Stacking shearing device for testing pile-soil dynamic interaction

Abstract

The utility model discloses a stacked shearing device for testing pile-soil dynamic interaction, and relates to the technical field of test equipment, the stacked shearing device comprises a bottom plate, a plurality of frames are arranged on the bottom plate, drain holes and positioning bolt holes are formed in the bottom plate, and adjusting mechanisms are arranged on the frames. Under the cooperative action of the first adjusting rod and the like, the height of the second adjusting rod can be adjusted by stretching the first adjusting rod upwards and pulling the first adjusting rod upwards, and when the height is adjusted, the position of the first adjusting rod can be fixed and limited by rotating a first adjusting bolt; then the length of the second adjusting rod can be adjusted by stretching the second adjusting rod rightwards, and when the width is adjusted, the position of the second adjusting rod can be fixed and limited by rotating a second adjusting bolt, so that the height and the width can be quickly adjusted according to requirements, and the flexibility during use is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of test equipment, in particular to a laminated shear device for testing pile-soil dynamic interaction. BACKGROUND

[0002] Since the introduction of prestressed concrete pipe piles in China and their extensive use, a large amount of various building materials, energy and funds are saved every year, and the construction period is greatly shortened. Pipe piles are commonly used foundation forms for buildings, mainly used for compression, uplift and horizontal force resistance of buildings. Due to the advantages of high-strength prestressed concrete pipe piles, such as low consumption of building materials, high factory production efficiency, good pile quality, high strength, and resistance to driving, etc.

[0003] According to the search, the patent with the Chinese patent authorization publication number CN204286919U discloses a new type of laminated shear model box for testing pile-soil dynamic interaction, which comprises a steel bottom plate, a plurality of mutually laminated frames arranged on the steel bottom plate, and a limiting mechanism for limiting the mutual sliding distance of the frames.

[0004] The laminated shear model box for testing pile-soil dynamic interaction in the above patent has the following disadvantages: although the device provides a stable and good test device for pile-soil dynamic interaction research and other structural and soil seismic dynamic test research, the limiting rigid support of the device does not have a result that can adjust the length and width, so that it is not convenient to quickly install and position when testing the frames with different overall height and width, and the device is not particularly convenient to install and disassemble by rotating a plurality of positioning screws with a specified tool. Practical new type content

[0005] The present application aims to solve or at least alleviate the problem of the prior art that it is not convenient to quickly install and position when testing the frames with different overall height and width, and the device is not particularly convenient to install and disassemble by rotating a plurality of positioning screws with a specified tool.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a laminated shear device for testing pile-soil dynamic interaction, comprising a bottom plate, a plurality of frames are arranged on the bottom plate, a drainage hole and a positioning bolt hole are respectively formed on the bottom plate, and an adjusting mechanism is arranged on each of the plurality of frames.

[0007] The adjusting mechanism comprises a second adjusting rod above the frame, first adjusting rods are fixedly installed on both sides of the outer wall of the second adjusting rod, a first threaded hole is formed in the outer wall of one side of the first adjusting rod, a first adjusting bolt is screwed in the first threaded hole, a second threaded hole is formed in the outer wall of one side of the second adjusting rod, and a second adjusting bolt is screwed in the second threaded hole.

[0008] By stretching the first adjusting rod upwards, the height of the second adjusting rod can be adjusted, the position of the first adjusting rod can be fixed and limited by rotating the first adjusting bolt when the height is adjusted, the length of the second adjusting rod can be adjusted by stretching the second adjusting rod to the right, the position of the second adjusting rod can be fixed and limited by rotating the second adjusting bolt when the width is adjusted, and the height and width can be quickly adjusted according to requirements, improving the flexibility during use.

[0009] Optionally, the first adjusting rod and the second adjusting rod are composed of two rod sleeves and rod bodies of different sizes and are arranged in a mutually embedded manner.

[0010] By the above technical scheme, the first adjusting rod and the second adjusting rod are composed of two rod sleeves and rod bodies of different sizes and are arranged in a mutually embedded manner, so that stretching and telescoping can be achieved.

[0011] Optionally, the outer wall of one side of each of the two first adjusting rods close to each other is fixedly installed with an extension rod, and the extension rod is fixedly installed with a positioning plate at one end.

[0012] By the above technical scheme, the extension rod is provided to play an auxiliary installation role.

[0013] Optionally, a sliding groove is formed in the frame, and a ball is rotatably installed in the sliding groove.

[0014] By the above technical scheme, the ball is provided to limit the movement of the position of the frame, so that the frame is prevented from moving upward or leftward or rightward during movement, thereby playing a limiting role.

[0015] Optionally, two first fixing plates are fixedly installed on the outer wall of one side of the first adjusting rod in a symmetrical manner, and the two first fixing plates are the same in size and are arranged in parallel.

[0016] By the above technical scheme, the first fixing plate is provided to play an auxiliary installation role.

[0017] Optionally, the first fixing plate is provided with a first positioning screw, and the first positioning screw is provided with a first limiting plate.

[0018] By rotating the first positioning screw, the first positioning screw rotates and drives the first limiting plate to rotate and move, so that the side of the frame can be limited.

[0019] Optionally, the second fixing plate is provided with a second positioning screw, and the second positioning screw is provided with a second limiting plate.

[0020] By setting the second fixing plate, the function of auxiliary installation can be achieved.

[0021] Optionally, the second fixing plate is provided with a second positioning screw, and the second positioning screw is provided with a second limiting plate.

[0022] By rotating the second positioning screw, the second positioning screw rotates and drives the second limiting plate to move, so that the upper side of the frame can be limited, and the convenience and work efficiency during limiting can be improved.

[0023] In summary, the application has the following advantages:

[0024] 1. In the application, the first adjusting rod and other components cooperate to adjust the height of the second adjusting rod by stretching the first adjusting rod upward, and the first adjusting rod is pulled upward to adjust the height of the second adjusting rod. When the height is adjusted, the first adjusting screw is rotated to fix and limit the position of the first adjusting rod. Then, the second adjusting rod is stretched to the right to adjust the length of the second adjusting rod. When the width is adjusted, the second adjusting screw is rotated to fix and limit the position of the second adjusting rod. Thus, the height and width can be quickly adjusted according to the requirements, and the flexibility during use is improved.

[0025] 2. In the application, the first limiting plate and other components cooperate to limit the side of the frame by rotating the first positioning screw, and the first positioning screw rotates and drives the first limiting plate to rotate and move. The second positioning screw is rotated to drive the second limiting plate to move, so that the upper side of the frame can be limited, and the convenience and work efficiency during limiting can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the overall schematic diagram of the application;

[0027] Figure 2 is a local expansion schematic diagram of the present application;

[0028] Figure 3 is an exploded view schematic diagram of the adjustment structure of the present application;

[0029] Figure 4 is an exploded view schematic diagram of the positioning structure of the present application.

[0030] Mark explanation: in the figure: 1, the bottom plate; 2, the frame; 3, the first adjusting rod; 4, the telescopic rod; 5, the positioning plate; 6, the second adjusting rod; 7, the drainage hole; 8, the positioning bolt hole; 9, the sliding groove; 10, the ball; 11, the first threaded hole; 12, the first adjusting bolt; 13, the second threaded hole; 14, the second adjusting bolt; 15, the first fixed plate; 16, the first positioning screw; 17, the first limiting plate; 18, the second fixed plate; 19, the second positioning screw; 20, the second limiting plate. DETAILED DESCRIPTION

[0031] The following will be combined with the Figures 1-4 The present application is further described in detail.

[0032] Please refer to Figures 1-3 A kind of laminated shear device for testing pile-soil dynamic interaction, including bottom plate 1, multiple frames 2 being arranged on bottom plate 1, the multiple frames 2 form a box, to facilitate testing, drainage hole 7 and positioning bolt hole 8 being respectively opened in bottom plate 1, adjusting mechanism and positioning mechanism are arranged on multiple frames 2, by setting positioning mechanism, the effect of positioning installation can be played, by setting adjusting mechanism, the effect of adjustment can be played, by setting drainage hole 7, it is convenient for drainage, and by setting positioning bolt hole 8, it is convenient for being connected with external equipment and being used;

[0033] Among them, adjusting mechanism includes the second adjusting rod 6 located on the frame 2, the first adjusting rod 3 fixedly installed on the outer wall of the two sides of the second adjusting rod 6, the first threaded hole 11 opened in the outer wall of one side of the first adjusting rod 3, the first adjusting bolt 12 screwed in the first threaded hole 11, the second threaded hole 13 opened in the outer wall of one side of the second adjusting rod 6, the second adjusting bolt 14 screwed in the second threaded hole 13, and the first adjusting rod 3 and the second adjusting rod 6 are all composed of two different size rod sleeves and rod bodies, and are arranged in mutual embedding, the first adjusting bolt 12 and the second adjusting bolt 14 are all provided with anti-skid sleeves. Thus, the friction with hands can be improved when in use, and then it is convenient to rotate the first adjusting bolt 12 and the second adjusting bolt 14, so that the comfort degree of use and work efficiency can be improved.

[0034] When in use, the height of the second adjusting rod 6 can be adjusted by pulling the first adjusting rod 3 upwards, the position of the first adjusting rod 3 can be fixed by rotating the first adjusting bolt 12 when the height is adjusted, then the length of the second adjusting rod 6 can be adjusted by pulling the second adjusting rod 6 to the right, the position of the second adjusting rod 6 can be fixed by rotating the second adjusting bolt 14 when the width is adjusted, and the height and width can be quickly adjusted according to the needs, thereby improving the flexibility when in use.

[0035] With reference to Figure 3 and Figure 4 , the positioning mechanism comprises two telescopic rods 4 fixedly installed on the outer walls of the two first adjusting rods 3 close to each other, two positioning plates 5 fixedly installed at one end of the two telescopic rods 4, a sliding groove 9 opened on the frame 2, and a ball 10 rotatably installed in the sliding groove 9. The ball 10 is slidably installed in the sliding groove 9, and the position of the frame 2 can be limited and moved by the ball 10, thereby avoiding the frame 2 from moving upwards or left and right when moving, so as to play a limiting role. The telescopic rods 4 and the positioning plates 5 are provided, so that the one side of the frame 2 can be positioned and installed by the positioning plates 5, and the telescopic rods 4 can play a role of auxiliary installation and support.

[0036] With reference to Figure 3 and Figure 4 , the positioning mechanism further comprises two first fixed plates 15 fixedly installed on the outer walls of the first adjusting rods 3, and the two first fixed plates 15 are the same size and arranged in parallel. The two first fixed plates 15 are the same size and arranged in parallel, so that they are convenient to install and use. A first positioning screw 16 is screwed on the two first fixed plates 15, which can be used for auxiliary positioning and installation. The first positioning screw 16 is fixedly installed on two first limiting plates 17 at one end of the two first positioning screws 16. Two second fixed plates 18 are fixedly installed on the outer walls of the second adjusting rods 6. A second positioning screw 19 is screwed on the two second fixed plates 18, which can play a role of auxiliary installation. Two second limiting plates 20 are fixedly installed at one end of the two second positioning screws 19. The first limiting plates 17 and the second limiting plates 18 are both circular in shape, so that they are convenient to position and use. The frame 2 is positioned in all aspects by the multiple first limiting plates 17 and the multiple second limiting plates 18, so that the role of limiting and fixing is improved. The second limiting plates 20 are provided to play a role of auxiliary limiting. The two second limiting plates 20 are both located above the frame 2.

[0037] When in use, the first positioning screw 16 is rotated to rotate and move the first limiting plate 17, thereby limiting the side of the frame 2; the second positioning screw 19 is rotated to move the second limiting plate 20, thereby limiting the top of the frame 2, thereby improving the convenience and work efficiency when limiting.

[0038] The implementation principle of the present application is as follows: when in use, the first adjusting rod 3 is stretched upwards to adjust the height of the second adjusting rod 6; when the height is adjusted, the first adjusting bolt 12 is rotated to fix the position of the first adjusting rod 3; then the second adjusting rod 6 is stretched to the right to adjust the length of the second adjusting rod 6; when the width is adjusted, the second adjusting bolt 14 is rotated to fix the position of the second adjusting rod 6, thereby quickly adjusting the height and width according to the needs, improving the flexibility when in use; the sliding groove 9 is arranged to slide the ball 10 inside; the ball 10 is arranged to limit and move the position of the frame 2, thereby avoiding the frame 2 from moving upwards or left and right when moving, thereby playing a limiting role.

[0039] The first positioning screw 16 is rotated to rotate and move the first limiting plate 17, thereby limiting the side of the frame 2; the second positioning screw 19 is rotated to move the second limiting plate 20, thereby limiting the top of the frame 2, thereby improving the convenience and work efficiency when limiting the frame 2.

[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A laminated shear device for testing the dynamic interaction of pile soil, comprising a bottom plate (1), a plurality of frames (2) are arranged on the bottom plate (1), and a drainage hole (7) and a positioning bolt hole (8) are respectively arranged on the bottom plate (1), characterized in that: A plurality of the frame (2) are provided with adjusting mechanism; The adjusting mechanism comprises a second adjusting rod (6) above the frame (2), first adjusting rods (3) are fixedly installed on the two side outer walls of the second adjusting rod (6), a first threaded hole (11) is formed in the side outer wall of the first adjusting rod (3), a first adjusting bolt (12) is screwed in the first threaded hole (11), a second threaded hole (13) is formed in the side outer wall of the second adjusting rod (6), and a second adjusting bolt (14) is screwed in the second threaded hole (13).

2. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 1, characterised in that: The first adjusting rod (3) and the second adjusting rod (6) are composed of two different size rod sleeves and rod bodies, and are arranged in mutual embedding.

3. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 2, characterised in that: The side outer wall of the two first adjusting rods (3) is fixedly installed with an extension rod (4), and one end of the two extension rods (4) is fixedly installed with a positioning plate (5).

4. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 1, characterised in that: The frame (2) is provided with a sliding groove (9), and the sliding groove (9) is rotatably installed with a ball (10).

5. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 2, characterised in that: The side outer wall of the first adjusting rod (3) is fixedly installed with two first fixed plates (15) in symmetry.

6. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 5, characterised in that: Two first positioning screws (16) are screwed on the two first fixed plates (15), and first limiting plates (17) are fixedly installed at one end of the two first positioning screws (16).

7. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 2, characterised in that: The side outer wall of the second adjusting rod (6) is fixedly installed with two second fixed plates (18), and the two second fixed plates (18) are the same size and arranged in parallel.

8. A laminated shear apparatus for testing the soil dynamic interaction of a pile according to claim 7, characterised in that: Two second positioning screws (19) are screwed on the two second fixed plates (18), and second limiting plates (20) are fixedly installed at one end of the two second positioning screws (19), and the two second limiting plates (20) are located above the frame (2).

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