Displacement support structure of load box for self-balancing method static load test

Abstract

The utility model provides a displacement support structure of a load box for a self-balancing method static load test, and belongs to the technical field of load boxes. The displacement support structure of the load box for the self-balancing method static load test comprises a fixing assembly and a connecting assembly, a first bolt is in threaded connection with a bottom plate, and a displacement protection pipe and a displacement rod are both fixedly connected with the bottom plate. A displacement rod and a displacement protection pipe of the displacement rod are installed on the outer side of a reinforcement cage, after a load box is connected with the reinforcement cage, a bottom plate with the displacement protection pipe and the displacement rod is installed on a sliding rail, and the bottom plate is adjusted according to the distance between the outer side of the reinforcement cage and the load box and is positioned and fixed through a first bolt. And the displacement protection pipe and the displacement rod can be adjusted to the outer side of the reinforcement cage for installation, so that the installation efficiency of the displacement protection pipe and the displacement rod is improved, the installation time is saved, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of load box, in particular to a displacement support structure of load box for static load test by self-balancing method. BACKGROUND

[0002] The load box is a loading device for static load test by self-balancing method. The load box is buried at the self-balancing point of the test pile according to the test requirement. The displacement rod and its protective tube are connected with the surface of the load box through the displacement support and connected to the ground through the screw connection. The displacement of the surface of the load box is measured on the ground. However, the displacement support structure of the load box for static load test by self-balancing method has the following problems. The spacing between the main reinforcement and the stirrup of the steel reinforcement cage of the large-diameter pile is small. The connection operation of the displacement rod and its protective tube on the inner side of the steel reinforcement cage is difficult, which seriously affects the effective connection between the pipes and the pipes. At the same time, it also leads to a long time for installing the displacement rod and its protective tube, which affects the construction time of the pile. The original connection mode is difficult to operate and difficult to weld on the inner side, and there is a situation that the connection is not tight, which easily leads to the penetration of concrete slurry into the pipe, resulting in test failure, thereby reducing the practicability. CONTENT OF THE INVENTION

[0003] In order to make up for the above shortcomings, the present application provides a displacement support structure of load box for static load test by self-balancing method, which aims to improve the displacement support structure of load box for static load test by self-balancing method, the connection mode is difficult to operate, the inner side is difficult to weld, there is a situation that the connection is not tight, which easily leads to the penetration of concrete slurry into the pipe, resulting in test failure, thereby reducing the practicability.

[0004] The present application provides a displacement support structure of load box for static load test by self-balancing method.

[0005] The fixed component includes a load box, a support plate and a first bolt. The support plate is fixedly connected to both sides of the load box. The first bolt is arranged on one side of the support plate. The connection component includes a sliding rail, a fastener, a bottom plate, a displacement protective tube and a displacement rod. The sliding rail is in sliding connection with the support plate. A plurality of positioning holes are arranged on one side of the sliding rail. The first bolt is in sliding connection with the positioning holes. The sliding rail is in contact with the load box. The fastener is arranged at one end of the sliding rail. The fastener is connected with the load box. The bottom plate is in sliding connection with the sliding rail. The first bolt is in threaded connection with the bottom plate. The displacement protective tube and the displacement rod are both fixedly connected with the bottom plate.

[0006] In a specific embodiment, a first through hole is arranged on one side of the load box.

[0007] In the above implementation process, a first through hole is arranged on one side of the load box. The first through hole can play a connecting role.

[0008] In a specific embodiment, the support plate is provided with an L-shaped plate on one side, and the sliding rail is in contact with the L-shaped plate.

[0009] In the above implementation process, the support plate is provided with an L-shaped plate on one side, and the two L-shaped plates can limit the position of the sliding rail.

[0010] In a specific embodiment, the support plate is provided with a second through hole on one side, and the first bolt is in sliding connection with the second through hole.

[0011] In the above implementation process, the support plate is provided with a second through hole on one side, and the first bolt is in sliding connection with the second through hole.

[0012] In a specific embodiment, the sliding rail is provided with a sliding groove inside, and the bottom plate is in sliding connection with the sliding groove.

[0013] In the above implementation process, the sliding rail is provided with a sliding groove inside, and the sliding groove can limit the movement of the bottom plate.

[0014] In a specific embodiment, the fastener includes a fixed plate and a second bolt, the fixed plate is in fixed connection with the sliding rail, the second bolt is connected to one side of the fixed plate, and the second bolt is in threaded connection with the first through hole.

[0015] In the above implementation process, the second bolt is connected with the first through hole to fix the fixed plate on the load box, so as to fix the sliding rail on the load box, and the second bolt can facilitate the disassembly of the sliding rail. If the sliding rail is damaged, it is more convenient to disassemble relative to the welded connection.

[0016] In a specific embodiment, the bottom plate is provided with a threaded hole on one side, and the first bolt is in threaded connection with the threaded hole.

[0017] In the above implementation process, the bottom plate is provided with a threaded hole on one side, and the threaded hole can be used for connection.

[0018] Compared with the prior art, the beneficial effects of the application are: firstly, the bottom plate can be adjusted to the outside of the reinforcement cage according to the relative position of the load box and the reinforcement cage, the displacement rod and the displacement protection pipe are installed outside the reinforcement cage, after the connection of the load box and the reinforcement cage is completed, the bottom plate with the displacement protection pipe and the displacement rod is installed on the sliding rail, the bottom plate is adjusted and positioned and fixed by the first bolt according to the distance between the outside of the reinforcement cage and the load box, through the above method, the displacement protection pipe and the displacement rod can be adjusted and installed outside the reinforcement cage, so that the installation efficiency of the displacement protection pipe and the displacement rod is improved, the installation time is saved, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a displacement support structure structure schematic diagram of a load box for self-balancing method static load test provided by the embodiment of the application;

[0020] Figure 2 is a load box structure schematic diagram provided by the embodiment of the application;

[0021] Figure 3 is a sliding rail structure schematic diagram provided by the embodiment of the application;

[0022] Figure 4 is a bottom plate structure schematic diagram provided by the embodiment of the application.

[0023] In the figure: 100-fixed assembly; 110-load box; 111-first through hole; 120-support plate; 121-L-shaped plate; 122-second through hole; 130-first bolt; 200-connection assembly; 210-sliding rail; 211-sliding groove; 220-fastener; 221-fixing plate; 222-second bolt; 230-bottom plate; 231-threaded hole; 240-displacement protection pipe; 250-displacement rod; 260-positioning hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the application will be described below with reference to the drawings in the embodiments of the application.

[0025] To make the purposes, technical solutions and advantages of the embodiments of the application clearer, the technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are some of the embodiments of the application, but not all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.

[0026] Please refer to Figures 1-4 , the application provides a displacement support structure of a load box for self-balancing method static load test.

[0027] Please refer to Figures 1-2 , the fixed assembly 100 includes a load box 110, a support plate 120 and a first bolt 130, the support plate 120 is fixedly connected to both sides of the load box 110, the first bolt 130 is arranged on one side of the support plate 120, the support plate 120 is fixed by welding, which improves stability, and the load box 110 has a first through hole 111 arranged on one side, the first through hole 111 can be used for connection, the support plate 120 has an L-shaped plate 121 arranged on one side, the sliding rail 210 is in contact with the L-shaped plate 121, the two L-shaped plates 121 can be used for limiting and positioning the sliding rail 210, and the support plate 120 has a second through hole 122 arranged on one side, the first bolt 130 is in sliding connection with the second through hole 122, and the second through hole 122 can facilitate the first bolt 130 to pass through the support plate 120.

[0028] Please refer to Figure 1 , Figure 3 and Figure 4 , the connecting assembly 200 includes a sliding rail 210, a fastener 220, a bottom plate 230, a displacement protection tube 240 and a displacement rod 250, the sliding rail 210 is in sliding connection with the support plate 120, the sliding rail 210 has a plurality of positioning holes 260 arranged on one side, the first bolt 130 is in sliding connection with the positioning holes 260, the sliding rail 210 is in contact with the load box 110, the fastener 220 is arranged at one end of the sliding rail 210, the fastener 220 is connected with the load box 110, the bottom plate 230 is in sliding connection with the sliding rail 210, the first bolt 130 is in threaded connection with the bottom plate 230, and the displacement protection tube 240 and the displacement rod 250 are both fixedly connected with the bottom plate 230, so that the position of the bottom plate 230 can be conveniently adjusted.

[0029] In some specific embodiments, the sliding rail 210 has a sliding groove 211 arranged inside, the bottom plate 230 is in sliding connection with the sliding groove 211, the sliding groove 211 can limit the movement of the bottom plate 230, the fastener 220 includes a fixed plate 221 and a second bolt 222, the fixed plate 221 is fixedly connected with the sliding rail 210, the second bolt 222 penetrates one side of the fixed plate 221 and is in threaded connection with the first through hole 111, the fixed plate 221 can be fixed on the load box 110 through the connection of the second bolt 222 and the first through hole 111, so that the sliding rail 210 can be fixed on the load box 110, and the sliding rail 210 can be conveniently disassembled through the second bolt 222, and the welding connection mode is more convenient for disassembly if the sliding rail 210 is damaged, the bottom plate 230 has a threaded hole 231 arranged on one side, the first bolt 130 is in threaded connection with the threaded hole 231, and the threaded hole 231 can be used for connection.

[0030] The working principle of the displacement support structure of the load box for the self-balancing static load test is as follows: in use, the fixed plate 221 can be fixed on the load box 110 through the connection of the second bolt 222 and the first through hole 111, so that the sliding rail 210 can be fixed on the load box 110, and the sliding rail 210 can be conveniently disassembled through the second bolt 222. If the sliding rail 210 is damaged, it is more convenient to disassemble relative to the welded connection mode. The bottom plate 230 can be adjusted to the outside of the reinforcement cage according to the relative position of the load box 110 and the reinforcement cage. The displacement rod 250 and its displacement protection tube 240 are installed outside the reinforcement cage. After the connection of the load box 110 and the reinforcement cage is completed, the bottom plate 230 with the displacement protection tube 240 and the displacement rod 250 is installed on the sliding rail 210. According to the distance between the outside of the reinforcement cage and the load box 110, the bottom plate 230 is adjusted and fixed with the first bolt 130. Through the above method, the displacement protection tube 240 and the displacement rod 250 can be adjusted and installed outside the reinforcement cage. In this way, the installation efficiency of the displacement protection tube 240 and the displacement rod 250 is improved, the installation time is saved, and the practicality is improved.

[0031] It should be noted that the specific model and specification of the load box 110 need to be selected and determined according to the actual specification of the device. The specific selection calculation method adopts the existing technology in the art, and therefore will not be described in detail.

[0032] The power supply of the load box 110 and its principle are clear to those skilled in the art, and will not be described in detail here.

[0033] The above is only an embodiment of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which shall be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A displacement support structure of a load box for a self-balancing method static load test, characterized by, Comprising The fixed assembly (100) includes a load box (110), a support plate (120) and a first bolt (130), the support plate (120) is fixedly connected to both sides of the load box (110), and the first bolt (130) is arranged on one side of the support plate (120); The connecting assembly (200) includes a sliding rail (210), a fastener (220), a bottom plate (230), a displacement protection tube (240) and a displacement rod (250), the sliding rail (210) is in sliding connection with the support plate (120), a plurality of positioning holes (260) are arranged on one side of the sliding rail (210), the first bolt (130) is in sliding connection with the positioning holes (260), the sliding rail (210) is in contact with the load box (110), the fastener (220) is arranged at one end of the sliding rail (210), the fastener (220) is connected with the load box (110), the bottom plate (230) is in sliding connection with the sliding rail (210), the first bolt (130) is in threaded connection with the bottom plate (230), and the displacement protection tube (240) and the displacement rod (250) are fixedly connected with the bottom plate (230).

2. The displacement support structure of the load box for self-balanced method static load test according to claim 1, characterized in that, A first through hole (111) is arranged on one side of the load box (110).

3. The displacement support structure of the load cell for self-balanced method static load test according to claim 1, characterized in that, An L-shaped plate (121) is arranged on one side of the support plate (120), and the sliding rail (210) is in contact with the L-shaped plate (121).

4. The displacement support structure of the load cell for self-balanced method static load test according to claim 1, characterized in that, A second through hole (122) is arranged on one side of the support plate (120), and the first bolt (130) is in sliding connection with the second through hole (122).

5. The displacement support structure of the load cell for self-balanced method static load test according to claim 1, characterized in that, A sliding groove (211) is arranged in the sliding rail (210), and the bottom plate (230) is in sliding connection with the sliding groove (211).

6. The displacement support structure of the load cell for self-balanced method static load test according to claim 2, characterized in that, The fastener (220) includes a fixed plate (221) and a second bolt (222), the fixed plate (221) is fixedly connected with the sliding rail (210), the second bolt (222) penetrates one side of the fixed plate (221), and the second bolt (222) is in threaded connection with the first through hole (111).

7. The displacement support structure of the load cell for self-balanced method static load test according to claim 1, characterized in that, A threaded hole (231) is arranged on one side of the bottom plate (230), and the first bolt (130) is in threaded connection with the threaded hole (231).

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