Device for improving vertical static load pull-out test of single pile

Abstract

The utility model relates to the technical field of anti-pulling tests, in particular to a device for improving a single-pile vertical static load anti-pulling test, which comprises a pile surface and a bedplate, the surface of the pile surface is fixedly connected with a fixing block and a reinforcing steel bar, the surface of the fixing block is connected with a supporting block in an abutting manner, the surface of the supporting block is connected with an abutting plate in an abutting manner, and the abutting plate is connected with the bedplate in an abutting manner. The surface of the abutting plate is fixedly connected with a supporting column, a connecting rod is connected to the surface of the table plate in an inserted mode, an adjusting groove is formed in the surface of the table plate in a penetrating mode, and the outer surface of the connecting rod is sleeved with a gasket. Under the welding of the connecting rod and the reinforcing steel bar, under the action of the adjusting groove, the action position of the connecting rod is changed, the connecting range of the connecting rod and the reinforcing steel bar is enlarged, the mounting operation is simple, the shape of the reinforcing steel bar is not changed, the project progress is ensured, only the lengthened reinforcing steel bar needs to be cut after a test, and the quality of the pile foundation anchored reinforcing steel bar is not influenced; the working efficiency is improved, and the quality problems of the pile foundation and the bottom plate are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pull-out test, in particular to a device for improving the vertical static load pull-out test of a single pile. Background Art

[0002] The single pile vertical pullout static load test is a test method that uses a test method close to the actual working conditions of the vertical pullout pile to determine the vertical pullout ultimate bearing capacity of the single pile. It is the most intuitive and reliable method. However, when using the existing static load pullout test equipment, the way of connecting the single pile steel bars is cumbersome, and the steel bars need to be fitted on the equipment connection ring, changing the shape of the steel bars. This not only affects the progress of the project, but also causes great damage to the steel bars anchored in the pile foundation after the test, thereby affecting the quality of the pile foundation and the base plate. Utility Model Content

[0003] The purpose of the utility model is to provide a device for improving the vertical static load pull-out test of a single pile, so as to solve the problem that the single pile reinforcement connection method proposed in the above-mentioned background technology is cumbersome, and the reinforcement needs to be fitted on the equipment connection ring, which changes the shape of the reinforcement, not only affecting the progress of the project, but also causing great damage to the reinforcement anchored in the pile foundation after the test, thereby affecting the quality of the pile foundation and the base plate.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for improving the vertical static load pull-out test of a single pile, comprising a pile surface and a table plate, the surface of the pile surface is fixedly connected with a fixed block and a steel bar, the surface of the fixed block is abuttedly connected with a support block, the surface of the support block is abuttedly connected with an abutment plate, the surface of the abutment plate is fixedly connected with a support column, the surface of the table plate is plug-connected with a connecting rod, the surface of the table plate is penetrated with an adjustment groove, the outer surface of the connecting rod is sleeved with a gasket, and the outer surface of the connecting rod is sleeved with a screw ring through a thread.

[0005] Preferably, the support block acts on the pile surface through the fixed block, and the support block and the fixed block are distributed in a "well" shape.

[0006] Preferably, the abutment plate is in a plate shape and acts on the surface of the support block, and both ends of the support column act between the platform and the abutment plate.

[0007] Preferably, the platform acts on the pile surface through support columns, and the support columns and the abutment plates are distributed in two groups at both ends of the platform.

[0008] Preferably, the connecting rod acts on the top of the steel bar through a table, and the connecting rod and the steel bar are welded together.

[0009] Preferably, the adjustment groove is distributed on the surface of the table top in the shape of a long groove, and the connecting rod passes through the surface of the table top through the adjustment groove.

[0010] Preferably, the gasket is abutted and connected with the table plate via a connecting rod, and the screw ring is abutted and connected with the gasket via a connecting rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Through the connection between the table and the connecting rod, under the welding of the connecting rod and the steel bar, the action position of the connecting rod is changed through the action of the adjusting groove, and the connection range of the connecting rod and the steel bar is increased. The installation operation is simple, the shape of the steel bar is not changed, and the progress of the project is guaranteed. After the test, only the lengthened steel bar needs to be cut, which will not affect the quality of the pile foundation anchored steel bar itself, thereby improving work efficiency and reducing quality problems of the pile foundation and the base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of a three-dimensional explosion of the structure of the utility model;

[0015] Figure 3 It is a three-dimensional exploded schematic diagram of the connection structure of the table plate and the connecting rod of the utility model;

[0016] Figure 4 It is a partial cross-sectional three-dimensional schematic diagram of the structure of the tabletop of the utility model;

[0017] Figure 5 It is a three-dimensional schematic diagram of the connection structure of the connecting rod and the steel bar of the utility model.

[0018] In the figure: 1. pile surface; 2. fixing block; 3. steel bar; 4. support block; 5. abutment plate; 6. support column; 7. table plate; 8. connecting rod; 9. adjustment groove; 10. gasket; 11. screw ring. DETAILED DESCRIPTION

[0019] See also Figure 1-5 , an embodiment provided by the utility model:

[0020] A device for improving the vertical static load pullout test of a single pile comprises a pile surface 1 and a table 7, wherein a fixed block 2 and a steel bar 3 are fixedly connected to the surface of the pile surface 1, a support block 4 is abuttedly connected to the surface of the fixed block 2, a support block 4 is abuttedly connected to the surface of the support block 4, a support plate 5 is fixedly connected to the surface of the support plate 5, a support column 6 is fixedly connected to the surface of the table 7, a connecting rod 8 is plugged and connected to the surface of the table 7, an adjustment groove 9 is penetrated through the surface of the table 7, a gasket 10 is sleeved on the outer surface of the connecting rod 8, a screw ring 11 is sleeved on the outer surface of the connecting rod 8 through a thread, and through the connection between the pile surface 1 and the fixed block 2 and the connection between the connecting rod 8 and the steel bar 3, the static load pullout test operation of the steel bar 3 is realized.

[0021] Furthermore, the support block 4 acts on the pile surface 1 through the fixed block 2, and the support block 4 and the fixed block 2 are distributed in a "well" shape. Through the abutment connection between the support block 4 and the fixed block 2, under the action of the support block 4, the support effect on the action position of the abutment plate 5 is achieved.

[0022] Furthermore, the resist plate 5 acts on the surface of the support block 4 in a plate shape, and the two ends of the support column 6 act between the platform 7 and the resist plate 5. Through the abutment connection between the resist plate 5 and the support block 4, and the connection between the support column 6 and the platform 7, the support and control effect of the action position of the platform 7 is achieved.

[0023] Furthermore, the platform 7 acts on the pile surface 1 through the support column 6. The support column 6 and the abutment plate 5 are distributed in two groups at both ends of the platform 7. Through the connection between the platform 7 and the support column 6, and the connection between the support column 6 and the abutment plate 5, under the action of the support column 6, the supporting effect of the platform 7 on the supporting block 4 is achieved.

[0024] Furthermore, the connecting rod 8 acts on the top of the steel bar 3 through the table 7, and the connecting rod 8 and the steel bar 3 are welded together. Through the connection between the table 7 and the connecting rod 8, under the action of the connecting rod 8, the welding of the connecting rod 8 and the steel bar 3 facilitates the pull-out test operation of the steel bar 3.

[0025] Furthermore, the adjustment groove 9 is distributed in the surface of the table top 7 in the shape of a long groove, and the connecting rod 8 passes through the surface of the table top 7 through the adjustment groove 9. Through the connection between the table top 7 and the adjustment groove 9, the connecting rod 8 and the adjustment groove 9 can change the action position of the connecting rod 8 on the table top 7, thereby improving the use range and performance of the connecting rod 8 on the table top 7.

[0026] Furthermore, the gasket 10 is abuttedly connected to the table plate 7 through the connecting rod 8, and the screw ring 11 is abuttedly connected to the connecting rod 8 and the gasket 10. Under the connection between the gasket 10 and the connecting rod 8, the connection between the screw ring 11 and the connecting rod 8 achieves a supporting effect on the connecting rod 8 at the working position on the table plate 7.

[0027] Working principle: When conducting a pull-out test on the steel bar 3, first place the abutment plate 5 on the corresponding support block 4, and connect the abutment plate 5 with the support column 6, and then connect the support column 6 with the table plate 7, so as to support the working position of the table plate 7. Then, weld the connecting rod 8 and the steel bar 3 together, and connect the connecting rod 8 with the gasket 10, and then connect the screw ring 11 with the connecting rod 8, so as to achieve the control and support effect of the working position of the connecting rod 8 on the table plate 7. Under the action of the adjusting groove 9, the working position of the connecting rod 8 on the table plate 7 is changed, so as to improve the use range and performance of the connecting rod 8 on the table plate 7.

Claims

1. A device for improving the vertical static load pullout test of a single pile, comprising a pile surface and a platform, characterized in that: The surface of the pile surface is fixedly connected with a fixing block and a steel bar, the surface of the fixing block is abuttedly connected with a supporting block, the surface of the supporting block is abuttedly connected with a supporting plate, the surface of the supporting plate is fixedly connected with a supporting column, the surface of the table plate is plug-connected with a connecting rod, the surface of the table plate is penetrated with an adjustment groove, the outer surface of the connecting rod is sleeved with a gasket, and the outer surface of the connecting rod is sleeved with a screw ring through a thread.

2. A device for improving the vertical static load pullout test of a single pile according to claim 1, characterized in that: The support block acts on the pile surface through the fixed block, and the support block and the fixed block are distributed in a "well" shape.

3. The device for improving the vertical static load pullout test of a single pile according to claim 1, characterized in that: The abutment plate is in a plate shape and acts on the surface of the support block, and the two ends of the support column act between the platform and the abutment plate.

4. The device for improving the vertical static load pullout test of a single pile according to claim 1, characterized in that: The platform acts on the pile surface through the support columns, and the support columns and the abutment plates are distributed in two groups at both ends of the platform.

5. The device for improving the vertical static load pullout test of a single pile according to claim 1, characterized in that: The connecting rod acts on the top of the steel bar through the table plate, and the connecting rod and the steel bar are welded together.

6. The device for improving the vertical static load pullout test of a single pile according to claim 1, characterized in that: The adjusting grooves are distributed on the surface of the table in the shape of long grooves, and the connecting rods pass through the surface of the table through the adjusting grooves.

7. The device for improving the vertical static load pullout test of a single pile according to claim 1, characterized in that: The gasket is abutted and connected with the table plate through a connecting rod, and the screw ring is abutted and connected with the gasket through a connecting rod.

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