CN105215887A - The linkage clamp device of brake rim - Google Patents
The linkage clamp device of brake rim Download PDFInfo
- Publication number
- CN105215887A CN105215887A CN201510721403.XA CN201510721403A CN105215887A CN 105215887 A CN105215887 A CN 105215887A CN 201510721403 A CN201510721403 A CN 201510721403A CN 105215887 A CN105215887 A CN 105215887A
- Authority
- CN
- China
- Prior art keywords
- clamping limb
- brake rim
- pedestal
- limb
- clamp device
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of linkage clamp device of brake rim, comprise pedestal and clamping device, be provided with cavity in pedestal, be provided with rotating cam in cavity, pedestal is provided with the boss for clamping brake rim; Clamping device comprise symmetrical be articulated with on pedestal for clamping the left clamping limb of brake rim and right clamping limb, left clamping limb and right clamping limb are equipped with the bolt be slidably connected with pedestal, one end and the cam of bolt offset, and one end of left clamping limb and right clamping limb is provided with spring part respectively and between pedestal.This programme solves high, the ineffective problem of existing friction sheave clamp cost.
Description
Technical field
The present invention relates to a kind of field of fixtures, be specifically related to a kind of linkage clamp device of brake rim.
Background technology
In a broad sense, any operation in technical process, is used for rapidly, installs easily and safely the device of workpiece, all can be described as fixture.Such as weld jig, inspection jig, assembling jig, jig etc.Wherein jig is the most common, often referred to as fixture.On lathe during processing work, the dimensions reaching drawing for making the surface energy of workpiece and specify, geometry and with the technical requirements such as the relative-position error on other surfaces, workpiece must be installed before processing, clip.Fixture is made up of setting element, clamping device, tool setting induction element, indexing means, Connection Element and clamp body etc. usually.Fixture and grip device are widely known by the people, and are widely used for manufacturing.Particularly, fixture has various reference surface and point, and parts or instrument can accurately be located.In many process, this is general to clamp member, so that these parts can keep correct juxtaposition relationship in such as punching press, riveted joint, welding, the process of pasting or solidifying.
Brake rim is the ironcasting of the similar tambourine of a kind of shape, and it and tire are fixed and synchronized rotation.Use oil pressure to promote brake shoes contact brake rim inner edge during brake, the friction produced by contact suppresses the rotation of tire to reach the object of brake.Drum brakes is made up of the relevant connecting rods such as shoe sole, wheel cylinder, brake shoes, spring, tip nail, brake rim.At present only commonly be used in trailing wheel.The cost of drum brakes is lower, absolute brake Li Genggao, is more used in the trailing wheel of pony car.Along with the development of Chinese national economy, also growing to the demand of brake rim, according to different demand, brake rim needs for further processing, and the fixture therefore for processing brake rim is of crucial importance, and the usual overall structure of existing fixture is more complicated, the part used is more, cause production cost to improve, and integrated operation is more loaded down with trivial details, reduces the operating efficiency to brake rim processing.
Summary of the invention
The invention is intended to provide a kind of production cost low, the linkage clamp device of the brake rim that operating efficiency is high.
Achieve the above object, base case of the present invention is as follows: the linkage clamp device of brake rim, comprises pedestal and clamping device, is provided with cavity in described pedestal, is provided with rotating cam in described cavity, and described pedestal is provided with the boss for clamping brake rim; Described clamping device comprise symmetrical be articulated with on pedestal for clamping the left clamping limb of brake rim and right clamping limb, described left clamping limb and right clamping limb are equipped with the bolt be slidably connected with pedestal, one end and the cam of described bolt offset, and one end of described left clamping limb and right clamping limb is provided with spring part respectively and between pedestal.
The principle of base case: during operation, is first positioned on boss by brake rim; Then cam is rotated clockwise, the bolt on the cam left side drives one end of left clamping limb to be moved to the left, left clamping limb turns clockwise around its pin joint, the other end of left clamping limb and brake rim are offseted, bolt simultaneously on the right of cam drives one end of right clamping limb to move right, right clamping limb is rotated counterclockwise around its pin joint, and the other end of right clamping limb and brake rim are offseted; Finally by boss and brake rim circular hole offsets, left clamping limb offsets away from one end of bolt and the left end of brake rim, right clamping limb offsets away from one end of bolt and the right-hand member of brake rim, realize the clamping to brake rim with this, now spring part is in extended state.Otherwise the spring part on the left side gives left clamping limb one pulling force to the right, the spring part on the right gives right clamping limb one pulling force left, faster releasing of brake drum.
The advantage of base case: this programme is mainly through rotating cam, and fitted bolt, left clamping limb and right clamping limb realize the clamping to brake rim, its overall structure part that is simple, that use is less and price is lower, effectively reduces production cost; And integrated operation is convenient, effectively raise the operating efficiency of processing brake rim.
Preferred version one: based on the preferred version of scheme, on described pedestal, left and right is arranged with alignment pin, one end of described left clamping limb and right clamping limb is equipped with screw, be provided with spring part between described alignment pin and screw, by above-mentioned setting, replace pedestal by alignment pin, screw replaces left clamping limb and right clamping limb, in the service life of effective increase pedestal, left clamping limb and right clamping limb, saved production cost, and alignment pin and screw is convenient for assembly and dismounting.
Preferred version two: the preferably preferred version of, described spring part is extension spring, by above-mentioned setting, extension spring has certain stretch capability, when rotating clockwise cam, the bolt on the cam driven left side is moved to the left, and the bolt on the right of cam driven moves right, make left clamping limb and right clamping limb clamp brake rim under left and right bolt drives, now extension spring is in extended state; When rotating counterclockwise cam, the extension spring on the left side gives left clamping limb one pulling force to the right, and the extension spring on the right gives right clamping limb one pulling force left, effectively decreases the time of releasing of brake drum.
Preferred version three: the preferably preferred version of two, described left clamping limb and right clamping limb are all set to the projection of arc-shaped for the one end clamping brake rim, by above-mentioned setting, replace plane to the clamping of brake rim by projection, reduce contact area, significantly reduce the wearing and tearing to brake rim, and projection compares flat grip brake rim, impetus is more concentrated, also better to the clamping effect of brake rim.
Preferred version four: the preferably preferred version of three, described left clamping limb and right clamping limb all by bearing pin and pedestal hinged, by above-mentioned setting, bearing pin make left clamping limb and right clamping limb more stable when its pin joint rotates, and convenient for assembly and dismounting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the linkage clamp device embodiment of brake rim of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: pedestal 1, cam 2, boss 3, left clamping limb 4, right clamping limb 5, bolt 6, alignment pin 7, screw 8, extension spring 9, projection 10, bearing pin 11.
Embodiment is substantially as shown in Figure 1: the linkage clamp device of brake rim, comprise pedestal 1 and clamping device, pedestal 1 is provided with the boss 3 for clamping brake rim, cavity is provided with in pedestal 1, be provided with the cam 2 of rotating arc-shaped in cavity, symmetrically on pedestal 1 be also provided with alignment pin 7 and spacing hole, clamping device comprises left clamping limb 4 for clamping brake rim and right clamping limb 5, left clamping limb 4 and right clamping limb 5 are all articulated with on pedestal 1 by bearing pin 11 is symmetrical, the upper end of left clamping limb 4 and right clamping limb 5 is all set to the projection 10 of arc-shaped, left clamping limb 4 and right clamping limb 5 are equipped with bolt 6, and the bolt 6 on the left side is slidably connected with the spacing hole on the left side, the bolt 6 of right-hand member is slidably connected with the spacing hole on the right, the bottom of the bolt 6 on the left side and the left end of cam 2 offset, the bottom of bolt 6 and the right-hand member of cam 2 on the right offset, all there is screw 8 lower end of left clamping limb 4 and right clamping limb 5, the alignment pin 7 on the left side and the screw 8 on the left side, extension spring 9 is equipped with between the alignment pin 7 on the right and the screw 8 on the right.
In the present embodiment, during operation, first the circular hole place of brake rim is positioned on boss 3; Then cam 2 is rotated clockwise, the bolt 6 that cam 2 extrudes the left side drives the lower end of left clamping limb 4 to be moved to the left, left clamping limb 4 turns clockwise around its bearing pin 11, the upper end of left clamping limb 4 and brake rim are offseted, the bolt 6 on the right of cam 2 extruding simultaneously drives the lower end of right clamping limb 5 to move right, right clamping limb 5 is rotated counterclockwise around its bearing pin 11, and the upper end of right clamping limb 5 and brake rim are offseted; Offset finally by boss 3 and the circular hole of brake rim, the upper end of left the clamping limb 4 and left end of brake rim offsets, the upper end of right clamping limb 5 and the right-hand member of brake rim offset, realize the clamping to brake rim with this, now extension spring 9 is in extended state.Otherwise rotate counterclockwise cam 2, the extension spring 9 on the left side drives the lower end of left clamping limb 4 to move right, and the extension spring 9 on the right drives the lower end of right clamping limb 5 to be moved to the left, make the upper end releasing of brake drum faster of left clamping limb 4 and right clamping limb 5.This programme is mainly through clockwise and rotate counterclockwise cam 2, fitted bolt 6, screw 8, extension spring 9, left clamping limb 4 and right clamping limb 5 realize the clamping of brake rim and unclamp, its overall structure part that is simple, that use is less and price is lower, effectively reduces production cost; And integrated operation is convenient, effectively raise the operating efficiency of processing brake rim.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and/or characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (5)
1. the linkage clamp device of brake rim, comprises pedestal and clamping device, it is characterized in that: be provided with cavity in described pedestal, is provided with rotating cam in described cavity, and described pedestal is provided with the boss for clamping brake rim; Described clamping device comprise symmetrical be articulated with on pedestal for clamping the left clamping limb of brake rim and right clamping limb, described left clamping limb and right clamping limb are equipped with the bolt be slidably connected with pedestal, one end and the cam of described bolt offset, and one end of described left clamping limb and right clamping limb is provided with spring part respectively and between pedestal.
2. the linkage clamp device of brake rim according to claim 1, is characterized in that: on described pedestal, left and right is arranged with alignment pin, and one end of described left clamping limb and right clamping limb is equipped with screw, is provided with spring part between described alignment pin and screw.
3. the linkage clamp device of brake rim according to claim 2, is characterized in that: described spring part is extension spring.
4. the linkage clamp device of brake rim according to claim 3, is characterized in that: described left clamping limb and right clamping limb are all set to the projection of arc-shaped for the one end clamping brake rim.
5. the linkage clamp device of brake rim according to claim 4, is characterized in that: described left clamping limb and right clamping limb all by bearing pin and pedestal hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721403.XA CN105215887A (en) | 2015-10-30 | 2015-10-30 | The linkage clamp device of brake rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721403.XA CN105215887A (en) | 2015-10-30 | 2015-10-30 | The linkage clamp device of brake rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105215887A true CN105215887A (en) | 2016-01-06 |
Family
ID=54985331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721403.XA Pending CN105215887A (en) | 2015-10-30 | 2015-10-30 | The linkage clamp device of brake rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105215887A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922033A (en) * | 2016-06-25 | 2016-09-07 | 王燕飞 | Step shaft clamping device |
| CN105922032A (en) * | 2016-06-25 | 2016-09-07 | 王燕飞 | Adjustable clamping device for step shaft |
| CN106695630A (en) * | 2017-03-10 | 2017-05-24 | 哈尔滨理工大学 | Rapid fixture special for eccentric adjustment of rotary encoder circular grating |
| CN110450077A (en) * | 2019-09-12 | 2019-11-15 | 上海精智实业股份有限公司 | A kind of centering clamping device |
| CN110480402A (en) * | 2019-08-31 | 2019-11-22 | 襄阳华中科技大学先进制造工程研究院 | A kind of robot arm fixture for automatic loading/unloading |
| CN110842830A (en) * | 2019-11-18 | 2020-02-28 | 国唐汽车有限公司 | Auxiliary tool for mounting passenger car steering shaft |
| CN112757155A (en) * | 2021-01-13 | 2021-05-07 | 浙江德福精密驱动制造有限公司 | Positioning clamp of scraping and beating machine |
| CN113385631A (en) * | 2021-04-20 | 2021-09-14 | 兴意金工科技(浙江)有限公司 | Frock clamp of brake shoe riveter |
-
2015
- 2015-10-30 CN CN201510721403.XA patent/CN105215887A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922033A (en) * | 2016-06-25 | 2016-09-07 | 王燕飞 | Step shaft clamping device |
| CN105922032A (en) * | 2016-06-25 | 2016-09-07 | 王燕飞 | Adjustable clamping device for step shaft |
| CN106695630A (en) * | 2017-03-10 | 2017-05-24 | 哈尔滨理工大学 | Rapid fixture special for eccentric adjustment of rotary encoder circular grating |
| CN106695630B (en) * | 2017-03-10 | 2019-11-05 | 哈尔滨理工大学 | A kind of dedicated magic chuck of rotary encoder Circular gratings bias adjustment |
| CN110480402A (en) * | 2019-08-31 | 2019-11-22 | 襄阳华中科技大学先进制造工程研究院 | A kind of robot arm fixture for automatic loading/unloading |
| CN110450077A (en) * | 2019-09-12 | 2019-11-15 | 上海精智实业股份有限公司 | A kind of centering clamping device |
| CN110842830A (en) * | 2019-11-18 | 2020-02-28 | 国唐汽车有限公司 | Auxiliary tool for mounting passenger car steering shaft |
| CN112757155A (en) * | 2021-01-13 | 2021-05-07 | 浙江德福精密驱动制造有限公司 | Positioning clamp of scraping and beating machine |
| CN113385631A (en) * | 2021-04-20 | 2021-09-14 | 兴意金工科技(浙江)有限公司 | Frock clamp of brake shoe riveter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160106 |