CN216586522U

CN216586522U - Anchoring device for foundation pit support

Info

Publication number: CN216586522U
Application number: CN202122464964.XU
Authority: CN
Inventors: 周刚; 吕宝; 吕晶日; 杨海星; 罗兴军; 李�浩
Original assignee: Sichuan Zhide Geotechnical Engineering Co ltd
Current assignee: Sichuan Zhide Geotechnical Engineering Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-24
Anticipated expiration: 2031-10-13

Abstract

The utility model belongs to the technical field of building construction, and particularly relates to an anchoring device for foundation pit support, aiming at the problems that all claw force points of anchoring equipment for foundation pit support in the prior art are arranged on threads on an anchor rod, so that the structure is not very firm and the anchoring stability is influenced, the anchoring device comprises an anchor rod main body and a bearing plate, wherein a top plate is fixedly arranged at the top end of the anchor rod main body, bolt rods are fixedly arranged on two sides of the top plate, nuts are sleeved on outer threads of the bolt rods and movably abut against the tops of the bearing plate, conical heads are fixedly arranged at the bottom of the anchor rod main body, a sliding plate is slidably arranged in the anchor rod main body, a pull rod is fixedly arranged at the bottom of the sliding plate, and a pull plate is fixedly arranged at the bottom end of the pull rod. According to the utility model, the plurality of inclined insertion rods are controlled to extend out of the inclined holes arranged at the two sides of the anchor rod main body and abut against the inner wall of the anchoring hole, so that the fixed non-return work of the anchor rod main body is realized, and the stability of the anchoring work is improved.

Description

Anchoring device for foundation pit support

Technical Field

The utility model relates to the technical field of building construction, in particular to an anchoring device for foundation pit support.

Background

In the process of underground building construction, anchor rod support is often adopted as an effective support mode, which mainly has the functions of active reinforcement and stabilization of rock and soil. In the foundation pit soil nailing wall and composite soil nailing wall supporting system, a deformed steel bar anchor rod is mostly adopted as an anchoring body so as to improve the stability of the soil layer around the foundation pit.

However, all the claw force points of the anchoring device for supporting the foundation pit in the prior art are on the threads on the anchor rods, so that the structure is not very firm, and the anchoring stability is influenced, so that an anchoring device for supporting the foundation pit is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that all claw force points of anchoring equipment for foundation pit support in the prior art are arranged on threads on an anchor rod, so that the structure is not very firm and the anchoring stability is influenced, and provides an anchoring device for foundation pit support.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an anchoring device for foundation pit supporting comprises an anchor rod main body and a bearing plate, wherein a top plate is fixedly arranged at the top end of the anchor rod main body, bolt rods are fixedly arranged on two sides of the top plate, nuts are sleeved on the outer side threads of the bolt rods in a sleeved mode, the nuts are movably abutted against the top of the bearing plate, the bottom of the anchor rod main body is fixedly provided with a conical head, the anchor rod main body is internally provided with a sliding plate in a sliding manner, the bottom of the sliding plate is fixedly provided with a pull plate, the bottom of the pull plate is fixedly provided with a pull plate, the top of the pull plate is provided with two vertical grooves, the two vertical grooves are internally provided with vertical plates in a sliding manner, one sides of the two vertical plates away from each other are fixedly provided with a plurality of inclined insertion rods, the top of the top plate is provided with a mounting hole, a screw rod is rotatably mounted in the mounting hole, a knob is fixedly mounted at the top end of the screw rod, the top of the sliding plate is provided with a thread groove, and the screw rod is in threaded connection with the thread groove.

Preferably, the inner walls of the two sides of the anchor rod main body are fixedly provided with inclined rods, and the two vertical plates are respectively sleeved on the outer sides of the corresponding inclined rods in a sliding manner.

Preferably, the same limiting rod is fixedly connected to the inner walls of the two sides of the vertical groove, and the two vertical plates are respectively sleeved on the outer sides of the corresponding limiting rods in a sliding manner.

Preferably, equal fixed mounting has the limiting plate on the both sides inner wall of stock main part, the spacing groove has all been seted up to the both sides of slide, and two limiting plates are sliding connection respectively in the spacing groove that corresponds, the same montant of fixedly connected with on the top inner wall of spacing groove and the bottom inner wall, and two limiting plates slide respectively and cup joint in the outside of the montant that corresponds.

Preferably, the guide rods are fixedly mounted on the front side and the rear side of the top plate, two guide holes are formed in the top of the bearing plate, and the two guide rods are respectively connected in the corresponding guide holes in a sliding mode.

Preferably, the outer side of the screw rod is fixedly sleeved with two limiting rings, and the two limiting rings are movably abutted to the top and the bottom of the top plate respectively.

According to the anchoring device for foundation pit supporting, the anchor rod main body is inserted into the anchoring hole, the knob is screwed down to drive the screw rod to rotate, the screw rod drives the sliding plate to move upwards through screw transmission with the sliding plate under the guiding action of the limiting plate, the sliding plate drives the pull plate to move upwards through the pull rod, the pull plate drives the two vertical plates to move towards one side away from each other while driving the two vertical plates to move upwards through the matching of the two vertical plates and under the guiding action of the two inclined rods, so that the inclined insertion rods extend out of the inclined holes formed in the two sides of the anchor rod main body, and the fixed non-return work of the anchor rod main body is realized through abutting against the inner wall of the anchoring hole;

according to the anchoring device for foundation pit supporting, the anchor rod main body is driven to move by rotating the two nuts and abutting the nuts with the bearing plate, so that anchoring work is realized;

the anchor rod fixing device is reasonable in structural design, the plurality of inclined insertion rods are controlled to extend out of the inclined holes formed in the two sides of the anchor rod main body and abut against the inner wall of the anchoring hole, fixing non-return work of the anchor rod main body is achieved, anchoring work stability is improved, and reliability is high.

Drawings

Fig. 1 is a schematic perspective view of an anchoring device for supporting a foundation pit according to the present invention;

fig. 2 is a schematic sectional view of an anchoring device for supporting a foundation pit according to the present invention;

fig. 3 is a schematic structural view of a portion a of an anchoring device for foundation pit support according to the present invention;

fig. 4 is a schematic structural view of a part B of an anchoring device for supporting a foundation pit according to the present invention.

In the figure: 1. an anchor body; 2. a pressure bearing plate; 3. a slanting insertion rod; 4. a conical head; 5. a top plate; 6. a bolt shank; 7. a nut; 8. a knob; 9. a screw rod; 10. a guide bar; 11. a slide plate; 12. a pull rod; 13. pulling a plate; 14. a vertical groove; 15. a vertical plate; 16. a limiting ring; 17. a limiting groove; 18. a limiting plate; 19. a limiting rod; 20. a diagonal rod.

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.

Referring to fig. 1-4, an anchoring device for foundation pit support comprises an anchor rod main body 1 and a bearing plate 2, a top plate 5 is fixedly installed at the top end of the anchor rod main body 1, bolt rods 6 are fixedly installed on both sides of the top plate 5, nuts 7 are sleeved on the outer side threads of the bolt rods 6, the nuts 7 are movably abutted to the top of the bearing plate 2, a conical head 4 is fixedly installed at the bottom of the anchor rod main body 1, a sliding plate 11 is slidably installed in the anchor rod main body 1, a pull rod 12 is fixedly installed at the bottom of the sliding plate 11, a pull plate 13 is fixedly installed at the bottom end of the pull rod 12, two vertical grooves 14 are formed in the top of the pull plate 13, risers 15 are slidably installed in the two vertical grooves 14, a plurality of inclined insertion rods 3 are fixedly installed on the sides of the two risers 15, which are far away from each other, an installation hole is formed in the top of the top plate 5, a lead screw 9 is rotatably installed in the installation hole, a knob 8 is fixedly installed at the top end of the lead screw 9, the top of the sliding plate 11 is provided with a thread groove, and the screw rod 9 is in threaded connection with the thread groove.

In the utility model, the inclined rods 20 are fixedly arranged on the inner walls of the two sides of the anchor rod body 1, and the two vertical plates 15 are respectively sleeved on the outer sides of the corresponding inclined rods 20 in a sliding manner to guide the vertical plates 15.

In the utility model, the same limiting rod 19 is fixedly connected to the inner walls of the two sides of the vertical groove 14, and the two vertical plates 15 are respectively sleeved on the outer sides of the corresponding limiting rods 19 in a sliding manner to limit the vertical plates 15.

According to the utility model, the inner walls of two sides of the anchor rod main body 1 are fixedly provided with the limiting plates 18, two sides of the sliding plate 11 are provided with the limiting grooves 17, the two limiting plates 18 are respectively connected in the corresponding limiting grooves 17 in a sliding manner, the inner wall of the top part and the inner wall of the bottom part of the limiting groove 17 are fixedly connected with the same vertical rod, and the two limiting plates are respectively sleeved on the outer sides of the corresponding vertical rods in a sliding manner to guide the sliding plate 11.

According to the utility model, the front side and the rear side of the top plate 5 are both fixedly provided with the guide rods 10, the top of the bearing plate 2 is provided with two guide holes, and the two guide rods 10 are respectively connected in the corresponding guide holes in a sliding manner to guide the top plate 5.

In the utility model, two limiting rings 16 are fixedly sleeved on the outer side of the screw rod 9, and the two limiting rings 16 are respectively movably abutted against the top and the bottom of the top plate 5 to limit the screw rod 9.

In the utility model, when the anchor rod is used, the anchor rod body 1 is inserted into the anchoring hole, the knob 8 is screwed down to drive the screw rod 9 to rotate, the screw rod 9 drives the sliding plate 11 to move upwards through screw transmission with the sliding plate 11 under the guiding action of the limiting plate 18, the sliding plate 11 drives the pull plate 13 to move upwards through the pull rod 12, the pull plate 13 is matched with the two vertical plates 15 and drives the two vertical plates 15 to move upwards and move towards one side away from each other under the guiding action of the two inclined rods 20, so that the inclined insertion rods 3 extend out of the inclined holes arranged at the two sides of the anchor rod body 1, the fixed non-return work of the anchor rod body 1 is realized through the abutting of the inner walls of the anchoring hole, and then the anchor rod body 1 is driven to move through the abutting of the nut 7 and the bearing plate 2 by rotating the two nuts 7, thereby realizing the anchoring work.

Claims

1. The anchoring device for foundation pit support comprises an anchor rod main body (1) and a bearing plate (2), and is characterized in that a top plate (5) is fixedly mounted at the top end of the anchor rod main body (1), bolt rods (6) are fixedly mounted on two sides of the top plate (5), nuts (7) are sleeved on outer threads of the bolt rods (6), the nuts (7) are movably abutted to the top of the bearing plate (2), a conical head (4) is fixedly mounted at the bottom of the anchor rod main body (1), a sliding plate (11) is slidably mounted in the anchor rod main body (1), a pull rod (12) is fixedly mounted at the bottom of the sliding plate (11), a pull plate (13) is fixedly mounted at the bottom end of the pull rod (12), two vertical grooves (14) are formed in the top of the pull plate (13), vertical plates (15) are slidably mounted in the two vertical grooves (14), and a plurality of inclined insertion rods (3) are fixedly mounted on one sides, far away from each other, of the two vertical plates (15), the top of roof (5) is opened there is the mounting hole, and lead screw (9) are installed in the mounting hole rotation, and the top fixed mounting of lead screw (9) has knob (8), the thread groove has been seted up at the top of slide (11), and lead screw (9) threaded connection is in the thread groove.

2. The anchoring device for foundation pit support according to claim 1, wherein the inclined rods (20) are fixedly mounted on the inner walls of the two sides of the anchor rod body (1), and the two vertical plates (15) are respectively sleeved on the outer sides of the corresponding inclined rods (20) in a sliding manner.

3. The anchoring device for foundation pit support according to claim 1, wherein the same limiting rod (19) is fixedly connected to the inner walls of the two sides of the vertical groove (14), and the two vertical plates (15) are respectively sleeved on the outer sides of the corresponding limiting rods (19) in a sliding manner.

4. The anchoring device for foundation pit support according to claim 1, wherein limiting plates (18) are fixedly mounted on inner walls of two sides of the anchor rod main body (1), limiting grooves (17) are formed in two sides of the sliding plate (11), the two limiting plates (18) are respectively slidably connected in the corresponding limiting grooves (17), the same vertical rod is fixedly connected to the inner wall of the top portion and the inner wall of the bottom portion of each limiting groove (17), and the two limiting plates are respectively slidably sleeved on the outer sides of the corresponding vertical rods.

5. The anchoring device for foundation pit support according to claim 1, wherein guide rods (10) are fixedly mounted on the front side and the rear side of the top plate (5), two guide holes are formed in the top of the bearing plate (2), and the two guide rods (10) are respectively slidably connected in the corresponding guide holes.

6. The anchoring device for foundation pit support according to claim 1, wherein two limiting rings (16) are fixedly sleeved on the outer side of the screw rod (9), and the two limiting rings (16) are movably abutted with the top and the bottom of the top plate (5) respectively.