CN201192832Y - Clamping disk type brake piston dismounting tool of engineering vehicle - Google Patents
Clamping disk type brake piston dismounting tool of engineering vehicle Download PDFInfo
- Publication number
- CN201192832Y CN201192832Y CNU2008200227674U CN200820022767U CN201192832Y CN 201192832 Y CN201192832 Y CN 201192832Y CN U2008200227674 U CNU2008200227674 U CN U2008200227674U CN 200820022767 U CN200820022767 U CN 200820022767U CN 201192832 Y CN201192832 Y CN 201192832Y
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- CN
- China
- Prior art keywords
- sleeve
- piston
- disc brake
- nut
- spot
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a caliper disc brake piston removal tool used for the repair and maintenance of an engineering vehicle. The tool comprises a T-shaped bolt, a conjugated sleeve, an outer sleeve, a nut and a supporting sleeve. The T-shaped bolt, the conjugated sleeve and the outer sleeve are all arranged inside the cavity of a piston to be disassembled. The supporting sleeve and the conjugated sleeve are sleeved in sequence at the bottom of the T-shaped bolt. The outer sleeve and the nut are arranged at the top of the T-shaped bolt. The nut is screwed up so that the piston to be disassembled can be removed from the caliper disc brake. When in use, the tool can easily dissemble the piston without needing the destructive piston-removal methods such as knocking or punching, protects other parts on the caliper disc brake, prolongs the service life of the caliper disc brake, reduces the labor intensity of the working staff and reduces the production costs.
Description
Technical field
The utility model belongs to the maintenance tool of engineering truck, and engineering truck spot-type disc brake piston extracting tool particularly is used for the piston of demolition works vehicle spot-type disc brake, convenient for maintaining.
Background technology
In the maintenance process of large-scale Construction traffics such as loading machine, grab pipe machine and wheeled tractor hoist, during dismantling tong disk brake piston,, must at first dismantle brake plunger when the brake seal of Construction traffic damages or piston corrosion when needing repairing.And because the baldness of piston own, maintenance mans often have no way of doing it its taking-up.Method one commonly used when in the past dismantling brake plunger is to eject with compressed air, seriously just is difficult to finish if run into the piston corrosion in this case.An other method is exactly to beat on the ground, thereby piston is fallen out, easy like this accessory is broken, and piston still is difficult for being fallen out.Another method is exactly to punch piston is disclosed on the braking body, but when piston is installed, just must with bolt the hole of stamping be sealed by mantle fiber, and the method is uneconomical and need the cooperation of several days time or several work posts just can finish sometimes.The on-the-spot specific purpose tool that needs a kind of dismantling tong disk brake piston.
Summary of the invention
The purpose of this utility model provides engineering truck spot-type disc brake piston extracting tool, for the vehicle that uses spot-type disc brake provides special-purpose maintenance tool, makes things convenient for the dismounting of spot-type disc brake piston, increases work efficiency, and saves production cost.
For reaching above-mentioned purpose, can use the present technique solution: engineering truck spot-type disc brake piston extracting tool comprises T type bolt, involutory sleeve, outer sleeve, nut and stop sleeve, T type bolt, involutory sleeve and stop sleeve all are contained in the interior circle of split piston, stop sleeve and involutory sleeve are enclosed within the bottom of T type bolt successively, outer sleeve and nut are installed in the top of T type bolt, and fastening nut can take out split piston from the spot-type disc brake body.
Use the utility model compared with prior art to have following useful effect: this instrument is applicable to that all vehicles that use spot-type disc brake use, because circle is gone up fluted in the piston of this brake, this instrument has just been manufactured an involutory sleeve with this groove fit, which is provided with the groove fit on the circle in step and the piston, can like a cork piston be disassembled.Need not to beat, destructive mode such as punching dismantles piston, protected other accessory on the spot-type disc brake, improved the service life of spot-type disc brake.Improve efficiency, alleviated working strength of workers, also reduced production cost.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with embodiment the utility model is done further detailed description: referring to accompanying drawing, engineering truck spot-type disc brake piston extracting tool comprises T type bolt 6, involutory sleeve 2, outer sleeve 3, nut 4 and stop sleeve 5, T type bolt 6, involutory sleeve 2 and stop sleeve 5 all are contained in the interior circle of split piston 1, stop sleeve 5 and involutory sleeve 2 are enclosed within the bottom of T type bolt 6 successively, and outer sleeve 3 and nut 4 are installed in the top of T type bolt 6.Fastening nut 4 can take out split piston 1 from the spot-type disc brake body.Involutory sleeve 2 is semicircular body that two bottoms have step, the groove fit of circle in its bottom stage and the split piston 1.Circle is greater than the cylindrical of split piston 1 in the cylindrical shell of outer sleeve 3, and the other end is provided with the centre bore of band screw thread.
During on-the-spot the use, at first collar on the spot-type disc brake and dust cover are unloaded, then the tray-shaped bottom of T type bolt 6 is put into the circle of split piston 1, then involutory sleeve 2 is put into split piston 1, make the bottom stage of involutory sleeve 2 snap in the groove of interior circle of split piston 1.Then stop sleeve 5 is set on and slips into the bottom on the T type bolt 6, two semicircular body of involutory sleeve 2 are propped up.Outer sleeve 3 is buckled on the split piston 1, its lower surface card is leaned against on the spot-type disc brake body.T type bolt 6 is exposed from the centre bore of outer sleeve 3 band screw threads, load onto nut 4 at the top of T type bolt 6.With spanner rotating nut 4 it is tightened, along with tightening of nut 4, T type bolt 6 can drive involutory sleeve 2 and split piston 1 and move on slowly, until split piston 1 is pulled out from spot-type disc brake.Avoid destructive dismounting, alleviated working strength of workers.
Claims (3)
1. engineering truck spot-type disc brake piston extracting tool, it is characterized in that this instrument comprises T type bolt (6), involutory sleeve (2), outer sleeve (3), nut (4) and stop sleeve (5), T type bolt (6), involutory sleeve (2) and stop sleeve (5) all are contained in the interior circle of split piston (1), stop sleeve (5) and involutory sleeve (2) are enclosed within the bottom of T type bolt (6) successively, and outer sleeve (3) and nut (4) are installed in the top of T type bolt (6).
2. engineering truck spot-type disc brake piston extracting tool according to claim 1 is characterized in that involutory sleeve (2) is the semicircular body that two bottoms have step, the groove fit of circle in its bottom stage and the split piston (1).
3. engineering truck spot-type disc brake piston extracting tool according to claim 1 is characterized in that the cylindrical of the interior circle of cylindrical shell of outer sleeve (3) greater than split piston (1), and the other end is provided with the centre bore of band screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200227674U CN201192832Y (en) | 2008-05-20 | 2008-05-20 | Clamping disk type brake piston dismounting tool of engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200227674U CN201192832Y (en) | 2008-05-20 | 2008-05-20 | Clamping disk type brake piston dismounting tool of engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201192832Y true CN201192832Y (en) | 2009-02-11 |
Family
ID=40392377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200227674U Expired - Fee Related CN201192832Y (en) | 2008-05-20 | 2008-05-20 | Clamping disk type brake piston dismounting tool of engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201192832Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797743A (en) * | 2010-02-26 | 2010-08-11 | 三一重机有限公司 | Mounting tool for complete disc brake |
| TWI577507B (en) * | 2016-03-30 | 2017-04-11 | 寶宸泓有限公司 | Adjusting assembly of brake cylinder recovering device |
-
2008
- 2008-05-20 CN CNU2008200227674U patent/CN201192832Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797743A (en) * | 2010-02-26 | 2010-08-11 | 三一重机有限公司 | Mounting tool for complete disc brake |
| TWI577507B (en) * | 2016-03-30 | 2017-04-11 | 寶宸泓有限公司 | Adjusting assembly of brake cylinder recovering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20110520 |