CN205310150U - Hydraulic support round pin axle dismounting device - Google Patents

Hydraulic support round pin axle dismounting device Download PDF

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Publication number
CN205310150U
CN205310150U CN201620028427.7U CN201620028427U CN205310150U CN 205310150 U CN205310150 U CN 205310150U CN 201620028427 U CN201620028427 U CN 201620028427U CN 205310150 U CN205310150 U CN 205310150U
Authority
CN
China
Prior art keywords
hydraulic support
pin
weld holder
axial
pin axle
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
Application number
CN201620028427.7U
Other languages
Chinese (zh)
Inventor
吴吉莹
阮学云
丁恒
陈华
苏童
马强强
刘丹丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui University of Science and Technology
Original Assignee
Anhui University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN201620028427.7U priority Critical patent/CN205310150U/en
Application granted granted Critical
Publication of CN205310150U publication Critical patent/CN205310150U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a hydraulic support round pin axle dismounting device, including axial cylinder, pneumatic vibrator, weld holder and ball, adopt the semi -cylindrical sleeve to draw as the axial and drag the fulcrum, can realize axial displacement, whole vibration and local the rotation simultaneously. Pneumatic vibrator installs on the weld holder, and weld holder and the welding of ladder pin, ladder pin are installed in round pin axle head portion, ball passes through screw nut and is connected with the weld holder, plays the effect of automatic rotational pin axle when providing axial tension through the axial cylinder, semi -cylindrical sleeve and cylinder outer wall are fixed, and the other end leans on when the operation on the hydraulic support surface, provide the axial and draw and drag the fulcrum. The utility model discloses a compressed air can obviously improve the round pin axle and dismantle a work efficiency as the power supply, drags, twists reverse through drawing and vibrate combined operation, can improve once to dismantle the success rate, effectively avoid destructive and dismantle, solve difficult problems such as present hydraulic support round pin axle dismantlement difficulty.

Description

Hydraulic support detaching device for pin shaft
Technical field
This utility model belongs to mining machinery technical field, is specifically related to a kind of hydraulic support detaching device for pin shaft.
Background technology
Hydraulic support is used to control the works of coal-face mine pressure, on market, the demand of large hydraulic support increases day by day, large hydraulic support volume is big, weight is big, 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 can cause that hydraulic support body junction component is hinged, and bearing pin corrosion is serious and the finely ground particle substance such as down-hole sand dust easily enters to be formed in fit clearance and blocks;
2, the time that support uses in down-hole is long, causes the bearing pin corrosion heavy wear of handing-over between set cap and caving shield groove step occur, and there is compressive deformation buckling phenomenon;
Inside when 3, taking out bearing pin, blind hole would be likely to occur negative pressure and causes being difficult to extract.
Current existing hydraulic support pin shaft disassembling tool utilizes hydraulic cylinder to be extracted by bearing pin by welding with bearing pin mostly, but owing to field stripping power source is hydraulic pressure, need pumping plant, maintenance inconvenience, easily reveal, pollute big, and there is the problems such as above-mentioned difficult dismounting in bearing pin itself, extract relative difficulty and the situation that welding portion fracture or bearing pin pull off often occurs, 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 downhole safety production is had important practical significance.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of operate safety, safe and reliable hydraulic support detaching device for pin shaft.
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 compression air as power source, including axial cylinder, pneumatic vibrator, weld holder and ball-screw, adopt semi-cylindrical sleeve as axially pulling fulcrum, can realize moving axially in dismounting hinge pin process, body vibration and partial rotational simultaneously. 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, dismounting hinge pin process is provided the effect simultaneously working as automatic rotating pin of axial tension by axial cylinder, described sleeve is fixed by holding screw and cylinder outer wall, and the other end leans against hydraulic support surface when operation, it is provided that axially pull fulcrum.
Further describing as technique scheme:
Described axial cylinder and vibrator are to compress air as power source, and cylinder is connected with bearing pin by ball-screw and weld holder, it is achieved moving axially of bearing pin.
Further describing as technique scheme:
Weld holder is the frame structure of Guan Bi, is fitted with pneumatic vibrator, and weld holder one end is welded on pin, and the other end connects axial cylinder by ball-screw.
Further describing as technique scheme:
Described pneumatic vibrator is connected with bearing pin by weld holder, provides body vibration, increase the gap between bearing pin and axis hole, be beneficial to the dismounting operation of axial cylinder in unloading process.
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 to rotate, be conducive to reducing the frictional force between bearing pin and axis hole, make bearing pin extract 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, it is provided that axially pull 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 bearing pin damage in unloading process to the full extent or problem that pin fracture cannot implement dismounting.
This utility model adopts compression air as power source, simple in construction, easy for installation, operation safety, dismounting hinge pin work efficiency can be significantly improved, can improve and be once disassembled into power, and working stability, dependable performance, efficiently solve current hydraulic support dismounting hinge pin difficulty, sometimes need the problems such as destructive dismounting.
It is embodied in:
1, unloading process adopts compression air as power source, it is adaptable to the aboveground and various explosion-proof environment in down-hole, safe and reliable;
2, adopt the frame structure of Guan Bi as connection member, simple in construction, safe and reliable;
3, it is indirectly connected with by pneumatic vibrator and bearing pin, unloading process provides body vibration, increases the gap between bearing pin and axis hole, be beneficial to the dismounting operation of axial cylinder;
4, ball-screw is connected with weld holder by feed screw nut, in dismounting hinge pin process, cylinder connects can make weld holder and bearing pin have rotation trend even to produce to rotate while axially-movable done by ball-screw, be conducive to reducing the frictional force between bearing pin and axis hole, make bearing pin extract smoothly;
5, semi-cylindrical sleeve is installed in axial cylinder end, and the sleeve other end leans against hydraulic support surface when operation, it is provided that axially pull fulcrum, it is to avoid arranges fixing device in outside and provides 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 bearing pin damage in unloading process to the full extent or problem that pin fracture cannot implement dismounting.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is plan structure sectional view of the present utility model;
Fig. 3 of the present utility model faces structural representation.
Detailed description of the invention
Referring to Fig. 1, a kind of hydraulic support detaching device for pin shaft that this utility model provides, adopt compression air as power source, including axial cylinder 3, pneumatic vibrator 8, weld holder 7 and ball-screw 5, adopt semi-cylindrical sleeve 1 as axially pulling fulcrum, can realize moving axially in dismounting hinge pin process, body vibration and partial rotational simultaneously.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, bearing pin 10 unloading process is provided the effect simultaneously working as automatic rotating pin 10 of axial tension by axial cylinder 3, 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, it is provided that 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, connect 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, opening 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.
Overall adopt compression air as power source, simple in construction, easy for installation, operation safety, can significantly improve dismounting hinge pin work efficiency, reduce probability of failure, and working stability, dependable performance, can be prevented effectively from destructive dismounting, solve the difficult problems such as current hydraulic support dismounting hinge pin difficulty.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model. It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (4)

1. a hydraulic support detaching device for pin shaft, including axial cylinder, pneumatic vibrator, weld holder, and ball-screw, adopt semi-cylindrical sleeve as axially pulling fulcrum, dismounting hinge pin process can realize moving axially 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, dismounting hinge pin process is provided the effect simultaneously working as automatic rotating pin of axial tension by axial cylinder, described sleeve is fixed by holding screw and axial cylinder outer wall, the other end leans against hydraulic support surface when operation, there is provided and axially pull fulcrum.
2. hydraulic support detaching device for pin shaft according to claim 1, it is characterised in that: described axial cylinder and vibrator are to compress air as power source, and cylinder is connected with bearing pin by ball-screw and weld holder, it is achieved moving axially of bearing pin.
3. hydraulic support detaching device for pin shaft according to claim 1, it is characterised in that: described weld holder is the frame structure of Guan Bi, is fitted with pneumatic vibrator, and weld holder one end is welded on ladder pin, and the other end connects axial cylinder by ball-screw.
4. hydraulic support detaching device for pin shaft according to claim 1, it is characterised in that: semi-cylindrical sleeve is installed in described axial cylinder end, and the sleeve other end leans against hydraulic support surface when operation, it is provided that axially pull fulcrum.
CN201620028427.7U 2016-01-08 2016-01-08 Hydraulic support round pin axle dismounting device Expired - Fee Related CN205310150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620028427.7U CN205310150U (en) 2016-01-08 2016-01-08 Hydraulic support round pin axle dismounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620028427.7U CN205310150U (en) 2016-01-08 2016-01-08 Hydraulic support round pin axle dismounting device

Publications (1)

Publication Number Publication Date
CN205310150U true CN205310150U (en) 2016-06-15

Family

ID=56202124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620028427.7U Expired - Fee Related CN205310150U (en) 2016-01-08 2016-01-08 Hydraulic support round pin axle dismounting device

Country Status (1)

Country Link
CN (1) CN205310150U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105459013A (en) * 2016-01-08 2016-04-06 安徽理工大学 Hydraulic support hinge pin detaching device
CN106475957A (en) * 2016-11-29 2017-03-08 淮北矿业股份有限公司 A kind of comprehensive pick equipment means for tearing-down pin shaft of fully mechanized mining and its using method
CN110065029A (en) * 2019-06-04 2019-07-30 北京智宏科信科技发展有限公司 Pin assembling/disassembling tool and guide dismantling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105459013A (en) * 2016-01-08 2016-04-06 安徽理工大学 Hydraulic support hinge pin detaching device
CN106475957A (en) * 2016-11-29 2017-03-08 淮北矿业股份有限公司 A kind of comprehensive pick equipment means for tearing-down pin shaft of fully mechanized mining and its using method
CN110065029A (en) * 2019-06-04 2019-07-30 北京智宏科信科技发展有限公司 Pin assembling/disassembling tool and guide dismantling device

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160615

Termination date: 20180108