CN114001109A - Secondary anti-falling structure for brake pad holder - Google Patents
Secondary anti-falling structure for brake pad holder Download PDFInfo
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- CN114001109A CN114001109A CN202111246515.6A CN202111246515A CN114001109A CN 114001109 A CN114001109 A CN 114001109A CN 202111246515 A CN202111246515 A CN 202111246515A CN 114001109 A CN114001109 A CN 114001109A
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- brake pad
- limiting
- section
- locking block
- locking
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- 230000000670 limiting effect Effects 0.000 claims abstract description 162
- 238000000926 separation method Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005191 phase separation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a secondary anti-disengaging structure of a brake pad holder, which comprises a locking block for fixing a brake pad arranged on the brake pad holder and a limiting column for limiting the position of the locking block, wherein the locking block is hinged on the brake pad holder; when the limiting column moves up or down to a position separated from the locking block, the locking block is rotated and separated from the brake pad. The invention solves the technical problem of poor installation stability of the brake pad.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a secondary anti-disengaging structure of a brake pad holder, and particularly relates to a secondary anti-disengaging structure of a brake pad holder of a brake clamp unit for a railway vehicle after the brake pad is installed.
Background
The basic braking of urban rails, urban areas, inter-city motor train units and main line railway high-speed motor train units with the speed of 100 kilometers or more adopts a disc braking form (namely, braking is carried out through brake pads), and the fixing form of the brake pads adopts a brake pad supporting and limiting locking block to be matched with a U-shaped pin for locking (namely, the brake pad supporting and limiting locking block is matched and clamped with the brake pads, and then the U-shaped pin is used for locking the positions of the brake pad supporting and limiting locking blocks). However, if foreign matter hits the U-shaped pin and the U-shaped pin fails during high-speed traveling of the vehicle, a brake pad falling failure may occur, and therefore, secondary falling prevention measures need to be taken for the brake pad holder locking block to improve the stability of the brake pad holder locking block fixing position.
Aiming at the problem of poor installation stability of the brake pad in the related technology, an effective solution is not provided at present.
Therefore, the inventor provides a secondary anti-falling structure of the brake pad holder by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a secondary brake pad holder anti-disengaging structure, which has the effect of secondary anti-disengaging by locking a brake pad holder limiting locking block through a limiting part, can enable the brake pad holder limiting locking block to be switched between a movable state and a locked state by adjusting the position of the limiting part, and is convenient to disassemble, assemble and replace brake pads on the premise of improving the installation stability of the brake pads.
The purpose of the invention can be realized by adopting the following technical scheme:
the invention provides a secondary anti-disengaging structure of a brake pad holder, which comprises a locking block for fixing a brake pad arranged on the brake pad holder and a limiting column for limiting the position of the locking block, wherein:
the locking block is hinged to the brake pad holder, the limiting column is positioned above or below the locking block and can be arranged on the brake pad holder in a vertically moving mode, and the limiting column can abut against one side, far away from the brake pad holder, of the locking block so as to fix the locking block and enable the locking block to be clamped with the brake pad;
when the limiting column moves up or down to a position separated from the locking block, the locking block is rotated and separated from the brake pad.
In a preferred embodiment of the present invention, the secondary anti-disengaging structure of the brake pad holder further includes a limiting block for limiting a moving position of the limiting column, the limiting block is a cylindrical structure which is arranged along a vertical direction and has openings at both ends, an accommodating cavity which is communicated with the openings is formed inside the limiting block, and the limiting column is arranged in the accommodating cavity in a manner of being capable of moving up and down.
In a preferred embodiment of the present invention, a limiting plate is plugged at the opening of the limiting block, which is far away from one end of the locking block, a through hole is formed in the limiting plate, and a limiting boss is arranged along the edge of the opening, which is near to one end of the locking block, on the limiting block;
spacing post includes drive section, main part section and contact section, the one end of drive section is passed the through-hole stretches out to the outside in holding chamber, the other end of drive section with the one end of main part section is connected, the main part section with the drive section all is located the holding intracavity, the other end of main part section with the one end of contact section is connected just the edge of main part section with spacing boss butt, the contact section passes be close to on the stopper locking piece one end the opening stretches out to the outside in holding chamber, just the lateral wall of contact section with the locking piece offsets.
In a preferred embodiment of the present invention, the contact section, the main body section and the driving section are all cylindrical structures, and the cross-sectional area of the contact section and the cross-sectional area of the driving section are both smaller than the cross-sectional area of the main body section.
In a preferred embodiment of the present invention, a return spring is sleeved on the driving section, and two ends of the return spring respectively abut against the main body section and the limiting plate.
In a preferred embodiment of the present invention, a first groove is formed on the main body segment at a position opposite to the return spring, a second groove is formed on the limiting plate at a position opposite to the return spring, and two ends of the return spring are respectively embedded into the first groove and the second groove.
In a preferred embodiment of the present invention, the outer wall of the main body section is provided with a guide hole, two ends of the guide hole to the middle thereof are inclined from being close to the driving section to being close to the contact section, the limiting block is fixedly provided with a guide screw, and a tail portion of the guide screw can be movably inserted into the guide hole.
In a preferred embodiment of the present invention, locking holes communicating with the guide holes are formed at both ends of the guide holes, respectively, and the locking holes extend in a circumferential direction of the main body section.
In a preferred embodiment of the present invention, the limiting block is provided with a mounting hole, a guide screw is movably disposed in the mounting hole, and a tail of the guide screw passes through the mounting hole and is fixedly connected to the limiting post;
the limiting block is further provided with a limiting hole communicated with the mounting hole, the limiting hole is located on one side, away from the contact section, of the mounting hole, the limiting hole is a long-strip-shaped through hole formed in the horizontal direction, and the mounting hole is opposite to the middle of the limiting hole.
In a preferred embodiment of the present invention, a clamping groove is formed on one end of the driving section, which extends out of the accommodating cavity.
In a preferred embodiment of the present invention, the locking block is a flat plate-shaped structure disposed along a horizontal direction, a locking pin is disposed between the locking block and the brake pad holder, a clamping groove is disposed on one side of the locking block close to the brake pad holder, and a protruding portion of the brake pad is clamped in the clamping groove.
In a preferred embodiment of the present invention, the locking pin is a U-shaped pin having elasticity, and two ends of the locking pin are respectively connected to the locking block and the brake pad holder.
From the above, the secondary anti-falling structure of the brake pad holder of the invention has the characteristics and advantages that: the brake pad can be locked on the brake pad support by clamping the locking block hinged on the brake pad support with the brake pad, so that the brake pad is prevented from being separated from the brake pad support; in addition, a limiting column capable of moving up and down is arranged on the brake pad holder and can abut against the locking block to lock the position of the locking block, so that the brake pad is further prevented from being separated from the brake pad holder, and the secondary anti-falling effect of the brake pad holder is achieved; when the brake pad needs to be replaced, the locking block can be rotated and separated from the brake pad only by moving the limiting column to a position separated from the locking block, and the locking block and the limiting column are reset in sequence after the brake pad is replaced.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
Wherein:
FIG. 1: is one of the front views of the secondary anti-falling structure of the brake pad holder of the present invention.
FIG. 2: is a cross-sectional view taken along the line a-a in fig. 1.
FIG. 3: a partial enlarged view of the position B in fig. 2.
FIG. 4: is one of the schematic structural diagrams of the spacing column in the secondary anti-falling structure of the brake pad holder of the present invention.
FIG. 5: the second schematic structural diagram of the spacing column in the secondary anti-falling structure of the brake pad holder of the present invention.
FIG. 6: is the second front view of the secondary anti-releasing structure of the brake pad holder of the present invention.
FIG. 7: is a cross-sectional view in the direction C-C in fig. 6.
FIG. 8: a partial enlarged view of the position D in fig. 7.
FIG. 9: the invention provides an assembly schematic diagram of a limiting block and a limiting column in a secondary anti-falling structure of a brake pad support.
The reference numbers in the invention are:
1. a brake pad support; 2. A locking block;
3. a locking pin; 4. A limiting block;
401. an accommodating cavity; 402. A limiting hole;
403. a limiting boss; 404. Mounting holes;
5. a limiting column; 501. A main body section;
502. a contact section; 503. A drive section;
504. a card slot; 505. A guide hole;
506. a first groove; 5051. A locking hole;
6. a guide screw; 7. A return spring;
8. a limiting plate; 801. A second groove.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 to 9, the present invention provides a secondary anti-disengaging structure for a brake pad holder, which includes a locking block 2 and a limiting post 5, wherein the locking block 2 is used for fixing a brake pad (not shown) mounted on the brake pad holder 1, and the limiting post 5 is used for limiting the position of the locking block 2. Wherein: the locking block 2 is hinged on the outer wall of the lower part of the brake pad support 1, the limiting column 5 can be positioned above or below the locking block 2, the limiting column 5 can be arranged on the brake pad support 1 in a vertically moving mode, the limiting column 5 can abut against one side, far away from the brake pad support 1, of the locking block 2 to fix the locking block 2 to prevent the locking block from rotating in the direction far away from the brake pad support 1, and therefore the locking block 2 is clamped with a brake pad arranged on the brake pad support 1, and the brake pad is locked; when adjusting spacing post 5 and move up or move down to the position with locking block 2 phase separation, spacing post 5 no longer locks the position of locking block 2, and locking block 2 can rotate for the pivot by articulated position, at this moment, can rotate locking block 2 and make its and brake lining phase separation to take off the brake lining from brake lining support 1, accomplish the dismantlement and the change work of brake lining.
According to the invention, the brake pad can be locked on the brake pad holder 1 by clamping the locking block 2 hinged on the brake pad holder 1 with the brake pad, so that the brake pad is prevented from being separated from the brake pad holder 1; in addition, a limiting column 5 capable of moving up and down is arranged on the brake pad holder 1, the limiting column 5 can abut against the locking block 2 to lock the position of the locking block 2, the brake pad is further prevented from being separated from the brake pad holder 1, and the secondary anti-falling effect of the brake pad holder is achieved; when the brake lining needs to be replaced, only the position of the limiting column 5 separated from the locking block 2 needs to be moved, the locking block 2 can be rotated and separated from the brake lining, and the locking block 2 and the limiting column 5 are reset in sequence after the brake lining is replaced.
In an optional embodiment of the present invention, as shown in fig. 1 to 3 and 6 to 9, the secondary anti-disengaging structure of the brake pad holder further includes a limiting block 4, the limiting block 4 is a cylindrical structure which is arranged along the vertical direction and has an opening at both the top end and the bottom end, the limiting block 4 is fixed on the outer wall of the brake pad holder 1 and is located at the middle position of the brake pad holder 1, an accommodating cavity 401 which is communicated with the opening is formed inside the limiting block 4, and the limiting column 5 is arranged in the accommodating cavity 401 in a manner of being capable of moving up and down. The limiting block 4 is arranged to provide a mounting position for the limiting column 5, and the moving position of the limiting column 5 can be limited.
Further, as shown in fig. 3 to 5, 8 and 9, an opening of the limiting block 4, which is far away from one end of the locking block 2, is blocked with a limiting plate 8, a through hole communicated with the accommodating cavity 401 is formed in the middle of the limiting plate 8, and an annular limiting boss 403 is arranged on the opening of the limiting block 4, which is close to one end of the locking block 2, along the inner side edge of the opening; the limiting column 5 comprises a driving section 503, a main section 501 and a contact section 502, one end of the driving section 503 passes through a through hole on the limiting plate 8 and extends out of the accommodating cavity 401, the other end of the driving section 503 is connected with one end of the main section 501, the main section 501 and the driving section 503 are both located in the accommodating cavity 401, the other end of the main section 501 is connected with one end of the contact section 502, a step formed by the edge of the main section 501 abuts against the limiting boss 403, the contact section 502 passes through an opening on the limiting block 4 close to one end of the locking block 2 and extends out of the accommodating cavity 401, and the side wall of the contact section 502 abuts against the locking block 2 to lock the position of the locking block 2. In the invention, the upward moving position and the downward moving position of the limiting column 5 are respectively limited by the limiting boss 403 on the limiting block 4 and the limiting plate 8 arranged on the limiting block 4, so that the limiting column 5 is prevented from being separated from the limiting block 4.
Specifically, as shown in fig. 4 and 5, the contact section 502, the body section 501 and the driving section 503 are all cylindrical structures, and the cross-sectional area of the contact section 502 and the cross-sectional area of the driving section 503 are both smaller than the cross-sectional area of the body section 501.
Further, the contact section 502, the body section 501 and the driving section 503 may be, but are not limited to, an integrally formed structure.
In an alternative embodiment of the present invention, as shown in fig. 3 and 8, a return spring 7 is sleeved on the driving segment 503, and two ends of the return spring 7 respectively abut against the main body segment 501 and the limiting plate 8. When the limiting column 5 is moved, the main body section 501 of the limiting column 5 extrudes the return spring 7; after the brake lining is replaced, under the elastic force action of the reset spring 7, the limiting column 5 can automatically restore to the position where the contact section 502 of the limiting column is abutted to the locking block 2, the position of the locking block 2 is locked again, and the secondary anti-falling effect is achieved.
Further, as shown in fig. 3 and 8, an annular first groove 506 is formed in the main body segment 501 at a position opposite to the return spring 7, an annular second groove 801 is formed in the position opposite to the return spring 7 on the limit plate 8, one end of the return spring 7 is embedded in the first groove 506, and the other end of the return spring 7 is embedded in the second groove 801. The arrangement position of the return spring 7 is positioned by the cooperation of the first groove 506 and the second groove 801, so that the return spring 7 is ensured to perform the elastic return function.
In an alternative embodiment of the present invention, as shown in fig. 1 to 4, a guide hole 505 is formed on an outer wall of the main body section 501, two ends of the guide hole 505 to a middle portion thereof are inclined toward the contact section 502 by being close to the driving section 503, a guide screw 6 is fixedly disposed on the limit block 4, and a tail portion of the guide screw 6 can be movably inserted into the guide hole 505. When the brake pad does not need to be detached and replaced, under the action of the elastic force of the return spring 7, the contact section 502 of the limiting column 5 is ejected out of the accommodating cavity 401 and abutted against the locking block 2 to lock the position of the locking block 2, and at the moment, the guide screw 6 is positioned in the middle of the guide hole 505; when the brake pad needs to be disassembled and replaced, only the limiting column 5 needs to be screwed (the limiting column 5 can be screwed in the clockwise direction or the anticlockwise direction), the guide screw 6 is matched with the guide hole 505, the guide and limiting effects are achieved on the movement of the limiting column 5, the limiting column 5 is moved to the position separated from the locking block 2, and at the moment, the guide screw 6 is moved to the end part of the guide hole 505; after the replacement of the brake pad is completed, the guide screw 6 automatically moves to the middle of the guide hole 505 due to the elastic force of the return spring 7, and at this time, the return spring 7 ejects the contact section 502 of the limiting column 5 again and locks the position of the locking block 2.
Further, the guiding hole 505 may be, but is not limited to, an arc-shaped through hole or an angular through hole.
In an alternative embodiment of the present invention, as shown in fig. 5, both ends of the guide hole 505 are respectively formed with a locking hole 5051 communicating with the guide hole 505, and the locking hole 5051 extends in the circumferential direction of the main body section 501. In the process of detaching and replacing the brake pad, the guide screw 6 moves to the end of the guide hole 505 and enters the locking hole 5051, the guide screw 6 can be locked through the locking hole 5051, the guide screw 6 is prevented from automatically resetting under the action of the elastic force of the return spring 7, at the moment, the guide screw 6 can be moved out of the locking hole 5051 only by manually rotating the limiting column 5 by a worker, so that the return spring 7 ejects the contact section 502 of the limiting column 5 and locks the position of the locking block 2 again.
In an optional embodiment of the present invention, as shown in fig. 8 and 9, a mounting hole 404 is formed on the limiting block 4, a guide screw 6 is movably disposed in the mounting hole 404, and a tail portion of the guide screw 6 passes through the mounting hole 404 and is fixedly connected with the limiting post 5; the limiting block 4 is further provided with a limiting hole 402 communicated with the mounting hole 404, the limiting hole 402 is located on one side, away from the contact section 502, of the mounting hole 404, the limiting hole 402 is a long strip-shaped through hole formed in the horizontal direction, and the mounting hole 404 is opposite to the middle of the limiting hole 402. In the process of disassembling and replacing the brake pad, the guide screw 6 is pressed towards the direction of the limiting hole 402, the guide screw 6 is moved into the limiting hole 402 from the mounting hole 404, at the moment, the limiting column 5 synchronously moves to the position separated from the locking block 2 along with the guide screw 6, the brake pad can be taken down, and the effect of locking the guide screw 6 through the limiting hole 402 is achieved; after the brake pad is detached and replaced, the guide screw 6 needs to be manually pulled by a worker, and the guide screw 6 automatically enters the mounting hole 404 under the elastic force action of the return spring 7, so that the return spring 7 ejects the contact section 502 of the limiting column 5 and locks the position of the locking block 2 again.
In an alternative embodiment of the present invention, as shown in fig. 3 to 5 and 8, a clamping groove 504 is formed at an end of the driving section 503 extending out of the accommodating cavity 401, so that a worker can insert a tool into the clamping groove 504, thereby facilitating the rotation of the position-limiting post 5.
Further, the slot 504 may be, but not limited to, a "straight" groove, a "cross" groove, a hexagonal groove, or a quincunx groove, etc., and it is sufficient to ensure that the slot 504 is adapted to the plug of the tool.
In an alternative embodiment of the present invention, as shown in fig. 1 and 6, the locking block 2 is a flat plate-shaped structure arranged along a horizontal direction, the locking pin 3 is arranged between the locking block 2 and the brake pad holder 1, a clamping groove (not shown) is arranged on one side of the locking block 2 close to the brake pad holder 1, a protruding position (not shown) matched with the clamping groove is arranged on the brake pad, and when the brake pad is mounted on the brake pad holder 1, the protruding position on the brake pad is clamped in the clamping groove. Locking block 2 and brake lining support 1's position through stop pin 3, improving the stability of locking block 2, avoiding locking block 2 malfunction, when needs are dismantled and are changed the brake lining, need the staff to adopt tools such as spanner to rotate locking pin 3, could remove locking block 2 to the position of holding in the palm 1 phase separation with the brake lining, accomplish the work of brake lining dismantlement and change.
Specifically, as shown in fig. 1 and 6, the locking pin 3 is an elastic U-shaped pin, one end of the locking pin 3 is connected to the locking block 2, and the other end of the locking pin 3 is connected to the brake pad holder 1.
The use process of the secondary anti-falling structure of the brake pad support comprises the following steps:
using method one (one of the positions of the limiting column 5 needs to be adjusted by a tool):
as shown in fig. 1 to 4, a worker inserts a tool into the slot 504 of the limiting post 5, and rotates the limiting post 5 leftward or rightward (in any direction) by the tool, and due to the guiding effect of the guide hole 505 on the guide screw 6, the limiting post 5 moves downward synchronously with the guide screw 6 and compresses the return spring 7 in the accommodating cavity 401 (the worker cannot release the limiting post 5 all the time in the above process); after the spacing post 5 removed the position with locking piece 2 phase separation, the staff need pull locking pin 3 in order to rotate locking piece 2, locking piece 2 and brake lining phase separation this moment, and the brake lining can be taken off from brake lining support 1 smoothly to can dismantle and change the brake lining. After the operation is finished, the worker only needs to use a tool to pull the locking pin 3 to reset, and loosen the limiting column 5, the limiting column 5 automatically moves upwards under the elastic action of the reset spring 7, and the contact section 502 of the limiting column 5 is ejected out of the accommodating cavity 401 to be abutted against the locking block 2, so that the secondary anti-falling effect is achieved.
The second use method (the second adjustment of the position of the limit post 5 by using a tool):
as shown in fig. 1 to 3 and 5, a worker inserts a tool into the slot 504 of the limiting post 5, rotates the limiting post 5 leftward or rightward (in any direction) by the tool, and due to the guiding effect of the guiding hole 505 on the guiding screw 6, the limiting post 5 synchronously moves downward along with the guiding screw 6 and compresses the return spring 7 in the accommodating cavity 401; after the limiting column 5 moves to the position separated from the locking block 2, the guide screw 6 moves to the locking hole 5051 at the end of the guide hole 505, the positions of the guide screw 6 and the limiting column 5 are locked by the locking hole 5051, the worker loosens the limiting column 5 at the moment, then the worker needs to pull the locking pin 3 to rotate the locking block 2, the locking block 2 is separated from the brake pad at the moment, and the brake pad can be smoothly taken down from the brake pad holder 1, so that the brake pad can be detached and replaced. After the operation is finished, the worker only needs to use a tool to pull the locking pin 3 to reset, and use the tool to slightly rotate the limiting column 5 to enable the guide screw 6 to move out of the locking hole 5051, the limiting column 5 automatically moves upwards under the elastic action of the reset spring 7, and the contact section 502 of the limiting column 5 is ejected out of the accommodating cavity 401 to abut against the locking block 2, so that the secondary anti-falling effect is achieved.
Using method three (without adjusting the position of the limiting column 5 by adopting a tool):
as shown in fig. 6 to 9, the worker manually presses the guide screw 6 fixedly connected with the limiting post 5, the guide screw 6 is moved into the limiting hole 402 through the mounting hole 404 and pushes the guide screw 6 to one side, so that the limiting hole 402 limits the guide screw 6, due to the limiting effect of the limiting hole 402, the limiting post 5 cannot automatically reset, at this time, the limiting post 5 has moved to the position separated from the locking block 2, the worker needs to pull the locking pin 3 to rotate the locking block 2, and after the locking block 2 is separated from the brake pad, the brake pad can be smoothly taken down from the brake pad holder 1, so that the brake pad can be detached and replaced. After the operation is finished, the worker only needs to use a tool to pull the locking pin 3 to reset, and push the guide screw 6 to move to the position, opposite to the mounting hole 404, in the limiting hole 402, the limiting column 5 automatically moves upwards under the elastic action of the reset spring 7 (the guide screw 6 moves to the mounting hole 404 along with the limiting column 5), and the contact section 502 of the limiting column 5 is ejected out to the outside of the accommodating cavity 401 to be abutted against the locking block 2, so that the secondary anti-falling effect is achieved.
The secondary anti-falling structure of the brake pad holder has the characteristics and advantages that:
first, this brake lining holds in palm secondary anti-disengaging structure mounted position is nimble, can install spacing post 5 in the top or the below of locking block 2 according to actual conditions, easy to assemble and operation.
In two, this brake lining holds in palm secondary anti-disengaging structure, spacing post 5 and stopper 4 all are located the intermediate position that brake lining held in the palm 1, thereby the both sides that brake lining held in the palm 1 and the both sides of locking block 2 all are formed with the arch in the vehicle operation and play effectual guard action, avoid external foreign matter's striking, extension equipment life.
Thirdly, during the use of the brake pad support secondary anti-falling structure, a plurality of manual or automatic control modes can be adopted, and the position of the limiting column 5 can be adjusted by rotating the limiting column 5 to any direction, so that the aim of opening the locking block 2 is fulfilled; in addition, through the setting of reset spring 7, through automatic or manual all can realize the automatic re-setting of spacing post 5, reach the purpose of simplified operation, convenient control.
In four, this brake lining holds in palm secondary anti-disengaging structure, through the cooperation of locking piece 2, stop pin 3, stopper 4 and spacing post 5, to installation and the brake lining realization multiple locking on the brake lining holds in the palm 1, prevent effectively that brake lining and brake lining from holding in the palm 1 and breaking away from mutually, dismantle moreover and change brake lining convenient operation, reduce worker's intensity of labour, improve work efficiency.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (12)
1. The utility model provides a brake lining holds in palm secondary anti-disengaging structure, a serial communication port, brake lining holds in the palm secondary anti-disengaging structure includes to installing the brake lining on the brake lining holds in the palm the locking piece and right the position of locking piece carries out spacing post, wherein:
the locking block is hinged to the brake pad holder, the limiting column is positioned above or below the locking block and can be arranged on the brake pad holder in a vertically moving mode, and the limiting column can abut against one side, far away from the brake pad holder, of the locking block so as to fix the locking block and enable the locking block to be clamped with the brake pad;
when the limiting column moves up or down to a position separated from the locking block, the locking block is rotated and separated from the brake pad.
2. The secondary anti-disengaging structure for the brake lining support of claim 1, further comprising a limiting block for limiting the moving position of the limiting column, wherein the limiting block is a cylindrical structure which is vertically arranged and has two open ends, an accommodating cavity which is communicated with the opening is formed inside the limiting block, and the limiting column is vertically and movably arranged in the accommodating cavity.
3. The secondary anti-drop structure of the brake pad holder according to claim 2, wherein the limiting plate is blocked at the opening of the limiting block far from one end of the locking block, a through hole is formed in the limiting plate, and a limiting boss is arranged along the edge of the opening of the limiting block near one end of the locking block;
spacing post includes drive section, main part section and contact section, the one end of drive section is passed the through-hole stretches out to the outside in holding chamber, the other end of drive section with the one end of main part section is connected, the main part section with the drive section all is located the holding intracavity, the other end of main part section with the one end of contact section is connected just the edge of main part section with spacing boss butt, the contact section passes be close to on the stopper locking piece one end the opening stretches out to the outside in holding chamber, just the lateral wall of contact section with the locking piece offsets.
4. The secondary anti-separation structure for the brake pad holder of claim 3, wherein the contact section, the main body section and the driving section are all cylindrical structures, and the cross-sectional area of the contact section and the cross-sectional area of the driving section are smaller than the cross-sectional area of the main body section.
5. The secondary anti-drop structure of the brake pad holder of claim 3, wherein the driving section is sleeved with a return spring, and two ends of the return spring respectively abut against the main body section and the limiting plate.
6. The secondary anti-release structure for the brake pad holder according to claim 5, wherein a first groove is formed on the main body section at a position opposite to the return spring, a second groove is formed on the limiting plate at a position opposite to the return spring, and two ends of the return spring are respectively embedded into the first groove and the second groove.
7. The secondary anti-drop structure of the brake lining carrier as claimed in claim 3 or 5, wherein the outer wall of the main body section is provided with a guide hole, both ends of the guide hole to the middle thereof are inclined from being close to the driving section to being close to the contact section, the limiting block is fixedly provided with a guide screw, and the tail of the guide screw can be movably inserted into the guide hole.
8. The secondary anti-drop structure of the brake pad holder according to claim 7, wherein locking holes communicating with the guide holes are formed at both ends of the guide holes, respectively, and the locking holes extend in a circumferential direction of the body section.
9. The secondary brake lining support anti-disengaging structure of claim 3 or 5, wherein the limiting block is provided with a mounting hole, a guide screw is movably arranged in the mounting hole, and the tail of the guide screw passes through the mounting hole and is fixedly connected with the limiting column;
the limiting block is further provided with a limiting hole communicated with the mounting hole, the limiting hole is located on one side, away from the contact section, of the mounting hole, the limiting hole is a long-strip-shaped through hole formed in the horizontal direction, and the mounting hole is opposite to the middle of the limiting hole.
10. The secondary anti-drop structure of the brake pad holder of claim 3, wherein the end of the driving section extending out of the accommodating cavity is provided with a slot.
11. The secondary anti-release structure for the brake pad holder according to claim 1, wherein the locking block is a flat plate-shaped structure arranged along a horizontal direction, a locking pin is arranged between the locking block and the brake pad holder, a clamping groove is arranged on one side of the locking block close to the brake pad holder, and a protruding position on the brake pad is clamped in the clamping groove.
12. The secondary anti-separation structure of the brake pad holder of claim 11, wherein the locking pin is a U-shaped pin having elasticity, and both ends of the locking pin are connected to the locking block and the brake pad holder, respectively.
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Citations (5)
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JPH11132267A (en) * | 1997-10-30 | 1999-05-18 | Nisshinbo Ind Inc | Automatic adjusting device for pad clearance of disk brake |
CN104191205A (en) * | 2014-09-18 | 2014-12-10 | 南车株洲电力机车有限公司 | Caliper mechanism brake shoe holder assembly and installation method of elastic cylindrical pin |
WO2015180474A1 (en) * | 2014-05-27 | 2015-12-03 | 长春轨道客车股份有限公司 | Basic brake device used for motor train unit in alpine environments |
CN110402338A (en) * | 2016-12-15 | 2019-11-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake plate support component, brake lining component, brake apparatus and rail vehicle |
CN216009322U (en) * | 2021-10-26 | 2022-03-11 | 中国铁道科学研究院集团有限公司 | Secondary anti-falling structure for brake pad holder |
-
2021
- 2021-10-26 CN CN202111246515.6A patent/CN114001109B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11132267A (en) * | 1997-10-30 | 1999-05-18 | Nisshinbo Ind Inc | Automatic adjusting device for pad clearance of disk brake |
WO2015180474A1 (en) * | 2014-05-27 | 2015-12-03 | 长春轨道客车股份有限公司 | Basic brake device used for motor train unit in alpine environments |
CN104191205A (en) * | 2014-09-18 | 2014-12-10 | 南车株洲电力机车有限公司 | Caliper mechanism brake shoe holder assembly and installation method of elastic cylindrical pin |
CN110402338A (en) * | 2016-12-15 | 2019-11-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | Brake plate support component, brake lining component, brake apparatus and rail vehicle |
CN216009322U (en) * | 2021-10-26 | 2022-03-11 | 中国铁道科学研究院集团有限公司 | Secondary anti-falling structure for brake pad holder |
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