CN202483602U - Self-moving roadway hydraulic support - Google Patents
Self-moving roadway hydraulic support Download PDFInfo
- Publication number
- CN202483602U CN202483602U CN2012201093033U CN201220109303U CN202483602U CN 202483602 U CN202483602 U CN 202483602U CN 2012201093033 U CN2012201093033 U CN 2012201093033U CN 201220109303 U CN201220109303 U CN 201220109303U CN 202483602 U CN202483602 U CN 202483602U
- Authority
- CN
- China
- Prior art keywords
- base
- back timber
- vertical
- hydraulic support
- axis
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to a self-moving roadway hydraulic support and aims at providing the roadway hydraulic support which can effectively prevent a roadway lower stratum from bosomy deformation and has excellent support ability. The self-moving roadway hydraulic support comprises a top beam, a base and a telescopic hydraulic column, wherein the top beam parallels to the base, and central axis of the top beam and the central axis of the base are located in the same vertical plane. The telescopic hydraulic column vertically stands between the top beam and the base, and the top beam and the base are respectively connected with one end of the telescopic hydraulic column. The top beam is integrally formed in a box shape by a crown plate, two first axial side panels and two first radial side panels in welded mode, the base is integrally formed in the shape of a box by a bottom plate, two second axial side panels and two second radial side panels in welded mode, and the area of bottom plate is larger than that of the crown plate. A third telescopic cylinder is connected with the second radial side panels. Both sides of the axial direction of the top beam are respectively provided with a side movable beam, wherein each side movable beam is connected with the upper end of one first axial side panel in a hinged mode, and lower portions of the first axial side panels are connected with the side movable beams through the first telescopic cylinder.
Description
Technical field
The utility model relates to a kind of coal cutting roadway supporting tool, particularly relates to a kind of hydraulic support.
Background technology
Coal-face is adopted the influence of leading pressure under the coal mine, makes coal-face air way pressurized up and down, and distortion is heaved in the rock stratum under the tunnel, makes section dwindle, damage disequilibrium, forms big potential safety hazard.In order to guarantee tunnel safety, prevent down that the rock stratum plays drum distortion, traditional support technology is provided with a lot of support units on the tunnel, and material is in heaps, influence the normal charging of work plane, discharging, restricts the production efficiency in colliery.
The utility model content
The technical problem that the utility model will solve provides and a kind ofly prevents that effectively rock stratum under the tunnel from playing drum distortion, automatic moving type tunnel hydraulic support that support capacity is strong.
The utility model automatic moving type tunnel hydraulic support; Comprise back timber, base and scalable hydraulic vertical prop; Said back timber and the two axis parallel with base is positioned on the same vertical guide; Scalable hydraulic vertical prop vertically stands between back timber and the base, and the two ends of scalable hydraulic vertical prop are fixedly connected with base with back timber respectively, said back timber by top board, two first axial lateral plates with two first radially the side plate Combination Welding become box whole; Said base by base plate, two second axial lateral plates with two second radially the side plate Combination Welding become box whole; The area of said base plate is greater than the area of top board, and said second radially is connected with the 3rd telescopic oil cylinder on the side plate, and the both sides of said back timber axis direction also are provided with the side walking beam; Each side walking beam one end is hinged on the upper end of first axial lateral plate, and the bottom of said first axial lateral plate is connected with the side walking beam through first telescopic oil cylinder.
The utility model automatic moving type tunnel hydraulic support; The axis of wherein said scalable hydraulic vertical prop is positioned on the different vertical guides with the axis of back timber, base; Said scalable hydraulic vertical prop is provided with three at least; The axis of adjacent two scalable hydraulic vertical props is positioned on the different vertical guides, and the axis of two alternate scalable hydraulic vertical props is positioned on the same vertical guide.
The utility model automatic moving type tunnel hydraulic support wherein also is provided with a linkage, and said linkage is between two scalable hydraulic vertical props; The axis of linkage is vertical with the axis of back timber, base; Said linkage comprises motion bar and fixed bar, and said fixed bar comprises fixed part and guide part, and said fixed part is fixedly connected on two second axial lateral plates; One end of said motion bar is fixedly connected on two first axial lateral plates; Form tight fit in the guide part of the other end insertion fixed bar of motion bar, motion bar can slide up and down in guide part, and the radial dimension of said motion bar is not less than the radial dimension of top board.
The utility model automatic moving type tunnel hydraulic support, the cross section of wherein said guide part are rectangle, and the cross section of motion bar is a rectangle.
The utility model automatic moving type tunnel hydraulic support is provided with the polylith first radially gusset and the first axial gusset in the wherein said back timber, be provided with the polylith second radially gusset and the second axial gusset in the said base.
The utility model automatic moving type tunnel hydraulic support; The two ends of wherein said scalable hydraulic vertical prop are spherical structure, also are provided with cap in the back timber, and said cap is fixed in the back timber; The cap center is provided with first groove that is suitable for holding scalable hydraulic vertical prop end face; Be provided with needling in the said base, said needling is fixed in the base, and the needling center is provided with second groove that is suitable for holding scalable hydraulic vertical prop end face.
The utility model automatic moving type tunnel hydraulic support; The lower surface of wherein said cap is fixedly connected with floor; Said floor is provided with and is suitable for the third through-hole that bearing pin passes, and scalable hydraulic vertical prop is provided with near the termination of back timber and is suitable for first through hole that bearing pin passes, the axis normal of the axis of said third through-hole and first through hole; This automatic moving type tunnel hydraulic support also is provided with two arc grooves; Said arc groove is suitable for holding the bearing pin that passes first through hole, and the bottom of said arc groove also is provided with second through hole, and said second through hole is coaxial with third through-hole.
The utility model automatic moving type tunnel hydraulic support; Wherein also be provided with a T-shape pressing plate and pressing plate ear; Said T-shape pressing plate comprises transverse part and vertical part, and said scalable hydraulic vertical prop is provided with two holddown grooves near the outer wall of base one end, and said holddown groove is suitable for the vertical part and inserts; Said pressing plate ear comprises connecting portion and constriction; Said connecting portion is fixed therein one second radially on the gusset, and an end of said transverse part is inserted in the constriction of pressing plate ear, and the other end of transverse part is fixedly connected on another second radially on the gusset.
The utility model automatic moving type tunnel hydraulic support; Also be provided with extending beam on the wherein said back timber axis direction; Each extending beam one end is hinged on first upper end of side plate radially; Said extending beam lower end edge vertical is provided with starting stave, and the said first axial gusset lower end edge vertical is provided with second riser, and said starting stave is connected with second riser through second telescopic oil cylinder.
The utility model automatic moving type tunnel hydraulic support, wherein said base both ends are the sled type.
The utility model automatic moving type tunnel hydraulic support difference from prior art is that the utility model automatic moving type tunnel hydraulic support is provided with base areas greater than the top board area, and the base plate of overlarge area, top board are aided with the both sides walking beam and enlarge a mask, stand on the center line in tunnel; When the tunnel mantlerock is pressed; This pressure is passed to scalable hydraulic vertical prop through top board, and scalable hydraulic vertical prop passes to base again, and base passes to base plate with this pressure again; The base plate of overlarge area can effectively be controlled under the tunnel rock stratum and heave distortion; Kept the balance in tunnel, support capacity is strong, and can move voluntarily with moving of coal-face; Air way monomer such as woods on the coal-face have been changed, the phenomenon that input and output material is inconvenient.
In the utility model automatic moving type tunnel hydraulic support; The axis that scalable hydraulic vertical prop is set is positioned at different vertical guides with the axis of back timber, base; And the axis of adjacent scalable hydraulic vertical prop is positioned at different vertical guides; The axis of alternate scalable hydraulic vertical prop is positioned on the same vertical guide, also is about to scalable hydraulic vertical prop triplets and constitutes a leg-of-mutton supporting point, and is more stable; Linkage is set, goes up and down with scalable hydraulic vertical prop, the radial dimension that motion bar is set is not less than the top board radial dimension, for supporting top beam in the horizontal direction, prevents that back timber from tilting; In back timber and base, be provided with polylith axially, gusset radially, play the effect of supporting of reinforcing; The end face that designs scalable hydraulic vertical prop is a spherical structure, and first, second groove cooperate with the sphere termination is set in cap, the needling, and the termination of scalable hydraulic vertical prop is placed in one; Cooperate floor, pressing plate, bearing pin to connect again; Than traditional articulated manner, support does not need other supportings when installation and removal; Scalable hydraulic vertical prop still can supporting top beam, and the installing/dismounting bearing pin is convenient; Extending beam is set, the leading pressure of antagonism work plane.
Be described further below in conjunction with the automatic moving type tunnel hydraulic support of accompanying drawing the utility model.
Description of drawings
Fig. 1 is the partial sectional view of the utility model automatic moving type tunnel hydraulic support front view;
Fig. 2 is that the A of Fig. 1 is to sectional view;
Fig. 3 is the upward view of back timber shown in Fig. 1;
Fig. 4 is the vertical view of base shown in Fig. 1;
Fig. 5 is the structure chart of pressing plate;
Fig. 6 is the structure chart of pressing plate ear shown in Fig. 1.
Reference numeral: 1, back timber; 101, top board; 102, first axial lateral plate; 103, first side plate radially; 104, first gusset radially; 105, the first axial gusset; 2, base; 201, base plate; 202, second axial lateral plate; 203, second side plate radially; 204, second gusset radially; 205, the second axial gusset; 3, scalable hydraulic vertical prop; 301, holddown groove; 302, first through hole; 4, side walking beam; 5, motion bar; 6, fixed bar; 601, fixed part; 602, guide part; 7, first telescopic oil cylinder; 8, cap; 801, first groove; 9, arc groove; 901, second through hole; 10, floor; 110, third through-hole; 11, needling; 111, second groove; 12, T-shape pressing plate; 121, transverse part; 122, vertical part; 13, pressing plate ear; 131, connecting portion; 132, constriction; 14, extending beam; 15, starting stave; 16, second riser; 17, second telescopic oil cylinder; 18, the 3rd telescopic oil cylinder.
The specific embodiment
As shown in Figure 1; The utility model automatic moving type tunnel hydraulic support comprises back timber 1, base 2 and scalable hydraulic vertical prop 3, and back timber 1 laterally arranges with base 2 and the axis of the two is positioned on the same vertical guide, and scalable hydraulic vertical prop 3 vertically stands between back timber 1 and the base 2; At least three of quantity settings; Like Fig. 3, shown in Figure 4, the axis of scalable hydraulic vertical prop 3 is positioned on the different vertical guides with the axis of back timber 1, base 2, and the axis of adjacent two scalable hydraulic vertical props 3 is positioned on the different vertical guides; The axis of two alternate scalable hydraulic vertical props 3 is positioned on the same vertical guide, and triplets constitute the supporting of triangle point formula.
Like Fig. 1,2, shown in 3, back timber 1 by top board 101, two first axial lateral plates 102 with two first radially side plate 103 Combination Welding become box whole, also be provided with the polylith first radially gusset 104 and the first axial gusset 105 reinforcing supports in the back timber 1.Like Fig. 1,2, shown in 4, base 2 by base plate 201, two second axial lateral plates 202 with two second radially side plate 203 Combination Welding become box whole, the polylith second radially gusset 204 and the second axial gusset 205 reinforcing supports also are set in the base.Base 2 both ends are the sled type, and second radially is hinged with the 3rd telescopic oil cylinder 18 on the side plate 203, moves forward through the 3rd telescopic oil cylinder 18 driving arms.The area of the area of base plate 201 greater than top board 101 is set, and the pressure transfer that the tunnel mantlerock that large-area base plate 201 bears top board 101 transmits is to rock stratum under the tunnel, prevents down that the rock stratum plays the drum distortion.
As shown in Figure 2; The both sides of back timber 1 axis direction also are provided with side walking beam 4; Each side walking beam 4 one end is hinged on the upper end of first axial lateral plate 102; The bottom of first axial lateral plate 102 is connected with side walking beam 4 through first telescopic oil cylinder 7, swings up and down through first telescopic oil cylinder, 7 driving side walking beams 4.
Between two scalable hydraulic vertical props 3, also be provided with linkage; The axis of linkage is vertical with the axis of back timber 1, base 2; Linkage comprises motion bar 5 and fixed bar 6; Fixed bar 6 comprises fixed part 601 and guide part 602 again, and the cross section of guide part 602 and motion bar 5 is a rectangle, fixed bar 6 through fixed part 601 across on two second axial lateral plates 202 that are fixed in base 2.One end of motion bar 5 is across on two first axial lateral plates 102 that are fixed in back timber 1; The other end of motion bar 5 is inserted in the guide part 602 of fixed bar 6 and forms tight fit; Up-down with scalable hydraulic vertical prop 3; In guide part 602, slide up and down, the radial dimension of motion bar 5 is not less than the radial dimension of top board 101, makes motion bar 5 supporting top beam 1 in the horizontal direction.
The two ends of scalable hydraulic vertical prop 3 are fixedly connected with base 2 with back timber 1 respectively; Scalable hydraulic vertical prop 3 two ends are set to spherical structure; Cap 8 is set in the back timber 1, and cap 8 centers are provided with first groove 801, are suitable for holding the sphere termination of flexible hydraulic vertical prop 3.The lower surface of cap 8 is welded with floor 10, and floor 10 is provided with third through-hole 110, and scalable hydraulic vertical prop 3 is provided with first through hole 302 near the termination of back timber 1, the axis normal of the axis of third through-hole 110 and first through hole 302.Also be provided with arc groove 9 in this set cap 1, it is coaxial with third through-hole 110 that the bottom of arc groove 9 is provided with second through hole, 901, the second through holes 901.First groove 801 of cap 8 is put in the sphere termination of scalable hydraulic vertical prop 3; Pass first through hole 302 of scalable hydraulic vertical prop 3 with bearing pin; Put arc groove 9 at the two ends of bearing pin then, pass the third through-hole 110 on the floor 10 with another bearing pin again, pass second through hole 901 of arc groove 9 bottoms simultaneously; This bearing pin constitutes cross structure with the bearing pin that passes scalable hydraulic vertical prop 3, and scalable hydraulic vertical prop 3 is fixed on the back timber 1.
Be provided with needling 11 in the base 2, needling 11 is fixed in the base 2, and needling 11 centers are provided with second groove 111, is suitable for holding the sphere termination of scalable hydraulic vertical prop 3.Scalable hydraulic vertical prop 3 is provided with two holddown grooves 301 near the outer wall of base 2 one ends.Also be provided with T-shape pressing plate 12 and pressing plate ear 13 in this bracket base 2, as shown in Figure 5, T-shape pressing plate 12 comprises transverse part 121 and vertical part 122.Like Fig. 1, shown in 6, pressing plate ear 13 comprises connecting portion 131 and constriction 132, and pressing plate ear 13 is fixed therein one second radially on the gusset 204 through connecting portion 131.Second groove 111 of needling 11 is put in the sphere termination of scalable hydraulic vertical prop 3; The vertical part 122 of T-shape pressing plate 12 is inserted in the holddown groove 301; One end of transverse part 121 is inserted in the constriction 132 of pressing plate ear 13; The other end is fixedly connected on another second radially on the gusset 204, so scalable hydraulic vertical prop 3 is fixed on the base 2.
Like Fig. 1, shown in 3, also be provided with extending beam 14 on back timber 1 axis direction, each extending beam 14 1 end is hinged on first upper end of side plate 103 radially.Extending beam 14 lower end edge verticals are provided with starting stave 15; The first axial gusset 105 lower end edge verticals are provided with second riser 16; Starting stave 15 is connected with second riser 16 through second telescopic oil cylinder 17, and extending beam 14 contracts second and swings up and down under the driving of oil cylinder 17.
The utility model automatic moving type tunnel hydraulic support is such in the mode of occupation of the leading section of coal-face stope drift active workings, and first various piece with support is transported in the tunnel assembles.
During installation; Base 2 is stood on the center line in tunnel; Earlier the sphere termination of scalable hydraulic vertical prop 3 is put into second groove 111 of needling 11, the vertical part 122 of T-shape pressing plate 12 is inserted in the holddown groove 301, an end of transverse part 121 is inserted in the constriction 132 of pressing plate ear 13; The other end is secured to another second radially on the gusset 204 through bearing pin, and scalable hydraulic vertical prop 3 is fixed on the base 2.After fixing one by one; Back timber 1 is put on the scalable hydraulic vertical prop 3; First groove, 801 correspondences of each cap 8 are put on the sphere termination of each scalable hydraulic vertical prop 3; Pass first through hole 302 on the scalable hydraulic vertical prop 3 with a bearing pin, put arc groove 9 at the two ends of this bearing pin then, pass third through-hole 110 and second through hole 901 of arc groove 9 bottoms on the floor 10 with another root bearing pin again; Constitute cross structure with the bearing pin that passes scalable hydraulic vertical prop 3, scalable hydraulic vertical prop 3 is fixed on the back timber 1.After fixing one by one, the start-up control system rises scalable hydraulic vertical prop 3, and motion bar 5 pushes up top board 101 to the mantlerock in tunnel in company with upwards rising together; Start second telescopic oil cylinder 17 then, promote extending beam 14 and upwards launch; Start first telescopic oil cylinder 7 at last, promote side walking beam 4 and upwards open.
When support need move forward, start first telescopic oil cylinder 7, earlier side walking beam 4 is packed up downwards; Restart second telescopic oil cylinder 17, extending beam 14 is packed up downwards; Then scalable hydraulic vertical prop 3 is fallen, started the 3rd telescopic oil cylinder 18, drive stent migration, after the arrival desired location, erect by aforesaid mode successively again.
During dismounting, start telescopic oil cylinder earlier and respectively side walking beam 4 and extending beam 14 are packed up, back timber 1 is fallen; Remove two bearing pins that constitute cross structure then one by one; Back timber 1 is taken off, remove radially gusset 204 hinged of each T-shape pressing plate transverse part 121 1 ends and second in the base 2 again, the other end of T-shape pressing plate transverse part 121 is taken out from pressing plate ear 13; At last the vertical part 122 of T-shape pressing plate is taken out from holddown groove 301; Releasing can take out it to the constraint of scalable hydraulic vertical prop 3 from the needling 11 of base 2, accomplish dismounting.
Above-described embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that those of ordinary skills make the technical scheme of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (10)
1. automatic moving type tunnel hydraulic support; Comprise back timber (1), base (2) and scalable hydraulic vertical prop (3); Said back timber (1) and the two axis parallel with base (2) is positioned on the same vertical guide; Scalable hydraulic vertical prop (3) vertically stands between back timber (1) and the base (2); The two ends of scalable hydraulic vertical prop (3) are fixedly connected with base (2) with back timber (1) respectively; It is characterized in that: said back timber (1) by top board (101), two first axial lateral plates (102) with two first radially side plate (103) Combination Welding become box whole, said base (2) by base plate (201), two second axial lateral plates (202) with two second radially side plate (203) Combination Welding become box integral body, the area of said base plate (201) is greater than the area of top board (101); Said second radially is connected with the 3rd telescopic oil cylinder (18) on the side plate (203); The both sides of said back timber (1) axis direction also are provided with side walking beam (4), and each side walking beam (4) one end is hinged on the upper end of first axial lateral plate (102), and the bottom of said first axial lateral plate (102) is connected with side walking beam (4) through first telescopic oil cylinder (7).
2. automatic moving type tunnel hydraulic support according to claim 1; It is characterized in that: the axis of said scalable hydraulic vertical prop (3) is positioned on the different vertical guides with the axis of back timber (1), base (2); Said scalable hydraulic vertical prop (3) is provided with three at least; The axis of adjacent two scalable hydraulic vertical props (3) is positioned on the different vertical guides, and the axis of alternate two scalable hydraulic vertical props (3) is positioned on the same vertical guide.
3. automatic moving type tunnel hydraulic support according to claim 2; It is characterized in that: also be provided with a linkage; Said linkage is positioned between two scalable hydraulic vertical props (3), and the axis of linkage is vertical with the axis of back timber (1), base (2), and said linkage comprises motion bar (5) and fixed bar (6); Said fixed bar (6) comprises fixed part (601) and guide part (602); Said fixed part (601) is fixedly connected on two second axial lateral plates (202), and an end of said motion bar (5) is fixedly connected on two first axial lateral plates (102), and the other end of motion bar (5) inserts the middle tight fit that forms of guide part (602) of fixed bar (6); Motion bar (5) can slide up and down in guide part (602), and the radial dimension of said motion bar (5) is not less than the radial dimension of top board (101).
4. automatic moving type tunnel hydraulic support according to claim 3 is characterized in that: the cross section of said guide part (602) is a rectangle, and the cross section of motion bar (5) is a rectangle.
5. according to the arbitrary described automatic moving type tunnel hydraulic support of claim 1-4; It is characterized in that: be provided with the polylith first radially gusset (104) and the first axial gusset (105) in the said back timber (1), be provided with the polylith second radially gusset (204) and the second axial gusset (205) in the said base (2).
6. automatic moving type tunnel hydraulic support according to claim 5; It is characterized in that: the two ends of said scalable hydraulic vertical prop (3) are spherical structure; Also be provided with cap (8) in the back timber (1); Said cap (8) is fixed in the back timber (1), and cap (8) center is provided with first groove (801) that is suitable for holding scalable hydraulic vertical prop (3) end face, is provided with needling (11) in the said base (2); Said needling (11) is fixed in the base (2), and needling (11) center is provided with second groove (111) that is suitable for holding scalable hydraulic vertical prop (3) end face.
7. automatic moving type tunnel hydraulic support according to claim 6; It is characterized in that: the lower surface of said cap (8) is fixedly connected with floor (10); Said floor (10) is provided with the third through-hole (110) that is suitable for bearing pin and passes; Scalable hydraulic vertical prop (3) is provided with near the termination of back timber (1) and is suitable for first through hole (302) that bearing pin passes; The axis normal of the axis of said third through-hole (110) and first through hole (302), this automatic moving type tunnel hydraulic support also is provided with two arc grooves (9), and said arc groove (9) is suitable for holding the bearing pin that passes first through hole (302); The bottom of said arc groove (9) also is provided with second through hole (901), and said second through hole (901) is coaxial with third through-hole (110).
8. automatic moving type tunnel hydraulic support according to claim 6; It is characterized in that: also be provided with a T-shape pressing plate (12) and pressing plate ear (13); Said T-shape pressing plate (12) comprises transverse part (121) and vertical part (122); Said scalable hydraulic vertical prop (3) is provided with two holddown grooves (301) near the outer wall of base (2) one ends; Said holddown groove (301) is suitable for vertical part (122) and inserts, and said pressing plate ear (13) comprises connecting portion (131) and constriction (132), and said connecting portion (131) is fixed therein one second radially on the gusset (204); One end of said transverse part (121) is inserted in the constriction (132) of pressing plate ear (13), and the other end of transverse part (121) is fixedly connected on another second radially on the gusset (204).
9. automatic moving type tunnel hydraulic support according to claim 5; It is characterized in that: also be provided with extending beam (14) on said back timber (1) axis direction; Each extending beam (14) one end is hinged on first upper end of side plate (103) radially; Said extending beam (14) lower end edge vertical is provided with starting stave (15), and said first axial gusset (105) the lower end edge vertical is provided with second riser (16), and said starting stave (15) is connected with second riser (16) through second telescopic oil cylinder (17).
10. automatic moving type tunnel hydraulic support according to claim 1 is characterized in that: said base (2) both ends are the sled type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201093033U CN202483602U (en) | 2012-03-21 | 2012-03-21 | Self-moving roadway hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201093033U CN202483602U (en) | 2012-03-21 | 2012-03-21 | Self-moving roadway hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483602U true CN202483602U (en) | 2012-10-10 |
Family
ID=46958029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201093033U Withdrawn - After Issue CN202483602U (en) | 2012-03-21 | 2012-03-21 | Self-moving roadway hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483602U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587948A (en) * | 2012-03-21 | 2012-07-18 | 淮南市朝和机电有限公司 | Self-propelled hydraulic roadway support |
| CN103032091A (en) * | 2012-12-26 | 2013-04-10 | 内蒙古北方重工业集团有限公司 | Self-moving hydraulic support |
| CN107143363A (en) * | 2017-07-17 | 2017-09-08 | 平顶山平煤机煤矿机械装备有限公司 | A kind of lateral arrangement air way advance timbering group of firm support |
| CN109209454A (en) * | 2018-10-26 | 2019-01-15 | 三重型装备有限公司 | Hydraulic support column pressing plate fixed mechanism and hydraulic support |
-
2012
- 2012-03-21 CN CN2012201093033U patent/CN202483602U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587948A (en) * | 2012-03-21 | 2012-07-18 | 淮南市朝和机电有限公司 | Self-propelled hydraulic roadway support |
| CN102587948B (en) * | 2012-03-21 | 2014-09-10 | 淮南市朝和机电有限公司 | Self-propelled hydraulic roadway support |
| CN103032091A (en) * | 2012-12-26 | 2013-04-10 | 内蒙古北方重工业集团有限公司 | Self-moving hydraulic support |
| CN107143363A (en) * | 2017-07-17 | 2017-09-08 | 平顶山平煤机煤矿机械装备有限公司 | A kind of lateral arrangement air way advance timbering group of firm support |
| CN107143363B (en) * | 2017-07-17 | 2023-03-28 | 平顶山平煤机煤矿机械装备有限公司 | Transversely-arranged air duct advanced support group for stable support |
| CN109209454A (en) * | 2018-10-26 | 2019-01-15 | 三重型装备有限公司 | Hydraulic support column pressing plate fixed mechanism and hydraulic support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102587948B (en) | Self-propelled hydraulic roadway support | |
| CN202483602U (en) | Self-moving roadway hydraulic support | |
| CN103758543B (en) | Foreset device | |
| CN103485801B (en) | For the roadway support device of workings subject to dy namic pressure and gob side entry retaining | |
| CN105067797A (en) | Similarity simulation experiment table for coal and rock roadway and assembling method for similarity simulation experiment table | |
| CN102094664B (en) | Hydraulic bracket for end of comprehensive mechanized filling coal face | |
| CN201090230Y (en) | Fission top beam flexible support | |
| CN103993898A (en) | Circulating tunneling immediate support device and method | |
| CN208380616U (en) | Self-balancing forepoling hydraulic support | |
| CN202544886U (en) | Self-moving type tunnel advance support bracket | |
| CN201486582U (en) | Flexible support | |
| CN203412606U (en) | Spider type hydraulic bracket in parallel working of coal mining and filling | |
| CN101270668A (en) | Bracket especially for retracement of fully-mechanized mining surface | |
| CN202220614U (en) | Integrated self-shift hydraulic support for placing top coal in steeply inclined roadway | |
| CN103306696A (en) | Self-moving roadway advance support bracket | |
| CN202628152U (en) | Lower end hydraulic support for high-inclination-angle and high-dipping fully mechanized mining surface | |
| CN201209457Y (en) | Oblique top tunnel advanced support transversal moving forward support | |
| CN203702212U (en) | Suspension top beam hydraulic supporting device for shed roadway | |
| CN201391323Y (en) | Light hydraulic supporter | |
| CN203230451U (en) | Hydraulic support for mining working surface roadway | |
| CN201934115U (en) | Ultra-large mining height hydraulic support | |
| CN201265425Y (en) | Mining advanced stand | |
| CN201363155Y (en) | Mine single oscillating bar breaking coal hydraulic support | |
| CN203374294U (en) | Safety walking ladder of large dip angle hydraulic support | |
| CN203702189U (en) | Temporary forepoling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121010 Effective date of abandoning: 20140910 |
|
| RGAV | Abandon patent right to avoid regrant |