CN108252337A - A kind of pile foundation drags the multi-functional stress test device changed - Google Patents

Abstract

The multi-functional stress test device changed is dragged the invention discloses a kind of pile foundation, relates generally to technical field of building construction.Including at least three arc-shaped bases, connection support plate is equipped between the two neighboring arc-shaped base, the top of the arc-shaped base is equipped with several supporting racks from bottom to top, bar is vertically directed there are two being set on support frame as described above, it is vertically directed described in two between bar equipped with supporting block, arcuately pedestal is radially provided with guide rail for the top of the supporting block, the top of the guide rail is equipped with support slipper, on the support slipper horizontally-supported column is equipped with close to the side in the center of circle of arc-shaped base, the described one end of horizontally-supported column far from support slipper is equipped with stress meter mounting bracket, it is vertically-mounted on the stress meter mounting bracket to have Reinforcement Stress-count.The beneficial effects of the present invention are：Reinforcement Stress-count can be quickly installed in place by it, can be shortened the installation occupied time of Reinforcement Stress-count, can be improved working efficiency.

Description

A multifunctional stress testing device for dragging and changing pile foundations

technical field

The invention relates to the technical field of building construction, in particular to a multifunctional stress testing device for dragging and changing pile foundations.

Background technique

Pile foundation dragging and replacement is a way of foundation treatment and reinforcement. It is generally used for the reconstruction of the underground foundation of buildings. It mainly solves the foundation reinforcement problems of existing buildings, the need to build underground projects under the foundation of existing buildings, and the impact of new construction projects. When it comes to the safety of existing buildings, it needs to be dealt with. Therefore, the stress test after the pile foundation is towed and replaced is particularly important. Manually, a variety of tools are needed to install the steel bar stress gauge in place. The installation process of the steel bar stress gauge takes up a lot of time and the work efficiency is low.

Contents of the invention

The purpose of the present invention is to provide a multifunctional stress testing device for dragging and changing pile foundations, which can quickly install the steel bar stress gauge in place, shorten the time taken for installation of the steel bar stress gauge, and improve work efficiency.

In order to achieve the above object, the present invention is achieved through the following technical solutions:

A multi-functional stress testing device for dragging and changing pile foundations, comprising at least three arc-shaped bases, a connecting support plate is arranged between two adjacent arc-shaped bases, and the bottom surface of the connecting support plate and the arc-shaped base The bottom surfaces are coplanar, and both ends of the bottom of the arc-shaped base are provided with installation grooves compatible with the connection support plate, the installation groove is provided with a connection column, and the connection support plate is provided with The installation hole, the width of the installation groove is greater than the width of the connection support plate, the connection support plate is connected with the arc base through the connection column, the length of the connection support plate is adjustable, and the arc base is far away from the arc One side of the center of the arc-shaped base is provided with a base plate, the bottom surface of the base plate is coplanar with the bottom surface of the arc-shaped base, the base plate is provided with anchor bolts, and the top of the arc-shaped base is provided with several A support frame, a support seat is provided between the adjacent support frames, the support seat is detachably connected to the support frame, and the support frame is provided with two vertical guide rods, the vertical guide rods and the support frame Fixedly connected, a support block is provided between the two vertical guide rods, and guide sleeves compatible with the vertical guide rods are provided at both ends of the support block, and the top of the support block is along the arc-shaped base. Guide rails are radially provided, and a support slider is provided on the top of the guide rail, and the support slider is slidably connected with the guide rail, and a horizontal support column is provided on the side of the support slider near the center of the arc-shaped base, and the One end of the horizontal support column away from the support slider is provided with a strain gauge mounting frame, one end of the horizontal support column is fixedly connected to the support slider, and the other end is fixedly connected to the stress gauge mounting frame, and the stress gauge mounting frame is vertically installed There is a steel bar stress gauge, the end of the support slider away from the horizontal support column is horizontally provided with a first electric push rod, the end of the top of the guide rail away from the center of the circle of the arc-shaped base is provided with a first mounting seat, and the first electric push rod One end of the push rod is connected with the first mounting seat, and the other end is connected with the support slider. The bottom of the support block is vertically provided with the second electric push rod, and the middle part of the bottom of the support frame is provided with the second electric push rod. The rod is adapted to the second mounting seat, one end of the second electric push rod is connected to the second mounting seat, and the other end is connected to the support block.

A reinforcing rib is provided between the arc-shaped base and the bottom plate.

A connecting rod is arranged between two supporting bases on the same horizontal plane on two adjacent arc-shaped bases.

A ladder is provided on the support frame.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention adopts a detachable structure as a whole, which can facilitate the transportation and installation of the present invention. The connecting support plate connects the arc-shaped base together, which can increase the contact area between the present invention and the ground, and can ensure the stability of the support of the present invention. Each supporting frame is equipped with a steel bar stress gauge, through which the stress of the pile body can be detected, and the number of supporting frames required can be installed according to the needs, and the steel bar stress gauge can be lifted to the position to be detected by the second electric push rod. At the same height, the steel bar stress gauge can be pushed to the position to be detected by the first electric push rod, the steel bar stress gauge can be quickly installed in place, the time taken for installation of the steel bar stress gauge can be shortened, and the work efficiency can be improved.

2. A reinforcing rib is provided between the arc-shaped base and the bottom plate of the present invention, which can improve the stability of the arc-shaped base.

3. In the present invention, a connecting rod is provided between the two supporting seats on the same horizontal plane on two adjacent arc-shaped bases, which can improve the stability of the overall structure of the present invention.

4. The support frame of the present invention is provided with a ladder, which is convenient for climbing and can facilitate the assembly of the present invention.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention.

Labels in the attached drawings: 1. Arc-shaped base; 2. Connecting support plate; 3. Installation groove; 4. Connecting column; 5. Bottom plate; 6. Anchor bolt; 7. Support frame; 8. Support seat; Straight guide rod; 10, support block; 11, guide sleeve; 12, guide rail; 13, support slider; 14, horizontal support column; ; 18, the first mounting seat; 19, the second electric push rod; 20, the second mounting seat; 21, the reinforcing rib; 22, the connecting rod.

Detailed ways

Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined in the present application.

The present invention is a multifunctional stress testing device for dragging and changing pile foundations, which includes at least three arc-shaped bases 1, and connecting support plates 2 are arranged between two adjacent arc-shaped bases 1, and the connecting supports The bottom surface of the plate 2 is coplanar with the bottom surface of the arc-shaped base 1, and both ends of the bottom of the arc-shaped base 1 are provided with installation grooves 3 compatible with the connection support plate 2, and the installation grooves 3 are provided with connecting columns 4. The connection support plate 2 is provided with installation holes compatible with the connection column 4, and the connection support plate 2 connects the arc-shaped base 1 together, which can increase the contact area between the present invention and the ground, and can ensure the support of the present invention. stability. The width of the installation groove 3 is greater than the width of the connection support plate 2, and the connection support plate 2 is rotationally connected with the arc-shaped base 1 through the connection column 4. The length of the connection support plate 2 is adjustable, and can be adjusted according to two adjacent The distance between the arc-shaped bases 1 adjusts the length of the connecting support plate 2, which can be adapted to different usage needs. A base plate 5 is provided on the side of the arc base 1 away from the center of the arc base 1, the bottom surface of the base plate 5 is coplanar with the bottom surface of the arc base 1, and the base plate 5 is provided with anchor bolts 6, The position of the arc-shaped base 1 is fixed by anchor bolts 6 . The top of the arc-shaped base 1 is provided with several support frames 7 from bottom to top, and a support seat 8 is provided between adjacent support frames 7, and the support seat 8 is detachably connected with the support frame 7. The support frame 7 is provided with two vertical guide rods 9, and the vertical guide rods 9 are fixedly connected with the support frame 7, and a support block 10 is provided between the two described vertical guide rods 9, and the support block 10 Both ends of the guide rail 12 are provided with a guide sleeve 11 compatible with the vertical guide rod 9, and the top of the support block 10 is provided with a guide rail 12 along the radial direction of the arc-shaped base 1, and the top of the guide rail 12 is provided with a support slider 13, The support slider 13 is slidably connected with the guide rail 12, the side of the support slider 13 close to the center of the arc base 1 is provided with a horizontal support column 14, and the end of the horizontal support column 14 is far away from the support slider 13. There is a stress gauge mounting frame 15, one end of the horizontal support column 14 is fixedly connected with the support slider 13, and the other end is fixedly connected with the stress gauge mounting frame 15, and a steel bar stress gauge 16 is vertically installed on the stress gauge mounting frame 15 The end of the support slider 13 away from the horizontal support column 14 is horizontally provided with a first electric push rod 17, and the end of the top of the guide rail 12 away from the center of the circle of the arc-shaped base 1 is provided with a first mounting seat 18. One end of an electric push rod 17 is connected with the first mount 18, and the other end is connected with the support slider 13, and the bottom of the support block 10 is vertically provided with a second electric push rod 19, and the bottom of the support frame 7 The middle part is provided with the second mounting seat 20 that is compatible with the second electric push rod 19, and one end of the second electric push rod 19 is connected with the second mounting seat 20, and the other end is connected with the support block 10. The structure can be disassembled to facilitate the transportation and installation of the present invention. A steel bar stress gauge 16 is arranged on each support frame 7, and the stress of the pile body can be detected by the steel bar stress gauge 16, and the required number of support frames 7 can be installed as required. The second electric push rod 19 is used to lift the steel bar stress gauge 16 to the same height as the position to be detected, and the first electric push rod 17 is used to push the steel bar stress gauge 16 to the position to be detected, so that the steel bar stress gauge 16 can be quickly installed In place, the time taken for the installation of the steel bar stress gauge 16 can be shortened, and work efficiency can be improved.

In order to improve the stability of the arc-shaped base, reinforcing ribs 21 are provided between the arc-shaped base 1 and the bottom plate 5, which can improve the stability of the arc-shaped base.

In order to improve the stability of the overall structure of the present invention, connecting rods 22 are provided between the two supporting bases 8 on the same horizontal plane on two adjacent arc-shaped bases 1, which can improve the stability of the overall structure of the present invention.

In order to facilitate the assembly of the present invention, the support frame 7 is provided with a ladder, which is convenient for climbing and can facilitate the assembly of the present invention.

Embodiment: The present invention is a multi-functional stress testing device for dragging and changing pile foundations, which includes four arc-shaped bases 1, and connecting support plates 2 are arranged between two adjacent arc-shaped bases 1. The bottom surface of the connecting support plate 2 is coplanar with the bottom surface of the arc-shaped base 1, and the two ends of the bottom of the arc-shaped base 1 are provided with mounting grooves 3 compatible with the connecting supporting plate 2, and vertically in the mounting grooves 3 A connecting column 4 is welded, and the end of the connecting support plate 2 is provided with a mounting hole adapted to the connecting column 4, and the connecting supporting plate 2 connects the arc-shaped base 1 together, which can increase the contact area of the present invention with the ground, The stability of the support of the present invention can be guaranteed. The width of the mounting groove 3 is greater than that of the connecting support plate 2 , and the connecting supporting plate 2 is rotatably connected with the arc-shaped base 1 through the connecting column 4 , and the end of the connecting supporting plate 2 can rotate in the mounting groove 3 . The length of the connection support plate 2 is adjustable, and the length of the connection support plate 2 can be adjusted according to the distance between two adjacent arc-shaped bases 1 , which can be adapted to different use needs. The side of arc-shaped base 1 away from the center of circle of arc-shaped base 1 is welded with base plate 5, and the bottom surface of base plate 5 is coplanar with the bottom surface of arc-shaped base 1, and described base plate 5 is provided with anchor bolt 6, and ground The mounting holes that the anchor bolts 6 are adapted to fix the position of the arc-shaped base 1 by the anchor bolts 6. A reinforcing rib 21 is welded between the arc-shaped base 1 and the bottom plate 5, which can improve the stability of the arc-shaped base. The top of the arc-shaped base 1 is provided with several support frames 7 from bottom to top, and ladders are welded on the support frames 7, which is convenient for climbing and can facilitate the assembly of the present invention. A support base 8 is provided between adjacent support frames 7, and the support base 8 is detachably connected to the support frame 7 by screws. 8 is provided with connecting rod 22, and connecting rod 22 is connected with support seat 8 by screw, can improve the stability of the overall structure of the present invention. Two vertical guide rods 9 are welded on the support frame 7, a support block 10 is arranged between the two vertical guide rods 9, and the two ends of the support block 10 are welded with vertical guide rods 9. The guide sleeve 11, the top of the support block 10 is provided with a guide rail 12 along the radial direction of the arc base 1, the guide rail 12 is fixed on the support block 10 by hexagon socket head screws, and the top of the guide rail 12 is provided with a support slider 13, so The support slider 13 is slidably connected with the guide rail 12, and the support slider 13 can slide along the guide rail 12. The side of the support slider 13 near the center of the circle of the arc-shaped base 1 is welded with a horizontal support column 14. The horizontal support column 14 is welded with a stress gauge installation frame 15 at one end away from the support slider 13, and a steel bar stress gauge 16 is vertically installed on the stress gauge installation frame 15, and the end of the support slider 13 away from the horizontal support column 14 is horizontally provided with a first Push rod 17, the top of the guide rail 12 is welded with a first mount 18 away from the center of circle of the arc-shaped base 1, one end of the first electric push rod 17 is connected with the first mount 18 by a screw, and the other end is connected with the first mount 18 by a screw. The support slider 13 is connected, the bottom of the support block 10 is vertically provided with a second electric push rod 19, and the middle part of the bottom of the support frame 7 is welded with a second mounting seat 20 suitable for the second electric push rod 19 , one end of the second electric push rod 19 is connected to the second mounting seat 20 through a screw, and the other end is connected to the support block 10 through a screw. The present invention adopts a detachable structure as a whole, which can facilitate the transportation and installation of the present invention. Each A steel bar stress gauge 16 is arranged on the support frame 7, and the stress of the pile body is detected by the steel bar stress gauge 16, and the required number of support frames 7 can be installed as required, and the steel bar stress gauge 16 is promoted by the second electric push rod 19. To the same height as the position to be detected, the steel bar stress gauge 16 can be pushed to the position to be detected by the first electric push rod 17, the steel bar stress gauge 16 can be quickly installed in place, and the time taken for the installation of the steel bar stress gauge 16 can be shortened , can improve work efficiency.

Claims (4)

1. A multifunctional stress testing device for pile foundation dragging and changing, is characterized in that: comprise at least three arcuate bases (1), be provided with connecting support plate (1) between adjacent two described arcuate bases (1) 2), the bottom surface of the connecting support plate (2) is coplanar with the bottom surface of the arc-shaped base (1), and both ends of the bottom of the arc-shaped base (1) are equipped with The installation groove (3) of the installation groove (3) is provided with a connecting column (4), and the connecting support plate (2) is provided with an installation hole suitable for the connecting column (4), and the installation groove The width of (3) is greater than the width of the connection support plate (2), and the connection support plate (2) is rotatably connected with the arc base (1) through the connection column (4), and the length of the connection support plate (2) can be Adjustment, the side of the curved base (1) away from the center of the arc-shaped base (1) is provided with a base plate (5), the bottom surface of the base plate (5) is coplanar with the bottom surface of the arc-shaped base (1), The bottom plate (5) is provided with anchor bolts (6), and the top of the arc-shaped base (1) is provided with several support frames (7) from bottom to top, adjacent to the support frame (7) There is a support seat (8) between them, the support seat (8) is detachably connected with the support frame (7), and the support frame (7) is provided with two vertical guide rods (9), the vertical The guide rod (9) is fixedly connected with the support frame (7), and a support block (10) is arranged between the two vertical guide rods (9), and the two ends of the support block (10) are provided with vertical A guide sleeve (11) adapted to the straight guide rod (9), the top of the support block (10) is provided with a guide rail (12) along the radial direction of the arc-shaped base (1), and the top of the guide rail (12) is provided with There is a support slider (13), which is slidably connected with the guide rail (12), and a horizontal support column is provided on the side of the support slider (13) close to the center of the arc-shaped base (1) (14), the end of the horizontal support column (14) away from the support slider (13) is provided with a strain gauge installation frame (15), and one end of the horizontal support column (14) is fixedly connected with the support slider (13) , the other end is fixedly connected with the strain gauge installation frame (15), the steel bar stress gauge (16) is vertically installed on the said strain gauge installation frame (15), and the support slide block (13) is away from the horizontal support column (14) A first electric push rod (17) is provided horizontally at one end of the guide rail (12), and a first mount (18) is provided at the end of the top of the guide rail (12) away from the center of the arc base (1), and the first electric push rod One end of (17) is connected with the first mounting seat (18), and the other end is connected with the support slide block (13), and the bottom of the support block (10) is vertically provided with a second electric push rod (19), and the The middle part of the bottom of the support frame (7) is provided with a second mounting seat (20) compatible with the second electric push rod (19), and one end of the second electric push rod (19) is connected to the second mounting seat (20). ) connection, and the other end is connected with the support block (10). 2. A multi-functional stress testing device for pile foundation towing and changing according to claim 1, characterized in that: a reinforcing rib (21) is provided between the arc-shaped base (1) and the bottom plate (5). 3. The multifunctional stress testing device for dragging and changing pile foundations according to claim 1, characterized in that: two supporting bases (8) on the same horizontal plane on two adjacent arc-shaped bases (1) ) between connecting rods (22). 4. A multi-functional stress testing device for towing and changing pile foundations according to claim 1, characterized in that: the support frame (7) is provided with a ladder.