CN213978999U

CN213978999U - High slope initiative protection network fixing device

Info

Publication number: CN213978999U
Application number: CN202022490884.7U
Authority: CN
Inventors: 郭利雄; 郭利泉
Original assignee: Guangdong Benjiang Water Conservancy Construction Co ltd
Current assignee: Guangdong Benjiang Water Conservancy Construction Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-17
Anticipated expiration: 2030-11-02

Abstract

The utility model provides a high slope initiative protection network fixing device, including the shell drill bit that rises, the upper end of the shell drill bit that rises is fixed with the body of rod, the surface of the body of rod is rotated through the screw thread and is connected with the nut, the below of nut is rotated through the screw thread in the surface position department of the body of rod and is connected with the adapter sleeve, the below of backing plate is rotated through the screw thread in the surface position department of the body of rod and is connected with the adapter sleeve, the utility model discloses there is the inside spacing collar of adapter sleeve, the position of the restriction body of rod that can be fine, the unable contact of the body of rod about making, with the inside mutual intercommunication of spacing collar of body of rod contact, make the leading-in concrete can be fine connect at the internal surface of the body of rod and spacing collar, the stability that increases between adapter sleeve and the body of rod after the shaping can be fine guarantees fixing device.

Description

High slope initiative protection network fixing device

Technical Field

The utility model relates to an engineering apparatus field especially relates to a high slope initiative protection network fixing device.

Background

The anchor rod is the most basic component of roadway support in the contemporary coal mine, and consolidates the surrounding rocks of the roadway to support the surrounding rocks, the anchor rod is not only used for mines, but also used in engineering technology to carry out main body reinforcement on side slopes, tunnels and dams, the anchor rod is used as a tension member deep into the stratum, one end of the anchor rod is connected with an engineering structure, the other end of the anchor rod is deep into the stratum, the whole anchor rod is divided into a free section and an anchoring section, the free section is an area for transmitting the tension at the head of the anchor rod to the anchoring body, and the anchor rod has the function of applying prestress to the anchor rod.

But because fixing device need guarantee the fixed stability of stock through pouring cement to stock inside when using, and the adapter sleeve passes through threaded connection on the stock surface, leads to cement not to contact with the adapter sleeve, influences the fixed strength of stock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high slope initiative protection network fixing device to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a high slope initiative protection network fixing device, is including rising the shell drill bit, the upper end that rises the shell drill bit is fixed with the body of rod, the surface of the body of rod is rotated through the screw thread and is connected with the nut, the below of nut is rotated through the screw thread in the surface position department of the body of rod and is connected with the backing plate, the below of backing plate is rotated through the screw thread in the surface position department of the body of rod and is connected with the adapter sleeve, the adapter sleeve is including the cover body, the internal surface mounting of the cover body has the spacing circle.

Preferably, the inner surface of the sleeve body is provided with threads and is screwed with the threads on the surface of the rod body, and the diameter of the inner surface of the limiting ring is equal to that of the inner surface of the rod body.

Preferably, the diameter of the outer surface of the shell expansion drill bit is larger than that of the outer surface of the rod body, and the outer surface of the connecting sleeve is provided with a hexagonal bulge.

Preferably, the backing plate comprises a plate body, a deformation ring is fixed at the front end of the plate body, a telescopic rod is fixed on the inner surface of the deformation ring, an air pressure cavity is sleeved at one end of the telescopic rod, and an inner ring is fixed at one end of the air pressure cavity.

Preferably, the inner surface of the air pressure cavity is provided with high-pressure gas, and the deformation ring is made of synthetic rubber.

Preferably, the front end of the deformation ring is provided with a blocking plate, and the inner surface of the inner ring is provided with threads and is screwed with the surface threads of the rod body.

The utility model has the advantages that:

1. the utility model discloses there is the inside spacing collar of adapter sleeve, the unable contact of the restriction body of rod about the messenger, with the inside mutual intercommunication of the spacing collar of body of rod contact, make the internal surface of connection at the body of rod and spacing collar that leading-in concrete ability is fine, and fixing device's normal use is guaranteed to the stability between increase adapter sleeve and the body of rod that the concrete after the shaping can be fine.

2. The utility model discloses there is the deformation circle on backing plate surface, through the position of the high-pressure gas restriction telescopic link of atmospheric pressure intracavity portion, pulling of the body of rod can be fine drive the inner circle and remove, makes deformation circle extrusion on the concrete surface, and the telescopic link is to the position of the fine change inner circle of atmospheric pressure intracavity portion flexible ability to avoid fixed backing plate to cause the concrete surface to damage.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the connecting sleeve of the present invention;

fig. 3 is a schematic structural view of the backing plate of the present invention;

reference numerals: 1. a rod body; 2. a base plate; 3. connecting sleeves; 4. a shell expanding drill bit; 5. a nut; 21. a pneumatic chamber; 22. deformation rings; 23. a telescopic rod; 24. an inner ring; 25. a plate body; 31. a sleeve body; 32. a limiting ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, a high slope active protective net fixing device comprises a tension casing drill bit 4, a rod body 1 is fixed at the upper end of the tension casing drill bit 4, a nut 5 is rotatably connected to the outer surface of the rod body 1 through threads, a backing plate 2 is rotatably connected to the lower side of the nut 5 at the outer surface of the rod body 1 through threads, a connecting sleeve 3 is rotatably connected to the lower side of the backing plate 2 at the outer surface of the rod body 1 through threads, the connecting sleeve 3 comprises a sleeve body 31, and a limiting ring 32 is fixed on the inner surface of the sleeve body 31.

Aligning a rod body 1 to an opening on the surface of a connecting sleeve 3, inserting a movable rod body 1 into the connecting sleeve 3 and rotating the rod body 1, screwing threads on the surface of the rod body 1 with threads on the surface of a sleeve body 31, fixing the rod body 1 on the surface of the sleeve body 31, rotating the rod body 1 to move the rod body 1 in the sleeve body 31 until the rod body 1 extrudes the surface of a limiting ring, wherein the limiting ring and the inner surface of the rod body 1 have the same diameter, so that concrete cannot be hindered from moving, placing the fixed rod body 1 at two ends in an excavated pot hole, fixing the rod body 1 by using an external tool to enable the rod body 1 to stand upright, pouring concrete into the pot hole, fixing the rod body 1 and an expansion shell drill bit 4 in the pot hole after the concrete is solidified, pouring the concrete into the rod body 1 to enable the concrete to enter through a hollow rod body 1, enabling the concrete to enter the limiting ring along the rod body 1, filling the middle position of the limiting ring, the stability of the fixing device is ensured.

Example 2

As shown in fig. 1-3, a high slope initiative protection network fixing device, including the shell drill 4 that rises, the upper end of the shell drill 4 that rises is fixed with the body of rod 1, the surface of the body of rod 1 is connected with nut 5 through the screw rotation, the below of nut 5 is connected with backing plate 2 through the screw rotation in the surface position department of the body of rod 1, the below of backing plate 2 is connected with adapter sleeve 3 through the screw rotation in the surface position department of the body of rod 1, backing plate 2 includes plate body 25, the front end of plate body 25 is fixed with deformation circle 22, the internal surface of deformation circle 22 is fixed with telescopic link 23, pneumatic chamber 21 has been cup jointed to the one end of telescopic link 23, the one end of pneumatic chamber 21 is fixed with inner circle 24.

Fixing device accomplishes to be connected with the haulage rope of protection network after fixed, when receiving dragging of haulage rope, the body of rod 1 is received for a long time and is dragged deformation and drive plate body 25 and remove, plate body 25 removes and drives deformation circle 22 and remove, deformation circle 22 removes and drives telescopic link 23 and remove, then telescopic link 23 extrudes the gas of atmospheric pressure chamber 21 inside, then the gaseous volume of atmospheric pressure chamber 21 inside diminishes, the deformation circle 22 deformation of synthetic rubber material is followed body of rod 1 and is removed, thereby avoid causing the damage to the concrete surface, guarantee the stable fixed of concrete.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high slope initiative protection network fixing device, includes shell drill bit (4) that rises, its characterized in that: the upper end of the shell expansion drill bit (4) is fixed with a rod body (1), the outer surface of the rod body (1) is connected with a nut (5) through thread rotation, a base plate (2) is connected to the lower portion of the nut (5) through thread rotation at the outer surface position of the rod body (1), a connecting sleeve (3) is connected to the lower portion of the base plate (2) through thread rotation at the outer surface position of the rod body (1), the connecting sleeve (3) comprises a sleeve body (31), and a limiting ring (32) is fixed to the inner surface of the sleeve body (31).

2. The high slope active protective screening fixing device of claim 1, characterized in that: the inner surface of the sleeve body (31) is provided with threads and is screwed with the threads on the surface of the rod body (1), and the diameter of the inner surface of the limiting ring (32) is equal to that of the inner surface of the rod body (1).

3. The high slope active protective screening fixing device of claim 2, characterized in that: the outer surface diameter of the shell expansion drill bit (4) is larger than that of the rod body (1), and the outer surface of the connecting sleeve (3) is provided with a hexagonal bulge.

4. The high slope active protective screening fixing device of claim 1, characterized in that: the backing plate (2) comprises a plate body (25), a deformation ring (22) is fixed at the front end of the plate body (25), an expansion rod (23) is fixed on the inner surface of the deformation ring (22), an air pressure cavity (21) is sleeved at one end of the expansion rod (23), and an inner ring (24) is fixed at one end of the air pressure cavity (21).

5. The high slope active protection net fixing device according to claim 4, characterized in that: the inner surface of the air pressure cavity (21) is provided with high-pressure air, and the deformation ring (22) is made of synthetic rubber.

6. The high slope active protection net fixing device according to claim 5, characterized in that: the front end of the deformation ring (22) is provided with a blocking plate, and the inner surface of the inner ring (24) is provided with threads and is screwed with the surface threads of the rod body (1).