CN110905559B - Roof supporting anchor net compactor - Google Patents
Roof supporting anchor net compactor Download PDFInfo
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- CN110905559B CN110905559B CN201911207471.9A CN201911207471A CN110905559B CN 110905559 B CN110905559 B CN 110905559B CN 201911207471 A CN201911207471 A CN 201911207471A CN 110905559 B CN110905559 B CN 110905559B
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- fixed
- lock core
- screw
- threaded sleeve
- anchor net
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/152—Laggings made of grids or nettings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a top plate supporting anchor net compactor and discloses a compacting device which is installed through a lock cylinder and an existing anchor rod in a matched mode and compresses an anchor net through a compacting foot with adjustable angle and height and adapting to the surface of a rock wall. The lock core is characterized in that four fixing plates are arranged on the outer wall of one end of the lock core at equal angles, the lock core is composed of an upper part and a lower part, the upper part of the lock core is gradually enlarged in the straight radial direction, a plurality of expansion slots are formed in the other end of the lock core at equal angles to form a plurality of lock core pieces with equal sizes, a clearance groove is formed in each fixing plate, a fixing threaded sleeve is arranged in the clearance groove and connected with the fixing plates through fixing shafts, each fixing shaft penetrates through the corresponding fixing plate and is fixed through an adjusting nut, a limiting cap is arranged at one end of each fixing shaft, a screw is arranged in the corresponding fixing threaded sleeve in a threaded manner, one end of the screw extends upwards to form the corresponding fixing threaded sleeve, a spherical joint is arranged at one end of the screw, a movable sleeve is arranged on the spherical joint, and a pressing foot is arranged on the movable sleeve.
Description
Technical Field
The invention discloses a top plate supporting anchor net compressor, relates to a compressing device for compressing a top plate supporting anchor net, and belongs to the field of coal mine equipment. In particular to a pressing device which is installed by matching a lock core with the existing anchor rod and presses an anchor net by a pressing foot with adjustable angle and height to adapt to the surface of a rock wall.
Background
In the coal mine excavation process, due to the special environment under the coal mine, the situation of falling rocks can appear on the top layer of the roadway wall left after the coal mine is mined under the stress release effect of the rock wall, the life safety of operating personnel is threatened, meanwhile, the falling rocks on the ground can also obstruct the coal mine transportation, so that the anchor net can be fixedly attached to the rock wall of the roadway tightly by adopting the anchor rod matched with the locking disc in the coal mine operation, the rock wall at the top layer of the roadway is supported, the falling rocks on the top wall are prevented from being damaged, but because the rock wall of the roadway is not a flat and smooth plane, grooves on the surface of the rock wall are uneven, when the anchor net is tightly pressed by using the anchor rod matched with the locking disc, part of the anchor net can not be tightly locked on the rock wall, the distance between the anchor net and the rock wall can not be effectively supported, and certain potential safety hazards exist.
Notice No. CN206694047U discloses a device that supports metal mesh in tunnel shotcrete net is strutted, including supporting shoe, adjustable screw, long nut, base, the adjustable screw lower part is screw rod adjustable part, be fastening application of force section on the screw rod adjustable part, the base is at the bottommost, long nut fixes on the base, screw rod adjustable part establishes the screw thread, long nut and screw rod adjustable part are threaded connection cooperation, adjustable screw top tight supporting shoe, the device can occupy some tunnel ground, and because the tunnel cliff surface of strutting is uneven, compress tightly the anchor net through planar structure and can leave the gap, can not compress tightly the anchor net on the cliff completely, influence the effect of strutting of anchor net, have certain potential safety hazard.
Disclosure of Invention
In order to improve the situation, the invention provides a top plate supporting anchor net compactor which is a compacting device which is installed by matching a lock cylinder with the existing anchor rod and compacts an anchor net by a compacting foot with adjustable angle and height and adapting to the surface of a rock wall.
The invention relates to a roof support anchor net compactor, which is realized by the following steps: the invention relates to a top plate supporting anchor net compressor which comprises a lock cylinder, a locking threaded sleeve, a compression pin, a movable sleeve, a screw rod, a fixed threaded sleeve, a fixed plate, a limit cap, an adjusting nut, a fixed shaft, a clearance groove and a spherical joint, wherein four fixed plates are arranged on the outer wall of one end of the lock cylinder at equal angles, the lock cylinder is composed of an upper part and a lower part, the upper part of the lock cylinder is gradually enlarged in the straight radial direction, a plurality of expansion grooves are formed at the other end of the lock cylinder at equal angles to form a plurality of lock core plates with equal sizes, the clearance groove is formed on the fixed plate, the fixed threaded sleeve is arranged in the clearance groove and is connected with the fixed plate through the fixed shaft, the fixed shaft penetrates through the fixed plates and is fixed through the adjusting nut, the limit cap is arranged at one end of the fixed shaft, the screw rod is screwed and arranged in the fixed threaded sleeve, one end of the screw rod extends upwards out of the fixed threaded sleeve, the spherical joint is arranged at one end of the screw rod, the movable sleeve is arranged on the spherical joint, the movable sleeve is provided with a pressing foot, the pressing foot is composed of three pressing pieces distributed at equal angles, the other end of the screw rod extends downwards to form a fixed threaded sleeve, a fixed nut is sleeved on the other end of the screw rod, a locking threaded sleeve is screwed on the lock cylinder and is close to the bottom of the expansion groove, the pressing pieces are metal pieces wrapped with rubber pads on the outer sides, the clearance groove is a strip-shaped groove, the two ends of the clearance groove are arc-shaped surfaces, and the diameter of the fixed threaded sleeve is smaller than the width of the clearance groove.
Has the beneficial effects.
Firstly, can effectively improve the effect that fastens and compresses tightly anchor net.
And secondly, four direction adjustment type compaction is adopted, so that the device is suitable for the condition that the rock wall of the roadway is uneven.
Thirdly, the installation and the use are convenient, the structure is simple, and the cost is low.
Drawings
Fig. 1 is a three-dimensional structure diagram of a roof support anchor net compactor of the present invention.
Fig. 2 is a schematic structural diagram of a roof support anchor net compactor of the present invention.
Fig. 3 is a schematic structural view of the roof support anchor net compactor in use.
In the attached drawings
Wherein the method comprises the following steps: the lock comprises a lock cylinder (1), a locking threaded sleeve (2), a pressing pin (3), a movable sleeve (4), a screw (5), a fixed threaded sleeve (6), a fixed plate (7), a limiting cap (8), an adjusting nut (9), a fixed shaft (10), a clearance groove (11), an anchor net (12), a spherical joint (13) and a rock wall (14).
The specific implementation mode is as follows:
the invention relates to a roof support anchor net compactor, which is realized by the following steps: the invention relates to a top plate supporting anchor net compressor which comprises a lock cylinder (1), a locking threaded sleeve (2), a compression pin (3), a movable sleeve (4), a screw (5), a fixed threaded sleeve (6), a fixed plate (7), a limiting cap (8), an adjusting nut (9), a fixed shaft (10), a clearance groove (11) and a spherical joint (13), wherein four fixed plates (7) are arranged on the outer wall of one end of the lock cylinder (1) at equal angles, the lock cylinder (1) consists of an upper part and a lower part, the upper part is gradually increased in the straight radial direction, a plurality of expansion grooves are formed at the other end of the lock cylinder (1) at equal angles to form a plurality of lock cylinder (1) sheets with equal sizes, the clearance groove (11) is formed in the fixed plate (7), the fixed threaded sleeve (6) is arranged in the clearance groove (11) and is connected with the fixed plate (7) through the fixed shaft (10), and the fixed shaft (10) penetrates through the fixed plate (7), and is fixed by an adjusting nut (9), a limit cap (8) is arranged at one end of a fixed shaft (10), a screw rod (5) is screwed in a fixed screw sleeve (6), the fixed screw sleeve (6) extends upwards from one end of the screw rod (5), a spherical joint (13) is arranged at one end of the screw rod (5), a movable sleeve (4) is sleeved on the spherical joint (13), a pressing foot (3) is arranged on the movable sleeve (4), the pressing foot (3) consists of three pressing pieces which are distributed at equal angles, the fixed screw sleeve (6) extends downwards from the other end of the screw rod (5), the fixed nut is sleeved on the other end of the screw rod (5), a locking screw sleeve (2) is screwed in a lock cylinder (1) and is close to the bottom of an expansion groove, the pressing pieces are metal pieces wrapped with rubber pads on the outer sides, a clearance groove (11) is a strip-shaped groove, and the two ends are arc-shaped surfaces, the diameter of the fixed threaded sleeve (6) is smaller than the width of the clearance groove (11).
When the device is used, an operator firstly sleeves the lock cylinder (1) at the tail end of the anchor rod, the locking screw sleeve (2) is upwards rotated to enable the lock cylinder (1) piece with one end of the lock cylinder (1) expanded outwards to be inwards extruded, so that the device is fixed on the anchor rod to complete installation, when the anchor net (12) needs to be compressed and fastened, the operator loosens the adjusting nut (9), breaks the fixing screw sleeve (6) to adjust the angle of the fixing screw sleeve (6), the adjusting nut (9) locks and fixes the fixing screw sleeve (6) to fix the angle after the installation is completed, then the operator rotates the screw rod (5) to upwards rotate along the guide angle of the fixing screw sleeve (6), further the compression foot (3) at one end of the screw rod (5) moves upwards, the compression foot (3) pushes the anchor net (12) close to the anchor rod to be compressed and pasted on the rock wall (14), and the four screw rods (5) can compress the anchor net (12) in four directions, the pressing direction and distance can be freely adjusted according to the uneven surface of the rock wall (14), so that the anchor net (12) can be tightly pressed on the rock wall (14), the gap between the anchor net (12) and the rock wall (14) is small, the supporting effect is good, and the personnel operation is safe;
the movable sleeve (4) can rotate on the spherical joint (13) to adjust the angle of the pressing foot (3) so as to further adapt to the surface of a rock wall (14);
the lock cylinder (1) consists of an upper part and a lower part, and the diameter of the upper part is gradually increased upwards, so that the lock cylinder (1) is conveniently sleeved on the anchor rod;
the other end of the lock cylinder (1) is provided with a plurality of expansion slots at equal angles to form a plurality of lock cylinder (1) pieces with equal sizes, so that the lock cylinder (1) can be contracted, and the lock cylinder (1) and the anchor rod can be locked and fixed when the locking thread sleeve (2) is rotated upwards;
one end of the fixed shaft (10) is provided with a limit cap (8) which limits the fixed shaft (10) to prevent the fixed shaft from falling off;
the pressing sheet is a metal sheet wrapped with a rubber pad, the metal sheet is high in strength and good in pressing effect, the rubber pad can increase friction force, is anti-skidding and can be better attached to a rock wall (14) for pressing;
the clearance groove (11) is a strip-shaped groove, and the two ends of the clearance groove are arc-shaped surfaces, the strip-shaped groove enables the fixed threaded sleeve (6) to deflect at a certain angle, so that the screw rod (5) deflects at a certain angle, and the arc-shaped surfaces enable the fixed threaded sleeve (6) to be attached to the end surface of the clearance groove (11) when deflecting;
the diameter of the fixed threaded sleeve (6) is smaller than the width of the clearance groove (11), so that a gap exists between the fixed threaded sleeve (6) and the clearance groove (11), and friction obstruction during deflection is avoided;
the fixed threaded sleeve (6) is matched with the screw rod (5) and the compression foot (3), so that the compression foot (3) can be adjusted in height and angle, the surface of the rock wall (14) is adapted, and the compression and attachment effects on the anchor net (12) are improved;
the adjusting nut (9) is loosened, and the design of the fixed threaded sleeve (6) is deflected, so that the angle of the pressing pin (3) can be adjusted;
the design that the screw rod (5) is rotated and the pressing foot (3) moves up and down is adopted to adjust the height of the pressing foot (3) to adapt to the surface shape of the rock wall (14);
the purpose that the lock cylinder (1) is matched with the conventional anchor rod for installation, and the pressing foot (3) with adjustable angle and height is adapted to the surface of the rock wall (14) to press the anchor net (12) is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (3)
1. The utility model provides a roof supporting anchor net compactor which characterized by: the lock comprises a lock core, wherein the lock core consists of an upper part and a lower part, the upper part is gradually enlarged in the straight radial direction, four fixed plates are arranged on the outer wall of one end of the lock core at equal angles, a clearance groove is formed in each fixed plate, a fixed threaded sleeve is arranged in each clearance groove and is connected with the fixed plates through a fixed shaft, the fixed shaft penetrates through the fixed plates and is fixed through an adjusting nut, a limiting cap is arranged at one end of each fixed shaft, a screw is arranged in each fixed threaded sleeve in a screwed manner, one end of the screw extends upwards to form the fixed threaded sleeve, a spherical joint is arranged at one end of the screw, a movable sleeve is arranged on the spherical joint, a pressing foot is arranged on the movable sleeve and consists of three pressing pieces which are distributed at equal angles, the other end of the screw extends downwards to form the fixed threaded sleeve, the fixed nut is sleeved on the other end of the screw, a plurality of lock core pieces which are formed by expanding the same size are arranged at the other end of the lock core at equal angles, and the lock threaded sleeve is arranged on the lock core, and be close to the expansion tank bottom, the lock core can contract, and when locking swivel nut upwards rotates, the lock core forms the locking with current stock fixed, cooperates the installation through lock core and current stock, compresses tightly the anchor net through angle and height-adjustable's the foot adaptation rock wall surface that compresses tightly, and is rotatory the screw rod compresses tightly the foot and reciprocates, carries out the regulation of height to compressing tightly the foot, adapts to rock wall surface shape, fixed swivel nut diameter is less than and keeps away the dead slot width, keep away the dead slot and be the bar groove, and both ends are the arcwall face, and the bar groove makes fixed swivel nut can carry out the angle deflection in certain angle, and then makes the screw rod deflect in certain angle, and the arcwall face can laminate when making fixed swivel nut deflect and keeps away the dead slot terminal surface.
2. The roof support anchor net compactor according to claim 1, wherein the compacting sheet is a metal sheet wrapped with a rubber pad on the outer side, the metal sheet has high strength and good compacting effect, and the rubber pad can increase friction force, prevent slipping and better adhere to a rock wall for compacting.
3. The roof support anchor net impactor of claim 1, wherein the fixed threaded sleeve is matched with the screw and the compression foot, so that the compression foot can be adjusted in height and angle to adapt to the surface of the rock wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207471.9A CN110905559B (en) | 2019-11-30 | 2019-11-30 | Roof supporting anchor net compactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207471.9A CN110905559B (en) | 2019-11-30 | 2019-11-30 | Roof supporting anchor net compactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110905559A CN110905559A (en) | 2020-03-24 |
| CN110905559B true CN110905559B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911207471.9A Active CN110905559B (en) | 2019-11-30 | 2019-11-30 | Roof supporting anchor net compactor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07300820A (en) * | 1994-05-09 | 1995-11-14 | Tokyo Seiko Co Ltd | Close contact type protective construction method against falling rock and rope/net anchor structure thereof |
| CN106837387A (en) * | 2017-04-21 | 2017-06-13 | 中国矿业大学 | The installation apparatus and its application method of a kind of roadway support prestressed anchor net |
| WO2017207712A1 (en) * | 2016-06-03 | 2017-12-07 | Inchalam Sa - Industrias Chilenas De Alambre | Method and apparatus for lining tunnel surface with protective nets |
| CN107989636A (en) * | 2017-12-08 | 2018-05-04 | 刘梦 | A kind of colliery tunnel support anchor net fixing device |
| CN207795288U (en) * | 2018-02-07 | 2018-08-31 | 周辉 | A kind of underground coal mine roof timbering ruggedized construction |
| CN109595014A (en) * | 2018-11-06 | 2019-04-09 | 首钢集团有限公司 | A kind of bolting with wire mesh method |
| CN209293826U (en) * | 2019-01-08 | 2019-08-23 | 河南平宝煤业有限公司 | A kind of roadway support device |
-
2019
- 2019-11-30 CN CN201911207471.9A patent/CN110905559B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07300820A (en) * | 1994-05-09 | 1995-11-14 | Tokyo Seiko Co Ltd | Close contact type protective construction method against falling rock and rope/net anchor structure thereof |
| WO2017207712A1 (en) * | 2016-06-03 | 2017-12-07 | Inchalam Sa - Industrias Chilenas De Alambre | Method and apparatus for lining tunnel surface with protective nets |
| CN106837387A (en) * | 2017-04-21 | 2017-06-13 | 中国矿业大学 | The installation apparatus and its application method of a kind of roadway support prestressed anchor net |
| CN107989636A (en) * | 2017-12-08 | 2018-05-04 | 刘梦 | A kind of colliery tunnel support anchor net fixing device |
| CN207795288U (en) * | 2018-02-07 | 2018-08-31 | 周辉 | A kind of underground coal mine roof timbering ruggedized construction |
| CN109595014A (en) * | 2018-11-06 | 2019-04-09 | 首钢集团有限公司 | A kind of bolting with wire mesh method |
| CN209293826U (en) * | 2019-01-08 | 2019-08-23 | 河南平宝煤业有限公司 | A kind of roadway support device |
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| CN110905559A (en) | 2020-03-24 |
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