• 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:
    Trunk vibrator claw stopper to reduce the damage by debarking the trees. The plug (3) comprises a hollow rubber casing, constructed of rubber reinforced with cables or polyester fibers, polyamides or steel, and totally or partially filled with a filler material (7.1) of plastic origin with high mechanical strength properties and thermal, such as a pehd, pa6, pa66 or peek, with granular shape, cylinders or lenticular, with a grain size equivalent to between 1 and 5 mm and optionally carry molybdenum disulfide, fiberglass, graphite or ptfe and can also be included mechanisms of heat evacuation as natural or forced ventilation. In addition you can count on a support skirt (4) and a contact skirt (5) that cover the heel (3). This block design allows easy deformation, achieving a large contact surface and adaptation to trunk irregularities and decreasing contact tensions. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2564429A1
    申请号:ES201531823
    申请日:2015-12-17
    公开日:2016-03-22
    发明作者:Rafael Rubén SOLA GUIRADO；Gregorio L. BLANCO ROLDÁN；Sergio CASTRO GARCÍA；Francisco JIMÉNEZ JIMÉNEZ；Jesús A. GIL RIBES；Miguel MORENO AGUILAR
    申请人:Universidad de Cordoba；
    IPC主号:
    专利说明:

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    The filling material, during the vibration process, is subjected to alternating pressures and great efforts, which would cause heating and possible melting of said material, deteriorating the functioning of the block. From the point of view of the material, a filling material must be chosen that has a viable cost, has properties of mechanical resistance and high temperature, seeking an optimal compromise between the cost of the material and its strength and durability. At this point the PE or the PEHD, are cheaper, but less resistant, being, increasing the resistance and price if the P6 or P66 is used, or, in the same sense the PEEK. In addition, the durability of the filler material can be increased by decreasing its internal friction through the addition of a solid lubricant. There are suitable solid lubricants on the market such as graphite, fiberglass, PTFE or molybdenum disulfide. All of them would facilitate the deformation in the grip and decrease the friction in the transmission of the vibration, decreasing the heating. They also have the effect of favoring the redistribution of the grains inside the block when it is not vibrating, thus favoring the distribution of heat therein in the periods between successive gripping and vibrating cycles.
    Alternate block deformation cycles require the entry and exit of outside air to complete the volume of the block. The internal ventilation of the block can be favored with the recovery of the shape of the block after the grip / vibration process. If the housing of the block, after being deformed in the grip / vibration process, not being pressed, is able to recover its original shape and volume would allow the entry of outside air to atmospheric pressure, which would then be expelled in the next cycle of grip / vibration, when the block is deformed by the force of the tightening. In this way, the air inlet and outlet in each cycle would constitute a first natural air ventilation system, which may be sufficient with a filling material of sufficient consistency. The cross-linking of a part of the fibers or threads of the block housing, bonded and continuous and joined with the rubber caps, which would throw with the elastic properties of the rubber that the
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    However, this technique is not enough, given the stiffness of the skirt materials, usually of rubber conveyor belt, so that the only upper fastener is already sufficient to limit deformation and that stresses are transmitted.
    This additional technique, which is based on the novel combination of materials object of this patent, consists in unifying the different sheets or skirts of lubrication and wear, in a piece that would wrap the pieces as a bag, this piece being only held by said bag and articulated with the gripper. The material of the bag, which acts as a skirt, would be a fine textile fabric (no more than 1 mm) of one or several layers, it is flexible, isolating the transverse displacements of the arm of the clamp, which would not be transmitted to the skirt, not affecting the stiffness of the inner piece. The effect of flexibility in the grip of the sheets, can be improved if the coupling of the skirt assembly, we do it with a narrower but sufficient slings to guarantee the fastening to the screws, so that when there is less material we increase our own flexibility of said material, thus reducing the risk of transmission of tangential efforts. The fastening strips or slings, could be of the same material and same piece as the sheets of the skirt, or be straps or slings of a material designed specifically for that purpose and firmly attached to the sheets.
    Therefore, thanks to the proposed block, it is possible to transmit the vibrant energy with higher frequencies and lower amplitudes than the gripping materials based on the traditional rubber block, and therefore with low clamping pressures.
    On the other hand and in a complementary way thanks to the materials used in the skirts the transmission of efforts is reduced
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    tangential to the trunk of the tree, which are not effective for the demolition of the fruit and cause damage to the bark
    Unless otherwise indicated, all technical and scientific elements used herein have the meaning normally understood by the person skilled in the art to which this invention pertains. In the practice of the present invention procedures and materials similar or equivalent to those described herein can be used.
    Throughout the description and the claims the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and features of the invention will be derived partly from the description and partly from the practice of the invention. EXPLANATION OF THE FIGURES
    To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical implementation thereof, a set of drawings is attached as an integral part of said description. where, for illustrative and non-limiting purposes, the following has been represented.
    Figure 1 shows a configuration of a log vibrator with grip material and skirts.
    Figure 2 shows a detail of the skirts that cover the plug of the vibrating clamps.
    Figure 3 shows a side view of the grip block, along with a detail of the interior.
    Figure 4 shows a perspective view of the grip block.
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    thickness, as both configurations retain the properties of the plastic block described in this invention.
    On the fastening fault (4) and as a contact skirt (5) a set of 2 sheet materials would be available, which allow the lubrication of the contact with the grip skirt (4) avoiding the transmission of tangential forces. Thus, a first layer would be of a natural felt of virgin wool, of greater durability than the synthetic one, of 10 mm for the block of plastic consistency object of the invention, or of the thickness originally recommended by the manufacturer of the vibrator for conventional block. To this would be added a second layer between 0.5 and 2 mm thick or polyamide or glass fiber fabric impregnated with PTFE, fiberglass, graphite or other solid lubricant, which would act as a solid lubricant between the anterior or posterior layers as a mechanical fuse that allows relative movement between the block and the bark of the tree.
    In a possible preferred embodiment that reduces the risk of debarking and increases durability, they would be on a conventional market rubber block where the fastening (4) and contact skirts (5) would be constructed with a conveyor belt recommended by the manufacturer for said vibrator model, to which an intermediate layer of solid lubricant would be added, which could be a 1 mm thick solid PTFE plate and an outer layer of PTFE impregnated polyamide, which would increase the lubrication in the contact and the durability due to its resistance to abrasion, from the set of contact skirts (5).
    In another possible embodiment, in which the block described above was used, the clamping skirt (4) would be a 90 Shore A hardness 90 Shore A polyurethane sheet, for better preserving the plastic properties of the block and as contact skirt (5) 7 mm thick conveyor belt, due to its resistance to abrasion and temperature (greater durability), while a layer similar to the previous case would be used
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    权利要求:
    Claims (1)
    [1]
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    类似技术:
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    同族专利:
    公开号 | 公开日
    ES2564429B1|2016-09-20|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3318629A|1965-04-09|1967-05-09|Jr Richard W Brandt|Tree-clamping jaws with deformable pads containing granular material|
    US4521468A|1984-01-19|1985-06-04|Orchard Machinery Corporation|Deformable pad for tree clamping jaws|
    US5406780A|1993-12-09|1995-04-18|Eitan Zahavi|Compliant engagement member for use with tree-shaking apparatus|
    US5385006A|1993-12-17|1995-01-31|Compton; Ira|Slip member for the head of a tree shaking harvester|
    US5467588A|1995-01-23|1995-11-21|Compton; Ira|Fluid filled shaker pad for a tree shaking harvester|
    US5653097A|1995-11-28|1997-08-05|Orchard-Rite Ltd., Inc.|Tree shaker pad|
    ES2255870A1|2004-12-30|2006-07-01|Angel Corbera Alarcon|Protective apron for shaft vibrator used on olive or almond trees, is molded of virgin rubber of variable thickness or other dimensions and interposed with stiffening and independent threads|CN106664969A|2016-11-30|2017-05-17|重庆维得鲜农业发展有限公司|Red date picking device|
    CN108781749A|2018-05-28|2018-11-13|仁怀市龙井葫芦种植专业合作社|A kind of collecting method of plum|
    CN109362354A|2018-11-15|2019-02-22|长沙宁湖机械设备有限公司|A kind of walnut picking vehicle|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201531823A|ES2564429B1|2015-12-17|2015-12-17|Trunk vibrator clamp pad to reduce damage from barking trees|ES201531823A| ES2564429B1|2015-12-17|2015-12-17|Trunk vibrator clamp pad to reduce damage from barking trees|
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