CN112758129A - Brake shoe angle adjusting device - Google Patents
Brake shoe angle adjusting device Download PDFInfo
- Publication number
- CN112758129A CN112758129A CN202110106159.1A CN202110106159A CN112758129A CN 112758129 A CN112758129 A CN 112758129A CN 202110106159 A CN202110106159 A CN 202110106159A CN 112758129 A CN112758129 A CN 112758129A
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- CN
- China
- Prior art keywords
- balance
- brake shoe
- brake
- adjusting device
- lever
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters
- B61H15/0064—Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic
- B61H15/0071—Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic by means of linear adjustment
- B61H15/0085—Wear-compensating mechanisms, e.g. slack adjusters mechanical and non-automatic by means of linear adjustment with screw-thread and nut
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake shoe angle adjusting device, which is characterized by comprising: the lever backup pad, the setting is on the brake lever, the through-hole, set up in the lever backup pad, balanced screw rod, slide and wear to establish in the through-hole, balanced screw rod's one end is rotated and is connected on the brake head support, balanced screw rod's other end threaded connection has adjusting nut, first balanced spring, the setting is between the one end of lever backup pad and balanced screw rod, second balanced spring, the setting is between lever backup pad and adjusting nut, this adjusting device can adjust the brake shoe for the angle of wheel, the jamming appears in the solution brake shoe adjusting device, warp, crackle scheduling problem, and become the flexonics with rigid contact through first balanced spring and second balanced spring, reduce brake braking and to adjusting device's damage.
Description
Technical Field
The invention belongs to the technical field of locomotive braking devices, and particularly relates to a brake shoe angle adjusting device.
Background
With the continuous development of the locomotive technology in China, the reliability of the operation of the locomotive and the convenience of maintenance are more important. In the process of newly manufacturing the original rolling stock, the problems of clamping stagnation, deformation, cracks and the like always occur in the brake shoe angle adjusting device after the foundation brake device is assembled, the sections are generally treated by repair welding, accessory replacement, reinforcing rib welding and the like, the operation is complicated, and the maintenance cost is high.
Disclosure of Invention
The invention aims to provide a brake shoe angle adjusting device, aiming at the defects in the prior art, which can adjust the angle of a brake shoe relative to a wheel, solve the problems of clamping stagnation, deformation, cracks and the like of the brake shoe adjusting device, change rigid contact into flexible contact through a first balance spring and a second balance spring and reduce the damage of brake braking to the adjusting device.
In order to achieve the above object, the present invention provides a shoe angle adjusting device comprising:
the lever supporting plate is arranged on the brake lever;
the through hole is formed in the lever supporting plate;
the balance screw rod is slidably arranged in the through hole in a penetrating mode, one end of the balance screw rod is rotatably connected to the brake head, and the other end of the balance screw rod is in threaded connection with an adjusting nut;
a first balance spring disposed between the lever support plate and the one end of the balance screw;
and a second balance spring disposed between the lever support plate and the adjustment nut.
Optionally, a flat washer is sleeved on the balance screw, and the flat washer is located between the second balance spring and the adjusting nut.
Optionally, the other end of the balance screw is provided with an anti-falling structure.
Optionally, the anti-dropping structure comprises a cotter pin, and the cotter pin is arranged at the other end of the balance screw in a penetrating manner.
Optionally, a balance pin shaft is arranged on the brake shoe, a circular ring is arranged at one end of the balance screw rod, and the circular ring is sleeved on the balance pin shaft.
Optionally, both ends of the first balance spring are provided with spring seats, and the spring seats are conical or hemispherical.
Optionally, the lever support plate is disposed at a lower end of the brake lever, and the one end of the balance screw is rotatably connected to a lower end of the brake head.
Optionally, a shaft sleeve is sleeved on the balance pin shaft, and the circular ring is sleeved on the shaft sleeve.
Optionally, the threaded rod includes a connecting portion, a sliding portion and a threaded portion, the connecting portion is rotatably connected to the brake head, the sliding portion is slidably connected to the through hole, and the nut is threadedly connected to the threaded portion.
The invention provides a brake shoe angle adjusting device, which has the beneficial effects that:
1. the adjusting device can adjust the angle of the brake shoe relative to the wheel, solves the problems of clamping stagnation, deformation, cracks and the like of the brake shoe adjusting device, changes rigid contact into flexible contact through the first balance spring and the second balance spring, and reduces the damage of brake braking to the adjusting device;
2. the adjusting device limits the first balance spring by mounting spring seats at two ends of the first balance spring, so that the center of the first balance spring is superposed with the center of the balance screw rod;
3. the adjusting device gradually adjusts the brake shoe from a head-up state to a state of uniform clearance with the wheel up and down through the adjusting nut;
4. the adjusting device avoids the adjusting nut from falling off through the anti-falling structure.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 shows a schematic view of a shoe angle adjusting device according to one embodiment of the present invention.
Description of reference numerals:
1. a lever support plate; 2. a balance screw; 3. adjusting the nut; 4. a first balance spring; 5. a second balance spring; 6. a cotter pin; 7. a balance pin shaft; 8. a spring seat.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by 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 invention to those skilled in the art.
FIG. 1 shows a schematic view of a shoe angle adjusting device according to one embodiment of the present invention.
As shown in fig. 1, a shoe angle adjusting device includes:
the lever supporting plate 1 is arranged on the brake lever;
the through hole is formed in the lever support plate 1;
the balance screw rod 2 is slidably arranged in the through hole in a penetrating mode, one end of the balance screw rod 2 is rotatably connected to the brake head, and the other end of the balance screw rod 2 is in threaded connection with an adjusting nut 3;
a first balance spring 4 disposed between the lever support plate 1 and one end of the balance screw 2;
and a second balance spring 5 disposed between the lever support plate 1 and the adjustment nut 3.
Concretely, the lever supporting plate 1 is fixed on a brake lever and is in sliding connection with the balance screw rod 2 through a through hole, the brake shoe is gradually adjusted from a head-up state to a state of uniform clearance with the wheel up and down through the adjusting nut 3, the elastic force of the first balance spring 4 and the second balance spring 5 is consistent, rigid contact is changed into flexible contact through the balance screw rod 2 in cooperation with the first balance spring 4 and the second balance spring 5, the damage of brake braking to the adjusting device is reduced, the adjustment of the brake shoe relative to the wheel angle is completed, and the problems of clamping stagnation, deformation, cracks and the like of the conventional brake shoe adjusting device are solved
In this embodiment, the balance screw 2 is sleeved with a flat washer, and the flat washer is located between the second balance spring 5 and the adjusting nut 3.
In this embodiment, the other end of the balance screw 2 is provided with a retaining structure.
Specifically, the adjusting nut 3 is prevented from moving and displacing through the anti-disengaging structure.
In this embodiment, the anti-slip structure includes a cotter 6, and the cotter 6 is inserted into the other end of the balance screw 2.
In this embodiment, a balance pin 7 is provided on the brake shoe, and a ring is provided at one end of the balance screw 2 and sleeved on the balance pin 7.
Specifically, the balance pin shaft 7 is rotatably connected with the circular ring, so that the balance screw 2 can drive the brake shoe conveniently.
In the present embodiment, the two ends of the first balance spring 4 are both provided with spring seats 8, and the spring seats 8 are conical or hemispherical.
Specifically, the first balance spring 4 and the second balance spring 5 are concentric with the balance screw 2 via the spring seat 8.
Further, both ends of the second balance spring 5 are also provided with spring seats 8.
In this embodiment, the lever support plate 1 is disposed at the lower end of the brake lever, and one end of the balance screw 2 is rotatably connected to the lower end of the brake head.
In this embodiment, the shaft sleeve is sleeved on the balance pin 7, and the circular ring is sleeved on the shaft sleeve.
Specifically, the friction force between the circular ring and the balance pin shaft 7 is reduced through the shaft sleeve, and the rotation is facilitated.
In this embodiment, the threaded rod includes a connecting portion, a sliding portion, and a threaded portion, the connecting portion being rotatably connected to the brake head, the sliding portion being slidably connected to the through hole, and the nut being threaded on the threaded portion.
When this embodiment adjusting device uses, use the installation as an example, install lever backup pad 1 on the brake lever, install balance pin 7 on the brake head holds in the palm, establish first balance spring 4 cover on balance screw 2, later establish the ring cover on balance pin 7, balance screw 2 runs through the through-hole simultaneously, first balance spring 4 card is between lever backup pad 1 and ring, later install first balance spring 4 in proper order, the plain washer, adjusting nut 3 and split pin 6, make the brake shoe gradually adjust to with the wheel about the clearance uniform state from the head state of rising through adjusting nut 3 after the installation is accomplished, make brake shoe and wheel laminate with optimal state, conveniently adjust the angle of brake shoe for the wheel, solve brake shoe adjusting device and appear the jamming, the deformation, crackle scheduling problem.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not 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 described embodiments.
Claims (9)
1. A shoe angle adjustment device, comprising:
the lever supporting plate is arranged on the brake lever;
the through hole is formed in the lever supporting plate;
the balance screw rod is slidably arranged in the through hole in a penetrating mode, one end of the balance screw rod is rotatably connected to the brake head, and the other end of the balance screw rod is in threaded connection with an adjusting nut;
a first balance spring disposed between the lever support plate and the one end of the balance screw;
and a second balance spring disposed between the lever support plate and the adjustment nut.
2. The brake shoe angle adjustment device of claim 1, wherein said balance screw is sleeved with a flat washer, said flat washer being located between said second balance spring and said adjustment nut.
3. The brake shoe angle adjusting device of claim 1, wherein the other end of the balance screw is provided with a retaining structure.
4. The brake shoe angle adjustment device of claim 3, wherein the anti-slip structure comprises a cotter pin, and the cotter pin is arranged at the other end of the balance screw in a penetrating way.
5. The brake shoe angle adjusting device of claim 1, wherein the brake shoe is provided with a balance pin, the one end of the balance screw is provided with a ring, and the ring is sleeved on the balance pin.
6. The brake shoe angle adjustment device of claim 1, wherein the first balance spring is provided with spring seats at both ends, and the spring seats are conical or hemispherical.
7. The brake shoe angle adjustment assembly of claim 1, wherein said lever support plate is disposed at a lower end of said brake lever, said one end of said balance screw being pivotally connected to a lower end of said brake head.
8. The brake shoe angle adjusting device of claim 5, wherein the balance pin is sleeved with a bushing, and the ring is sleeved on the bushing.
9. The brake shoe angle adjustment device of claim 1, wherein the threaded rod includes a connecting portion rotatably connected to the brake head, a sliding portion slidably connected to the through hole, and a threaded portion to which the nut is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106159.1A CN112758129A (en) | 2021-01-26 | 2021-01-26 | Brake shoe angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106159.1A CN112758129A (en) | 2021-01-26 | 2021-01-26 | Brake shoe angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112758129A true CN112758129A (en) | 2021-05-07 |
Family
ID=75707530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110106159.1A Pending CN112758129A (en) | 2021-01-26 | 2021-01-26 | Brake shoe angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112758129A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4051928A (en) * | 1975-05-30 | 1977-10-04 | Tokico Ltd. | Automatic shoe clearance adjusting device in shoe drum brake |
| CN1044074A (en) * | 1989-01-12 | 1990-07-25 | 吴秀兰 | A kind of train brake shoe regulator |
| CN2446003Y (en) * | 2000-09-25 | 2001-09-05 | 大连机车车辆厂 | Block brake unit |
| CN101439723A (en) * | 2008-12-29 | 2009-05-27 | 南车南京浦镇车辆有限公司 | Adaptive wheel tread break unit |
| CN101962027A (en) * | 2010-09-30 | 2011-02-02 | 齐齐哈尔轨道交通装备有限责任公司 | Bogie braking device and rail wagon |
| CN207433550U (en) * | 2017-10-12 | 2018-06-01 | 湖北时瑞达重型工程机械有限公司 | A kind of truck brake rigging device |
| CN111994123A (en) * | 2020-09-27 | 2020-11-27 | 成都工业学院 | Automatic adjusting structure for brake shoe of hanging brake beam and assembling and using method thereof |
-
2021
- 2021-01-26 CN CN202110106159.1A patent/CN112758129A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4051928A (en) * | 1975-05-30 | 1977-10-04 | Tokico Ltd. | Automatic shoe clearance adjusting device in shoe drum brake |
| CN1044074A (en) * | 1989-01-12 | 1990-07-25 | 吴秀兰 | A kind of train brake shoe regulator |
| CN2446003Y (en) * | 2000-09-25 | 2001-09-05 | 大连机车车辆厂 | Block brake unit |
| CN101439723A (en) * | 2008-12-29 | 2009-05-27 | 南车南京浦镇车辆有限公司 | Adaptive wheel tread break unit |
| CN101962027A (en) * | 2010-09-30 | 2011-02-02 | 齐齐哈尔轨道交通装备有限责任公司 | Bogie braking device and rail wagon |
| CN207433550U (en) * | 2017-10-12 | 2018-06-01 | 湖北时瑞达重型工程机械有限公司 | A kind of truck brake rigging device |
| CN111994123A (en) * | 2020-09-27 | 2020-11-27 | 成都工业学院 | Automatic adjusting structure for brake shoe of hanging brake beam and assembling and using method thereof |
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Application publication date: 20210507 |