CN220765643U - Bogie push wheel mechanism - Google Patents

Abstract

The utility model relates to the field of maintenance of railway vehicles, in particular to a bogie push wheel mechanism arranged in a maintenance trench, which comprises a wheel clamping mechanism; the clamping mechanism moves the frame, the first clamping jaw and the second clamping jaw; the first clamping jaw comprises a bracket, a pushing wheel shaft and a pushing wheel; the device also comprises a driving mechanism for driving the movable frame to move along the length direction of the maintenance trench. The utility model makes the pushing wheel be located at the front and back sides of the wheel of the bogie by moving the first clamping jaw and the second clamping jaw respectively, then makes the pushing wheel extend out of the maintenance trench and respectively hold the front side and the back side of the wheel rim of the wheel of the bogie, and finally completes the pushing of the whole bogie by moving the moving frame. The bogie push wheel mechanism of the embodiment of the application does not occupy ground space because the bogie push wheel mechanism is installed in a maintenance trench, and the bogie, other equipment and personnel passing through cannot be affected, so that the bogie push wheel mechanism is wide in applicability, strong in universality and small in risk and can be used in different scenes.

Description

Bogie push wheel mechanism

Technical Field

The utility model relates to the field of maintenance of railway vehicles, in particular to a bogie push wheel mechanism.

Background

The bogie of the motor car consists of two groups of wheel sets, a framework, a suspension and other additional parts. The bogie needs to be pushed and transferred in some scenes in workshops such as a host factory or a motor car section, or intelligent equipment needs to be accurately positioned when running. At present, the bogie is pushed to move mainly by manpower. Because the bogie is heavy, a few tons are often needed for long-distance pushing, and manpower resources are wasted. Moreover, the manual push wheel cannot be positioned accurately, and cannot meet the application scene of some intelligent equipment, such as a bogie cross checking link of a motor car section, so that the manual push wheel can be checked by only relying on people, thereby not only wasting manpower, but also being low in efficiency and difficult to ensure the accuracy. Because the frames, the additional parts and the like of the bogies of different types are different, the universal pushing device is difficult to manufacture, and the bogies are pushed in a mode of selecting pushing wheels. However, the push wheel mechanism is limited greatly because various other parts (such as axle boxes, sanding pipes and the like) around the wheel set may interfere.

Disclosure of Invention

In view of the above, the present utility model aims to provide a bogie pushing wheel mechanism with strong versatility, so as to be compatible with pushing work of various types of bogies as much as possible.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the bogie push wheel mechanism is arranged in the overhaul trench; the push wheel mechanism comprises a clamping wheel mechanism; the clamping mechanism comprises a movable frame, a first clamping jaw and a second clamping jaw, wherein the movable frame can move along the length direction of the overhaul trench; the first clamping jaw comprises a bracket, a pushing wheel shaft and a pushing wheel; the support is connected to the movable frame in a sliding manner; the push wheel shaft is connected to the bracket in a sliding manner and is arranged perpendicular to the length direction of the overhaul trench; the pushing wheel is arranged at one end of the pushing wheel shaft, which is far away from the bracket; the second clamping jaw and the first clamping jaw are identical in structure and are arranged in a mirror symmetry mode along the length direction of the overhaul trench; the push wheel mechanism further comprises a driving mechanism; the driving mechanism is used for driving the movable frame to move along the length direction of the maintenance trench.

In some embodiments, the push wheel mechanism further comprises a second drive motor and a lead screw; the second driving motor is arranged on the movable frame; the screw rod is arranged in parallel with the length direction of the overhaul trench, and one end of the screw rod is in transmission connection with the second driving motor; the screw rod is provided with two sections of threads with opposite rotation directions; the first clamping jaw and the second clamping jaw are respectively in threaded connection with two sections of threads with opposite upper rotating directions of the screw rod.

In some embodiments, the push wheel mechanism further comprises a guide shoe; the guide seat is fixedly arranged on the bracket; the guide seat is provided with a through hole perpendicular to the length direction of the maintenance trench, and the push wheel shaft is slidably connected in the through hole.

In some embodiments, guide grooves are respectively arranged on the moving frame corresponding to the movement positions of the push wheel shaft of the first clamping jaw and the push wheel shaft of the second clamping jaw; the pushing wheel shaft is provided with a pin shaft which can be inserted into the guide groove; the guide groove is used for guiding the pin shaft to move along the length direction vertical to the maintenance trench in the process that the first clamping jaw and the second clamping jaw move along the length direction of the maintenance trench, so that the push wheel shaft moves along the length direction vertical to the maintenance trench in the through hole.

In some embodiments, the push wheel mechanism further comprises a rail base and a rail; the guide rail base is fixed in the overhaul trench along the length direction of the overhaul trench, and the guide rail is arranged on the guide rail base; the movable frame, the support of the first clamping jaw and the support of the second clamping jaw are all connected to the guide rail in a sliding mode.

In some embodiments, the push wheel mechanism further comprises a first position sensor and a second position sensor; the first position sensor is arranged on the movable frame and is positioned between the first clamping jaw and the second clamping jaw; the two second position sensors are respectively arranged on the first clamping jaw and the second clamping jaw.

In some embodiments, the drive mechanism includes a rack mount, a rack, a first drive motor, and a drive gear; the rack mounting seat is fixed in the overhaul trench along the length direction of the overhaul trench, and the rack is mounted on the guide rail base; the first driving motor is fixedly arranged on the movable frame; the driving gear is arranged on the first driving motor and meshed with the rack.

In summary, compared with the prior art, the utility model has the following advantages and beneficial effects: according to the embodiment of the application, the first clamping jaw and the second clamping jaw are quickly moved to the vicinity of the wheel of the bogie parked on the overhaul trench by moving the movable frame, then the first clamping jaw and the second clamping jaw are moved to enable the push wheels in the first clamping jaw and the second clamping jaw to be located beside the front side and the rear side of the wheel of the bogie respectively (at the moment, the push wheels are still located in the overhaul trench), then the push wheels in the first clamping jaw and the second clamping jaw are enabled to extend out of the overhaul trench and respectively hold the front side and the rear side of the wheel rim of the wheel of the bogie by sliding the push wheel shaft, and finally the whole bogie is pushed by moving the movable frame. The bogie push wheel mechanism is arranged in the overhaul trench, so that the ground space is not occupied, the bogie, other equipment and personnel passing through cannot be influenced, the bogie push wheel mechanism is wide in applicability, high in universality and low in risk, and can be used in different scenes.

Drawings

Fig. 1 is a schematic structural view of the push wheel mechanism of the present utility model when installed in a trench.

Fig. 2 is a schematic diagram of the main structure of the push wheel mechanism according to the present utility model.

Fig. 3 is a schematic view mainly showing the structure of the driving mechanism in the present utility model after omitting the housing.

Fig. 4 is a schematic view mainly showing the structure of the clutch mechanism of the present utility model after omitting the housing.

Fig. 5 is a schematic view mainly showing the structure of the main action mechanism of the pinch roller mechanism in the present utility model.

Fig. 6 is a schematic view mainly showing the structure of the guide groove in the present utility model.

The definitions of the various numbers in the figures are: ground 1, inspection trench 2, push wheel mechanism 3, drag chain 31, driving mechanism 32, rack mount 321, rack 322, motor mount 323, first driving motor 324, driving gear 325, pinch wheel mechanism 33, rail mount 331, rail 332, moving rack 333, first slide mount 3331, second driving motor 334, lead screw 335, bearing mount 336, first nut mount 337, second nut mount 338, first position sensor 339, first jaw 3310, second jaw 3311, support 3312, guide mount 3313, push wheel axle 3314, push wheel 3315, second position sensor 3316, second slide mount 3317, pin shaft 3318, guide slot 3319.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the following specific embodiments.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of first, second, etc. terms, if any, are used solely for the purpose of distinguishing between technical features and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

As shown in fig. 1, a bogie push wheel mechanism according to an embodiment of the present application is installed in an inspection trench 2.

As shown in fig. 2, a bogie push wheel mechanism according to an embodiment of the present application includes a pinch wheel mechanism 33, a driving mechanism 32, and a drag chain 31.

As shown in fig. 4, the pinch roller mechanism 33 includes a moving frame 333, a first jaw 3310, and a second jaw 3311. The moving frame 333, the first clamping jaw 3310 and the second clamping jaw 3311 can all move along the length direction of the maintenance trench 2.

As shown in fig. 5, the first jaw 3310 includes a carrier 3312, a push wheel shaft 3314, and a push wheel 3315. The support 3312 is slidably coupled to the moving frame 333 and is movable along the length direction of the inspection trench 2. The push wheel shaft 3314 is slidably connected to the support 3312 and is disposed perpendicular to the length direction of the inspection trench 2. The push wheel 3315 is mounted to the end of the push wheel shaft 3314 remote from the support 3312, and the end of the push wheel 3315 is the end of the push wheel shaft 3314 remote from the service trench 2.

In this embodiment, the structures of the second clamping jaw 3311 and the first clamping jaw 3310 are the same and are arranged in a mirror symmetry manner along the length direction of the maintenance trench 2, so that a detailed description of the specific structure of the second clamping jaw 3311 is omitted.

The driving mechanism 32 is used for driving the moving frame 333 to move along the length direction of the maintenance trench 2.

The cables for powering or communicating the various mechanisms in the embodiments of the present application are then disposed within the service trench 2 via the tow chain 31.

The present embodiment rapidly moves the first and second clamping jaws 3310 and 3311 to the vicinity of the wheel of the bogie parked on the service trench 2 by moving the moving frame 333, then moves the first and second clamping jaws 3310 and 3311 so that the push wheels 3315 in the first and second clamping jaws 3310 and 3311 are located at the front and rear sides of the wheel of the bogie, respectively (at this time, the push wheels 3315 are still located in the service trench 2), then slides the push wheel shaft 3314 so that the push wheels 3315 in the first and second clamping jaws 3310 and 3311 protrude out of the service trench 2 and respectively hold the front and rear sides of the rim of the wheel of the bogie, and finally completes the pushing of the entire bogie by moving the moving frame 333. The bogie push wheel mechanism is arranged in the overhaul trench 2, does not occupy the space of the ground 1, and does not influence the passing of the bogie, other equipment and personnel, so that the bogie push wheel mechanism is wide in applicability, strong in universality and small in risk, and can be used in different scenes.

In order to ensure that the push wheel 3315 in the first clamping jaw 3310 and the second clamping jaw 3311 can realize automatic centering when holding the wheel rim, as shown in fig. 4, the push wheel mechanism further comprises a second driving motor 334 and a screw rod 335. The second driving motor 334 is fixedly installed at one end of the moving frame 333. The screw rod 335 is parallel to the length direction of the maintenance trench 2, one end of the screw rod 335 is in transmission connection with the second driving motor 334, and the other end of the screw rod 335 is connected with a bearing seat 336 fixedly installed at the other end of the movable frame 333. The screw rod 335 is provided with two sections of threads with opposite rotation directions, namely the screw rod 335 is a positive and negative screw rod. The support 3312 of the first clamping jaw 3310 and the support 3312 of the second clamping jaw 3311 are respectively in threaded connection with two sections of threads on the screw rod 335 with opposite screwing directions through a first nut seat 337 and a second nut seat 338.

In this way, the second driving motor 334 can realize the synchronous opposite movement or the synchronous separation movement of the first clamping jaw 3310 and the second clamping jaw 3311 when driving the screw rod 335 to rotate, which is beneficial to the self-centering of the push wheels 3315 in the first clamping jaw 3310 and the second clamping jaw 3311 when being equipped with the front side and the rear side of the wheel rim of the wheel holding the bogie.

As shown in fig. 5, the push wheel mechanism further includes a guide seat 3313, and the guide seat 3313 is fixedly mounted on the support 3312. The guide seat 3313 has a through hole perpendicular to the length direction of the maintenance trench 2, and the push wheel shaft 3314 is slidably connected to the through hole. Thus, the push wheel shaft 3314 can only slide in the through hole, and the accuracy and reliability of the sliding movement of the push wheel shaft 3314 can be ensured.

When the first clamping jaw 3310 and the second clamping jaw 3311 are used for wheel holding, the wheel holding can be realized by adding a telescopic cylinder or a hydraulic cylinder, and the like, but parts are added, so that the volume of the whole wheel pushing mechanism 3 is increased. In order to simplify the structure of the push wheel mechanism 3 as much as possible, as shown in fig. 6, in the embodiment of the present application, guide grooves 3319 are further provided on the moving frame 333 corresponding to the movement positions of the push wheel shaft 3314 of the first clamping jaw 3310 and the push wheel shaft 3314 of the second clamping jaw 3311. The push wheel shaft 3314 is provided with a pin shaft 3318 which can be inserted into the guide groove 3319. The guide groove 3319 includes two guide grooves which are arranged along the length direction of the overhaul trench 2 and are arranged at intervals, one guide groove is arranged close to the overhaul trench 2, the other guide groove is arranged far away from the overhaul trench 2, and the two guide grooves are smoothly transited through a transition groove to form the guide groove 3319 of a motion process. The guide groove 3319 is used for guiding the pin shaft 3318 to move along the length direction perpendicular to the inspection trench 2 in the process of moving the first clamping jaw 3310 and the second clamping jaw 3311 along the length direction of the inspection trench 2, so that the push wheel shaft 3314 moves along the length direction perpendicular to the inspection trench 2 in the through hole. For example, when the second driving motor 334 drives the first jaw 3310 and the second jaw 3311 to move in the opposite directions in synchronization by the screw rod 335, the pin shaft 3318 of the first jaw 3310 and the pin shaft 3318 of the second jaw 3311 are guided to gradually move away from the inspection trench 2 as moving in the respective guide grooves 3319, thereby pushing out the push wheel shaft 3314 so that the push wheel 3315 can hold the front side and the rear side of the rim of the wheel of the bogie. When the push wheel is completed, the second driving motor 334 drives the first clamping jaw 3310 and the second clamping jaw 3311 to synchronously move away from each other through the screw rod 335, and the pin shaft 3318 of the first clamping jaw 3310 and the pin shaft 3318 of the second clamping jaw 3311 are guided to gradually approach the maintenance trench 2 as moving in the respective guide grooves 3319, so that the push wheel shaft 3314 is retracted to enable the push wheel 3315 to be far away from the wheel of the bogie so as to enable the bogie to pass through. In this way, the push wheel 3315 in the first clamping jaw 3310 and the push wheel 3315 of the second clamping jaw 3311 move in opposite directions/away from each other and stretch out and draw back to form a linkage, so that the power source and the space are saved, the cutting reliability is high, the consistency is good, the positioning is accurate, and the error is not increased due to repeated use.

In order to ensure the linear accuracy of the pinch roller mechanism 33 when moving along the length direction of the maintenance trench 2, as shown in fig. 4, the push roller mechanism 3 according to the embodiment of the present application further includes a rail base 331 and a rail 332. The guide rail base 331 is fixed on the side wall in the maintenance trench 2 along the length direction of the maintenance trench 2, and the guide rail 332 is mounted on the guide rail base 331. As shown in fig. 5, the moving frame 333 is provided with a plurality of first sliding seats 3331, the support 3312 of the first clamping jaw 3310 and the support 3312 of the second clamping jaw 3311 are provided with a plurality of second sliding seats 3317, the moving frame 333 is slidably connected to the guide rail 332 through the first sliding seats 3331, and the first clamping jaw 3310 and the second clamping jaw 3311 are slidably connected to the guide rail 332 through the respective second sliding seats 3317.

As shown in fig. 5, the push wheel mechanism further includes a first position sensor 339 and a second position sensor 3316. The first position sensor 339 is mounted on the moving frame 333 and is positioned between the first jaw 3310 and the second jaw 3311. Two second position sensors 3316 are mounted on the first jaw 3310 and the second jaw 3311, respectively. In this way, when the second position sensor 3316 on the first jaw 3310 and the second jaw 3311 does not detect the rim, and the first position sensor 339 detects the rim, the rim of the wheel indicating the bogie is just located between the first jaw 3310 and the second jaw 3311, and then the wheel holding and pushing operations can be performed. When any one of the second position sensors 3316 detects the rim, it indicates that the rim of the wheel of the bogie is not yet located between the first clamping jaw 3310 and the second clamping jaw 3311, and at this time, the wheel holding and pushing operations are not possible. The safety and automation degree of the push wheel mechanism 3 can be greatly improved by adding the first position sensor 339 and the second position sensor 3316.

As shown in fig. 3, the driving mechanism 32 includes a rack mount 321, a rack 322, a first driving motor 324, and a driving gear 325. The rack mounting seat 321 is fixed in the maintenance trench 2 along the length direction of the maintenance trench 2, and the rack 322 is mounted on the guide rail base 331. The first driving motor 324 is fixedly installed on the moving frame 333 through a motor installation seat 323. The driving gear 325 is mounted on the first driving motor 324 and engaged with the rack 322. The first driving motor 324 drives the driving gear 325 to rotate forward or backward when operating, thereby driving the moving frame 333 to reciprocate along the length direction of the inspection trench 2.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above-described preferred embodiments should not be construed as limiting the utility model, which is defined in the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (7)

1. The utility model provides a bogie push wheel mechanism which characterized in that: the push wheel mechanism (3) is arranged in the overhaul trench (2);

the push wheel mechanism (3) comprises a clamping wheel mechanism (33); the clamping wheel mechanism (33) comprises a movable frame (333), a first clamping jaw (3310) and a second clamping jaw (3311) which can move along the length direction of the overhaul trench (2);

the first clamping jaw (3310) comprises a bracket (3312), a push wheel shaft (3314) and a push wheel (3315); the bracket (3312) is connected to the movable frame (333) in a sliding manner; the push wheel shaft (3314) is connected to the support (3312) in a sliding manner and is arranged perpendicular to the length direction of the overhaul trench (2); the pushing wheel (3315) is arranged at one end of the pushing wheel shaft (3314) far away from the bracket (3312);

the second clamping jaw (3311) and the first clamping jaw (3310) have the same structure and are arranged in a mirror symmetry mode along the length direction of the overhaul trench (2);

the push wheel mechanism (3) further comprises a driving mechanism (32); the driving mechanism (32) is used for driving the movable frame (333) to move along the length direction of the overhaul trench (2).

2. A bogie push wheel mechanism according to claim 1 wherein: the push wheel mechanism (3) further comprises a second driving motor (334) and a screw rod (335); the second driving motor (334) is mounted on the movable frame (333); the screw rod (335) is arranged in parallel with the length direction of the overhaul trench (2), and one end of the screw rod is in transmission connection with the second driving motor (334); the screw rod (335) is provided with two sections of threads with opposite rotation directions; the first clamping jaw (3310) and the second clamping jaw (3311) are respectively in threaded connection with two sections of threads on the screw rod (335) with opposite screwing directions.

3. A bogie push wheel mechanism according to claim 1 wherein: the push wheel mechanism (3) further comprises a guide seat (3313); the guide seat (3313) is fixedly arranged on the support (3312); the guide seat (3313) is provided with a through hole perpendicular to the length direction of the overhaul trench (2), and the push wheel shaft (3314) is slidably connected in the through hole.

4. A bogie push wheel mechanism according to claim 3 wherein: guide grooves (3319) are respectively formed in the moving positions of the pushing wheel shaft (3314) of the moving frame (333) corresponding to the first clamping jaw (3310) and the pushing wheel shaft (3314) of the second clamping jaw (3311); a pin shaft (3318) which can be inserted into the guide groove (3319) is arranged on the push wheel shaft (3314); the guide groove (3319) is used for guiding the pin shaft (3318) to move along the length direction vertical to the overhaul trench (2) in the process that the first clamping jaw (3310) and the second clamping jaw (3311) move along the length direction of the overhaul trench (2), so that the push wheel shaft (3314) moves along the length direction vertical to the overhaul trench (2) in the through hole.

5. A bogie push wheel mechanism according to claim 1 wherein: the push wheel mechanism (3) further comprises a guide rail base (331) and a guide rail (332); the guide rail base (331) is fixed in the overhaul trench (2) along the length direction of the overhaul trench (2), and the guide rail (332) is arranged on the guide rail base (331); the moving frame (333), the support (3312) of the first clamping jaw (3310) and the support (3312) of the second clamping jaw (3311) are all connected to the guide rail (332) in a sliding manner.

6. A bogie push wheel mechanism according to claim 1 wherein: the push wheel mechanism further includes a first position sensor (339) and a second position sensor (3316); the first position sensor (339) is mounted on the mobile frame (333) and is located between the first jaw (3310) and the second jaw (3311); two second position sensors (3316) are mounted on the first jaw (3310) and the second jaw (3311), respectively.

7. A bogie push wheel mechanism according to claim 5 wherein: the driving mechanism (32) comprises a rack mounting seat (321), a rack (322), a first driving motor (324) and a driving gear (325); the rack mounting seat (321) is fixed in the overhaul trench (2) along the length direction of the overhaul trench (2), and the rack (322) is mounted on the guide rail base (331); the first driving motor (324) is fixedly arranged on the movable frame (333); the drive gear (325) is mounted on the first drive motor (324) and is meshed with the rack (322).