CN204525342U - A kind of chain hinge pin stripping attachment - Google Patents
A kind of chain hinge pin stripping attachment Download PDFInfo
- Publication number
- CN204525342U CN204525342U CN201520147239.1U CN201520147239U CN204525342U CN 204525342 U CN204525342 U CN 204525342U CN 201520147239 U CN201520147239 U CN 201520147239U CN 204525342 U CN204525342 U CN 204525342U
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- Prior art keywords
- chain
- bearing pin
- threaded screw
- hydraulic jack
- screw rod
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Abstract
The utility model relates to a kind of chain hinge pin stripping attachment, comprise Manual hydraulic jack, the cylinder body front end of Manual hydraulic jack is provided with threaded screw rod, the inner chamber of threaded screw rod is provided with plunger rod, the rear end of Manual hydraulic jack is provided with pressurized handgrip, threaded screw rod is connected with ring flange, be plugged with bolt respectively in the two through hole up and down of ring flange and be fixedly connected with by nut, the other end of two bolts to be inserted in respectively in the above-below direction two through hole of cross and to be fixedly connected with by nut, and the horizontal direction axis being parallel of cross is in chain place to be torn open plane; The front end of plunger rod is provided with bearing pin jacking block, the axis of bearing pin jacking block length direction is horizontal and be parallel to the horizontal direction axis of cross, the front end face of bearing pin jacking block is arranged with two counterbores, be plugged with bearing pin push rod respectively in two counterbores, the centre-to-centre spacing of two bearing pin push rods is identical with the chain pitch of chain to be torn open.This stripping attachment can dismantle chain hinge pin quickly and safely, extends the service life of chain.
Description
Technical field
The utility model relates to a kind of drive apparatus maintenance tool, particularly a kind of chain hinge pin stripping attachment.
Background technology
The a lot of equipment of oil drilling adopts chain drive to transmit power, due to drilling crew's field work, objective environment is comparatively severe, accelerate the wearing and tearing of driving chain, need often to carry out replacing maintaining to chain, also need to do the work of dismounting chain in resettlement installation process, the chain of different size joint number all needs the chain sheet on chain link take out one by one or load in dismounting assembling process, and chain outer plate adopts tight fit locking chain hinge pin, therefore the dismounting of chain hinge pin is very difficult.
At present, owing to not having special to unload chain device instrument at present, site operation personnel need by means of the instrument such as hammer, chisel usually, and manpower knocks the way dismounting chain of chain hinge pin or chain sheet.Because oil-well drilling equipment arranges general layout relative compact, its chain present position narrow space, cause maintenance personal's erect-position and beat the limited space of hammer, dismantlement work becomes relative difficulty.In addition, because chain pin adopts high strength, Hardmetal materials, there is certain brittle deformation, chain hinge pin embrittlement is easily made when hammer knocks with sudden force,, there is certain potential safety hazard in scrap iron from splashing, the scum especially splashed easily injures eyes, moreover remove and install difficult time and effort consuming, directly affect drilling crew's construction speed.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, provides a kind of chain hinge pin stripping attachment, can dismantle chain hinge pin quickly and safely, increase work efficiency, and extends the service life of chain.
For solving above technical problem, a kind of chain hinge pin stripping attachment of the present utility model, comprise Manual hydraulic jack, the cylinder body front end of described Manual hydraulic jack is provided with threaded screw rod, the inner chamber of described threaded screw rod is provided with under hydraulic action can outwardly directed plunger rod, described plunger rod and described threaded screw rod coaxial line, described threaded screw rod is connected with ring flange, be plugged with bolt respectively in the two through hole up and down of described ring flange and be fixedly connected with by nut, the other end of bolt described in two to be inserted in respectively in the above-below direction two through hole of cross and to be fixedly connected with by nut, the horizontal direction axis being parallel of described cross is in chain place to be torn open plane, the front end of described plunger rod is provided with bearing pin jacking block, the axis of described bearing pin jacking block length direction is horizontal and be parallel to the horizontal direction axis of described cross, the front end face of described bearing pin jacking block is arranged with two counterbores, be plugged with bearing pin push rod respectively in counterbore described in two, described in two, the centre-to-centre spacing of bearing pin push rod is identical with the chain pitch of chain to be torn open.
Relative to prior art, the utility model achieves following beneficial effect: during dismounting chain hinge pin, inserted by cross in the gap of chain to be torn open, that is with through hole is placed in above-below direction, and the horizontal direction cross bar of cross is resisted against on carrier bar; Load onto bearing pin jacking block in the front end of plunger rod, insert bearing pin push rod in the counterbore of bearing pin jacking block, the front end face of two bearing pin push rods withstands on the end face of chain hinge pin to be torn open; The position of regulating flange dish on threaded screw rod fastening nut makes bolt and cross in being rigidly connected; Progressively plunger rod is ejected, make bearing pin push rod and cross and carrier bar generation relative motion by bearing pin jacking block, make the carrier bar of active end leave chain hinge pin and be accomplished dismounting.Use this stripping attachment can specification disassembling section code, improve operating efficiency, without the need to knocking, extending the service life of chain, reducing production cost.
As preferred version of the present utility model, described bearing pin push rod is respectively installed with sliding sleeve, the internal diameter of described sliding sleeve is suitable with the pin diameter of chain to be torn open.Before pressure pressurized handgrip, by the end of the front end sleeve of sliding sleeve at chain hinge pin, can guarantee that the chain hinge pin pushed up aimed at by bearing pin push rod, prevent top partially.
As preferred version of the present utility model, the rear end of described Manual hydraulic jack is provided with pressurized handgrip, and the cylinder body of described Manual hydraulic jack is provided with release knob.Progressively depress pressurized handgrip plunger rod to be ejected, after dismounting, twisting release knob, can make jack release.
Accompanying drawing explanation
Be described in further detail the utility model below in conjunction with the drawings and specific embodiments, accompanying drawing only provides reference and explanation use, is not used to limit the utility model.
Fig. 1 is the structural representation of the utility model chain hinge pin stripping attachment.
In figure: 1. Manual hydraulic jack; 1a. pressurized handgrip; 1b. release knob; 1c. threaded screw rod; 1d. plunger rod; 2. ring flange; 3. cross; 4. bolt; 5. bearing pin jacking block; 6. bearing pin push rod; 7. sliding sleeve; 8. chain; 8a. bearing pin.
Detailed description of the invention
As shown in Figure 1, chain hinge pin stripping attachment of the present utility model, comprise Manual hydraulic jack 1, the cylinder body front end of Manual hydraulic jack 1 is provided with threaded screw rod 1c, the inner chamber of threaded screw rod 1c is provided with under hydraulic action can outwardly directed plunger rod 1d, plunger rod 1d and threaded screw rod 1c coaxial line, the rear end of Manual hydraulic jack 1 is provided with pressurized handgrip 1a, the cylinder body of Manual hydraulic jack 1 is provided with release knob 1b, threaded screw rod 1c is connected with ring flange 2, be plugged with bolt 4 respectively in the two through hole up and down of ring flange 2 and be fixedly connected with by nut, the other end of two bolts 4 to be inserted in respectively in the above-below direction two through hole of cross 3 and to be fixedly connected with by nut, the horizontal direction axis being parallel of cross 3 is in chain 8 place to be torn open plane, the front end of plunger rod 1d is provided with bearing pin jacking block 5, the axis of bearing pin jacking block 5 length direction is horizontal and be parallel to the horizontal direction axis of cross 3, the front end face of bearing pin jacking block 5 is arranged with two counterbores, the centre-to-centre spacing being plugged with bearing pin push rod 6, two bearing pin push rod 6 in two counterbores is respectively identical with the chain pitch of chain to be torn open.Bearing pin push rod 6 is respectively installed with sliding sleeve 7, the internal diameter of sliding sleeve 7 is suitable with the bearing pin 8a diameter of chain 8 to be torn open.
During dismounting chain hinge pin 8a, inserted by cross 3 in the gap of chain 8 to be torn open, that is with through hole is placed in above-below direction, and the horizontal direction cross bar of cross 3 is resisted against on carrier bar; Load onto bearing pin jacking block 5 in the front end of plunger rod 1d, the front end face inserting bearing pin push rod 6, two bearing pin push rod 6 in the counterbore of bearing pin jacking block 5 withstands on the end face of chain hinge pin to be torn open; By the end of the front end sleeve of sliding sleeve 7 at chain hinge pin 8a, can guarantee that the chain hinge pin 8a pushed up aimed at by bearing pin push rod 6, prevent top partially.The position of regulating flange dish 2 on threaded screw rod 1c fastening nut makes bolt and cross 3 in being rigidly connected; Progressively depress pressurized handgrip 1a plunger rod is ejected, make bearing pin push rod 6 and cross 3 and carrier bar generation relative motion by bearing pin jacking block 5, make the carrier bar of active end leave chain hinge pin and be accomplished dismounting.
The foregoing is only the better possible embodiments of the utility model, non-ly therefore limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (3)
1. a chain hinge pin stripping attachment, comprise Manual hydraulic jack, the cylinder body front end of described Manual hydraulic jack is provided with threaded screw rod, the inner chamber of described threaded screw rod is provided with under hydraulic action can outwardly directed plunger rod, described plunger rod and described threaded screw rod coaxial line, it is characterized in that: described threaded screw rod is connected with ring flange, be plugged with bolt respectively in the two through hole up and down of described ring flange and be fixedly connected with by nut, the other end of bolt described in two to be inserted in respectively in the above-below direction two through hole of cross and to be fixedly connected with by nut, the horizontal direction axis being parallel of described cross is in chain place to be torn open plane, the front end of described plunger rod is provided with bearing pin jacking block, the axis of described bearing pin jacking block length direction is horizontal and be parallel to the horizontal direction axis of described cross, the front end face of described bearing pin jacking block is arranged with two counterbores, be plugged with bearing pin push rod respectively in counterbore described in two, described in two, the centre-to-centre spacing of bearing pin push rod is identical with the chain pitch of chain to be torn open.
2. chain hinge pin stripping attachment according to claim 1, is characterized in that: described bearing pin push rod is respectively installed with sliding sleeve, and the internal diameter of described sliding sleeve is suitable with the pin diameter of chain to be torn open.
3. chain hinge pin stripping attachment according to claim 1, is characterized in that: the rear end of described Manual hydraulic jack is provided with pressurized handgrip, the cylinder body of described Manual hydraulic jack is provided with release knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147239.1U CN204525342U (en) | 2015-03-16 | 2015-03-16 | A kind of chain hinge pin stripping attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147239.1U CN204525342U (en) | 2015-03-16 | 2015-03-16 | A kind of chain hinge pin stripping attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204525342U true CN204525342U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520147239.1U Active CN204525342U (en) | 2015-03-16 | 2015-03-16 | A kind of chain hinge pin stripping attachment |
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| CN (1) | CN204525342U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552718A (en) * | 2017-10-16 | 2018-01-09 | 杭州自强链传动有限公司 | A kind of step chains are general to tear riveting device open |
| CN109434007A (en) * | 2018-12-07 | 2019-03-08 | 泉州市华茂机械设备有限公司 | A kind of console mode chain link changer |
| CN109746661A (en) * | 2019-03-14 | 2019-05-14 | 开滦(集团)有限责任公司技术中心 | Dress pin assembly is quickly pulled out suitable for hydraulic support |
| CN115609283A (en) * | 2022-12-19 | 2023-01-17 | 廊坊新时代链条输送设备有限公司 | Heavy chain dismounting device and dismounting method |
-
2015
- 2015-03-16 CN CN201520147239.1U patent/CN204525342U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552718A (en) * | 2017-10-16 | 2018-01-09 | 杭州自强链传动有限公司 | A kind of step chains are general to tear riveting device open |
| CN107552718B (en) * | 2017-10-16 | 2024-04-19 | 杭州自强链传动有限公司 | General rivet removing device for step chain |
| CN109434007A (en) * | 2018-12-07 | 2019-03-08 | 泉州市华茂机械设备有限公司 | A kind of console mode chain link changer |
| CN109746661A (en) * | 2019-03-14 | 2019-05-14 | 开滦(集团)有限责任公司技术中心 | Dress pin assembly is quickly pulled out suitable for hydraulic support |
| CN115609283A (en) * | 2022-12-19 | 2023-01-17 | 廊坊新时代链条输送设备有限公司 | Heavy chain dismounting device and dismounting method |
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| GR01 | Patent grant |