CN212803291U

CN212803291U - Yielding anchor cable for mine

Info

Publication number: CN212803291U
Application number: CN202021568221.6U
Authority: CN
Inventors: 张立强
Original assignee: Shaanxi Pubai Mine Support Co ltd
Current assignee: Shaanxi Pubai Mine Support Co ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2021-03-26
Anticipated expiration: 2030-08-01

Abstract

The utility model discloses a mining anchor rope of stepping down, including the anchor rope body, the one end fixedly connected with anchor head of anchor rope body, sliding connection is established to the position cover that the anchor head is close to anchor body surface and is waited to press the pipe, let press the pipe and keep away from the one end surface cover of anchor head and establish sliding connection and have first tray, the surface of pressing the pipe and the position cover that is close to first tray are equipped with first lock nut. The utility model discloses in, let and press the pipe to slide and drive the ring flange compression and let the pressure spring, thereby realize the buffering, thereby play the effect of letting press, and then can avoid the cracked condition to appear in the anchor rope body, the life of anchor rope is greatly improved, when letting the pressure spring damage the time need change, only need unscrew fixation nut, can take down fixation bolt, thereby will let the pressure spring take off, then will be new let press the spring housing on fixation bolt, through fixation nut fixed can, the operation is thus simple, the maintenance of letting the pressure anchor rope is greatly made things convenient for, the cost is also saved simultaneously.

Description

Yielding anchor cable for mine

Technical Field

The utility model relates to a mining supporting equipment technical field especially relates to mining pressure anchor rope that lets.

Background

The anchor cable is characterized in that when the main cable is anchored in a side hole in a suspension bridge, the main cable is divided into a plurality of steel bundles which are respectively anchored in an anchor ingot, and the steel bundles are called as the anchor cables. The anchor cable is a prestressed steel strand which is fixed on the slope surface through the outer end, and the other end is anchored in a stable rock mass in the sliding surface and penetrates through the sliding surface of the side slope, so that the anti-sliding resistance is directly generated on the sliding surface, the anti-sliding friction resistance is increased, the structural surface is in a compression state, and the integrity of the rock mass of the side slope is improved, so that the mechanical property of the rock mass is fundamentally improved, the displacement of the rock mass is effectively controlled, the stability of the rock mass is promoted, and the purpose of treating bedding, sliding slope, dangerous rocks and dangerous rocks is achieved;

the elongation of the existing common anchor rod and anchor cable is difficult to meet the engineering requirements under many conditions, especially when large deformation soft rock underground engineering is encountered, the common anchor rod and anchor cable cannot achieve the effect, however, in the prior art, the increase of the constant resistance extensibility is mostly completed through grouting, and when the rock stratum is deformed greatly, the grouting anchor rod is easy to lose efficacy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the mining anchor rope of stepping down that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mine pressure-yielding anchor cable comprises an anchor cable body, wherein one end of the anchor cable body is fixedly connected with an anchoring head, a position, close to the anchoring head, of the outer surface of the anchor cable body is sleeved with a pressure-yielding pipe in a sliding connection mode, one end, far away from the anchoring head, of the pressure-yielding pipe is sleeved with a first tray in a sliding connection mode, a first locking nut is sleeved on the outer surface of the pressure-yielding pipe and close to the first tray, a flange plate is sleeved on the outer surface of one end, far away from the anchoring head, of the pressure-yielding pipe, through holes are formed in the periphery of the outer surface of the flange plate, a second tray is sleeved on the outer surface of one end, far away from the anchoring head, of the anchor cable body, a counter bore corresponding to the through holes is formed in one side, far away from the flange plate, of the outer surface of the second tray is provided with a counter bore corresponding to the through, the anchor cable comprises an anchor cable body and is characterized in that a fixing nut which is connected through thread rotation is sleeved on the outer surface of one end, penetrating through a through hole, of the fixing bolt, a fixedly connected anchor is sleeved on the outer surface of the anchor cable body and close to the second tray, one side of the outer surface of the anchor is in contact with the outer surface of the second tray, and sealing gaskets are arranged inside two ends of the pressure pipe.

As a further description of the above technical solution:

and one end of the anchoring head, which is far away from the anchor cable body, is fixedly connected with an anchoring agent stirring head.

As a further description of the above technical solution:

and the first locking nut and the flange plate are rotatably connected with the outer surface of the yielding pipe through threads.

As a further description of the above technical solution:

let a section surface cover that the pressure tube is located between ring flange and the first lock nut be equipped with the second lock nut who rotates the connection through the screw thread, just second lock nut contacts with the ring flange.

As a further description of the above technical solution:

the sealing gasket is sleeved on the outer surface of the anchor cable body and is in sliding connection with the anchor cable body.

As a further description of the above technical solution:

let the both ends of pressure spring contact with the surface of ring flange and second tray respectively.

The utility model discloses following beneficial effect has:

the mining yielding anchor cable comprises a yielding pipe, a first tray, a flange plate, a fixing bolt, a yielding spring and a second tray, wherein when rock soil is deformed, the rock soil presses the yielding pipe and the first tray, the first tray performs first buffering, and the yielding pipe slides on an anchor cable body, so that the flange plate is driven to compress the yielding spring, the yielding spring is supported by the second tray to realize compression buffering, further buffering is performed, the yielding effect is achieved, the anchor cable body can be prevented from being fractured, the service life of the anchor cable is greatly prolonged, when the yielding spring is damaged and needs to be replaced, the fixing bolt can be taken down only by screwing down a fixing nut, so that the yielding spring is taken down, then a new yielding spring is sleeved on the fixing bolt, the fixing can be realized by the fixing nut, the operation is simple, and the maintenance of the yielding anchor cable is greatly facilitated, and meanwhile, the cost is saved.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlargement at B in fig. 1.

Illustration of the drawings:

1. an anchor cable body; 2. an anchoring head; 3. an anchoring agent stirring head; 4. pressing the pipe; 5. a first tray; 6. a first lock nut; 7. a flange plate; 8. a through hole; 9. a second tray; 10. a countersunk hole; 11. fixing the bolt; 12. a pressure relief spring; 13. fixing a nut; 14. an anchorage device; 15. a second lock nut; 16. and a gasket.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a mining yielding anchor cable comprises an anchor cable body 1, wherein one end of the anchor cable body 1 is fixedly connected with an anchoring head 2, the outer surface of the anchor cable body 1, which is close to the anchoring head 2, is sleeved with a yielding pipe 4 in a sliding manner, the outer surface of one end, which is far away from the anchoring head 2, of the yielding pipe 4 is sleeved with a first tray 5 in a sliding manner, the outer surface of the yielding pipe 4, which is close to the first tray 5, is sleeved with a first locking nut 6, the outer surface of one end, which is far away from the anchoring head 2, of the yielding pipe 4 is sleeved with a flange plate 7, through holes 8 are formed around the outer surface of the flange plate 7, the outer surface of one end, which is far away from the anchoring head 2, of the anchor cable body 1 is sleeved with a second tray 9, one side, which is far away from the flange plate 7, of the outer surface of the second tray 9 is provided, one section of surface cover that fixing bolt 11 is located between ring flange 7 and the second tray 9 is equipped with lets pressure spring 12, fixing bolt 11 runs through-hole 8 one end surface cover is equipped with and rotates the fixation nut 13 of connecting through the screw thread, the surface of anchor rope body 1 and the position cover that is close to second tray 9 establish fixedly connected with ground tackle 14, surface one side of ground tackle 14 contacts with the surface of second tray 9, let the inside sealed pad 16 that all is equipped with in both ends of pressing pipe 4.

One end of the anchoring head 2, which is far away from the anchor cable body 1, is fixedly connected with an anchoring agent stirring head 3, and the anchoring agent stirring head 3 is regarded as convenient for fully stirring the anchoring agent, so that the anchor cable can be stably fixed; the first locking nut 6 and the flange plate 7 are rotatably connected with the outer surface of the pressure relieving pipe 4 through threads, and are convenient to detach and mount through threaded connection; a section of outer surface of the pressure pipe 4, which is positioned between the flange plate 7 and the first locking nut 6, is sleeved with a second locking nut 15 which is rotatably connected through threads, the second locking nut 15 is in contact with the flange plate 7, and the second locking nut 15 is used for avoiding the rotation of the flange plate 7; the sealing gasket 16 is sleeved on the outer surface of the anchor cable body 1 and is in sliding connection with the anchor cable body 1, and the sealing gasket 16 is used for avoiding the situation that impurities enter the pressure yielding pipe 4 so as to prevent the pressure yielding pipe 4 from moving; the two ends of the yielding spring 12 are respectively contacted with the outer surfaces of the flange 7 and the second tray 9, so that the yielding spring 12 can fully act.

The working principle is as follows: when the mining yielding anchor cable is used, when rock soil is deformed, the rock soil presses the yielding pipe 4 and the first tray 5, the first tray 5 performs first buffering, the yielding pipe 4 slides on the anchor cable body 1 at the same time, thereby driving the flange 7 to compress the yielding spring 12, realizing compression and buffering of the yielding spring 12 under the support of the second tray 9, further buffering, thereby playing the role of yielding, thereby avoiding the fracture of the anchor cable body 1, greatly prolonging the service life of the anchor cable, only needing to screw off the fixing nut 13 when the pressure-relieving spring 12 is damaged and needs to be replaced, the fixing bolt 11 can be taken down, so that the pressure-yielding spring 12 is taken down, and then a new pressure-yielding spring 12 is sleeved on the fixing bolt 11, the anchor cable fixing device is simple to operate, maintenance of the yielding anchor cable is greatly facilitated, and meanwhile cost is saved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Mining pressure anchor rope of letting, including anchor rope body (1), its characterized in that: the anchor cable comprises an anchor cable body (1), wherein one end of the anchor cable body (1) is fixedly connected with an anchor head (2), the outer surface of the anchor cable body (1) close to the position of the anchor head (2) is sleeved with a pressure pipe (4), the outer surface of one end of the pressure pipe (4) far away from the anchor head (2) is sleeved with a first tray (5), the outer surface of the pressure pipe (4) close to the first tray (5) is sleeved with a first locking nut (6), the outer surface of one end of the pressure pipe (4) far away from the anchor head (2) is sleeved with a flange plate (7), through holes (8) are formed around the outer surface of the flange plate (7), a second tray (9) is sleeved on the outer surface of one end of the anchor cable body (1) far away from the anchor head (2), one side of the outer surface of the second tray (9) far away from the flange plate (7) is provided with a countersunk, the inside through connection of counter bore (10) has fixing bolt (11), the other end of fixing bolt (11) runs through-hole (8) and extends to the outside, one section surface cover that fixing bolt (11) are located between ring flange (7) and second tray (9) is equipped with lets pressure spring (12), fixing bolt (11) run through one end surface cover of through-hole (8) is equipped with fixation nut (13) of connecting through the screw thread rotation, fixedly connected with ground tackle (14) is established to the surface of anchor rope body (1) and the position cover that is close to second tray (9), the surface one side of ground tackle (14) contacts with the surface of second tray (9), let the inside sealed pad (16) that all is equipped with in both ends of pressing pipe (4).

2. The mining yielding anchor cable of claim 1, wherein: and one end of the anchoring head (2) far away from the anchor cable body (1) is fixedly connected with an anchoring agent stirring head (3).

3. The mining yielding anchor cable of claim 1, wherein: the first locking nut (6) and the flange plate (7) are rotatably connected with the outer surface of the pressure relief pipe (4) through threads.

4. The mining yielding anchor cable of claim 1, wherein: let one section surface cover that presses pipe (4) to be located between ring flange (7) and first lock nut (6) be equipped with through screw thread rotation connection second lock nut (15), just second lock nut (15) contact with ring flange (7).

5. The mining yielding anchor cable of claim 1, wherein: the sealing gasket (16) is sleeved on the outer surface of the anchor cable body (1) and is in sliding connection with the anchor cable body (1).

6. The mining yielding anchor cable of claim 1, wherein: and two ends of the yielding spring (12) are respectively contacted with the outer surfaces of the flange plate (7) and the second tray (9).