WO2009089769A1 - Support hydraulique léger - Google Patents

Support hydraulique léger Download PDF

Info

Publication number
WO2009089769A1
WO2009089769A1 PCT/CN2009/000033 CN2009000033W WO2009089769A1 WO 2009089769 A1 WO2009089769 A1 WO 2009089769A1 CN 2009000033 W CN2009000033 W CN 2009000033W WO 2009089769 A1 WO2009089769 A1 WO 2009089769A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic support
top beam
support according
cylinder
sliding
Prior art date
Application number
PCT/CN2009/000033
Other languages
English (en)
Chinese (zh)
Inventor
Zeyu Li
Original Assignee
Zeyu Li
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 Zeyu Li filed Critical Zeyu Li
Publication of WO2009089769A1 publication Critical patent/WO2009089769A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

Definitions

  • the invention relates to a light hydraulic support for supporting a roof of a coal mining face under coal mine. Background technique
  • the hydraulic support is divided into two categories: a fully mechanized support and a slide support.
  • the present invention is a hydraulic support for use between the two.
  • the applicant has designed a chain suspension hydraulic support (Chinese Patent Application No. ZL200 52 001915 2 . 2 ), and the top beam side hinged shifting frame rainbow, the moving frame cylinder pushes the sliding The piece slides on the side of the top beam, and the slider is connected to the flexible member connected to the adjacent frame.
  • the pillar beam is lowered to be completely pulled by the flexible member, and the extension or contraction cylinder drives the sliding member to slide, so that the top beam is moved forward, and then the column is supported.
  • the object of the present invention is to provide a hydraulic support capable of increasing the adaptability of a flexible member to a frame pitch under the premise of ensuring a small amount of legs to be lifted, saving labor and quickly moving the frame and adjusting the spacing of the frames.
  • a light hydraulic support of the present invention comprises a top beam, a hydraulic support, a front extension beam and a front extension beam cylinder, a damper device or a top coal discharging device, and a sliding member sliding on a rail on one side of the top beam, a shifting cylinder hinged to the sliding member, characterized in that at least one movable member movable between the two adjacent top beams is provided, and the sliding member and the one end sliding along the guiding rail are connected with the moving member, and A truss mechanism consisting of a connector that is connected to the slider at one end.
  • the moving member is a pendulum mechanism in which one end is hinged to the top beam, and the other end is swingable to the left and right and connected to the connecting member.
  • one side of the sliding member is hinged with the other end and the shifting cylinder hinged by the top beam, and the other side of the sliding member is connected with the force transmitting member connected to the top beam of the adjacent frame.
  • the moving member can be used alone or in combination with a lateral adjustment cylinder.
  • a lightweight hydraulic support is provided only at one end of the top beam, and the other end is connected to the adjacent top beam by a joist that traverses the plurality of top beams.
  • the link mechanism is only provided at one end of the top beam, and the other end is connected to the adjacent top beam by a flexible four-bar slider mechanism.
  • a light hydraulic support as described above, the frame mechanism is only provided at one end of the top beam, The other end is connected to the adjacent top beam by a vertical rail slider mechanism.
  • the adaptability of the connecting member to the change of the spacing of the frame can be increased under the premise of ensuring the small amount of the legs, and the moving member can be moved by controlling the expansion and contraction of the horizontal adjusting cylinder, thereby being flexible and freely Adjust the bracket orientation and adjust the bracket spacing directly. Since the horizontally-adjusting cylinder is tightly attached to the underside of the top beam, and the shifting cylinder is installed in the joint between the two top beams, it is not easy to collapse when the gun is fired, so it can be used for gun mining.
  • each of the top beams is connected by a flexible member such as a chain movable in all directions, so that not only the labor is saved, but also the range of the upper and lower movements of any one of the top beams is relatively large. Therefore, it is most suitable for the support of uneven roof.
  • the brackets of the entire working surface are integrally connected by a connecting member such as a chain, the folding can be effectively prevented. Since the top beam can be made wider, the top net can be not tied when the top coal is placed, which reduces the cost per ton of coal. Moreover, since all the pillars of the bracket can be moved forward in synchronization, the integral bottom beam and the shifting cylinder can be installed, so that the frame can be moved quickly.
  • Figure 1 is a front elevational view of a first embodiment of a lightweight hydraulic support of the present invention.
  • Fig. 2 is a plan view showing a first embodiment of a lightweight hydraulic support according to the present invention in use.
  • Fig. 3 is an enlarged view showing the connection of the chain and the moving member and the chain to the slider in the first embodiment of the lightweight hydraulic support of the present invention.
  • FIG. 4 is an enlarged view showing a second embodiment of a lightweight hydraulic support according to the present invention in which the movable member of the frame can be moved to the left and right and the adjacent frame slide.
  • Fig. 5 is a plan view showing a third embodiment of a lightweight hydraulic support according to the present invention in which a double propulsion cylinder bracket is used in combination with a propulsion cylinder bracket.
  • Figure 6 is a front elevational view of a fourth embodiment of a lightweight hydraulic support of the present invention.
  • Figure 7 is a cross-sectional view showing a flexible four-bar slider mechanism in a fifth embodiment of a lightweight hydraulic support according to the present invention.
  • Figure 8 is a cross-sectional view showing a vertical rail slider mechanism in a sixth embodiment of a lightweight hydraulic support according to the present invention. detailed description
  • a first embodiment of a lightweight hydraulic support of the present invention includes an integral top beam 1; a slide 13 slidable along the lower rail 22 and the upper rail 24 on the top beam 1 and a sliding member 23; the end is hinged to the moving member 26 by the pin 17, and the other end is respectively connected to the two chains 16 hinged to the sliding member 13 and the sliding member 23 on the top beam 1 of the adjacent frame by the pin 15; through the pin 30 and the top beam 1 articulated moving member 26; - a pivoting cylinder 29 hinged to the moving member 26 by a pin 27, and a steering cylinder 29 hinged to the top beam 1 by a pin 31; a hydraulic strut 8 vertically downward from the top beam 1; 11 is hinged to the rear end of the top beam 1 of the bracket, one end of the cylinder is hinged to the sliding member 23 by a pin 18, and the other end of the cylinder is connected to the sliding cylinder 13 by the propulsion cylinder 12; the end is hinged to the sliding member 23 by the pin 19,
  • a light hydraulic support is in a state of being moved.
  • the first support and the second support have been moved by one step, and the third support is being moved forward.
  • First under the top beam 1 of the third frame The pillar 8 is lifted, and the top beam 1 is lowered.
  • the left side of the top beam 1 is suspended by the two chains 16 hinged with the sliding member 13 and the sliding member 23 on the top beam 1 of the second frame adjacent thereto.
  • the right side is suspended by two other chains 16 hinged on the moving member 26 on the top beam 1 of the fourth frame adjacent to the right side.
  • the piston rods of the front and rear aligning cylinders 29 may be extended as needed to push the moving member 26 to rotate around the pin 30, when approaching the maximum extension of the aligning cylinder 29. In the range, the positioning structure 32 on the moving member 26 will hit the top beam 1 to protect the steering cylinder 29.
  • the piston rod of the propulsion cylinder 12 on the left side of the third bracket is contracted, and the top beam 1 of the third bracket is pulled forward by the force transmitting member 20 hinged at the front end of the bracket 2; on the right side of the third bracket top beam 1
  • the piston rod of the propulsion cylinder 12 hinged to the rear end of the fourth top beam 1 is extended to push the slider 23, and the slider 23 pushes the third frame through the force transmitting member 20 hinged to the top beam 1 of the third bracket.
  • the left and right movement of the moving member is realized by sliding the movable member 4 to the left and right on the guide rail 3, and the link 2 replaces the chain 16 in the first embodiment.
  • the chain 16 it is also possible to use the chain 16 here.
  • the third embodiment differs from the first embodiment in that it does not have a propulsion red 12 on each of the top beams, but two of the first, third, and fifth frames. Pushing the red, the 2nd, 4th, 6th... There is no propulsion cylinder. When moving the frame, there is no propulsion cylinder first, and there are 2 propulsion rainbows.
  • the common method of shifting in the well is to move the 2nd and 4th frames first, then move the 1st and 3rd, then move the 6th and 8th, then move the 5th and 7th, and so on.
  • the rear end of the top beam 1 uses the connecting mechanism of the present invention, and the front end is used.
  • the joist 33 is used as a splicing mechanism, and both ends of the propulsion cylinder 35 are connected to the joist 33 and the top sill 1 by pins 34 and 36, respectively.
  • the advantage is that when the top plate is not flat, the back end of the top beam can be supported to support the top plate and reach the rated initial support force.
  • the rear end of the top beam 1 uses the connecting mechanism of the present invention, and the flexible four-bar linkage mechanism used for the front end suspension bracket (Chinese Patent Application No. 88104291.9) is used as two top beams.
  • the inter-frame mechanism including the upper link 37, the rocking hinge base 38, and the front slider 39, has the advantage of using the stud mechanism to ensure that the top end of the top beam supports the top plate and reaches the rated initial support force when the top plate is not flat.
  • the rear end of the top beam 1 uses the connecting mechanism of the present invention, and the front end vertical rail slider mechanism is used as the connecting mechanism, including the horizontal rail 3, the moving member 4, the pin 40, and the small joint. Rod 2, vertical rail 41 and vertical slider 42.
  • the sixth embodiment is similar to the fifth embodiment.
  • the steering cylinder 29 is changed to a position to change the shape or structure of the moving member 26, or to be a combination of the members; to increase or decrease or to change some of the devices commonly used on the bracket, for example, to convert the front extension beam 5 into a flip front.

Abstract

L'invention concerne un support hydraulique léger utilisé sur des surfaces de travail dans une mine de charbon, ledit support comprenant une partie supérieure monolithique (1), un élément d'appui hydraulique (8), une partie s'étendant vers l'avant (5) et un cylindre (7) associé, un dispositif déflecteur (9), un élément coulissant (13, 23) pouvant coulisser sur un guide (22, 24) disposé sur un côté de la partie supérieure (1), et un cylindre mobile (12) articulé par rapport à l'élément coulissant (13, 23). Au moins un mécanisme de contact est positionné entre deux parties supérieures adjacentes (1). Ledit mécanisme de contact comprend un élément mobile (26) pouvant être déplacé vers la gauche et vers la droite, un élément coulissant (13, 23) pouvant coulisser le long du guide (22, 24) vers l'avant et vers l'arrière, et un élément de connexion (16) connecté par une de ses extrémités à l'élément mobile (26) et par l'autre extrémité à l'élément coulissant (13, 23). Le mécanisme de contact permet d'obtenir un plus grand jeu de réglage des supports grâce au mouvement de l'élément mobile (26), de manière à faciliter le réglage de la distance entre les supports, particulièrement adaptés pour supporter des plaques supérieures asymétriques.
PCT/CN2009/000033 2008-01-10 2009-01-09 Support hydraulique léger WO2009089769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810000399A CN101482025B (zh) 2008-01-10 2008-01-10 一种轻型液压支架
CN200810000399.8 2008-01-10

Publications (1)

Publication Number Publication Date
WO2009089769A1 true WO2009089769A1 (fr) 2009-07-23

Family

ID=40879296

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/000033 WO2009089769A1 (fr) 2008-01-10 2009-01-09 Support hydraulique léger

Country Status (2)

Country Link
CN (1) CN101482025B (fr)
WO (1) WO2009089769A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116159B (zh) * 2010-01-05 2013-06-12 李秋生 一种可调向悬移顶梁液压支架
CN103306698A (zh) * 2013-06-29 2013-09-18 长治市永华机械有限公司 液压支架就位机
CN108547654A (zh) * 2018-06-28 2018-09-18 河南万合机械有限公司 便于控制放煤量的悬移放顶煤液压支架及其使用方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769159B (zh) * 2010-01-22 2012-07-25 北京诚田恒业煤矿设备有限公司 一种煤矿用柔性掩护式液压支架
CN105422154A (zh) * 2015-12-30 2016-03-23 北京华创矿安科技有限公司 煤矿用链式连接的外载自移式掩护液压支架

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1011605B (zh) * 1988-07-22 1991-02-13 北京矿务局 悬移顶梁液压支架
CN2096643U (zh) * 1991-01-22 1992-02-19 北京矿务局机械设计研究所 并列式滑移顶梁液压支架
CN2818779Y (zh) * 2005-05-18 2006-09-20 李泽宇 链悬式液压支架
CN1844640A (zh) * 2005-04-06 2006-10-11 李泽宇 一种并列顶梁之间的连接装置
CN201180555Y (zh) * 2008-01-10 2009-01-14 李泽宇 一种轻型液压支架

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105017B (zh) * 1986-08-13 1988-01-20 颜登义 机移式联动支架
CN1071993A (zh) * 1991-10-28 1993-05-12 北京矿务局机械设计研究所 组合式端头液压支架
CN100519990C (zh) * 2005-05-18 2009-07-29 李泽宇 链悬式液压支架

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1011605B (zh) * 1988-07-22 1991-02-13 北京矿务局 悬移顶梁液压支架
CN2096643U (zh) * 1991-01-22 1992-02-19 北京矿务局机械设计研究所 并列式滑移顶梁液压支架
CN1844640A (zh) * 2005-04-06 2006-10-11 李泽宇 一种并列顶梁之间的连接装置
CN2818779Y (zh) * 2005-05-18 2006-09-20 李泽宇 链悬式液压支架
CN201180555Y (zh) * 2008-01-10 2009-01-14 李泽宇 一种轻型液压支架

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116159B (zh) * 2010-01-05 2013-06-12 李秋生 一种可调向悬移顶梁液压支架
CN103306698A (zh) * 2013-06-29 2013-09-18 长治市永华机械有限公司 液压支架就位机
CN108547654A (zh) * 2018-06-28 2018-09-18 河南万合机械有限公司 便于控制放煤量的悬移放顶煤液压支架及其使用方法
CN108547654B (zh) * 2018-06-28 2024-01-26 河南万合机械有限公司 便于控制放煤量的悬移放顶煤液压支架及其使用方法

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