CN109322686A - A kind of fully-mechanized mining working advance timbering - Google Patents

A kind of fully-mechanized mining working advance timbering Download PDF

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Publication number
CN109322686A
CN109322686A CN201811479646.7A CN201811479646A CN109322686A CN 109322686 A CN109322686 A CN 109322686A CN 201811479646 A CN201811479646 A CN 201811479646A CN 109322686 A CN109322686 A CN 109322686A
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CN
China
Prior art keywords
oil cylinder
pedestal
upper frame
fixedly connected
hinged
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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.)
Granted
Application number
CN201811479646.7A
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Chinese (zh)
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CN109322686B (en
Inventor
王正
王金强
孙伟
罗书明
任芸
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GUIZHOU PANJIANG MINING MACHIENRY CO Ltd
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GUIZHOU PANJIANG MINING MACHIENRY CO Ltd
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Priority to CN201811479646.7A priority Critical patent/CN109322686B/en
Publication of CN109322686A publication Critical patent/CN109322686A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0418Positioning devices and stabilizing means for the props
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The invention discloses a kind of fully-mechanized mining working advance timberings, it includes pedestal, oil cylinder one and upper frame, the upper frame is located at the top of pedestal and centre and is connected by two oil cylinders one, sidewall paneling is hinged in the rear side upper end of upper frame, symmetrical two pieces of support plates are fixedly connected among the lower section of upper frame, oil cylinder two is hinged between the lower end of support plate and the lower part of sidewall paneling, oil cylinder three is equipped in inside one end of upper frame, oil cylinder four is equipped in inside one end of pedestal, valve seat bar is fixedly connected in the side of pedestal, several reversal valves are connected on valve seat bar, the reversal valve by oil pipe respectively with oil cylinder one, oil cylinder two, oil cylinder three, oil cylinder four and oil cylinder five connect.Using light-weight design thinking, which has the features such as small in size, light-weight, supporting intensity is high, underground transportation convenience, adaptability is good, especially suitable for southern short coal seam narrow production environment condition, achieves significant using effect.

Description

A kind of fully-mechanized mining working advance timbering
Technical field
The present invention relates to a kind of advance timbering more particularly to a kind of fully-mechanized mining working advance timberings, belong to coal mining and set Standby technical field.
Background technique
In the both ends tunnel of coal face, traditional support pattern be manually using hydraulic prop support top or Person's monomer coordination hinge top beam gib top plate, this manual type supporting intensity is low, and supporting area is small, personnel labor intensity Greatly, drop column risk is big, and support process is backward in technique, and employment is more, is unfavorable for keeping the safety in production;Less it is able to satisfy current high yield, height Imitate the requirement of mine.For this purpose, research fully-mechanized mining working both ends tunnel advanced hydraulic support support apparatus is with regard to extremely urgent.Before this There are some producers to design the advanced hydraulic support in both ends tunnel, still, this bracket is on the basis of Normal hydraulic bracket Remodeling, the problems such as this bracket there is volumes big, weight weight, end support shifting frame bad adaptability, especially in China Southern mine, geological conditions is severe, and coal seam is short, and tunnel is narrow, is not available at all.In the past, advance support used 20m model It in enclosing plus makes a call to three row's monomers and attaches the names of pre-determined candidates a column, intercolumniation 1200 × 1000mm of array pitch manually sets up, withdraws monomer large labor intensity, removes Moving individual prop, there are the danger that hand-touch touches foot, and easily cause the secondary loosening of roof rock, especially roof weighting it is obvious, In the case where rock crusher, it will appear roadway's sides bulging deformation, crush, reduce the section in tunnel, bring ventilation not Freely, damageable a series of problems of equipment directly constrains the normal coal mining of working face, totally unfavorable to keeping the safety in production.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of fully-mechanized mining working advance timbering, fully-mechanized mining working props up in advance Frame is made of top beam, pedestal, extensible canopy, traction device, support system and hydraulic system, in Bracing Process, a supporting Section is total to use 48 framves, joins top beam gib instead of traditional " four group of eight beam " and monomer column cooperation, between every frame by Drawing oil cylinder is connected, and when supporting, extensible canopy and drawing oil cylinder are in stretching state, has adopted a knife coal, and drop column receives extensible canopy And drawing oil cylinder, it realizes shelf Forward, successively carries out, can preferably guarantee the supporting safety in tunnel, reduce danger coefficient, have Solving the problems, such as effect is above-mentioned.
The technical solution of the present invention is as follows: a kind of fully-mechanized mining working advance timbering, it includes pedestal, oil cylinder one and upper frame, institute The top that upper frame is located at pedestal and centre are stated by two connections of oil cylinders one, is hinged with sidewall paneling in the rear side upper end of upper frame, It is fixedly connected with symmetrical two pieces of support plates among the lower section of upper frame, is cut with scissors between the lower end of support plate and the lower part of sidewall paneling It is connected to oil cylinder two, is equipped with oil cylinder three in inside one end of upper frame, oil cylinder four and oil cylinder five are equipped in the inside of pedestal, in pedestal Side is fixedly connected with valve seat bar, is connected with several reversal valves on valve seat bar, the reversal valve by oil pipe respectively with oil cylinder one, Oil cylinder two, oil cylinder three, oil cylinder four and oil cylinder five connect.
The pedestal is cuboid box structure, is fixedly connected with several vertical reinforcing ribs one in the inside of pedestal, Upward segmental arc is arranged at the both ends bottom of pedestal, and two pieces of trunnions are fixedly connected on the outside of one end of pedestal, and trunnion is equipped with hinge Hole is connect, the rod aperture that the telescopic rod on the side wall of pedestal equipped with oil cylinder four stretches out is equipped with oil cylinder five in the end sidewalls of pedestal The hole stretched out of telescopic rod, be fixedly connected above pedestal there are two sleeve, the side of sleeve is fixedly connected with several reinforcements Muscle two.
The bottom end of the oil cylinder one extend into sleeve and is connected by the pin shaft one on sleeve, the telescopic rod top of oil cylinder one End is connect with the bottom of upper frame by pin shaft two.
The upper frame is cuboid box structure, is fixedly connected with several vertical reinforcing ribs three in the inside of upper frame, The side wall of upper frame is equipped with square hole, is equipped in one end side of upper frame and passes through through-hole for the telescopic rod of oil cylinder three.
Several reinforcing ribs four are fixedly connected on the inner sidewall of the sidewall paneling.
The oil cylinder end of the oil cylinder two and the bottom end of support plate are hinged, and the flexible rod end and reinforcing rib four of oil cylinder two are cut with scissors It connects.
The axis of the oil cylinder three is located on the length direction of upper frame, and the bottom end of oil cylinder three and upper frame inner wall are hinged, oil cylinder Three telescopic rod is fixedly connected with telescopic arm, and the telescopic arm stretches out outside the end wall of upper frame and is hinged with end plate.
The axis of the oil cylinder four is vertical with the length direction of pedestal, and the bottom end of oil cylinder four and base inner wall are articulated and connected, The telescopic rod of oil cylinder four stretches out the rod aperture on base side wall.
One end of the oil cylinder five is hinged by the reinforcing rib one on pin shaft three and pedestal, and the other end of oil cylinder five passes through pin Axis four and the trunnion of adjacent stent are hinged.
The two halves circle anchor ear being arranged symmetrically is additionally provided on the cylinder body of the oil cylinder one, described anchor ear one end is connected by bolt It connecing, the other end is hinged in the supporting beam between adjacent oil cylinder one by pin shaft four, and the supporting beam is square box structure, Two pieces of connecting plates are fixedly connected with below supporting beam, the connecting plate passes through bolt and the trunnion being fixedly connected on above pedestal Connection is fixedly connected with four pieces of supports in the side of supporting beam, passes through pin shaft five between the support and be hinged with U-shaped connecting plate, The centre of the U-shaped connecting plate is connected with rivet, is connected with chain between the rivet of front and rear row.
The beneficial effects of the present invention are: compared with prior art, using technical solution of the present invention, using light-weight design Thinking, the deisgn product have the features such as small in size, light-weight, supporting intensity is high, underground transportation convenience, adaptability is good, especially Suitable for southern short coal seam narrow production environment condition, with common hydraulic support for low coal seam parameter comparison: with For Zy3800/12/28 bracket, transportation clearance (long x wide x high) 55000x1430x1500, weight support frame: 13.1 tons, and use This bracket: transportation clearance (length, width and height) 16004001443, weight support frame: 1.525 tons, greatly reduce the shape knot of device Structure and weight and same manufacturing technique requirent can be reached, using advance timbering form, gib is carried out to supporting section, is made High with advance timbering supporting intensity, working resistance is big, has stronger security reliability, can adapt to a variety of coal seam conditions, mention High efficiency reduces labor intensity, achieves significant using effect.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is side view of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to this specification attached drawing to this hair It is bright to be described in further detail.
Embodiment 1: as shown in attached drawing 1~2, a kind of fully-mechanized mining working advance timbering, it includes pedestal 9, oil cylinder 1 and top Frame 3, the upper frame 3 is located at the top of pedestal 9 and centre and is connected by two oil cylinders 1, hinged in the rear side upper end of upper frame 3 There is sidewall paneling 5, symmetrical two pieces of support plates 11 is fixedly connected among the lower section of upper frame 3, in the lower end and side of support plate 11 It is hinged with oil cylinder 2 12 between the lower part of siding 5, is equipped with oil cylinder 31 in inside one end of upper frame 3, is equipped in the inside of pedestal 9 Oil cylinder 4 19 and oil cylinder 5 25 are fixedly connected with valve seat bar 15 in the side of pedestal 9, several reversal valves are connected on valve seat bar 15 14, the reversal valve 14 is connected with oil cylinder 1, oil cylinder 2 12, oil cylinder 31, oil cylinder 4 19 and oil cylinder 5 25 respectively by oil pipe 13 It connects.
Further, pedestal 9 is cuboid box structure, is fixedly connected with several vertical reinforcements in the inside of pedestal 9 Muscle 1 has upward segmental arc 8 in the both ends bottom of pedestal 9, and two pieces of trunnions are fixedly connected on the outside of one end of pedestal 9 16, trunnion 16 is equipped with hinge hole 17, the rod aperture 20 that the telescopic rod on the side wall of pedestal 9 equipped with oil cylinder 4 19 stretches out, the bottom of at The end sidewalls of seat 9 are equipped with the hole that the telescopic rod of oil cylinder 5 25 stretches out, and are fixedly connected in the top of pedestal 9 there are two sleeve 31, the side of sleeve 31 is fixedly connected with several reinforcing ribs 27.
Further, the bottom end of oil cylinder 1 extend into sleeve 31 and is connected by the pin shaft 1 on sleeve 31, oil cylinder One 6 telescopic rod top end is connect with the bottom of upper frame 3 by pin shaft 2 23.
Further, upper frame 3 is cuboid box structure, is fixedly connected with several vertical reinforcements in the inside of upper frame 3 Muscle 34 is equipped with square hole 2 on the side wall of upper frame 3, is equipped with to pass through for the telescopic rod of oil cylinder 31 in one end side of upper frame 3 and lead to Hole.
Further, several reinforcing ribs 4 18 are fixedly connected on the inner sidewall of sidewall paneling 5.
Further, the oil cylinder end of oil cylinder 2 12 and the bottom end of support plate 11 are hinged, the flexible rod end of oil cylinder 2 12 with Reinforcing rib 4 18 is hinged.
Further, the axis of oil cylinder 31 is located on the length direction of upper frame 3, the bottom end of oil cylinder 31 and 3 inner wall of upper frame Hingedly, the telescopic rod of oil cylinder 31 is fixedly connected with telescopic arm 21, and the telescopic arm 21 is stretched out outside the end wall of upper frame 3 and is hinged with End plate 22.
Further, the axis of oil cylinder 4 19 is vertical with the length direction of pedestal 9, in the bottom end of oil cylinder 4 19 and pedestal 9 Wall articulated connection, the telescopic rod of oil cylinder 4 19 stretch out the rod aperture 20 on 9 side wall of pedestal.
Further, one end of oil cylinder 5 25 is hinged by the reinforcing rib 1 on pin shaft 3 24 and pedestal 9, oil cylinder 5 25 The other end it is hinged by the trunnion 16 of pin shaft 4 26 and adjacent stent.
Further, the two halves circle anchor ear 27 being arranged symmetrically, described 27 one end of anchor ear are additionally provided on the cylinder body of oil cylinder 1 It is bolted, the other end is hinged in the supporting beam 32 between adjacent oil cylinder 1 by pin shaft 4 38, the supporting beam 32 For square box structure, be fixedly connected with two pieces of connecting plates 28 in the lower section of supporting beam 32, the connecting plate 28 by bolt with The trunnion 30 for being fixedly connected on 9 top of pedestal connects, and is fixedly connected with four pieces of supports 33, the support in the side of supporting beam 32 U-shaped connecting plate 36 is hinged with by pin shaft 5 37 between 33, the centre of the U-shaped connecting plate 36 is connected with rivet 34, in front and back Chain 35 is connected between the rivet 34 of row.
Fully-mechanized mining working advance timbering is by top beam, pedestal, extensible canopy, traction device, support system and hydraulic system structure At in Bracing Process, a supporting section is total to use 48 framves, instead of traditional " four group of eight beam " and monomer column cooperation handover Top beam gib is connected between every frame by drawing oil cylinder.When supporting, extensible canopy and drawing oil cylinder are in stretching state, adopt Complete knife coal, drop column receive extensible canopy and drawing oil cylinder, realize shelf Forward, successively carry out, can preferably guarantee tunnel Supporting safety, reduces danger coefficient.
Using light-weight design thinking, which has small in size, light-weight, supporting intensity height, underground transportation side Just, the features such as adaptability is good, especially suitable for southern short coal seam narrow production environment condition, with common girdle liquid Press support parameter comparison: by taking Zy3800/12/28 bracket as an example, transportation clearance (long x wide x high) 55000x1430x1500, bracket Weight: 13.1 tons, and use this bracket: transportation clearance (length, width and height) 16004001443, weight support frame: 1.525 tons, significantly Reduce device contour structures and weight and same manufacturing technique requirent can be reached, using advance timbering form, to supporting Section carries out gib, and high using advance timbering supporting intensity, working resistance is big, has stronger security reliability, can A variety of coal seam conditions are adapted to, production efficiency is improved, labor intensity is reduced, achieves significant using effect.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.Finally, it is stated that the above reality It applies example to be only used to illustrate the technical scheme of the present invention and not to limit it, although having carried out specifically the present invention referring to preferred embodiment It is bright, those skilled in the art should understand that, can with modification or equivalent replacement of the technical solution of the present invention are made, and The objective and range for not departing from technical solution of the present invention, are intended to be within the scope of the claims of the invention.

Claims (10)

1. a kind of fully-mechanized mining working advance timbering, it is characterised in that: it includes pedestal (9), oil cylinder one (6) and upper frame (3), described Upper frame (3) is located at the top of pedestal (9) and centre is by two oil cylinders one (6) connections, hinged in the rear side upper end of upper frame (3) There are sidewall paneling (5), symmetrical two pieces of support plates (11) is fixedly connected among the lower section of upper frame (3), in support plate (11) It is hinged with oil cylinder two (12) between lower end and the lower part of sidewall paneling (5), is equipped with oil cylinder three (1) in inside one end of upper frame (3), The inside of pedestal (9) is equipped with oil cylinder four (19) and oil cylinder five (25), is fixedly connected with valve seat bar (15) in the side of pedestal (9), Be connected on valve seat bar (15) several reversal valves (14), the reversal valve (14) by oil pipe (13) respectively with oil cylinder one (6), oil Cylinder two (12), oil cylinder three (1), oil cylinder four (19) and oil cylinder five (25) connection.
2. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: the pedestal (9) is cuboid box Shape structure is fixedly connected with several vertical reinforcing ribs one (10) in the inside of pedestal (9), has in the both ends bottom of pedestal (9) Upward segmental arc (8), is fixedly connected with two pieces of trunnions (16) on the outside of one end of pedestal (9), and trunnion (16) is equipped with hinged Hole (17), the rod aperture (20) that the telescopic rod on the side wall of pedestal (9) equipped with oil cylinder four (19) stretches out, in the end of pedestal (9) Side wall is equipped with the hole that the telescopic rod of oil cylinder five (25) stretches out, and is fixedly connected above pedestal (9) there are two sleeve (31), is covered The side of cylinder (31) is fixedly connected with several reinforcing ribs two (7).
3. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: stretch the bottom end of the oil cylinder one (6) Enter into sleeve (31) and by pin shaft one (29) connection on sleeve (31), telescopic rod top end and upper frame (3) of oil cylinder one (6) Bottom pass through pin shaft two (23) connect.
4. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: the upper frame (3) is cuboid box Shape structure is fixedly connected with several vertical reinforcing ribs three (4) in the inside of upper frame (3), and side is equipped on the side wall of upper frame (3) Hole (2) is equipped in one end side of upper frame (3) and passes through through-hole for the telescopic rod of oil cylinder three (1).
5. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: the inner sidewall of the sidewall paneling (5) On be fixedly connected with several reinforcing ribs four (18).
6. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: the oil cylinder end of the oil cylinder two (12) Hinged with the bottom end of support plate (11), the flexible rod end and reinforcing rib four (18) of oil cylinder two (12) are hinged.
7. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: the axis position of the oil cylinder three (1) In on the length direction of upper frame (3), the bottom end of oil cylinder three (1) and upper frame (3) inner wall are hinged, and the telescopic rod of oil cylinder three (1) is fixed It is connected with telescopic arm (21), the telescopic arm (21) stretches out outside the end wall of upper frame (3) and is hinged with end plate (22).
8. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: the axis of the oil cylinder four (19) with The length direction of pedestal (9) is vertical, and the bottom end of oil cylinder four (19) and pedestal (9) inner wall are articulated and connected, and oil cylinder four (19) stretches Bar stretches out the rod aperture (20) on pedestal (9) side wall.
9. fully-mechanized mining working advance timbering according to claim 1, it is characterised in that: one end of the oil cylinder five (25) is logical Cross reinforcing rib one (10) on pin shaft three (24) and pedestal (9) hingedly, the other end of oil cylinder five (25) by pin shaft four (26) with The trunnion (16) of adjacent stent is hinged.
10. fully-mechanized mining working advance timbering according to claim 1 or 3, it is characterised in that: the cylinder of the oil cylinder one (6) The two halves circle anchor ear (27) being arranged symmetrically is additionally provided on body, described anchor ear (27) one end is bolted, and the other end passes through Pin shaft four (38) is hinged in the supporting beam (32) between adjacent oil cylinder one (6), and the supporting beam (32) is square box structure, Two pieces of connecting plates (28) are fixedly connected with below supporting beam (32), the connecting plate (28) passes through bolt and is fixedly connected on Trunnion (30) connection above pedestal (9), is fixedly connected with four pieces of supports (33), the support in the side of supporting beam (32) (33) it is hinged with U-shaped connecting plate (36) between by pin shaft five (37), the centre of the U-shaped connecting plate (36) is connected with rivet (34), it is connected between the rivet of front and rear row (34) chain (35).
CN201811479646.7A 2018-12-05 2018-12-05 Advanced support for fully-mechanized coal mining face Active CN109322686B (en)

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CN109322686B CN109322686B (en) 2024-05-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110426016A (en) * 2019-07-30 2019-11-08 精英数智科技股份有限公司 A kind of alignment householder method and system for moving frame for fully-mechanized mining working surface hydraulic support

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200940489Y (en) * 2006-08-04 2007-08-29 王新民 Hydraulic chock of medium thick coal layer combined advanced support
CN203531940U (en) * 2013-07-25 2014-04-09 河南焦煤能源有限公司九里山矿 Stepping type advanced supporting and hydraulic support
CN203796290U (en) * 2014-04-28 2014-08-27 范东升 Light flexible simple fully-mechanized mining hydraulic support
CN205047241U (en) * 2015-09-28 2016-02-24 沈阳天安科技股份有限公司 Tunnel quick travel formula advance support support
CN106761874A (en) * 2017-03-31 2017-05-31 河南理工大学 A kind of automatic moving type forepoling hydraulic support with side guard plate
CN209129646U (en) * 2018-12-05 2019-07-19 贵州盘江矿山机械有限公司 A kind of anti-tipping apparatus of fully-mechanized mining working advance timbering
CN209293828U (en) * 2018-12-05 2019-08-23 贵州盘江矿山机械有限公司 A kind of fully-mechanized mining working advance timbering structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200940489Y (en) * 2006-08-04 2007-08-29 王新民 Hydraulic chock of medium thick coal layer combined advanced support
CN203531940U (en) * 2013-07-25 2014-04-09 河南焦煤能源有限公司九里山矿 Stepping type advanced supporting and hydraulic support
CN203796290U (en) * 2014-04-28 2014-08-27 范东升 Light flexible simple fully-mechanized mining hydraulic support
CN205047241U (en) * 2015-09-28 2016-02-24 沈阳天安科技股份有限公司 Tunnel quick travel formula advance support support
CN106761874A (en) * 2017-03-31 2017-05-31 河南理工大学 A kind of automatic moving type forepoling hydraulic support with side guard plate
CN209129646U (en) * 2018-12-05 2019-07-19 贵州盘江矿山机械有限公司 A kind of anti-tipping apparatus of fully-mechanized mining working advance timbering
CN209293828U (en) * 2018-12-05 2019-08-23 贵州盘江矿山机械有限公司 A kind of fully-mechanized mining working advance timbering structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110426016A (en) * 2019-07-30 2019-11-08 精英数智科技股份有限公司 A kind of alignment householder method and system for moving frame for fully-mechanized mining working surface hydraulic support

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