Self-balancing pile load tester

Abstract

The utility model relates to the technical field of self-balancing pile load testers, and discloses a self-balancing pile load tester which comprises a test assembly, the lower end of the test assembly is movably connected with an adjusting assembly, the two sides of the test assembly are both movably connected with supporting assemblies, fixing assemblies are arranged over the supporting assemblies, and the test assembly comprises a workbench. The upper end of the supporting rod is fixedly connected with a supporting plate; the output end of the electric control hydraulic cylinder is fixedly connected with a test bed; the upper bottom surface of the supporting plate is fixedly connected with a connecting column; the upper end of the connecting column is fixedly connected with a top plate; the adjusting assembly comprises an adjusting column, the upper end of the adjusting column is movably connected with a handle, the adjusting column is rotated by arranging the adjusting assembly and rotating the handle, so that the height of a certain adjusting column is adjusted, and the gradienter is observed during adjustment to enable the test device to reach a horizontal state.

Description

Technical Field

[0001] The utility model relates to the technical field of self-balancing pile load testers, in particular to a self-balancing pile load tester. Background Art

[0002] The self-balancing method is different from the traditional loading method and anchor pile method. During the construction process, a load box that is manufactured according to the pile bearing capacity parameter requirements is placed at the bottom of the pile body, and a pressure oil pipe and a displacement measuring device are connected to the top of the pile. After the concrete is cured to the standard age, the top high-pressure oil pump is used to apply pressure to the bottom load box to obtain the pile end bearing capacity and the total friction resistance on the pile side.

[0003] Chinese patent document CN213749401U discloses a point load tester with high placement stability, including a rock point load tester, a fixed frame is installed on both sides above the rock point load tester, a top cover is installed above the inside of the fixed frame, a cone is installed at the middle position below the inside of the top cover, a cross plate is installed at the middle position inside the fixed frame, and a rock sample seat is installed above the cross plate. The stable bracket in the utility model is hingedly connected to the rock point load tester through a hinge, and a non-slip foot pad is arranged below the stable bracket. The stability of both sides of the rock point load tester can be strengthened when necessary, and the support area is increased to make it more stable. The hinge is convenient for folding the stable bracket upward or stretching it downward to adjust it. The non-slip foot pad can make the stable bracket and the desktop more stable and prevent slipping, thereby improving the stability performance. However, although the tester is designed with a stable bracket to increase the stability of the tester, it has high requirements on the flatness of the ground. When the ground flatness is poor, the tester cannot be placed horizontally, thereby affecting the final test results. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that although the existing test instrument is designed with a stable bracket to increase the stability of the test instrument, it has a high requirement on the flatness of the ground. When the flatness of the ground is poor, the test instrument cannot be placed horizontally, thus affecting the final test result. A self-balancing pile load test instrument is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-balancing pile load tester, including a test component, an adjustment component is movably connected to the lower end of the test component, support components are movably connected to both sides of the test component, and a fixed component is arranged directly above the support component, the test component includes a workbench, a control assembly is arranged on one side of the workbench, an electric-controlled hydraulic cylinder is fixedly connected to the bottom surface of the workbench, a support rod is fixedly connected to the bottom surface of the workbench, a support plate is fixedly connected to the upper end of the support rod, the output end of the electric-controlled hydraulic cylinder passes through the support plate, and the output end of the electric-controlled hydraulic cylinder is fixedly connected to the testbench, a connecting column is fixedly connected to the bottom surface of the support plate, the upper end of the connecting column is fixedly connected to the top plate, and a pressure block is fixedly connected to the bottom surface under the top plate, the adjustment component includes an adjustment column, the outer surface of the adjustment column is threadedly connected to the workbench, the lower end of the adjustment column is fixedly connected to a universal wheel, and the upper end of the adjustment column is movably connected to a handle.

[0006] Preferably, a level is provided on the workbench;

[0007] It is used to observe whether the workbench is in a horizontal state at any time to ensure that the test can be carried out normally.

[0008] Preferably, a pressure gauge is fixedly connected to one side of the electric-controlled hydraulic cylinder;

[0009] Used to display the force applied by the electronically controlled hydraulic cylinder in real time.

[0010] Preferably, the support assembly comprises a collar, the inner surface of the collar is movably connected to the workbench, the outer surface of the collar is fixedly connected to a connecting rod, and one end of the connecting rod is movably connected to the support sheet;

[0011] It is used to support the test device after it is unfolded, increasing its overall stability.

[0012] Preferably, the support sheet is provided with an anti-slip groove;

[0013] Used to increase the friction between the support plate and the ground.

[0014] Preferably, the fixing assembly comprises a fixing frame, one side of the fixing frame is fixedly connected to the support plate, a shift rod is provided on the fixing frame, a fixing groove is provided on the fixing frame, and one end of the shift rod is movably connected to the fixing groove;

[0015] Used to secure the folded support assembly to prevent it from unfolding due to external factors during transportation.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model proposes a self-balancing pile load tester, which is provided with an adjustment component, and the height of an adjustment column is adjusted by turning the handle, and the level meter is observed while adjusting so that the test device reaches a horizontal state.

[0018] 2. The utility model proposes a self-balancing pile load tester, which sets a fixing component, rotates the lever to open the fixing frame, puts the connecting rod into the fixing frame and then lowers the lever, so that the connecting rod is received into the fixing frame for fixing, thereby avoiding damage caused by unfolding during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a self-balancing pile load tester proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of a self-balancing pile load tester proposed by the utility model with its support components folded;

[0021] Figure 3 This is a schematic diagram of the overall structure of a workbench of a self-balancing pile load tester proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the overall structure of a support assembly of a self-balancing pile load tester proposed by the utility model;

[0023] Figure 5 This is an enlarged schematic diagram of point A of a self-balancing pile load tester proposed by the utility model;

[0024] Legend:

[0025] 1. Test assembly; 11. Workbench; 111. Level; 12. Control assembly; 13. Electric hydraulic cylinder; 131. Pressure gauge; 14. Test bench; 15. Support rod; 16. Support plate; 17. Connecting column; 18. Top plate; 19. Pressure block; 2. Adjustment assembly; 21. Adjustment column; 22. Universal wheel; 23. Handle; 3. Support assembly; 31. Ring; 32. Connecting rod; 33. Support sheet; 331. Anti-skid groove; 4. Fixing assembly; 41. Fixing frame; 42. Gear lever; 43. Fixing groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Reference Figure 1-5 The utility model provides an embodiment: a self-balancing pile load tester, including a test assembly 1, the lower end of the test assembly 1 is movably connected to an adjustment assembly 2, both sides of the test assembly 1 are movably connected to support assemblies 3, and a fixing assembly 4 is arranged just above the support assembly 3, the test assembly 1 includes a workbench 11, one side of the workbench 11 is provided with a control assembly 12, which controls the extension and retraction of an electric-controlled hydraulic cylinder 13, the upper bottom surface of the workbench 11 is fixedly connected to an electric-controlled hydraulic cylinder 13, the test bench 14 is lifted up and a pressure block 19 is performed a load test, the upper bottom surface of the workbench 11 is fixedly connected to a support rod 15, and the upper end of the support rod 15 is fixedly connected to a support rod 15. Plate 16, the output end of the electric-controlled hydraulic cylinder 13 passes through the supporting plate 16, and the output end of the electric-controlled hydraulic cylinder 13 is fixedly connected to the test bench 14, the upper bottom surface of the supporting plate 16 is fixedly connected to a connecting column 17, the upper end of the connecting column 17 is fixedly connected to a top plate 18, and the lower bottom surface of the top plate 18 is fixedly connected to a pressure block 19, and a load test is performed on the test object. The adjustment component 2 includes an adjustment column 21 for adjusting the overall height of the test device. The outer surface of the adjustment column 21 is threadedly connected to the workbench 11, and the lower end of the adjustment column 21 is fixedly connected to a universal wheel 22 for convenient movement of the test device. The upper end of the adjustment column 21 is movably connected to a handle 23 for convenient rotation of the adjustment column 21.

[0029] A level 111 is provided on the workbench 11 to facilitate observation of whether the workbench 11 is in a horizontal state. A pressure gauge 131 is fixedly connected to one side of the electric-controlled hydraulic cylinder 13 to observe in real time the amount of pressure applied by the electric-controlled hydraulic cylinder 13. The support assembly 3 includes a collar 31, the inner surface of the collar 31 is movably connected to the workbench 11, the outer surface of the collar 31 is fixedly connected to a connecting rod 32, one end of the connecting rod 32 is movably connected to a supporting plate 33 to support the entire test device, an anti-skid groove 331 is provided on the supporting plate 33 to increase the friction between the supporting plate 33 and the ground, the fixing assembly 4 includes a fixing frame 41 for fixing the connecting rod 32, one side of the fixing frame 41 is fixedly connected to the support plate 16, a shift rod 42 is provided on the fixing frame 41, a fixing groove 43 is provided on the fixing frame 41, one end of the shift rod 42 is movably connected to the fixing groove 43.

[0030] Working principle: First, rotate the rotating lever 42 to rotate the connecting rod 32, so that the supporting plate 33 is grounded to provide support force for the test device, and then observe the level 111 to check whether the test device is horizontal. When the test device is offset, rotate the adjusting column 21 through the handle 23 to adjust the height of a certain corner of the test device. When the test device tends to be horizontal, put the test object on the test bench 14, start the electric hydraulic cylinder 13 to move the test bench 14 upward, and release the pressure block 19 to perform a load test.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-balancing pile load tester, comprising a test assembly (1), wherein the lower end of the test assembly (1) is movably connected to an adjustment assembly (2), both sides of the test assembly (1) are movably connected to support assemblies (3), and a fixing assembly (4) is arranged directly above the support assembly (3), characterized in that: The test assembly (1) comprises a workbench (11), a control assembly (12) is arranged on one side of the workbench (11), an electric-controlled hydraulic cylinder (13) is fixedly connected to the bottom surface of the workbench (11), a support rod (15) is fixedly connected to the bottom surface of the workbench (11), a support plate (16) is fixedly connected to the upper end of the support rod (15), an output end of the electric-controlled hydraulic cylinder (13) passes through the support plate (16), and the output end of the electric-controlled hydraulic cylinder (13) is fixedly connected to the testbench (14), a connecting column (17) is fixedly connected to the bottom surface of the support plate (16), a top plate (18) is fixedly connected to the upper end of the connecting column (17), a pressure block (19) is fixedly connected to the bottom surface of the top plate (18), and an adjustment component (2) includes an adjustment column (21), an outer surface of the adjustment column (21) is threadedly connected to the workbench (11), a universal wheel (22) is fixedly connected to the lower end of the adjustment column (21), and a handle (23) is movably connected to the upper end of the adjustment column (21).

2. A self-balancing pile load tester according to claim 1, characterized in that: A level (111) is provided on the workbench (11).

3. A self-balancing pile load tester according to claim 1, characterized in that: A pressure gauge (131) is fixedly connected to one side of the electronically controlled hydraulic cylinder (13).

4. A self-balancing pile load tester according to claim 1, characterized in that: The support assembly (3) comprises a collar (31), the inner surface of the collar (31) is movably connected to the workbench (11), the outer surface of the collar (31) is fixedly connected to a connecting rod (32), and one end of the connecting rod (32) is movably connected to a supporting sheet (33).

5. A self-balancing pile load tester according to claim 4, characterized in that: The support sheet (33) is provided with an anti-slip groove (331).

6. A self-balancing pile load tester according to claim 1, characterized in that: The fixing assembly (4) comprises a fixing frame (41), one side of the fixing frame (41) is fixedly connected to the support plate (16), a shift rod (42) is arranged on the fixing frame (41), a fixing groove (43) is opened on the fixing frame (41), and one end of the shift rod (42) is movably connected to the fixing groove (43).

Images