CN111674422A - Anti-drop connection structure of brake lining and brake lining support - Google Patents
Anti-drop connection structure of brake lining and brake lining support Download PDFInfo
- Publication number
- CN111674422A CN111674422A CN202010587014.3A CN202010587014A CN111674422A CN 111674422 A CN111674422 A CN 111674422A CN 202010587014 A CN202010587014 A CN 202010587014A CN 111674422 A CN111674422 A CN 111674422A
- Authority
- CN
- China
- Prior art keywords
- brake pad
- lock iron
- support
- side wall
- shaft
- Prior art date
- 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
Links
Images
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
- B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides an anti-drop connecting structure of a brake pad and a brake pad support, which comprises a brake pad support, a brake pad, a lock iron and a lever; the inner side wall of the brake pad support is provided with a dovetail groove extending in the vertical direction; the brake disc is provided with a dovetail bead which is matched and inserted in the dovetail groove; the left end and the right end of the lock iron are in pin joint with the outer side wall of the brake pad holder; the inner side wall of the lock iron extends to the inner side of the brake pad holder; the lower end surface of the brake pad is connected with the upper end surface of the lock iron; the lower hinged support of the outer side wall of the brake pad support is connected with the lower hinged node of the lever through a lower hinged shaft; the upper end of the lower articulated shaft is provided with a limit pin; the lower end of the lower articulated shaft is provided with a limiting seat; a compression spring is arranged between the upper end surface of the limiting seat and the lower end surface of the lower hinged support; the compression spring is sleeved on the periphery of the lower hinged shaft; the side wall of the limiting seat is connected with the outer side wall of the lock iron; the limiting seat can overcome the elasticity of the compression spring and move upwards to the upper part of the lock iron. When the connecting pin shaft between the lock iron and the mounting boss is broken, the lower hinged shaft plays a role of stopping, and the lock iron cannot be separated.
Description
Technical Field
The invention belongs to a brake pad support structure of a bogie foundation brake clamp, and particularly relates to an anti-falling connecting structure of a brake pad and a brake pad support.
Background
At present, brake pads of bogie foundation brake clamps at home and abroad are stopped by lock irons, the main action structures of the brake pads are shown in figures 1 and 2 in detail, the brake pads and brake pad supports are installed through vertical dovetail grooves, the brake pad supports do not have a stopping structure for the brake pads in the vertical direction, and the lock irons are inserted into the brake pad supports and then play a vertical stopping role for the brake pads. The lock iron is connected with the brake pad support through two pin shafts. When the brake pad needs to be disassembled and assembled, one pin shaft is disassembled, the lock iron is rotated, and the brake pad can be disassembled along the dovetail groove in a sliding mode.
Once the pin shaft is broken or the pin shaft and the lock iron are not installed in place, the lock iron can be rotated to be opened, and then the brake lining falls off, so that accidents are caused.
Disclosure of Invention
In order to solve the problems, the invention provides an anti-falling connecting structure of a brake pad and a brake pad support, when a connecting pin shaft between a lock iron and an installation boss is broken, a lower hinged shaft plays a role of stopping, and the lock iron cannot fall off so that the brake pad cannot fall off.
The technical scheme is as follows: the invention provides an anti-drop connecting structure of a brake pad and a brake pad support, which comprises a brake pad support, a brake pad, a lock iron and a lever; the inner side wall of the brake pad support is provided with a dovetail groove extending in the vertical direction; the brake pad is provided with a dovetail rib extending in the vertical direction; the dovetail convex edge of the brake pad is inserted in the dovetail groove of the brake pad support in a matching manner; the lower part of the outer side wall of the brake pad support is provided with two horizontally arranged mounting bosses; a through groove is formed between the two mounting bosses; the left end and the right end of the lock iron are in pin joint with the mounting bosses; the inner side wall of the lock iron penetrates through the through groove to extend to the inner side of the brake pad holder; the lower end face of the brake pad is connected with the upper end face of the lock iron; the outer side wall of the brake pad support is provided with an upper hinged support and a lower hinged support which are vertically arranged; the lever is provided with an upper hinge joint and a lower hinge joint; the upper hinged support is connected with the upper hinged node through an upper hinged shaft; the lower hinged support is connected with the lower hinged node through a lower hinged shaft; the upper end of the lower hinged shaft is provided with a limiting pin; the lower end of the lower hinged shaft is provided with a limiting seat; a compression spring is arranged between the upper end surface of the limiting seat and the lower end surface of the lower hinged support; the compression spring is sleeved on the periphery of the lower hinge shaft; when the lower hinged shaft is in a free state, the side wall of the limiting seat is connected with the outer side wall of the lock iron; when the limiting seat overcomes the elasticity of the compression spring to move upwards, the limiting seat is positioned above the lock iron.
Further, the lower hinged support comprises an upper hinged lug and a lower hinged lug which are arranged at an interval from top to bottom; the lower hinge joint is inserted between the upper hinge lug and the lower hinge lug; the upper hinge lug, the lower hinge lug and the lower hinge node are provided with through hinge holes; the lower hinge shaft is inserted in the hinge hole.
Furthermore, one end of the lock iron is pinned on a mounting boss through a C-shaped elastic cylindrical pin; the other end of the locking iron is pinned on another mounting boss through a locking spring.
Furthermore, two ends of the lock iron are respectively connected on a mounting boss through round pins with holes; and a cotter pin is inserted into the end opening of the hole-opening round pin.
Has the advantages that:
according to the invention, the lever and the brake pad holder are connected through the separated upper hinged shaft and the lower hinged shaft, when the brake pad holder is normally used, the lower hinged shaft is in a free state, and the side wall of the limiting seat is connected with the outer side wall of the lock iron; when the connecting pin shaft between the lock iron and the mounting boss is broken, the lower hinge shaft plays a role of stopping, and the lock iron cannot be separated so that the brake pad cannot be separated;
when the brake pad needs to be replaced, after the connecting pin shaft is opened, external force is applied to enable the limiting seat to overcome the elastic force of the compression spring to move upwards, and the limiting seat is located above the lock iron; then the lock iron is opened, and the brake pad is replaced; after the replacement is completed, the compression spring is extended to restore the lower hinge shaft.
Drawings
FIG. 1 is a schematic exploded view of a prior art;
FIG. 2 is a schematic diagram of a prior art structure;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view illustrating a coupling structure of a brake pad holder and a lower hinge shaft according to the present invention;
FIG. 5 is a schematic structural diagram of a first connection scheme of the lock iron and the mounting boss of the present invention;
fig. 6 is a schematic structural view of a second connection scheme of the lock iron and the mounting boss.
Detailed Description
Referring to fig. 3, the invention provides an anti-drop connecting structure for a brake pad and a brake pad holder, comprising a brake pad holder 1, a brake pad 2, a lock iron 3 and a lever 4. The inner side wall of the brake pad support 1 is provided with a dovetail groove extending in the vertical direction; the brake lining 2 is provided with a dovetail rib extending in the vertical direction; the dovetail convex edge of the brake pad 2 is inserted in the dovetail groove of the brake pad holder 1 in a matching manner.
The lower part of the outer side wall of the brake pad holder 1 is provided with two horizontally arranged mounting bosses 101; a through groove 102 is arranged between the two mounting bosses 101; the left end and the right end of the lock iron 3 are in pin joint with the mounting bosses 101. The connecting pin shaft between the locking iron 3 and the mounting boss 101 has the following two schemes:
in a first scheme, as shown in fig. 5, one end of the lock iron 3 is pinned on a mounting boss 101 through a C-shaped elastic cylindrical pin 301; the other end of the lock iron 3 is pinned on the other mounting boss 101 through a locking spring 302. The locking spring 302 is pried open by a crowbar, the locking iron 3 can rotate by taking the C-shaped elastic cylindrical pin 301 as a rotating shaft, and then the brake pad 2 is disassembled and assembled.
Scheme two, as shown in fig. 6, two ends of the lock iron 3 are respectively pinned on a mounting boss 101 through a round pin 303 with a hole; the end opening of the opening round pin 303 is inserted with an opening pin 304. After the cotter 304 is pulled out, the round pin 303 with holes can be taken out, and then the lock iron 3 is rotated out to disassemble and assemble the brake lining 2.
The inner side wall of the lock iron 3 passes through the through groove 102 and extends to the inner side of the brake pad holder 1; the lower end face of the brake lining 2 is connected with the upper end face of the lock iron 3, and the brake lining 2 is limited in the vertical direction.
The outer side wall of the brake pad support 1 is provided with an upper hinged support 103 and a lower hinged support 104 which are vertically arranged; an upper hinge joint 401 and a lower hinge joint 402 are arranged on the lever 4; the upper hinge support 103 is connected with an upper hinge node 401 through an upper hinge shaft 5; lower pivoting support 104 is connected to lower hinge joint 402 by lower hinge axis 6.
As shown in fig. 4, the lower hinge support 104 includes an upper hinge lug and a lower hinge lug spaced up and down; the lower hinge joint 402 is inserted between the upper hinge lug and the lower hinge lug; the upper hinge lug, the lower hinge lug and the lower hinge node 402 are provided with through hinge holes; the lower hinge shaft 6 is inserted in the hinge hole.
The upper end of the lower hinged shaft 6 is provided with a limiting pin 601; the lower end of the lower articulated shaft 6 is provided with a limiting seat 602; a compression spring 603 is arranged between the upper end surface of the limiting seat 602 and the lower end surface of the lower hinged support 104; the compression spring 603 is fitted around the outer circumference of the lower hinge shaft 6.
When the lock is normally used, the lower hinge shaft 6 is in a free state, and the side wall of the limiting seat 602 is connected with the outer side wall of the lock iron 3; even if the connecting pin shaft between the lock iron 3 and the installation boss 101 is broken, the lower articulated shaft 6 plays a role of stopping, and the lock iron can not be separated, so that the brake pad can not be separated.
When the brake pad needs to be replaced, after the connecting pin shaft is opened, external force is applied to enable the limiting seat 602 to overcome the elastic force of the compression spring 603 to move upwards, and the limiting seat 602 is located above the lock iron 3; then the lock iron 3 is opened to carry out the replacement operation of the brake pad 2; after the replacement is completed, the compression spring 603 extends to restore the lower hinge shaft 6;
when the lower hinged shaft 6 needs to be detached, the limiting pin 601 is detached, and the lower hinged shaft 6 and the compression spring 603 can be sequentially detached to realize the disassembly.
Referring to fig. 1 and 2, in the prior art, a lever 4 is connected with a brake pad holder 1 through a through hinge shaft, and the lever 4 and the brake pad holder 1 are connected through a separated upper hinge shaft 5 and a separated lower hinge shaft 6, so that the lower hinge shaft 6 can move up and down.
Claims (4)
1. An anti-drop connecting structure of a brake pad and a brake pad support comprises the brake pad support (1), the brake pad (2), a lock iron (3) and a lever (4); a dovetail groove extending in the vertical direction is formed in the inner side wall of the brake pad support (1); the brake pad (2) is provided with a dovetail rib extending in the vertical direction; the dovetail convex edge of the brake pad (2) is inserted into the dovetail groove of the brake pad holder (1) in a matching manner; the lower part of the outer side wall of the brake pad holder (1) is provided with two horizontally arranged mounting bosses (101); a through groove (102) is arranged between the two mounting bosses (101); the left end and the right end of the lock iron (3) are in pin joint with the mounting boss (101); the inner side wall of the lock iron (3) penetrates through the through groove (102) to extend to the inner side of the brake pad holder (1); the lower end surface of the brake pad (2) is connected with the upper end surface of the lock iron (3); the method is characterized in that: the outer side wall of the brake pad support (1) is provided with an upper hinged support (103) and a lower hinged support (104) which are vertically arranged; an upper hinge joint (401) and a lower hinge joint (402) are arranged on the lever (4); the upper hinged support (103) is connected with the upper hinged node (401) through an upper hinged shaft (5); the lower hinged support (104) is connected with the lower hinged node (402) through a lower hinged shaft (6); the upper end of the lower hinged shaft (6) is provided with a limiting pin (601); the lower end of the lower articulated shaft (6) is provided with a limiting seat (602); a compression spring (603) is arranged between the upper end face of the limiting seat (602) and the lower end face of the lower hinged support (104); the compression spring (603) is sleeved on the periphery of the lower hinge shaft (6); when the lower hinged shaft (6) is in a free state, the side wall of the limiting seat (602) is connected with the outer side wall of the lock iron (3); when the limiting seat (602) moves upwards against the elastic force of the compression spring (603), the limiting seat (602) is positioned above the lock iron (3).
2. The anti-drop connection structure of the brake pad and the brake pad holder according to claim 1, characterized in that: the lower hinged support (104) comprises an upper hinged lug and a lower hinged lug which are arranged at intervals up and down; the lower hinge joint (402) is inserted between the upper hinge lug and the lower hinge lug; the upper hinge lug, the lower hinge lug and the lower hinge node (402) are provided with through hinge holes; the lower hinge shaft (6) is inserted in the hinge hole.
3. The anti-drop connecting structure of the brake pad and the brake pad holder according to claim 1 or 2, characterized in that: one end of the lock iron (3) is pinned on a mounting boss (101) through a C-shaped elastic cylindrical pin (301); the other end of the locking iron (3) is pinned on the other mounting boss (101) through a locking spring (302).
4. The anti-drop connecting structure of the brake pad and the brake pad holder according to claim 1 or 2, characterized in that: two ends of the lock iron (3) are respectively connected on one mounting boss (101) through a round pin (303) with a hole in a pin mode; the end opening of the opening round pin (303) is inserted with a cotter pin (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587014.3A CN111674422A (en) | 2020-06-24 | 2020-06-24 | Anti-drop connection structure of brake lining and brake lining support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587014.3A CN111674422A (en) | 2020-06-24 | 2020-06-24 | Anti-drop connection structure of brake lining and brake lining support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111674422A true CN111674422A (en) | 2020-09-18 |
Family
ID=72437183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010587014.3A Pending CN111674422A (en) | 2020-06-24 | 2020-06-24 | Anti-drop connection structure of brake lining and brake lining support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111674422A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206694479U (en) * | 2017-05-16 | 2017-12-01 | 中车青岛四方车辆研究所有限公司 | Brake plate support component and gripping mechanism and disc brake apparatus containing the brake plate support component |
| CN206816715U (en) * | 2017-06-06 | 2017-12-29 | 克诺尔车辆设备(苏州)有限公司 | Brake plate support and brake apparatus and vehicle with the brake plate support |
| CN206816713U (en) * | 2017-06-06 | 2017-12-29 | 克诺尔车辆设备(苏州)有限公司 | Brake plate support and brake apparatus and vehicle with the brake plate support |
| CN207777469U (en) * | 2018-01-17 | 2018-08-28 | 中国铁道科学研究院 | Brake plate support protective device |
| CN209510961U (en) * | 2018-12-24 | 2019-10-18 | 谢非 | A kind of anti-drop device of train brake plate buting iron round pin |
| CN111059176A (en) * | 2019-11-19 | 2020-04-24 | 中车株洲电力机车有限公司 | Brake lining support device with deflection prevention function |
-
2020
- 2020-06-24 CN CN202010587014.3A patent/CN111674422A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206694479U (en) * | 2017-05-16 | 2017-12-01 | 中车青岛四方车辆研究所有限公司 | Brake plate support component and gripping mechanism and disc brake apparatus containing the brake plate support component |
| CN206816715U (en) * | 2017-06-06 | 2017-12-29 | 克诺尔车辆设备(苏州)有限公司 | Brake plate support and brake apparatus and vehicle with the brake plate support |
| CN206816713U (en) * | 2017-06-06 | 2017-12-29 | 克诺尔车辆设备(苏州)有限公司 | Brake plate support and brake apparatus and vehicle with the brake plate support |
| CN207777469U (en) * | 2018-01-17 | 2018-08-28 | 中国铁道科学研究院 | Brake plate support protective device |
| CN209510961U (en) * | 2018-12-24 | 2019-10-18 | 谢非 | A kind of anti-drop device of train brake plate buting iron round pin |
| CN111059176A (en) * | 2019-11-19 | 2020-04-24 | 中车株洲电力机车有限公司 | Brake lining support device with deflection prevention function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101449079B (en) | Disk brake and lining carrier and pressure plate for a disk brake of said type | |
| CN110617370B (en) | Petrochemical pipeline installing support | |
| CN111674422A (en) | Anti-drop connection structure of brake lining and brake lining support | |
| CN204140703U (en) | Drum brake | |
| CN101560793A (en) | Universal spherical joint supporter with anti-loosening position-limiting structure | |
| CN201729190U (en) | Automobile steering pull rod ball head assembly | |
| CN113136895B (en) | Assembled falling buffer type stainless steel well lid and assembling method thereof | |
| CN202208595U (en) | Special lifting appliance for PCCP (Pre-stressed Concrete Cylinder Pipe) processing | |
| CN112768316B (en) | Energy storage mechanism for spring operating mechanism | |
| CN220549162U (en) | Locking structure of folding vertical pipe | |
| CN112591328A (en) | Inspection door assembly of circular silo | |
| CN204982450U (en) | Drum washing machine | |
| CN209190666U (en) | A kind of disassembling fixture | |
| CN210796342U (en) | Coke pot lining plate anti-drop device and coke pot lining plate thereof | |
| CN217994024U (en) | Rotating sleeve for rotating hook tail frame | |
| CN220941125U (en) | Safe and reliable access door structure of vertical shaft type impact crusher | |
| CN214564570U (en) | Battery package mounting structure | |
| CN219364323U (en) | Bridge edge protection structure | |
| CN217378622U (en) | Bridge supporting component and bridge | |
| CN206637049U (en) | Single-seat adjusting valve | |
| CN101301875B (en) | Vehicle-mounted instrument mounting structure | |
| CN201162834Y (en) | Non-abrasion hard-sealing butterfly valve | |
| CN215483130U (en) | Inspection well cover | |
| CN208960096U (en) | A kind of connection structure of coal-grinding apparatus | |
| CN215214471U (en) | Pneumatic brake convenient to change friction disc |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200918 |
|
| RJ01 | Rejection of invention patent application after publication |