CN209923934U

CN209923934U - Deep basal pit lateral wall supporting device

Info

Publication number: CN209923934U
Application number: CN201822109279.3U
Authority: CN
Inventors: 黑继东; 魏腾远; 杜军锋; 舒杨
Original assignee: In Beijing Traffic Reaches Road And Bridge Engineering Co Ltd
Current assignee: In Beijing Traffic Reaches Road And Bridge Engineering Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-01-10
Anticipated expiration: 2028-12-14

Abstract

The utility model discloses a deep basal pit lateral wall supporting device, it includes connecting rod, reinforcing bar hole, stock, nut and reinforcing bar, is equipped with the reinforcing bar hole on the connecting rod, and the reinforcing bar top is equipped with the screw thread, and the nut is installed at the reinforcing bar top, and the stock is installed on the connecting rod, and the stock is a multistage stock, multistage stock includes anchor head, the body of rod, backing plate, only thick liquid stopper and slip casting mouth, and the body of rod is the hollow tube, and the anchor head is located the lower extreme of the body of rod, and the body of rod top is equipped with the slip casting mouth, and from the top down has expansion ring I, expansion ring II and expansion ring III on the body of rod, and only thick liquid stopper is located expansion ring I; this deep basal pit lateral wall supporting device has solved the loaded down with trivial details, the poor and low problem of modularization degree of structural integrity of current stock mounting means, and the mounting means is simple, has carried out the function integration to the structure, and the modularization installation has disperseed the whole stress of structure, has increased device intensity, has improved work efficiency, has shortened the time limit for a project.

Description

Deep basal pit lateral wall supporting device

Technical Field

The utility model relates to a deep basal pit construction technical field especially relates to a deep basal pit lateral wall supporting device.

Background

In the construction process of a building, a deep foundation pit often needs to be excavated to complete foundation construction, and in order to ensure the safety of construction and the surrounding environment, certain protection measures need to be taken on the side wall of the deep foundation pit. At present, a concrete anchor rod supporting method is mainly adopted, for example, a deep foundation pit supporting structure disclosed in the application number "CN 201721458965.0" adopts a novel anchor rod to improve anchoring force, but the anchor rod is complex in structure and complex in installation mode, is installed in a traditional mode, is firstly fixed by the anchor rod, is then welded with an external reinforcing steel bar frame, cannot be functionally integrated, cannot be installed in a modularized mode, and needs a large amount of time, manpower and material resources.

Therefore, we propose a deep foundation pit side wall supporting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a deep basal pit lateral wall supporting device to solve the problem that current stock mounting means is loaded down with trivial details, structural integrity is poor and the modularization degree is low.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a deep basal pit lateral wall supporting device, includes connecting rod, reinforcing bar hole, stock, nut and reinforcing bar, is equipped with the reinforcing bar hole on the connecting rod, and the reinforcing bar top is equipped with the screw thread, and the nut is installed at the reinforcing bar top, and the stock is installed on the connecting rod, the stock is a multistage stock, multistage stock includes anchor head, the body of rod, backing plate, only starch stopper and slip casting mouth, the body of rod is the hollow tube, and the anchor head is located the lower extreme of the body of rod, and the body of rod top is equipped with the slip casting mouth, and from the top down is equipped with expansion ring I, expansion ring II and expansion ring III on the body of rod, only starch stopper is located expansion ring I.

As a further proposal of the utility model, the anchor head is conical, the inner part is hollow, the conical surface is provided with threads to improve the friction force, and the slurry outlet of the anchor head is arranged on the conical plane.

As the utility model discloses further scheme, expansion ring I, expansion ring II and expansion ring III are the round platform form, inside cavity, and the round platform inclined plane is equipped with the spiral line, improves frictional force, and the round platform plane is equipped with expansion ring grout outlet I, expansion ring grout outlet II and expansion ring grout outlet III respectively.

As a further aspect of the present invention, the top of the rod body is provided with an anchor thread.

As a further scheme of the utility model, 3 connecting rods of group, 4 reinforcing bars of group and 9 stock constitution a set of ann change module.

As a further scheme of the utility model, be equipped with the connecting rod screw hole on the connecting rod, under the stock screw thread interact on connecting rod screw hole and the stock, fix the stock on the connecting rod.

As a further proposal of the utility model, a positioning groove is arranged on the reinforcing steel bar, and the positioning ring is fixed in the positioning groove.

As the utility model discloses further scheme again, adopt the reinforcing bar to tie up between the installation module and tie up, form frame construction, improve mechanical strength.

To sum up, compared with the prior art, the utility model has the following beneficial effects: multistage stock simple structure installs conveniently, can provide better anchor effect, and multistage stock integrates with steel bar structure and reduces manufacturing procedure, improves work efficiency, and the modularization installation optimizes the work flow, improves device bulk strength, saves the cost, reduction of erection time.

Drawings

Fig. 1 is a schematic structural view of the anchor rod of the utility model.

Fig. 2 is a front view of the utility model.

Fig. 3 is a top view of the utility model.

Fig. 4 is a schematic diagram of a structure of a middle positioning ring of the utility model.

Reference numerals: 1-connecting rod, 2-reinforcing steel bar hole, 3-anchor rod, 401-backing plate, 402-grout stop plug, 5-nut, 6-grouting opening, 7-expansion ring I, 8-expansion ring II, 9-expansion ring III, 10-anchor head, 1101-positioning groove, 1102-positioning ring, 12-rod body, 13-expansion ring grout outlet I, 14-expansion ring grout outlet II, 15-expansion ring grout outlet III, 16-anchor head grout outlet, 17-anchor rod thread, 18-connecting rod thread hole and 19-reinforcing steel bar.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1

Referring to fig. 1, a multistage stock, including anchor head 10, the body of rod 12, backing plate 401, only fill in 402 and slip casting mouth 6, the body of rod 12 is the hollow tube, and anchor head 10 is located the lower extreme of the body of rod 12, and the body of rod 12 top is equipped with slip casting mouth 6, and from the top down is equipped with expansion ring I7, expansion ring II 8 and expansion ring III 9 on the body of rod 12, increases area of contact, improves and struts the effect, only fill in 402 and be located expansion ring III 9, and backing plate 401 is located only fill in 402 top, avoids the concrete outflow.

The anchor head 10 is conical, the interior of the anchor head is hollow, threads are arranged on the conical surface to improve friction force, the anchor head grout outlet 16 is formed in the plane of the conical surface, and concrete flows into the anchor head 10 from the rod body 12 and then flows into a nearby soil layer from the anchor head grout outlet 16.

Expansion ring I7, expansion ring II 8 and expansion ring III 9 are the round platform form, inside cavity, the round platform inclined plane is equipped with the spiral line, improve frictional force, the round platform plane is equipped with expansion ring grout outlet I13 respectively, expansion ring grout outlet II 14 and expansion ring grout outlet III 15, the concrete can be followed the body of rod 12 inside through expansion ring I7, expansion ring grout outlet I13 on expansion ring II 8 and the expansion ring III 9, expansion ring grout outlet II 14 and the outflow of expansion ring grout outlet III 15, get into near soil layer, improve the fixed effect of multistage stock.

The top of the rod body 12 is provided with an anchor rod thread 17 for connecting other components.

Example 2

Referring to fig. 1 to 4, a deep foundation pit side wall supporting device includes a connecting rod 1, a reinforcing steel bar hole 2, an anchor rod 3, a nut 5 and a reinforcing steel bar 19, the connecting rod 1 is provided with the reinforcing steel bar hole 2, the top end of the reinforcing steel bar 19 is provided with a thread, the nut 5 is installed at the top of the reinforcing steel bar 19, so that the reinforcing steel bar is convenient to install without being bound, the anchor rod 3 is installed on the connecting rod 1, the anchor rod 3 has the same structure as the multistage anchor rod in embodiment 1, and 3 groups of connecting rods 1, 4 groups of reinforcing steel bars 19 and 9 groups of anchor rods 3.

And a connecting rod threaded hole 18 is formed in the connecting rod 1, and the anchor rod 3 is fixed on the connecting rod 1 under the interaction of the connecting rod threaded hole 18 and the anchor rod threads 17 on the anchor rod 3.

As shown in fig. 3 to 4, a positioning groove 1101 is formed on the steel bar 19, and the positioning ring 1102 is fixed in the positioning groove 1101 to provide a longitudinal tension to the steel bar 19.

Adopt the reinforcing bar to tie up between the installation module, form frame construction, improve mechanical strength.

To sum up, the utility model discloses a theory of operation is: during the use, earlier at the lateral wall of deep basal pit the drilling operation, beat out the stock hole of stock 3 in advance, install stock 3 at connecting rod 1 afterwards, it is fixed to carry out the reinforcing bar again, and it is fixed just to insert stock 3 into the stock hole with a set of installation module to carry out the grout to stock 3 to accomplish, all adopts the reinforcing bar to tie up between the installation module and ties up the reinforcement.

The utility model provides a deep basal pit lateral wall supporting device adopts multistage stock mode to improve stock anchor power, and simple structure installs conveniently, directly integrates multistage stock together with outside steel bar structure, need not the later stage and welds respectively, uses manpower and materials sparingly, improves work efficiency, utilizes the installation module mode, can prepare the part in advance, and the scene only needs to carry out intermodule integration, optimizes work flow, and the while ann changes the module and can disperse structural stress, improves device intensity.

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 deep foundation pit side wall supporting device comprises a connecting rod (1), a reinforcing steel bar hole (2), an anchor rod (3), a nut (5) and a reinforcing steel bar (19), and is characterized in that the reinforcing steel bar hole (2) is formed in the connecting rod (1), threads are arranged at the top end of the reinforcing steel bar (19), the nut (5) is installed at the top of the reinforcing steel bar (19), the anchor rod (3) is installed on the connecting rod (1), the anchor rod (3) is a multistage anchor rod which comprises an anchor head (10), a rod body (12), a backing plate (401), a grout stop plug (402) and a grouting opening (6), the rod body (12) is a hollow tube, the anchor head (10) is located at the lower end of the rod body (12), the top end of the rod body (12) is provided with the grouting opening (6), an expansion ring I (7), an expansion ring II (8) and an expansion ring III (9) are arranged from top to bottom on the rod body (12), and the grout stop, the backing plate (401) is located above the grout stop plug (402).

2. The deep foundation pit side wall support device according to claim 1, wherein the anchor head (10) is conical, the interior of the anchor head is hollow, the conical surface is provided with threads, and the anchor head grout outlet (16) is formed in the plane of the conical surface.

3. The deep foundation pit side wall supporting device according to claim 2, wherein the expansion ring I (7), the expansion ring II (8) and the expansion ring III (9) are in a circular truncated cone shape, the interior of the expansion ring I, the interior of the expansion ring II and the interior of the expansion ring III are hollow, spiral threads are arranged on the inclined surface of the circular truncated cone, and the circular truncated cone plane is provided with an expansion ring grout outlet I (13), an expansion ring grout outlet II (14) and an expansion ring grout outlet III (15) respectively.

4. The deep foundation pit side wall support device according to claim 3, wherein the top of the rod body (12) is provided with an anchor rod thread (17).

5. The deep foundation pit side wall support device according to claim 4, wherein the connecting rod (1) is provided with a connecting rod threaded hole (18).

6. The deep foundation pit side wall support device according to claim 5, wherein the steel bars (19) are provided with positioning grooves (1101), and the positioning rings (1102) are fixed in the positioning grooves (1101).