CN101182780A - Coal mine down-hole splited articulated look ahead supporting support - Google Patents
Coal mine down-hole splited articulated look ahead supporting support Download PDFInfo
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- CN101182780A CN101182780A CNA2007101853158A CN200710185315A CN101182780A CN 101182780 A CN101182780 A CN 101182780A CN A2007101853158 A CNA2007101853158 A CN A2007101853158A CN 200710185315 A CN200710185315 A CN 200710185315A CN 101182780 A CN101182780 A CN 101182780A
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Abstract
The present invention relates to a detachably hinged leading support bracket under the coal mine, mainly consisting of a base, a front and rear connecting rod, a shielding beam, a roof beam, a front and rear beam, a first and second lateral turning beam, a hydraulic cylinder, a cruciform joint and a hydraulic operating mechanism. In the separately hinged structural design, four upright-column cylinders are inclined upwards and lifted; the roof beam, the front and rear beam and the first and second lateral turning beam can be wholly lifted upwards and downwards in parallel to support the top of a lane; top shielding beams can be arbitrarily adjusted, added or deducted according to the lane and each beam can stretch, contract and fold; the shielding beam and the front and rear connecting rod constitute an up and down lifting and parallel moving mechanism; the whole adopts the hydraulic power, hydraulic operation and hinged assembly of detachable delivery. The design, with the advantages of reasonable structure, good intensity, great power, stable reliability, large support area, good support effect, convenient lifting, moving, adjusting and dismantling, and reliable security, is an ideal detachably hinged leading support bracket used on the comprehensive mining surface under the coal mine.
Description
Technical field
The present invention is a kind of coal mine down-hole splited articulated look ahead supporting support, belongs to the advance support apparatus technology in fully-mechanized mining working mechanical transport tunnel under the coal mine.
Background technology
In large-scale modernized colliery, the mechanization performing comprehensive coal mining operations is finished in the downhole crossheading tunnel, and its large transport airplane tool equipment also all is installed in the gate road, and gate road has become the passage of crucial operation, transportation, ventilation under the coal mine.
Because geological conditions complexity under the coal mine, the terrane stress skewness, environment is abominable, is mined and transports vibration influence, the back distortion is serious, two nations also can inwardly push, shrink, and directly influence tunnel transportation and personal security, especially at 30-50 rice, operation working face the place ahead, the tunnel can be out of shape in a large number, leading pressure is big especially, thus must support apparatus be set in the place ahead of crossheading haulage drift, to guarantee large-scale coal-winning machine, elevating conveyor, conveying function safety coal mining, hauling operation.
After entering 21st century, arise at the historic moment in ultra-large type, modernized colliery, its coal mining haulage device is also all to large scale development, coal mine downhole crossheading height of tunnel and width also all comply with carried out increasing, broadening, 4 meters have highly been reached, width has reached 6 meters, and this just gives to combine and adopts shoring with advance support of tunnel and haulage drift and brought very big difficulty.
Summary of the invention
Goal of the invention
Purpose of the present invention is exactly the actual conditions at the present situation of background technology and height, wide type tunnel, design a kind of splited articulated look ahead supporting support that can adapt to high 4 meters, wide 6 meters gate road, adopt hydraulic vertical prop support, four connecting rod liftings, the supporting of back timber large tracts of land, adopt the hinged assembling of component of machine split, move to increase substantially and to increase supporting area, the bracing force in height, wide tunnel and be convenient to dismounting.
Technical scheme
Primary structure of the present invention by: base, front rod, back link, caving shield, back timber, front-axle beam, the back rest, rollover beam, column oil cylinder, pass oil cylinder, front and rear beam oil cylinder, rollover oil cylinder, hydraulic control mechanism, cruciform joint and form; Be provided with column oil cylinder 3,4,5,6 in the position, front, rear, left and right of left and right sides base 1,2, the column oil cylinder is inclined upwardly and shores back timber 17, and column oil cylinder 3,4,5,6 half-angle that is inclined upwardly is 6 °; The upper front of left and right sides base 1,2 is provided with front rod 19,20, connect by preceding connecting axle 41, the upper back of left and right sides base 1,2 is provided with back link 21,22, connect by back connecting axle 42, front rod 19,20 connects with caving shield 18 by preceding connecting axle 43, caving shield 18 connects with back timber 17 by cruciform joint 23, and back link 21,22 connects with caving shield 18 by back connecting axle 44; Pass oil cylinder 7,8 about the back bottom of left and right sides base 1,2 is provided with, and connect left and right sides engaging lug 25,26 respectively; The back timber 17 anterior front-axle beam axles 39 that pass through connect with front-axle beam 15, and the bottom connects front-axle beam oil cylinders 9,49 by engaging lug 27,28; Back timber 17 rear portions connect with the back rest 16 by back rest axle 40, and the bottom connects back rest oil cylinder 10,50 by connecting ear 29,30; Back timber 17 left front portions are provided with left front one-level rollover beam 35, and by 12,138 connections of one-level rollover oil cylinder, left back portion is provided with one-level rollover beam 36, and by 46,140 connections of one-level rollover oil cylinder, left front one-level rollover beam 35 connects left front secondary rollover beam 37, and by 14 connections of secondary rollover oil cylinder, left back one-level rollover beam 36 connects left back secondary rollover beam 38, and by 48 connections of secondary rollover oil cylinder; The right front portion of back timber 17 is provided with right front one-level rollover beam 31, and by 11,137 connections of one-level rollover oil cylinder, right back portion is provided with one-level rollover beam 32, and by 45,139 connections of one-level rollover oil cylinder, right front one-level rollover beam 31 connects right front secondary rollover beam 33, and by 13 connections of secondary rollover oil cylinder, right back one-level rollover beam 32 connects right back secondary rollover beam 34, and by 47 connections of secondary rollover oil cylinder.
Described forward and backward beam 15,16 structures are the same, are symmetrical arranged junction plate 52,53 at the middle part of beam body 51, and oil cylinder seat 54 is set on junction plate 52, and oil cylinder seat 55 is set on junction plate 53.
Described back timber 17 is provided with link 59,60 in the left side of beam body 56 front and rear portions, in the right side of beam body 56 front and rear portions link 57,58 is set; Front middle part at beam body 56 is provided with the cross joint headstock 81; Be symmetrical arranged engaging lug 65,66,67,68, spacing hole 79,80 at the middle part of beam body 56 left and right sides; Left and right sides at support body 56 is symmetrical arranged engaging lug 71,72,73,74,75,76,77,78; Be symmetrical arranged leghole 61,62,63,64 at the left and right sides of support body 56 sidepiece.
Described caving shield 18 is provided with connector housing 87 in the middle of the rear portion of beam body 82, one is symmetrical arranged beam arm 83,84 about beam body 82, in the end of beam arm 83,84 hoisting ring 85,86 is set.
Described front rod 19,20 structures are the same, and the two ends, the left and right sides of the body of rod 88 are symmetrical arranged connecting hole 89,90.
Described back link 21,22 structures are the same, are turn of bilge 92 at the body of rod 91 right parts, at the left end of the body of rod 91 connecting hole 93 are set, and at the right-hand member of the body of rod 91 connecting hole 94 are set.
Described one- level rollover beam 31,32,35,36 structures are the same, be symmetrical arranged junction plate 97,98 at beam body 95 middle parts, oil cylinder seat 99,100 is set on junction plate 97,98, is provided with engaging lug 96, be symmetrical arranged four holes for hoist 101 in two side corner sections of beam body 95 at the middle part of beam body 95.
Described secondary rollover beam 33,34,37,38 structures are the same, are that oil cylinder seat 105, both sides are engaging lug 103,104 at beam body 102 middle parts, and the both sides of beam body 102 are symmetrical arranged two holes for hoist 106.
Described hydraulic mechanism, feed flow pumping plant 121 connects electric hydraulic control valve group 122, electric hydraulic control valve group 122 connects column oil cylinder 3 by electromagnetic valve 123,4,5,6, connect front-axle beam control valve 69 by electromagnetic valve 124,125, and connection front-axle beam oil cylinder 9,49, connect front-axle beam control valve 127 by electromagnetic valve 126, and connection back rest oil cylinder 10,50, connect one-level rollover control valve 129 by electromagnetic valve 128,130, and connection one-level rollover oil cylinder 11,137,45,139, connect one-level rollover control valve 141 by electromagnetic valve 70,142, and connection one-level rollover oil cylinder 12,138,46,140, connect secondary rollover control valve 132 by electromagnetic valve 131,133, and connection secondary rollover oil cylinder 14,48,13,47, connect left translation oil cylinder 27 by electromagnetic valve 134, connect the right oil cylinder 28 of passing by electromagnetic valve 135, each one of hydraulic mechanism is by hydraulic tube 136 UNICOMs.
Beneficial effect
The present invention compares with background technology has tangible advance, it is to have adopted splited articulated structure design, adopt four column oil cylinders to be inclined upwardly, lifting, can make back timber, front-axle beam, the back rest, one, the following on the whole parallel lifting moving of secondary rollover beam, shore the top, tunnel, front and back are provided with front-axle beam, the back rest, about be provided with one, secondary rollover beam, visual tunnel situation, at any time adjust, plus-minus uses each top guard beam, each beam is extensible, shrink, folding, it is long-pending both to have increased top protective surface, can dismantle at any time again, reduce volume, the four columns half-angle that is inclined upwardly is 6 °, increased and shored strength and steadiness, caving shield, front rod, back link is formed parallel reciprocating mechanism, reliable and stable, the whole hydraulic power that adopts, and by the operating valve set manipulation, strength is big, operate steadily, about pass oil cylinder adjustable support position, whole employing split, hinged, but split is transported under the coal mine, and the hinged assembling in the down-hole has overcome the complete machine transportation difficulty at narrow, this project organization is reasonable, intensity is good, strength is big, top protective surface is long-pending big, supporting effect is good, lifting, adjust, move freely easy accessibility, safe and reliable, be the splited articulated look ahead supporting support of fully mechanized coal face under the very good coal mine.
Description of drawings
Fig. 1 is the overall structure front view
Fig. 2 is the overall structure vertical view
Fig. 3 is the overall structure lateral view
Fig. 4 is the front-axle beam front view
Fig. 5 is the A-A sectional drawing of Fig. 4
Fig. 6 is the back timber front view
Fig. 7 is the B-B sectional drawing of Fig. 6
Fig. 8 is the caving shield front view
Fig. 9 is the C-C sectional drawing of Fig. 8
Figure 10 is the front rod front view
Figure 11 is the D-D sectional drawing of Figure 10
Figure 12 is the back link front view
Figure 13 is the E-E sectional drawing of Figure 12
Figure 14 is one-level rollover beam front view
Figure 15 is the F-F sectional drawing of Figure 14
Figure 16 is secondary rollover beam front view
Figure 17 is the G-G sectional drawing of Figure 16
Figure 18 is the base front view
Figure 19 is a base vertical view
Figure 20 is the hydraulic press composition
Figure 21 is the overall structure stereogram
Shown in the figure, list of numerals is as follows:
1, left side base, 2, right base, 3, the column oil cylinder, 4, the column oil cylinder, 5, the column oil cylinder, 6, the column oil cylinder, 7, the left translation oil cylinder, 8, right oil cylinder, 9 of passing, the front-axle beam oil cylinder, 10, back rest oil cylinder, 11, one-level rollover oil cylinder, 12, one-level rollover oil cylinder, 13, secondary rollover oil cylinder, 14, secondary rollover oil cylinder, 15, front-axle beam, 16, the back rest, 17, back timber, 18, caving shield, 19, left front connecting rod, 20, right front connecting rod, 21, left back connecting rod, 22, right back connecting rod, 23, cruciform joint, 24, electric control box, 25, left side engaging lug, 26, right engaging lug, 27, engaging lug, 28, engaging lug, 29, engaging lug, 30, engaging lug, 31, right front one-level rollover beam, 32, right back one-level rollover beam, 33, right front secondary rollover beam, 34, right back secondary rollover beam, 35, left front one-level rollover beam, 36, left back one-level rollover beam, 37, left front secondary rollover beam, 38, left back secondary rollover beam, 39, the front-axle beam axle, 40, back rest axle, 41, preceding connecting axle, 42, back connecting axle, 43, preceding connecting axle, 44, back connecting axle, 45, one-level rollover oil cylinder, 46, one-level rollover oil cylinder, 47, secondary rollover oil cylinder, 48, secondary rollover oil cylinder, 49, the front-axle beam oil cylinder, 50, back rest oil cylinder, 51, the beam body, 52, junction plate, 53, junction plate, 54, oil cylinder seat, 55, oil cylinder seat, 56, the beam body, 57, right link, 58, right link, 59, left side link, 60, left side link, 61, leghole, 62, leghole, 63, leghole, 64, leghole, 65, engaging lug, 66, engaging lug, 67, engaging lug, 68, engaging lug, 69, the front-axle beam control valve, 70, electromagnetic valve, 71, engaging lug, 72, engaging lug, 73, engaging lug, 74, engaging lug, 75, engaging lug, 76, engaging lug, 77, engaging lug, 78, engaging lug, 79, spacing hole, 80, spacing hole, 81, the cross joint headstock, 82, the beam body, 83, beam arm, 84, beam arm, 85, hoisting ring, 86, hoisting ring, 87, beam body connector housing, 88, the body of rod, 89, connecting hole, 90, connecting hole, 91, the body of rod, 92, turn of bilge, 93, connecting hole, 94, connecting hole, 95, the beam body, 96, engaging lug, 97, junction plate, 98, junction plate, 99, oil cylinder seat, 100, oil cylinder seat, 101, hole for hoist, 102, the beam body, 103, engaging lug, 104, engaging lug, 105, oil cylinder seat, 106, hole for hoist, 107, pedestal, 108, connecting hole, 109, connecting hole, 110, conveying hole, 111, connecting hole, 112, link slot, 113, Upright post base, 114, Upright post base, 115, Upright post base, 116, Upright post base, 117, leghole, 118, leghole, 119, leghole, 120, leghole, 121, the feed flow pumping plant, 122, the electric hydraulic control valve group, 123, electromagnetic valve, 124, electromagnetic valve, 125, the front-axle beam control valve, 126, electromagnetic valve, 127, back rest control valve, 128, electromagnetic valve, 129, one-level rollover control valve, 130, one-level rollover control valve, 131, electromagnetic valve, 132, secondary rollover control valve, 133, secondary rollover control valve, 134, electromagnetic valve, 135, electromagnetic valve, 136, hydraulic tube, 137, one-level rollover beam oil cylinder, 138, secondary rollover beam oil cylinder, 139, one-level rollover beam oil cylinder, 140, secondary rollover beam oil cylinder, 141, one-level rollover control valve, 142, one-level rollover control valve.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Fig. 1,2,3, entire bracket is a splited articulated structure, but split transportation, the hinged assembling in down-hole, adopt left and right sides base, four upright supports, four connecting rod upper and lower translations, back timber+front-axle beam+back rest+left and right sides one-level rollover beam+left and right sides secondary rollover girder construction is adopted in supporting, and needs are protected on visual underground work top, plus-minus uses front-axle beam, the back rest, one-level rollover beam, secondary rollover beam, and is long-pending to adjust top protective surface.
Four column oil cylinders 3,4,5,6 adopt and are symmetrical arranged, and be upwards, outward-dipping, its inclination half-angle is 6 °, to increase the bracing force of column oil cylinder.
Caving shield 18, front rod 19,20, back link 21,22 connect with left and right sides base 1,2, back timber 17 by front and back connecting axle 41,42,43,44, cruciform joint 23, the oscilaltion that can realize back timber 17 is horizontal lifting, make supporting safer, can prop during use, can fall when not using.
Left and right sides base the 1, the 2nd, whole supporting seat is passed oil cylinder 7,8 about the rear portion of left and right sides base 1,2 is provided with, can adjust the position of base and support, also can carry out short distance and move voluntarily.
Front-axle beam 15, the back rest 16, one- level rollover beam 31,32,35,36, secondary rollover beam 33,34,37,38 are located, launch, are shunk by rollover oil cylinder tractive, forward and backward beam oil cylinder respectively is two, totally four, be front-axle beam oil cylinder 9,49, back rest oil cylinder 10,50, one-level rollover oil cylinder respectively is two, totally eight, secondary rollover oil cylinder respectively is one, totally four, one-level rollover oil cylinder 11,12,45,46,137,138,139,140, secondary rollover oil cylinder 13,14,47,48, can launch by the rollover oil cylinder during use, can regain by the rollover oil cylinder when not using.
Whole adopt the hydraulic mechanism transmission to handle, feed flow pumping plant 121 connects with external hydraulic tube, and hydraulic mechanism is stablized, and strength is big.
Shown in Fig. 4,5, front-axle beam, back girder construction are the same, are mounted in the front and back position of back timber 17, can optionally launch or folding, also can singlely use, and intensity good, make of structural alloy steel.
Shown in Fig. 6,7, being the back timber structure chart, is that the main body of support is shored parts, bearing capacity, support force, impact be all very big, will make of the crash-proof structural alloy steel, being the installation position of forward and backward beam, I and II rollover beam, is girder, and it is correct that want each position.
Shown in Fig. 8,9, being the caving shield structure chart, is the main body of four-bar linkage structure, is the girder of forming a connecting link, and top connects back timber, and pulling front and rear connecting rods in bottom wants that intensity is good, strength is big.
Shown in Figure 10,11,12,13, being front rod, back link structure chart, is to be benchmark with left and right sides base 1,2, and pulling caving shield 18 is done and moved up and down, and works the leverage of taking over from the past and setting a new course for the future, forming a connecting link, and motive force is big.
Shown in Figure 14,15,16,17, be I and II rollover girder construction figure, be mounted in the back timber left and right sides, can use a side, also can use both sides, also can use simultaneously, regulation and control optionally want that intensity is good, impact resistance.
Shown in Figure 18,19, being left and right sides base 1,2 structure charts, is cast-weld construction, and bearing capacity is big, want intensity good, make of structural alloy steel, and each connecting hole, leghole are wanted correct position, must not be offset.
Shown in Figure 20, be the hydraulic press composition, feed flow pumping plant 121 connects electric hydraulic control valve group 122, electric hydraulic control valve group 122 is provided with a plurality of electromagnetic valves 70,123,124,126,128,131,134,135, and connect each functional hydraulic oil cylinder, and by hydraulic tube 136 UNICOMs, it is smooth that hydraulic circuit is wanted, and it is clean that hydraulic oil liquid is wanted.
Shown in Figure 21, be the support stereogram, among the figure as can be known: the compact split of each modular construction is hinged, harmonious, and connecting relation is reasonable.
Claims (10)
1. coal mine down-hole splited articulated look ahead supporting support is characterized in that: primary structure by: base, front rod, back link, caving shield, back timber, front-axle beam, the back rest, rollover beam, column oil cylinder, pass oil cylinder, front and rear beam oil cylinder, rollover oil cylinder, hydraulic control mechanism, cruciform joint and form; Be provided with column oil cylinder (3,4,5,6) in the position, front, rear, left and right of left and right sides base (1,2), the column oil cylinder is inclined upwardly and shores back timber (17), and column oil cylinder (3,4,5, the 6) half-angle that is inclined upwardly is 6 °; The upper front of left and right sides base (1,2) is provided with front rod (1 9,20), connect by preceding connecting axle (41), the upper back of left and right sides base (1,2) is provided with back link (21,22), connect by back connecting axle (42), front rod (19,20) connects with caving shield (18) by preceding connecting axle (43), caving shield (18) connects with back timber (17) by cruciform joint (23), and back link (21,22) connects with caving shield (18) by back connecting axle (44); Pass oil cylinder (7,8) about the back bottom of left and right sides base (1,2) is provided with, and connect left and right sides engaging lug (25,26) respectively; Back timber (17) is anterior to be connected with front-axle beam (15) by front-axle beam axle (39), and the bottom connects front-axle beam oil cylinder (9,49) by engaging lug (27,28); Back timber (17) rear portion connects with the back rest (16) by back rest axle (40), and the bottom connects back rest oil cylinder (10,50) by connecting ear (29,30); The left front portion of back timber (17) is provided with left front one-level rollover beam (35), and by one-level rollover oil cylinder (12,138) connection, left back portion is provided with one-level rollover beam (36), and by one-level rollover oil cylinder (46,140) connection, left front one-level rollover beam (35) connects left front secondary rollover beam (37), and by secondary rollover oil cylinder (14) connection, left back one-level rollover beam (36) connects left back secondary rollover beam (38), and by secondary rollover oil cylinder (48) connection; The right front portion of back timber (17) is provided with right front one-level rollover beam (31), and by one-level rollover oil cylinder (11,137) connection, right back portion is provided with one-level rollover beam (32), and by one-level rollover oil cylinder (45,139) connection, right front one-level rollover beam (31) connects right front secondary rollover beam (33), and by secondary rollover oil cylinder (13) connection, right back one-level rollover beam (32) connects right back secondary rollover beam (34), and by secondary rollover oil cylinder (47) connection.
2. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described forward and backward beam (15,16) structure is the same, be symmetrical arranged junction plate (52,53) at the middle part of beam body (51), oil cylinder seat (54) is set on junction plate (52), oil cylinder seat (55) is set on junction plate (53).
3. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described back timber (17), left side front and rear portions at beam body (56) is provided with link (59,60), in the right side front and rear portions of beam body (56) link (57,58) is set; Front middle part at beam body (56) is provided with the cross joint headstock (81); Middle part left and right sides at beam body (56) is symmetrical arranged engaging lug (65,66,67,68), spacing hole (79,80); Left and right sides at support body (56) is symmetrical arranged engaging lug (71,72,73,74,75,76,77,78); Left and right sides sidepiece at support body (56) is symmetrical arranged leghole (61,62,63,64).
4. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described caving shield (18), connector housing (87) is set in the middle of the rear portion of beam body (82), portion is symmetrical arranged beam arm (83,84) about beam body (82), in the end of beam arm (83,84) hoisting ring (85,86) is set.
5. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1 is characterized in that: described front rod (19,20) structure is the same, and the two ends, the left and right sides of the body of rod (88) are symmetrical arranged connecting hole (89,90).
6. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described back link (21,22) structure is the same, at the body of rod (91) right part is turn of bilge (92), left end at the body of rod (91) is provided with connecting hole (93), at the right-hand member of the body of rod (91) connecting hole (94) is set.
7. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described one-level rollover beam (31,32,35,36) structure is the same, be symmetrical arranged junction plate (97,98) at beam body (95) middle part, oil cylinder seat (99,100) is set on junction plate (97,98), be provided with engaging lug (96) at the middle part of beam body (95), be symmetrical arranged four holes for hoist (101) in two side corner sections of beam body (95).
8. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described secondary rollover beam (33,34,37,38) structure is the same, is engaging lug (103,104) at beam body (102) middle part for oil cylinder seat (105), both sides, and the both sides of beam body (102) are symmetrical arranged two holes for hoist (106).
9. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described left and right sides base (1,2) structure is the same, top at pedestal (107) is provided with connecting hole (108,109), bottom at pedestal (107) is symmetrical set Upright post base (113,114,115,116), Upright post base (113,114,115, leghole (117 is set 116), 118,119,120), bottom right-hand member at pedestal (107) is provided with link slot (112), connecting hole (111) is symmetrical set four conveying holes (110) in the bottom of pedestal (107).
10. a kind of coal mine down-hole splited articulated look ahead supporting support according to claim 1, it is characterized in that: described hydraulic mechanism, feed flow pumping plant (121) connects electric hydraulic control valve group (122), electric hydraulic control valve group (122) connects column oil cylinder (3 by electromagnetic valve (123), 4,5,6), connect front-axle beam control valve (69 by electromagnetic valve (124), 125), and connection front-axle beam oil cylinder (9,49), connect front-axle beam control valve (127) by electromagnetic valve (126), and connection back rest oil cylinder (10,50), connect one-level rollover control valve (129 by electromagnetic valve (128), 130), and connection one-level rollover oil cylinder (11,137,45,139), connect one-level rollover control valve (141 by electromagnetic valve (70), 142), and connection one-level rollover oil cylinder (12,138,46,140), connect secondary rollover control valve (132 by electromagnetic valve (131), 133), and connection secondary rollover oil cylinder (14,48,13,47), connect left translation oil cylinder (27) by electromagnetic valve (134), connect the right oil cylinder (28) of passing by electromagnetic valve (135), each one of hydraulic mechanism is by hydraulic tube (136) UNICOM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101853158A CN101182780A (en) | 2007-11-28 | 2007-11-28 | Coal mine down-hole splited articulated look ahead supporting support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101853158A CN101182780A (en) | 2007-11-28 | 2007-11-28 | Coal mine down-hole splited articulated look ahead supporting support |
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| CN101182780A true CN101182780A (en) | 2008-05-21 |
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| CNA2007101853158A Pending CN101182780A (en) | 2007-11-28 | 2007-11-28 | Coal mine down-hole splited articulated look ahead supporting support |
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| CN101956562B (en) * | 2009-07-13 | 2012-03-14 | 郑州四维机电设备制造有限公司 | Self-advancing gate road advance support bracket |
| CN102392663A (en) * | 2011-11-30 | 2012-03-28 | 兖矿集团有限公司 | Forward supporting hydraulic support and forward supporting hydraulic support system |
| CN105292144A (en) * | 2015-09-24 | 2016-02-03 | 北京天地玛珂电液控制系统有限公司 | Coal mine underground stepping-type equipment train control method |
| CN108843353A (en) * | 2018-07-18 | 2018-11-20 | 湖南进军隧道智能装备有限公司 | A kind of excavation stand translation installing mechanism |
| CN108894811A (en) * | 2018-05-03 | 2018-11-27 | 太原科技大学 | A kind of outdoor highwall coal mining crawler travel cave mouth protection ceiling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101956562B (en) * | 2009-07-13 | 2012-03-14 | 郑州四维机电设备制造有限公司 | Self-advancing gate road advance support bracket |
| CN102392663A (en) * | 2011-11-30 | 2012-03-28 | 兖矿集团有限公司 | Forward supporting hydraulic support and forward supporting hydraulic support system |
| CN105292144A (en) * | 2015-09-24 | 2016-02-03 | 北京天地玛珂电液控制系统有限公司 | Coal mine underground stepping-type equipment train control method |
| CN108894811A (en) * | 2018-05-03 | 2018-11-27 | 太原科技大学 | A kind of outdoor highwall coal mining crawler travel cave mouth protection ceiling |
| CN108843353A (en) * | 2018-07-18 | 2018-11-20 | 湖南进军隧道智能装备有限公司 | A kind of excavation stand translation installing mechanism |
| CN108843353B (en) * | 2018-07-18 | 2023-08-15 | 湖南进军隧道智能装备有限公司 | Excavation grudging post translation installation mechanism |
| CN111946378A (en) * | 2020-07-29 | 2020-11-17 | 煤炭科学研究总院 | Light electric bracket for coal mine |
| CN113738427A (en) * | 2021-08-25 | 2021-12-03 | 华能煤炭技术研究有限公司 | Supporting beam, advance supporting equipment and circulating laying method of supporting beam |
| CN115962730A (en) * | 2023-03-16 | 2023-04-14 | 石家庄宜中机电技术有限公司 | Coal mine tunnel roof deformation dense grating on-line monitoring device |
| CN115962730B (en) * | 2023-03-16 | 2023-05-12 | 石家庄宜中机电技术有限公司 | On-line monitoring device for deformation dense grating of coal mine tunnel roof |
| CN117108331A (en) * | 2023-10-23 | 2023-11-24 | 山西新龙重工高分子科技有限公司 | Unit type hydraulic support |
| CN117108331B (en) * | 2023-10-23 | 2024-01-02 | 山西新龙重工高分子科技有限公司 | Unit type hydraulic support |
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