CN111706372A - Collapse anchoring hole through hole and anchoring agent positioning and pushing device and operation method - Google Patents
Collapse anchoring hole through hole and anchoring agent positioning and pushing device and operation method Download PDFInfo
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- CN111706372A CN111706372A CN202010705549.6A CN202010705549A CN111706372A CN 111706372 A CN111706372 A CN 111706372A CN 202010705549 A CN202010705549 A CN 202010705549A CN 111706372 A CN111706372 A CN 111706372A
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- 238000004873 anchoring Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- 239000003245 coal Substances 0.000 claims abstract description 18
- 239000011435 rock Substances 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 11
- 230000008093 supporting effect Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model provides an anchor hole through-hole collapses and anchoring agent location pusher and operation method, includes hole passing device and locating support, and broken sleeve one end is equipped with broken pick, and its other end is connected with extension sleeve detachable, and the head and the tail detachable connection in proper order between the extension sleeve, locating support include the cavity sleeve pipe, and the elastic support leg includes the last flexure strip of outside downward sloping, and the free end of going up the flexure strip is connected with down the flexure strip, and lower cavity interpolation has the propelling movement pole subassembly. Firstly, the operation of anchoring holes and through holes, secondly, the positioning and pushing of anchoring agent cartridges, and thirdly, the taking out of a pushing rod and a hole penetrating device. Realize collapsing the hole and block up the reuse in anchor hole, greatly reduce the work load of perforating again, this location pusher simple structure, the processing of being convenient for can solve the problem that soft broken coal rock mass stock (cable) was strutted and exists well, reduce the anchor hole work volume of punching, promote the effect of strutting of soft broken coal rock mass tunnel stock (cable).
Description
Technical Field
The invention relates to the technical field of anchor rod (cable) engineering support, in particular to a positioning and pushing device for a through hole of a collapsed anchoring hole and an anchoring agent and an operation method.
Background
The anchor rod (cable) support is widely applied to the fields of mines, tunnel underground spaces and the like in China by means of the obvious technical advantages of the anchor rod (cable) support. However, due to the complex and diverse geological conditions, the anchor rod (cable) has many problems in the actual engineering construction, particularly the geological condition of the soft crushed coal rock mass has special influence on the application and development of the anchor rod (cable) supporting technology, and the typical geological condition of the soft crushed coal rock mass is uniformly distributed in a plurality of coal mine areas in China. The problem that the anchoring hole is blocked due to hole collapse is one of the common typical problems of anchor rod (cable) support of the laneway of the soft crushed coal rock mass, the soft crushed coal rock mass is low in strength and affected by laneway excavation construction, surrounding rocks at the shallow part of the laneway are seriously crushed, when the anchoring hole is drilled, the problem that the anchoring hole is blocked due to hole wall collapse is easily caused, in particular, the problem is easily caused in the middle and lower part area of the anchoring hole, once the problem of the blocking of the anchoring hole is caused, the whole anchoring hole is abandoned due to the fact that the anchoring agent cartridges lack firm connection and the packaging bags are easy to break, normal anchor rod (cable) anchoring construction cannot be carried out frequently through a local hole wall collapse area, the whole anchoring hole is abandoned due to the small-part area blocking of the anchoring hole, not only is the previous construction result wasted, but also new workload is greatly increased, and simultaneously, the problem also affects the initially designed anchor, thereby affecting the overall supporting effect of the roadway. Therefore to above-mentioned problem, need a simple structure, be convenient for processing, convenient operation's device to solve above-mentioned problem urgently, further reduce extra construction volume, promote the effect of strutting of stock (cable) to soft broken coal rock mass tunnel.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention aims to provide a collapse anchoring hole through hole and anchoring agent positioning and pushing device and an operation method, which solve the problem that the anchoring hole is abandoned due to the fact that the anchoring hole cannot be normally anchored by an anchor rod (cable) because the hole wall collapses and blocks the anchoring hole, reduce the extra construction amount, and further improve the supporting effect of the anchor rod (cable) on the soft and broken coal and rock roadway.
The solution is that the collapse anchoring hole through hole and anchoring agent positioning and pushing device comprises a hole penetrating device and a positioning bracket, the hole puncher comprises a crushing sleeve and a plurality of lengthened sleeves, one end of the crushing sleeve is provided with a crushing pick, the other end is detachably connected with the lengthened sleeves which are sequentially detachably connected end to end, the positioning bracket comprises a hollow sleeve and a separation sheet, the separation sheet is arranged in the cavity of the hollow sleeve to divide the hollow sleeve into an upper cavity and a lower cavity, 3 elastic support legs are uniformly distributed and fixed on the hollow sleeve in the circumferential direction, each elastic support leg comprises an upper elastic sheet which inclines outwards and downwards, the free end of each upper elastic sheet is connected with a lower elastic sheet, the rotation diameter of each lower elastic sheet is larger than that of each anchoring hole, the lower cavity is internally inserted with a push rod assembly, and the push rod assembly comprises a plurality of push rods which are sequentially detachably connected end to end.
Preferably, one end of the crushing sleeve, which is far away from the crushing cutting tooth, is provided with a first external thread, one end of the lengthening sleeve is provided with a first internal thread matched with the external thread of the crushing sleeve, and the other end of the lengthening sleeve is provided with a second external thread matched with the first internal thread.
Preferably, the through hole device further comprises a rotating handle, a second internal thread matched with the second external thread is arranged on the rotating handle, and the rotating handle is installed on the lengthened sleeve which is farthest away from the crushing sleeve through a thread structure.
Preferably, the one end of push rod is equipped with the third internal thread, and its other end is equipped with the third external screw thread, realizes connecting end to end in proper order through third external screw thread and third internal thread between the catch bar.
The length of extension sleeve is 1 meter, the length of propelling movement pole is 1 meter.
A collapse anchoring hole through hole and anchoring agent positioning and pushing operation method is characterized in that firstly, an anchoring hole through hole is operated, a crushing sleeve of a hole puncher is inserted into a collapse blocked anchoring hole, a lengthening sleeve is rotated to drive a crushing cutting tooth to rotate, the blocked coal rock block is crushed and removed, the blocked anchoring hole is dredged, and a hole puncher is not taken out and is used for supporting the wall of the anchoring hole;
secondly, positioning and pushing the anchoring agent cartridges, sequentially placing a plurality of cartridges of the anchoring agent cartridges into the lengthened sleeve, placing the bottom of the last cartridge of the anchoring agent cartridge into the upper cavity of the hollow sleeve, and pushing the anchoring agent cartridges to the bottom of the anchoring hole by using a pushing rod to push the hollow sleeve;
thirdly, taking out the pushing rod and the hole penetrating device, wherein the operation process is divided into two conditions, namely, in the first condition, the anchoring agent cartridge reaches the bottom of the anchoring hole, the positioning support penetrates through the crushing sleeve, namely, the positioning support is directly supported on the wall of the anchoring hole, the anchoring agent cartridge is fixed, the pushing rod can be pulled out one by one, and then the lengthened sleeve and the crushing sleeve are taken out one by one; in the second situation, when the anchoring agent cartridge reaches the bottom of the anchoring hole, the positioning support does not completely penetrate through or penetrate through the crushing sleeve, namely the anchoring agent positioning support is still supported on the wall of the crushing sleeve or the lengthening sleeve, the push rod needs to be continuously pushed against the positioning support, then the lengthening sleeve and the crushing sleeve are integrally pulled out downwards, and the lengthening sleeve completely exposed out of the anchoring hole is taken down until the positioning support is no longer supported on the wall of the crushing sleeve or the lengthening sleeve, and then the operation can be carried out according to the first situation;
and fourthly, after all the push rods, the lengthened sleeves and the broken sleeves are taken out, inserting the anchor rods (cables) into the anchoring holes, moving towards the bottoms of the anchoring holes under the driving of the anchor rod drilling machine, and stirring the anchoring agent cartridges fixed in the holes to finish the anchoring construction of the anchor rods (cables).
The invention has the beneficial effects that: realize collapsing the hole and block up the reuse in anchor hole, greatly reduce the work load of perforating again, guaranteed the normal construction of tunnel design support parameter, this location pusher simple structure, the characteristics such as processing of being convenient for, low cost, convenient operation can solve the problem that soft broken coal rock mass stock (cable) was strutted and exists well, reduce anchor hole operation engineering volume of perforating, promote the effect of strutting of soft broken coal rock mass tunnel stock (cable).
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the perforator of the present invention.
FIG. 3 is a schematic view of a positioning bracket according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1 to 3, the collapse anchoring hole through hole and anchoring agent positioning and pushing device comprises a through hole device and a positioning support, and is characterized in that the through hole device comprises a crushing sleeve 1 and a plurality of lengthened sleeves 2, one end of the crushing sleeve 1 is provided with a crushing pick 3, the other end of the crushing sleeve is detachably connected with the lengthened sleeves 2, the lengthened sleeves 2 are sequentially and detachably connected end to end, the positioning support comprises a hollow sleeve 4 and a partition plate 5, the partition plate 5 is arranged in a cavity of the hollow sleeve 4 to divide the cavity into an upper cavity and a lower cavity, 3 elastic support legs 6 are uniformly distributed and fixed on the hollow sleeve 4 in the circumferential direction, the elastic support legs 6 comprise upper elastic sheets 601 which incline outwards and downwards, the free ends of the upper elastic sheets 601 are connected with lower elastic sheets 602, the gyration diameter of the lower elastic sheets 602 is larger than that of the anchoring hole 9, and pushing rod assemblies are inserted in the lower cavity, the push rod component comprises a plurality of push rods 7 which are sequentially detachably connected end to end. The anchoring device is suitable for anchoring holes which are easy to collapse on a roadway roof, an upper cavity of a hollow sleeve 4 is used for placing anchoring agent cartridges 8, a lower elastic sheet 602 is parallel to the axis of the hollow sleeve 4, the rotation diameter of the lower elastic sheet 602 is larger than the diameter of an anchoring hole 9, so that an elastic support leg 6 can be supported on the wall of the rough anchoring hole 9 to prevent the anchoring agent cartridges 8 from falling off, the anchoring agent cartridges 8 are fixed in the anchoring holes 9 so as to be anchored by anchor rods (cables) in the following process, under the action of the elastic support leg 6, a positioning support 2 props against the anchoring agent cartridges 8, and when a push rod 7 pushes the anchoring agent positioning support 2, the anchoring agent positioning support 2 can only move in a one-way direction towards the bottom of the anchoring hole 9 in the crushing sleeve 1, the lengthening sleeve 2 and the anchoring hole 9. Broken pick 3 is broken the coal petrography piece that blocks up anchor hole 9 to drop in from broken sleeve 1 and the extension sleeve 2, the specific use quantity of extension sleeve 2 is confirmed according to the 11 degree of depth in pore wall collapse area, and broken pick 3 stretches into more than the pore wall collapse area 11.
One end of the crushing sleeve 1, which deviates from the crushing cutting tooth 3, is provided with a first external thread, one end of the lengthening sleeve 2 is provided with a first internal thread matched with the external thread of the crushing sleeve 1, and the other end of the lengthening sleeve is provided with a second external thread matched with the first internal thread. The crushing sleeve 1 is connected with the lengthening sleeves 2 through threads, and the lengthening sleeves 2 are detachably connected through threads.
The perforator further comprises a rotating handle 10, a second internal thread matched with the second external thread is arranged on the rotating handle 10, and the rotating handle 10 is installed on the lengthened sleeve 2 which is farthest away from the crushing sleeve 1 through a thread structure. The crushing pick 3 at the upper end of the crushing sleeve 1 is driven to rotate by rotating the rotating handle 10, so that the loose coal rock blocks blocked in the anchoring holes 9 are crushed, and the anchoring holes 9 are smooth.
One end of the pushing rod 7 is provided with a third internal thread, the other end of the pushing rod is provided with a third external thread, and the pushing rods are sequentially connected end to end through the third external thread and the third internal thread. The plurality of pushing rods 7 are connected in sequence in a threaded connection mode.
The length of the lengthened sleeve 2 is 1 meter, and the length of the push rod 7 is 1 meter. The drilling depth and the installation and disassembly operation can be conveniently recorded.
A collapse anchoring hole through hole and anchoring agent positioning and pushing operation method is characterized in that firstly, an anchoring hole 9 is subjected to hole passing operation, a crushing sleeve 1 of a hole passing device is inserted into a collapse blocked anchoring hole 9, a lengthening sleeve 2 is rotated to drive a crushing pick 3 to rotate, the blocked coal rock block is crushed and removed, the blocked anchoring hole 9 is dredged, and the hole passing device is not taken out and is used for supporting the wall of the anchoring hole 9;
secondly, positioning and pushing the anchoring agent cartridges 8, sequentially placing a plurality of anchoring agent cartridges 8 into the lengthened sleeve 2, placing the bottom of the last anchoring agent cartridge 8 into the upper cavity of the hollow sleeve 4, and pushing the anchoring agent cartridges 8 to the bottoms of the anchoring holes 9 by pushing the hollow sleeve 4 by using the pushing rod 7;
thirdly, taking out the pushing rod 7 and the hole penetrating device, wherein the operation process is divided into two conditions, namely, in the first condition, the anchoring agent cartridge 8 reaches the bottom of the anchoring hole 9, the positioning bracket penetrates through the crushing sleeve 1, namely, the positioning bracket is directly supported on the wall of the anchoring hole 9, the anchoring agent cartridge 8 is fixed, the pushing rod 7 can be pulled out one by one, and then the lengthened sleeve 2 and the crushing sleeve 1 are taken out one by one; in the second situation, when the anchoring agent cartridge 8 reaches the bottom of the anchoring hole 9, the positioning bracket does not completely penetrate through the crushing sleeve 1 or does not penetrate through the crushing sleeve 1, namely the positioning bracket 2 is still supported on the wall of the crushing sleeve 1 or the lengthening sleeve 2, the push rod 7 needs to be continuously pushed against the positioning bracket, then the lengthening sleeve 2 and the crushing sleeve 1 are integrally pulled out downwards, and the lengthening sleeve 2 which is completely exposed out of the anchoring hole is taken down until the positioning bracket is no longer supported on the wall of the crushing sleeve 1 or the lengthening sleeve 2, and then the operation can be carried out according to the first situation;
and fourthly, after all the push rods 7, the lengthened sleeves 2 and the crushing sleeves 1 are taken out, inserting the anchor rods (cables) into the anchoring holes 9, driving the anchor rods (cables) to move towards the bottoms of the anchoring holes 9 under the driving of an anchor rod drilling machine, and stirring the anchoring agent cartridges 8 fixed in the holes to complete anchoring construction of the anchor rods (cables).
The invention has the beneficial effects that: realize collapsing the hole and block up the reuse in anchor hole, greatly reduce the work load of perforating again, guaranteed the normal construction of tunnel design support parameter, this location pusher simple structure, the characteristics such as processing of being convenient for, low cost, convenient operation can solve the problem that soft broken coal rock mass stock (cable) was strutted and exists well, reduce anchor hole operation engineering volume of perforating, promote the effect of strutting of soft broken coal rock mass tunnel stock (cable).
The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.
Claims (5)
1. The positioning and pushing device for the collapsed anchoring hole through hole and the anchoring agent comprises a hole penetrating device and a positioning support, and is characterized in that the hole penetrating device comprises a crushing sleeve (1) and a plurality of lengthened sleeves (2), one end of the crushing sleeve (1) is provided with a crushing cutting pick (3), the other end of the crushing sleeve is detachably connected with the lengthened sleeves (2), the lengthened sleeves (2) are sequentially detachably connected end to end, the positioning support comprises a hollow sleeve (4) and a partition sheet (5), the partition sheet (5) is arranged in a cavity of the hollow sleeve (4) and divides the cavity into an upper cavity and a lower cavity, 3 elastic support legs (6) are uniformly distributed and fixed in the circumferential direction of the hollow sleeve (4), each elastic support leg (6) comprises an upper elastic sheet (601) which inclines downwards outwards, the free end of each upper elastic sheet (601) is connected with a lower elastic sheet (602), the diameter of gyration of lower flexure strip (602) is greater than the diameter of anchor hole (9), cavity interpolation has the propelling movement pole subassembly down, and the propelling movement pole subassembly includes that a plurality of head and the tail can dismantle propelling movement pole (7) of connection in proper order.
2. The collapse anchoring hole through hole and anchoring agent positioning and pushing device as claimed in claim 1, wherein one end of the crushing sleeve (1) facing away from the crushing pick (3) is provided with a first external thread, one end of the lengthening sleeve (2) is provided with a first internal thread matching the external thread of the crushing sleeve (1), and the other end is provided with a second external thread matching the first internal thread.
3. The collapse anchorage hole through hole and anchoring agent positioning and pushing device is characterized in that the hole penetrating device further comprises a rotating handle (10), a second internal thread matched with the second external thread is arranged on the rotating handle (10), and the rotating handle (10) is installed on the lengthening sleeve (2) farthest away from the crushing sleeve (1) through a thread structure.
4. The collapse anchoring hole through hole and anchoring agent positioning and pushing device as claimed in claim 1, wherein a third internal thread is arranged at one end of the pushing rod (7), a third external thread is arranged at the other end of the pushing rod, and the pushing rods are sequentially connected end to end through the third external thread and the third internal thread.
5. The collapse anchoring hole through hole and anchoring agent positioning and pushing device as claimed in claim 1, wherein the length of the lengthening sleeve (2) is 1 meter, and the length of the pushing rod (7) is 1 meter;
a collapse anchoring hole through hole and anchoring agent positioning and pushing operation method is characterized by comprising the following steps of firstly, performing through hole operation on an anchoring hole (9), inserting a crushing sleeve (1) of a hole puncher into the collapse blocked anchoring hole (9), rotating a lengthening sleeve (2) to drive a crushing cutting tooth (3) to rotate, crushing and removing a blocked coal rock block, dredging the blocked anchoring hole (9), and not taking out a hole puncher for supporting the wall of the anchoring hole (9);
secondly, positioning and pushing the anchoring agent cartridges (8), sequentially placing a plurality of anchoring agent cartridges (8) into the lengthened sleeve (2), placing the bottom of the last anchoring agent cartridge (8) into the upper cavity of the hollow sleeve (4), and pushing the anchoring agent cartridges (8) to the bottom of the anchoring holes (9) by using a pushing rod (7) to push the hollow sleeve (4);
thirdly, taking out the pushing rod (7) and the through hole device, wherein the operation process is divided into two conditions, namely, in the first condition, the anchoring agent cartridge (8) reaches the bottom of the anchoring hole (9), the positioning bracket penetrates through the crushing sleeve (1), namely, the positioning bracket is directly supported on the wall of the anchoring hole (9), the anchoring agent cartridge (8) is fixed, the pushing rod (7) can be pulled out one by one, and then the lengthening sleeve (2) and the crushing sleeve (1) are pulled out one by one; in the second situation, after the anchoring agent cartridge (8) reaches the bottom of the anchoring hole (9), the positioning bracket does not completely penetrate through or does not penetrate through the crushing sleeve (1), namely, the anchoring agent positioning bracket (2) is still supported on the wall of the crushing sleeve (1) or the lengthening sleeve (2), the pushing rod (7) needs to be continuously pushed against the positioning bracket, then the lengthening sleeve (2) and the crushing sleeve (1) are integrally pulled out downwards, and the lengthening sleeve (2) completely exposed out of the anchoring hole is taken down until the positioning bracket is no longer supported on the wall of the crushing sleeve (1) or the lengthening sleeve (2), and then the operation can be carried out according to the first situation;
and fourthly, after all the push rods (7), the lengthened sleeve (2) and the crushing sleeve (1) are taken out, inserting the anchor rod into the anchoring hole (9), moving towards the bottom of the anchoring hole (9) under the driving of an anchor rod drilling machine, and stirring the anchoring agent cartridge (8) fixed in the hole to complete the anchoring construction of the anchor rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010705549.6A CN111706372B (en) | 2020-07-21 | 2020-07-21 | Collapse anchoring hole through hole and anchoring agent positioning and pushing device and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010705549.6A CN111706372B (en) | 2020-07-21 | 2020-07-21 | Collapse anchoring hole through hole and anchoring agent positioning and pushing device and operation method |
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| Publication Number | Publication Date |
|---|---|
| CN111706372A true CN111706372A (en) | 2020-09-25 |
| CN111706372B CN111706372B (en) | 2022-01-14 |
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| CN202010705549.6A Active CN111706372B (en) | 2020-07-21 | 2020-07-21 | Collapse anchoring hole through hole and anchoring agent positioning and pushing device and operation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929665A (en) * | 2015-07-02 | 2015-09-23 | 淮南矿业(集团)有限责任公司 | Anchoring agent pushing guide tube and pushing device |
| CN207332781U (en) * | 2017-10-17 | 2018-05-08 | 中铁（贵州）市政工程有限公司 | For broken formation armature boring retaining wall sleeve |
| CN110374651A (en) * | 2019-07-18 | 2019-10-25 | 北京交通大学 | The double group material full length fastening devices of self-drilling type and anchoring construction method |
| CN111156041A (en) * | 2020-02-25 | 2020-05-15 | 山东科技大学 | Method for installing anchor cable through loosening and drilling |
| CN212744036U (en) * | 2020-07-21 | 2021-03-19 | 河南理工大学 | Collapse anchoring hole through hole and anchoring agent positioning and pushing device |
-
2020
- 2020-07-21 CN CN202010705549.6A patent/CN111706372B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929665A (en) * | 2015-07-02 | 2015-09-23 | 淮南矿业(集团)有限责任公司 | Anchoring agent pushing guide tube and pushing device |
| CN207332781U (en) * | 2017-10-17 | 2018-05-08 | 中铁（贵州）市政工程有限公司 | For broken formation armature boring retaining wall sleeve |
| CN110374651A (en) * | 2019-07-18 | 2019-10-25 | 北京交通大学 | The double group material full length fastening devices of self-drilling type and anchoring construction method |
| CN111156041A (en) * | 2020-02-25 | 2020-05-15 | 山东科技大学 | Method for installing anchor cable through loosening and drilling |
| CN212744036U (en) * | 2020-07-21 | 2021-03-19 | 河南理工大学 | Collapse anchoring hole through hole and anchoring agent positioning and pushing device |
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| CN111706372B (en) | 2022-01-14 |
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