Steel pipe column verticality adjusting structure during steel pipe column insertion

Abstract

The utility model relates to the field of cast -in -place pile technique discloses steel pipe column perpendicularity adjusting structure in the process of inserting steel pipe column, including setting up total power station and opening the hole on the ground, the hole is provided with the support platform on the ground directly above, the center of support platform is provided with the connecting mouth, the circumference on connecting mouth is provided with a plurality of connecting plates, a plurality of connecting plates all are screw -threaded with the locating screw rod, the same steel pipe column is movably inserted between a plurality of locating bolts, the center point position of tool column is adjusted through the telescopic locating screw rod on the support platform, and the error is controlled by real -time measurement with total power station, when the steel pipe column is inserted, first it is adjusted to vertical, and the tool column inclination angle is recorded, after the steel pipe column is inserted into the hole completely, the tool column inclination angle recorded before is kept unchanged, to reach the purpose of guaranteeing the perpendicularity of steel pipe column, eliminates the influence of butt joint error to perpendicularity positioning.

Description

Technical Field

[0001] This utility model patent relates to the field of cast-in-place pile technology, specifically to a structure for adjusting the verticality of a steel pipe column during the insertion process. Background Technology

[0002] When underground structures are constructed using the reverse construction method, the foundation piles typically employ a bottom-grown cast-in-place pile + structural column configuration, with steel pipe structural piles being a common form. As a permanent structure, steel pipe structural piles require stringent control over positioning and verticality. In reverse construction foundation engineering, the verticality deviation of the steel pipe structural column cannot exceed 1 / 300, and in some cases, it must reach 1 / 500. To ensure high precision, a full-casing full-rotation drilling rig is usually used for positioning. Since the full-casing full-rotation drilling rig extends approximately 3.5 meters above ground level, and the top elevation of the steel pipe column is generally below ground level, a tool column is used to connect the steel pipe structural column to the drilling rig borehole for auxiliary positioning. The tool column and steel pipe column are usually prefabricated in the factory and transported to the site for assembly after acceptance testing. Therefore, in addition to meeting the accuracy requirements for steel pipe structural column positioning, even higher requirements are placed on the docking accuracy between the steel pipe column and the tool column. Utility Model Content

[0003] The purpose of this invention is to provide a steel pipe column verticality adjustment structure during the insertion of the steel pipe column, aiming to solve the problem of high docking accuracy between the steel pipe column and the tool column in the prior art.

[0004] This utility model is implemented as follows: a verticality adjustment structure for the steel pipe column during insertion includes a total station set on the ground and a hole opened on the ground. A support platform is set on the ground directly above the hole. A connection port is opened at the center of the support platform. Several connecting plates are arranged around the circumference of the connection port. Each of the several connecting plates is threaded with a positioning screw. The same steel pipe column is movably inserted between the several positioning screws. A tool column is set on the top of the steel pipe column. An tilt sensor is installed on the top of the tool column. The tilt sensor is electrically connected to the several connecting plates on the same control system.

[0005] Preferably, both the steel pipe column and the tool column are provided with a number of connection holes, and corresponding connection bolts and connection nuts are adapted to the connection holes.

[0006] Preferably, before the steel pipe column is connected to the tool column, the steel pipe pile is lifted by multiple cranes working together, and the operation of putting the steel pipe column into the hole is also completed by cranes.

[0007] Preferably, the bottom of the tool column has two pressure relief holes, which are symmetrically arranged and have a diameter of 12cm.

[0008] Preferably, after the connecting bolts and connecting nuts connect the connecting steel pipe column and the tool column, the connecting nuts are all fixed to the steel pipe column by welding.

[0009] Preferably, the structure is equipped with a data terminal that can display the tilt angle reading in real time, and the tilt sensor is connected to the data terminal via a transmission line.

[0010] Preferably, a flange is installed on the top of the tool column, a bracket is installed on the flange, and the tilt sensor is mounted on the bracket.

[0011] Preferably, a bidirectional lead screw is rotatably connected to the bracket, one end of the bidirectional lead screw is connected to a knob, and both ends of the bidirectional lead screw are threadedly connected to clamps, with the tilt sensor located between the two clamps.

[0012] Preferably, both clamps are slidably connected with rubber pads, the two rubber pads are arranged opposite to each other, and the sides of the clamps connected to them are covered.

[0013] Preferably, the bracket is equipped with a slide bar, and both clamps are slidably connected to the slide bar.

[0014] Compared with the prior art, the verticality adjustment structure of the steel pipe column provided by this utility model during the insertion process of the steel pipe column adjusts the position of the center point of the tool column by extending and retracting the positioning screw on the support platform, and uses a total station to measure in real time to control the error; when inserting the steel pipe column, it is first adjusted to be vertical and the tilt angle of the tool column is recorded. After the steel pipe column is fully inserted into the hole, the previously recorded tilt angle of the tool column is kept unchanged to ensure the verticality of the steel pipe column and eliminate the influence of docking error on verticality positioning. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the steel pipe column verticality adjustment structure provided by this utility model during the insertion process;

[0016] Figure 2 This is a schematic diagram of the position structure of the support platform and positioning screw of the steel pipe column verticality adjustment structure provided by this utility model during the insertion process of the steel pipe column;

[0017] Figure 3 This is a schematic diagram of the support and tilt sensor of the steel pipe column verticality adjustment structure during the insertion process provided by this utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the steel pipe column and tool column in the steel pipe column verticality adjustment structure provided by this utility model during the insertion process.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Hole; 2. Support platform; 3. Connection port; 4. Positioning screw; 5. Connecting plate; 6. Steel pipe column; 7. Tool column; 8. Tilt sensor; 9. Total station; 10. Connection hole; 11. Connecting bolt; 12. Connecting nut; 13. Flange; 14. Bracket; 15. Pressure relief hole; 16. Two-way lead screw; 17. Knob; 18. Clamping plate; 19. Rubber pad; 20. Slide rod. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] The implementation of this utility model will be described in detail below with reference to specific embodiments.

[0023] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0024] Reference Figure 1-4 The image shown is a preferred embodiment of the present invention.

[0025] The verticality adjustment structure for the steel pipe column during insertion includes a total station 9 set on the ground and a hole 1 opened on the ground. A support platform 2 is set on the ground directly above the hole 1. A connection port 3 is opened at the center of the support platform 2. Several connecting plates 5 are arranged around the circumference of the connection port 3. Each of the several connecting plates is threaded with a positioning screw 4. The same steel pipe column 6 is movably inserted between the several positioning screws 4. A tool column 7 is set on the top of the steel pipe column 6. An inclination sensor 8 is installed on the top of the tool column 7. The inclination sensor 8 and the several connecting plates 5 are electrically connected to the same control system.

[0026] The principle of tilt angle realignment of tool column 7 is as follows: Before steel pipe column 6 is inserted into hole 1, steel pipe column 6 and tool column 7 are firmly connected on ordinary docking platform, and tilt sensor 8 is pre-installed on top of tool column 7; when steel pipe column 6 is inserted into hole 1, the lowering is stopped after the bottom of steel pipe column 6 is completely inside hole 1. At this time, the verticality of steel pipe column 6 is monitored by total station 9, and the tilt angle of tool column 7 is measured by tilt sensor 8. The verticality of steel pipe column 6 is adjusted by positioning screw 4 installed on support platform 2. During the adjustment of the positioning screw 4, the total station 9 monitors the verticality of the steel pipe column 6 in real time. When the verticality of the steel pipe column 6 meets the design requirements, the tilt angle readings θ1 and θ2 of the tool column 7 in the X and Y axes are recorded. Then, the positioning screw 4 is moved away from the steel pipe column 6 to release the limiting and fixing effect of the positioning screw 4 on the steel pipe column 6. After that, the steel pipe column 6 is put into the hole 1. When the steel pipe column 6 is put into the appropriate position, the tilt angle of the tool column 7 is adjusted by the positioning screw 4 to restore it to the originally measured θ1 and θ2 so that the verticality of the steel pipe column 6 meets the positioning requirements.

[0027] Specifically, in this embodiment, both the steel pipe column 6 and the tool column 7 are provided with a number of connection holes 10, and the connection holes 10 are equipped with corresponding connection bolts 11 and connection nuts 12. By providing a number of connection holes 10 on the steel pipe column 6 and the tool column 7, the steel pipe column 6 and the tool column 7 can be connected by the cooperation of the connection bolts 11 and the connection nuts 12.

[0028] Specifically, in this embodiment, before the steel pipe column 6 is connected to the tool column 7, the steel pipe column 6 is lifted by multiple cranes working together, and the operation of putting the steel pipe column 6 into the hole 1 is also completed by cranes, thereby avoiding the problems of the large total length and weight of the steel pipe column 6 and the tool column 7, which makes them inconvenient to put into the hole.

[0029] Specifically, in this embodiment, two pressure relief holes 15 are provided at the bottom of the tool column 7. The two pressure relief holes 15 are symmetrically arranged and have a diameter of 12cm. By opening the pressure relief holes 15, the mud inside the tool column 7 is sucked out, and the mud head inside the borehole is effectively reduced, so that the mud pressure inside and outside the tool column 7 is balanced, avoiding mud gushing when disassembling the tool column 7 and eliminating construction safety hazards.

[0030] Specifically, in this embodiment, after several connecting bolts 11 and connecting nuts 12 connect the connecting steel pipe column 6 and the tool column 7, several connecting nuts 12 are fixed to the steel pipe column 6 by welding, so that the connection between the connecting bolts 11 and the corresponding connecting nuts 12 is tighter, thereby improving the connection stability between the steel pipe column 6 and the tool column 7.

[0031] Specifically, in this embodiment, the structure is equipped with a data terminal, which can display the tilt angle reading in real time. The tilt sensor 8 is connected to the data terminal through a transmission line, so that the tilt angle of the steel pipe column 6 can be directly read and displayed through the data terminal. Compared with ordinary inclinometers, the minimum resolution of this detection system reaches 0.001, and its accuracy and resolution are greatly improved.

[0032] Specifically, in this embodiment, a flange 13 is installed on the top of the tool column 7, and a bracket 14 is installed on the flange 13. The tilt sensor 8 is set on the bracket 14, so that the tilt sensor 8 can be connected to the tool column 7 through the bracket 14 and the flange 13, thereby providing a connection basis for the tilt sensor 8.

[0033] Specifically, in this embodiment, a bidirectional lead screw 16 is rotatably connected to the bracket 14. One end of the bidirectional lead screw 16 is connected to a knob 17, and both ends of the bidirectional lead screw 16 are threadedly connected to clamps 18. The tilt sensor 8 is located between the two clamps 18, so that rotating the knob 17 can drive the bidirectional lead screw 16 to rotate synchronously, thereby driving the two clamps 18 to move relative to each other, thereby achieving the purpose of fixing the tilt sensor 8 through the clamps 18.

[0034] Specifically, in this embodiment, rubber pads 19 are slidably connected to both clamps 18. The two rubber pads 19 are arranged opposite to each other and cover the side of the clamps 18 to which they are connected. When the tilt sensor 8 is fixed by the clamps 18, the two rubber pads 19 will first release from the tilt sensor 8, thereby providing protection for it and increasing the friction when the two come into contact.

[0035] Specifically, in this embodiment, a slide bar 20 is installed on the bracket 14, and two clamping plates 18 are slidably connected to the slide bar 20. This allows the two clamping plates 18 to be slidably connected to the bracket 14 via the slide bar 20 while being driven by the bidirectional lead screw 16, thereby restricting the movement direction of the clamping plates 18 so that the two clamping plates 18 can only move in the horizontal direction, thus achieving the purpose of fixing the tilt sensor 8.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel pipe column verticality adjusting structure in a steel pipe column insertion process, comprising a total station arranged on a ground and a hole opened on the ground, a support platform being arranged on the ground directly above the hole, characterized in that, The support platform has a connection port at its center, and several connection plates are arranged around the circumference of the connection port. Each of the connection plates is threaded with a positioning screw. The same steel pipe column is movably inserted between the several positioning screws. A tool column is set on the top of the steel pipe column, and an tilt sensor is installed on the top of the tool column. The tilt sensor is electrically connected to the several connection plates on the same control system.

2. The steel pipe column insertion process steel pipe column perpendicularity adjusting structure according to claim 1, wherein, Both the steel pipe column and the tool column are provided with several connection holes, and corresponding connection bolts and connection nuts are fitted into the connection holes.

3. The steel pipe column insertion process verticality adjusting structure of claim 1, wherein, Before connecting the steel pipe column to the tool column, the steel pipe pile is lifted by multiple cranes working together, and the operation of putting the steel pipe column into the hole is also completed by cranes.

4. The steel pipe column insertion process verticality adjusting structure of claim 1, wherein, The tool column has two pressure relief holes at its bottom, which are symmetrically arranged and have a diameter of 12cm.

5. The steel pipe column insertion process verticality adjusting structure of claim 2, wherein, After the connecting bolts and connecting nuts connect the connecting steel pipe column and the tool column, the connecting nuts are fixed to the steel pipe column by welding.

6. The steel pipe column verticality adjustment structure during the insertion process of the steel pipe column as described in claim 1, characterized in that, The structure is equipped with a data terminal that can display tilt angle readings in real time. The tilt sensor is connected to the data terminal via a transmission line.

7. The steel pipe column verticality adjustment structure during the insertion process of the steel pipe column as described in claim 1, characterized in that, A flange is installed on the top of the tool column, and a bracket is mounted on the flange. The tilt sensor is mounted on the bracket.

8. The steel pipe column verticality adjusting structure during insertion of the steel pipe column according to claim 7, wherein A bidirectional lead screw is rotatably connected to the bracket. A knob is connected to one end of the bidirectional lead screw, and clamps are threaded to both ends of the bidirectional lead screw. The tilt sensor is located between the two clamps.

9. The steel pipe column verticality adjusting structure during insertion of the steel pipe column according to claim 8, wherein Both clamps are slidably connected to rubber pads, which are arranged opposite to each other and cover the sides of the clamps to which they are connected.

10. The steel pipe column verticality adjusting structure in a steel pipe column insertion process according to claim 8, wherein The bracket is equipped with a sliding rod, and both clamps are slidably connected to the sliding rod.

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