CN105459013A - Hydraulic support hinge pin detaching device - Google Patents
Hydraulic support hinge pin detaching device Download PDFInfo
- Publication number
- CN105459013A CN105459013A CN201610019657.1A CN201610019657A CN105459013A CN 105459013 A CN105459013 A CN 105459013A CN 201610019657 A CN201610019657 A CN 201610019657A CN 105459013 A CN105459013 A CN 105459013A
- Authority
- CN
- China
- Prior art keywords
- pin
- hydraulic support
- detaching device
- hinge pin
- weld holder
- 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.)
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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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
Abstract
The invention discloses a hydraulic support hinge pin detaching device. The hydraulic support hinge pin detaching device comprises an axial cylinder, a pneumatic vibrator, a welding rack and a ball screw, wherein a semi-cylindrical sleeve serves as an axial pulling fulcrum, and axial movement, integral vibration and local rotation can be realized simultaneously. The pneumatic vibrator is mounted on the welding rack, the welding rack is welded with a stepped dowel, the stepped dowel is mounted at an end of the hinge pin, the ball screw is connected with the welding rack through a lead screw nut, the effect of rotating the hinge pin automatically is achieved while axial tension is provided through the axial cylinder, the semi-cylindrical sleeve is fixed with the outer wall of the cylinder, the other end of the semi-cylindrical sleeve is propped against the surface of the hydraulic support during operation, and the axial pulling fulcrum is provided. Compressed air serves as a power source, the hinge pin detaching efficiency can be improved obviously, one-step detaching success rate can be improved by pulling, reversing and vibrating combination operation, destructive detachment is avoided effectively, and the problem that an existing hydraulic support hinge pin is difficult to detach and the like is solved.
Description
Technical field
The invention belongs to mining machinery technical field, be specifically related to a kind of hydraulic support detaching device for pin shaft.
Background technology
Hydraulic support is used to the works controlling coal-face mine pressure, on market, the demand of large hydraulic support increases day by day, large hydraulic support volume is large, weight is large, need in the fabrication process to take into large hydraulic support apart parts, reprocess to facilitate, transport, go into the well, but the dismounting of hydraulic support bearing pin is also a very stubborn problem at present, the reason of its dismounting difficulty is as follows:
1, support does not use in long-time and hydraulic support body junction component can be caused hinged, and bearing pin corrosion is serious and the finely ground particle substances such as down-hole sand dust easily enter formation obstruction in fit clearance;
2, time of using in down-hole of support is long, causes the bearing pin corrosion heavy wear joined between set cap and caving shield to occur groove step, and there is compressive deformation buckling phenomenon;
Inside when 3, taking out bearing pin may there is negative pressure and cause being difficult to extract in blind hole.
Current existing hydraulic support pin shaft disassembling tool utilizes hydraulic cylinder to be extracted by bearing pin by welding with bearing pin mostly, but because field stripping power source is hydraulic pressure, need pumping plant, maintenance is inconvenient, easy leakage, pollute large, and there is the problems such as above-mentioned difficult dismounting in bearing pin itself, extract relative difficulty and often occur the situation that welding portion fracture or bearing pin pull off, therefore a dismounting difficult problem for hydraulic support bearing pin is urgently to be resolved hurrily at present, invents a kind of safe and reliable detaching device for pin shaft and has important practical significance to downhole safety production.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of handling safety, safe and reliable hydraulic support detaching device for pin shaft are provided.
It is many that airduct is laid in down-hole, source of the gas is convenient to use, a kind of hydraulic support detaching device for pin shaft, adopt compressed air as power source, comprise axial cylinder, pneumatic vibrator, weld holder and ball-screw, adopting semi-cylindrical sleeve as axially pulling fulcrum, can realize moving axially in dismounting hinge pin process simultaneously, body vibration and partial rotational.Described pneumatic vibrator is arranged on weld holder, weld holder welds with ladder pin, ladder pin is arranged on end part of pin shaft, described ball-screw is connected with weld holder by feed screw nut, the effect of automatic rotating pin is played provide axial tension by axial cylinder in dismounting hinge pin process while, described sleeve is fixed by holding screw and cylinder outer wall, and the other end leans against hydraulic support surface when operation, provides and axially pulls fulcrum.
Further describing as technique scheme:
Described axial cylinder and vibrator are using compressed air as power source, and cylinder, by ball-screw and weld holder and pinned connection, realizes moving axially of bearing pin.
Further describing as technique scheme:
Weld holder is closed frame structure, pneumatic vibrator is housed above, and weld holder one end is welded on pin and connects bearing pin, and the other end connects axial cylinder by ball-screw.
Further describing as technique scheme:
Described pneumatic vibrator, by weld holder and pinned connection, provides body vibration in unloading process, increases the gap between bearing pin and axis hole, is beneficial to the field-strip of axial cylinder.
Further describing as technique scheme:
Ball-screw is connected with weld holder by feed screw nut, in dismounting hinge pin process, axial cylinder connects ball-screw by fixed pin shaft and does axially-movable, makes weld holder and bearing pin have rotation trend even to produce rotation, be conducive to reducing the frictional force between bearing pin and axis hole, bearing pin is extracted smoothly.
Further describing as technique scheme:
Semi-cylindrical sleeve is installed in described axial cylinder end, and the sleeve other end leans against hydraulic support surface when operation, provides and axially pulls fulcrum.
Further describing as technique scheme:
Described hydraulic support detaching device for pin shaft can realize moving axially in dismounting hinge pin process simultaneously, body vibration and partial rotational, avoids the problem that the damage of bearing pin in unloading process or pin fracture cannot be implemented to dismantle to the full extent.
The present invention adopts compressed air as power source, structure is simple, easy for installation, handling safety, dismounting hinge pin operating efficiency can be significantly improved, can improve and be once disassembled into power, and working stability, dependable performance, efficiently solves current hydraulic support dismounting hinge pin difficulty, sometimes needs the problems such as destructive dismounting.
Be embodied in:
1, unloading process adopts compressed air as power source, is applicable to the aboveground and various explosion-proof environment in down-hole, safe and reliable;
2, adopt closed frame structure as attaching parts, structure is simple, safe and reliable;
3, be indirectly connected with bearing pin by pneumatic vibrator, in unloading process, provide body vibration, increase the gap between bearing pin and axis hole, be beneficial to the field-strip of axial cylinder;
4, ball-screw is connected with weld holder by feed screw nut, in dismounting hinge pin process, cylinder connects while axially-movable done by ball-screw can make weld holder and bearing pin have rotation trend even to produce rotation, is conducive to reducing the frictional force between bearing pin and axis hole, bearing pin is extracted smoothly;
5, semi-cylindrical sleeve is installed in axial cylinder end, and the sleeve other end leans against hydraulic support surface when operation, provides and axially pulls fulcrum, avoids and provides in outer setting fixture the trouble pulling fulcrum;
6, hydraulic support detaching device for pin shaft can realize moving axially in dismounting hinge pin process simultaneously, body vibration and partial rotational, avoid the problem that the damage of bearing pin in unloading process or pin fracture cannot be implemented to dismantle to the full extent.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is plan structure sectional view of the present invention;
Fig. 3 of the present inventionly faces structural representation.
Detailed description of the invention
See Fig. 1, a kind of hydraulic support detaching device for pin shaft provided by the invention, adopt compressed air as power source, comprise axial cylinder 3, pneumatic vibrator 8, weld holder 7 and ball-screw 5, adopting semi-cylindrical sleeve 1 as axially pulling fulcrum, can realize moving axially in dismounting hinge pin process simultaneously, body vibration and partial rotational.Described pneumatic vibrator 8 is arranged on weld holder 7, weld holder 7 welds with ladder pin 9, ladder pin 9 is arranged on bearing pin 10 end, described ball-screw 5 is connected with weld holder 7 by feed screw nut 6, the effect of automatic rotating pin 10 is played provide axial tension by axial cylinder 3 in bearing pin 10 unloading process while, described semi-cylindrical sleeve 1 is fixed by holding screw 2 and axial cylinder 3 outer wall, and the other end leans against hydraulic support 11 surface when operation, provide and axially pull fulcrum.
Concrete operation step is as follows:
1, first semi-cylindrical sleeve 1 is installed to axial cylinder 3 end by holding screw 2;
2, pneumatic vibrator 8 is installed in weld holder 7;
3, ball-screw 5 is installed, connecting welding frame 7, connects axial cylinder 3 and ball-screw 5 by fixed pin shaft 4;
4, ladder pin 9 is loaded bearing pin 10 end thread hole;
5; Semi-cylindrical sleeve 1 other end of the single unit system installed is come on hydraulic support 11;
6, ladder pin 9 and weld holder 7 are welded;
7, open air-compressor valve, start pneumatic vibrator 8, connect axial cylinder 3 air inlet and make axial cylinder 3 piston retraction, axially pull ball-screw 5, device starts bearing pin 10 dismantlement work.
The overall compressed air that adopts is as power source, and structure is simple, easy for installation, handling safety, can significantly improve dismounting hinge pin operating efficiency, reduce probability of failure, and working stability, dependable performance, effectively can avoid destructive dismounting, solve the difficult problems such as current hydraulic support dismounting hinge pin difficulty.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a hydraulic support detaching device for pin shaft, comprise axial cylinder, pneumatic vibrator, weld holder and ball-screw, adopting semi-cylindrical sleeve as axially pulling fulcrum, can realize moving axially in dismounting hinge pin process simultaneously, body vibration and partial rotational.Described pneumatic vibrator is arranged on weld holder, weld holder welds with ladder pin, ladder pin is arranged on end part of pin shaft, described ball-screw is connected with weld holder by feed screw nut, the effect of automatic rotating pin is played provide axial tension by axial cylinder in dismounting hinge pin process while, described sleeve is fixed by holding screw and axial cylinder outer wall, and the other end leans against hydraulic support surface when operation, provides and axially pulls fulcrum.
2. hydraulic support detaching device for pin shaft according to claim 1, is characterized in that: described axial cylinder and vibrator are using compressed air as power source, and cylinder, by ball-screw and weld holder and pinned connection, realizes moving axially of bearing pin.
3. hydraulic support detaching device for pin shaft according to claim 1, it is characterized in that: described weld holder is closed frame structure, pneumatic vibrator is housed above, weld holder one end is welded on ladder pin and connects bearing pin, and the other end connects axial cylinder by ball-screw.
4. the hydraulic support detaching device for pin shaft according to claim 1,2 or 3, it is characterized in that: described pneumatic vibrator is connected indirectly with bearing pin, in unloading process, provide body vibration, increase the gap between bearing pin and axis hole, be beneficial to the field-strip of axial cylinder.
5. the hydraulic support detaching device for pin shaft according to claim 1,2 or 3, it is characterized in that: described ball-screw is connected with weld holder by feed screw nut, in dismounting hinge pin process, cylinder connects ball-screw and does axially-movable, weld holder and bearing pin is made to have rotation trend even to produce rotation, be conducive to reducing the frictional force between bearing pin and axis hole, bearing pin is extracted smoothly.
6. the hydraulic support detaching device for pin shaft according to claim 1,2, is characterized in that: semi-cylindrical sleeve is installed in described axial cylinder end, and the sleeve other end leans against hydraulic support surface when operation, provides and axially pulls fulcrum.
7. hydraulic support detaching device for pin shaft according to claims 2 to 5, it is characterized in that: hydraulic support detaching device for pin shaft realizes respectively moving axially in dismounting hinge pin process, body vibration and partial rotational, avoid the problem that the damage of bearing pin in unloading process or pin fracture cannot be implemented to dismantle to the full extent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019657.1A CN105459013B (en) | 2016-01-08 | 2016-01-08 | Hydraulic support detaching device for pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019657.1A CN105459013B (en) | 2016-01-08 | 2016-01-08 | Hydraulic support detaching device for pin shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105459013A true CN105459013A (en) | 2016-04-06 |
| CN105459013B CN105459013B (en) | 2017-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019657.1A Active CN105459013B (en) | 2016-01-08 | 2016-01-08 | Hydraulic support detaching device for pin shaft |
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| Country | Link |
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| CN (1) | CN105459013B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877117A (en) * | 2017-11-15 | 2018-04-06 | 广州文冲船厂有限责任公司 | A kind of installation of reamer head and provision for disengagement |
| CN108581931A (en) * | 2018-05-14 | 2018-09-28 | 汪丽 | A kind of large-scale mine hydraulic support detaching device for pin shaft |
| CN109570963A (en) * | 2018-10-18 | 2019-04-05 | 上海中联重科桩工机械有限公司 | Pin shaft plug-in and pull-off device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701649A (en) * | 1996-04-16 | 1997-12-30 | Hydra-Tech International Corporation | Coupled draft key puller |
| US5931231A (en) * | 1996-06-27 | 1999-08-03 | Bucyrus International, Inc. | Blast hole drill pipe gripping mechanism |
| CN2411086Y (en) * | 2000-02-25 | 2000-12-20 | 赖锦溢 | Morse taper-shank handle separator |
| CN2411874Y (en) * | 2000-01-05 | 2000-12-27 | 胜利石油管理局孤东采油厂 | Crank pin puller of beam unit |
| CN205310150U (en) * | 2016-01-08 | 2016-06-15 | 安徽理工大学 | Hydraulic support round pin axle dismounting device |
-
2016
- 2016-01-08 CN CN201610019657.1A patent/CN105459013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701649A (en) * | 1996-04-16 | 1997-12-30 | Hydra-Tech International Corporation | Coupled draft key puller |
| US5931231A (en) * | 1996-06-27 | 1999-08-03 | Bucyrus International, Inc. | Blast hole drill pipe gripping mechanism |
| CN2411874Y (en) * | 2000-01-05 | 2000-12-27 | 胜利石油管理局孤东采油厂 | Crank pin puller of beam unit |
| CN2411086Y (en) * | 2000-02-25 | 2000-12-20 | 赖锦溢 | Morse taper-shank handle separator |
| CN205310150U (en) * | 2016-01-08 | 2016-06-15 | 安徽理工大学 | Hydraulic support round pin axle dismounting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877117A (en) * | 2017-11-15 | 2018-04-06 | 广州文冲船厂有限责任公司 | A kind of installation of reamer head and provision for disengagement |
| CN108581931A (en) * | 2018-05-14 | 2018-09-28 | 汪丽 | A kind of large-scale mine hydraulic support detaching device for pin shaft |
| CN108581931B (en) * | 2018-05-14 | 2020-01-07 | 吉林大黑山钼业股份有限公司 | Large-scale mining hydraulic support round pin axle dismounting device |
| CN109570963A (en) * | 2018-10-18 | 2019-04-05 | 上海中联重科桩工机械有限公司 | Pin shaft plug-in and pull-off device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105459013B (en) | 2017-06-27 |
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Effective date of registration: 20191212 Address after: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee after: Anhui Eagle Dragon Industrial Design Co., Ltd. Address before: 232001 Anhui Province, Huainan city Shungeng Road No. 168 Patentee before: Anhui University Of Science And Technology |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191225 Address after: 224300 group 5, shengliqiao village, CHANGDANG Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Yancheng Shenghua Coal Machinery Co., Ltd Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee before: Anhui Eagle Dragon Industrial Design Co., Ltd. |