Turnout pin dismounting device

Abstract

The utility model discloses a turnout pin dismounting device which comprises a base, a driving mechanism, a transmission mechanism, a connecting rod and a clamp, wherein the driving mechanism and the transmission mechanism are respectively arranged on the base; the connecting rod is connected with the transmission mechanism; the clamp is arranged at one end, far away from the transmission mechanism, of the connecting rod; the driving mechanism is used for being driven by a driving tool to rotate, and the transmission mechanism is connected with the driving mechanism and used for converting the rotating motion of the driving mechanism into translational motion, so that the connecting rod is driven by the driving mechanism to translate in the direction close to or away from a turnout pin. And the clamp is used for clamping the turnout pin. The turnout pin dismounting device is low in requirement for operation space, high in applicability, beneficial to dismounting of turnout pins in narrow and small space, safe and reliable in force application direction of operators, simple and efficient in structure and convenient and fast to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway maintenance tool technical field, in particular, relate to a turnout pin dismounting device. BACKGROUND

[0002] As shown in the figure, since the turnout rail bottom operation space is narrow, the turnout pin 100 is difficult to remove after being installed in place, the role of the turnout pin 100 is to exert a pressure and press the shell on the rail limb of the basic rail 200, the conventional removal method is to use the head of the goat horn to hold the head of the turnout pin 100, then use the hammer to knock the end of the goat horn, and the goat horn drives the turnout pin 100 to move to remove it. Figure 1 However, as the slide bed plate approaches the point rail tail end, the turnout pin 100 will be blocked by the point rail limb, resulting in no space to put the goat horn, and the turnout pin 100 cannot be removed without dismounting the point rail, so that a large amount of time and energy is required to remove the turnout pin 100 each time, and even the best time for railway rescue operation is missed.

[0003] To this end, the utility model patent CN214560493U provides a turnout slide bed plate pin dismounting tool, which forms a clamping device by two profile steels, the clamping part of the clamping device is provided with a sharp mouth arc structure, which can clamp the pin in a narrow space and pull the pin out along the transverse direction, but the dismounting tool needs to be manually gripped and pulled backward to pull out the pin, which requires a certain space for movement beside the railway, has high requirements for the environment, and the force applying mode is easy to cause the operator to fall backward and be dangerous, so the safety is insufficient. UTILITY MODEL CONTENT

[0004] The utility model provides a turnout pin dismounting device to solve the technical problem that the existing turnout pin dismounting tool is difficult to use in a narrow space and has safety hazards.

[0005] According to one aspect of the utility model, a turnout pin dismounting device is provided, which comprises a base, a driving mechanism and a transmission mechanism respectively arranged on the base, and a connecting rod connected with the transmission mechanism and a clamp arranged at one end of the connecting rod away from the transmission mechanism.

[0006] The driving mechanism is used for driving the tool to rotate, the transmission mechanism is connected with the driving mechanism and is used for converting the rotary motion of the driving mechanism into translational motion, so as to drive the connecting rod to translate along the direction close to or away from the turnout pin under the driving of the driving mechanism, and the clamp is used for clamping the turnout pin.

[0007] Preferably, the driving mechanism comprises a support and a driving rod, and the transmission mechanism comprises a transmission rod and a linear limiting assembly.

[0008] The support is arranged on the base, the first end of the driving rod is hinged with the support and is used for rotating movement driven by a driving tool, the second end of the driving rod is hinged with the first end of the transmission rod, the second end of the transmission rod is hinged with the linear limiting assembly, the linear limiting assembly is connected with the connecting rod and is used for limiting the moving direction of the connecting rod to be a straight line direction, and the linear limiting assembly is used for driving the connecting rod to translate under the driving of the transmission rod.

[0009] Preferably, the linear limiting assembly comprises a gear, a first gear rack and a second gear rack which are arranged on opposite sides of the gear and are respectively engaged with the gear, the first gear rack is arranged on the base, the second gear rack is arranged on the connecting rod, and the second end of the transmission rod is connected with the gear.

[0010] Preferably, the linear limiting assembly further comprises a connecting arm, two gears are arranged on the length direction of the connecting rod at intervals, the two ends of the connecting arm are respectively hinged with the two gears and connect the two gears into a whole, and the second end of the transmission rod is hinged with the middle segment position of the connecting arm.

[0011] Preferably, the transmission rod is provided with two, and the two transmission rods are arranged on the axial two ends of the gear and are respectively hinged with the driving rod.

[0012] Preferably, the opposite sides of the first gear rack and / or the second gear rack are provided with limiting walls, the limiting walls are used for abutting against the axial end faces of the gear and axially limiting the gear.

[0013] Preferably, the turnout pin dismounting device further comprises a guide assembly arranged on the base, and the connecting rod is arranged in the guide assembly and is used for sliding along the guide assembly.

[0014] Preferably, the clamp comprises a first clamping jaw and a second clamping jaw, and the first clamping jaw and the second clamping jaw are both provided with connecting holes, the first clamping jaw is used for being sequentially arranged in the connecting holes on the first clamping jaw and the second clamping jaw through bolts and being locked and fixed relative to the second clamping jaw.

[0015] Preferably, the first clamping jaw is provided with a positioning groove, the second clamping jaw is provided with a positioning block embedded in the positioning groove, and the connecting holes are respectively arranged on the positioning groove and the positioning block.

[0016] Preferably, the clamp is detachably connected with the connecting rod.

[0017] The utility model has the following beneficial effects:

[0018] The utility model provides a switch pin dismantling device, through transmission mechanism, the rotation of driving mechanism is converted into the translation of connecting rod, makes driving mechanism when rotating movement can through connecting rod steady drive clamp movement to with switch pin translation take out, therefore operating personnel can adopt ratchet wrench or wind cannon pneumatic wrench and so on tool drive driving mechanism rotation, need not in the rear end of this switch pin dismantling device reserve activity space can realize the removal operation of switch pin, stronger applicability, and because the clamp is located in the one end of connecting rod far from transmission mechanism, make the four arounds of clamp have no shelter structure, convenient clamp flexible extension operation space clamping switch pin, be favorable to in narrow space removal switch pin, secondly, compared with manual force backward pulling mode, drive driving mechanism rotating movement, the force direction of operating personnel is more safe and reliable, effectively avoid the security risk of tool slippage and lead to personnel fall injury, simple and efficient structure, convenient and fast use.

[0019] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. Below, referring to the drawings, the utility model will be further detailed. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings that form a part of the present application are used to provide further understanding of the utility model, the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation to the utility model. In the drawings,

[0021] Figure 1 It is a kind of railway switch structure schematic diagram;

[0022] Figure 2 It is Figure 1 The structure schematic diagram of switch pin in railway switch shown in the figure;

[0023] Figure 3 It is the structure schematic diagram of switch pin dismantling device provided by the utility model embodiment;

[0024] Figure 4 It is Figure 3 The structure schematic diagram of clamp in switch pin dismantling device shown in the figure, wherein dotted line indicates the connecting hole inside clamp.

[0025] LEGEND:

[0026] 1, base; 2, drive mechanism; 21, support; 22, drive rod; 3, transmission mechanism; 31, transmission rod; 32, linear limiting assembly; 321, gear; 322, first rack; 323, second rack; 324, connecting arm; 4, connecting rod; 5, clamp; 51, first clamping jaw; 511, positioning groove; 52, second clamping jaw; 521, positioning block; 53, connecting hole; 6, guide assembly; 61, guide seat; 62, support frame; 100, switch pin; 200, basic rail. DETAILED DESCRIPTION

[0027] The embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in multiple different ways limited and covered by the following.

[0028] As Figure 1 And Figure 2 The switch pin dismounting device provided by the embodiments of the utility model is used for dismounting the switch pin 100 at the bottom of the basic rail 200, due to the limitation of the narrow operation space, the conventional dismounting tool is difficult to be clamped into the head of the switch pin 100, and the force applying mode in the dismounting process is easy to cause the operator to fall backward and appear dangerous, and the safety is insufficient.

[0029] As Figure 3 The switch pin dismounting device provided by the embodiments of the utility model includes a base 1, a drive mechanism 2, a transmission mechanism 3, a connecting rod 4 and a clamp 5, the drive mechanism 2 and the transmission mechanism 3 are respectively installed on the base 1, the first end of the connecting rod 4 is connected with the transmission mechanism 3, and the second end of the connecting rod 4 is connected with the clamp 5.

[0030] Specifically, the drive mechanism 2 is used for driving tool rotation, the transmission mechanism 3 is connected with the drive mechanism 2 and is used for converting the rotation of the drive mechanism 2 into translation, so that the connecting rod 4 is driven to translate along the direction close to or away from the switch pin 100 under the drive of the drive mechanism 2, and the clamp 5 is used for clamping the switch pin 100.

[0031] When the driving mechanism 2 rotates, the rotation motion of the driving mechanism 2 is converted into the translation motion of the connecting rod 4 through the transmission mechanism 3, so that the clamp 5 can be stably moved by the connecting rod 4 to translate and take out the turnout pin 100 when the driving mechanism 2 rotates. Therefore, the operator can use a ratchet wrench or a pneumatic wrench to drive the driving mechanism 2 to rotate, and the removal operation of the turnout pin 100 can be realized without reserving a moving space at the rear end of the turnout pin dismounting device, which is more suitable. Moreover, the clamp 5 is arranged at the end of the connecting rod 4 away from the transmission mechanism 3, so that there is no shielding structure around the clamp 5, the clamp 5 can be flexibly inserted into the operation space to clamp the turnout pin 100, and the turnout pin 100 can be removed in a small space. In addition, compared with the manual pulling backward mode, the driving mechanism 2 is driven to rotate, the force direction of the operator is safer and more reliable, the safety hazard of tool slipping and causing the operator to fall is effectively avoided, the structure is simple and efficient, and the use is convenient and fast.

[0032] Preferably, the driving mechanism 2 comprises a support 21 and a driving rod 22, and the transmission mechanism 3 comprises a transmission rod 31 and a linear limiting assembly 32. The support 21 is arranged on the base 1, the first end of the driving rod 22 is hinged to the support 21 and is used for driving tools to rotate, the second end of the driving rod 22 is hinged to the first end of the transmission rod 31, the second end of the transmission rod 31 is hinged to the linear limiting assembly 32, the linear limiting assembly 32 is connected with the connecting rod 4 and is used for limiting the movement direction of the connecting rod 4 to be a straight line, and the linear limiting assembly 32 is used to drive the connecting rod 4 to translate under the driving of the transmission rod 31. The driving rod 22 and the transmission rod 31 form a connecting rod mechanism, the driving rod 22 forms a rotating pair, the linear limiting assembly 32 forms a moving pair, the conversion between different motion forms can be realized, the structure is simple and efficient, the processing is convenient and the cost is low, the transmission precision is high, the wear resistance is good, and the service life is long.

[0033] Preferably, the linear limiting assembly 32 comprises a gear 321, a first rack 322 and a second rack 323 which are separately arranged on opposite sides of the gear 321 and are respectively engaged with the gear 321, the first rack 322 is arranged on the base 1, the second rack 323 is arranged on the connecting rod 4, and the second end of the transmission rod 31 is connected with the gear 321. The gear 321 is rolled along the first rack 322 under the driving of the transmission rod 31, so that the connecting rod 4 can be driven to translate by the second gear 323, and the driving effect of the gear 321 can be improved by clamping the gear 321 through cooperation of the first rack 322 and the second rack 323.

[0034] Preferably, the straight line limiting component 32 further comprises a connecting arm 324, two of the gears 321 are spaced along the length direction of the connecting rod 4, two ends of the connecting arm 324 are respectively hinged to the two gears 321 and connect the two gears 321 as a whole, and the second end of the transmission rod 31 is hinged to the middle segment of the connecting arm 324. By supporting and moving the second gear 323 together by the two gears 321, the second gear 323 can be kept in a horizontal state and translated, and the stability is better.

[0035] Preferably, the transmission rod 31 is provided with two, and the two transmission rods 31 are respectively hinged to the driving rod 22 and arranged at the axial two ends of the gear 321. By rolling the gear 321 along the first rack 322 together by the two transmission rods 31, the axial two ends of the gear 321 are uniformly stressed, the transmission of driving force is more stable and smooth, and the gear 321 is prevented from being stuck. At the same time, the axial two ends of the gear 321 can be limited and fixed by the two transmission rods 31, the axial positioning of the gear 321 is realized, and the gear 321 is prevented from being separated from the first rack 322 or the second rack 323.

[0036] Preferably, opposite sides of the first rack 322 and / or the second rack 323 are provided with limiting walls (not shown in the figure, the same below), and the limiting walls are used for abutting against the axial end faces of the gear 321 and axially limiting the gear 321. By clamping the gear 321 by the limiting walls, the cooperation of the gear 321 on the first rack 322 and / or the second rack 323 is more compact.

[0037] Further, the first end of the driving rod 22 is provided with a driving part, which can be specifically provided as an outer hexagon, an inner hexagon or other polygonal structure matched with a driving tool, so that the driving tool clamps the driving rod 22 and drives the driving rod 22 to rotate.

[0038] Further, the transmission mechanism 3 further comprises a protective cover covering the outer periphery of the straight line limiting component 32, so as to avoid foreign matters such as sand and dust from entering the meshing structure among the gear 321, the first rack 322 and the second rack 323.

[0039] It should be understood that in the present embodiment, the straight line limiting assembly 32 realizes straight line transmission action through the cooperation of the gear 321, the first rack 322 and the second rack 323, which is simple and efficient in structure and can stably support the connecting rod 4 and drive the connecting rod 4 to translate. In other embodiments, the straight line limiting assembly 32 can also be composed of a guide rail and a sliding block, the guide rail is installed on the base 1, the sliding block is installed on the connecting rod 4, the sliding block is embedded on the guide rail and is used for guiding sliding along the guide rail, the second end of the transmission rod 31 is hinged with the sliding block, and the sliding block can also be driven to translate along the guide rail by the transmission rod 31, so as to drive the connecting rod 4 to translate by the sliding block, and convert the rotary motion of the driving mechanism 1 into translational motion.

[0040] In addition, in other embodiments, the transmission mechanism 3 can also be composed of a screw rod and a nut to form a screw rod and nut mechanism, the screw rod is connected with the driving mechanism 2 and is used to be driven to rotate by the driving mechanism 2, the nut is sleeved on the screw rod and is in threaded connection with the screw rod, the screw rod is fixedly installed on one side of the connecting rod 4, and when the screw rod is driven to rotate, the nut can be driven to translate, thereby driving the connecting rod 4 to translate, and the rotary motion of the driving mechanism 1 can also be converted into translational motion.

[0041] Preferably, the turnout pin dismounting device further comprises a guide assembly 6 erected on the base 1, and the connecting rod 4 penetrates through the guide assembly 6 and is used for guiding sliding along the guide assembly 6. The movement direction of the connecting rod 4 is guided and limited by the guide assembly 6, which further improves the stability of the connecting rod 4, and the connecting rod 4 and the base 1 can also be connected as a whole by the guide assembly 6, so as to avoid loosening of the connecting rod 4 relative to the base 1.

[0042] Further, the guide assembly 6 comprises a guide seat 61 and a support frame 62, the guide seat 61 is provided with a guide hole matched with the connecting rod 4, the connecting rod 4 penetrates through the guide hole, and the support frame 62 is supported on the bottom of the guide seat 61 and connected with the base 1. The guide seat 61 and the connecting rod 4 are erected to a predetermined height position by the support frame 62, so that the two ends of the connecting rod 4 can be parallel to the base 1.

[0043] As Figure 4As shown, the clamp 5 comprises a first clamping jaw 51 and a second clamping jaw 52 for clamping the turnout pin 100, and the first clamping jaw 51 and the second clamping jaw 52 are each provided with a connecting hole 53, and the first clamping jaw 51 is connected and fixed relative to the second clamping jaw 52 by sequentially penetrating the connecting holes 53 on the first clamping jaw 51 and the second clamping jaw 52 with a bolt and locking. The connecting hole 53 can be a threaded hole or a through hole, and when both connecting holes 53 are through holes, the first clamping jaw 51 and the second clamping jaw 52 can be locked by using a nut after the bolt penetrates the two connecting holes 53, and the first clamping jaw 51 and the second clamping jaw 52 are locked and fixed by the bolt, and the locking structure is simple and efficient, ensuring stable clamping and preventing loosening.

[0044] Preferably, the first clamping jaw 51 is provided with a positioning groove 511, the second clamping jaw 52 is provided with a positioning block 521 embedded in the positioning groove 511, and the connecting holes 53 are respectively formed in the positioning groove 511 and the positioning block 521. The positioning groove 511 and the positioning block 521 form a mortise and tenon structure to pre-position the first clamping jaw 51 and the second clamping jaw 52, and then the first clamping jaw 51 and the second clamping jaw 52 are locked by a bolt, which can ensure the assembly accuracy of the first clamping jaw 51 and the second clamping jaw 52 and improve the convenience of clamping.

[0045] Preferably, the clamp 5 is detachably connected with the connecting rod 4, and can be connected by using a threaded structure, a bolt structure or a buckle structure, so that the clamp 5 can be disassembled and replaced relative to the connecting rod 4, thereby corresponding to different workpieces to be disassembled and replacing different specifications of clamps 5, which can not only adapt to different specifications of turnout pins 100, but also adapt to disassembly operations of other workpieces in other fields, thereby effectively improving the applicability. Therefore, although the specific structure and use principle of the turnout pin dismounting device are described by taking the turnout pin 100 as an example in the embodiment, it cannot be regarded as a limitation on the specific application scene of the turnout pin dismounting device, and the turnout pin dismounting device can also be used in other fields where parts need to be disassembled and replaced in a narrow space.

[0046] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A turnout pin dismounting device, characterized in that, The device comprises a base (1), a driving mechanism (2) and a transmission mechanism (3) arranged on the base (1) respectively, a connecting rod (4) connected with the transmission mechanism (3), and a clamp (5) arranged on one end of the connecting rod (4) away from the transmission mechanism (3); The driving mechanism (2) is used for rotating movement driven by a driving tool, the transmission mechanism (3) is connected with the driving mechanism (2) and is used for converting the rotating movement of the driving mechanism (2) into translational movement, so as to drive the connecting rod (4) to translate along the direction close to or away from the turnout pin (100) under the driving of the driving mechanism (2), and the clamp (5) is used for clamping the turnout pin (100).

2. The switch pin removal device of claim 1, wherein, The driving mechanism (2) comprises a support (21) and a driving rod (22), and the transmission mechanism (3) comprises a transmission rod (31) and a linear limiting assembly (32). The support (21) is arranged on the base (1), the first end of the driving rod (22) is hinged with the support (21) and is used for rotating movement driven by a driving tool, the second end of the driving rod (22) is hinged with the first end of the transmission rod (31), the second end of the transmission rod (31) is hinged with the linear limiting assembly (32), the linear limiting assembly (32) is connected with the connecting rod (4) and is used for limiting the movement direction of the connecting rod (4) to be a straight line direction, and the linear limiting assembly (32) is used for driving the connecting rod (4) to translate under the driving of the transmission rod (31).

3. The switch pin removal device of claim 2, wherein, The linear limiting assembly (32) comprises a gear (321), a first rack (322) and a second rack (323) arranged on opposite sides of the gear (321) and meshing with the gear (321) respectively, the first rack (322) is arranged on the base (1), the second rack (323) is arranged on the connecting rod (4), and the second end of the transmission rod (31) is connected with the gear (321).

4. The switch pin removal device of claim 3, wherein, The linear limiting assembly (32) further comprises a connecting arm (324), two gears (321) are arranged at intervals along the length direction of the connecting rod (4), the two ends of the connecting arm (324) are hinged with the two gears (321) respectively and connect the two gears (321) into a whole, and the second end of the transmission rod (31) is hinged with the middle segment position of the connecting arm (324).

5. A switch pin removal device according to claim 3 or 4, characterised in that, The transmission rod (31) is provided with two, and the two transmission rods (31) are arranged on the axial two ends of the gear (321) and are hinged with the driving rod (22) respectively.

6. A switch pin removal device according to claim 3 or 4, characterised in that The opposite sides of the first rack (322) and / or the second rack (323) are provided with limiting walls, the limiting walls are used for abutting against the axial end faces of the gear (321) and axially limiting the gear (321).

7. The switch pin removal device of claim 1, wherein, The turnout pin dismounting device further comprises a guide assembly (6) arranged on the base (1), and the connecting rod (4) is arranged in the guide assembly (6) and is used for sliding along the guide assembly (6).

8. The switch pin removal device of claim 1, wherein, The clamp (5) comprises a first clamping jaw (51) and a second clamping jaw (52), and connecting holes (53) are arranged on the first clamping jaw (51) and the second clamping jaw (52), and the first clamping jaw (51) is connected and fixed relative to the second clamping jaw (52) by bolts threaded through the connecting holes (53) arranged on the first clamping jaw (51) and the second clamping jaw (52) in sequence and locked.

9. The switch pin removal device of claim 8, wherein, A positioning groove (511) is arranged on the first clamping jaw (51), a positioning block (521) is arranged on the second clamping jaw (52) and embedded in the positioning groove (511), and the connecting holes (53) are respectively arranged on the positioning groove (511) and the positioning block (521).

10. The switch pin removal device of claim 1, wherein, The clamp (5) is detachably connected with the connecting rod (4).

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