CN209800002U

CN209800002U - coal mine tunnel supporting grouting anchor cable

Info

Publication number: CN209800002U
Application number: CN201920585568.2U
Authority: CN
Inventors: 浠诲己; 任强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-17
Anticipated expiration: 2029-04-26

Abstract

The utility model relates to a coal mine tunnel supports technical field, and discloses a coal mine tunnel supports slip casting anchor rope, including the tunnel, one side of tunnel is pasted and is fixed with the layer that spouts, one side fixedly connected with rubber grout stopping pad of layer that spouts, the left side of rubber grout stopping pad is pasted and is fixed with the flange, the left side of rubber grout stopping pad is followed the horizontal central line symmetry of flange is fixed with the fixed block, the left side laminating of fixed block has the layer that spouts; through having set up the sheath, this sheath is flexible material, the sheath can stretch or the compression shortens, it has the end pipe to paste at the both ends of sheath, sheath and end pipe can run through on the anchor rope, can stretch certain length to the sheath when the whitewashing, the sheath covers the anchor rope that exposes completely, and like this, operating personnel can be the whitewashing of worrying about at all, improve whitewashing speed, and can also avoid the whitewashing material to adhere on the anchor rope, after the whitewashing, the compression sheath, install relevant parts again, do benefit to the use.

Description

Coal mine tunnel supporting grouting anchor cable

Technical Field

The utility model relates to a coal mine tunnel supports technical field, specifically is a coal mine tunnel supports slip casting anchor rope.

Background

along with the increase of the coal mining depth, the mine mining conditions are more complicated, in order to ensure the roadway supporting effect, measures such as 'anchor cable reinforcement', 'grouting reinforcement' and 'anchor frame combined support' are generally adopted, so that the grouting anchor cable is widely used in the coal mine roadway, the anchor rod body of the grouting anchor cable adopts a hollow design, the middle hole of the rod body is used as a drilling high-pressure air-water channel and a grouting channel, the hollow rod body can obtain better rigidity and shear strength through the design, the full-length standard large-pitch thread structure is arranged on the outer surface of the anchor rod body, and the thread structure is convenient for cutting and lengthening of.

The patent number (CN207847666U, a slip casting anchor rope is strutted in coal mine tunnel), this patent is through reforming transform ordinary anchor rope, ordinary anchor rope slip casting technology can be realized to the anchor rope tray, the material expense of cavity slip casting anchor rope can be saved, make slip casting simple process again, be provided with rubber packing ring and rubber in addition and only fill up, play the shutoff effect, prevent between tray and the tool to lock, leak thick liquid between tray and the spray layer, but this patent still has certain weak point when actual operation.

The prior art has the following problems:

(1) Before guniting, an operator needs to protect the anchor cable hole and the exposed part of the anchor cable, but in actual operation, a protected object cannot be found in a roadway, and the operator can only take care as much as possible during guniting, so that the guniting speed is low, certain hidden danger exists, the guniting is easy to adhere to the anchor cable, and the installation of a subsequent tray and related parts is influenced;

(2) Before the installation tray, in order to prevent that the anchor rope hole from blockking up, the operator need clear up near the anchor rope hole, troublesome poeration, it is more loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a colliery tunnel struts slip casting anchor rope has solved and can't find the article that has the protection in the tunnel, and operating personnel can only be as careful as possible when the whitewashing, and like this, not only the whitewashing speed is slow, still has the problem of certain hidden danger, has still solved near the operator needs to clear up anchor rope hole, troublesome poeration, more loaded down with trivial details problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine roadway supporting grouting anchor cable comprises a roadway, wherein a spraying layer is fixedly adhered to one side of the roadway, a rubber grout stopping pad is fixedly connected to one side of the spraying layer, a convex plate is fixedly adhered to the left side of the rubber grout stopping pad, fixed blocks are symmetrically fixed to the left side of the rubber grout stopping pad along the horizontal center line of the convex plate, the spraying layer is adhered to the left side of each fixed block, the spraying layer is fixedly adhered to the fixed blocks, an anchor cable penetrates through the roadway and the rubber grout stopping pad, the anchor cable is fixedly connected with the roadway and the rubber grout stopping pad, a sheath is slidably connected to one side, close to the rubber grout stopping pad, of the outer portion of the anchor cable, end pipes are fixedly adhered to the two ends of the sheath, an anchor cable tray is fixedly connected to one side, close to the end pipes, of the outer side wall of the anchor cable tray is fixedly connected with a gasket, the gasket laminating is in the right side of thick liquid pad is only stopped to rubber, the lateral wall laminating of anchor rope one side sliding connection of anchor rope tray has the rubber packing ring, the lateral wall of anchor rope is close to one side of rubber packing ring rotates and is connected with the tool to lock.

Preferably, the convex plate comprises a cylinder and a disc, the cylinder is located on the left side of the rubber grout stopping pad and is fixedly adhered to the rubber grout stopping pad, and the disc is fixedly connected to the left side of the cylinder.

Preferably, the anchor cable penetrates through the inner part of the convex plate and is fixedly connected with the convex plate.

Preferably, the maximum stretching length of the sheath and the two end pipes is equal to the length of the right side of the roadway from the right end of the anchor cable.

Preferably, the anchor cable tray is a spherical surface with flat periphery and convex middle, and the right side of the anchor cable tray is integrally formed with grouting holes.

Preferably, the gasket is square, and the thickness of the gasket is 0.3mm-0.6 mm.

(III) advantageous effects

The utility model provides a colliery tunnel struts slip casting anchor rope possesses following beneficial effect:

(1) The utility model discloses a set up the sheath, this sheath is flexible material, the sheath can stretch or the compression shortens, it has the end pipe to paste at the both ends of sheath, sheath and end pipe can run through on the anchor rope, can stretch certain length to the sheath when the whitewashing, the sheath covers the anchor rope that exposes completely, thus, operating personnel can be without regard to the whitewashing that is taboo, improve whitewashing speed, and can also avoid the whitewashing material adhesion on the anchor rope, after the whitewashing, the compression sheath, install relevant part again, do benefit to the use.

(2) The utility model discloses a left side that only starching the pad at rubber is connected with fixed block and flange, runs through the anchor rope in the flange to the left side and the laminating of the starching pad of flange are only starching to rubber, and the operator need not to clear up near anchor rope hole, saves one step of operation, reduces operator's manual labor, can also prevent that the anchor rope hole from blockking up, is connected with the gasket in the left side of anchor rope tray, and the gasket laminating is only starching pad and anchor rope tray at rubber between, can strengthen being connected between the two, and is fixed firm.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic structural view of the stretched sheath of the present invention;

Fig. 4 is a partial schematic view of fig. 1 in the present invention.

In the figure: 1. a rubber grout stop pad; 2. a roadway; 3. a convex plate; 301. a cylinder; 302. a disc; 4. a fixed block; 5. a gasket; 6. an anchor cable tray; 7. a rubber gasket; 8. a lock; 9. an anchor cable; 10. a sheath; 11. an end tube; 12. and (5) spraying a layer.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a coal mine roadway support grouting anchor cable comprises a roadway 2, a spray layer 12 is fixedly adhered to one side of the roadway 2, a rubber grout stopping pad 1 is fixedly connected to one side of the spray layer 12, a convex plate 3 is fixedly adhered to the left side of the rubber grout stopping pad 1, fixed blocks 4 are symmetrically fixed to the left side of the rubber grout stopping pad 1 along the horizontal center line of the convex plate 3, the spray layer 12 is adhered to the left side of each fixed block 4, the spray layer 12 is fixedly adhered to the fixed blocks 4, an anchor cable 9 penetrates through the roadway 2 and the rubber grout stopping pad 1, the anchor cable 9 is fixedly connected with the roadway 2 and the rubber grout stopping pad 1, a sheath 10 is slidably connected to one side, close to the rubber grout stopping pad 1, of the outer portion of the anchor cable 9, an end pipe 11 is fixedly adhered to two ends of the sheath 10, an anchor cable tray 6 is fixedly connected to one side, close to the end pipe 11, of the outer side wall of the anchor cable 9, a gasket 5, one side sliding connection that the lateral wall of anchor rope 9 was laminated anchor rope tray 6 has rubber packing ring 7, and one side that the lateral wall of anchor rope 9 is close to rubber packing ring 7 rotates and is connected with tool to lock 8, and flange 3 comprises drum 301 and disc 302, and the inside wall of tool to lock 8 has the screw thread, and when tool to lock 8 rotated, tool to lock 8 can slide on anchor rope 9.

Further, the convex plate 3 comprises a cylinder 301 and a disc 302, the cylinder 301 is located on the left side of the rubber grout stop pad 1 and is pasted and fixed with the rubber grout stop pad 1, the left side fixedly connected with disc 302 of the cylinder 301 is made of plastic, the material of the cylinder 301 and the disc 302 is plastic, when the coal mine roadway 2 supports, the disc 302 is attached to the rubber grout stop pad 1, at the moment, the anchor cable hole is wrapped in the convex plate 3, and the spray layer 12 around the anchor cable hole can be prevented from being extruded and extended to block the anchor cable hole when the anchor cable tray 6 is pre-tightened.

Further, anchor rope 9 runs through in the inside of flange 3, and with flange 3 fixed connection, anchor rope 9 has a helicitic texture, and flange 3 is inside to be hollow structure, runs through in flange 3 at anchor rope 9 when, can play the guard action.

Further, the maximum stretching length of the sheath 10 and the two end pipes 11 is equal to the length of the right side of the roadway 2 away from the right end of the anchor cable 9, the sheath 10 can be compressed to be shortened or stretched to be lengthened, and when guniting, the sheath 10 can cover the exposed anchor cable 9, so that guniting use is facilitated.

Further, the anchor cable tray 6 is a spherical surface which is flat on the periphery and convex in the middle, and grouting holes are integrally formed in the right side of the anchor cable tray 6 and can be connected together through pipelines when meeting an external shotcrete machine.

Furthermore, the gasket 5 is square, the thickness of the gasket 5 is 0.3mm-0.6mm, the gasket 5 is made of rubber and soft in texture, and the rubber grout stopping pad 1 and the anchor cable tray 6 can be tightly connected together to prevent unstable adhesion.

To sum up, the utility model discloses a work flow: run through sheath 10 in anchor rope 9 outside, this sheath 10 is flexible material, sheath 10 can stretch or the compression shortens, it has end pipe 11 to paste at the both ends of sheath 10, can stretch certain length to sheath 10 when the whitewashing, sheath 10 covers the anchor rope 9 that exposes completely can, thus, operating personnel can be the whitewashing of worrying about nothing, improve the whitewashing speed, and can also avoid the whitewashing adhesion on anchor rope 9, after the whitewashing, the compression of sheath 10 shortens, install relevant parts again in proper order, it is connected with fixed block 4 and flange 3 to stop the left side of thick liquid pad 1 at rubber, it has anchor rope 9 to run through in the flange 3, and the left side of flange 3 stops thick liquid pad 1 laminating with rubber, flange 3 plays the guard action, can prevent that the anchor rope hole from being blocked up.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery tunnel support slip casting anchor rope, includes tunnel (2), its characterized in that: the glue spraying device is characterized in that a spraying layer (12) is fixed to one side of the roadway (2) in a pasting mode, a rubber grout stopping pad (1) is fixedly connected to one side of the spraying layer (12), a protruding plate (3) is fixed to the left side of the rubber grout stopping pad (1) in a pasting mode, fixed blocks (4) are symmetrically fixed to the horizontal center line of the protruding plate (3) along the left side of the rubber grout stopping pad (1), the spraying layer (12) is attached to the left side of the fixed blocks (4), the spraying layer (12) is fixedly attached to the fixed blocks (4), the roadway (2) and the rubber grout stopping pad (1) are penetrated through anchor cables (9), the anchor cables (9) are fixedly connected with the roadway (2) and the rubber grout stopping pad (1) in a pasting mode, a protective sleeve (10) is connected to the outer portion of the anchor cables (9) in a sliding mode, end pipes (11) are fixed to the two ends of the protective sleeve (10), the lateral wall of anchor rope (9) is close to one side fixedly connected with anchor rope tray (6) of end pipe (11), the left side fixedly connected with gasket (5) of anchor rope tray (6), gasket (5) laminating is in the right side of thick liquid pad (1) is only stopped to rubber, the lateral wall laminating of anchor rope (9) one side sliding connection of anchor rope tray (6) has rubber packing ring (7), the lateral wall of anchor rope (9) is close to one side of rubber packing ring (7) is rotated and is connected with tool to lock (8).

2. The coal mine roadway support grouting anchor cable of claim 1, wherein: protruding board (3) include drum (301) and disc (302), drum (301) are located the left side of rubber ends thick liquid pad (1), and with rubber ends thick liquid pad (1) and pastes fixedly, the left side fixedly connected with of drum (301) disc (302).

3. The coal mine roadway support grouting anchor cable of claim 1, wherein: the anchor cable (9) penetrates through the inner part of the convex plate (3) and is fixedly connected with the convex plate (3).

4. The coal mine roadway support grouting anchor cable of claim 1, wherein: the maximum stretching length of the sheath (10) and the two end pipes (11) is equal to the length of the right side of the roadway (2) from the right end of the anchor cable (9).

5. The coal mine roadway support grouting anchor cable of claim 1, wherein: the anchor cable tray (6) is a spherical surface with flat periphery and convex middle, and grouting holes are integrally formed in the right side of the anchor cable tray (6).

6. The coal mine roadway support grouting anchor cable of claim 1, wherein: the gasket (5) is square, and the thickness of the gasket (5) is 0.3mm-0.6 mm.