CN116971808B - Coal mine tunnel anchor rod screwing device - Google Patents
Coal mine tunnel anchor rod screwing device Download PDFInfo
- Publication number
- CN116971808B CN116971808B CN202311210647.2A CN202311210647A CN116971808B CN 116971808 B CN116971808 B CN 116971808B CN 202311210647 A CN202311210647 A CN 202311210647A CN 116971808 B CN116971808 B CN 116971808B
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- Prior art keywords
- rod
- anchor rod
- hydraulic cylinder
- base
- screw rod
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- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
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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)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a coal mine roadway anchor rod screwing device, and belongs to the technical field of roadway support; comprises a base, a hydraulic cylinder, a screw rod supporting and positioning structure and a screw rod angle adjusting structure; the hydraulic cylinder is rotationally connected with the base through a shaft, the output end of the hydraulic cylinder is connected with a rotating motor, and the rotating motor is connected with the anchor rod; the screw rod supporting and positioning structure is used for supporting and positioning the anchor rod; the screw angle adjusting structure is connected with a driving device, and under the action of the driving device, the screw angle adjusting structure pulls the hydraulic cylinder to rotate around the shaft relative to the base so as to realize the angle adjustment of the anchor rod; the device can prevent the anchor rod from swinging in the ascending process, is convenient for aligning the anchor rod with the hole, and does not need a worker to manually operate the angle of the hydraulic cylinder; the multifunctional anchor rod jacking device has the advantages that multiple functions of anchor rod jacking, angle adjustment alignment, support fixing and drilling are achieved, and the problems that a long anchor rod is difficult to control and complex in operation when being installed into a hole through an anchor rod drilling machine are solved.
Description
Technical Field
The invention belongs to the technical field of roadway support, and relates to a coal mine roadway anchor rod screwing device.
Background
The anchor rod is the most basic component of roadway support in coal mines, and reinforces surrounding rocks of the roadway together so that the surrounding rocks can complete support. At present, the anchor rod is not only used for mines, but also used in engineering technology, the main body of the side slope, the tunnel and the dam body is reinforced, the anchor rod is used as one of main supporting forms of underground engineering and rock side slopes, plays an important role in maintaining the stability of civil engineering, and particularly in joint fracture rock bodies, the reinforcement effect of the anchor rod on the rock bodies is quite obvious.
When installing the stock, can set up a hole that is used for installing the stock on the country rock in advance, later install sealed thick liquid bag in the hole, install the stock on the jumbolter again, install the stock jacking inside the hole through the jumbolter later, after the stock stably gets into the hole inside, drive the nut rotation of stock tip through the operation of jumbolter, realize the reinforcement to the country rock. However, in this operation, because the anchor rod is longer, the workman needs manual control stock, prevents anchor rod swing, wastes time and energy, and simultaneously, people need be used for aiming at the hole with the stock through the handle at the middle part of the roof bolter of operation, and the operation is loaded down with trivial details equally.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a coal mine roadway anchor rod screwing device. The problem that the swing of the long anchor rod in the hole is difficult to control and the operation is complex is solved.
In order to achieve the above purpose, the present invention is realized by the following technical scheme.
A coal mine roadway anchor rod screwing device comprises a base, a hydraulic cylinder, a screw rod supporting and positioning structure and a screw rod angle adjusting structure; the hydraulic cylinder is rotationally connected with the base through a shaft, the output end of the hydraulic cylinder is connected with a rotating motor, and the output end of the rotating motor is connected with the anchor rod; the screw supporting and positioning structure comprises a fixed rod and a protection rod; one end of the fixed rod is rotationally connected with the outer wall of the hydraulic cylinder, the other end of the fixed rod is connected with the guard rod, and the guard rod is arranged at a position higher than the top of the initial moving end of the hydraulic cylinder; the guard bar is provided with a limiting bayonet used for being clamped into the anchor bar; a positioning device is connected between the fixed rod and the hydraulic cylinder;
one end of the screw angle adjusting structure is hinged with the hydraulic cylinder, the other end of the screw angle adjusting structure is connected with the base in a sliding manner, and the screw angle adjusting structure pulls the hydraulic cylinder to rotate relative to the base under the action of the driving device so as to realize the angle adjustment of the anchor rod.
Further, the output end of the hydraulic cylinder is fixedly provided with a mounting plate, and the top of the mounting plate is fixedly connected with the rotating motor.
Further, the output end of the rotating motor is fixedly provided with a fixed block, and the fixed block is connected with the end part of the anchor rod through a nut.
Further, the two fixing rods are respectively and symmetrically connected to the outer side of the middle part of the hydraulic cylinder through shaft pins in a rotating way; the top of the fixed rod is fixedly connected with the guard rods, and one ends of the two guard rods, which are adjacent, are arranged in an arc shape to form a limiting bayonet.
Furthermore, the end part of the guard bar is tightly attached to the anchor bar; a rubber pad is arranged on the inner wall of the arc-shaped end part of the guard bar.
Further, the positioning device comprises a moving ring, the moving ring is connected to the outer side of the hydraulic cylinder in a sliding mode, the moving ring penetrates through the fixing rod, positioning blocks are symmetrically and fixedly arranged on the outer side of the hydraulic cylinder, through holes are symmetrically formed in the inner ring of the moving ring corresponding to the positions of the positioning blocks, and the positioning blocks penetrate through the through holes.
Furthermore, a chamfer is arranged at the bottom end position of the movable ring corresponding to the through hole.
Further, the screw angle adjusting structure comprises a screw, a moving motor and a moving block; the screw rod sets up in the base, the tip of base corresponds the position fixed mounting of screw rod has movable motor, movable motor's output passes the tip fixed connection of base and screw rod, the outside threaded connection of screw rod has the movable block, spacing hole has been seted up to the both ends symmetry of movable block, the bilateral symmetry fixed mounting of base has the gag lever post, gag lever post and spacing hole sliding connection, the connecting rod is installed through pivot symmetry rotation in the top of movable block, the one end that the movable block was kept away from to the connecting rod is connected through pivot and the middle part rotation of pneumatic cylinder.
Furthermore, the limiting rod and the limiting hole are tightly attached to slide.
Further, the moving motor is a servo motor.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the end part of the anchor rod is arranged in the fixed block, the two guard bars are driven to extrude and fix the position of the anchor rod through the rotation of the fixed bars, then the hydraulic cylinder drives the rotating motor and the anchor rod to ascend, the anchor rod is inserted into a hole in surrounding rock, the anchor rod is prevented from swinging in the ascending process, and the anchor rod is stably inserted into the hole. Then, the nut at the end part of the anchor rod is driven to rotate through the operation of the rotating motor, so that the anchor rod and the surrounding rock are fixed; the problem that the long anchor rod is difficult to control and complex in operation when being installed in the hole through the jumbolter is solved.
2. According to the invention, the screw is driven to rotate through the operation of the moving motor, the moving block is driven to move through the threaded connection of the screw and the moving block and the positioning of the limiting rod to the moving block, the hydraulic cylinder is driven to rotate through the connecting rod, the alignment between the anchor rod and the hole is facilitated, the angle of the hydraulic cylinder is not required to be manually operated by a worker, the whole process of drilling the anchor rod is more automatic, and the drilling and screwing efficiency of the roadway anchor rod is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the coal mine roadway anchor bolt screwing device;
FIG. 2 is an exploded view of the coal mine roadway anchor bolt tightening apparatus of the present invention;
fig. 3 is a schematic structural view of a moving ring according to the present invention.
Reference numerals in the drawings: 1. a base; 2. a hydraulic cylinder; 3. a mounting plate; 4. a rotating motor; 5. a fixed block; 6. a fixed rod; 7. a guard bar; 8. a moving ring; 9. a positioning block; 10. perforating; 11. a screw; 12. a moving motor; 13. a moving block; 14. a limiting hole; 15. a limit rod; 16. and (5) connecting a rod.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. The following describes the technical scheme of the present invention in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
Referring to fig. 1 to 3 in combination, the embodiment provides a coal mine roadway anchor bolt screwing device, which comprises a base 1, a hydraulic cylinder 2, a mounting plate 3, a rotating motor 4, a fixed block 5, a fixed rod 6 and a guard rod 7, wherein the end part of the base 1 is rotatably provided with the hydraulic cylinder 2 for jacking an anchor bolt through a shaft, the output end of the hydraulic cylinder 2 is fixedly provided with the mounting plate 3, the top of the mounting plate 3 is fixedly provided with the rotating motor 4, the output end of the rotating motor 4 is fixedly provided with the fixed block 5, and the end part of the anchor bolt is arranged on the fixed block 5 through a nut; the middle part outside of pneumatic cylinder 2 is through pivot symmetry rotation installation dead lever 6, and the top fixed mounting of dead lever 6 has the guard bar 7 that is used for carrying out centre gripping fixed to the stock position, and the middle part of guard bar 7 is the disconnection formula structure that is used for the joint stock, and disconnection formula structure tip is convex setting to realize that two guard bars 7 carry out stable fixing to the stock. The inner wall of the arc-shaped end part contacted with the anchor rod is provided with a rubber pad, so as to prevent the anchor rod from excessively rubbing with the guard rod 7 in the rising process. The guard bar 7 is higher than the top of the movable end of the hydraulic cylinder 2 in the initial state.
Referring to fig. 1 to 3, a moving ring 8 is mounted on the outer side of the hydraulic cylinder 2, the moving ring 8 passes through the fixed rod 6, positioning blocks 9 are symmetrically and fixedly mounted on the outer side of the hydraulic cylinder 2, through holes 10 are symmetrically formed in the inner ring of the moving ring 8 corresponding to the positioning blocks 9, and the positioning blocks 9 pass through the through holes 10. The bottom end of the movable ring 8 corresponding to the through hole 10 is provided with a chamfer, so that the positioning block 9 can conveniently pass through the through hole 10. The movable ring 8 is slid along the outer side of the hydraulic cylinder 2, so that the positioning block 9 passes through the through hole 10, then the movable ring 8 is rotated to drive the movable ring 8 to be positioned on the upper surface of the positioning block 9, and the position of the movable ring 8 is fixed through the positioning block 9, so that the position of the movable ring 8 to the fixed rod 6 is fixed.
Referring to fig. 1 to 3, a screw 11 is rotatably installed in the middle of a base 1 through a support, a moving motor 12 is fixedly installed at the end of the base 1 corresponding to the position of the screw 11, the output end of the moving motor 12 passes through the base 1 and is fixedly connected with the end of the screw 11, a moving block 13 is in threaded connection with the outer side of the screw 11, limiting holes 14 are symmetrically formed in two ends of the moving block 13, limiting rods 15 are fixedly installed on two sides of the base 1 symmetrically, the limiting rods 15 are slidably connected with the limiting holes 14, a connecting rod 16 is rotatably installed at the top of the moving block 13 through shaft pins symmetrically, and one end of the connecting rod 16, far away from the moving block 13, is rotatably connected with the middle of a hydraulic cylinder 2 through shaft pins. The screw rod 11 is driven to rotate through the operation of the moving motor 12, the moving block 13 is driven to move through the threaded connection of the screw rod 11 and the moving block 13 and the positioning of the limiting rod 15 to the moving block 13, the hydraulic cylinder 2 is driven to rotate around the shaft at the bottom through the connection of the connecting rod 16, the positioning between the anchor rod and the hole is facilitated, and the angle of the hydraulic cylinder 2 is not required to be manually operated by a worker.
Wherein, the spacing pole 15 closely laminates the slip with spacing hole 14, and the purpose is to realize the steady movement to movable block 13.
The moving motor 12 is a servo motor to precisely control the rotation of the hydraulic cylinder 2.
When the device is used, the screw rod 11 is driven to rotate through the operation of the moving motor 12, the moving block 13 is driven to move through the threaded connection of the screw rod 11 and the moving block 13 and the positioning of the limiting rod 15 to the moving block 13, the hydraulic cylinder 2 is driven to rotate through the connection of the connecting rod 16, the alignment between the anchor rod and the hole is realized, the end part of the anchor rod is arranged inside the fixed block 5, the fixed rod 6 is rotated, the two protection rods 7 are driven to squeeze and fix the position of the anchor rod, the moving ring 8 is slid along the outer side of the hydraulic cylinder 2, the positioning block 9 penetrates through the through hole 10, then the moving ring 8 is driven to be positioned on the upper surface of the positioning block 9, the moving ring 8 is driven to be fixed in position through the positioning block 9, the moving ring 8 is driven to ascend through the hydraulic cylinder 2, the anchor rod is inserted into the hole in the surrounding rock, the anchor rod is prevented from swinging in the ascending process, the stable insertion of the anchor rod is realized, and the nut at the end part of the anchor rod is driven to rotate through the operation of the rotating motor 4, and the anchor rod is fixed between the anchor rod and the surrounding rock is realized.
While the invention has been described in detail in connection with specific preferred embodiments thereof, it is not to be construed as limited thereto, but rather as a result of a simple deduction or substitution by a person having ordinary skill in the art to which the invention pertains without departing from the scope of the invention defined by the appended claims.
Claims (8)
1. The coal mine roadway anchor rod screwing device is characterized by comprising a base (1), a hydraulic cylinder (2), a screw rod supporting and positioning structure and a screw rod angle adjusting structure; the hydraulic cylinder (2) is rotationally connected with the base (1) through a shaft, the output end of the hydraulic cylinder (2) is connected with the rotating motor (4), and the output end of the rotating motor (4) is connected with the anchor rod; the screw supporting and positioning structure comprises a fixed rod (6) and a guard rod (7); the two fixing rods (6) are respectively and symmetrically connected to the outer side of the middle part of the hydraulic cylinder (2) through shaft pins in a rotating way; the top of the fixed rod (6) is fixedly connected with the guard rods (7), one ends of the two guard rods (7) adjacent to each other are arranged in an arc shape to form a limiting bayonet, one end of the fixed rod (6) is rotationally connected with the outer wall of the hydraulic cylinder (2), the other end of the fixed rod is connected with the guard rods (7), and the position of the guard rods (7) is higher than the top of the initial moving end of the hydraulic cylinder (2); the guard bar (7) is provided with a limiting bayonet used for clamping the anchor bar; a positioning device is connected between the fixed rod (6) and the hydraulic cylinder (2);
screw rod angle adjustment structure one end is articulated with pneumatic cylinder (2), and the other end is connected with base (1) sliding connection, and screw rod angle adjustment structure is connected with drive arrangement, and under drive arrangement's effect, screw rod angle adjustment structure pulling pneumatic cylinder (2) rotate relative base (1) and are used for realizing the angle adjustment of stock, and positioner includes removal ring (8), and removal ring (8) sliding connection is in the outside of pneumatic cylinder (2), removal ring (8) pass dead lever (6), the outside symmetry fixed mounting of pneumatic cylinder (2) has locating piece (9), perforation (10) have been seted up to the position symmetry that the inner circle of removal ring (8) corresponds locating piece (9), locating piece (9) pass perforation (10).
2. The coal mine roadway anchor rod screwing device according to claim 1, wherein an installation plate (3) is fixedly arranged at the output end of the hydraulic cylinder (2), and the top of the installation plate (3) is fixedly connected with a rotating motor (4).
3. The coal mine roadway anchor rod screwing device according to claim 1, wherein a fixed block (5) is fixedly arranged at the output end of the rotating motor (4), and the fixed block (5) is connected with the end portion of the anchor rod through a nut.
4. The coal mine tunnel anchor rod screwing device according to claim 1, wherein the end part of the guard rod (7) is tightly attached to the anchor rod; a rubber pad is arranged on the inner wall of the arc-shaped end part of the guard bar (7).
5. The coal mine roadway anchor rod screwing device according to claim 1, wherein a chamfer is formed at the bottom end position of the movable ring (8) corresponding to the through hole (10).
6. The coal mine roadway anchor rod screwing device according to claim 1, wherein the screw rod angle adjusting structure comprises a screw rod (11), a mobile motor (12) and a mobile block (13); screw rod (11) set up in base (1), the tip of base (1) corresponds the position fixed mounting of screw rod (11) and has movable motor (12), the output of movable motor (12) passes the tip fixed connection of base (1) and screw rod (11), the outside threaded connection of screw rod (11) has movable block (13), spacing hole (14) have been seted up to the both ends symmetry of movable block (13), the both sides symmetry fixed mounting of base (1) has gag lever post (15), gag lever post (15) and spacing hole (14) sliding connection, connecting rod (16) are installed through pivot symmetry rotation in the top of movable block (13), the one end that movable block (13) was kept away from to connecting rod (16) is through the middle part swivelling joint of pivot and pneumatic cylinder (2).
7. The coal mine tunnel anchor rod screwing device according to claim 6, wherein the limiting rod (15) is tightly attached to the limiting hole (14) to slide.
8. The coal mine roadway anchor bolt screwing device as claimed in claim 6, wherein the moving motor (12) is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311210647.2A CN116971808B (en) | 2023-09-19 | 2023-09-19 | Coal mine tunnel anchor rod screwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311210647.2A CN116971808B (en) | 2023-09-19 | 2023-09-19 | Coal mine tunnel anchor rod screwing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116971808A CN116971808A (en) | 2023-10-31 |
| CN116971808B true CN116971808B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311210647.2A Active CN116971808B (en) | 2023-09-19 | 2023-09-19 | Coal mine tunnel anchor rod screwing device |
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| Country | Link |
|---|---|
| CN (1) | CN116971808B (en) |
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| CN116971808A (en) | 2023-10-31 |
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