CN202846474U - Dismantling excavator swing arm back-end pin device - Google Patents
Dismantling excavator swing arm back-end pin device Download PDFInfo
- Publication number
- CN202846474U CN202846474U CN 201220513682 CN201220513682U CN202846474U CN 202846474 U CN202846474 U CN 202846474U CN 201220513682 CN201220513682 CN 201220513682 CN 201220513682 U CN201220513682 U CN 201220513682U CN 202846474 U CN202846474 U CN 202846474U
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- CN
- China
- Prior art keywords
- swing arm
- arm back
- dismantling
- screw
- end pin
- 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 dismantling excavator swing arm back-end pin device, the dismantling excavator swing arm back-end pin device comprises a screw and a changeable joint arranged on one end of the screw, a support is arranged on the screw, one end of the support is arranged on the changeable joint in a sleeved mode, the other end of the support is fixedly connected with a base plate arranged on the screw, a nut arranged on the screw in a sleeved mode is arranged on the external side of the base plate. The dismantling excavator swing arm back-end pin device realizes the pulling pin purpose by taking advantage of a lead screw to transfer rotary force of a wrench into the larger axial force based on a reserved threaded holes structure of the swing arm back-end pin. The dismantling excavator swing arm back-end pin device has the advantages of being small in size, light in weight, convenient to use, and thereby resolving the technical problem of time and energy waste compared with the prior art.
Description
Technical fieldThe utility model belongs to the excavator technical field, relates to a kind of dismounting excavator swing arm back pin shaft device.
Background technologyExcavator swing arm back bearing pin connects turntable and swing arm, and the special-purpose pin pressing machine of general employing is pressed into during assembling.When excavator needs at the construction field (site) detachable maintaining or changes swing arm, the method for often pounding out swing arm back bearing pin with "painted-face" character in opera behind the employing dismounting driver's cabin.This method for dismounting operating time is long, wastes time and energy, and must have other hoisting machineries to cooperate and just can carry out, and knock near the parts of easy damage bearing pin, inefficiency.
Summary of the inventionThe purpose of this utility model is to solve the technical problem that prior art exists to waste time and energy, and a kind of excavator swing arm back pin shaft device of dismantling easily and efficiently is provided.
To achieve these goals, the utility model dismounting excavator swing arm back pin shaft device, it comprises screw rod and is arranged on the interchangeable joint of screw rod one end, described screw rod is provided with support, one end of described support is sleeved on the interchangeable joint, the other end is fixedly connected with backing plate on being arranged on screw rod, and the outside of backing plate is provided with the nut that is sleeved on the screw rod.
The utility model is to reserve the screw thread pore structure according to swing arm back bearing pin, utilizes leading screw that the revolving force of spanner is changed into larger axial force, realizes the purpose of pulling pin.The utility model has the advantages that: volume is little, quality is light, easy to use, has solved prior art and has had the technical problem that wastes time and energy.
Description of drawingsAccompanying drawing is the utility model structural representation.
Among the figure 1, screw rod 2, backing plate 3, interchangeable joint 4, nut 5, support
The specific embodimentWith reference to the accompanying drawings, the utility model dismounting excavator swing arm back pin shaft device, it comprises screw rod 1 and is arranged on the interchangeable joint 3 of screw rod one end, described screw rod 1 is provided with and supports 5, one end of described support 5 is sleeved on the interchangeable joint, the other end is fixedly connected with backing plate 2 on being arranged on screw rod, and the outside of backing plate 2 is provided with the nut 4 that is sleeved on the screw rod.
Wherein interchangeable joint can be made the different specification of sizes with supporting, with the excavator swing arm back that the adapts to different model use of pulling pin.
In use according to the screwed hole of swing arm back bearing pin size select appropriate size interchangeable joint and support.When pulling pin, interchangeable joint one end is screwed in the screwed hole of swing arm back bearing pin, then utilizes the spanner rotating nut, by the axial force that leading screw produces bearing pin is pulled out.
Claims (1)
1. dismantle excavator swing arm back pin shaft device for one kind, it is characterized in that it comprises screw rod and the interchangeable joint that is arranged on screw rod one end, described screw rod is provided with support, one end of described support is sleeved on the interchangeable joint, the other end is fixedly connected with backing plate on being arranged on screw rod, and the outside of backing plate is provided with the nut that is sleeved on the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513682 CN202846474U (en) | 2012-10-08 | 2012-10-08 | Dismantling excavator swing arm back-end pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220513682 CN202846474U (en) | 2012-10-08 | 2012-10-08 | Dismantling excavator swing arm back-end pin device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202846474U true CN202846474U (en) | 2013-04-03 |
Family
ID=47977710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220513682 Expired - Fee Related CN202846474U (en) | 2012-10-08 | 2012-10-08 | Dismantling excavator swing arm back-end pin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202846474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826678A (en) * | 2017-04-06 | 2017-06-13 | 中交天津航道局有限公司 | A kind of withdrawing fuel injector specific purpose tool |
| CN108312102A (en) * | 2017-01-16 | 2018-07-24 | 北海和思科技有限公司 | A kind of draft tool dowel device |
-
2012
- 2012-10-08 CN CN 201220513682 patent/CN202846474U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312102A (en) * | 2017-01-16 | 2018-07-24 | 北海和思科技有限公司 | A kind of draft tool dowel device |
| CN106826678A (en) * | 2017-04-06 | 2017-06-13 | 中交天津航道局有限公司 | A kind of withdrawing fuel injector specific purpose tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151008 |
|
| EXPY | Termination of patent right or utility model |