CN215520930U - Novel multi-functional inflation slip casting stock - Google Patents
Novel multi-functional inflation slip casting stock Download PDFInfo
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- CN215520930U CN215520930U CN202121056857.7U CN202121056857U CN215520930U CN 215520930 U CN215520930 U CN 215520930U CN 202121056857 U CN202121056857 U CN 202121056857U CN 215520930 U CN215520930 U CN 215520930U
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Abstract
The utility model discloses a novel multifunctional expansion grouting anchor rod, which comprises: the drilling rod comprises a rod body, wherein a hollow area with two ends penetrating through is arranged in the rod body, and one end of the rod body is connected with a drill bit through threads; the rubber check valve group is provided with a plurality of groups, the single group of rubber check valves consists of a plurality of rubber check valves, the plurality of rubber check valves are arranged on the same cross section of the rod body in a surrounding manner, and the rubber check valves are communicated with the inside of the rod body; the impact tray is arranged at one end of the rod body, which is far away from the drill bit, and a partition plate is arranged at the joint of the impact tray and the rod body; the extrusion structure is composed of an extrusion block and an extrusion hole. When grouting, the anchoring section is anchored in the stratum, the rod body and surrounding soil are solidified into a whole, the reinforcing effect is achieved, and the anchoring capability of the anchor rod is further enhanced by combining cement mortar.
Description
Technical Field
The utility model relates to the field of tunnel support construction, in particular to a novel multifunctional expansion grouting anchor rod.
Background
The anchor rod is the most basic component of roadway support in the contemporary coal mine, and reinforces the surrounding rocks of the roadway together, so that the surrounding rocks support themselves. The conventional anchor rod is not only used for mines, but also used in engineering technology for reinforcing main bodies of slopes, tunnels and dams. The anchor rod is used as a tension member penetrating into the stratum, one end of the anchor rod is connected with an engineering structure, the other end of the anchor rod penetrates 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 an anchoring body, and the function of the free section is to apply prestress on the anchor rod; the anchoring section is an area where the prestressed tendons and the soil layer are bonded by cement paste, the anchoring section has the functions of increasing the bonding friction effect of the anchoring body and the soil layer, increasing the bearing effect of the anchoring body and transmitting the pulling force of the free section to the deep part of the soil body, and the anchor rod is a rod piece system structure for reinforcing the rock and soil body.
The existing anchor rod is characterized in that a hole is formed in the rod body, cement mortar is discharged from the hole during grouting, and therefore the reinforcing effect is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel multifunctional expansion grouting anchor rod to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel multi-functional inflation slip casting stock includes:
the drilling rod comprises a rod body, wherein a hollow area with two ends penetrating through is arranged in the rod body, and one end of the rod body is connected with a drill bit through threads;
the rubber check valve group is provided with a plurality of groups, the single group of rubber check valves consists of a plurality of rubber check valves, the plurality of rubber check valves are arranged on the same cross section of the rod body in a surrounding manner, and the rubber check valves are communicated with the inside of the rod body;
the impact tray is arranged at one end of the rod body, which is far away from the drill bit, and a partition plate is arranged at the joint of the impact tray and the rod body;
the extrusion structure, the extrusion structure comprises extrusion piece and stretch out the hole, the extrusion piece is provided with the multiunit, the multiunit the extrusion piece is installed through the round pin axle equipartition on the inner wall of the body of rod, stretch out the hole equipartition and set up in the main part of the body of rod, just stretch out the hole with the extrusion piece one-to-one.
It can be understood that in the grouting process of the extrusion structure, the extrusion block integrally rotates around the pin shaft under the action of slurry until the end of the extrusion block, far away from the pin shaft, extends out of the extending hole and is inserted into a soil layer, so that the anchoring capability of the anchor rod is further enhanced.
Preferably, strike that the tray is inside to be constituteed by filling rubber granule, first protecting against shock pad and second protecting against shock pad, a terminal surface of first protecting against shock pad with the baffle butt, second protecting against shock pad is provided with two sets ofly, and two sets of second protecting against shock pads are installed in proper order from left to right.
Preferably, a grout stop plug is arranged at the joint of the partition plate and the rod body.
Preferably, the impact tray, the partition plate and the grout stop plug are connected through bolts.
Preferably, the extrusion block is composed of a connecting section and an anchoring section, one end of the connecting section is connected with the inner wall of the rod body through a pin shaft, the other end of the connecting section is fixedly connected with the anchoring section, and the diameter of one end, far away from the connecting section, of the anchoring section is smaller than the aperture of the extending hole.
The utility model provides a novel multifunctional expansion grouting anchor rod, which has the following beneficial effects:
according to the utility model, the extrusion structure is arranged, the extrusion block of the extrusion structure is connected with the inner wall of the rod body through the pin shaft, meanwhile, the rod body is provided with the extension hole, the extrusion block is attached together through the connection section before grouting, after the grouting is subjected to pressure, the extrusion block protrudes out of the extension hole of the rod body through the rotation of the pin shaft, and the anchoring section is anchored in the stratum, so that the rod body and the surrounding soil are solidified into a whole, the reinforcement effect is achieved, the anchoring capability of the anchor rod is further enhanced by combining cement mortar, the applicability capability of the anchor rod is enhanced, and in the grouting process, when a stone exists on the outer side of the anchor rod, the extrusion block can be abutted against the stone, the stone is relatively propped open, so that the blocking of the rubber one-way valve is effectively prevented; moreover, the utility model has the advantages of simple and convenient installation, convenient drill bit disassembly and strong field practicability.
Drawings
FIG. 1 is an overall cross-sectional view of the novel multi-functional expansive slip casting provided by the present invention;
FIG. 2 is a view of the external structure of the novel multifunctional expandable grouting rod body provided by the present invention;
fig. 3 is a concrete structure diagram of the novel multifunctional extrusion block for expansion grouting provided by the utility model.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the present invention provides the technical solutions: a novel multi-functional inflation slip casting stock includes:
the drilling tool comprises a rod body 1, wherein a hollow area 2 with two ends penetrating through is arranged inside the rod body 1, and one end of the rod body 1 is connected with a drill bit 3 through threads;
the rubber check valve group is provided with a plurality of groups, the single group of rubber check valves 4 consists of a plurality of rubber check valves 4, the plurality of rubber check valves 4 are arranged on the same cross section of the rod body 1 in a surrounding manner, and the rubber check valves 4 are communicated with the inside of the rod body 1;
the impact tray 5 is arranged at one end, far away from the drill bit 3, of the rod body 1, and a partition plate 6 is arranged at the joint of the impact tray 5 and the rod body 1;
the extrusion structure, the extrusion structure comprises extrusion piece 7 and extension hole 8, extrusion piece 7 is provided with the multiunit, multiunit extrusion piece 7 is installed through round pin axle 9 equipartition on the inner wall of the body of rod 1, it sets up to extend 8 equipartitions in the hole in the body of rod 1, just extend the hole 8 with extrusion piece 7 one-to-one.
In this embodiment, in the grouting process of the extrusion structure, the extrusion block integrally rotates around the pin shaft under the action of slurry until the end of the extrusion block far away from the pin shaft extends out of the extending hole and is inserted into the soil layer, so that the anchoring capability of the anchor rod is further enhanced
The joint of the clapboard 6 and the rod body 1 is provided with a grout stop plug 61.
The impact tray 5, the partition plate 6 and the grout stopper 61 are connected by bolts 54.
The extrusion block 7 is composed of a connecting section 71 and an anchoring section 72, one end of the connecting section 71 is connected with the inner wall of the rod body 1 through a pin shaft 9, the other end of the connecting section 71 is fixedly connected with the anchoring section 72, and the diameter of one end, far away from the connecting section 71, of the anchoring section 72 is smaller than the aperture of the extending hole 8.
The working principle is that a grouting anchor rod body 1 is installed on a drilling machine through a drill shank connector, the drilling machine is started, a drill bit 3 is enabled to drill in a specified construction site through the rotating grouting anchor rod body 1, after drilling is completed, a grout stop plug 61, a partition plate 6, an impact tray 5 and a bolt 54 are sequentially arranged, cement mortar is used for grouting in the grouting anchor rod body 1, grout flows out of a rubber one-way valve 4 through a hollow anchor rod during grouting, before grouting is conducted through an internal extrusion block 7, the grouting is attached together through a connecting section 71, after pressure is applied to the grouting, the grouting is rotated through a pin shaft 9 and protrudes out of an extending hole 8 of the anchor rod body 1, and an anchoring section 72 is anchored in the ground, so that the anchor rod body 1 and surrounding soil are solidified into a whole, and the effect of reinforcement is achieved.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056857.7U CN215520930U (en) | 2021-05-18 | 2021-05-18 | Novel multi-functional inflation slip casting stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121056857.7U CN215520930U (en) | 2021-05-18 | 2021-05-18 | Novel multi-functional inflation slip casting stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215520930U true CN215520930U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121056857.7U Active CN215520930U (en) | 2021-05-18 | 2021-05-18 | Novel multi-functional inflation slip casting stock |
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| CN (1) | CN215520930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117365597A (en) * | 2023-11-22 | 2024-01-09 | 山东焱鑫矿用材料加工有限公司 | Anti-breakage fine tooth anchor rod with rapid linkage combined assembly structure and use method |
-
2021
- 2021-05-18 CN CN202121056857.7U patent/CN215520930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117365597A (en) * | 2023-11-22 | 2024-01-09 | 山东焱鑫矿用材料加工有限公司 | Anti-breakage fine tooth anchor rod with rapid linkage combined assembly structure and use method |
| CN117365597B (en) * | 2023-11-22 | 2024-04-19 | 潍坊瑞利技术有限公司 | Anti-breakage fine tooth anchor rod with rapid linkage combined assembly structure and use method |
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