CN213540449U - Anchor rod with self-fracture monitoring function - Google Patents

Abstract

The utility model discloses an anchor rod with monitor self fracture function, include the stock body and set up in the tray of stock body tail end, a serial communication port, stock body tail end still is provided with the elastic component, can follow the axial displacement of the stock body and be used for the locating part that restriction elastic component position was used for and be used for connecting stock and anchor position and prevent the tractive spare that the stock after the fracture drops after the fracture with the stock after pulling the fracture, the elastic component sets up between tray and locating part, behind stock and the anchor position is connected to the tractive spare, the allowance that the elastic component popped out the stock after stock and the anchor position is left to the tractive spare between stock and the anchor position. This stock is after breaking off, and the stock can pop out under the effect of elastic component elasticity, and the stock that is popped out is held to the tractive spare, and whether the stock fracture can be judged according to the stock in the outward appearance of anchor position to the inspection personnel, and is simple quick, and the stock after the fracture is held by the tractive spare, can effectively avoid the stock to drop because of the fracture to staff and instrument and equipment's damage.

Description

Anchor rod with self-fracture monitoring function

Technical Field

The utility model belongs to the technical field of the stock fracture monitoring, specifically speaking relates to a stock with monitoring self fracture function.

Background

At present, most of the support modes of coal mine tunnel roofs in China adopt anchor rod anchoring modes, anchor rods comprise anchor rod bodies and trays arranged at the tail ends of the anchor rod bodies, the trays are arranged outside the tunnel roofs, the anchor rods have the potential problem that the anchor rods are broken inside anchoring rock strata under high ground stress, particularly under the conditions of mine earthquake and periodic pressure, and the anchor rods cannot be found in time after the breakage inside the anchoring rock strata, so that the repair of the anchor rods and the anchor cables is not timely, roof collapse accidents happen, and casualties are caused.

To the above-mentioned problem, put forward the utility model discloses specially.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a bolt with a function of monitoring self-fracture is proposed. In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anchor rod with monitor self fracture function, includes the anchor rod body and sets up in the tray of anchor rod body tail end, anchor rod body tail end still is provided with the elastic component, can follow the axial displacement of the anchor rod body and is used for the restriction the locating part of elastic component position with be used for connecting anchor rod and anchor position and prevent the tractive piece that the anchor rod after the fracture drops with the anchor rod after pulling the fracture, the elastic component set up in between tray and the locating part, after tractive piece connects anchor rod and anchor position, the allowance that the elastic component popped out the anchor rod after anchor rod fracture is left to tractive piece between anchor rod and the anchor position.

Preferably, the pulling member is disposed at an outermost end of the tail end of the anchor rod body, and the limiting member is adjacent to the pulling member.

Preferably, the elastic part is a spring, the limiting part is a nut, and the nut is in threaded connection with the anchor rod body.

Preferably, the pulling piece is a linear structure, the tail end of the anchor rod body is provided with a plurality of mounting holes distributed at intervals along the axial direction of the anchor rod body, the pulling piece penetrates through one of the mounting holes, and two ends of the pulling piece are used for being connected with an anchoring position.

Preferably, the pulling element is a wire or a steel wire.

Preferably, the traction piece comprises a traction nut and a traction rope arranged on the traction nut, the traction nut is in threaded connection with the anchor rod body, the middle of the traction rope is connected to the traction nut, and two ends of the traction rope are used for being connected with an anchoring position.

Preferably, the pulling rope is an iron wire or a steel wire.

Has the advantages that:

the utility model provides an anchor rod with the function of monitoring self-fracture, after the anchor rod is anchored at the anchoring position, the elastic element is compressed between the limiting element and the tray, the traction element is connected with the anchor rod and the anchoring position, and the traction piece between the anchor rod and the anchoring position is provided with a margin for the elastic piece to eject the anchor rod after the anchor rod is broken, under the action of the elastic force of the elastic part, the anchor rod is ejected from the anchoring position, the pulling part pulls the ejected anchor rod, at the moment, although the anchor rod is pulled by the pulling part, but the traction piece between the anchor rod and the anchoring position is tensioned without allowance, the length of the tail end of the anchor rod exposed out of the anchoring position is obviously increased, the inspector can judge whether the anchor rod is broken according to the appearance of the anchor rod at the anchoring position, the operation is simple and quick, the broken anchor rod is pulled by the pulling piece, so that the damage to workers and instrument equipment caused by the falling of the anchor rod due to the breakage can be effectively avoided; secondly, the arrangement of the elastic piece can enable the anchor rod with slight fracture to be popped out of the anchoring position, so that the fracture of the anchor rod can be found in time and repaired in time, the roof fall accident can be effectively avoided, and casualties are reduced.

Drawings

Fig. 1 is the utility model discloses the structure schematic diagram of stock with monitor self fracture function.

In the figure: 1. an anchor rod body; 2. a tray; 3. a limiting member; 4. an elastic member; 5. a pulling member; 6. and (7) installing holes.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.

Example 1

As shown in fig. 1, the anchor rod with a function of monitoring self fracture provided in this embodiment includes an anchor rod body 1 and a tray 2 disposed at the tail end of the anchor rod body 1, the tail end of the anchor rod body 1 is further provided with an elastic member 4, a limiting member 3 capable of moving along the axial direction of the anchor rod body 1 to limit the position of the elastic member 4, and a pulling member 5 for connecting the anchor rod and the anchoring position to pull the fractured anchor rod to prevent the fractured anchor rod from falling off, the elastic member 4 is disposed between the tray 2 and the limiting member 3, the pulling member 5 is disposed at the outermost end of the tail end of the anchor rod body 1, and the limiting member 3 is adjacent to the pulling member 5.

In this embodiment, the elastic member 4 is a spring, the limiting member 3 is a nut, the nut is in threaded connection with the anchor rod body 1, the nut cooperates with the tray 2 to limit the spring between the nut and the tray 2, and after the anchor rod is anchored at the anchoring position, the nut cooperates with the tray 2 to compress the spring between the nut and the tray 2.

The pulling member 5 is a wire-shaped structure, preferably a wire or a steel wire, and in this embodiment, the pulling member is selected to be a wire. The tail end of the anchor rod body 1 is provided with a plurality of mounting holes 6 which are distributed along the axial direction of the anchor rod body 1 at intervals, after the anchor rod is anchored in the anchoring position, at least one mounting hole is positioned on the outer side of the limiting part 3, the iron wire penetrates through one of the mounting holes 6 positioned on the outer side of the limiting part 3, two ends of the iron wire are used for being connected with the anchoring position, and the iron wire is convenient to be connected with the anchoring position.

When the anchor rod is anchored at the anchoring position, the traction piece 5 is connected with the anchor rod and the anchoring position, the traction piece 5, namely the iron wire, penetrates through one of the mounting holes 6 positioned at the outer side of the limiting piece 3, two ends of the iron wire are connected with the anchoring position of the anchor rod, the traction piece between the anchor rod and the anchoring position is provided with a margin for the elastic piece to eject the anchor rod after the anchor rod is broken, when the anchor rod is broken, under the action of the elastic force of the elastic part, the anchor rod is ejected from the anchoring position, the pulling part pulls the ejected anchor rod, at the moment, although the anchor rod is pulled by the pulling part, but the traction piece between the anchor rod and the anchoring position is tensioned without allowance, the length of the tail end of the anchor rod exposed out of the anchoring position is obviously increased, the inspector can judge whether the anchor rod is broken according to the appearance of the anchor rod at the anchoring position, the operation is simple and quick, and the stock after fracture is held by the tractive spare, can effectively avoid the stock to drop because of the fracture to staff and instrument and equipment's damage.

Example 2

The utility model discloses still provide another kind and have the stock of monitoring self fracture function, in this embodiment, the stock that has monitoring self fracture function and the stock that has monitoring self fracture function of embodiment 1 be the same roughly, the difference is: the traction part comprises a traction nut and a traction rope arranged on the traction nut, the traction nut is in threaded connection with the anchor rod body, the middle of the traction rope is connected to the traction nut, two ends of the traction rope are used for being connected with anchoring positions, and the traction rope is preferably an iron wire or a steel wire.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an anchor rod with monitor self fracture function, includes the anchor rod body and sets up in the tray of anchor rod body tail end, its characterized in that, anchor rod body tail end still is provided with the elastic component, can follow the axial displacement of the anchor rod body and be used for the restriction the locating part of elastic component position with be used for connecting anchor rod and anchor position and prevent the tractive piece that the anchor rod after the fracture drops with the anchor rod after pulling fracture, the elastic component set up in between tray and the locating part, after anchor rod and anchor position are connected to the tractive piece, the tractive piece between anchor rod and the anchor position leaves the surplus that supplies anchor rod fracture back elastic component to pop out the anchor rod.

2. The anchor rod with the self-fracture monitoring function according to claim 1, wherein the pulling member is disposed at an outermost end of the tail end of the anchor rod body, and the limiting member is adjacent to the pulling member.

3. An anchor rod with a self-fracture monitoring function according to claim 2, wherein the elastic member is a spring, the limiting member is a nut, and the nut is in threaded connection with the anchor rod body.

4. A rock bolt with a function of monitoring self-fracture according to claim 1, 2 or 3, wherein the pulling member is a linear structure, the tail end of the rock bolt body is provided with a plurality of mounting holes which are distributed at intervals along the axial direction of the rock bolt body, the pulling member passes through one of the mounting holes, and two ends of the pulling member are used for connecting anchoring positions.

5. A rock bolt with a function of monitoring self-fracture according to claim 4, wherein the pulling piece is a wire or a steel wire.

6. A rock bolt with a function of monitoring self-fracture according to claim 1, 2 or 3, wherein the pulling piece comprises a pulling nut and a pulling rope arranged on the pulling nut, the pulling nut is in threaded connection with the rock bolt body, the middle part of the pulling rope is connected to the pulling nut, and two ends of the pulling rope are used for connecting anchoring positions.

7. A rock bolt with a function of monitoring self-fracture according to claim 6, wherein the pulling rope is a wire or a steel wire.

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