CN220150300U

CN220150300U - Novel slope protection cement cartridge anchor rod

Info

Publication number: CN220150300U
Application number: CN202321544963.9U
Authority: CN
Inventors: 陈宇航; 汪文波; 赖计学
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-08
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a novel slope protection cement cartridge anchor rod, which belongs to the technical field of slope support and comprises an anchor rod body, a cement cartridge arranged outside the anchor rod body and a conical anchor head connected to the bottom of the anchor rod body, wherein the anchor rod body is provided with a self-tightening mechanism, the self-tightening mechanism comprises a joint arranged at the bottom of the anchor rod body, a butt joint opening at the top of the anchor rod body, a plurality of clamping grooves formed on the side edges of the joint, and a through groove formed on the side edges of the butt joint opening and penetrating through the anchor rod body, the clamping grooves are correspondingly matched with the through groove, a clamping block is arranged in the through groove, the length of the clamping block is larger than the sum of the lengths of the through groove and the clamping groove, and a layer of sealing sleeve I is arranged outside the cement cartridge. According to the utility model, by arranging the self-tightening mechanism, the tensile strength of the anchor rod is improved by means of the connection resistance between the joint and the butt joint.

Description

Novel slope protection cement cartridge anchor rod

Technical Field

The utility model belongs to the technical field of side slope support, and particularly relates to a novel side slope protection cement cartridge anchor rod.

Background

The side slope support is to guarantee the safety of side slope and its environment, and the support, reinforcement and safeguard measure that take to the side slope, and the support structure type that commonly used has: gravity type retaining wall, buttress type retaining wall, cantilever type supporting, plate rib type or lattice type anchor rod retaining wall supporting, row pile type anchor rod retaining wall supporting, anchor spraying supporting, slope rate method and the like, wherein the anchor rod supporting is widely used due to the advantages of low cost, good supporting effect, simplicity and convenience in operation, flexibility in use, small occupied construction clearance and the like.

The anchor bolt support is to anchor one end of an anchor bolt in a foundation pit slope, apply axial prestress to the anchor bolt outside the foundation pit slope, and restrict soil slump or collapse on the surface of the foundation pit slope through components such as a backing plate. However, as the friction force applied by soil to the common anchor rod can not enable the anchor rod to move along the tensile force, the rear end of the anchor rod can be separated from the soil body of the foundation pit slope when the soil body of the foundation pit slope is slumped or sagged, and the anchor rod supporting effect is greatly reduced; and the ordinary stock is as disposable engineering technical apparatus, generally can wholly stay in country rock or soil body after the engineering finishes, and in the in-process that uses whole stock, the part that stands out domatic can cause the obstacle to slope protection panel and other processes, is unfavorable for the construction.

Disclosure of Invention

In order to solve the technical problems, the inventor obtains the technical scheme of the utility model through practice and summary, the utility model discloses a novel side slope protection cement cartridge anchor rod, which comprises an anchor rod body, a cement cartridge arranged outside the anchor rod body and a conical anchor head connected to the bottom of the anchor rod body, wherein a self-tightening mechanism is arranged on the anchor rod body and comprises a joint arranged at the bottom of the anchor rod body, a butt joint opening at the top of the anchor rod body, a plurality of clamping grooves arranged on the side edges of the joint, and a through groove arranged on the side edges of the butt joint opening and penetrating the anchor rod body, the clamping grooves are correspondingly matched with the through groove, a clamping block is arranged in the through groove, the length of the clamping block is larger than the sum of the lengths of the through groove and the clamping groove, and a layer of sealing sleeve I is arranged outside the cement cartridge to play a role in preventing the cement cartridge from being wetted and failing.

The cement cartridge is arranged in a ring shape, is filled with a water-immersed cement anchoring agent, expands in volume, increases in diameter and improves in strength after being immersed in water, and is wrapped with an anchor rod body to form an integral structure to fill and compact an anchor hole, so that anchoring force is generated.

In the scheme of the utility model, the middle part of the top end of the conical anchor head is provided with an inserting port matched with the joint.

In the scheme of the utility model, the top size of the conical anchor head is the same as the size of the anchor body sleeved with the cement cartridge and the sealing sleeve I.

In the scheme of the utility model, the anchor rod body above the cement cartridge is sleeved with a base plate, and the anchor rod body at the top of the base plate is sleeved with a nut to play a role in supporting the stress of the end part.

In the scheme of the utility model, the anchor rod body between the backing plate and the cement cartridge is provided with the sealing sleeve II which plays a role in sealing the anchor hole.

In the scheme of the utility model, the second sealing sleeve is made of rubber materials, the outer side of the sealing sleeve is provided with external threads, and the external threads are inclined to one side of the backing plate from the thread root to the thread end.

Compared with the prior art, the utility model has the following beneficial effects:

according to the novel slope protection cement cartridge anchor rod, the self-tightening mechanism is arranged, the tensile strength of the anchor rod is improved by means of the connection resistance between the joint and the butt joint, the use stability of engineering construction is improved, and the supporting effect is greatly enhanced; and after the engineering is finished, the rear end nut rod and the anchorage device can be recycled, the next construction is not influenced, the cost is effectively saved, and the method has good use and popularization values.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic view of a joint according to the present utility model;

FIG. 4 is a schematic view of the construction of a tapered anchor head according to the present utility model;

fig. 5 is a schematic structural view of the self-tightening mechanism in the present utility model.

Detailed Description

The principles of the utility model will be further described with reference to the drawings and specific examples.

Examples

1-5, a novel slope protection cement cartridge anchor rod is composed of an anchor rod body 1, a cement cartridge 2, a conical anchor head 3, a backing plate 4 and a nut 5;

the self-tightening mechanism is arranged on the anchor rod body 1 of the anchor rod body 1 and consists of a joint 11, a butt joint opening 12, two clamping grooves 14 and two through grooves, wherein the joint 11 adopts an external thread joint and is integrally formed at the bottom of the anchor rod body 1, the butt joint opening 12 is arranged at the top of the anchor rod body 1 and is in butt joint with internal threads matched with the external thread joint, the two clamping grooves 14 are symmetrically arranged at two sides of the joint 11, the two through grooves are symmetrically arranged at two sides of the butt joint opening 12 and penetrate through the anchor rod body 1, the clamping grooves 14 are correspondingly matched with the through grooves, meanwhile, a clamping block 13 is arranged in the through grooves, the length of the clamping block 13 is larger than the sum of the lengths of the through grooves and the clamping grooves 14, the joint 11 and the butt joint opening 12 are matched, so that the anchor rod body 1 can be freely assembled, the tensile strength is improved by virtue of the connection resistance between the joint 11 and the butt joint opening 12, the stability of the use of an engineering building is improved, and the anchor rod body 1 which is assembled by pushing the clamping block 13 into the through grooves and the clamping grooves 14; the cement cartridge 2 is arranged outside the anchor rod body 1, the cement cartridge 2 is in annular arrangement, a water-immersed cement anchoring agent is arranged in the cement cartridge 2, the volume of the cement cartridge is expanded, the diameter of the cement cartridge is enlarged, the strength of the cement cartridge is improved after the cement cartridge is immersed, the cement cartridge is wrapped with the anchor rod body 1 to form an integral structure, the anchor hole is filled and compacted, the anchoring force is generated, meanwhile, a layer of sealing sleeve 21 is sleeved outside the cement cartridge 2, the anchor rod body 1 and the cement cartridge 2 are packaged, and the cement cartridge is effectively prevented from being wetted and losing efficacy; the conical anchor head 3 is positioned at the bottom of the anchor body 1, the conical design can reduce the friction resistance of the anchor rod entering the anchor hole, the middle part of the top end of the conical anchor head 3 is provided with a plug-in port 31 matched with the joint 11, and the top size of the conical anchor head 3 is the same as the size of the anchor body 1 sleeved with the cement cartridge 2 and the sealing sleeve 21.

The backing plate 4 and the nut 5 are all sleeved at the upper end of the anchor rod body 1, the backing plate 4 and the nut 5 mainly play the role of supporting the end part under stress, the backing plate 4 is located above the cement cartridge 2, the nut 5 is located above the backing plate 4 and clings to the top of the backing plate 4, meanwhile, a sealing sleeve II 6 is arranged at the position, located between the backing plate 4 and the cement cartridge 2, on the anchor rod body 1, the sealing sleeve II 6 is made of rubber materials and plays the role of sealing an anchor hole, external threads are arranged on the outer side of the sealing sleeve II 6, and the external threads are all inclined to one side of the backing plate 4 from the root part of the threads to the end part of the threads.

The specific operation steps are as follows: firstly, drilling holes on a protection (support) working surface according to the depth of a designed anchor hole, and cleaning the holes after the drilling holes are completed; then the anchor rod is taken out from the first sealing sleeve 21 and is soaked in water, and the anchor rod is fully wetted until the cement cartridge 2 does not bubble in the water; then, the rod body at the end part of the anchor rod is held, and the anchor rod is inserted into the anchor hole to the designed depth; after the cement roll 2 of the anchor rod is solidified, the nut 5 on the anchor rod body 1 is adjusted, and the backing plate 4 is installed and fastened.

Claims

1. The utility model provides a novel side slope protection cement cartridge stock which characterized in that: including stock body (1), set up in the outside cement cartridge (2) of stock body (1) to and connect conical anchor head (3) in stock body (1) bottom, be equipped with self-tightening mechanism on stock body (1), self-tightening mechanism is including setting up in joint (11) of stock body (1) bottom, offer in butt joint mouth (12) at stock body (1) top, offer in a plurality of draw-in grooves (14) of joint (11) side to and offer in the logical groove that sets up to interface (12) side, run through stock body (1), draw-in groove (14) correspond the cooperation with logical groove, be equipped with fixture block (13) in the logical groove, fixture block (13) length is greater than the sum of the length of logical groove and draw-in groove (14), cement cartridge (2) outside is equipped with one deck seal cover (21).

2. The novel slope protection cement cartridge anchor of claim 1, wherein: the cement cartridge (2) is in annular arrangement, a water-immersed cement anchoring agent is arranged in the cement cartridge, and after the cement cartridge is immersed in water, the cement cartridge is expanded in volume and wrapped with the anchor rod body (1) in a wrapping manner to form an integral structure, so that the anchor hole is filled tightly.

3. The novel slope protection cement cartridge anchor of claim 2, wherein: the middle part of the top end of the conical anchor head (3) is provided with a plug-in port (31) matched with the joint (11).

4. A novel slope protection cement cartridge anchor according to claim 3, wherein: the top size of the conical anchor head (3) is the same as the size of the anchor body (1) sleeved with the cement cartridge (2) and the sealing sleeve I (21).

5. The novel slope protection cement cartridge anchor of claim 1, wherein: the anchor rod body (1) positioned above the cement cartridge (2) is sleeved with a base plate (4), and the anchor rod body (1) positioned at the top of the base plate (4) is sleeved with a nut (5).

6. The novel slope protection cement cartridge anchor of claim 1, wherein: and a sealing sleeve II (6) is arranged on the anchor rod body (1) between the backing plate (4) and the cement cartridge (2).

7. The novel slope protection cement cartridge anchor of claim 6, wherein: the second sealing sleeve (6) is made of rubber materials, external threads are arranged on the outer side of the second sealing sleeve (6), and the external threads are inclined to one side of the backing plate (4) from the root of the threads to the end of the threads.