KR102426620B1 - Anchors for earth and rock formation - Google Patents

Abstract

The multipurpose lock bolt anchor of the present invention is an anchor head 20 comprising a cylindrical tube body with a screw portion 10-2 on the inside of the anchor body 10 made of a round bar and a conical wing extension portion 10-1 on the front end. ) when combined with the internal threaded part 20-2 and rotated, the conical wing extension 10-1 of the head of the anchor body 10 is the wing extension 22 of the wing 22 pre-assembled in the anchor head 20. -2) and the multi-stage pole 10-5 of the conical wing extension 10-1 of the anchor body 10 pushes the secondary wing extension 25, the wing extension 25-1 is the wing By pushing the wing extension (22-2) of (20), a number of multi-stage wings (22) are spread outward, and the wing teeth (22-1) firmly dig into the inner wall of the perforation hole and pierce the permanent anchor. The length and width of the wing 22 of the anchor is a multi-purpose anchor technology that can have different specifications depending on the type of rock and the type of soil.

Description

Anchors for earth and rock formation

The present invention relates to an anchor for preventing buoyancy in marine structure support foundation construction or underground foundation construction of high-rise buildings. It solves the problem of degradation, and is an eco-friendly mortar-free anchor that is firmly installed on the wall of the perforated hole in the soil and bedrock regardless of the mortar curing time.

As an anchor for preventing buoyancy in the construction of the foundation foundation for supporting offshore structures or the construction of the underground foundation of high-rise buildings, a single bundle is created by drilling a hole in the soil or rock so that the rock or soil and the permanent structure are firmly fixed. It's a technique to make it happen.

In order to install the anchor, after reviewing the structure of the soil, rock, and structure, drilling is made according to the spacing and specifications are determined. After it is fixed on the wall, the structure is inserted into the rear screw part, the acupressure plate is installed, and the nut is tightened so that the structure is integrated with the soil or rock.

However, all conventional anchors have used cement mortar, but there is a difference between the temperature in the hole of the underground soil and bedrock and the curing temperature of the cement mortar.

In addition, the existing anchor has a structure that is easily deformed by any external force even when the cement mortar filled in the rock hole is cured, even when it is combined with the outer peripheral surface of the anchor shaft. There is a limit to solving it, and there were many shortcomings to expect the anchor's support function.

In order to solve these shortcomings, a lot of time and money were invested to develop a claw type anchor, and the parties obtained the following invention patents.

Patent No. 10-1133431, Patent No. 10-1156501, and Patent No. 10-1376534 However, since the role of the one-step chaining group is insufficient, an anchor that serves as a chain group of multiple steps has been researched and developed.

Therefore, it is an object of the present invention that the elongation rate is close to zero for maximally utilizing the supporting power of the supporting structure of the offshore structure that requires strong force, for the underground excavation of high-rise buildings such as for slope protection construction, and for preventing the buoyancy of the old casting. is development.

It is an eco-friendly product that does not require cement mortar, which is essential for conventional anchor technology. It shortens the construction period, reduces construction costs, and assembles at the factory. If the teeth of the wings penetrated the wall of the drilling hole and played the role of a claw, the new anchor is an anchor that acts as a firm claw as the teeth of the multi-level wings penetrate the wall of the drilling hole.

In accordance with the above object, the present invention provides a wing 22 having teeth 22 -1 in a plurality of guide holes 20-3 formed in the anchor head 20 made of a cylindrical tube in an anchor for soil and rock. After insertion, the primary separation prevention device 26 is inserted and fixed in the anchor head 20 to guide and support the expansion blade 22 so as not to depart from the guide hole 20-3, and is screwed with the anchor head 20 A conical wing extension 10-1 is formed at the head of the anchor body 10 to be fastened with There is a multi-stage wing extension 25 that expands.

When the anchor body 10 is turned clockwise, the wing extension 10-1 of the anchor body 10 enters the anchor head 20 while pushing the extension 22-2 of the wing 22 in a multi-step process. At the same time, the multi-stage wings 22 are spread outwardly from the anchor head 20 so that the teeth 22-1 of the wings 22 are firmly embedded in the inner wall of the perforation hole, thereby serving as a strong anchor.

According to the above-described configuration of the present invention, an anchor that can withstand tidal currents and hales with strong force is drilled in the seabed bedrock, and the anchor is inserted into the drilling hole to become a single mass with the marine structure, and the foundation and ground of high-rise buildings It will play a big role in preventing the support and buoyancy of the building by making it into a bundle with the anchor body 10 of a single round bar with strong force and a plurality of wings 22 in the head 20 that is coupled with a screw body. There are teeth (22-1) of the wing 22 that digs into the inner wall, the length of the wing varies according to the type of rock, and an oval acupressure plate is attached to the soil.

1 is a perspective view of an anchor for multi-stage rock according to the present invention.
Figure 2 is a cross-sectional view of the anchor for multi-stage rock according to the present invention.
Figure 3 is an assembly view and an expanded view of the multi-stage soil anchor according to the present invention.
Figure 4 is an expanded view of the anchor for multi-stage rock according to the present invention.
5 is an assembly view of the anchor for multi-stage rock according to the present invention.
Figure 6 is an exploded view of the multi-stage soil anchor according to the present invention.

In explaining the present invention, it is composed of an inner side where the head part inserted into the soil and rock drilling holes of the anchor body made of a round bar is assembled and an outer side with a nut that binds the steel structure or concrete structure.

In addition, in the description of the present invention, the inner expression refers to each component or a portion in the inner direction or the direction determined by each component, and the outer expression refers to a portion in the direction opposite to the inner expression or in that direction. It will be described by referring to it.

Hereinafter, with reference to the drawings, the configuration of the present invention will be described in detail focusing on embodiments.

The present invention is an anchor that withstands strong currents and tidal waves for offshore structures installed on the bedrock and on the seabed in the sea, and also for preventing buoyancy of underground parking lots of high-rise buildings and eco-friendly mortar-free anchors for construction excavation and slope surface for road construction It relates to anchors with high economic value, such as for protection.

Thus, the configuration of the present invention, as shown in Figs. 1 to 6, a conical wing extension (10-1) molded inside the anchor body (10) in a perforated hole in the ground, and then a screw part (10-2) After inserting the assembled head 20 into the threaded part 20-2 molded inside the head 20, and then installing the structure on the molded threaded part 10-3 on the outside of the anchor body 10, the nut 10- 4) is fixed.

And, when the anchor body 10 and the pre-assembled head 20 are inserted into the perforated earth or rock hole as described above and the anchor body 10 is rotated clockwise, the anchor head 20 rotates together. Even if the anchor body 10 is rotated because there is a head 20 fixing part 20-1 molded to the head 20 to prevent it, the anchor head 20 will play the role of the head 20 depending on the ground.

In addition, in one step, a plurality of wings 22 along the circumference of the head 20 are formed on the upper portion of the wings 22 of the guide holes 24 in the guide holes 24 formed in the head 20 . The prevention part 22-3 has a wing sag 20-3-1 on the upper guide hole 20-3 of the head 20, and the same number of heads 20 in multiple steps along the length of the head 20. When the wing 22 rotates the anchor body 10 clockwise in the guide hole 20-3 of the head 20 by the secondary wing extension 25 in the It is a technology that the teeth 22-1 of the plurality of wings 22 dig into and bind the ground and the structure together with the maximum force.

Accordingly, the support portion 22-5 of the blade 22 is in contact with the engaging portion 27-1 of the separation prevention portion 27 and slides to prevent the blade 22 from being spread and separated more than necessary.

In addition, as described above, when the operator rotates the anchor body 10 in the state in which the wing 22 is assembled to the guide hole 20-3 of the head 20, the inner threaded part 10-2 of the anchor body 10 The wing extension portion 10-1 of the anchor body 10 moves forward while being coupled with the screw portion 20-2 molded in the interior of the head 20, and the wing extension portion 22-2 of the wing 22 When pushed, the plurality of blades 22 of the first stage and the plurality of blades 22 of the plurality of stages spread in various directions at the same time, and the teeth 22-1 of the large number of blades 22 are firmly dug into the inner wall of the perforation hole. For example, it is a technology that allows 100% to act as an anchor.

Therefore, the anchor of the present invention has all the same parts as the anchor body, and the length and width of the wing after reviewing the structure of the on-site soil quality. Design and use it for its intended use.

In the above description of the present invention, although specific embodiments have been described, various modifications do not depart from the scope of the present invention, and therefore, the scope of the present invention is not determined by the described embodiments, but the claims and the claims should be determined by the equal.

(10)--- Anchor body (10-1)--- Wing extension
(10-2)- Inner thread (10-3)--- Outer thread
(10-4)- Fixing nut part (20)--- Head
(20-1)--- Head fixing part (20-2)- Internal thread part
(20-3)--- Wing guide hole (20-3-1) Wing deflection prevention part
(22)--- wing (22-1)--- wing teeth
(22-2)- wing extension (22-3)--- wing sagging prevention part
(22-5)- wing support (25)--- secondary wing extension
(25-1)--- Wing extension part (26)--- Primary wing separation prevention part
(26-1)--- Separation prevention groove (26-2) Pass-through
(27)--- Secondary wing separation prevention part (27-1)--- separation prevention groove

Claims (6)

In the multi-purpose anchor,
It consists of an anchor body 10 made of a round bar and an anchor head 20, and the anchor body 10 has an outer threaded part 10-2 and a primary conical wing extension 10-1 to the outside of the anchor body 10. By rotation of (10), the anchor head 20 and the screw part 20-2 inside the anchor head 20 are coupled to the head fixing part 20-1 to prevent idling, which is in contact with the anchor head 20 and the bottom contact part of the drilling hole. It is formed to be pointed, and a plurality of wings 22 having a plurality of teeth 22-1 formed in a plurality of wing guide holes 20-3 formed in the anchor head 20 are configured to spread outward, A plurality of wings 22 are spread outward by the wing extension 25-1 of the secondary wing extension 25 of the multi-stage in one head 20, and the teeth 22- formed in the wing 22 A multi-purpose anchor that can be used for soil, ripping rock, soft rock, and hard rock according to the standard of the wing (22) by digging into the rock wall surface of the drilling hole and making the anchor body 10 and the ground identical. The head fixing part (20-1) of claim 1, wherein the head of the anchor head (20) is cut on both sides to form a pointed head fixing part (20-1) to rotate the anchor body (10) from the upper part. By fixing the anchor head 20, the anchor body 10 enters the anchor head 20 with a rotational force, a multi-purpose anchor that opens a plurality of multi-stage wings 22 to the outside. According to claim 1, wherein the wing extension (22-2) of the wing 22 inserted into the guide hole (20-3) of the anchor head (20) is inclined downward to the inside of the wing support (22-5) is inserted into the pre-assembled separation prevention part 26, separation prevention groove 26-1, and the wing 22 is a function of the wing extension part 25-1 of the multi-stage secondary wing extension part 25. A multi-purpose anchor that spreads outward and adheres to the wall of the drilling hole to secure tensile force. According to claim 1, wherein the wing deflection prevention part (20-3-1) of the wing guide hole (20-3) molded in the anchor head (20) and the wing separation prevention part (26) installed inside the anchor head (20) A multi-purpose anchor in which the sag prevention part 22-3 and the wing support part 22-5 of the wing 22 are supported by the departure prevention groove 26-1 of the wing 22. The multi-purpose anchor according to claim 1, wherein the wing teeth (22-1) of the anchor wings (22) in multiple steps are wedged into the wall surface of the perforation hole to form a tensile force. The multi-purpose anchor according to claim 1, wherein the anchor body (10) of the anchor can be recovered from a steel frame for a temporary facility or a structure for a temporary facility.

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