CN105414929B - The liftout attachment and ejector pin method of hydraulic support bearing pin - Google Patents
The liftout attachment and ejector pin method of hydraulic support bearing pin Download PDFInfo
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- CN105414929B CN105414929B CN201510560985.8A CN201510560985A CN105414929B CN 105414929 B CN105414929 B CN 105414929B CN 201510560985 A CN201510560985 A CN 201510560985A CN 105414929 B CN105414929 B CN 105414929B
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- hydraulic support
- bearing pin
- support bearing
- venting
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 96
- 238000004880 explosion Methods 0.000 claims abstract description 96
- 238000013022 venting Methods 0.000 claims abstract description 96
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 47
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 47
- 238000002309 gasification Methods 0.000 claims abstract description 43
- 238000010008 shearing Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005474 detonation Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Abstract
The present invention relates to the liftout attachment of hydraulic support bearing pin and ejector pin method, including liquid carbon dioxide gasification expander, feature to be：Liquid carbon dioxide gasification expander one end connection venting of dust explosion head, other end connection valve body connector, valve body connector connection pressed end.Provide a kind of ejector pin method of the liftout attachment using hydraulic support bearing pin simultaneously.Liquid carbon dioxide gasification expander one end connection venting of dust explosion head, other end connection valve body connector, valve body connector connection pressed end, and change valve body connector connection regulation end structure into.It is simple in construction, easy to operate, its ejector pin method is ejected into hydraulic support bearing pin surface with from the venting of dust explosion head steam vent of venting of dust explosion head, eject one or both sides hydraulic support bearing pin, safety, it is convenient, deformation, rupture, bending are avoided the occurrence of by ejector pin axle, contrasted with chain block method, decompose support speed it is fast, without potential safety hazard, efficiency high.
Description
Technical field
The present invention relates to a kind of hydraulic support bearing pin extractor and method is exited, more particularly to a kind of hydraulic support bearing pin
Liftout attachment and ejector pin method.
Background technology
The hydraulic support of fully mechanized coal face supporting to withdraw speed directly related to Safety of Coal Mine Production and economic benefit, determine back
It is to decompose the speed of hydraulic support to remove one of key of speed, and the speed for decomposing hydraulic support depends on pulling out for hydraulic support bearing pin
Go out the time.It is particularly particularly important in the situation that fully mechanized coal face periodic weighting is big, spontaneous combustion period is short, surrouding rock deformation is fast, problem.
The time length that hydraulic support uses in underground, under the operating of underground rugged environment and heavy load, is easily produced
Corrosion, some corrosions are serious, and groove step occurs in heavy wear, disassemble difficulty, and compressive deformation buckling phenomenon be present, and bending becomes
Shape cannot take out.
Included in the past when decomposing hydraulic support and exiting pin using method：Dobie method, explosive is pasted in bearing pin surface, people
Member withdraws detonation, and this method operating time is short, and technique is simple, but great potential safety hazard be present, such as easily causes coal dust
The damage parts such as blast, bearing pin, such as deformation, rupturing, bending, cause the secondary difficult increase for removing bearing pin, constructional difficulties are aggravated,
Lose time；Chain block method：When working space is bigger, chain block crane is used by support connecting pin using artificial
Extract；And when working space is narrow, one side stand is coupled using chain block crane using manually and extracted, and opposite side
It is using iron staff that attachment pegs are knocking-on.This method decomposition support speed is slow, potential safety hazard is more, efficiency is low, and each people of bottom class 8 at most divides
3 groups are solved, while is pulled out in Reusability boom hoisting adjusting bracket high and low position, winch towing bracket front and back position so as to crane
Pin.The bad grasp of backing positions during pulling pin, the time length of occupancy；Steel wire rope be present has bullet people, crane chain rupture etc. no
Safety factor.
At present, be badly in need of a kind of simple in construction, easy to operate, safety, efficiency high hydraulic support bearing pin liftout attachment and
Operating method.It is short to reach the engineering time, securely and reliably, spark is not produced after detonation, meets device as defined in safety regulations in coal mine
And method.
The content of the invention
It is an object of the invention to overcome the extractor and operating method technical deficiency of existing hydraulic support bearing pin, there is provided
The liftout attachment and ejector pin method of a kind of hydraulic support bearing pin.
The technical solution adopted for the present invention to solve the technical problems is：A kind of ejection dress of hydraulic support bearing pin is provided
Put, including liquid carbon dioxide gasification expander, liquid carbon dioxide gasification expander one end connection venting of dust explosion head, feature are：
The other end connects valve body connector, valve body connector connection pressed end.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion head, by venting of dust explosion head external screw thread and cylinder internal thread
Realize, venting of dust explosion head is provided with venting of dust explosion head steam vent, and other end connection valve body connector is real by valve body connector internal thread and cylinder external screw thread
It is existing, valve body connector connection pressed end, realized by valve body connector external screw thread and pressed end internal thread, pressed end, which carries, to be compressed
Termination adjustment hole, valve body connector carry detonating cord cable hole.
Wherein：Liquid carbon dioxide gasification expander cylinder one end is provided with shearing piece, other end band with venting of dust explosion head contact jaw
The valve body for having connection detonating cord electro-heat equipment is fixed on valve body by cylinder internal thread and valve body external screw thread, is carried and is filled on valve body
Switch, fill mouth, venting of dust explosion head exhaust bore dia is less than the diameter of hydraulic support bearing pin, and pressed joint diameter is more than hydraulic support pin
The diameter of axle.
A kind of ejector pin method of liftout attachment using hydraulic support bearing pin, including the liftout attachment by hydraulic support bearing pin
Venting of dust explosion head end alignment hydraulic support bearing pin center, pressed joint end alignment opposite side hydraulic support bearing pin center, pass through compression
Termination adjustment hole rotatably compresses joint, the liftout attachment of hydraulic support bearing pin is fixed on the hydraulic support of both sides, and personnel withdraw,
Connecing electrical heating electro-heat equipment by detonating cord makes liquid carbon dioxide gasification expansion, is ejected into from the venting of dust explosion head steam vent of venting of dust explosion head
Hydraulic support bearing pin surface, eject hydraulic support bearing pin.
A kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, feature are：Liquid two
Aoxidize carbon gasification expander one end connection venting of dust explosion head, other end connection valve body connector, valve body connector connection regulation termination.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion head, by venting of dust explosion head external screw thread and cylinder internal thread
Realize, venting of dust explosion head is provided with venting of dust explosion head steam vent, other end connection valve body connector, by valve body connector internal thread and cylinder external screw thread
Realize, valve body connector connection regulation termination, realized by adjusting termination external screw thread with valve body connector screwed hole.
Wherein：Liquid carbon dioxide gasification expander cylinder one end is provided with shearing piece, other end band with venting of dust explosion head contact jaw
The valve body for having connection detonating cord electro-heat equipment is fixed on valve body by cylinder internal thread and valve body external screw thread, is carried and is filled on valve body
Switch, fill mouth, venting of dust explosion head exhaust bore dia is less than the diameter of hydraulic support bearing pin, and regulation tip diameter is less than hydraulic support pin
The diameter of axle.
A kind of ejector pin method of liftout attachment using hydraulic support bearing pin, including the liftout attachment by hydraulic support bearing pin
Venting of dust explosion head end alignment hydraulic support bearing pin center, adjustable side head end alignment opposite side hydraulic support bearing pin center, pass through rotation
Termination is adjusted, the liftout attachment of hydraulic support bearing pin is fixed on the hydraulic support of both sides, personnel are withdrawn, and electricity is connect by detonating cord
Heating electro-heat equipment makes liquid carbon dioxide gasification expansion, and hydraulic support bearing pin table is ejected into from the venting of dust explosion head steam vent of venting of dust explosion head
Face, eject both sides hydraulic support bearing pin.
The beneficial effects of the invention are as follows：The liftout attachment of the hydraulic support bearing pin of the present invention, liquid carbon dioxide gasification are swollen
Swollen device one end connects venting of dust explosion head, other end connection valve body connector, valve body connector connection pressed end, and changes valve body connector company into
Connect regulation end structure.Simple in construction, easy to operate, its ejector pin method is ejected into hydraulic pressure with from the venting of dust explosion head steam vent of venting of dust explosion head
Rack pin shaft surface, eject one or both sides hydraulic support bearing pin, safety, it is convenient, by ejector pin axle avoid the occurrence of deformation, rupture,
Bending, contrasted with chain block method, decompose support speed it is fast, without potential safety hazard, efficiency high.
Brief description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description.
The unidirectional ejector pin structural representation of Fig. 1 present invention；
The unidirectional ejector pin Method And Principle schematic diagram of Fig. 2 present invention；
The two-way ejector pin structural representation of Fig. 3 present invention；
The two-way ejector pin Method And Principle schematic diagram of Fig. 4 present invention.
In figure:18. hydraulic support supporting plate, 19. hydraulic support bearing pins, 20. detonating cords, 21. fill switch, and 22. fill
Mouthful, 23. valve bodies, 24. cylinder internal threads, 25. valve body external screw threads, 26. electro-heat equipments, 27. cylinders, 100. red copper pads, 101.
Shearing piece, 102. venting of dust explosion head external screw threads, 103. venting of dust explosion head steam vents, 104. venting of dust explosion heads, 105. valve body connector internal threads, 106.
Valve body connector, 107. pressed ends, 108. pressed end adjustment holes, 109. pressed end internal threads, the outer spiral shell of 110. valve body connectors
Line, 111. detonating cord cable holes, 112. valve body connectors, 113. valve body connector screwed holes, 114. regulation termination external screw threads,
115. adjust termination.
Embodiment
Embodiment one
Referring to Fig. 1, Fig. 2, a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, it is special
Point is：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, other end connection valve body connector 106, valve body connector
106 connection pressed ends 107.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, by venting of dust explosion head external screw thread 102 and cylinder
27 internal threads realize that venting of dust explosion first 104 is provided with venting of dust explosion head steam vent 103, other end connection valve body connector 106, by valve body connector
Screw thread 105 realizes that valve body connector 106 connects pressed end 107 with the external screw thread of cylinder 27, by valve body connector external screw thread 110 and pressure
Tight termination internal thread 109 realizes that pressed end 107 carries pressed end adjustment hole 108, and valve body connector 106 is walked with detonating cord
String holes 111.
Embodiment two
Referring to Fig. 1, Fig. 2, a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, it is special
Point is：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, other end connection valve body connector 106, valve body connector
106 connection pressed ends 107.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, by venting of dust explosion head external screw thread 102 and cylinder
27 internal threads realize that venting of dust explosion first 104 is provided with venting of dust explosion head steam vent 103, other end connection valve body connector 106, by valve body connector
Screw thread 105 realizes that valve body connector 106 connects pressed end 107 with the external screw thread of cylinder 27, by valve body connector external screw thread 110 and pressure
Tight termination internal thread 109 realizes that pressed end 107 carries pressed end adjustment hole 108, and valve body connector 106 is walked with detonating cord
String holes 111.
Wherein：The one end of liquid carbon dioxide gasification expander cylinder 27 is provided with shearing piece 101 with first 104 contact jaw of venting of dust explosion,
Valve body 23 of the other end with the connection electro-heat equipment 26 of detonating cord 20 is fixed on valve by cylinder internal thread 24 and valve body external screw thread 25
Carried on body 27, on valve body 23 and fill switch 21, fill mouth 22.Cylinder 27 is provided with red copper pad with shearing piece 101 contact site
101。
Embodiment three
Referring to Fig. 1, Fig. 2, a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, it is special
Point is：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, other end connection valve body connector 106, valve body connector
106 connection pressed ends 107.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, by venting of dust explosion head external screw thread 102 and cylinder
27 internal threads realize that venting of dust explosion first 104 is provided with venting of dust explosion head steam vent 103, other end connection valve body connector 106, by valve body connector
Screw thread 105 realizes that valve body connector 106 connects pressed end 107 with the external screw thread of cylinder 27, by valve body connector external screw thread 110 and pressure
Tight termination internal thread 109 realizes that pressed end 107 carries pressed end adjustment hole 108, and valve body connector 106 is walked with detonating cord
String holes 111.
Wherein：The one end of liquid carbon dioxide gasification expander cylinder 27 is provided with shearing piece 101 with first 104 contact jaw of venting of dust explosion,
Valve body 23 of the other end with the connection electro-heat equipment 26 of detonating cord 20 is fixed on valve by cylinder internal thread 24 and valve body external screw thread 25
Carried on body 27, on valve body 23 and fill switch 21, fill mouth 22.Cylinder 27 is provided with red copper pad with shearing piece 101 contact site
101。
Wherein：The diameter of venting of dust explosion head steam vent 103 is less than the diameter of hydraulic support bearing pin 19, and the diameter of pressed joint 107 is more than
The diameter of hydraulic support bearing pin 19.
A kind of ejector pin method of liftout attachment using hydraulic support bearing pin, including the liftout attachment by hydraulic support bearing pin
Venting of dust explosion first 104 end alignment hydraulic support supporting plate 18 on the center of hydraulic support bearing pin 19, the alignment of the end of pressed joint 107 is another
The center of hydraulic support bearing pin 19 in side hydraulic support supporting plate 18, joint is rotatably compressed by pressed end adjustment hole 108
107, the liftout attachment of hydraulic support bearing pin is fixed on the hydraulic support of both sides, personnel withdraw, and connecing electricity by detonating cord 20 adds
Fever device 26 makes liquid carbon dioxide gasification expansion, and hydraulic support is ejected into from the venting of dust explosion head steam vent 103 of venting of dust explosion first 104
The surface of hydraulic support bearing pin 19 in supporting plate 18, eject the hydraulic support bearing pin 19 in hydraulic support supporting plate 18.
Example IV
Referring to Fig. 3, Fig. 4, a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, it is special
Point is：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, other end connection valve body connector 112, valve body connects
The connection regulation of junctor 112 termination 115.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, by venting of dust explosion head external screw thread 102 and cylinder
27 internal threads realize that venting of dust explosion first 104 is provided with venting of dust explosion head steam vent 103, other end connection valve body connector 112, by valve body connector
Internal thread 105 realizes that the connection of valve body connector 112 adjusts termination 115, by adjusting termination external screw thread 114 with the external screw thread of cylinder 27
Realized with valve body connector screwed hole 113.
Embodiment five
Referring to Fig. 3, Fig. 4, a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, it is special
Point is：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, other end connection valve body connector 112, valve body connects
The connection regulation of junctor 112 termination 115.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, by venting of dust explosion head external screw thread 102 and cylinder
27 internal threads realize that venting of dust explosion first 104 is provided with venting of dust explosion head steam vent 103, other end connection valve body connector 112, by valve body connector
Internal thread 105 realizes that the connection of valve body connector 112 adjusts termination 115, by adjusting termination external screw thread 114 with the external screw thread of cylinder 27
Realized with valve body connector screwed hole 113.
Wherein：The one end of liquid carbon dioxide gasification expander cylinder 27 is provided with shearing piece 101 with first 104 contact jaw of venting of dust explosion,
Valve body 23 of the other end with the connection electro-heat equipment 26 of detonating cord 20 is fixed on valve by cylinder internal thread 24 and valve body external screw thread 25
Carried on body 27, on valve body 23 and fill switch 21, fill mouth 22.Cylinder 27 is provided with red copper pad with shearing piece 101 contact site
101。
Embodiment six
Referring to Fig. 3, Fig. 4, a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, it is special
Point is：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, other end connection valve body connector 112, valve body connects
The connection regulation of junctor 112 termination 115.
Wherein：Liquid carbon dioxide gasification expander one end connection venting of dust explosion first 104, by venting of dust explosion head external screw thread 102 and cylinder
27 internal threads realize that venting of dust explosion first 104 is provided with venting of dust explosion head steam vent 103, other end connection valve body connector 112, by valve body connector
Internal thread 105 realizes that the connection of valve body connector 112 adjusts termination 115, by adjusting termination external screw thread 114 with the external screw thread of cylinder 27
Realized with valve body connector screwed hole 113.
Wherein：The one end of liquid carbon dioxide gasification expander cylinder 27 is provided with shearing piece 101 with first 104 contact jaw of venting of dust explosion,
Valve body 23 of the other end with the connection electro-heat equipment 26 of detonating cord 20 is fixed on valve by cylinder internal thread 24 and valve body external screw thread 25
Carried on body 27, on valve body 23 and fill switch 21, fill mouth 22.Cylinder 27 is provided with red copper pad with shearing piece 101 contact site
101。
Wherein：The diameter of venting of dust explosion head steam vent 103 is less than the diameter of hydraulic support bearing pin 19, and the regulation diameter of termination 115 is less than
The diameter of hydraulic support bearing pin 19.
A kind of ejector pin method of liftout attachment using hydraulic support bearing pin, including the liftout attachment by hydraulic support bearing pin
Venting of dust explosion first 104 end alignment hydraulic support supporting plate 18 on the center of hydraulic support bearing pin 19, the alignment of the regulation end of termination 115 is another
The center of hydraulic support bearing pin 19 in side hydraulic support supporting plate 18, termination 115 is adjusted by rotating, makes hydraulic support bearing pin
Liftout attachment is fixed on the hydraulic support of both sides, and personnel withdraw, and connecing electrical heating electro-heat equipment 26 by detonating cord 20 makes liquid two
Aoxidize carbon gasification expansion, the hydraulic support being ejected into from the venting of dust explosion head steam vent 103 of venting of dust explosion first 104 in hydraulic support supporting plate 18
The surface of bearing pin 19, eject the hydraulic support bearing pin 19 in both sides hydraulic support supporting plate 18.
Claims (10)
1. a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, liquid carbon dioxide gasification
Expander one end connects venting of dust explosion head, is characterised by：The other end connects valve body connector, valve body connector connection pressed end.
A kind of 2. liftout attachment of hydraulic support bearing pin according to claim 1, it is characterised in that：Liquid carbon dioxide gas
To change expander one end connection venting of dust explosion head, realized by venting of dust explosion head external screw thread and cylinder internal thread, venting of dust explosion head is provided with venting of dust explosion head steam vent,
The other end connects valve body connector, is realized by valve body connector internal thread and cylinder external screw thread, valve body connector connection pressed end, by valve
Body joint external screw thread realizes that pressed end carries pressed end adjustment hole, and valve body connector is with detonation with pressed end internal thread
Line cable hole.
A kind of 3. liftout attachment of hydraulic support bearing pin according to claim 1, it is characterised in that：Liquid carbon dioxide gas
Change expander cylinder one end and venting of dust explosion head contact jaw and be provided with shearing piece, valve body of the other end with connection detonating cord electro-heat equipment by
Cylinder internal thread is fixed on valve body with valve body external screw thread, and with filling switch, filling mouth on valve body, venting of dust explosion head is vented bore dia
Less than the diameter of hydraulic support bearing pin, pressed end diameter is more than the diameter of hydraulic support bearing pin.
A kind of 4. liftout attachment of hydraulic support bearing pin according to claim 2, it is characterised in that：Liquid carbon dioxide gas
Change expander cylinder one end and venting of dust explosion head contact jaw and be provided with shearing piece, valve body of the other end with connection detonating cord electro-heat equipment by
Cylinder internal thread is fixed on valve body with valve body external screw thread, and with filling switch, filling mouth on valve body, venting of dust explosion head is vented bore dia
Less than the diameter of hydraulic support bearing pin, pressed end diameter is more than the diameter of hydraulic support bearing pin.
5. a kind of liftout attachment of hydraulic support bearing pin, including liquid carbon dioxide gasification expander, are characterised by：Liquid dioxy
Change carbon gasification expander one end connection venting of dust explosion head, other end connection valve body connector, valve body connector connection regulation termination.
6. a kind of liftout attachment of hydraulic support bearing pin according to claim 5, is characterised by：Liquid carbon dioxide gasifies
Expander one end connects venting of dust explosion head, is realized by venting of dust explosion head external screw thread and cylinder internal thread, and venting of dust explosion head is provided with venting of dust explosion head steam vent, separately
One end connects valve body connector, is realized by valve body connector internal thread and cylinder external screw thread, valve body connector connection regulation termination, by
Termination external screw thread is adjusted to realize with valve body connector screwed hole.
7. a kind of liftout attachment of hydraulic support bearing pin according to claim 5, is characterised by：Liquid carbon dioxide gasifies
Expander cylinder one end is provided with shearing piece with venting of dust explosion head contact jaw, and valve body of the other end with connection detonating cord electro-heat equipment is by cylinder
Internal screw thread is fixed on valve body with valve body external screw thread, and with filling switch, filling mouth on valve body, venting of dust explosion head exhaust bore dia is small
In the diameter of hydraulic support bearing pin, regulation tip diameter is less than the diameter of hydraulic support bearing pin.
8. a kind of liftout attachment of hydraulic support bearing pin according to claim 6, is characterised by：Liquid carbon dioxide gasifies
Expander cylinder one end is provided with shearing piece with venting of dust explosion head contact jaw, and valve body of the other end with connection detonating cord electro-heat equipment is by cylinder
Internal screw thread is fixed on valve body with valve body external screw thread, and with filling switch, filling mouth on valve body, venting of dust explosion head exhaust bore dia is small
In the diameter of hydraulic support bearing pin, regulation tip diameter is less than the diameter of hydraulic support bearing pin.
9. a kind of ejector pin method of the liftout attachment of hydraulic support bearing pin using described in claim 1 or 2 or 3 or 4, feature exist
In：Including the venting of dust explosion head end of the liftout attachment of hydraulic support bearing pin is aligned into hydraulic support bearing pin center, the alignment of compression end head end
Opposite side hydraulic support bearing pin center, termination is rotatably compressed by pressed end adjustment hole, fills the ejection of hydraulic support bearing pin
Put and be fixed on the hydraulic support of both sides, personnel withdraw, and connecing electrical heating electro-heat equipment by detonating cord makes liquid carbon dioxide gasify
Expansion, hydraulic support bearing pin surface is ejected into from the venting of dust explosion head steam vent of venting of dust explosion head, ejects hydraulic support bearing pin.
10. a kind of ejector pin method of the liftout attachment of hydraulic support bearing pin using described in claim 5 or 6 or 7 or 8, feature
It is：Including the venting of dust explosion head end of the liftout attachment of hydraulic support bearing pin is aligned into hydraulic support bearing pin center, adjustable side head end pair
Quasi- opposite side hydraulic support bearing pin center, termination is adjusted by rotating, the liftout attachment of hydraulic support bearing pin is fixed on both sides
On hydraulic support, personnel withdraw, and connecing electrical heating electro-heat equipment by detonating cord makes liquid carbon dioxide gasification expansion, from venting of dust explosion head
Venting of dust explosion head steam vent be ejected into hydraulic support bearing pin surface, eject both sides hydraulic support bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560985.8A CN105414929B (en) | 2015-09-02 | 2015-09-02 | The liftout attachment and ejector pin method of hydraulic support bearing pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560985.8A CN105414929B (en) | 2015-09-02 | 2015-09-02 | The liftout attachment and ejector pin method of hydraulic support bearing pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105414929A CN105414929A (en) | 2016-03-23 |
| CN105414929B true CN105414929B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510560985.8A Active CN105414929B (en) | 2015-09-02 | 2015-09-02 | The liftout attachment and ejector pin method of hydraulic support bearing pin |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6095498A (en) * | 1998-08-07 | 2000-08-01 | Lemoine; James R. | Device for pulling objects |
| CN201940797U (en) * | 2010-12-30 | 2011-08-24 | 新疆鑫风麒能源服务股份有限公司 | Hydraulic assembling and disassembling device for suspension arm connecting pin of crawler crane |
| CN102226410A (en) * | 2011-05-24 | 2011-10-26 | 中煤北京煤矿机械有限责任公司 | Hydraulic support advancing mechanism and thin coal seam hydraulic support |
| CN102501060A (en) * | 2011-11-08 | 2012-06-20 | 枣庄矿业(集团)有限责任公司物流中心 | Disassembling tool for pin shaft of mine hydraulic support |
| CN103033102B (en) * | 2013-01-04 | 2015-05-20 | 煤炭科学技术研究院有限公司 | Carbon dioxide mining device |
| CN203719552U (en) * | 2014-03-03 | 2014-07-16 | 河北星云航天设备科技有限公司 | Exploiting device with carbon dioxide |
| CN203835393U (en) * | 2014-05-05 | 2014-09-17 | 中煤科工集团工程科技有限公司 | Carbon dioxide mining machine with self-adaptive flying-stop function |
| CN205111224U (en) * | 2015-09-02 | 2016-03-30 | 煤科集团沈阳研究院有限公司 | Ejecting device of hydraulic support round pin axle |
-
2015
- 2015-09-02 CN CN201510560985.8A patent/CN105414929B/en active Active
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| CN105414929A (en) | 2016-03-23 |
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