CN212984674U

CN212984674U - Accurate adjustment support of concrete built-in fitting

Info

Publication number: CN212984674U
Application number: CN202021132239.1U
Authority: CN
Inventors: 姜长彬; 郭强
Original assignee: China Third Metallurgical Group Co Ltd
Current assignee: China Third Metallurgical Group Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-16
Anticipated expiration: 2030-06-18

Abstract

A precise adjusting bracket for concrete embedded parts is provided with a bracket for placing the embedded parts, and four independent adjustable supporting legs are arranged at the lower part of the bracket. The supporting leg comprises connecting plate, connecting pin, adjustable connecting rod and footing, and the connecting plate can weld the bracket together, and boss, connecting pin, the connector of adjustable connecting rod of connecting plate lower surface have constituteed a freely movable joint, and this joint can rotate around the geometric centre point of bracket. The screw rod of the adjustable connecting rod can be a section of external thread rod, and also can be a section of double-threaded screw rod with positive and negative threads, the middle part of the double-threaded screw rod is provided with a nut-shaped hexagonal platform, the lower part of the double-threaded screw rod is in threaded connection with a section of internal thread pipe matched with the double-threaded screw rod, and the bottom of the screw rod or the internal thread pipe is welded with a plate-shaped bottom foot and a reinforcing rib. The utility model has the advantages that: the precision adjusting support is a platform with four-point height adjustable, and can adjust the bracket to any direction within a certain range.

Description

Accurate adjustment support of concrete built-in fitting

Technical Field

The utility model relates to a construction technical field especially relates to a concrete built-in fitting's accurate adjustment support.

Background

In the construction operation of concrete structure engineering, the embedded part with a simple structure is directly welded on a beam steel bar or fixed on a template in an installation mode, and the embedded part with a complex structure or the embedded part with larger weight needs to be provided with a special bracket to independently support the embedded part. When the size of the installation position of the embedded part is adjusted, the embedded part usually has a plurality of size positions to be adjusted, and the size positions need a plurality of supporting points to be adjusted, particularly, the elevation, the verticality and the levelness of the embedded part are adjusted by additionally installing and replacing the sizing block for many times, so that the embedded part can be adjusted in place. Statistical data shows that the installation qualification rate of embedded parts of concrete structural engineering in the industry is only about 80 percent before improvement measures are not taken, the requirement of national standard construction acceptance standards is far exceeded, and the phenomenon that part of foundations are scrapped even appears in individual engineering.

How to improve the installation qualification rate and the work efficiency of the concrete embedded part, especially the installation construction of the embedded part with a complex structure and a large weight is a common problem in the installation construction of the embedded part. The company researches a binding type installation construction method for large grouped embedded parts by performing a plurality of quality attack and customs activities on the problem, solves the problem of size deviation between relative positions in the large grouped embedded parts, but still wastes time and labor in the installation and adjustment process, and has low working efficiency; the chinese utility model patent (publication No. CN103526954B) discloses an installation and construction method using a special bracket for large embedded parts, which solves the problems of settlement, collision and the like of large embedded parts in the concrete pouring process, but still does not solve the problems of time and labor waste and low working efficiency in the installation and adjustment process.

Disclosure of Invention

The utility model aims at providing a concrete built-in fitting's accurate adjustment support, in the adjustment process of built-in fitting installation location, as a support that can carry out accurate adjustment, can carry out the positioning adjustment of built-in fitting fast, labour saving and time saving to improve its work efficiency.

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

a precise regulation support for concrete embedded parts is composed of a supporting frame for holding the embedded parts, four independent adjustable supporting legs under said supporting frame, and a horizontal or inclined supporting frame for regulating the height of each supporting leg.

The bracket can be a whole metal plate or a plane frame formed by welding materials such as angle steel or section steel; the frame can be of a square structure or a circular structure.

The supporting leg comprises connecting plate, connecting pin axle, adjustable connecting rod, footing and strengthening rib, the connecting plate can be in the same place with the bracket welding, there are two bosss on the lower surface of connecting plate, the direction of boss is in the line direction of two diagonal angles of connecting plate, the tip of every boss has a connecting hole all processed, the connecting pin axle passes from its hole, the adjustable connecting rod comprises connector and screw rod, the lower part of adjustable screw rod and footing and strengthening rib welding are in the same place.

The connector of the adjustable connecting rod is a short pipe with one closed end, the interior of the short pipe is provided with internal threads, and the internal threads are connected with a screw rod; the closed end of the short pipe is provided with a convex tongue which can extend into the middle of the two bosses on the lower surface of the connecting plate, a connecting hole is processed on the convex tongue, and a connecting pin shaft can penetrate through the connecting hole and form a movable joint with the two bosses.

The screw rod can be a section of common external thread rod, and the lower end part of the external thread rod is welded with a plate-shaped bottom foot and a reinforcing rib; or a section of double-threaded screw with positive and negative threads, the middle part of the double-threaded screw is provided with a nut-shaped hexagonal platform, the lower part of the double-threaded screw is in threaded connection with a section of internal threaded pipe matched with the double-threaded screw, and the bottom of the internal threaded pipe is welded with a plate-shaped bottom foot and a reinforcing rib.

Compared with the prior art, the beneficial effects of the utility model are that:

because the utility model discloses a concrete built-in fitting's accurate adjustment support has adopted the mode of bracket and four independent adjustable supporting legs to constitute, therefore has formed a platform that has four point height-adjustable, so, in certain within range (the adjustable height within range of supporting leg), the bracket is adjustable to arbitrary direction, can also be transferred into the horizontality certainly and towards the vertical direction. Thus, the embedded parts fixed thereon can also be adjusted to face the vertical direction; in addition, in the debugging process, the positioning process of the embedded part can be easily finished only by twisting the adjustable screw of the supporting leg, so that the debugging process is very simple, time and labor are saved, and the working efficiency is greatly improved.

Drawings

Fig. 1 is a schematic view of the structure of the fine adjustment bracket of the present invention.

Fig. 2 is a schematic structural diagram of a single threaded rod adjustable support leg.

FIG. 3 is a schematic diagram of the structure of the adjustable support leg with double screws.

FIG. 4 is a schematic structural diagram of the fine adjustment bracket and the auxiliary bracket and the embedded part during installation.

In the figure: 1-supporting legs, 1-1 bottom feet, 1-2 reinforcing ribs, 1-3 adjustable connecting rods, 1-3-1 internal threaded pipes, 1-3-2 hexagonal platforms, 1-3-3 external threaded rods, 1-3-4 connectors, 1-3-5 convex tongues, 1-4 connecting plates, 1-5 connecting pin shafts and 1-6 bosses; 2-embedded parts; 3-a bracket; 4-an auxiliary support; 5-a bottom concrete foundation.

Detailed Description

The concrete structure of the fine adjustment bracket for a concrete embedded part according to the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, the present invention is a schematic diagram of a structure of a fine adjustment bracket for a concrete embedded part.

The precise adjusting bracket for the concrete embedded part is provided with a bracket 3 capable of placing the concrete embedded part, four independent adjustable supporting legs 1 are arranged at the lower part of the bracket 3, the height of each supporting leg 1 is adjusted in sequence, the bracket 3 can be adjusted to be in a horizontal state, and the bracket 3 can also be adjusted to be in a state of inclining towards different directions.

The bracket 3 can be a whole metal plate or a plane frame formed by welding angle steel or section steel materials; the carrier 3 may be of a square or circular configuration.

The supporting leg 1 is composed of connecting plates 1-4, connecting pin shafts 1-5, adjustable connecting rods 1-3, bottom feet 1-1 and reinforcing ribs 1-2, the connecting plates 1-4 can be welded with the bracket 3, two bosses 1-6 are arranged on the lower surfaces of the connecting plates 1-4, the direction of the bosses 1-6 is in the connecting line direction of two opposite angles of the connecting plates 1-4, a connecting hole is formed in the end portion of each boss 1-6, the connecting pin shafts 1-5 penetrate through the holes of the connecting pins, the adjustable connecting rods 1-3 are composed of connectors 1-3-4 and adjustable screws 1-3-3, and the lower portions of the adjustable screws 1-3-3 are welded with the bottom feet 1-1 and the reinforcing ribs 1-2.

The connector 1-3-4 of the adjustable connecting rod 1-3 is a short pipe with one closed end, the interior of the short pipe is provided with internal threads, and the internal threads are connected with the adjustable screw rod 1-3-3; the closed end of the short pipe is provided with a convex tongue 1-3-5, the convex tongue 1-3-5 can extend into the middle of two bosses 1-6 on the lower surface of the connecting plate 1-4, a connecting hole is processed on the convex tongue 1-3-5, and the connecting pin shaft 1-5 can penetrate through the connecting hole and form a movable joint with the two bosses 1-6.

The adjustable screw rod 1-3-3 can be a section of common external thread rod, and the lower end part of the external thread rod is welded with a plate-shaped bottom foot 1-1 and a reinforcing rib 1-2; or a section of double-threaded screw with positive and negative threads, wherein the middle part of the double-threaded screw is provided with a nut-shaped hexagonal platform 1-3-2, the lower threads of the double-threaded screw are opposite to the upper threads, the lower threads are connected with a section of internal threaded pipe 1-3-1 matched with the lower threads, and the bottom of the internal threaded pipe 1-3-1 is welded with a plate-shaped bottom foot 1-1 and a reinforcing rib 1-2.

As shown in fig. 4, it is a schematic view of the combination structure of the fine adjustment bracket, the auxiliary bracket 4 and the concrete embedded part 2 during installation.

In practical application, the installation site of the embedded part is often rugged, and when the fine adjustment bracket is directly placed on the ground or is placed on the ground through the auxiliary bracket 4, because the bracket 3 is not absolutely horizontal, the embedded part 2 placed on the bracket 3 is not vertical; at the moment, the adjustable screws 1-3-3 of the four supporting legs 1 of the precise adjustment support are sequentially adjusted, the height of each supporting leg 1 is changed, the bracket 3 of the precise adjustment support can be adjusted to be in a horizontal state, so that the embedded part can be adjusted to be in a vertical state, and meanwhile, the heights of the four supporting legs 1 can be simultaneously raised or lowered, so that the embedded part 2 can be adjusted to be in a required height; the connecting plates 1-4 of the supporting leg 1 are welded with the bracket 3, and during welding, the axis of the connecting pin shaft 1-5 of the supporting leg 1 is required to be vertical to the geometric central point of the bracket 3, so that the movable joint of the supporting leg 1 can rotate around the geometric central point of the bracket 3; after the installation and adjustment of the concrete embedded part 2 are finished, all adjustable parts and external connecting parts of the precision adjusting bracket are welded to form a firm whole, and the measured parameters are guaranteed to be kept unchanged in the subsequent concrete pouring process.

Claims

1. A precise adjustment bracket for a concrete embedded part is characterized in that the bracket is provided with a bracket capable of placing the embedded part, the lower part of the bracket is provided with four independent adjustable supporting legs, and the height of each supporting leg is adjusted in sequence to enable the bracket to be adjusted to be in a horizontal state or enable the bracket to be inclined towards different directions;

the supporting leg comprises connecting plate, connecting pin axle, adjustable connecting rod, footing and strengthening rib, connecting plate and bracket welding are in the same place, and the lower surface of connecting plate has two bosss, and the direction of boss is in the line direction of two diagonal angles of connecting plate, and the tip of every boss has all processed a connecting hole, and connecting pin axle passes from its hole, and adjustable connecting rod comprises connector and screw rod, and the lower part of screw rod and footing and strengthening rib welding are in the same place.

2. The precise adjustment bracket for the concrete embedded part according to claim 1, wherein the connector of the adjustable connecting rod is a short pipe with one closed end, the interior of the short pipe is provided with internal threads, and the internal threads are connected with a screw rod; the closed end of the short pipe is provided with a convex tongue, the convex tongue extends into the middle of the two bosses on the lower surface of the connecting plate, a connecting hole is formed in the convex tongue, and the connecting pin shaft penetrates through the connecting hole and forms a movable joint with the two bosses.

3. The precise adjustment bracket for the concrete embedded part according to claim 2, wherein the screw rod is a section of common external screw rod, and a plate-shaped bottom foot and a reinforcing rib are welded at the lower end part of the external screw rod; or a section of double-threaded screw with positive and negative threads, the middle part of the double-threaded screw is provided with a nut-shaped hexagonal platform, the lower part of the double-threaded screw is in threaded connection with a section of internal threaded pipe matched with the double-threaded screw, and the bottom of the internal threaded pipe is welded with a plate-shaped bottom foot and a reinforcing rib.

4. The fine adjustment bracket for the concrete embedded part according to claim 1, wherein the bracket is a one-piece metal plate or a planar frame welded by angle steel or section steel material; the bracket adopts a square structure or a round structure.