CN207905850U - A kind of hydraulic support - Google Patents

A kind of hydraulic support Download PDF

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Publication number
CN207905850U
CN207905850U CN201820265406.6U CN201820265406U CN207905850U CN 207905850 U CN207905850 U CN 207905850U CN 201820265406 U CN201820265406 U CN 201820265406U CN 207905850 U CN207905850 U CN 207905850U
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CN
China
Prior art keywords
hinged
pedestal
slider
cant beam
crank mechanism
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
CN201820265406.6U
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Chinese (zh)
Inventor
李鹏飞
郭鑫
裴志毅
杨恩喜
张乾坤
王君烨
李广亮
白永涛
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.)
Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd
Original Assignee
Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd
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 Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd filed Critical Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd
Priority to CN201820265406.6U priority Critical patent/CN207905850U/en
Application granted granted Critical
Publication of CN207905850U publication Critical patent/CN207905850U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to a kind of hydraulic supports, including top beam, slider-crank mechanism and pedestal, scissors mechanism is set on the inside of slider-crank mechanism, scissors mechanism upper end is hinged with top beam, lower end is hinged with pedestal, scissors mechanism includes a cant beam, cant beam upper end is hinged with top beam, it is hinged with hydraulic jack in the middle part of cant beam, the fixed seat of hydraulic jack is hinged with pedestal, supporting beam is arranged in hydraulic jack both sides, supporting beam upper end is hinged in sliding slot, supporting beam lower end is hinged with pedestal, cant beam lower end is hinged with slider-crank mechanism, slider-crank mechanism includes a caving shield, caving shield lower end is hinged with sliding block, sliding block free end is hinged with cant beam, sliding block is slidably connected with the slideway being fixed in pedestal;Hydraulic support described in the utility model, by the way that the structures such as slider-crank mechanism are arranged so that at runtime, supporting effect is good, easy to use, and work efficiency is high, saves manpower and materials, saves entreprise cost for hydraulic support.

Description

A kind of hydraulic support
Technical field
The utility model is related to mining hydraulic support apparatus design field more particularly to a kind of hydraulic supports.
Background technology
Hydraulic support is the most important mechanical equipment of fully-mechanized mining, its invention and application makes coal mining technology Enter the new developing stage of a comprehensive mechanization.Coal mine fully-mechanized mining working provides reliable, quick twelve Earthly Branches by hydraulic support Shield, while being mined using flitting, so that seam mining is carried out under safe and reliable operating condition, ensure that working face Realize high-yield and high-efficiency, hydraulic support is the works for controlling coal working face mine pressure.Adopt the shape that face mine pressure carries in addition Formula acts on hydraulic support.In hydraulic support and in adopting the mechanical system that face country rock interacts, if each of hydraulic support Bearing member resultant force acts on the resultant force of the outer load on hydraulic support just same straight line with top plate, then the hydraulic support adopts this on face country rock Extremely adapt to.
Currently, domestic Normal hydraulic holder is generally than heavier, appearance and size is big, complicated, dismounting, transport difficult, no The coal mine with complicated coal seam and geological conditions is adapted to, especially big magnification bracket upright post is complicated, it is difficult to meet work The requirement of industry production economy, installation and maintenance are inconvenient, waste a lot of manpower and material resources, therefore how to optimize supporting structure, subtract Light weight support frame becomes mine hydraulic bracket field urgent problem to be solved.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to propose a kind of hydraulic support, by the way that crank block is arranged Mechanism and scissors mechanism so that at runtime, supporting effect is good, simple in structure, easy to use for hydraulic support, ensures hydraulic support Away from constant, work efficiency is high, convenient to install and maintain, saves manpower and materials, saves entreprise cost at top beam end.
The technical solution that the utility model is taken to solve the above-mentioned problems is:A kind of hydraulic support, including top beam, with The pedestal that the hinged slider-crank mechanism in top beam one end and tail end are connect with slider-crank mechanism lower end, slider-crank mechanism inside Scissors mechanism is set, and scissors mechanism upper end is hinged with top beam, and lower end is hinged with pedestal, and scissors mechanism includes one and the middle of the base hinge The cant beam connect, cant beam upper end is hinged with top beam, and hydraulic jack, and the movable post of hydraulic jack and setting are hinged in the middle part of cant beam Fixing groove in the middle part of cant beam is hinged, and the fixed seat of hydraulic jack is hinged with pedestal, and branch is respectively set in hydraulic jack both sides Support beam, supporting beam upper end is hinged in the sliding slot in the middle part of cant beam, and supporting beam lower end is hinged with pedestal head end, cant beam lower end with Slider-crank mechanism is hinged, and slider-crank mechanism includes a upper end and the hinged caving shield in top beam end, and caving shield lower end is hinged There are sliding block, sliding block to be arranged along pedestal extending direction, sliding block free end is hinged with cant beam, sliding block and the cunning being fixed in pedestal Road is slidably connected, the band that reciprocatingly slides for being moved up and down with the movable post telescopic drive top beam by hydraulic jack, and being passed through sliding block Dynamic top beam is moved forward and backward;
Scissors mechanism, slider-crank mechanism and the pedestal is disposed as two, and the two axial symmetry is arranged in top beam Lower section;
The supporting beam upper end is hinged in the arc chute in the middle part of cant beam, and arc chute and the plane where cant beam are flat Row, supporting beam are slided in arc chute;
The length of the supporting beam is the 1/2 of cant beam length;
Fixed block is arranged in the hydraulic jack fixed seat lower end, and fixed block bottom surface is fixedly connected with pedestal, fixed block Arc groove is arranged in top, and fixed seat lower end is rotatably connected on around axis pin in arc groove, and is hinged on pedestal by axis pin;
The end face of the pedestal head end is set as curved end.
The beneficial effects of the utility model:
1, the utility model passes through the liquid of scissors mechanism by the way that slider-crank mechanism and scissors mechanism to be used in conjunction with each other It presses jack driving cant beam and supporting beam cooperation driving top beam to rise, simultaneously because the addition of slider-crank mechanism, cant beam and covers Guard beam is all hinged on sliding block, and sliding block can be slidably connected in the slideway in pedestal, can ensure the top beam beam of hydraulic support End ensures that holder remains to provide effective support protection when drop column away from remaining constant, and using scissor Mechanism greatly reduces the complexity of structure, ensures that hydraulic support can realize larger magnification under the action of column, in turn Simplify pillar construction, reduce column size, achieve the purpose that supporting effect is good, achieves simple in structure, easy to use, guarantee liquid Press top of support beam-ends away from constant, work efficiency is high, convenient to install and maintain, uses manpower and material resources sparingly, and saves the beneficial effect of entreprise cost Fruit;
2, the utility model is by the way that supporting beam upper end to be hinged in the arc chute in the middle part of cant beam, arc chute and cant beam The plane at place is parallel, while capable of ensureing that supporting beam upper end is slided in arc chute, moreover it is possible to play good supporting effect Fruit, achieve it is simple in structure, it is easy to use, ensure hydraulic support top beam end away from constant, work efficiency is high, convenient to install and maintain, It uses manpower and material resources sparingly, saves the advantageous effect of entreprise cost;
3, the utility model by by the length of the supporting beam be cant beam length 1/2, with slider-crank mechanism It cooperates, reaches preferable dynamics distribution so that supporting effect is good, and the top beam beam-ends of hydraulic support can be ensured away from always It remains unchanged, and then ensures that holder remains to provide effective support protection when dropping column, achieve simple in structure, user Just, ensure hydraulic support top beam end away from constant, work efficiency is high, convenient to install and maintain, uses manpower and material resources sparingly, and saves entreprise cost Advantageous effect.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the structural schematic diagram of the utility model in use;
Fig. 3 is the structural schematic diagram of the action principle of the utility model;
It is marked in figure:1, top beam, 2, slider-crank mechanism, 201, caving shield, 202, sliding block, 3, pedestal, 4, scissors mechanism, 401, cant beam, 4011, fixing groove, 4012, sliding slot, 402, hydraulic jack, 403, supporting beam, 404, fixed block, 4041, arc Groove.
Specific implementation mode
It elaborates in the following with reference to the drawings and specific embodiments to the utility model, the present embodiment is with the utility model skill Premised on art scheme, detailed embodiment and specific operating process are given, but the scope of protection of the utility model is unlimited In following embodiments.
Embodiment 1
As described in Figure, the utility model is a kind of hydraulic support, including top beam 1 and the hinged crank block in 1 one end of top beam Scissors mechanism 4, scissor is arranged in the pedestal 3 that mechanism 2 and tail end are connect with 2 lower end of slider-crank mechanism, 2 inside of slider-crank mechanism 4 upper end of mechanism is hinged with top beam 1, and lower end is hinged with pedestal 3, and scissors mechanism 4 includes a cant beam 401 hinged with 3 middle part of pedestal, 401 upper end of cant beam and top beam 1 are hinged, and 401 middle part of cant beam is hinged with hydraulic jack 402, and the movable post of hydraulic jack 402 with The fixing groove 4011 being arranged at 401 middle part of cant beam is hinged, and supporting effect is good, and fixed seat and the pedestal 3 of hydraulic jack 402 are cut with scissors It connects, supporting beam 403 is respectively set in 402 both sides of hydraulic jack, and 403 upper end of supporting beam is hinged on the cunning positioned at 401 middle part of cant beam In slot 4012,403 lower end of supporting beam is hinged with 3 head end of pedestal, and 401 lower end of cant beam is hinged with slider-crank mechanism 2, crank block Mechanism 2 includes a upper end and the hinged caving shield 201 in 1 end of top beam, and 201 lower end of caving shield is hinged with sliding block 202, sliding block 202 It is arranged along 3 extending direction of pedestal, 202 free end of sliding block is hinged with cant beam 401, sliding block 202 and the cunning being fixed in pedestal 3 Road is slidably connected, and to be moved up and down by the movable post telescopic drive top beam 1 of hydraulic jack 402, and passes through the reciprocal of sliding block 202 Sliding drives top beam 1 to be moved forward and backward, and can ensure 1 beam-ends of top beam of hydraulic support away from remaining constant, and then ensure hydraulic pressure Holder remains to provide effective support protection when dropping column, and the complexity of structure is greatly reduced using scissors mechanism 4 Degree ensures that hydraulic support can realize larger magnification under the action of column, and then simplifies pillar construction, reduces column ruler It is very little, achieve the purpose that supporting effect is good.
Embodiment 2
As described in Figure, the utility model is a kind of hydraulic support, including top beam 1 and the hinged crank block in 1 one end of top beam Scissors mechanism 4, scissor is arranged in the pedestal 3 that mechanism 2 and tail end are connect with 2 lower end of slider-crank mechanism, 2 inside of slider-crank mechanism 4 upper end of mechanism is hinged with top beam 1, and lower end is hinged with pedestal 3, and scissors mechanism 4 includes a cant beam 401 hinged with 3 middle part of pedestal, 401 upper end of cant beam and top beam 1 are hinged, and 401 middle part of cant beam is hinged with hydraulic jack 402, and the movable post of hydraulic jack 402 with The fixing groove 4011 being arranged at 401 middle part of cant beam is hinged, and supporting effect is good, and fixed seat and the pedestal 3 of hydraulic jack 402 are cut with scissors It connects, supporting beam 403 is respectively set in 402 both sides of hydraulic jack, and 403 upper end of supporting beam is hinged on the cunning positioned at 401 middle part of cant beam In slot 4012,403 lower end of supporting beam is hinged with 3 head end of pedestal, and 401 lower end of cant beam is hinged with slider-crank mechanism 2, crank block Mechanism 2 includes a upper end and the hinged caving shield 201 in 1 end of top beam, and 201 lower end of caving shield is hinged with sliding block 202, sliding block 202 It is arranged along 3 extending direction of pedestal, 202 free end of sliding block is hinged with cant beam 401, sliding block 202 and the cunning being fixed in pedestal 3 Road is slidably connected, and to be moved up and down by the movable post telescopic drive top beam 1 of hydraulic jack 402, and passes through the reciprocal of sliding block 202 Sliding drives top beam 1 to be moved forward and backward, and can ensure 1 beam-ends of top beam of hydraulic support away from remaining constant, and then ensure hydraulic pressure Holder remains to provide effective support protection when dropping column, and the complexity of structure is greatly reduced using scissors mechanism 4 Degree ensures that hydraulic support can realize larger magnification under the action of column, and then simplifies pillar construction, reduces column ruler It is very little, achieve the purpose that supporting effect is good.
Scissors mechanism 4, slider-crank mechanism 2 and the pedestal 3 is disposed as two, and the setting of the two axial symmetry is being pushed up Under beam 1, supporting effect is good, and can intersect and take a step to move, and while supporting effect is good, movement speed is fast, reaches side movement The effect of side support, achieve it is simple in structure, it is easy to use, ensure hydraulic support top beam end away from constant, supporting effect is good, work It is efficient, it is convenient to install and maintain, it uses manpower and material resources sparingly, saves the advantageous effect of entreprise cost.
Embodiment 3
As described in Figure, the utility model is a kind of hydraulic support, including top beam 1 and the hinged crank block in 1 one end of top beam Scissors mechanism 4, scissor is arranged in the pedestal 3 that mechanism 2 and tail end are connect with 2 lower end of slider-crank mechanism, 2 inside of slider-crank mechanism 4 upper end of mechanism is hinged with top beam 1, and lower end is hinged with pedestal 3, and scissors mechanism 4 includes a cant beam 401 hinged with 3 middle part of pedestal, 401 upper end of cant beam and top beam 1 are hinged, and 401 middle part of cant beam is hinged with hydraulic jack 402, and the movable post of hydraulic jack 402 with The fixing groove 4011 being arranged at 401 middle part of cant beam is hinged, and supporting effect is good, and fixed seat and the pedestal 3 of hydraulic jack 402 are cut with scissors It connects, supporting beam 403 is respectively set in 402 both sides of hydraulic jack, and 403 upper end of supporting beam is hinged on the cunning positioned at 401 middle part of cant beam In slot 4012,403 lower end of supporting beam is hinged with 3 head end of pedestal, and 401 lower end of cant beam is hinged with slider-crank mechanism 2, crank block Mechanism 2 includes a upper end and the hinged caving shield 201 in 1 end of top beam, and 201 lower end of caving shield is hinged with sliding block 202, sliding block 202 It is arranged along 3 extending direction of pedestal, 202 free end of sliding block is hinged with cant beam 401, sliding block 202 and the cunning being fixed in pedestal 3 Road is slidably connected, and to be moved up and down by the movable post telescopic drive top beam 1 of hydraulic jack 402, and passes through the reciprocal of sliding block 202 Sliding drives top beam 1 to be moved forward and backward, and can ensure 1 beam-ends of top beam of hydraulic support away from remaining constant, and then ensure hydraulic pressure Holder remains to provide effective support protection when dropping column, and the complexity of structure is greatly reduced using scissors mechanism 4 Degree ensures that hydraulic support can realize larger magnification under the action of column, and then simplifies pillar construction, reduces column ruler It is very little, achieve the purpose that supporting effect is good.
Scissors mechanism 4, slider-crank mechanism 2 and the pedestal 3 be disposed as it is multiple, and axial symmetry be arranged in top beam 1 Under, supporting effect is good, and can intersect and take a step to move, and while supporting effect is good, movement speed is fast, reaches the branch in movement The effect of support, achieve it is simple in structure, it is easy to use, ensure hydraulic support top beam end away from constant, supporting effect is good, working efficiency Height, it is convenient to install and maintain, it uses manpower and material resources sparingly, saves the advantageous effect of entreprise cost.
403 upper end of supporting beam is hinged in the arc chute at 401 middle part of cant beam, arc chute and 401 institute of cant beam Plane it is parallel, supporting beam 403 is slided in arc chute, can ensure 403 upper end of supporting beam in arc chute 4041 While sliding, moreover it is possible to play good supporting effect.
The length of the supporting beam 403 is the 1/2 of 401 length of cant beam, cooperates, reaches with slider-crank mechanism 2 It being distributed to preferable dynamics so that supporting effect is good, and can ensure 1 beam-ends of top beam of hydraulic support away from remaining constant, And then ensure that holder remains to provide effective support protection when dropping column.
Embodiment 4
As described in Figure, the utility model is a kind of hydraulic support, including top beam 1 and the hinged crank block in 1 one end of top beam Scissors mechanism 4, scissor is arranged in the pedestal 3 that mechanism 2 and tail end are connect with 2 lower end of slider-crank mechanism, 2 inside of slider-crank mechanism 4 upper end of mechanism is hinged with top beam 1, and lower end is hinged with pedestal 3, and scissors mechanism 4 includes a cant beam 401 hinged with 3 middle part of pedestal, 401 upper end of cant beam and top beam 1 are hinged, and 401 middle part of cant beam is hinged with hydraulic jack 402, and the movable post of hydraulic jack 402 with The fixing groove 4011 being arranged at 401 middle part of cant beam is hinged, and supporting effect is good, and fixed seat and the pedestal 3 of hydraulic jack 402 are cut with scissors It connects, supporting beam 403 is respectively set in 402 both sides of hydraulic jack, and 403 upper end of supporting beam is hinged on the cunning positioned at 401 middle part of cant beam In slot 4012,403 lower end of supporting beam is hinged with 3 head end of pedestal, and 401 lower end of cant beam is hinged with slider-crank mechanism 2, crank block Mechanism 2 includes a upper end and the hinged caving shield 201 in 1 end of top beam, and 201 lower end of caving shield is hinged with sliding block 202, sliding block 202 It is arranged along 3 extending direction of pedestal, 202 free end of sliding block is hinged with cant beam 401, sliding block 202 and the cunning being fixed in pedestal 3 Road is slidably connected, and to be moved up and down by the movable post telescopic drive top beam 1 of hydraulic jack 402, and passes through the reciprocal of sliding block 202 Sliding drives top beam 1 to be moved forward and backward, and can ensure 1 beam-ends of top beam of hydraulic support away from remaining constant, and then ensure hydraulic pressure Holder remains to provide effective support protection when dropping column, and the complexity of structure is greatly reduced using scissors mechanism 4 Degree ensures that hydraulic support can realize larger magnification under the action of column, and then simplifies pillar construction, reduces column ruler It is very little, achieve the purpose that supporting effect is good.
Scissors mechanism 4, slider-crank mechanism 2 and the pedestal 3 be disposed as it is multiple, and axial symmetry be arranged in top beam 1 Under, supporting effect is good, and can intersect and take a step to move, and while supporting effect is good, movement speed is fast, reaches the branch in movement The effect of support, achieve it is simple in structure, it is easy to use, ensure hydraulic support top beam end away from constant, supporting effect is good, working efficiency Height, it is convenient to install and maintain, it uses manpower and material resources sparingly, saves the advantageous effect of entreprise cost.
403 upper end of supporting beam is hinged in the arc chute at 401 middle part of cant beam, arc chute and 401 institute of cant beam Plane it is parallel, supporting beam 403 is slided in arc chute, can ensure 403 upper end of supporting beam in arc chute 4041 While sliding, moreover it is possible to play good supporting effect.
The length of the supporting beam 403 is the 1/2 of 401 length of cant beam, cooperates, reaches with slider-crank mechanism 2 It being distributed to preferable dynamics so that supporting effect is good, and can ensure 1 beam-ends of top beam of hydraulic support away from remaining constant, And then ensure that holder remains to provide effective support protection when dropping column.
Fixed block 404 is arranged in the 402 fixed seat lower end of hydraulic jack, and 404 bottom surface of fixed block is fixed with pedestal 3 to be connected It connecing, arc groove 4041 is arranged in 404 top of fixed block, and fixed seat lower end is rotatably connected on around axis pin in arc groove 4041, and It is hinged on the base 3 by axis pin.
The end face of 3 head end of pedestal is set as curved end, facilitates intersect and takes a step to move, reduces to pedestal Injury, increases the service life of hydraulic support.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though So the present invention is as above with preferred embodiment description, and however, it is not intended to limit the invention, any technology people for being familiar with this profession Member, without departing from the scope of the present invention, when a little change or modification made using technology contents described above It is the equivalent embodiment of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical essence of the invention To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.

Claims (6)

1. a kind of hydraulic support, it is characterised in that:Including top beam(1)With top beam(1)The hinged slider-crank mechanism in one end(2) With tail end and slider-crank mechanism(2)The pedestal of lower end connection(3), slider-crank mechanism(2)Scissors mechanism is arranged in inside(4), Scissors mechanism(4)Upper end and top beam(1)It is hinged, lower end and pedestal(3)It is hinged, scissors mechanism(4)Including one and pedestal(3)Middle part Hinged cant beam(401), cant beam(401)Upper end and top beam(1)It is hinged, cant beam(401)Middle part is hinged with hydraulic jack (402), and hydraulic jack(402)Movable post be arranged in cant beam(401)The fixing groove at middle part(4011)It is hinged, hydraulic jack Top(402)Fixed seat and pedestal(3)It is hinged, hydraulic jack(402)Supporting beam is respectively set in both sides(403), supporting beam (403)Upper end is hinged on positioned at cant beam(401)The sliding slot at middle part(4012)It is interior, supporting beam(403)Lower end and pedestal(3)Head end is cut with scissors It connects, cant beam(401)Lower end and slider-crank mechanism(2)It is hinged, slider-crank mechanism(2)Including a upper end and top beam(1)End Hinged caving shield(201), caving shield(201)Lower end is hinged with sliding block(202), sliding block(202)Along pedestal(3)Extending direction is set It sets, sliding block(202)Free end and cant beam(401)It is hinged, sliding block(202)Be fixed at pedestal(3)Interior slideway sliding connects It connects, to pass through hydraulic jack(402)Movable post telescopic drive top beam(1)It moves up and down, and passes through sliding block(202)Reciprocal cunning It is dynamic to drive top beam(1)It is moved forward and backward.
2. a kind of hydraulic support as described in claim 1, it is characterised in that:The scissors mechanism(4), slider-crank mechanism (2)And pedestal(3)Two are disposed as, and the two axial symmetry is arranged in top beam(1)Lower section.
3. a kind of hydraulic support as described in claim 1, it is characterised in that:The supporting beam(403)Upper end is hinged on tiltedly Beam(401)In the arc chute at middle part, arc chute and cant beam(401)The plane at place is parallel, supporting beam(403)It is slided in arc Sliding in slot.
4. a kind of hydraulic support as described in claim 1, it is characterised in that:The supporting beam(403)Length be cant beam (401)The 1/2 of length.
5. a kind of hydraulic support as described in claim 1, it is characterised in that:The hydraulic jack(402)Under fixed seat End setting fixed block(404), fixed block(404)Bottom surface and pedestal(3)It is fixedly connected, fixed block(404)It is recessed that arc is arranged in top Slot(4041), fixed seat lower end is rotatably connected on arc groove around axis pin(4041)It is interior, and pedestal is hinged on by axis pin(3) On.
6. a kind of hydraulic support as described in claim 1, it is characterised in that:The pedestal(3)The end face of head end is set as Curved end.
CN201820265406.6U 2018-02-24 2018-02-24 A kind of hydraulic support Expired - Fee Related CN207905850U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820265406.6U CN207905850U (en) 2018-02-24 2018-02-24 A kind of hydraulic support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820265406.6U CN207905850U (en) 2018-02-24 2018-02-24 A kind of hydraulic support

Publications (1)

Publication Number Publication Date
CN207905850U true CN207905850U (en) 2018-09-25

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Application Number Title Priority Date Filing Date
CN201820265406.6U Expired - Fee Related CN207905850U (en) 2018-02-24 2018-02-24 A kind of hydraulic support

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266213A (en) * 2018-02-24 2018-07-10 平顶山平煤机煤矿机械装备有限公司 A kind of hydraulic support
CN109268052A (en) * 2018-11-23 2019-01-25 中国矿业大学(北京) A kind of scissors fork mechanism drawer type hydraulic support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108266213A (en) * 2018-02-24 2018-07-10 平顶山平煤机煤矿机械装备有限公司 A kind of hydraulic support
CN109268052A (en) * 2018-11-23 2019-01-25 中国矿业大学(北京) A kind of scissors fork mechanism drawer type hydraulic support
CN109268052B (en) * 2018-11-23 2024-04-05 中国矿业大学(北京) Drawer type hydraulic support of scissor fork mechanism

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Granted publication date: 20180925