Road engineering roadbed compactness detection equipment
The ring cutter is electrically inserted and withdrawn by a combination of a drive motor and a lead screw. Combined with a clamping block and a clamping plate structure, this solves the problem of cumbersome manual operation of the ring cutter testing equipment, improves the efficiency of ring cutter installation and disassembly, and reduces the labor intensity of workers.
Patent Information
- Application Number
- CN202423139827.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing ring sampler testing equipment requires manual sampling, which is cumbersome and time-consuming.
The ring cutter is electrically inserted and withdrawn by a combination of drive motor and lead screw, and the ring cutter is quickly installed and removed by a clamping block and clamping plate structure.
It reduces the need for manual operation, lowers the labor intensity of workers, improves the installation and disassembly efficiency of ring cutters, and solves the problem of threaded connection wear in existing equipment during long-term use.
Smart Images

Figure CN223523088U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road engineering technical field especially relates to road engineering roadbed compactness detection equipment. BACKGROUND
[0002] The ring knife detection equipment is usually composed of a ring knife, a measuring tool and a standardized test device, and its working principle is based on inserting a ring knife with a specific diameter into the soil, taking out a certain volume of soil sample, measuring the mass and volume of the soil sample, calculating the dry density of the soil, and evaluating its compactness. The ring knife method device is relatively simple in design, easy to carry and operate, and in highway and other civil engineering construction, it is the key to ensure that the compactness of the roadbed meets the design requirements. The ring knife method can detect and feedback the roadbed compaction at any time, and correct the construction process in time. In the construction process, the ring knife method can ensure the compaction quality of each stage through regular detection, prevent problems caused by insufficient compaction in the later stage, and is mainly applied to highway construction, foundation treatment, airport runway construction, railway construction, water conservancy engineering and other scenes.
[0003] The main structure of the existing ring knife detection equipment includes a ring knife body. The ring knife is the core part of the equipment, usually made of metal, with a sharp cutting edge, a sampling device and an operating handle. The ring knife is embedded with a sampling ring, which can maintain the integrity of the soil sample when cutting the soil sample, ensuring that undisturbed soil samples are collected. The well-designed handle makes it easier for operators to insert the ring knife, improving efficiency.
[0004] However, the existing ring knife detection equipment is manually sampled, the ring knife is connected with the soil compactor, and the top of the soil compactor is knocked with a hammer. This operation is relatively cumbersome and time-consuming. Utility model content
[0005] In order to make up for the above shortcomings, the utility model provides a road engineering roadbed compactness detection equipment, which aims to improve the problem that the existing ring knife detection equipment is manually sampled, the ring knife is connected with the soil compactor, and the top of the soil compactor is knocked with a hammer. This operation is relatively cumbersome and time-consuming.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a road engineering roadbed compactness detection equipment, comprising a handle, the lower surface of the handle is fixedly connected with a protective cover, the inside of the protective cover is provided with a moving assembly, and the lower part of the protective cover is provided with a telescopic assembly.
[0007] The moving assembly comprises a driving motor, the lower surface of the driving motor is fixedly connected with a connecting column, the lower surface of the connecting column is fixedly connected with a rotating shaft, the lower surface of the rotating shaft is fixedly connected with a lead screw, and the outer wall of the lead screw is threadedly connected with a threaded block.
[0008] Further, the telescopic assembly comprises a first push rod, the upper surface of the first push rod is fixedly connected to the lower surface of the driving motor, a second push rod is slidably connected to the inside of the first push rod, and a guide rod is fixedly connected to the inner wall of the second push rod.
[0009] Further, the lower surface of the second push rod is fixedly connected with a pressure plate, the lower surface of the pressure plate is fixedly connected with a first fixed plate, and an installation assembly is arranged below the first fixed plate.
[0010] Further, the installation assembly comprises a clamping block, the outer wall of the clamping block is fixedly connected to the lower surface of the first fixed plate, a clamping plate is slidably connected to the outer wall of the clamping block, a connecting shaft is rotatably connected to the inner wall of the clamping plate, a connecting plate is fixedly connected to the outer wall of the connecting shaft, a second fixed plate is fixedly connected to the outer wall of the clamping plate, a spring is fixedly connected to the lower surface of the second fixed plate, and a third fixed plate is fixedly connected to the lower surface of the spring.
[0011] Further, the lower surface of the third fixed plate is fixedly connected with a ring cutter, and the third fixed plate is used for connecting the pressure plate and the ring cutter.
[0012] Further, the outer wall of the guide rod is slidably connected to the inner wall of the threaded block, and the guide rod is used for guiding the threaded block.
[0013] Further, the inner wall of the third fixed plate is fixedly connected with a bolt, and the bolt is used for fixing the third fixed plate.
[0014] Further, the outer wall of the threaded block is fixedly connected to the inner wall of the second push rod, and the threaded block is used for driving the second push rod to move.
[0015] The utility model has the advantages of the following:
[0016] 1. In the utility model, when the driving motor works, the screw rod is driven to rotate, so that the threaded sleeve drives the second push rod to move up and down along the screw rod, solving the problem that workers need to manually hold a hammer to hammer the ring cutter, which is time-consuming and labor-intensive, and realizing electrification, which reduces the need for manual operation and reduces the labor intensity of workers.
[0017] 2. In the utility model, when the ring cutter needs to be installed and disassembled, the clamping block is pressed into the clamping plate, and the spring is subjected to the extrusion force, solving the problem that the threaded connection method of the existing ring cutter is prone to wear on the contact surface after long-term use, and realizing the effect of quick installation and disassembly of the ring cutter. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1The utility model provides a highway engineering roadbed compactness detection equipment's three-dimensional structure schematic diagram is provided for the utility model;
[0019] Figure 2 The utility model provides a highway engineering roadbed compactness detection equipment's ring cutter partial structure schematic diagram is provided for the utility model;
[0020] Figure 3 The utility model provides a highway engineering roadbed compactness detection equipment's guide rod partial structure schematic diagram is provided for the utility model;
[0021] Figure 4 For Figure 2 The enlarged view of A in the figure.
[0022] Legend:
[0023] 1, handle; 2, protective cover; 3, first push rod; 4, second push rod; 5, pressure disc; 6, ring cutter; 7, drive motor; 8, connecting column; 9, rotating shaft; 10, guide rod; 11, threaded block; 12, screw rod; 13, first fixed plate; 14, second fixed plate; 15, spring; 16, clamping block; 17, clamping plate; 18, connecting plate; 19, connecting shaft; 20, third fixed plate; 21, bolt. Specific implementation
[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor all belong to the range of protection of the utility model.
[0025] Refer to Figure 1 And Figure 3The utility model provides a kind of embodiment: highway engineering roadbed compactness detection equipment, including handle 1, handle 1 lower surface is fixedly connected with protective cover 2, protective cover 2 is used to protect driving motor 7, protective cover 2 inside is provided with moving assembly, moving assembly is used to move second push rod 4, protective cover 2 below is provided with telescopic component, moving assembly includes driving motor 7, driving motor 7 is used to realize electrification, driving motor 7 lower surface is fixedly connected with connecting column 8, connecting column 8 lower surface is fixedly connected with rotating shaft 9, driving motor 7 drives connecting column 8 rotation, connecting column 8 drives screw rod 12 to rotate, rotating shaft 9 lower surface is fixedly connected with screw rod 12, screw rod 12 outer wall is connected with screw block 11 by thread, screw block 11 moves up and down along screw rod 12, telescopic component includes first push rod 3, first push rod 3 upper surface is fixedly connected in driving motor 7 lower surface, first push rod 3 inside is slidably connected with second push rod 4, screw block 11 drives second push rod 4 to move up and down, second push rod 4 inner wall is fixedly connected with guide rod 10.
[0026] Refer to Figures 1-4 , second push rod 4 lower surface is fixedly connected with pressure disc 5, pressure disc 5 is used to be compacted to ring cutter 6, pressure disc 5 lower surface is fixedly connected with first fixed plate 13, first fixed plate 13 below is provided with installation component, installation component is used to install ring cutter 6 and pressure disc 5, installation component includes clamping block 16, clamping block 16 outer wall is fixedly connected in first fixed plate 13 lower surface, clamping block 16 outer wall is slidably connected with clamping plate 17, clamping plate 17 is used to hold fixed clamping block 16, clamping plate 17 inner wall is rotatably connected with connecting shaft 19, connecting shaft 19 outer wall is fixedly connected with connecting plate 18, clamping plate 17 outer wall is fixedly connected with second fixed plate 14, second fixed plate 14 lower surface is fixedly connected with spring 15, press clamping block 16, spring 15 is extruded, so that clamping block 16 is inserted into clamping plate 17 inside, spring 15 lower surface is fixedly connected with third fixed plate 20.
[0027] Refer to Figures 1-4 , third fixed plate 20 lower surface is fixedly connected with ring cutter 6, third fixed plate 20 is used to connect pressure disc 5 and ring cutter 6, guide rod 10 outer wall is slidably connected in screw block 11 inner wall, guide rod 10 is used to guide screw block 11, third fixed plate 20 inner wall is fixedly connected with bolt 21, bolt 21 is used to fix third fixed plate 20, screw block 11 outer wall is fixedly connected in second push rod 4 inner wall, screw block 11 is used to drive second push rod 4 to move.
[0028] Working principle: when the staff needs to detect the compaction degree of the highway subgrade, at this time, the ring knife method is needed to detect, first, select the area of the soil to be detected, remove the surface sundries, mark the sampling position, place the ring knife vertically on the target soil layer, ensure that the ring knife is at right angles with the soil layer, hold the handle 1, start the driving motor 7, the connecting column 8 drives the lead screw 12 to rotate, at this time, the threaded block 11 drives the second push rod 4 to move downward, at the same time, drives the ring knife 6 to move downward, enters the soil sampling, when the sampling is completed, the threaded block 11 drives the second push rod 4 to move upward along the lead screw, makes the ring knife 6 take out from the soil, when the ring knife 6 is worn, it can be quickly disassembled and replaced, pulls out the clamping block 16 upward, so that the ring knife 6 is separated from the pressing plate 5, replaces and installs the ring knife 6, presses the clamping block 16 downward, the spring 15 is extruded, makes the clamping block 16 can be clamped into the inside of the clamping plate 17, so that the quick installation effect is realized.
[0029] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. Highway engineering roadbed compactness detection equipment, comprising a handle (1), characterized in that: The handle (1) lower surface is fixedly connected with a protective cover (2), the protective cover (2) is internally provided with a moving assembly, and the protective cover (2) is provided below with a telescopic assembly; The moving assembly comprises a driving motor (7), the driving motor (7) lower surface is fixedly connected with a connecting column (8), the connecting column (8) lower surface is fixedly connected with a rotating shaft (9), the rotating shaft (9) lower surface is fixedly connected with a lead screw (12), and the lead screw (12) outer wall is threadedly connected with a threaded block (11).
2. The highway engineering sub-grade compactness detection device according to claim 1, characterized in that: The telescopic assembly comprises a first push rod (3), the first push rod (3) upper surface is fixedly connected with the driving motor (7) lower surface, the first push rod (3) is internally and slidably connected with a second push rod (4), and the second push rod (4) inner wall is fixedly connected with a guide rod (10).
3. The highway engineering sub-grade compactness detection device according to claim 2, characterized in that: The second push rod (4) lower surface is fixedly connected with a pressure plate (5), the pressure plate (5) lower surface is fixedly connected with a first fixed plate (13), and the first fixed plate (13) is provided below with a mounting assembly.
4. The highway engineering sub-grade compactness detection device according to claim 3, characterized in that: The mounting assembly comprises a clamping block (16), the clamping block (16) outer wall is fixedly connected with the first fixed plate (13) lower surface, the clamping block (16) outer wall is slidably connected with a clamping plate (17), the clamping plate (17) inner wall is rotatably connected with a connecting shaft (19), the connecting shaft (19) outer wall is fixedly connected with a connecting plate (18), the clamping plate (17) outer wall is fixedly connected with a second fixed plate (14), the second fixed plate (14) lower surface is fixedly connected with a spring (15), and the spring (15) lower surface is fixedly connected with a third fixed plate (20).
5. The highway engineering sub-grade compactness detection device according to claim 4, characterized in that: The third fixed plate (20) lower surface is fixedly connected with a ring cutter (6), and the third fixed plate (20) is used for connecting the pressure plate (5) and the ring cutter (6).
6. The highway engineering sub-grade compactness detection device according to claim 2, characterized in that: The guide rod (10) outer wall is slidably connected with the threaded block (11) inner wall, and the guide rod (10) is used for guiding the threaded block (11).
7. The highway engineering sub-grade compactness detection device according to claim 4, characterized in that: The third fixed plate (20) inner wall is fixedly connected with a bolt (21), and the bolt (21) is used for fixing the third fixed plate (20).
8. The highway engineering sub-grade compactness detection device according to claim 1, characterized in that: The threaded block (11) outer wall is fixedly connected with the second push rod (4) inner wall, and the threaded block (11) is used for driving the second push rod (4) to move.