CN209852319U - Integral tread electromechanical brake cylinder - Google Patents
Integral tread electromechanical brake cylinder Download PDFInfo
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- CN209852319U CN209852319U CN201920297751.2U CN201920297751U CN209852319U CN 209852319 U CN209852319 U CN 209852319U CN 201920297751 U CN201920297751 U CN 201920297751U CN 209852319 U CN209852319 U CN 209852319U
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- screw
- brake cylinder
- box body
- braking
- top sleeve
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Abstract
The utility model relates to a rail vehicle braking technical field is an integral tread electromechanical brake jar particularly, is equipped with lead screw and top cover in the box, the top cover inboard is equipped with the one end of lead screw just the lead screw outside be fixed with screw nut, screw nut with the near-end of top cover between be equipped with thrust bearing and be used for transmitting the effort of lead screw axial direction, the outer end of lead screw is connected with the floodgate support subassembly that is used for realizing the braking, there is big umbelliform gear in the screw nut outside through splined connection, motor element's output cooperation is connected with little umbelliform gear and little umbelliform gear meshes with big umbelliform gear mutually. Compared with the prior art, the utility model, its advantage lies in: the motor is adopted for driving, so that the phenomenon of air leakage or oil leakage of a pipeline caused by braking is avoided, and the problem of environmental pollution caused by the traditional tread braking device is solved; the operation is simple, and the braking of the rail vehicle can be more stable and reliable; the response time of the brake cylinder is prolonged, and the braking of the railway vehicle is more efficient.
Description
Technical Field
The utility model relates to a rail vehicle braking technical field is an integral tread electromechanical brake jar particularly.
Background
The tread brake is the brake pad brake adopted by the railway rolling stock, and the brake pad holds the tread of the wheel tightly during braking, so that the wheel stops rotating through friction. The traditional tread braking unit is powered by air or hydraulic pressure, realizes braking and relieving by a spring brake, has low efficiency, large energy consumption and heavy weight, needs no leakage phenomenon of all pipelines, and has complex structure and difficult control.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of prior art, provide an easy operation, the reliable integral tread electromechanical brake jar of braking.
In order to achieve the aim, the integral tread electromechanical brake cylinder is designed, the integral tread electromechanical brake cylinder comprises a box body, a motor assembly and a brake support assembly, a mounting part for mounting the motor assembly is arranged on the box body, and a screw rod and a top sleeve are arranged in the box body, one end of the screw rod is arranged at the inner side of the top sleeve, a screw rod nut is fixed at the outer side of the screw rod, a thrust bearing is arranged between the screw nut and the near end of the top sleeve and is used for transmitting the acting force of the screw in the axial direction, the far end of the top sleeve is provided with an end cover fixed with the box body, the outer end of the lead screw is connected with a brake support component used for realizing braking, the outer side of the screw nut is connected with a large umbrella-shaped gear through a spline, the output end of the motor component is connected with a small umbrella-shaped gear in a matching mode, and the small umbrella-shaped gear is meshed with the large umbrella-shaped gear.
The utility model discloses still have following preferred technical scheme:
and a force sensor is also arranged between the end cover and the top sleeve.
Screw nut be close to the tip of top cover one end be equipped with be used for with the near-end matched with recess of top cover, just the top cover outside be equipped with first circumferential extension section, first circumferential extension section and screw nut be close to and be equipped with thrust bearing between the tip of top cover one end.
The box body is provided with a mounting hole for a gear shaft of the bevel pinion or an output shaft of the motor assembly to pass through, and the inner side of the box body is provided with a mounting groove for mounting a nut in the circumferential direction of the mounting hole.
The outer sides of the gear shaft of the small umbrella-shaped gear or the output shaft of the motor assembly are provided with a plurality of bearings, bearing top rings are arranged among the bearings, bearing support rings are arranged on the outer sides of the bearings, and the bearing support rings are fixedly connected with the box body.
The outer side of the top sleeve is provided with a second circumferential extension section, and the side of the box body, far away from the end cover, of the second circumferential extension section is provided with a step structure matched with the end part of the second circumferential extension section.
The lead screw is located the inboard one end tip outside of top cover and is equipped with first recess, first recess with the top cover between be equipped with the lead screw copper sheathing.
The outer end of the screw rod is provided with a connecting joint used for connecting a brake support assembly, a stepped structure is arranged on the connecting joint in the circumferential direction, a sealing cover is fixedly arranged at the other end of the box body relative to the end cover, a through hole is formed in the middle of the sealing cover, a third circumferential extension section is arranged on the inner side of the sealing cover in the circumferential direction, the inner side of the third circumferential extension section is abutted to the outer end of a gear shaft of the large umbrella-shaped gear, and the outer side of the third circumferential extension section is abutted to the stepped structure of the connecting joint.
The outer end of the connecting joint is connected with the brake support assembly through a first connecting hinge, and the brake support assembly is connected with the outer side of the box body through a second connecting hinge.
Compared with the prior art, the utility model, composite structure is simple feasible, easily installs and dismantles, and its advantage lies in:
1. the utility model discloses a checking cylinder adopts motor drive, has avoided because of pipeline gas leakage or the oil leak phenomenon that the braking appears, has solved traditional tread arresting gear and has caused the pollution problem to the environment.
2. The utility model discloses a checking cylinder control operation is fairly simple, can make rail vehicle braking firm more, reliable.
3. The utility model discloses the response time of checking jar will be short than traditional, has improved the response time of checking jar, makes rail vehicle braking more high-efficient.
Drawings
Fig. 1 is a schematic structural view of an integral tread electromechanical brake cylinder according to an embodiment of the present invention.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is a schematic structural view of an integral tread electromechanical brake cylinder according to another embodiment of the present invention.
Fig. 4 is a sectional view of fig. 3.
In the figure: 1. the bearing assembly comprises a motor assembly 2, a small bevel gear 3, a bearing top ring 4, a nut M30 multiplied by 1.55, a bearing 6, a motor assembly O-ring 7, a bearing support ring 8, a fixing bolt 9, an end cover O-ring 10, a force sensor 11, a top sleeve 12, a lead screw copper sleeve 13, a second screw 14, a copper sleeve baffle plate 15, a first screw 16, an end cover 17, an O-ring 18, a thrust bearing 19, a large bevel gear 20, a bearing fixing ring 21, a crossed roller bearing 22, a large bevel gear O-ring 23, a sealing cover 24, a box body 25, a sealing cover O-ring 26, a sealing cover bolt 27, a pin shaft assembly 28, a spring 29, an electrical connector 30, a third screw 31, a fourth screw 32, a brake support assembly 33, a first pin shaft 34, a first connecting hinge 35, a connecting pin shaft 36, a fastening bolt 37, a connecting joint 38, a lead screw nut 39, a bearing screw 40, a bearing retaining ring 41 and a. A first circumferentially extending section 43, a second circumferentially extending section 44, a third circumferentially extending section.
Detailed Description
The structure and principle of such a device will be apparent to those skilled in the art from the following further description of the invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the integral tread electromechanical brake cylinder includes a box body, a motor assembly and a brake support assembly, the box body is provided with an installation part for installing the motor assembly, the installation part is used for connecting the motor assembly and the box body through bolts, and a connection part of the motor assembly and the box body is further provided with a motor assembly O-ring, in the embodiment, the box body is provided with an installation hole for a pinion shaft of a bevel pinion or an output shaft of the motor assembly to pass through, an installation groove for installing a nut is arranged on the inner side of the box body in the circumferential direction of the installation hole to reinforce the pinion shaft of the bevel pinion or the output shaft of the motor assembly, a plurality of bearings are arranged on the outer side of the pinion shaft of the bevel pinion or the output shaft of the motor assembly, a bearing top ring is arranged between the bearings, and bearing support rings are arranged on the outer sides of, the bearing support ring is fixedly connected with the box body through a fixing bolt.
The box in be equipped with lead screw and top cover, the top cover inboard be equipped with the one end of lead screw just the lead screw outside be fixed with screw nut, screw nut be close to the tip of top cover one end be equipped with be used for with the near-end matched with recess of top cover, just the top cover outside be equipped with first circumferential direction extension section, first circumferential direction extension section and screw nut be close to and be equipped with thrust bearing between the tip of top cover one end for transmission lead screw axial direction's effort, the top cover outside be equipped with second circumferential direction extension section, the box be in second circumferential direction extension section one side far away from the end cover be equipped with the tip matched with stair structure of second circumferential direction extension section. The lead screw be located the inboard one end tip outside of top cover and be equipped with first recess, first recess with the top cover between be equipped with the lead screw copper sheathing, the lead screw be located the inboard one end tip of top cover and be equipped with the second recess, the second recess in through the second fix with screw copper sheathing baffle. The far end of the top sleeve is connected with one side of the force sensor through a first screw, the other side of the force sensor is connected with the end cover through a screw, and the top sleeve and the box body can slide to a certain extent. The end cover is fixed with the box body through a bolt, and an end cover sealing ring is arranged between the end cover and the right end surface of the box body.
The outer end of the lead screw is connected with a connecting joint used for connecting a brake support assembly through a fastening bolt, a stepped structure is arranged on the connecting joint in the circumferential direction, a sealing cover is fixedly arranged at the other end of the box body relative to the end cover, a through hole is formed in the middle of the sealing cover, a third circumferential extension section is arranged on the inner side of the sealing cover in the circumferential direction, the inner side of the third circumferential extension section abuts against the outer end of a gear shaft of the large umbrella-shaped gear, and the outer side of the third circumferential extension section abuts against the stepped structure of the connecting joint. The outer end of the connecting joint is connected with a connecting pin shaft, the middle of the rear end of the brake support assembly is connected with a first pin shaft, a first connecting hinge is connected between the first pin shaft and the connecting pin shaft, an extending section is arranged on the outer side of the box body, a pin shaft assembly is arranged at the extending section, and a second connecting hinge is connected between a second pin shaft arranged on the upper side or the lower side of the rear end of the pin shaft assembly and the brake support assembly.
The outer side of the lead screw nut is connected with a large umbrella-shaped gear through a spline, so that the lead screw nut can generate relative displacement in the axial direction of the lead screw relative to the large umbrella-shaped gear, the large umbrella-shaped gear is provided with a step-shaped structure, the outer surface of the lead screw nut is provided with a protruding section corresponding to the step-shaped structure, and the lead screw nut is limited to move towards the direction of the brake support assembly through the matching between the step-shaped structure and the protruding section. The tail end of the large bevel gear is clamped at the inner side of the sealing cover so as to ensure the large bevel gear to be fixed, and an O-shaped ring of the large bevel gear is arranged between the inner side of the sealing cover and the large bevel gear. Big umbrella-shaped gear and box between be equipped with the cross roller bearing, in this embodiment, the cross roller bearing fix in the recess that closing cap and solid fixed ring cooperation formed, the closing cap hugs closely with solid fixed ring circumference outside the inner wall of box, the closing cap passes through the closing cap bolt fastening simultaneously and is in the box left end, is equipped with the closing cap sealing washer between the inner wall of closing cap and box. The output end of the motor component is connected with a small umbrella-shaped gear in a matching way, the small umbrella-shaped gear is meshed with a large umbrella-shaped gear, so that gear transmission between the small umbrella-shaped gear and the large umbrella-shaped gear is realized, and the small umbrella-shaped gear can comprise a gear shaft or is not provided with the gear shaft.
Furthermore, the motor adopts a direct-current torque motor, a threading hole is formed in the box body, and electrical connectors are respectively installed on the box body and the motor assembly.
In fig. 1 and 2, the motor assembly is mounted on the front side of the box body, and the brake support assembly is mounted on the left side of the box body, and in other embodiments, the position of the motor assembly can be changed. For example, referring to fig. 3 and 4, the motor assembly may also be mounted to the underside of the housing.
Examples
The device is compact in structure and high in braking efficiency, can be well suitable for the braking working condition of a vehicle, and drives the small umbrella-shaped gear through the motor component, so that the large umbrella-shaped gear meshed with the small umbrella-shaped gear is driven to rotate, the screw rod is driven to rotate, the translation of the screw rod is realized through the ball screw pair consisting of the screw rod and the jacking sleeve, the stretching of the tread electromechanical brake cylinder is realized, the brake support component is driven to stretch, the clamping or loosening between the brake pad and the tread of the brake support component is realized, the braking or the releasing of the railway vehicle is realized, the tread electromechanical brake cylinder stretches out, the stretched reaction force can be transmitted to the force sensor through the screw nut, the thrust bearing and the jacking sleeve in sequence, and the output torque of the motor component can be correspondingly adjusted through the feedback of the force sensor.
Claims (9)
1. The integral type tread electromechanical brake cylinder is characterized by comprising a box body, a motor assembly and a brake support assembly, wherein the box body is provided with a mounting part for mounting the motor assembly, and a screw rod and a top sleeve are arranged in the box body, one end of the screw rod is arranged at the inner side of the top sleeve, a screw rod nut is fixed at the outer side of the screw rod, a thrust bearing is arranged between the screw nut and the near end of the top sleeve and is used for transmitting the acting force of the screw in the axial direction, the far end of the top sleeve is provided with an end cover fixed with the box body, the outer end of the lead screw is connected with a brake support component used for realizing braking, the outer side of the screw nut is connected with a large bevel gear through a spline, a crossed roller bearing is arranged between the large bevel gear and the box body, the output end of the motor component is connected with a small bevel gear in a matching way, and the small bevel gear is meshed with the large bevel gear.
2. The integrated tread electromechanical brake cylinder according to claim 1, wherein a force sensor is further provided between the end cap and the top sleeve.
3. The integral tread electromechanical brake cylinder according to claim 1 or 2, wherein the end of the feed screw nut near the top sleeve is provided with a groove for mating with the proximal end of the top sleeve, and the outside of the top sleeve is provided with a first circumferential extension, and a thrust bearing is arranged between the first circumferential extension and the end of the feed screw nut near the top sleeve.
4. Integral tread electromechanical brake cylinder according to claim 1, characterised in that the housing is provided with a mounting hole for the pinion shaft of the bevel pinion or the output shaft of the motor assembly to pass through, and that the inside of the housing is provided with a mounting groove for mounting a nut in the circumferential direction of the mounting hole.
5. The brake cylinder according to claim 1, wherein the pinion shaft of the bevel pinion or the output shaft of the motor assembly are provided with a plurality of bearings, a bearing top ring is arranged between the bearings, and bearing support rings are arranged outside the bearings and fixedly connected with the box body.
6. The brake cylinder as claimed in claim 1, wherein the top sleeve has a second circumferential extension on the outside, and the housing has a step structure on the side of the second circumferential extension remote from the end cap that mates with the end of the second circumferential extension.
7. The brake cylinder according to claim 1, wherein the screw has a first groove on the outside of the end of the screw located inside the top cover, and a copper screw cover is provided between the first groove and the top cover.
8. The brake cylinder according to claim 1, wherein the outer end of the screw shaft is provided with a connection joint for connecting the brake shoe assembly, the connection joint is circumferentially provided with a step structure, the other end of the box body opposite to the end cover is fixedly provided with a sealing cover, the middle of the sealing cover is provided with a through hole, the sealing cover is circumferentially provided with a third circumferentially extending section, the inner side of the third circumferentially extending section abuts against the outer end of the gear shaft of the big umbrella gear, and the outer side of the third circumferentially extending section abuts against the step structure of the connection joint.
9. The integral tread electromechanical brake cylinder according to claim 8, wherein the outer end of the connector lug is connected to the brake shoe assembly by a first connector hinge and the brake shoe assembly is connected to the outside of the housing by a second connector hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297751.2U CN209852319U (en) | 2019-03-08 | 2019-03-08 | Integral tread electromechanical brake cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297751.2U CN209852319U (en) | 2019-03-08 | 2019-03-08 | Integral tread electromechanical brake cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209852319U true CN209852319U (en) | 2019-12-27 |
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ID=68933075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920297751.2U Active CN209852319U (en) | 2019-03-08 | 2019-03-08 | Integral tread electromechanical brake cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209852319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878548A (en) * | 2019-03-08 | 2019-06-14 | 上海六辔机电科技有限公司 | Monoblock type tyre tread electromechanical checking cylinder and braking method |
-
2019
- 2019-03-08 CN CN201920297751.2U patent/CN209852319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878548A (en) * | 2019-03-08 | 2019-06-14 | 上海六辔机电科技有限公司 | Monoblock type tyre tread electromechanical checking cylinder and braking method |
| CN109878548B (en) * | 2019-03-08 | 2024-09-17 | 北京天佑新辔高新技术有限公司 | Integral tread electromechanical brake cylinder and braking method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200214 Address after: 200331 No. 3527, 34 South Road, Putuo District, Shanghai Patentee after: Wu Mengling Address before: 200092 Shanghai city Yangpu District Guokang Road No. 100 room 1302F Patentee before: Shanghai six onychogalea Electromechanical Technology Co Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200602 Address after: Room 318, floor 3, building 2, yard 85, Hong'an Road, Fangshan District, Beijing 102400 Patentee after: Beijing Tianyou Xinlan High Tech Co.,Ltd. Address before: 200331 No. 3527, 34 South Road, Putuo District, Shanghai Patentee before: Wu Mengling |
|
| TR01 | Transfer of patent right |