Railway vehicle shaft end power generation device mounting structure

Abstract

The utility model provides a railway vehicle axle end power generation device mounting structure, which relates to the technical field of railway wagon power generation equipment, and comprises a bearing end cover arranged at the axle end part of a vehicle bogie, a plurality of fixing holes are formed in the bearing end cover in an annular array, an axle head bolt is arranged in each fixing hole, and the axle head bolt is connected with the bearing end cover. A mounting disc is arranged on one side of the bearing end cover, a stepped shaft is fixedly connected to the other side of the mounting disc, the end of the stepped shaft is inserted into a hollow shaft generator, a lifting lug is arranged on the hollow shaft generator, and the lifting lug is connected with a railway vehicle bogie through a connecting assembly. The vehicle bogie can be prevented from generating relative displacement during operation relative to the axle, a hollow shaft generator coaxial with the axle is prevented from being damaged, the service life is prolonged, the mounting disc is mounted on the bearing end cover by inserting the shaft head bolt into the mounting hole, and the stepped shaft can be mounted in place without punching the bearing end cover during mounting, so that the mounting efficiency is improved. And the rule of prohibiting part restructuring is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway freight car power generation equipment technical field especially relates to a track vehicle axle end power generation device mounting structure. BACKGROUND

[0002] With the expansion of railway freight train operation scale and special vehicle service, more and more monitoring or protection devices are widely used in railway freight train safety system, and the power supply reliability of these devices has been plagued the use of railway freight train safety system, the traditional power supply mode is that the locomotive supplies power to each freight car through the cable, due to the frequent car marshalling of railway freight train, the poor running environment and the like, the power supply reliability is poor, therefore, a power generation device is separately installed on the railway freight car to solve the power consumption of railway freight train safety system.

[0003] Through the search, the patent number "CN111585388A" text mentions "the track vehicle axle end power generation device belongs to the field of railway freight car power generation equipment; a kind of axle end power generation device that can satisfy the running gap change of vehicle bogie is proposed; technical scheme is: track vehicle axle end power generation device, comprising: hollow shaft generator, pin shaft and lug;The hollow shaft generator is arranged on the side of the track vehicle bogie, the rotor of the hollow shaft generator is coaxially fixedly connected with the axle of the vehicle bogie, the lug is arranged on the hollow shaft generator, the lug is fixed relative to the hollow shaft generator stator, the pin shaft is arranged on the track vehicle bogie, the lug is movably sleeved on the pin shaft, the inner diameter of the lug is greater than the diameter of the pin shaft, and the pin shaft is provided with a terminal for restricting the horizontal movement of the lug;The present application can be widely used on freight train", when using, through the design that ladder shaft is arranged between hollow shaft generator and track vehicle bogie, the motor rotor is locked and fixed in the mode of hexagonal slotted nut, and open end pin is used to prevent loosening, the hollow shaft generator can generate electricity normally, but during the implementation process of the device, the original parts of the vehicle bogie, bearing front cover and bearing saddle need to be modified. In some cases, all parts cannot be modified, only non-destructive installation can be implemented, and the axial installation size is long due to the use of hexagonal slotted nut, and the protruding size of the actual use environment has strict restrictions on the installation of the motor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a track vehicle axle end power generation device mounting structure, solving the problem that the device in the implementation process in the above background art needs to modify the original parts of the vehicle bogie, bearing front cover and bearing saddle. In some cases, all parts cannot be modified, only non-destructive installation can be implemented.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a rail vehicle axle end power generation device mounting structure, including the bearing end cover of setting in the axle end part of the vehicle bogie, a plurality of fixed holes are arranged in the annular array on the bearing end cover, the axle head bolt is arranged in each fixed hole, the one side of bearing end cover is provided with the mounting disc, the other side of mounting disc is fixedly connected with the stepped shaft, the end part of stepped shaft is inserted into the hollow shaft generator, the lug is arranged on the hollow shaft generator, the lug is connected with the rail vehicle bogie through the connecting component.

[0006] Preferably, the mounting disc is provided with mounting holes corresponding to the fixed holes, and the mounting disc is mounted on the bearing end cover by inserting the mounting holes through the axle head bolts.

[0007] Preferably, the end part of the stepped shaft extending out of the hollow shaft generator is provided with an axle retainer groove, the axle retainer groove is provided with an axle retainer, a wave spring pad is arranged between the axle retainer and the hollow shaft generator, and an open pin is arranged on the outside of the axle retainer and penetrates the stepped shaft.

[0008] Preferably, the connecting component includes a connecting rod, the lug is hinged to one end of the connecting rod through a first pin shaft, and the other end of the connecting rod is hinged to the rail vehicle bogie through a second pin shaft arranged on the vehicle bogie.

[0009] Preferably, the sum of the distance from the center point of the stepped shaft to the center point of the first pin shaft and the distance between the center point of the first pin shaft and the center point of the second pin shaft is greater than the distance from the center point of the stepped shaft to the center point of the second pin shaft.

[0010] Preferably, the connecting component includes a soft rope, and the lug is connected to the rail vehicle bogie through the soft rope.

[0011] Preferably, the sum of the distance from the center point of the stepped shaft to the connection point of the soft rope and the lug and the distance between the connection point of the soft rope and the rail vehicle bogie is greater than the distance from the center point of the stepped shaft to the connection point of the soft rope and the rail vehicle bogie.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] I. The hollow shaft generator is hinged to the rail vehicle bogie through the connecting rod, which can prevent the relative displacement of the vehicle bogie relative to the axle during operation, thereby preventing damage to the hollow shaft generator coaxial with the axle, improving the service life, and installing the mounting disc on the bearing end cover by inserting the mounting holes through the axle head bolts, which can enable the stepped shaft to be installed in place without punching holes on the bearing end cover, thereby achieving rapid installation and compliance with the rule of prohibiting modification of components.

[0014] Two, the shaft baffle groove and the shaft baffle can limit the axial displacement of the stepped shaft, prevent the hollow shaft generator from sliding along the shaft, the wave spring pad can absorb vibration through elastic deformation, prevent the shaft baffle from loosening due to dynamic load, greatly reduce the part of the stepped shaft protruding from the hollow shaft generator, through the setting of the key groove, the motor hole and the key, the stepped shaft can drive the hollow shaft in the hollow shaft generator to rotate, thereby generating electricity. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is overall structure schematic diagram of the utility model;

[0016] Figure 2 It is overall explosion structure schematic diagram of the utility model.

[0017] Marked number in drawing: 1, mounting disc;11, mounting hole;2, stepped shaft;21, shaft baffle groove;22, shaft baffle;23, wave spring pad;24, split pin;25, key groove;26, motor hole;27, key;3, hollow shaft generator;4, lifting lug;5, connecting rod;6, first pin shaft;7, second pin shaft. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Embodiment one

[0020] Please refer to Figure 1 And Figure 2 The utility model provides a kind of technical scheme: a rail vehicle axle end power generation device mounting structure, including the bearing end cover being arranged at the axle end portion of vehicle bogie, bearing end cover is annular array and is equipped with several fixed holes, each fixed hole is equipped with shaft head bolt, bearing end cover side is provided with mounting disc 1, the other side of mounting disc 1 is fixedly connected with stepped shaft 2, and the end of stepped shaft 2 is inserted into hollow shaft generator 3, and hollow shaft generator 3 is provided with lifting lug 4, and lifting lug 4 is connected with rail vehicle bogie by connecting assembly.

[0021] Further, mounting disc 1 is provided with mounting hole 11 corresponding to fixed hole, and mounting disc 1 is installed on bearing end cover by inserting shaft head bolt into mounting hole 11;

[0022] It can be installed in place without punching on bearing end cover when stepped shaft 2 is installed, and the installation is rapid and meets the rule of prohibiting modified components.

[0023] Further, the end of the stepped shaft 2 extending out of the hollow shaft generator 3 is provided with a shaft check ring groove 21, a shaft check ring 22 is arranged in the shaft check ring groove 21, a wave spring pad 23 is arranged between the shaft check ring 22 and the hollow shaft generator 3, and an open pin 24 is arranged on the outside of the shaft check ring 22 and penetrates the stepped shaft 2.

[0024] The shaft check ring groove 21 and the shaft check ring 22 can limit the axial displacement of the stepped shaft 2, prevent the hollow shaft generator 3 from sliding along the shaft, the wave spring pad 23 can absorb vibration through elastic deformation, prevent the shaft check ring 22 from loosening due to dynamic load, and greatly reduce the part of the stepped shaft 2 protruding from the hollow shaft generator 3.

[0025] Further, the connecting assembly includes a connecting rod 5, the hanger 4 is hinged to one end of the connecting rod 5 through a first pin shaft 6, the other end of the connecting rod 5 is hinged to the railway vehicle bogie through a second pin shaft 7 arranged on the railway vehicle bogie, and the hollow shaft generator 3 is hinged to the railway vehicle bogie through the connecting rod 5, so that when the stepped shaft 2 drives the hollow shaft generator 3 to rotate, the hollow shaft generator 3 can not rotate to generate electricity.

[0026] Further, the sum of the distance from the shaft center point of the stepped shaft 2 to the shaft center point of the first pin shaft 6 and the distance between the shaft center point of the first pin shaft 6 and the shaft center point of the second pin shaft 7 is greater than the distance from the shaft center point of the stepped shaft 2 to the shaft center point of the second pin shaft 7, so that when the railway vehicle bogie is displaced relative to the hollow shaft generator 3, the length between the hanger 4 and the railway vehicle bogie can be adaptively adjusted through the hinge of the connecting rod 5, the hollow shaft generator 3 coaxial with the axle is prevented from being damaged, and the service life is improved.

[0027] Further, a key groove 25 is arranged on the surface of the stepped shaft 2, a motor hole 26 is arranged on the inside of the hollow shaft generator 3, and a key 27 is arranged in the cavity formed by the key groove 25 and the motor hole 26, so that the stepped shaft 2 can drive the hollow shaft in the hollow shaft generator 3 to rotate, thereby generating electricity.

[0028] Further, the inner diameter of the shaft check ring 22 is smaller than the shaft diameter of the stepped shaft 2, and the outer diameter of the shaft check ring 22 is greater than the shaft diameter of the stepped shaft 2.

[0029] Embodiment two

[0030] Compared with embodiment one, as another embodiment of the utility model, the connecting assembly includes a soft rope, and the hanger 4 is connected with the railway vehicle bogie through the soft rope.

[0031] Further, the sum of the distance from the shaft center point of the stepped shaft 2 to the connection point of the soft rope and the hanger 4 and the distance between the connection points of the soft rope and the railway vehicle bogie is greater than the distance from the shaft center point of the stepped shaft 2 to the connection point of the soft rope and the railway vehicle bogie.

[0032] Working principle: first, a rail vehicle axle end power generation device installation structure is moved to the working position, in use, first, the shaft head bolt on the bearing end cover is removed, second, the installation hole 11 on the installation disc 1 is aligned with the fixed hole on the bearing end cover, then the installation disc 1 is installed on the bearing end cover through the shaft head bolt, third, the key 27 is placed in the key groove 25, then the motor hole 26 on the hollow shaft generator 3 is aligned with the key groove 25, the hollow shaft generator 3 is sleeved on the stepped shaft 2, fourth, the wave spring pad 23 is sleeved on the stepped shaft 2, then the shaft retaining ring 22 is installed in the shaft retaining ring groove 21 outside the wave spring pad 23, finally the split pin 24 is inserted on the stepped shaft 2, fifth, one end of the connecting rod 5 is hinged with the lifting lug 4 through the first pin shaft 6, then the other end of the connecting rod 5 is hinged on the second pin shaft 7, thus the installation process of a rail vehicle axle end power generation device installation structure is completed.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rail vehicle axle end power generation device mounting structure comprising a bearing end cover provided at an axle end portion of a vehicle bogie, a plurality of fixing holes being formed in an annular array on the bearing end cover, and an axle head bolt being provided in each of the fixing holes, characterized in that, One side of the bearing end cover is provided with a mounting disc (1), the other side of the mounting disc (1) is fixedly connected with a stepped shaft (2), the end of the stepped shaft (2) is inserted into a hollow shaft generator (3), the hollow shaft generator (3) is provided with an ear (4), the ear (4) is connected with a railway vehicle bogie through a connecting assembly.

2. The railcar axle end power generation device mounting structure according to claim 1, characterized by The mounting disc (1) is provided with a mounting hole (11) corresponding to the fixing hole, and the mounting disc (1) is installed on the bearing end cover through the shaft head bolt inserted into the mounting hole (11).

3. The rail vehicle axle end power generation device mounting structure according to claim 2, characterized by The end of the stepped shaft (2) extending out of the hollow shaft generator (3) is provided with a shaft retaining ring groove (21), the shaft retaining ring groove (21) is provided with a shaft retaining ring (22), the shaft retaining ring (22) and the hollow shaft generator (3) are provided with a wave spring pad (23), and the outer side of the shaft retaining ring (22) is provided with an open pin (24) penetrating through the stepped shaft (2).

4. The rail vehicle axle end power generation device mounting structure according to claim 1, characterized by The connecting assembly comprises a connecting rod (5), the ear (4) is hinged to one end of the connecting rod (5) through a first pin shaft (6), and the other end of the connecting rod (5) is hinged to the railway vehicle bogie through a second pin shaft (7) arranged on the vehicle bogie.

5. The rail vehicle axle end power generation device mounting structure according to claim 4, characterized by The distance from the shaft center point of the stepped shaft (2) to the shaft center point of the first pin shaft (6) and the distance between the shaft center point of the first pin shaft (6) and the shaft center point of the second pin shaft (7) are greater than the distance from the shaft center point of the stepped shaft (2) to the shaft center point of the second pin shaft (7).

6. The rail vehicle axle end power generation device mounting structure according to claim 1, characterized by The connecting assembly comprises a soft rope, and the ear (4) is connected with the railway vehicle bogie through the soft rope.

7. The rail vehicle axle end power generation device mounting structure according to claim 6, characterized by The distance from the shaft center point of the stepped shaft (2) to the connection point of the soft rope and the ear (4) and the distance between the connection points of the soft rope and the railway vehicle bogie are greater than the distance from the shaft center point of the stepped shaft (2) to the connection point of the soft rope and the railway vehicle bogie.

Images