CN214722541U - Clamp for brake shoe - Google Patents
Clamp for brake shoe Download PDFInfo
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- CN214722541U CN214722541U CN202121107553.9U CN202121107553U CN214722541U CN 214722541 U CN214722541 U CN 214722541U CN 202121107553 U CN202121107553 U CN 202121107553U CN 214722541 U CN214722541 U CN 214722541U
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- brake shoe
- pressing
- hinged
- connecting piece
- cylinder
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Abstract
The utility model provides a brake shoe clamp, which comprises a base, wherein the base is provided with a fixed seat, a middle pushing device, a first clamping group and a second clamping group; the fixed seat is used for abutting against the outer side surface of the arc-shaped panel of the brake shoe; the middle pushing device is positioned in the middle of the brake shoe and is used for pressing the brake shoe on the fixed seat; the first clamping group and the second clamping group are respectively located at two ends of the brake shoe, the first clamping group and the second clamping group respectively comprise a first limiting device, a second limiting device, a first pressing device and a second pressing device, the first limiting device and the first pressing device are used for clamping the arc rib plate at the upper end of the brake shoe, and the second limiting device and the second pressing device are used for clamping the arc rib plate at the lower end of the brake shoe. The utility model discloses come centre gripping brake shoe from a plurality of positions, can stabilize centre gripping brake shoe.
Description
Technical Field
The utility model belongs to the technical field of the anchor clamps technique and specifically relates to an anchor clamps of brake shoe.
Background
The brake shoe is a friction coupling part of a drum brake, and is widely applied to brake systems of various cars and light automobiles. Generally, the brake shoe comprises a curved panel, inside of which two curved webs are arranged, as shown in utility model publication No. CN 207900160U. Because the shape of the brake shoe is special, a special clamp is needed in the processing process. The existing brake shoe clamp only clamps a single local position of a brake shoe, so that the brake shoe is clamped unstably, and subsequent processing is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anchor clamps of brake shoe comes centre gripping brake shoe from a plurality of positions, can stabilize centre gripping brake shoe.
The utility model provides a brake shoe clamp, which comprises a base, wherein the base is provided with a fixed seat, a middle pushing device, a first clamping group and a second clamping group; the fixed seat is used for abutting against the outer side surface of the arc-shaped panel of the brake shoe; the middle pushing device is positioned in the middle of the brake shoe and is used for pressing the brake shoe on the fixed seat; the first clamping group and the second clamping group are respectively located at two ends of the brake shoe, the first clamping group and the second clamping group respectively comprise a first limiting device, a second limiting device, a first pressing device and a second pressing device, the first limiting device and the first pressing device are used for clamping the arc rib plate at the upper end of the brake shoe, and the second limiting device and the second pressing device are used for clamping the arc rib plate at the lower end of the brake shoe.
Preferably, the middle pushing device comprises a pushing block and a pushing driving assembly connected with the pushing block, the pushing block is used for abutting against an arc rib plate of the brake shoe, and the pushing driving assembly is used for driving the pushing block to move towards the direction close to the fixed seat.
Preferably, the pushing driving assembly comprises a first fixing support, a first air cylinder, a first hinged seat, a first connecting piece, a second connecting piece and a pushing arm, the first air cylinder is hinged to the first fixing support, the first hinged seat is fixed to the first fixing support, two ends of the first connecting piece are hinged to a push rod of the first air cylinder and the first hinged seat respectively, the lower end of the pushing arm is hinged to the first hinged seat, the upper end of the pushing arm is connected with a pushing block, and two ends of the second connecting piece are hinged to the middle of the pushing rod of the first air cylinder and the middle of the pushing arm respectively.
Preferably, the first limiting device comprises a second fixing support, a second cylinder, a third connecting piece and a first limiting rod, the second cylinder is fixed on the second fixing support, and the middle part of the third connecting piece is hinged with the second fixing support; one end of the third connecting piece is connected with the first limiting rod, the other end of the third connecting piece is provided with a hinge groove, the push rod of the second cylinder is also provided with a hinge groove, hinge bolts penetrate through the hinge groove of the third connecting piece and the hinge groove on the push rod of the second cylinder, and the hinge bolts can slide in the hinge groove of the third connecting piece and the hinge groove on the push rod of the second cylinder; the first limiting rod is used for abutting against the lower surface of the arc-shaped rib plate at the upper end of the brake shoe.
Preferably, the first pressing device comprises a third air cylinder, a second hinged seat, a fourth connecting piece and a first pressing piece, two ends of the fourth connecting piece are hinged to the middle portions of the second hinged seat and the first pressing piece respectively, the tail end of the first pressing piece is hinged to a push rod of the third air cylinder, and the head end of the first pressing piece is used for pressing the arc-shaped rib plate at the upper end of the brake shoe onto the first limiting rod.
Preferably, the second limiting device comprises a fourth cylinder and a second limiting rod, the second limiting rod is connected with a push rod of the fourth cylinder, and the fourth cylinder is used for driving the second limiting rod to jack up the arc rib plate at the lower end of the brake shoe upwards.
Preferably, the second pressing device comprises a fifth cylinder, a third hinge seat, a fifth connecting piece and a second pressing piece, two ends of the fifth connecting piece are hinged to the middle portions of the third hinge seat and the second pressing piece respectively, the tail end of the second pressing piece is hinged to a push rod of the fifth cylinder, and the head end of the second pressing piece is used for pressing the arc-shaped rib plate at the lower end of the brake shoe onto the second limiting rod.
The utility model discloses following beneficial effect has: the utility model discloses a fixing base supports from one side and leans on the brake shoe, middle thrust unit is located the middle part of brake shoe, middle thrust unit compresses tightly the middle part of brake shoe on the fixing base, the first stop device of first centre gripping group and second centre gripping group and the both ends of the arc gusset of first closing device centre gripping brake shoe upper end, the second stop device of first centre gripping group and second centre gripping group and the both ends of the arc gusset of second closing device centre gripping brake shoe lower extreme, thereby carry out the clamping to the middle part and the both ends of brake shoe simultaneously, centre gripping brake shoe can be stabilized.
Drawings
Fig. 1 is a schematic structural view of a brake shoe clamp according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an intermediate pushing device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first limiting device and a first pressing device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second limiting device and a second pressing device according to an embodiment of the present invention.
Wherein the reference numerals are: the brake shoe comprises a brake shoe 100, an arc-shaped panel 110, a first arc-shaped rib plate 121, a second arc-shaped rib plate 122, a base 20 and a fixed seat 200;
the middle pushing device 300, the pushing block 310, the first fixing support 321, the first hinge seat 322, the first cylinder 323, the first connecting piece 324, the second connecting piece 325 and the pushing arm 326;
a first clamping group 41, a second clamping group 42, a first limiting device 410, a second fixed bracket 411, a second cylinder 412, a third connecting piece 413, a first limiting rod 414 and a hinge groove 415;
a second limiting device 420, a fourth cylinder 421 and a second limiting rod 422;
a first pressing device 510, a third cylinder 511, a second hinge base 512, a fourth connecting piece 513, a first pressing piece 514;
a second pressing device 520, a fifth cylinder 521, a third hinge base 522, a fifth connecting member 523, and a second pressing member 524.
Detailed Description
It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.
Before explaining the clamp of the present invention, it is necessary to introduce the brake shoe, as shown in fig. 1, the brake shoe 100 includes an arc-shaped panel 110, two arc-shaped rib plates are disposed on the inner side of the arc-shaped panel 110, one of the two arc-shaped rib plates is located at the upper end of the arc-shaped panel 110 and is a first arc-shaped rib plate 121, and the other is located at the lower end of the arc-shaped panel 110 and is a second arc-shaped rib plate 122.
The utility model provides a brake shoe's anchor clamps, as shown in fig. 1-4, it includes base 20, is provided with fixing base 200, middle thrust unit 300, first centre gripping group 41 and second centre gripping group 42 on the base 20. The fixing seat 200 has an arc-shaped surface, the brake shoe 100 can be vertically placed, and the outer side surface of the arc-shaped panel 110 can abut against the arc-shaped surface of the fixing seat 200 to limit the movement of the brake shoe 100 from one side.
The middle pushing device 300 is located in the middle of the brake shoe 100 and inside the brake shoe 100, and the middle pushing device 300 is used for pressing the brake shoe 100 against the fixed seat 200 to clamp the middle of the brake shoe 100.
The first clamping group 41 and the second clamping group 42 are respectively located at two ends of the brake shoe 100, and each of the first clamping group 41 and the second clamping group 42 includes a first limiting device 410, a second limiting device 420, a first pressing device 510 and a second pressing device 520. The first limiting device 410 and the first pressing device 510 of the first clamping group 41 are used for clamping one end of the first arc-shaped rib plate 121, and the first limiting device 410 and the first pressing device 510 of the second clamping group 42 are used for clamping the other end of the first arc-shaped rib plate 121; the second limiting device 420 and the second pressing device 520 of the first clamping group 41 are used for clamping one end of the second arc-shaped rib plate 122, and the second limiting device 420 and the second pressing device 520 of the second clamping group 42 are used for clamping the other end of the second arc-shaped rib plate 122. The first and second clamping groups 41 and 42 thus clamp the brake shoe 100 from both ends.
In some embodiments, as shown in fig. 1 and 2, the intermediate pushing device 300 includes a pushing block 310 and a pushing driving assembly connected to the pushing block 310, the pushing block 310 abuts against the inner sides of the first curved rib 121 and the second curved rib 122, the pushing driving assembly drives the pushing block 310 to move in a direction close to the fixing base 200, and the pushing block 310 applies a pushing force to the brake shoe 100, so that the middle portion of the brake shoe 100 is pressed against the fixing base 200.
Further, the push driving assembly includes a first fixing bracket 321, a first cylinder 323, a first hinge base 322, a first connector 324, a second connector 325, and a push arm 326. The first fixing support 321 is fixed on the base 20, the first cylinder 323 is hinged to the first fixing support 321, the first hinge seat 322 is fixed on the first fixing support 321, two ends of the first connecting piece 324 are hinged to the push rod of the first cylinder 323 and the first hinge seat 322, the lower end of the push arm 326 is hinged to the first hinge seat 322, the upper end of the push arm 326 is connected to the push block 310, and two ends of the second connecting piece 325 are hinged to the push rod of the first cylinder 323 and the middle of the push arm 326.
The working principle is as follows: when the first air cylinder 323 drives the push rod to move upwards, the push rod moves upwards in an inclined mode, the second connecting piece 325 is pulled to be away from the fixed seat 200, the second connecting piece 325 drives the pushing arm 326 to be away from the fixed seat 200, and the pushing block 310 loosens the clamping of the brake shoe 100; when the first cylinder 323 drives the push rod to move downward, the push rod moves obliquely downward to pull the second connecting member 325 to approach the fixing base 200, the second connecting member 325 drives the pushing arm 326 to approach the fixing base 200, and the pushing block 310 can press the brake shoe 100 against the fixing base 200.
In some embodiments, as shown in fig. 1 and 3, the first position-limiting device 410 includes a second fixing bracket 411, a second cylinder 412, a third connector 413, and a first position-limiting rod 414, the second cylinder 412 is fixed on the second fixing bracket 411, and the middle of the third connector 413 is hinged to the second fixing bracket 411; one end of the third connecting member 413 is connected to the first limiting rod 414, the other end of the third connecting member 413 is provided with a hinge groove 415, the push rod of the second cylinder 412 is also provided with a hinge groove, the hinge groove 415 of the third connecting member 413 and the hinge groove on the push rod of the second cylinder 412 are provided with the same hinge bolt (not shown), and the hinge bolt can slide in the hinge groove 415 of the third connecting member 413 and the hinge groove on the push rod of the second cylinder 412. Because the second cylinder 412 is fixed in position, it can only push its push rod in one fixed direction, and the hinge between the third connecting piece 413 and the push rod of the second cylinder 412 can be realized through the hinge bolt, and the third connecting piece 413 can be driven to rotate by the hinge bolt.
The working principle is as follows: when the push rod of the second cylinder 412 extends outwards, the third connecting element 413 drives the first limiting rod 414 to rotate and approach the brake shoe 100, and the first limiting rod 414 can move to the lower part of the first arc rib 121 from between the first arc rib 121 and the second arc rib 122 so as to abut against the lower surface of the first arc rib 121. When the push rod of the second cylinder 412 is retracted inward, the third link 413 drives the first stopper rod 414 to rotate and move away from the brake shoe 100, and the first stopper rod 414 can move out from between the first curved rib 121 and the second curved rib 122.
Further, the first pressing device 510 comprises a third air cylinder 511, a second hinged seat 512, a fourth connecting member 513 and a first pressing member 514, two ends of the fourth connecting member 513 are hinged to the middle portions of the second hinged seat 512 and the first pressing member 514 respectively, and the tail end of the first pressing member 514 is hinged to the push rod of the third air cylinder 511.
When the push rod of the third cylinder 511 moves upwards, the head end of the first pressing member 514 presses the upper surface of the first arc rib plate 121, so that the first arc rib plate 121 is pressed on the first limit rod 414. When the push rod of the third cylinder 511 moves downwards, the head end of the first pressing member 514 rotates upwards, thereby loosening the first arc-shaped rib plate 121.
In some embodiments, as shown in fig. 1 and 4, the second position-limiting device 420 includes a fourth cylinder 421 and a second position-limiting rod 422, the second position-limiting rod 422 is connected to a push rod of the fourth cylinder 421, and the fourth cylinder 421 can drive the second position-limiting rod 422 to jack up the second arc-shaped rib plate 122.
Further, the second pressing device 520 includes a fifth cylinder 521, a third hinge base 522, a fifth connecting member 523 and a second pressing member 524, two ends of the fifth connecting member 523 are respectively hinged to the middle portions of the third hinge base 522 and the second pressing member 524, and a tail end of the second pressing member 524 is hinged to a push rod of the fifth cylinder 521.
When the push rod of the fifth cylinder 521 moves upwards, the head end of the second pressing member 524 presses the upper surface of the second arc rib plate 122, so that the second arc rib plate 122 is pressed on the second limiting rod 422. When the push rod of the fifth cylinder 521 moves downwards, the head end of the second pressing member 524 rotates upwards, thereby loosening the second arc-shaped rib plate 122.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.
Claims (7)
1. A brake shoe clamp is characterized in that: the clamping device comprises a base, wherein a fixed seat, a middle pushing device, a first clamping group and a second clamping group are arranged on the base; the fixed seat is used for abutting against the outer side surface of the arc-shaped panel of the brake shoe; the middle pushing device is positioned in the middle of the brake shoe and is used for pressing the brake shoe on the fixed seat; the first clamping group and the second clamping group are respectively located at two ends of the brake shoe, the first clamping group and the second clamping group respectively comprise a first limiting device, a second limiting device, a first pressing device and a second pressing device, the first limiting device and the first pressing device are used for clamping the arc rib plate at the upper end of the brake shoe, and the second limiting device and the second pressing device are used for clamping the arc rib plate at the lower end of the brake shoe.
2. The brake shoe holder of claim 1, wherein: the middle pushing device comprises a pushing block and a pushing driving assembly connected with the pushing block, the pushing block is used for abutting against an arc-shaped rib plate of the brake shoe, and the pushing driving assembly is used for driving the pushing block to move towards the direction close to the fixed seat.
3. The brake shoe holder of claim 2, wherein: the push driving assembly comprises a first fixing support, a first air cylinder, a first hinged seat, a first connecting piece, a second connecting piece and a push arm, the first air cylinder is hinged to the first fixing support, the first hinged seat is fixed to the first fixing support, two ends of the first connecting piece are hinged to a push rod of the first air cylinder and the first hinged seat respectively, the lower end of the push arm is hinged to the first hinged seat, the upper end of the push arm is connected with a push block, and two ends of the second connecting piece are hinged to the middle of the push rod of the first air cylinder and the middle of the push arm respectively.
4. The brake shoe holder of claim 1, wherein: the first limiting device comprises a second fixing support, a second air cylinder, a third connecting piece and a first limiting rod, the second air cylinder is fixed on the second fixing support, and the middle part of the third connecting piece is hinged with the second fixing support; one end of the third connecting piece is connected with the first limiting rod, the other end of the third connecting piece is provided with a hinge groove, the push rod of the second cylinder is also provided with a hinge groove, hinge bolts penetrate through the hinge groove of the third connecting piece and the hinge groove on the push rod of the second cylinder, and the hinge bolts can slide in the hinge groove of the third connecting piece and the hinge groove on the push rod of the second cylinder; the first limiting rod is used for abutting against the lower surface of the arc-shaped rib plate at the upper end of the brake shoe.
5. The brake shoe holder of claim 4 wherein: the first pressing device comprises a third air cylinder, a second hinged seat, a fourth connecting piece and a first pressing piece, two ends of the fourth connecting piece are hinged to the middle portions of the second hinged seat and the first pressing piece respectively, the tail end of the first pressing piece is hinged to a push rod of the third air cylinder, and the head end of the first pressing piece is used for pressing an arc-shaped rib plate at the upper end of the brake shoe onto a first limiting rod.
6. The brake shoe holder of claim 1, wherein: the second limiting device comprises a fourth cylinder and a second limiting rod, the second limiting rod is connected with a push rod of the fourth cylinder, and the fourth cylinder is used for driving the second limiting rod to jack up the arc-shaped rib plate at the lower end of the brake shoe upwards.
7. The brake shoe holder of claim 6 wherein: the second pressing device comprises a fifth cylinder, a third hinge seat, a fifth connecting piece and a second pressing piece, two ends of the fifth connecting piece are hinged to the middle portions of the third hinge seat and the second pressing piece respectively, the tail end of the second pressing piece is hinged to a push rod of the fifth cylinder, and the head end of the second pressing piece is used for pressing the arc-shaped rib plate at the lower end of the brake shoe onto a second limiting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107553.9U CN214722541U (en) | 2021-05-24 | 2021-05-24 | Clamp for brake shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107553.9U CN214722541U (en) | 2021-05-24 | 2021-05-24 | Clamp for brake shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214722541U true CN214722541U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121107553.9U Active CN214722541U (en) | 2021-05-24 | 2021-05-24 | Clamp for brake shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214722541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434189A (en) * | 2022-02-25 | 2022-05-06 | 青岛东部机械有限公司 | Positioning tool of brake shoe machining center |
-
2021
- 2021-05-24 CN CN202121107553.9U patent/CN214722541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434189A (en) * | 2022-02-25 | 2022-05-06 | 青岛东部机械有限公司 | Positioning tool of brake shoe machining center |
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