• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A tensioning type locking anchor rod comprises an anchor rod assembly, a tensioning assembly and an anchor head assembly. The tensioning assembly comprises a sleeve, supporting tensioning rods, a positioning sleeve and an 5 adjusting nut. The sleeve is movably mounted on a left portion of an anchor rod body left and right in a sleeving manner, the left end of each supporting tensioning rod is rotatably mounted on the sleeve, and a bandage gathers together and tightens the right ends of the plurality of circumferentially and uniformly arranged supporting tensioning rods; the adjusting nut is mounted on the anchor rod body in 10 a threaded manner; the positioning sleeve is slidably mounted on the anchor rod body in a sleeving manner, and when the sleeve and the positioning sleeve move relatively, the positioning sleeve tensions the plurality of supporting tensioning rods and makes one ends of the supporting tensioning rods be in contact with an inner wall of a drilled hole; the anchor head assembly comprises a fixing head and a 15 second spring, and the left end of the anchor rod body moves left and right and is arranged in a blind cavity in the right end of the fixing head in a limited manner; and when the second spring is compressed, one end of the second spring is in contact with the fixing head while the other end of the second spring is in contact with the sleeve. The tensioning type locking anchor rod is simple in structure. The anchor 20 rod rolls out to be self-locked in the drilled hole effectively, so that the anchoring force is enhanced. The tensioning type locking anchor rod is more steady and reliable.
    公开号:NL2028150A
    申请号:NL2028150
    申请日:2021-05-05
    公开日:2021-07-30
    发明作者:Zhu Siyu；Chen Cheng；Yu Yang；Chen Dingchao；Zhang Haiyan；Lu Jianfei；Pan Yuxin；Zhao Xiangqian
    申请人:Univ Xuzhou Technology；
    IPC主号:
    专利说明:

    TENSIONING TYPE LOCKING ANCHOR ROD Technical Field The present invention relates to the technical field of anchoring, in particular to a tensioning type locking anchor rod. Background The anchor rod as an important composition for a modern supporting theory has been widely applied to supporting engineering of rocks, foundation pits and side slopes. Along with continuous development and utilization of underground spaces in China and increase of underground work amounts, the project itself puts forward a higher demand on the supporting technology, for example, a high quality anchor rod, a more firm anchor rod supporting technology, a more efficient anchor rod construction process and the like.
    Conventional anchor rods are insufficient in locking and fixing abilities in drilled holes and wedge blocks are added structurally on some anchor rods to ensure the frictional forces between the anchor rods and surrounding rocks, so that the anchoring forces are improved. However, the locking anchor rods with the wedge blocks cannot be in contact with hole walls continuously as external pull forces of external screws are locked, and foundational self-locking formed by the frictional forces between the wedge blocks with fastened screws and the inner walls of the holes are not steady, so that the support is not reliable.
    Summary The present invention provides a tensioning type locking anchor rod which is simple in structure. The anchor rod rolls out to be self-locked in the drilled hole effectively, so that the anchoring force is enhanced. The tensioning type locking anchor rod is more steady and reliable.
    In order to achieve the purpose, a tensioning type locking anchor rod includes an anchor rod assembly; the anchor rod assembly includes an anchor rod body, an anchor bearing plate and a locking nut, the anchor bearing plate being movably arranged on the right side of the anchor rod body leit and right and mounted on a fastening nut on the anchor rod body in a threaded manner to be fastened and fixed;
    The tensioning type locking anchor rod further includes a tensioning assembly and an anchor head assembly; the tensioning assembly comprises a sleeve, supporting tensioning rods, a positioning sleeve and an adjusting nut; the sleeve is movably mounted on a left portion of an anchor rod body left and right in a sleeving manner, the plurality of supporting tensioning rods are circumferentially and uniformly arranged, the left end of each supporting tensioning rod is rotatably mounted on the sleeve, and a bandage gathers together and tightens the right ends of the plurality of supporting tensioning rods; the adjusting nut is located on the right side of the sleeve and is mounted on the anchor rod body in a threaded manner; the positioning sleeve is slidably mounted on the anchor rod body in a sleeving manner and is located between the sleeve and the adjusting nut, and the positioning sleeve is of a circular truncated cone structure which is narrow on the left portion and wide on the right portion, and when the sleeve and the positioning sleeve move relatively, the positioning sleeve tensions the plurality of supporting tensioning rods and makes one ends of the supporting tensioning rods be in contact with an inner wall of a drilled hole; the anchor head assembly is arranged at the left end of the anchor rod body and comprises a fixing head and a second spring, a blind cavity is formed in the right end of the fixing head, and the left end of the anchor rod body moves left and right and is arranged in the blind cavity in a limited manner; and a second spring is mounted on the anchor rod body in a sleeving manner, and when the second spring is compressed, one end of the second spring is in contact with the fixing head while the other end of the second spring is in contact with the sleeve.
    Further, a positioning hole is formed in the right end of a strip-type groove, a third spring is arranged in the positioning hole, and when the supporting tensioning rods are tightened and fixed by the bandage, the third spring is in a compressed state, and one end of the third spring is in contact with the supporting tensioning rods while the other end of the third spring is in contact with a positioning hole.
    Further, the right sides of the supporting tensioning rods are bended toward the inner wall of the drilled hole, and when the supporting tensioning rods roll out, the bended portions of the supporting tensioning rods are parallel to the inner wall of the drilled hole.
    Further, a plurality of barbs are arranged on the right portion of each supporting tensioning rod, the barbs are of right-angled or obtuse-angled triangle structures, and an acute angle of the triangle is located on the left side.
    Further, the strip-type groove formed along the axial direction is formed in the sleeve, the strip-type groove is wider than the supporting tensioning rods, and when the supporting tensioning rods are tightened and fixed by the bandage, the left sides of the supporting tensioning rods are located in the strip-type groove.
    Further, the anchor head assembly further includes a first spring located in the blind cavity, and when the first spring is compressed, one end of the first spring is in contact with a bottom wall of the blind cavity while the other end of the first spring is in contact with an end of the anchor rod body.
    Further, an elastic bag is arranged at the left end of the fixing head, a liquid type filling agent is arranged in the elastic bag, and when the fixing head extrudes the bottom of the drilled hole, the elastic bag is broken.
    Further, slotted holes formed left and right and communicating to the blind cavity are formed in the fixing head, a positioning pin is mounted on the anchor rod body in a threaded manner and the positioning pin slides in the slotted holes.
    Further, an included angle between a generatrix and a rotating shaft on the positioning sleeve is 15-45 degrees.
    Compared with the prior art, as the tensioning type locking anchor rod is provided with the anchor head assembly and the tensioning assembly, the anchor rod body is placed in the drilled hole and is knocked on to move toward the bottom of the drilled hole, the left end of the anchor rod body moves leftward in the blind cavity to compress the second spring, such that limited by the adjusting nut, the sleeve and the positioning sleeve extrude oppositely to move, the left end of the positioning sleeve is embedded among the plurality of supporting tensioning rods which are gathered together, such that the bandage winding the plurality of supporting tensioning rods is broken, and the left end of each supporting tensioning rod rotates on the sleeve and the right end thereof is in contact with the inner wall of the drilled hole, so that the plurality of supporting tensioning rods roll out to tension and self-lock the inner wall of the drilled hole and the anchoring force is improved. Moreover, the plurality of supporting tensioning rods are circumferentially and uniformly arranged, so that it is more stable and reliable to roll out; as the adjusting nut is mounted on the anchor rod body in a threaded manner, the adjusting nut is rotated, such that the adjusting nut moves left and right on the anchor rod body, and therefore, the position of the tensioning assembly can be adjusted for fitting different tensioning environments. As the barbs are arranged on the supporting tensioning rods, the barbs are in contact with inner wall of the drilled hole, so that the locking force thereof is improved effectively, and the anchor rod body is prevented from being separated from the drilled hole; as the anchor head assembly further includes the first spring located in the blind cavity, the action force to the sleeve is larger by means of joint action of the first spring and the second spring, and under a circumstance that the supporting tensioning rods rolled out by the positioning sleeve are not affected, the anchor rod head is prevented from being damaged when the anchor rod body is knocked on to impact leftward. The tensioning type locking anchor rod is simple in structure. The anchor rod rolls out to be self-locked in the drilled hole effectively, so that the anchoring force is enhanced. The tensioning type locking anchor rod is more steady and reliable.
    Brief Description of the Drawings Fig. 1 is a main view of the present invention in an integral initial state; Fig. 2 is a main view of the present invention in an integral tensioned state; Fig. 3 is a main view of another scheme of the supporting tensioning rods of the present invention in an integral tensioned state; Fig. 4 is a structural schematic diagram of the sleeve of the present invention; In the drawings, 11, anchor rod body, 12, anchor bearing plate, 13, fastening nut, 14, fixing head, 22, blind cavity, 23, first spring, 24, second spring, 31, supporting tensioning rod, 32, barb, 33, positioning sleeve, 34, adjusting nut, 4, bandage, 5, sleeve, 51 strip-type groove, 52, lug. Detailed Description Further description of the present invention will be made below in combination with drawings.
    As shown in the Fig. 1 and Fig. 2, the tensioning type locking anchor rod includes an anchor rod assembly, a tensioning assembly and an anchor head assembly; The anchor rod assembly includes an anchor rod body 11, an anchor bearing plate 12 and a locking nut, the anchor bearing plate 12 being movably arranged on the right side of the anchor rod body left and right and are fastened and fixed by a fastening nut 13 mounted on the anchor rod body in a threaded manner; the tensioning assembly is located on the right side of the anchor head and includes a sleeve 5, a plurality of supporting tensioning rods 31, a positioning 5 sleeve 33 and an adjusting nut 34; the sleeve 5 is movably mounted on a left portion of an anchor rod body 11 left and right in a sleeving manner, the plurality of supporting tensioning rods 31 are circumferentially and uniformly arranged, the left end of each supporting tensioning rod 31 is rotatably mounted on the sleeve 5, and a bandage 4 gathers together and tightens the right ends of the plurality of supporting tensioning rods 31; the adjusting nut 34 is located on the right side of the sleeve 5 and is mounted on the anchor rod body 11 in a threaded manner; the positioning sleeve 33 is slidably mounted on the anchor rod body 11 in a sleeving manner and is located between the sleeve 5 and the adjusting nut 34, and the positioning sleeve 5 is of a circular truncated cone structure which is narrow on the left portion and wide on the right portion, and when the sleeve 5 and the positioning sleeve 33 move relatively, the positioning sleeve 33 tensions the plurality of supporting tensioning rods 31 and makes one ends of the supporting tensioning rods 31 be in contact with an inner wall of a drilled hole; the anchor head assembly is arranged at the left end of the anchor rod body 11 and includes a fixing head 21 and a second spring 24, a blind cavity 22 is formed in the right end of the fixing head 21, and the left end of the anchor rod body 11 moves left and right and is arranged in the blind cavity 22 in a limited manner; and the second spring 24 is mounted on the anchor rod body 11 in a sleeving manner, and when the second spring 24 is compressed, one end of the second spring 24 is in contact with the fixing head 21 while the other end of the second spring 24 is in contact with the sleeve 5.
    Further, a positioning hole is formed in the right end of a strip-type groove 51, a third spring is arranged in the positioning hole, and when the supporting tensioning rods 31 are tightened and fixed by the bandage 4, the third spring is in a compressed state, and one end of the third spring is in contact with the supporting tensioning rods 31 while the other end of the third spring is in contact with a positioning hole.
    In the initial state, the supporting tensioning rods 31 are fastened and fixed in a gathered state by the bandage 4, the third spring has an elastic action force to the supporting tensioning rods 31, and when the supporting tensioning rods 31 are in contact with the positioning sleeve 33 and roll out the bandage 4, the supporting tensioning rods 31 can be opened quickly by means of the third spring and the supporting tensioning rods 31 further have an initial action force to the inner hole of the drilled hole, so that it is more fastener to lock;
    As shown in the Fig. 3, further, the right sides of the supporting tensioning rods 31 are bended toward the inner wall of the drilled hole, and when the supporting tensioning rods 31 roll out, the bended portions of the supporting tensioning rods are parallel to the inner wall of the drilled hole ;
    Further, a plurality of barbs 32 are arranged on the right portion of each supporting tensioning rod 31, the barbs 32 are of right-angled or obtuse-angled triangle structures, and an acute angle of the triangle is located on the left side ;
    As shown in the Fig. 4, further, the strip-type groove 51 formed along the axial direction is formed in the sleeve 5, the strip-type groove 51 is wider than the supporting tensioning rods 31, and when the supporting tensioning rods 31 are tightened and fixed by the bandage 4, the left sides of the supporting tensioning rods 31 are located in the strip-lype groove; and in addition, one ends of the supporting tensioning rods 31 are rotatably arranged on the sleeve 5 through the lug 52;
    Further, the anchor head assembly further includes a first spring 23 located in the blind cavity 22, and when the first spring 23 is compressed, one end of the first spring is in contact with a bottom wall of the blind cavity 22 while the other end of the first spring is in contact with an end of the anchor rod body 11;
    Further, an elastic bag is arranged at the left end of the fixing head 21, a liquid type filling agent is arranged in the elastic bag, and when the fixing head 21 extrudes the bottom of the drilled hole, the elastic bag is broken;
    In addition, the left end of the fixing head 21 can be also arranged of a cone structure.
    As the bottom of the drilled hole is often of the cone shape due to the drill bit structure, better contact with the bottom of the drill bit is conducted by means of the cone structure of the fixing head 21;
    Further, slotted holes formed left and right and communicating to the blind cavity 22 are formed in the fixing head 21, a positioning pin is mounted on the anchor rod body 11 in a threaded manner and the positioning pin slides in the slotted holes. Therefore, the anchor rod body 11 can move left and right in the blind cavity 22 and slides in the slotted holes to limit through the positioning pin; Further, an included angle between a generatrix and a rotating shaft on the positioning sleeve 33 is 15-45 degrees. When the tensioning type locking anchor rod is used, the drilled hole with proper depth and diameter is drilled according to the length of the anchor rod body
    11. The whole device is placed in the drilled hole, the anchor bearing plate 12 and the locking nut 13 are located outside a rock for locking and fixing the anchor rod, and when the anchor rod body 11 is located in a proper position, the anchor rod body 11 moves toward the bottom of the drilled hole, such that the anchor head assembly is in contact with the bottom of the drilled hole to drive the tensioning assembly to open, and therefore, the supporting tensioning rods 31 roll out to be in contact with the inner hole of the drilled hole to be locked and fixed; In particular, the adjusting nut 34 is rotated first according to a using condition, so that the adjusting nut moves left and right on the anchor rod body 11, and the position of the tensioning assembly on the anchor rod body 11 is adjusted, and is limited by the adjusting nut 34; the device is integrally placed in the drilled hole, and the anchor head assembly is located at the bottom of the drilled hole; when it is needed to lock and fix the inner wall of the drilled hole, the anchor rod body 11 moves toward the bottom of the drilled hole, for example, the left end of the anchor rod body 11 moves leftward in the blind cavity 22 by knocking the anchor rod body 11 on the outer side of the drilled hole to compress the second spring 24; as the sleeve 5 and the positioning sleeve 33 are slidably mounted on the anchor rod body 11 in a sleeving manner, an elastic force drives the sleeve 5 and the positioning sleeve 33 to move rightward; and the impact force generated by knocking the anchor rod body 11 makes the adjusting nut 34 move the positioning sleeve 33 leftward and limit the same, the left end of the positioning sleeve 33 is embedded among the plurality of supporting tensioning rods 31 which are gathered together, the bandage 4 is broken, the other ends of the supporting tensioning rods 31 roll out to be in contact with the inner wall of the drilled hole to tension the inner wall of the drilled hole. In one scheme, filler for solidification is poured into the drilled hole directly. On the other hand, the fastening nut 13 can be further rotated to drive the anchor rod body 11 to move rightward and the second spring 24 compresses the sleeve 5 to generate the action force, such that the ends of the supporting tensioning rods 31 are better embedded into the drilled hole to be locked and finally, the supporting tensioning rods are in contact with the sleeve 5 through the fixing head 21 to limit on the left side.
    When the anchor rod body 11 is locked and fixed in the drilled hole, the anchor bearing plate 12 can be also opened to pour the filler;
    As the barbs 32 are arranged on the supporting tensioning rods 31, the barbs 32 are in contact with inner wall of the drilled hole, so that the locking force thereof is improved effectively, and the anchor rod body 11 is prevented from being separated from the drilled hole; as the anchor head assembly further includes the first spring 23 located in the blind cavity 22, the action force to the sleeve 5 is larger by means of joint action of the first spring 23 and the second spring 24, and under a circumstance that the supporting tensioning rods 31 rolled out by the positioning sleeve 33 are not affected, the anchor rod head is prevented from being damaged when the anchor rod body 11 is knocked on to impact leftward.
    权利要求:
    Claims (9)
    [1]
    A tensioning type locking anchor rod comprising an anchor rod assembly comprising an anchor rod body, an anchor carrier plate and a locking nut, wherein the anchor carrier plate is movably arranged on the right side of the anchor rod body which is fixedly fixed on the left and right by a threaded fastening nut on the anchor rod body, the tensioning type locking anchor rod being characterized by : further comprising a tensioning assembly and an anchor main assembly; the tensioning assembly includes a casing, a plurality of tensioning and bearing bars, a positioning casing and an adjustable nut; the casing is movably mounted on a left portion of an anchor rod body which functions as a sleeve on the left and right, the plurality of load-bearing and tensioning rods are uniformly arranged in a circular shape, the left end of each bearing and tensioning rod is rotatably mounted on the casing, and a wrap holds the right ends of the plurality of load-bearing and tensioning bars tightly together; the adjustable nut is present on the right side of the casing and is mounted on the anchor rod body by threads, the positioning casing is slidably mounted on the anchor rod body in a sleeve-like manner, and is present between the casing and the adjustable nut, and the positioning casing has a circular truncated cone structure which is narrow at the left part and wide at the right part, and when the casing and the positioning casing move among themselves, the positioning casing tightens the plurality of load-bearing and tensioning bars and contacts one end of the bearing and tensioning bars with an inner wall of a drilled cavity; the anchor main assembly is arranged at the left end of the anchor rod body and includes a fixation head and a second spring, a blind recess is formed in the right end of the fixation head, and the left end of the anchor rod body moves left and right and is arranged in the blind recess on a restrictive way; and a second spring is mounted on the anchor rod body in a sleeve-like manner, and when the second spring is compressed, one end of the second spring is in contact with the fixation head while the outer end of the second spring is in contact with the shell.
    [2]
    The tension-type locking anchor rod according to claim 1, characterized in that a positioning cavity is formed in the right end of a strip-shaped groove, a third spring is arranged in the positioning cavity, and when the bearing and tensioning rods are tightly fixed by the wrapping , the third spring is in a compressed state, and one end of the third spring is in contact with the bearing and tension rods while the other end of the third spring is in contact with a positioning cavity.
    [3]
    The tension-type locking anchor rod according to claim 1, characterized in that the right sides of the load-bearing and tension rods are bent towards the inner wall of the drilled cavity, and when the load-bearing and tension rods uncoil, the bent parts of the load-bearing and tension rods are uncoiled. tightening rods parallel to the inner wall of the drilled cavity.
    [4]
    The tensioning type locking anchor rod according to claim 3, characterized in that a plurality of barbs are arranged on a right part of each bearing and tensioning rod, said barbs being rectangular structures or triangular structures having an obtuse angle and an acute angle on the left side. .
    [5]
    The tension-type locking anchor rod according to any one of claims 1 to 4, characterized in that the strip-shaped groove formed along the axis direction and is formed in the casing, the strip-shaped groove is wider than the bearing and tensioning rods, and when the load-bearing and tensioning bars are tightly fixed by the wrapping, the left sides of the load-bearing and tensioning bars are present in the strip-shaped groove.
    [6]
    Tension type locking anchor rod according to any one of claims 1-4, characterized in that the anchor main assembly further comprises a first spring disposed in the blind recess, and when the first spring is compressed, one end of the first spring is in contact with a bottom wall of the blind recess while the other end of the first spring is in contact with one end of the anchor rod body.
    [7]
    The tightening type locking anchor rod according to claim 5, characterized in that an elastic pocket is arranged at the left end of the fixation head, a filling liquid means is contained in the elastic bag, and when the fixation head protrudes from the bottom of the drilled cavity , the elastic bag is broken.
    [8]
    Tension type locking anchor rod according to claim 7, characterized in that the recessed cavities formed on the left and right and communicating with the blind recesses are formed in the fixation socket, a positioning pin is mounted on the anchor rod body by screw thread , and the positioning pin is slidable in the recessed cavities.
    [9]
    Tension type locking anchor rod according to claim 6, characterized in that an included angle between a generator and a rotating spindle on the positioning casing is 15 to 45 degrees.
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    同族专利:
    公开号 | 公开日
    CN215213549U|2021-12-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4160613A|1978-06-23|1979-07-10|Tad Stanwick|Pile anchor for moorings|
    WO2003010391A1|2001-07-23|2003-02-06|Karda Jozef|Ground anchor with driving and opening device|
    KR100919277B1|2008-11-11|2009-09-30|박시우|Fixing means using the nail anchor and method thereof|
    WO2011020144A1|2009-08-19|2011-02-24|Peter Gray|Rock bolt anchor and nut|
    WO2012134263A1|2011-03-25|2012-10-04|Wai Ming Ang|Earth anchor|
    WO2014127680A1|2013-02-19|2014-08-28|Pei Chunguang|Scissor-type expansion bolt and use thereof|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN202120606325.XU|CN215213549U|2021-03-25|2021-03-25|Tension type locking anchor rod|
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