CN110761818A

CN110761818A - Multi-junction super-tensile anchorage device and process thereof

Info

Publication number: CN110761818A
Application number: CN201911018895.0A
Authority: CN
Inventors: 李鑫恺; 李宜韬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-02-07

Abstract

The invention discloses a multi-junction super-tensile anchor and a process thereof, wherein the multi-junction super-tensile anchor comprises a threaded anchor rod, two circular rings are sequentially sleeved on the threaded anchor rod from top to bottom, the outer walls of the two circular rings are in equal-ratio movable connection with a plurality of uniformly distributed tensile arms, the top of the circular ring positioned below is fixedly connected with a limiting pipe, and the limiting pipe is sleeved on the threaded anchor rod. When the multi-joint super-tensile anchorage device and the process thereof are used, the multi-joint super-tensile anchorage device can be directly used by using grouting or resin anchoring in a traditional mode or without using anchoring agents such as grouting or resin and the like, so that the use efficiency of the multi-joint super-tensile anchorage device can be effectively improved, the size, the number and the position of the anchoring knots of the anchorage device can be freely adjusted and selected, the anchoring effect can be effectively improved, the service life and the working efficiency of the anchorage device can be improved, disposable drill bits are arranged at two ends of the anchorage device and are arranged on a drilling machine, and self drilling (spinning for short) can be realized by relevant adjustment.

Description

Multi-junction super-tensile anchorage device and process thereof

Technical Field

The invention relates to the technical field of multi-junction super-tensile anchorage devices, in particular to a multi-junction super-tensile anchorage device and a process thereof.

Background

The common anchorage device (rod) is used for penetrating the anchorage device (rod) into the stratum, and the lateral resistance of the anchorage device (rod) is mainly used as the tensile resistance. The outer end of the anchorage device (rod) can be fixed only by the anchor plate, and the inner end can not be fixed. When the anchorage device (rod) in the prior art is used, the anchorage device is not provided with an anchorage knot, so that the anchorage effect is greatly reduced, the service life is greatly shortened, and the anchorage device is inconvenient to use, and therefore a multi-junction super-tensile anchorage device and a process thereof are provided.

Disclosure of Invention

The invention provides a multi-junction super-tensile anchor as well as a process and a use method thereof, aiming at overcoming the defects that the size, the number and the position of anchor knots of the anchor in the prior art can not be freely adjusted and freely selected, the anchoring effect is poor and the like. The multi-junction super tensile anchorage device and the process and the using method thereof have the characteristics that the size, the number and the position of the anchoring knots of the anchorage device can be freely adjusted and freely selected, the anchoring effect is good, and the like.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a super tensile ground tackle of multijunction and technology, includes the screw anchor pole, be close to the top on the screw anchor pole from last down in proper order the cover be equipped with two rings, and two compare swing joint have a plurality of evenly distributed's tensile arm such as between the outer wall of ring, be located the below the spacing pipe of fixedly connected with on the top of ring, and spacing pipe box establishes on the screw anchor pole, screw anchor pole top and below are close to two ring punishments and do not overlap and are equipped with two nuts, be close to bottom department cover on the screw anchor pole and be equipped with the outer tube, the bottom department that is close to on the screw anchor pole is upward down in proper order the cover and is equipped with anchor plate and fastening bolt, and the anchor plate passes through fastening bolt.

Preferably, the ring is mounted on the threaded bolt with a nut.

Preferably, the two circular rings are respectively provided with a plurality of tensile arms in equal proportion, the tensile arms on the two circular rings are movably connected, the top of the circular ring below the tensile arms is provided with a limiting pipe, the limiting pipe is straightened to be called a tensile arm sleeve, the tensile arm sleeve is sleeved into the top end of the threaded anchor rod, the circular ring connected with the limiting pipe is arranged below the tensile arm sleeve, and two ends of the tensile arm sleeve are fixed by nuts.

Preferably, the tensile arm sleeve is made of high-strength and high-toughness steel, the threaded anchor rod can also be made of high-strength and high-toughness steel according to requirements, and the main indexes of the high-strength and high-toughness steel are that the tensile strength is 1000 MPa to 1700 MPa, and the elongation is 10% to 15%.

Preferably, the nut is of an ellipsoidal structure and is provided with two holes, so that anchoring agents such as grouting or resin can flow conveniently, and the nut and the threaded anchor rod can be connected by adopting a connecting piece.

A multi-junction super tensile anchorage and a process thereof comprise the following steps:

s1: during construction, firstly, a drilling machine is adopted for drilling, and an ellipsoidal expansion inner cavity is cut or extruded at a preset position by utilizing a variable-diameter drill rod;

s2: sleeving an outer sleeve on the anchor rod, connecting the inner end of the outer sleeve with a tensile arm sleeve nut, driving an anchorage device to enter a drill hole to a preset depth by using the power of an anchor machine, and expanding a cavity of the tensile arm sleeve corresponding to the ellipsoidal shape of the tensile arm sleeve;

s3: the outer sleeve is pushed to rotate forwards to drive the nut to screw forwards, the tensile arm is propped open until the limiting pipe in the sleeve props against the two circular rings, the nut is screwed down, the tensile arm enters an ellipsoidal shape and is shaped by the nuts at two ends, and the shape is like a knot and is called as an anchor knot;

s4: grouting or resin or concrete, filling the gap between anchor and drilled hole and enlarging inner cavity, so that the screw anchor rod is enlarged by one circle with anchoring agent and the enlarged inner cavity with anchor knot forms a larger anchor knot and is connected with the anchor rod into a whole. The anchor is a high tensile anchor with an anchor knot, and the anchor knot bears high tensile resistance;

s5: finally, the anchor plate is fixed at the outer end of the anchor by a fastener and matched with the anchor knot, so that two ends of the anchor are fixed, and the tensile resistance of the anchor is greatly improved.

Compared with the prior art, the invention has the beneficial effects that:

1. when the multi-junction super-tensile anchorage device and the process thereof are used, the anchorage device can be directly used without using anchoring agents such as grouting or resin and the like, and meanwhile, the anchorage device has good anchoring effect through the anchoring knot formed by the tension resisting arm, the tension resisting arm sleeve and the circular ring, so that the use efficiency of the anchorage device can be effectively improved;

2. the size, the number and the position of the anchor knots of the anchor device can be freely adjusted and freely selected, and the application range of the anchor device can be effectively improved, so that the use efficiency and the working efficiency of the anchor device can be improved;

3. the present invention has one-time drill bit installed to the drilling machine and corresponding regulation to realize self drilling.

Drawings

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

fig. 2 is a schematic structural view before distraction.

Reference numbers in the figures: 1. a threaded anchor rod; 2. a nut; 3. a tension arm; 4. a circular ring; 5. a limiting pipe; 6. an outer sleeve; 7. an anchor plate; 8. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a multi-joint ultra-tensile anchorage device and a process thereof, comprises a threaded anchor rod 1, two rings 4 are sequentially sleeved on the threaded anchor rod 1 from top to bottom near the top, a plurality of tensile arms 3 which are uniformly distributed are movably connected between the outer walls of the two rings 4 in an equal ratio, a limiting pipe 5 is fixedly connected on the top of the ring 4 positioned below, the limiting pipe 5 is sleeved on the threaded anchor rod 1, two nuts 2 are respectively sleeved on the upper part and the lower part of the threaded anchor rod 1 near the two rings 4, an outer sleeve 6 is sleeved on the threaded anchor rod 1 near the bottom, the rings 4 are installed on the threaded anchor rod 1 by the nuts 2, a plurality of tensile arms 3 are respectively installed on the two rings 4 in an equal ratio, then the tensile arms 3 on the two rings 4 are movably connected, the limiting pipe 5 is installed on the top of the ring 4 below and is straightened to be called as a tensile arm sleeve, the tensile arm sleeve is made of high-strength and high-toughness steel, the threaded anchor rod 1 can also be made of high-strength and high-toughness steel according to needs, the main indexes of the high-strength and high-toughness steel are that the tensile strength is 1000 MPa to 1700 MPa, the elongation is 10% to 15%, a tensile arm sleeve is sleeved into the top end of the threaded anchor rod 1, a circular ring 4 connected with a limiting pipe 5 is arranged below the tensile arm sleeve, two ends of the tensile arm sleeve are fixed by nuts 2, the nuts 2 are of an ellipsoidal structure and provided with two holes, so that anchoring agents such as grouting or resin can flow conveniently, the anchoring agents can be connected with the threaded anchor rod 1 by connecting pieces, an anchor plate 7 and a fastening bolt 8 are sequentially sleeved at the position, close to the bottom, of the threaded anchor rod 1 from top to bottom, and the anchor plate 7 is fixed by the fastening bolt 8.

s2: sleeving an outer sleeve 6 on the anchor rod, connecting the inner end of the outer sleeve with a tensile arm sleeve nut 2, driving an anchorage device to enter a drill hole to a preset depth by using the power of an anchor machine or a drilling machine, and expanding a cavity of the tensile arm sleeve corresponding to the ellipsoid of the tensile arm sleeve;

s3: the outer sleeve 6 is pushed to rotate forwards to drive the nut 2 to screw forwards, the tensile arm 3 is propped open, when the limiting pipe 5 in the sleeve props against the two circular rings 4, the nut 2 is screwed down, the tensile arm 3 enters an ellipsoidal shape and is shaped by the nuts 2 at two ends, and the shape is like a knot and is called as an anchor knot;

s4: grouting or resin or concrete, filling the gap between the anchor and the drilled hole and enlarging the inner cavity, so that the thread anchor rod 1 is enlarged by one circle by the anchoring agent, the enlarged inner cavity provided with the anchor knot forms a larger anchor knot and is connected with the anchor rod into a whole. The anchor is a high tensile anchor with an anchor knot, and the anchor knot bears high tensile resistance;

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multijunction surpasses tensile ground tackle and technology thereof, includes screw anchor rod (1), its characterized in that: be close to on screw anchor rod (1) the top from last down in proper order the cover be equipped with two rings (4), and two compare swing joint such as between the outer wall of ring (4) have a plurality of evenly distributed's tensile arm (3), be located the below spacing pipe of fixedly connected with (5) on the top of ring (4), and spacing pipe (5) cover is established on screw anchor rod (1), screw anchor rod (1) top and below are close to two rings (4) punishment and do not overlap and are equipped with two nuts (2), it is equipped with outer tube (6) to be close to bottom department cover on screw anchor rod (1), the bottom department that is close to on screw anchor rod (1) is upward down in proper order the cover and is equipped with anchor plate (7) and fastening bolt (8), and anchor plate (7) realize fixedly through fastening bolt (8).

2. The multi-junction super tensile anchorage device and the process thereof according to claim 1, wherein: the circular ring (4) is arranged on the threaded anchor rod (1) through a nut (2).

3. The multi-junction super tensile anchorage device and the process thereof according to claim 1, wherein: install a plurality of tensile arm (3) with two rings (4) respectively to equal ratio earlier, then with tensile arm (3) swing joint on two rings (4), install spacing pipe (5) on the top of ring (4) of below to straighten it and call as tensile arm sleeve, with the top of tensile arm sleeve cover in screw stock (1), even have ring (4) of spacing pipe (5) down, and fix the telescopic both ends of tensile arm with nut (2).

4. The multi-junction super tensile anchor and the process thereof according to claim 3, wherein: the tensile arm sleeve is made of high-strength and high-toughness steel, the threaded anchor rod (1) can also be made of high-strength and high-toughness steel according to needs, and the main indexes of the high-strength and high-toughness steel are that the tensile strength is 1000 MPa to 1700 MPa, and the elongation is 10% to 15%.

5. The multi-junction super tensile anchorage device and the process thereof according to claim 1, wherein: the nut (2) adopts an ellipsoidal structure and is provided with two holes, so that anchoring agents such as grouting or resin and the like can flow conveniently, and can be connected with the threaded anchor rod (1) by adopting a connecting piece.

6. The multi-junction super tensile anchor and the process thereof according to any one of claims 1 to 5, comprising the following steps:

s2: sleeving an outer sleeve (6) on the anchor rod, connecting the inner end of the outer sleeve with a tensile arm sleeve nut (2), driving an anchorage device to enter a drill hole to a preset depth by using the power of an anchor machine (or a drilling machine), and expanding a cavity of the tensile arm sleeve corresponding to the ellipsoid;

s3: the outer sleeve (6) is pushed to rotate forwards to drive the nut (2) to screw forwards to prop open the tensile arm (3), when the limiting pipe (5) in the sleeve props against the two circular rings (4), the nut (2) is screwed, the tensile arm (3) enters an ellipsoid shape and is shaped by the nuts (2) at two ends, and the appearance is like a knot and is called as an anchor knot;

s4: grouting or resin or concrete, filling gaps between the anchor and the drilled hole and expanding the inner cavity, so that the thread anchor rod (1) is enlarged by one circle by the anchoring agent, the expanded inner cavity is provided with the anchor knot, a larger anchor knot is formed, and the thread anchor rod and the anchor rod are connected into a whole; the anchor is a high tensile anchor with an anchor knot, and the anchor knot bears high tensile resistance;