CN105545335A - Support-shield-type cross-slip temporary support bracket and support method thereof - Google Patents
Support-shield-type cross-slip temporary support bracket and support method thereof Download PDFInfo
- Publication number
- CN105545335A CN105545335A CN201610128064.9A CN201610128064A CN105545335A CN 105545335 A CN105545335 A CN 105545335A CN 201610128064 A CN201610128064 A CN 201610128064A CN 105545335 A CN105545335 A CN 105545335A
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- group
- frame
- side arm
- interior
- support
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000008093 supporting effect Effects 0.000 claims abstract description 11
- 230000017105 transposition Effects 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine 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
- E21D23/0017—Pile type supports
- E21D23/0021—Pile type supports comprising two walking elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0095—Temporary supports at the driving front
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
- E21D23/20—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms for sequential movement, e.g. one behind the other
Landscapes
- 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a support-shield-type cross-slip temporary support bracket and a support method thereof. The temporary bracket comprises two four-column bracket bodies with the same structure and a hydraulic system; the four-column bracket bodies are arranged front and back, push-pull oil cylinders are arranged between bottom beams of the front bracket body and bottom beams of the back bracket body, and then a front-pull back-push combined bracket body is formed; cross beams are provided with at least two pairs of jacks, each pair of the jacks are provided with short cross beams, and each short cross beam can rise and fall alone to achieve supporting on partial top plates. When temporary support on an excavation roadway is performed, one group serves as an external group, the other group serves as an internal group, the width of the internal group is smaller than that of the external group, the internal group can enter the external group and penetrate through the external group, therefore, the external group and the internal group achieve transposition and independently move, and the purposes that the temporary support bracket moves flexibly in actual application and can be supported on most of the top plates when the exploded top plates are not flat or the top plates are not a complete plane are achieved.
Description
Technical field
The present invention relates to roadway head temporary lining technology.
Background technology
At present, the temporary lining form that down-hole driving face adopts has the forms such as " post of attaching the names of pre-determined candidates " supporting, front canopy support and temporary shoring bracket.Adopt temporary shoring bracket with the immediate technology of the present invention.Chinese patent 201310022580.X discloses a kind of driving face automatic moving type temporary lining hydraulic support and supporting method thereof, and it comprises the side arm of a four-column type, the after-frame of a four-column type and hydraulic system; Side arm and after-frame are all made up of the back timber of two longitudinal directions, the bottom girder of two longitudinal directions and four retractility columns, the upper frame that many crossbeams form roof supporting is provided with above two rnnning bars, four-column type side arm and after-frame nest together, and form a drawing and pulling type Combined shelf body; By hydraulic system, side arm and after-frame can be elevated and can pull mutually, realize hydraulic support and move forward with work plane.The deficiency of this technology is, 1, because four-column type side arm and after-frame nest together, be subject to distortion in actual applications, cause pull dumb, move forward difficulty, 2, be an integrated member due to upper frame, can only integral elevating, when the top board out-of-flatness of explosion or when top board is not complete plane, can only be supported on several points of lowest part, cause large portion top board unsettled.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, propose a kind of support shield type and to interlock slippage temporary shoring bracket.
The present invention proposes the temporary lining method utilizing this support at roadway head simultaneously.
A kind of support shield type interlocks slippage temporary shoring bracket, comprises two identical four-column type support bodys of structure and hydraulic system; The three-dimensional support body that four-column type support body is made up of bottom girder and four telescopic posts of the back timber of two longitudinal directions, many crossbeams, two longitudinal directions, is characterized in that:
Arrange before and after two four-column type support bodys, be called front frame body and back frame body, between front frame body and the bottom girder of back frame body, be provided with push cylinder, form one and pull in front and others push behind formula Combined shelf body; By hydraulic system, two four-column type support bodys can be elevated and can push-and-pull mutually, realize Combined shelf body and move forward with the advance of the face;
Described crossbeam is also provided with at least two pairs of jack, and often pair of jack is provided with tail trimmer, and every root tail trimmer can be elevated separately, realizes supporting to local top board.
The temporary lining method of this support to roadway head is utilized to be:
The first step, layout initial position
Arrange two groups of falseworks at digging laneway work plane, wherein one group is outer group, and one group is Inner group, Inner group is than outer group of little certain size on width, and Inner group can to enter in outer group and to pass from outer group, makes outer group and Inner group transposition, outer group at front, interior group rear, arrange near work on hand face, their side arm and after-frame are all in contraction state, all tail trimmer roof supportings, under temporary lining, blow out above, discharge refuse, normally tunnel, after carry out permanent support;
Second step, interior group to reach frame
After discharge refuse of blowing out above completes a drilling depth, permanent support also completes below, should immediately by interior group to reach frame, support the sky top after blowing out;
First is moved frame process:
1, top board is left in contracting under the side arm tail trimmer of interior group, then, frame falls in the side arm of group, falls below beam height that frame height organizes outside;
2, in after falling frame, the push cylinder of group is stretched out, and moves up in the after-frame of outer group before promoting side arm;
3, then interior group side arm rises frame, and regulates jack to make tail trimmer be supported on top board;
4, frame falls in the after-frame of interior group, and in after falling frame, the push cylinder of group is retracted, and pulls after-frame to move forward, and near side arm, now, completes first to reach frame process;
Second is moved frame process:
1, the after-frame of interior group is risen frame, and regulate jack to make tail trimmer be supported on top board, top board is left in contracting under the side arm tail trimmer of interior group, then, frame falls in the side arm of group, falls below beam height that frame height organizes outside;
2, in operation, the push cylinder of group is stretched out, and moves up in the side arm of outer group before promoting side arm;
3, then interior group side arm rises frame, and regulates jack to make;
4, frame falls in the after-frame of interior group, and in after falling frame, the push cylinder of group is retracted, and pulls after-frame to move forward near side arm, makes interior group and outer group of coincidence; Now, second is completed to reach frame process;
3rd is moved frame process:
1, top board is left in contracting under the side arm tail trimmer of interior group, after-frame tail trimmer is supported on top board;
2, in operation, the push cylinder of group is stretched out, and promotes side arm and is advanced to before outer group of side arm, and the work plane after blow out, and then, group side arm rises frame, and on sky top after regulating jack to make tail trimmer be supported on explosion, interior group of after-frame overlaps with outer group of side arm; Now, the 3rd is completed to reach frame process; Under temporary lining, again to blow out, discharge refuse, normally tunnel;
4th is moved frame process:
After having tunneled a drilling depth, should immediately by interior group to reach frame, support the sky top after again blowing out;
Interior group to reach frame process with the 3rd to move frame process identical, make interior group of side arm move to the work plane after again blowing out, organize side arm then and rise frame, and regulate jack to make tail trimmer be supported on top board; In operation, the push cylinder of group is retracted again, pulls interior group of after-frame to be advanced to before outer group of side arm, and regulates jack that tail trimmer is supported on top board, thus make interior group at front, outer group rear;
3rd step, outer group to reach frame
Continue driving to blow out, often tunnel a drilling depth, make outer group to reach frame according to second step, move outrigger in frame process and pass through outside internal frame, until return to the initial position of the first step;
4th step, so circulates, until whole piece tunnelling is complete.
Good effect of the present invention is, 1, because interior group is not mutually nested with outer group, respective independent mobile, be not easy distortion in actual applications, mobile flexibly, 2, because upper frame is provided with telescopic more piece short beam, can be elevated separately, when the top board out-of-flatness of explosion or when top board is not complete plane, can be supported on most of top board.
Accompanying drawing explanation
Fig. 1 is that support shield type interlocks the front view of slippage falsework;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is interior group and outer group of initial position arrangement diagram;
Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 are interior group and move frame procedure chart;
Figure 10 is interior group and moves in after frame group at front, outer group at rear arrangement diagram.
Marginal data, 1-bottom girder; 2-column; 3-back timber; 4-jack; 5-tail trimmer; 6-push cylinder; 7-crossbeam.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2, Figure 3 shows, support shield type of the present invention interlocks slippage temporary shoring bracket, comprises two identical four-column type support bodys of structure and hydraulic system; The three-dimensional support body that four-column type support body is made up of bottom girder 1 and four telescopic posts 2 of the back timber 3 of two longitudinal directions, many crossbeams 7, two longitudinal directions; Wherein:
Arrange before and after two four-column type support bodys, be called front frame body and back frame body, between the bottom girder 1 of front frame body and back frame body, be provided with push cylinder 6, form one and pull in front and others push behind formula Combined shelf body; By hydraulic system, two four-column type support bodys can be elevated and can push-and-pull mutually, realize Combined shelf body and move forward with the advance of the face;
Described crossbeam 7 is also provided with at least two pairs of jack 4, and often pair of jack 4 is provided with tail trimmer 5, and every root tail trimmer 5 can be elevated separately, realizes supporting to local top board.
This support is utilized in the temporary lining method of roadway head to be:
The first step, layout initial position
Arrange two groups of falseworks at digging laneway work plane, wherein one group is outer group, and one group is Inner group, Inner group is than outer group of little certain size on width, and Inner group can to enter in outer group and to pass from outer group, makes outer group and Inner group transposition, during layout outer group at front, interior group rear, arrange near work on hand face, their side arm and after-frame are all in contraction state, all tail trimmer 5 roof supportings, under temporary lining, blow out above, discharge refuse, normally tunnel, after carry out permanent support; As shown in Figure 4;
Second step, interior group to reach frame
After discharge refuse of blowing out above completes a drilling depth, permanent support also completes below, should immediately by interior group to reach frame, support the sky top after blowing out;
First is moved frame process:
1, top board is left in side arm tail trimmer 5 times contractings of interior group, then, frame falls in the side arm of group, falls below crossbeam 7 height that frame height organizes outside (as shown in Figure 5);
2, in after falling frame, the push cylinder 6 of group is stretched out, and moves up into (as shown in Figure 6) in the after-frame of outer group before promoting side arm;
3, then interior group side arm rises frame, and regulates jack 4 to make tail trimmer 5 be supported on (as shown in Figure 7) on top board;
4, frame falls in the after-frame of interior group, and in after falling frame, the push cylinder 6 of group is retracted, and pulls after-frame to move forward, near side arm, as shown in Figure 8); Now, first is completed to reach frame process;
Second is moved frame process:
1, the after-frame of interior group is risen frame, and regulate jack 4 to make tail trimmer 5 be supported on top board, top board is left in side arm tail trimmer 5 times contractings of interior group, then, frame falls in the side arm of group, falls below crossbeam 7 height that frame height organizes outside;
2, in operation, the push cylinder 6 of group is stretched out, and moves up in the side arm of outer group before promoting side arm;
3, then interior group side arm rises frame, and regulates jack 4 to make tail trimmer 5 be supported on top board;
4, frame falls in the after-frame of interior group, and in after falling frame, the push cylinder 6 of group is retracted, and pulls after-frame to move forward near side arm, makes interior group and outer group of coincidence; Now, second is completed to reach frame process;
3rd is moved frame process:
1, top board is left in side arm tail trimmer 5 times contractings of interior group, after-frame tail trimmer 5 is supported on top board;
2, in operation, the push cylinder 6 of group is stretched out, and promotes side arm and is advanced to before outer group of side arm, and the work plane after blow out, and then, group side arm rises frame, and on sky top after regulating jack 4 to make tail trimmer 5 be supported on explosion, interior group of after-frame overlaps with outer group of side arm; Now, the 3rd is completed to reach frame process; Under temporary lining, again to blow out, discharge refuse, normally tunnel; (as shown in Figure 9);
4th is moved frame process:
After having tunneled a drilling depth, should immediately by interior group to reach frame, support the sky top after again blowing out; Interior group to reach frame process with the 3rd to move frame process identical, make interior group of side arm move to the work plane after again blowing out, organize side arm then and rise frame, and regulate jack 4 to make tail trimmer 5 be supported on top board; In operation, the push cylinder 6 of group is retracted again, pulls interior group of after-frame to be advanced to before outer group of side arm, and regulates jack 4 to make tail trimmer 5 be supported on top board; Thus make interior group at front, outer group in rear (as shown in Figure 10);
3rd step, outer group to reach frame
Continue driving to blow out, often tunnel a drilling depth, make outer group to reach frame according to second step, move frame process outrigger and pass through outside internal frame, until return to the initial position of the first step, (as shown in Figure 4);
4th step, so circulates, until whole piece tunnelling is complete.
Claims (2)
1. support shield type interlocks a slippage temporary shoring bracket, comprises two identical four-column type support bodys of structure and hydraulic system; The three-dimensional support body that four-column type support body is made up of bottom girder and four telescopic posts of the back timber of two longitudinal directions, many crossbeams, two longitudinal directions, is characterized in that:
Arrange before and after two four-column type support bodys, be called front frame body and back frame body, between front frame body and the bottom girder of back frame body, be provided with push cylinder, form one and pull in front and others push behind formula Combined shelf body; By hydraulic system, two four-column type support bodys can be elevated and can push-and-pull mutually, realize Combined shelf body and move forward with the advance of the face;
Described crossbeam is also provided with at least two pairs of jack, and often pair of jack is provided with tail trimmer, and every root tail trimmer can be elevated separately, realizes supporting to local top board.
2. utilize the temporary shoring bracket described in claim 1 to a temporary lining method for roadway head, it is characterized in that:
The first step, layout initial position
Arrange two groups of falseworks at digging laneway work plane, wherein one group is outer group, and one group is Inner group, Inner group is than outer group of little certain size on width, and Inner group can to enter in outer group and to pass from outer group, makes outer group and Inner group transposition, outer group at front, interior group rear, arrange near work on hand face, their side arm and after-frame are all in contraction state, all tail trimmer roof supportings, under temporary lining, blow out above, discharge refuse, normally tunnel, after carry out permanent support;
Second step, interior group to reach frame
After discharge refuse of blowing out above completes a drilling depth, permanent support also completes below, should immediately by interior group to reach frame, support the sky top after blowing out;
First is moved frame process:
1, top board is left in contracting under the side arm tail trimmer of interior group, then, frame falls in the side arm of group, falls below beam height that frame height organizes outside;
2, in after falling frame, the push cylinder of group is stretched out, and moves up in the after-frame of outer group before promoting side arm;
3, then interior group side arm rises frame, and regulates jack to make tail trimmer be supported on top board;
4, frame falls in the after-frame of interior group, and in after falling frame, the push cylinder of group is retracted, and pulls after-frame to move forward, and near side arm, now, completes first to reach frame process;
Second is moved frame process:
1, the after-frame of interior group is risen frame, and regulate jack to make tail trimmer be supported on top board, top board is left in contracting under the side arm tail trimmer of interior group, then, frame falls in the side arm of group, falls below beam height that frame height organizes outside;
2, in operation, the push cylinder of group is stretched out, and moves up in the side arm of outer group before promoting side arm;
3, then interior group side arm rises frame, and regulates jack to make;
4, frame falls in the after-frame of interior group, and in after falling frame, the push cylinder of group is retracted, and pulls after-frame to move forward near side arm, makes interior group and outer group of coincidence; Now, second is completed to reach frame process;
3rd is moved frame process:
1, top board is left in contracting under the side arm tail trimmer of interior group, after-frame tail trimmer is supported on top board;
2, in operation, the push cylinder of group is stretched out, and promotes side arm and is advanced to before outer group of side arm, and the work plane after blow out, and then, group side arm rises frame, and on sky top after regulating jack to make tail trimmer be supported on explosion, interior group of after-frame overlaps with outer group of side arm; Now, the 3rd is completed to reach frame process; Under temporary lining, again to blow out, discharge refuse, normally tunnel;
4th is moved frame process:
After having tunneled a drilling depth, should immediately by interior group to reach frame, support the sky top after again blowing out;
Interior group to reach frame process with the 3rd to move frame process identical, make interior group of side arm move to the work plane after again blowing out, organize side arm then and rise frame, and regulate jack to make tail trimmer be supported on top board; In operation, the push cylinder of group is retracted again, pulls interior group of after-frame to be advanced to before outer group of side arm, and regulates jack that tail trimmer is supported on top board, thus make interior group at front, outer group rear;
3rd step, outer group to reach frame
Continue driving to blow out, often tunnel a drilling depth, make outer group to reach frame according to second step, move outrigger in frame process and pass through outside internal frame, until return to the initial position of the first step;
4th step, so circulates, until whole piece tunnelling is complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128064.9A CN105545335B (en) | 2016-03-07 | 2016-03-07 | Support shield type staggeredly slides temporary shoring bracket and its method for protecting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128064.9A CN105545335B (en) | 2016-03-07 | 2016-03-07 | Support shield type staggeredly slides temporary shoring bracket and its method for protecting support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545335A true CN105545335A (en) | 2016-05-04 |
| CN105545335B CN105545335B (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610128064.9A Active CN105545335B (en) | 2016-03-07 | 2016-03-07 | Support shield type staggeredly slides temporary shoring bracket and its method for protecting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545335B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302695A (en) * | 2020-10-22 | 2021-02-02 | 中电建南方建设投资有限公司 | Temporary supporting method for mine excavation |
| CN113882889A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
| CN114233358A (en) * | 2021-12-29 | 2022-03-25 | 安阳永安贺驼煤矿有限公司 | Bag type filling support device for top of stoping roadway |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368369A (en) * | 1993-03-23 | 1994-11-29 | Council Of Scientific & Industrial Research | Equipment useful for winning ores particularly coal in longwall mining |
| CN202628150U (en) * | 2012-05-31 | 2012-12-26 | 山西东华机械有限公司 | Self-moving type follow-up end bracket |
| CN102913268A (en) * | 2012-11-16 | 2013-02-06 | 山东矿机集团股份有限公司 | Mobile support bracket of tunneling machine |
| CN202946177U (en) * | 2012-10-25 | 2013-05-22 | 高宇 | Improved hydraulic support used for coal mines |
| CN103306696A (en) * | 2012-03-15 | 2013-09-18 | 陕西火石咀煤矿有限责任公司 | Self-moving roadway advance support bracket |
| 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 |
| CN203756208U (en) * | 2014-03-25 | 2014-08-06 | 山东科技大学 | Top beam telescopic driving working face temporary timbering support |
-
2016
- 2016-03-07 CN CN201610128064.9A patent/CN105545335B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368369A (en) * | 1993-03-23 | 1994-11-29 | Council Of Scientific & Industrial Research | Equipment useful for winning ores particularly coal in longwall mining |
| CN103306696A (en) * | 2012-03-15 | 2013-09-18 | 陕西火石咀煤矿有限责任公司 | Self-moving roadway advance support bracket |
| CN202628150U (en) * | 2012-05-31 | 2012-12-26 | 山西东华机械有限公司 | Self-moving type follow-up end bracket |
| CN202946177U (en) * | 2012-10-25 | 2013-05-22 | 高宇 | Improved hydraulic support used for coal mines |
| CN102913268A (en) * | 2012-11-16 | 2013-02-06 | 山东矿机集团股份有限公司 | Mobile support bracket of tunneling machine |
| 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 |
| CN203756208U (en) * | 2014-03-25 | 2014-08-06 | 山东科技大学 | Top beam telescopic driving working face temporary timbering support |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302695A (en) * | 2020-10-22 | 2021-02-02 | 中电建南方建设投资有限公司 | Temporary supporting method for mine excavation |
| CN113882889A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
| CN113882889B (en) * | 2021-11-01 | 2024-02-27 | 安徽理工大学 | Head-tail interactive sliding type anchor support integrated equipment and control method |
| CN114233358A (en) * | 2021-12-29 | 2022-03-25 | 安阳永安贺驼煤矿有限公司 | Bag type filling support device for top of stoping roadway |
| CN114233358B (en) * | 2021-12-29 | 2024-04-12 | 安阳永安贺驼煤矿有限公司 | Bag-type filling support device for top of stope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105545335B (en) | 2017-12-26 |
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