CN219610757U - Railway vehicle bearing anti-over-power device and railway vehicle - Google Patents
Railway vehicle bearing anti-over-power device and railway vehicle Download PDFInfo
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- CN219610757U CN219610757U CN202223477134.1U CN202223477134U CN219610757U CN 219610757 U CN219610757 U CN 219610757U CN 202223477134 U CN202223477134 U CN 202223477134U CN 219610757 U CN219610757 U CN 219610757U
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- railway vehicle
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- shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model discloses an anti-over-current device for a bearing of a railway vehicle and the railway vehicle, which relate to the technical field of railway vehicles and comprise the following components: the friction disc is detachably arranged at one end of the axle and is in conductive connection with the axle; the shell is internally provided with a cavity with one side open, and the shell is detachably connected with the bearing saddle, so that the friction disc is positioned in the cavity; the grounding component is connected with the shell and is in conductive connection with the shell, and the grounding component is in conductive contact with the friction disc; one end of the conductive component is in conductive connection with the shell, and the other end of the conductive component is used for being in conductive connection with electrical equipment of the railway vehicle; the problem that the railway vehicle in the prior art does not have the bearing anti-over-electricity function and is difficult to meet the use requirement of the railway vehicle with electric equipment for construction maintenance is solved.
Description
Technical Field
The utility model belongs to the technical field of railway vehicles, and particularly relates to an anti-over-current device for a railway vehicle bearing.
Background
At present, the domestic railway vehicles are rarely provided with electrical equipment, bearing electric corrosion is rarely generated, and most domestic railway vehicles adopt cast steel three-piece bogies. The existing cast steel three-piece bogie is not provided with a bearing anti-over-current device, and cannot meet the use requirement of the track flatcar with electric equipment for construction maintenance. In order to meet the modern railway maintenance requirements, a bearing anti-over-current device suitable for a railway vehicle cast steel three-piece bogie needs to be developed, and the requirements of railway vehicles with electric equipment are met.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides a bearing passing point prevention device for a railway vehicle and the railway vehicle, and solves the problems that the railway vehicle in the prior art does not have a bearing passing-prevention function and is difficult to meet the use requirement of the railway vehicle with electric equipment for construction maintenance.
In order to achieve the above object, the present utility model provides an anti-overload device for a bearing of a railway vehicle, the bearing is sleeved on the outer side of an axle of the railway vehicle, the outer side of the bearing is connected with a bearing saddle of the railway vehicle, the bearing saddle is connected with a bogie of the railway vehicle, the device comprises:
the friction disc is detachably arranged at one end of the axle and is in conductive connection with the axle;
the shell is internally provided with a cavity with one side open, and the shell is detachably connected with the bearing saddle, so that the friction disc is positioned in the cavity;
the grounding component is connected with the shell and is in conductive connection with the shell, and the grounding component is in conductive contact with the friction disc;
and one end of the conductive component is in conductive connection with the shell, and the other end of the conductive component is used for being in conductive connection with electrical equipment of the railway vehicle.
Optionally, one end of the axle is provided with a conductive front cover through a first bolt, one side, far away from the axle, of the conductive front cover is connected with a claw disc in a conductive manner, and the friction disc is connected with the claw disc in a conductive manner.
Optionally, the conductive front cover is disc-shaped, and the claw disc is connected to the conductive front cover through a second bolt in a conductive manner.
Optionally, the claw dish includes main part and at least three equipartition are in the claw of the bar of main part periphery, claw be close to one side of electrically conductive protecgulum with electrically conductive protecgulum contact and through the third bolt with electrically conductive protecgulum is connected, the middle part of main part is provided with the mounting hole, the one end of friction disc is provided with the installation department, the installation department interference is installed in the mounting hole.
Optionally, the shell is the dust cover, the periphery of dust cover is provided with the installation ear, be provided with the through-hole on the installation ear, the dust cover is kept away from one side of axletree is provided with the opening, the grounding part is installed in the opening and will the opening shutoff.
Optionally, the grounding part includes first casing and second casing, first casing with the second casing is connected and forms the chamber of holding between the two, be provided with elastomeric element and conductive contact part in the chamber of holding, be provided with the guiding hole on the first casing, conductive contact part slides and sets up in the guiding hole, elastomeric element's both ends respectively with the second casing with conductive contact part is connected and is in precompression state, first casing with the dust cover can dismantle the connection and will the opening shutoff.
Optionally, the shell is close to one side of bearing saddle has set gradually sealing seat and mount pad, the sealing seat with the mount pad passes through the fourth bolt with the bearing saddle can dismantle the connection, the shell pass through the fifth bolt with the sealing seat can dismantle the connection.
Optionally, the material of the sealing seat is rubber.
Optionally, a grounding seat is arranged on the shell, one end of the conductive component is detachably connected with the grounding seat, and the conductive component comprises a wire.
The utility model further comprises a railway vehicle, and the railway vehicle bearing anti-over-electricity device comprises the railway vehicle bearing anti-over-electricity device.
The utility model provides an anti-over-current device for a bearing of a railway vehicle and the railway vehicle, which have the beneficial effects that: the device has the detachably set up at axletree one end and with axletree conductive connection's friction disc, the friction disc can with install the earth connection part conductive contact on the shell, conductive part's both ends respectively can with shell and rail vehicle's electrical equipment conductive connection, just so realized electrical equipment, shell, earth connection part, friction disc, axletree, wheel, rail's conductive connection, conductive part can lead in the rail with electric current and then introduce the earth for the bearing is short-circuited, protection bearing does not take place the electric erosion, thereby guarantee rail vehicle's operation safety.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
Fig. 1 shows a schematic sectional structure of a railway vehicle bearing anti-overcurrent device according to an embodiment of the utility model.
Fig. 2 shows a schematic external structure of a railway vehicle bearing anti-overcurrent device according to an embodiment of the utility model.
Fig. 3 shows a schematic structural view of a bearing adapter of a railway vehicle bearing anti-overcurrent device according to one embodiment of the utility model.
Fig. 4 shows a schematic structural view of a mounting base of a bearing anti-overcurrent device for a railway vehicle according to one embodiment of the utility model.
Fig. 5 shows a schematic structural view of a seal housing of a railway vehicle bearing anti-overcurrent device according to an embodiment of the utility model.
Fig. 6 shows a schematic structural view of a dust cover of a railway vehicle bearing anti-overcurrent device according to one embodiment of the utility model.
Fig. 7 shows a schematic structural view of a conductive front cover of a railway vehicle bearing anti-overcurrent device according to one embodiment of the utility model.
Fig. 8 shows a schematic structural view of a claw disk of a railway vehicle bearing anti-overcurrent device according to one embodiment of the utility model.
Fig. 9 shows a schematic structural view of a friction disc of a railway vehicle bearing anti-overcurrent device according to one embodiment of the utility model.
Reference numerals illustrate:
1. an axle; 2. a bearing; 3. a bearing saddle; 4. a side frame; 5. a friction plate; 6. a housing; 7. a grounding member; 8. a conductive member; 9. a conductive front cover; 10. a claw disk; 11. a first housing; 12. a second housing; 13. an elastic member; 14. a conductive contact member; 15. a sealing seat; 16. a mounting base; 17. a fourth bolt; 18. a fifth bolt; 19. a grounding seat; 20. axle box rubber pad.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1 to 9, the present utility model provides an anti-overcurrent device for a bearing 2 of a railway vehicle, the bearing 2 being fitted over an outer side of an axle 1 of the railway vehicle, the outer side of the bearing 2 being connected to a bearing adapter 3 of the railway vehicle, the bearing adapter 3 being connected to a bogie of the railway vehicle, the device comprising:
the friction disc 5 is detachably arranged at one end of the axle 1 and is in conductive connection with the axle 1;
the shell 6 is internally provided with a cavity with one side open, and the shell 6 is detachably connected with the bearing saddle 3 and enables the friction disc 5 to be positioned in the cavity;
the grounding part 7, the grounding part 7 is connected with the shell 6 and is connected with the shell 6 in a conductive way, and the grounding part 7 is in conductive contact with the friction disc 5;
and a conductive member 8, one end of the conductive member 8 is electrically connected to the housing 6, and the other end of the conductive member 8 is electrically connected to the electrical equipment of the railway vehicle.
Specifically, in order to solve the problems that the railway vehicle in the prior art does not have the function of preventing the bearing 2 from being over-electrified and is difficult to meet the use requirement of the railway vehicle for construction maintenance with electrical equipment; the anti-over-current device for the railway vehicle bearing 2 is provided with the friction disc 5 which is detachably arranged at one end of the axle 1 and is in conductive connection with the axle 1, the friction disc 5 can be in conductive contact with the grounding part 7 arranged on the shell 6, and two ends of the conductive part 8 can be respectively in conductive connection with the shell 6 and the electrical equipment of the railway vehicle, so that the conductive connection of the electrical equipment, the shell 6, the grounding part 7, the friction disc 5, the axle 1, wheels and steel rails is realized, the conductive part 8 can guide current into the steel rails and then be led into the ground, the bearing 2 is short-circuited, the bearing 2 is protected from electric corrosion, and the running safety of the railway vehicle is ensured.
In the present embodiment, the bearing adapter 3 is mounted on the side frame 4 of the bogie, and a pedestal rubber pad 20 is provided between the side frame 4 and the bearing adapter 3.
Optionally, one end of the axle 1 is provided with a conductive front cover 9 through a first bolt, one side of the conductive front cover 9 away from the axle 1 is connected with a claw disc 10 in a conductive manner, and the friction disc 5 is connected with the claw disc 10 in a conductive manner.
Specifically, the first bolt can be through the original bolt hole of railway vehicle's axletree 1 with electrically conductive protecgulum 9 install on axletree 1, realize with the electrically conductive connection of axletree 1, claw dish 10 also with electrically conductive protecgulum 9 electrically conductive connection, claw dish 10 is used for fixed friction disk 5, the device does not change original axletree 1 structure like this, simple to operate and convenient to use.
Alternatively, the conductive front cover 9 has a disk shape, and the claw disk 10 is electrically connected to the conductive front cover 9 by a second bolt.
Specifically, the claw disk 10 is electrically connected with the conductive front cover 9 through the second bolt, and is also convenient to detach.
Optionally, the claw disc 10 includes a main body portion and at least three strip-shaped claw portions uniformly distributed on the periphery of the main body portion, one side of the claw portion, which is close to the conductive front cover, is in contact with the conductive front cover and is connected with the conductive front cover through a third bolt, a mounting hole is formed in the middle of the main body portion, a mounting portion is arranged at one end of the friction disc 5, and the mounting portion is installed in the mounting hole in an interference mode.
Specifically, in this embodiment, the second bolt is kept away to the claw portion of three bars that equipartition was in main part periphery for compact structure, and friction disc 5 includes body portion and installation department, installation department and mounting hole interference fit, makes friction disc 5 rotate with axletree 1.
Optionally, the casing 6 is a dust cover, the periphery of the dust cover is provided with a mounting ear, the mounting ear is provided with a through hole, one side of the dust cover away from the axle 1 is provided with an opening, and the grounding component 7 is installed in the opening and plugs the opening.
Specifically, the housing 6 is a dust cover, may be bowl-shaped, has a specific shape not limited, and can have a dust sealing effect, thereby improving the service life of the device.
Optionally, the grounding component 7 includes a first shell 11 and a second shell 12, the first shell 11 is connected with the second shell 12 and forms a containing cavity therebetween, an elastic component 13 and a conductive contact component 14 are arranged in the containing cavity, a guiding hole is arranged on the first shell 11, the conductive contact component 14 is slidably arranged in the guiding hole, two ends of the elastic component 13 are respectively connected with the second shell 12 and the conductive contact component 14 and are in a precompressed state, and the first shell 11 is detachably connected with the dust cover and seals the opening.
Specifically, after the first housing 11 and the second housing 12 are connected, a containing cavity is formed between the first housing 11 and the second housing 12, and the first housing 11 seals the opening, so that the elastic component 13 and the conductive contact component 14 in the containing cavity are not exposed; in this embodiment, the elastic component 13 is a spring, the conductive contact component 14 is columnar, and under the pre-compression elastic force of the spring, the conductive contact component 14 is always in contact with the friction disk 5, so as to realize conductive connection, and even if the bearing 2 and the bearing saddle 3 have relative displacement, elastic displacement compensation can be realized through the spring, so that the anti-over-electricity effect of the bearing 2 of the device is not affected.
Optionally, a sealing seat 15 and an installation seat 16 are sequentially arranged on one side, close to the bearing saddle 3, of the outer shell 6, the sealing seat 15 and the installation seat 16 are detachably connected with the bearing saddle 3 through a fourth bolt 17, and the outer shell 6 is detachably connected with the sealing seat 15 through a fifth bolt 18.
Specifically, mount pad 16, sealing seat 15, shell 6 are detachably mounted in proper order in the outside of bearing saddle 3, through bolted connection, convenient to detach.
Optionally, the material of the seal seat 15 is rubber.
Specifically, the cooperation of sealing seat 15 and dust cover adopts rubber seal and labyrinth seal design, can accomplish rain-proof dustproof, improves the life of device.
In this embodiment, the seal seat 15 includes an annular portion and first protruding portions and second protruding portions disposed on two sides of the annular portion, the first protruding portions are disposed on an outer periphery of the annular portion, the second protruding portions are disposed on an inner periphery of the annular portion, one end of the dust cover is sleeved on an outer periphery of the second protruding portions, a labyrinth seal design is formed, and a seal effect is improved.
Optionally, the housing 6 is provided with a grounding seat 19, and one end of the conductive member 8 is detachably connected to the grounding seat 19, and the conductive member 8 includes a wire.
Specifically, the grounding seat 19 includes a grounding pile, a threaded connection hole is formed in the grounding pile, and conductive connection between the wire and the grounding seat 19 can be achieved through a copper screw and a wire nose on the wire.
The utility model also comprises a railway vehicle comprising a railway vehicle bearing 2 anti-overage device according to the above.
Specifically, the railway vehicle with the anti-over-current device for the railway vehicle bearing 2 realizes the conductive connection of electrical equipment, the shell 6, the grounding part 7, the friction disc 5, the axle 1, wheels and steel rails, and the conductive part 8 can guide current into the steel rails to be led into the ground, so that the bearing 2 is short-circuited, the bearing 2 is protected from electric corrosion, and the running safety of the railway vehicle is ensured; therefore, the railway vehicle can conveniently realize the anti-over-electricity function of the bearing 2, and can meet the use requirement of the track flatcar with electrical equipment for construction and maintenance; and can directly install on the cast steel three-piece bogie of the existing railway vehicle, and has convenient disassembly and assembly and low cost.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. The utility model provides an anti-over-current device for a railway vehicle bearing, the bearing housing is established in the outside of railway vehicle's axletree, the outside of bearing with the bearing saddle of railway vehicle is connected, the bearing saddle with railway vehicle's bogie is connected, its characterized in that, this device includes:
the friction disc is detachably arranged at one end of the axle and is in conductive connection with the axle;
the shell is internally provided with a cavity with one side open, and the shell is detachably connected with the bearing saddle, so that the friction disc is positioned in the cavity;
the grounding component is connected with the shell and is in conductive connection with the shell, and the grounding component is in conductive contact with the friction disc;
and one end of the conductive component is in conductive connection with the shell, and the other end of the conductive component is used for being in conductive connection with electrical equipment of the railway vehicle.
2. The railway vehicle bearing anti-overcurrent device according to claim 1, wherein one end of the axle is provided with a conductive front cover through a first bolt, a claw disc is connected to one side of the conductive front cover away from the axle in a conductive manner, and the friction disc is connected to the claw disc in a conductive manner.
3. The railway vehicle bearing anti-overcurrent apparatus of claim 2 wherein the conductive front cover is disc-shaped and the claw disc is conductively coupled to the conductive front cover by a second bolt.
4. The railway vehicle bearing anti-overcurrent device according to claim 3, wherein the claw disc comprises a main body part and at least three strip-shaped claw parts uniformly distributed on the periphery of the main body part, one side, close to the conductive front cover, of the claw parts is contacted with the conductive front cover and is connected with the conductive front cover through a third bolt, a mounting hole is formed in the middle of the main body part, a mounting part is arranged at one end of the friction disc, and the mounting part is installed in the mounting hole in an interference mode.
5. The railway vehicle bearing anti-overcurrent device according to claim 1, wherein the housing is a dust cover, a mounting lug is arranged on the periphery of the dust cover, a through hole is arranged on the mounting lug, an opening is arranged on one side, away from the axle, of the dust cover, and the grounding component is arranged in the opening and seals the opening.
6. The device for preventing a bearing of a railway vehicle from being overloaded according to claim 5, wherein said grounding member comprises a first housing and a second housing, said first housing is connected with said second housing and forms a receiving cavity therebetween, an elastic member and a conductive contact member are provided in said receiving cavity, a guide hole is provided in said first housing, said conductive contact member is slidably provided in said guide hole, both ends of said elastic member are connected with said second housing and said conductive contact member, respectively, and are in a pre-compressed state, and said first housing is detachably connected with said dust cover and seals said opening.
7. The device for preventing an overload of a bearing for a railway vehicle according to claim 1, wherein a sealing seat and an installation seat are sequentially arranged on one side of the housing, which is close to the bearing saddle, and the sealing seat and the installation seat are detachably connected with the bearing saddle through a fourth bolt, and the housing is detachably connected with the sealing seat through a fifth bolt.
8. The railway car bearing anti-over-current device according to claim 7, wherein the material of the seal seat is rubber.
9. The railway vehicle bearing anti-overcurrent apparatus according to claim 1, wherein a grounding seat is provided on the housing, the one end of the conductive member is detachably connected to the grounding seat, and the conductive member includes a wire.
10. Railway vehicle, characterized in that it comprises a railway vehicle bearing anti-overload device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223477134.1U CN219610757U (en) | 2022-12-26 | 2022-12-26 | Railway vehicle bearing anti-over-power device and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223477134.1U CN219610757U (en) | 2022-12-26 | 2022-12-26 | Railway vehicle bearing anti-over-power device and railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219610757U true CN219610757U (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223477134.1U Active CN219610757U (en) | 2022-12-26 | 2022-12-26 | Railway vehicle bearing anti-over-power device and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219610757U (en) |
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2022
- 2022-12-26 CN CN202223477134.1U patent/CN219610757U/en active Active
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