CN204339251U - A kind of hydraulic pin remover - Google Patents
A kind of hydraulic pin remover Download PDFInfo
- Publication number
- CN204339251U CN204339251U CN201420853689.8U CN201420853689U CN204339251U CN 204339251 U CN204339251 U CN 204339251U CN 201420853689 U CN201420853689 U CN 201420853689U CN 204339251 U CN204339251 U CN 204339251U
- Authority
- CN
- China
- Prior art keywords
- hollow sleeve
- annular
- pin
- pull bar
- fuel tank
- 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
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 25
- 239000000446 fuel Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 210000003205 muscle Anatomy 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model discloses a kind of hydraulic pin remover, comprise pin puller head, pull bar, plug, rocking bar, hollow sleeve and flange, pin puller head is placed in pull bar one end, the pull bar other end is connected with plug, hollow sleeve is enclosed within pull bar, hollow sleeve two ends are equipped with flange, described hollow sleeve outer side waist position is provided with bracing frame, bracing frame is hinged with rocking bar, flange in the bottom is equipped with pressurized cylinder, described pressurized cylinder built-in piston, rocking bar is connected by connecting rod with piston, the built-in annular hydraulic cylinder of hollow sleeve above support frame as described above, the built-in annular fuel tank of hollow sleeve below support frame as described above, annular fuel tank outer wall has side cover.This kind of hydraulic pin remover can adapt to the work of pulling pin of high strength, greatly alleviates the tired phenomenon of muscle power that workman pulls pin in process, improves the security in mechanical work process.
Description
Technical field
The utility model relates to machining tools art, is specifically related to a kind of hydraulic pin remover.
Background technology
The alignment pin used in frock, fixture, is used for playing the effect of locating element, after completing location tasks, usually needs to use pin removal to be extracted by the alignment pin sunk in part locating hole.
In some frock fields, especially in automobile welding and assembling clamp, substantially all positioning clamping apparatus all need two pins to be located by connecting, when needing repairing or other reasons needs to dismantle locator, because these pins are all interference fit when assembling before, be difficult to dismounting, traditional shock pin removal, easily cause pin discontinuity and bend, not only expend man-hour, also can affect the precision of product, and the shock of high strength is pulled pin work, easy accident makes the finger of workman crush, or causes the fatigue of workman to such an extent as to produce other aspect potential safety hazards.Therefore, now a kind of pin removal that can solve the problem is needed.
Utility model content
This uses novel object to be to provide a kind of hydraulic pin remover, to solve the above-mentioned number of drawbacks caused in prior art.
The technical problem that the utility model solves can realize by the following technical solutions: a kind of hydraulic pin remover, comprise pin puller head, pull bar, plug, rocking bar, hollow sleeve and flange, pin puller head is placed in pull bar one end, the pull bar other end is connected with plug, plug is oblate cylindricality, hollow sleeve is enclosed within pull bar, hollow sleeve two ends are equipped with flange, described hollow sleeve outer side waist position is provided with bracing frame, bracing frame is movably hinged with rocking bar, flange in the bottom is equipped with pressurized cylinder, described pressurized cylinder built-in piston, rocking bar is connected by connecting rod with piston, the built-in annular hydraulic cylinder of hollow sleeve above support frame as described above, in described annular hydraulic cylinder, annular piston is set, annular piston is fixedly connected with L bar, described L bar is fixedly connected with pull bar, annular piston drives pull bar to move up and down in hollow sleeve, oil pipe is connected with between pressurized cylinder and annular hydraulic cylinder, this oil pipe connects the first check valve, described first check valve controls fluid and flows into hydraulic cylinder by pressurized cylinder, the built-in annular fuel tank of hollow sleeve below support frame as described above, annular fuel tank and pressurized cylinder are connected with oil pipe, this oil pipe connects the second check valve, described second check valve controls fluid and flows into pressurized cylinder by annular fuel tank, and described annular hydraulic cylinder and described annular fuel tank are connected with oil pipe, this oil pipe connects fuel outlet valve.
Preferably, described hollow sleeve outer wall has side cover at annular fuel tank place.
Preferably, described hollow sleeve is syllogic, is threaded connection, and screw connection structure is located at above annular piston respectively, between annular hydraulic cylinder and annular fuel tank.
Preferably, described hollow sleeve flange in the bottom bottom surface is provided with cushion.
Preferably, described plug diameter is greater than sleeve diameter, and described plug is hollow-core construction, and described plug top is top cover, and below is blocking head, and both are threaded.
The utility model has the advantage of: this kind of hydraulic pin remover, bottom pin puller head can screw in pin hole, flange in the bottom is placed in around pin, open the side cover at annular fuel tank place, pressing rocking bar, second check valve is closed, first check valve leads directly to, by pressurized cylinder fluid press-in annular hydraulic cylinder, annular piston is moved upward, pull bar is driven to move upward by L bar, thus make pin puller head extract pin, the process that rocking bar lifts, because the first check valve is closed, second check valve leads directly to, fluid flows into pressurized cylinder by fuel tank, after completing the work of pulling pin, open fuel outlet valve, in annular hydraulic cylinder, fluid flows back to fuel tank, pull bar now can be made to reset the work of pulling pin carried out next time.The pulling force of hydraulic pin remover is mild and even, lateral pressure can not be produced to around pin hole, and hydraulic drive is comparatively laborsaving, fluid also can recycle, this kind of hydraulic pin remover can adapt to the work of pulling pin of high strength, greatly alleviate the tired phenomenon of muscle power that workman pulls pin in process, improve the security in mechanical work process, described hollow sleeve is three stage structure, facilitate the replacing of piston and L bar, when malfunction elimination, also can be more quick, with and there is cushion flange in the bottom bottom surface, therefore this kind of hydraulic pin remover is applicable to high-precision profile, be hollow structure in described plug, above it, top cover is threaded with blocking head, workman is facilitated to deposit some tiny screws or other instruments.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hydraulic pin remover described in the utility model.
Fig. 2 is the structural representation sketch of the hollow sleeve portion in Fig. 1.
Fig. 3 is the section simplified schematic diagram of the pin puller head part in Fig. 1.
Wherein: 1-flange, 2-pin puller head, 3-pull bar, 4-hollow sleeve, 5-plug, 6-rocking bar, 7-bracing frame, 8-connecting rod, 9-piston, 10-pressurized cylinder, 11-cushion, 12-L bar, 13-annular piston, 14-annular hydraulic cylinder, 15-annular fuel tank, the 16-the second check valve, 17-the first check valve, 18-fuel outlet valve, 19-side cover.
Detailed description of the invention
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with detailed description of the invention, setting forth the utility model further.
As depicted in figs. 1 and 2, a kind of hydraulic pin remover, comprise pin puller head 2, pull bar 3, plug 5, rocking bar 6, hollow sleeve 4 and flange 1, pin puller head 2 is placed in pull bar 3 one end, pull bar 3 other end is connected with plug 5, described plug 5 is oblate cylindricality, described hollow sleeve 4 is enclosed within pull bar 3, hollow sleeve 4 two ends are equipped with flange 1, described hollow sleeve 4 outer side waist position is provided with bracing frame 7, bracing frame 7 is movably hinged with rocking bar 6, flange 1 bottom described hollow sleeve 4 is equipped with pressurized cylinder 10, described pressurized cylinder 10 built-in piston 9, rocking bar 6 is connected by connecting rod 8 with piston 9, the built-in annular hydraulic cylinder 14 of hollow sleeve 4 above support frame as described above 7, in described annular hydraulic cylinder 14, annular piston 13 is set, annular piston 13 is fixedly connected with L bar 12, described L bar 12 is fixedly connected with pull bar 3, annular piston 13 drives pull bar 3 to move up and down in hollow sleeve 4, oil pipe is connected with between pressurized cylinder 10 and annular hydraulic cylinder 14, this oil pipe connects the first check valve 17, the built-in annular fuel tank 15 of hollow sleeve 4 below support frame as described above 7, annular fuel tank 15 is connected with oil pipe with pressurized cylinder 10, this oil pipe connects the second check valve 16, described first check valve 17, control fluid and flow into pressurized cylinder 10 by annular fuel tank 15, described second check valve 16, control fluid and flow into annular hydraulic cylinder 14 by pressurized cylinder 10, and described annular hydraulic cylinder 14 is connected with oil pipe with described annular fuel tank 15, this oil pipe connects fuel outlet valve 18.
It should be noted that hollow sleeve 4 outer wall has side cover 19 at annular fuel tank 15 place.
In this example, described hollow sleeve 4 is syllogic, is threaded connection, and screw connection structure is located at above annular piston 13 respectively, between annular hydraulic cylinder 14 and annular fuel tank 15.
In this example, described hollow sleeve 4 flange in the bottom 1 bottom surface is provided with cushion 11.
In addition, described plug 5 diameter is greater than hollow sleeve 4 internal diameter, and described plug 5 is hollow-core construction, and described plug 5 top is top cover, and below is blocking head, and both are threaded.
Based on above-mentioned, bottom this kind of hydraulic pin remover, pin puller head 2 can screw in pin hole, flange in the bottom 1 is placed in around pin, open the side cover at annular fuel tank 15 place, by pressing and lift rocking bar 6, control fluid to circulate between pressurized cylinder 10, annular hydraulic cylinder 14 and annular fuel tank 15, make annular piston 13 drive pull bar 3 to move up and down, thus reach the effect pulling up pin puller head 2.This kind of pin removal, effectively can reduce the lateral pressure around to pin by hydraulic drive, improves the efficiency of nail of pulling pin, alleviates the work load of workman.And described cushion 11 effectively can reduce the compressing of the course of work to some high-precision profiles, improves the precision of workpiece, the structure of described plug 5 boxlike, facilitates depositing of some small instruments and tools, improves work task efficiency.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (5)
1. a hydraulic pin remover, comprise pin puller head, pull bar, plug, rocking bar, hollow sleeve and flange, pin puller head is placed in pull bar one end, the pull bar other end is connected with plug, plug is oblate cylindricality, hollow sleeve is enclosed within pull bar, hollow sleeve two ends are equipped with flange, it is characterized in that, described hollow sleeve outer side waist position is provided with bracing frame, bracing frame is movably hinged with rocking bar, flange in the bottom is equipped with pressurized cylinder, described pressurized cylinder built-in piston, rocking bar is connected by connecting rod with piston, the built-in annular hydraulic cylinder of hollow sleeve above support frame as described above, in described annular hydraulic cylinder, annular piston is set, annular piston is fixedly connected with L bar, described L bar is fixedly connected with pull bar, annular piston drives pull bar to move up and down in hollow sleeve, oil pipe is connected with between pressurized cylinder and annular hydraulic cylinder, this oil pipe connects the first check valve, the built-in annular fuel tank of hollow sleeve below support frame as described above, annular fuel tank and pressurized cylinder are connected with oil pipe, this oil pipe connects the second check valve, and described annular hydraulic cylinder and described annular fuel tank are connected with oil pipe, this oil pipe connects fuel outlet valve.
2. a kind of hydraulic pin remover according to claim 1, is characterized in that, described hollow sleeve outer wall has side cover at annular fuel tank place.
3. a kind of hydraulic pin remover according to claim 1, is characterized in that, described hollow sleeve is syllogic, is threaded connection, and screw connection structure is located at above annular piston respectively, between annular hydraulic cylinder and annular fuel tank.
4. a kind of hydraulic pin remover according to claim 1, is characterized in that, described hollow sleeve flange in the bottom bottom surface is provided with cushion.
5. a kind of hydraulic pin remover according to claim 1, is characterized in that, described plug diameter is greater than sleeve diameter, and described plug is hollow-core construction, and described plug top is top cover, and below is blocking head, and both are threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420853689.8U CN204339251U (en) | 2014-12-30 | 2014-12-30 | A kind of hydraulic pin remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420853689.8U CN204339251U (en) | 2014-12-30 | 2014-12-30 | A kind of hydraulic pin remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204339251U true CN204339251U (en) | 2015-05-20 |
Family
ID=53222553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420853689.8U Expired - Fee Related CN204339251U (en) | 2014-12-30 | 2014-12-30 | A kind of hydraulic pin remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204339251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239421A (en) * | 2016-08-05 | 2016-12-21 | 广西大学 | Pneumatic hydraulic pin removal |
| CN108687712A (en) * | 2018-06-19 | 2018-10-23 | 枣庄凯尔实业有限公司 | A kind of mining bracket air pressure pin removal |
-
2014
- 2014-12-30 CN CN201420853689.8U patent/CN204339251U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239421A (en) * | 2016-08-05 | 2016-12-21 | 广西大学 | Pneumatic hydraulic pin removal |
| CN106239421B (en) * | 2016-08-05 | 2018-06-29 | 广西大学 | Pneumatic hydraulic pin removal |
| CN108687712A (en) * | 2018-06-19 | 2018-10-23 | 枣庄凯尔实业有限公司 | A kind of mining bracket air pressure pin removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUNAN XINXIANGYE MACHINERY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: CHEN LIANSHENG Effective date: 20150716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Yizhan Inventor before: Chen Liansheng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN LIANSHENG TO: LI YIZHAN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150716 Address after: 411399 Hunan city of Xiangtan province Shaoshan township of Shaoshan City Duan bambusicola (Shaoshan City Yongquan Science Park Construction Investment Limited company office building six floor) Patentee after: Hunan Xin Xiangye machinery Co., Ltd Address before: Shigu Yongchun County town of Quanzhou City, Fujian province 362600 Ma Village No. 215 Patentee before: Chen Liansheng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171230 |