• 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:
    Maneuvering device for railway deviations with moving point heart, comprising two rollers (4a) fixed on both sides of the core of a moving tip (3b) of a moving tip heart (3) by means of forks (4b) in such a way that said rollers (4a) roll on cams (2b) fixed on both sides of a seat plate (2) performing a rolling movement and lifting of the moving tip (3b) when the rollers (4a) are in contact with said cams ( 2b). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2617562A1
    申请号:ES201730321
    申请日:2017-03-10
    公开日:2017-06-19
    发明作者:Juan Carlos SANCHEZ JORRIN
    申请人:JEZ Sistemas Ferroviarios SL；
    IPC主号:
    专利说明:

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    they are made of wear-resistant steel, and the cam path profile is designed with two more depressed areas at its ends or recesses (2B2) such that when the movable tip (3B) is at rest in its position coupled to the element fixed from the heart (3A) on either side of it, the rollers (4A) do not come into contact with the corresponding cam path (2B). In this way, neither the rollers (4A) nor the cam tracks (2B) are affected by the vertical and horizontal dynamic loads caused by the passage of the trains. However, when the tip starts its maneuver, the cam paths (2B) have vertical protuberances in their central area (2B1) that cause the rollers (4A) to come into contact with the moving tip (3B) in solidarity. an upward vertical movement of the movable tip (3B). Thus, and throughout the entire lateral maneuver, the movable tip (3B) does not come into contact with the slides of the fixed element of the heart (3A), eliminating friction throughout most of the stroke of the movable tip (3B) and therefore, considerably reducing maneuvering efforts, when rolling friction is replaced. The transition between the two depressed areas of the ends or recesses (2B2) and the central protuberance (2B1) is carried out by means of soft ramps, so as not to increase the maneuvering forces necessary to operate the mobile heart (3) equipped with the device of help to the maneuver.
    By means of cam paths (2B) with different lengths of protuberance (2B1) and recesses (2B2) it is possible to adapt the device object of the present patent to the different movements or stroke of the moving tip (3A) depending on the design of the heart or from the area where the mobile heart where the device is installed.
    In order to be able to regulate the height of elevation of the tip, the rollers (4A) have eccentric shafts (4A1) that allow to regulate the height of the rollers (4A) with respect to their respective cam paths (2B). Using the retention plates (4G) it is possible to block the eccentricity position of the shafts (4A1) at a certain height adjustment value. The eccentric shafts (4A1) are made of wear-resistant hard steel, and the rollers (4A) have friction bearings (4G2) of permanent lubrication, protected by rubber seals (4G1) and plastic protection plates (4H) , in order to prevent the entry of dirt, moisture and foreign elements in the bearings (4G2) ensuring a maintenance-free life.
    The compact design of the cam tracks (2B) and its fixation to the saddles (2A) prevent
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    need to be removable with respect to the base plate (2) seat. This greatly facilitates the installation and disassembly of the base plate (2), by simply disassembling the cam paths (2B) of the saddles (2A) and loosening and removing the elastic stirrups (2C) from their housings. Loosening and removing the anchor bolts (2D) and adjusting bushings (2E), the base plate (2) is released. By sliding it in the direction of the movable tip (3B) until it is outside the contour of the crossbar, the base plate (2) can be removed below the fixed part (3A) of the movable heart.
    The mounting of the motherboard (2) follows an inverse sequence to that described.
    This is a great advantage with respect to Spanish Patent No. ES 2 365 142 B1, in which, in order to remove the base plate, the rollers and the false elements of the saddle must be disassembled, their assembly being also more complex.
    In the case of the first embodiment of the invention, the fixed element (3A) preferably made in molten monobloc execution, has two torn holes (3C) through which the forks (4B) carrying the rollers (4A) pass . The size of said holes is such that the forks (4B) have sufficient clearance for free movement during the elevation of the tip (3B) in the vertical direction, and its thermal expansion and contraction in the horizontal direction. This avoids having to use sliding joints between the forks (4A) and the core of the movable tip (3B), which could reduce rigidity and robustness to the assembly, requiring maintenance and adjustment work throughout its life in service. Likewise, the width of the cam paths (2B) is such that when the tip is dilated or contracted, the contour of the rollers (4A) seen from above is always included in the contour of the cam paths (2B), in such a way that there is never a lack of overlap between both elements that could render the function of the device object of the present invention unusable.
    Therefore, the forks (4B) have a fixed and rigid fixing system to the soul of the moving tip (3B) such that they are aligned with each other and are substantially perpendicular to the bisector of the moving tip (3B).
    The fixing of the forks (4B) consists of two flanges (4C) screwed to the core of the movable tip (3B), a through shaft (4D) and fixing screws (4E, 4F). The thru-axle (4D) is fitted with a fine adjustment in the cuts (4C1) of the flanges (4C). When entering
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    权利要求:
    Claims (1)
    [1]
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    同族专利:
    公开号 | 公开日
    ES2617562B2|2018-04-12|
    FR3063749A1|2018-09-14|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE120412C|
    FR729737A|1932-01-13|1932-07-30|Device to lighten the maneuvering of railway points|
    EP0652996A1|1992-07-22|1995-05-17|BWG Butzbacher Weichenbau GmbH|Roller device|
    FR2847916A1|2002-12-03|2004-06-04|Cogifer|Non-lubricated crossing points for railway track includes device that favours transverse displacement of movable point without lubrication of corresponding surfaces of point and cradle plates|
    ES2265237A1|2004-09-08|2007-02-01|Felguera Melt, S.A.|Device for reducing efforts in maneuvering movable end of railway crossing, has bar or yoke to firmly hold and displace movable end to connection or disconnection position with respect to crossing|
    ES2365142A1|2011-06-01|2011-09-23|Felguera Melt, S.A.|System for the reduction of maneuver efforts in the railway crossings of punta m¿vil. |
    EP2708646A2|2012-09-12|2014-03-19|Schwihag Ag|Frog roller apparatus|
    ES2495090A1|2013-03-15|2014-09-16|Talleres Alegría S.A.|Retention device for mobile elements in railway equipment |CN111335080A|2020-05-21|2020-06-26|中铁工程设计咨询集团有限公司|Long and short point rail dislocation device of movable point rail frog|
    法律状态:
    2018-04-12| FG2A| Definitive protection|Ref document number: 2617562 Country of ref document: ES Kind code of ref document: B2 Effective date: 20180412 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201730321A|ES2617562B2|2017-03-10|2017-03-10|Maneuvering device for railway deviations with moving tip heart|ES201730321A| ES2617562B2|2017-03-10|2017-03-10|Maneuvering device for railway deviations with moving tip heart|
    FR1851614A| FR3063749A1|2017-03-10|2018-02-23|MANEUVER DEVICE FOR RAILWAY DEVIATIONS WITH MOBILE HEAD CORE|
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