Road surface strength detection device for highway engineering

Abstract

The utility model relates to the technical field of pavement strength detection devices, and discloses a pavement strength detection device for highway engineering, which comprises an operation table and a workpiece plate, the bottom of a hydraulic cylinder is fixedly connected with a pressure detection device, and one end of the top of the workpiece plate is fixedly connected with a fixed clamping block. The other end of the top of the workpiece plate is movably connected with a movable clamping block, the top of the movable clamping block is fixedly connected with a pull block, one side of the movable clamping block is provided with a fixed plate, the outer side of the movable clamping block is fixedly connected with a reset spring, and one side of the fixed plate is fixedly connected with one end of the reset spring. The pulling block drives the movable clamping block to move, then a to-be-detected material is placed between the fixed clamping block and the movable clamping block, the pulling block is loosened, the elasticity of the reset spring pushes the movable clamping block to clamp a material sample, then the hydraulic cylinder is started, the hydraulic cylinder drives the pressure detection device to move downwards, and the pressure detection device detects the strength of the material sample.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface strength detection devices, in particular to a road surface strength detection device for highway engineering. Background Art

[0002] With the rapid development of my country's economic construction, urban road construction has played a vital and decisive role in the development of cities. Urban roads are the arteries and skeletons of cities, and they also reflect the appearance of a city. The quality problems of roads have brought many inconveniences to the development of cities and the lives of residents, causing economic losses. To improve the quality of highway projects, it is necessary to improve the quality inspection level of highway projects. When conducting highway project quality inspection operations, it is necessary to conduct inspections on highways in different aspects, involving the inspection of highway layered structures, the inspection of asphalt composition ratios, and the inspection of basic strength of highways, especially the compressive strength inspection of highway materials.

[0003] A Chinese utility model patent with announcement number CN215931516U discloses a road surface strength detection device for highway engineering, which belongs to the technical field of road surface strength detection devices. By opening the box door, the material to be detected is placed on the storage table, the box door is closed, and the telescopic rod is opened through the control panel. The telescopic rod pushes the pressure sensor and the pressure plate to move downward together. The pressure plate moves to squeeze the material and perform compressive strength detection on the material. The pressure sensor records the stress condition of the material during the detection process.

[0004] With regard to the existing related technologies, the inventors believe that the following defects exist: when the existing strength testing device performs compressive strength testing on materials, since the material sample is placed on the operating table without being fixed, the pressure plate moves downward to press the material, causing the material to shift and move, thereby affecting the material's testing structure. Utility Model Content

[0005] In order to solve the technical problem that the existing material samples are placed on the operating table without being fixed, resulting in the material being offset when the pressure plate moves downward to press the material, thereby affecting the material detection structure, the utility model provides a pavement strength detection device for highway engineering.

[0006] The utility model is implemented by the following technical scheme: a road surface strength detection device for highway engineering, comprising an operating table and a workpiece plate, wherein one end of the top of the operating table is fixedly connected with a column, the top of the column is fixedly connected with a crossbeam, one end of the bottom of the crossbeam is fixedly connected with a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected with a pressure detection device, the workpiece plate is located on the top surface of the operating table, both ends of the workpiece plate are fixedly connected with handles, one end of the top of the workpiece plate is fixedly connected with a fixed clamping block, the other end of the top of the workpiece plate is movably connected with a movable clamping block, the top of the movable clamping block is fixedly connected with a pulling block, a fixed plate is provided on one side of the movable clamping block, the outer side of the movable clamping block is fixedly connected with a reset spring, and one side of the fixed plate is fixedly connected to one end of the reset spring.

[0007] Preferably, the top of the workpiece plate is fixedly connected with two slide grooves, the two slide grooves are respectively located at two ends of the movable clamping block, and the two ends of the movable clamping block are fixedly connected with two sliding blocks, and the sliding blocks are movably connected inside the slide grooves.

[0008] Preferably, the pressure detection device is located at the top of the area between the fixed clamp block and the movable clamp block.

[0009] Preferably, two limiting rods are fixedly connected to the outer side of the movable clamping block, one end of the limiting rod is movably connected to the inside of the fixing plate, and one end of the limiting rod is fixedly connected to the limiting block.

[0010] Preferably, a groove is processed on the top of the operating table, and a prism block is fixedly connected to the bottom of the workpiece plate, and the prism block is plug-connected inside the groove.

[0011] Preferably, the prism block is a hexagonal prism, the groove is a hexagonal prism groove, the prism block fits inside the groove, and the movement of the workpiece plate on the top of the operating table can be restricted by inserting the prism block at the bottom of the workpiece plate into the inside of the groove at the top of the operating table.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the utility model is in use, by pulling the pulling block, the pulling block will drive the movable clamping block to move, and then the material to be tested is placed between the fixed clamping block and the movable clamping block, and the pulling block is released, and the elasticity of the reset spring will push the movable clamping block closer to the fixed clamping block, thereby clamping the material sample, and then the hydraulic cylinder is started, the hydraulic cylinder will drive the pressure detection device to move downward, and the pressure detection device will perform strength detection on the material sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a combined diagram of the operating table and the workpiece plate of the utility model;

[0016] Figure 3 For the utility model Figure 1 Enlarged schematic diagram of part A in the middle.

[0017] In the figure: 1. operating table; 2. workpiece plate; 3. column; 4. crossbeam; 5. hydraulic cylinder; 6. pressure detection device; 7. handle; 8. fixed clamp block; 9. movable clamp block; 10. slider; 11. slide groove; 12. fixed plate; 13. reset spring; 14. pull block; 15. limit rod; 16. limit block; 17. groove; 18. prismatic block. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0019] Example 1: Please refer to Figure 1 - Figure 3 , a road surface strength detection device for highway engineering of the present embodiment comprises an operating platform 1 and a workpiece plate 2, a top end of the operating platform 1 is fixedly connected with a column 3, a top of the column 3 is fixedly connected with a crossbeam 4, a bottom end of the crossbeam 4 is fixedly connected with a hydraulic cylinder 5, a bottom of the hydraulic cylinder 5 is fixedly connected with a pressure detection device 6, the workpiece plate 2 is located on the top surface of the operating platform 1, both ends of the workpiece plate 2 are fixedly connected with handles 7, a top end of the workpiece plate 2 is fixedly connected with a fixed clamping block 8, a top other end of the workpiece plate 2 is movably connected with a movable clamping block 9, a top of the movable clamping block 9 is fixedly connected with a pulling block 14, a fixed plate 12 is provided on one side of the movable clamping block 9, a reset spring 13 is fixedly connected to the outer side of the movable clamping block 9, and one side of the fixed plate 12 is fixedly connected to one end of the reset spring 13;

[0020] When it is necessary to test the pavement material, first pull the pull block 14, the pull block 14 will drive the movable clamp block 9 to move, the movable clamp block 9 will compress the reset spring 13, and then place the material to be tested between the fixed clamp block 8 and the movable clamp block 9, release the pull block 14, the reset spring 13 will reset and extend, the reset spring 13 will push the movable clamp block 9 to move closer to the fixed clamp block 8, so as to clamp the material sample, and then start the hydraulic cylinder 5, the hydraulic cylinder 5 will drive the pressure detection device 6 to move downward, the pressure detection device 6 will contact the material sample, and perform strength detection on the material sample;

[0021] Further, the top of the workpiece plate 2 is fixedly connected with two slide grooves 11, and the two slide grooves 11 are respectively located at the two ends of the movable clamping block 9, and the two ends of the movable clamping block 9 are fixedly connected with two sliders 10, and the sliders 10 are movably connected inside the slide grooves 11;

[0022] When the pull block 14 is pulled to drive the movable clamp block 9 to move, the movable clamp block 9 will drive the two sliders 10 to move, so that the two sliders 10 move along the inside of the two slide grooves 11 respectively, thereby limiting the movement of the movable clamp block 9, so that the movable clamp block 9 remains in a stable state when moving;

[0023] Further, the outer side of the movable clamping block 9 is fixedly connected with two limit rods 15, one end of the limit rod 15 is movably connected to the inside of the fixed plate 12, and one end of the limit rod 15 is fixedly connected to the limit block 16. When the pull block 14 is pulled to drive the movable clamping block 9 to move, the movable clamping block 9 will drive the two limit rods 15 to move, so that the two limit rods 15 move along the inside of the fixed plate 12. At the same time, the limit rod 15 is provided to keep the movable clamping block 9 in a stable state when moving;

[0024] Furthermore, a groove 17 is processed on the top of the operating table 1, and a prism block 18 is fixedly connected to the bottom of the workpiece plate 2. The prism block 18 is plug-connected inside the groove 17. By placing the test sample between the fixed clamp block 8 and the movable clamp block 9 and replacing the workpiece plate 2, multiple groups of test samples can be quickly tested, and the surface of the workpiece plate 2 can be cleaned conveniently.

[0025] Furthermore, the prism block 18 is a hexagonal prism, and the groove 17 is a hexagonal prism groove. The prism block 18 fits with the inside of the groove 17. The workpiece plate 2 is placed on the top of the operating table 1 by inserting the prism block 18 at the bottom of the workpiece plate 2 into the inside of the groove 17 at the top of the operating table 1. By setting the prism block 18 as a hexagonal prism, the movement of the workpiece plate 2 on the top of the operating table 1 can be restricted.

[0026] Working principle: When it is necessary to test the pavement material, first pull the pull block 14, the pull block 14 will drive the movable clamp block 9 to move, and then place the material to be tested between the fixed clamp block 8 and the movable clamp block 9, release the pull block 14, the reset spring 13 will reset and extend to push the movable clamp block 9 closer to the fixed clamp block 8, thereby clamping the material sample, and then start the hydraulic cylinder 5, the hydraulic cylinder 5 will drive the pressure detection device 6 to move downward, and the pressure detection device 6 will perform strength detection on the material sample.

[0027] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A road surface strength detection device for highway engineering, comprising an operating table (1) and a workpiece plate (2), wherein one end of the top of the operating table (1) is fixedly connected to a column (3), the top of the column (3) is fixedly connected to a crossbeam (4), one end of the bottom of the crossbeam (4) is fixedly connected to a hydraulic cylinder (5), and the bottom of the hydraulic cylinder (5) is fixedly connected to a pressure detection device (6); It is characterized in that The workpiece plate (2) is located on the top surface of the operating table (1), and handles (7) are fixedly connected to both ends of the workpiece plate (2), a fixed clamping block (8) is fixedly connected to one end of the top of the workpiece plate (2), and a movable clamping block (9) is movably connected to the other end of the top of the workpiece plate (2), and a pull block (14) is fixedly connected to the top of the movable clamping block (9), a fixed plate (12) is provided on one side of the movable clamping block (9), a return spring (13) is fixedly connected to the outer side of the movable clamping block (9), and one side of the fixed plate (12) is fixedly connected to one end of the return spring (13).

2. A road surface strength detection device for highway engineering according to claim 1, characterized in that: The top of the workpiece plate (2) is fixedly connected to two slide grooves (11), the two slide grooves (11) are respectively located at two ends of the movable clamping block (9), and the two ends of the movable clamping block (9) are fixedly connected to two sliders (10), and the sliders (10) are movably connected inside the slide grooves (11).

3. A road surface strength detection device for highway engineering according to claim 1, characterized in that: The pressure detection device (6) is located at the top of the area between the fixed clamping block (8) and the movable clamping block (9).

4. A road surface strength detection device for highway engineering according to claim 1, characterized in that: Two limit rods (15) are fixedly connected to the outer side of the movable clamping block (9), one end of the limit rod (15) is movably connected to the inside of the fixed plate (12), and one end of the limit rod (15) is fixedly connected to the limit block (16).

5. A road surface strength detection device for highway engineering according to claim 1, characterized in that: The top of the operating table (1) is processed with a groove (17), and the bottom of the workpiece plate (2) is fixedly connected with a prism block (18), and the prism block (18) is plug-connected inside the groove (17).

6. A road surface strength detection device for highway engineering according to claim 5, characterized in that: The prism block (18) is a hexagonal prism, the groove (17) is a hexagonal prism groove, and the prism block (18) fits inside the groove (17).

Images