Unmanned deflection detection device
By designing a road cleaning device and cleaning components for an unmanned deflection detection device, the problem of inaccurate detection under complex road conditions is solved, and automated cleaning and high-precision road settlement and deformation detection are achieved.
Patent Information
- Application Number
- CN202421700306.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-07-18
AI Technical Summary
Existing road surface detection devices are easily obstructed by stones and dust under complex road conditions, resulting in inaccurate detection and time-consuming and labor-intensive manual cleaning.
An unmanned deflection detection device was designed, which includes a road cleaning device. It automatically cleans gravel and dust through moving components and cleaning components to ensure uniform force on the detection points, and further cleans them by blowing air through an air pump to improve detection accuracy.
It realizes the automatic cleaning of gravel and dust under complex road conditions, improves the accuracy and precision of detection, and ensures the reference value of detection data.
Smart Images

Figure CN223358058U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road settlement and deformation detection, in particular to an unmanned deflection detection device. Background Art
[0002] The drop weight deflectometer is a pulsed dynamic deflectometer with the advantages of being non-destructive, fast in measurement, and highly accurate. It can well simulate the effects of vehicle loads, and the test results are deflection basin data. It is particularly suitable for deflection measurement and bearing capacity assessment of high-grade highway pavements and airports. It is one of the most advanced non-destructive testing equipment for pavement strength in the world. It can then determine the stability of the foundation, thereby guiding the engineering design and construction process.
[0003] The prior art has a publication number of CN215179313U. The technical solution disclosed in this patent document is as follows: a roadbed drop hammer deflection detection device, comprising a workbench, a first movable block, a drop hammer and a transmission rod, a first motor is fixedly mounted on one side of the workbench, and the top end of the first motor is movably connected to a rotating shaft, the top end of the rotating shaft is fixedly connected to a spiral shaft, and one side outside the spiral shaft is movably connected to the first movable block.
[0004] The above patent does not provide a structure for cleaning gravel on the road surface under the deflectometer. Generally, the road conditions that need to be detected are uncertain and complex. The gravel and dust may hinder the deflectometer's hammer, causing uneven force on the road surface, resulting in inaccurate deflectometer detection, and manual cleaning is time-consuming and labor-intensive. Utility Model Content
[0005] The purpose of the present invention is to provide an unmanned deflection detection device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an unmanned deflection detection device, comprising a workbench bracket unit, a drop hammer deflectometer is installed on the middle bolt of the workbench bracket unit, and a road surface cleaning device is fixedly installed below the workbench bracket unit.
[0007] The road surface cleaning device includes a moving component, which is installed below the workbench bracket unit. A transmission component is fixedly installed on the moving component, and a cleaning component is fixedly installed on the bottom side of the transmission component.
[0008] As a further preferred embodiment of the present technical solution, the workbench bracket unit includes a workbench, with vertical poles fixedly connected on both sides of the workbench, a top plate fixedly connected to the top side of the vertical poles, and support plates fixedly connected between the outer walls of the vertical poles and the workbench.
[0009] As a further preferred embodiment of the present technical solution, a slide groove is provided on the inner side of the support plate, and scale lines are provided on the inner side of the support plate and on the front and rear sides of the slide groove.
[0010] In the above technical solution, the slide plate slides in the slide groove during the hammering process, thereby improving the stability of the hammer connection.
[0011] As a further preferred embodiment of the present technical solution, the drop-hammer deflectometer includes a hydraulic cylinder, which is arranged on the bottom side of the top plate by bolts, and the output end of the hydraulic cylinder is bolted to a slide, and the bottom side of the slide is fixedly connected to a fixed column, and the fixed column passes through the workbench and is bolted to a heavy hammer, and the bottom side of the heavy hammer is fixedly connected to a bearing plate.
[0012] As a further preferred embodiment of the present technical solution, the front and rear outer surfaces of the left and right sides of the slide are fixedly connected with indicator heads, and the indicator heads are slidably connected to the scale lines.
[0013] In the above technical solution, it can be observed that the heavy hammer falls freely from different heights, thereby generating different impact forces, making the detection data more referenceable.
[0014] As a further preferred embodiment of the present technical solution, the moving component includes support legs, which are arranged at the bottom corners of the workbench, pulleys are provided on the bottom sides of the support legs, fixed plates are fixedly connected between the front and rear support legs, cylinders are provided on the bottom sides of the fixed plates, the output ends of the cylinders are fixedly connected to mounting plates, the bottom sides of the mounting plates are fixedly connected to pressure plates, and small conical blocks are arranged on the bottom sides of the pressure plates.
[0015] In the above technical solution, after the movement, the pressing plate is supported on the road surface by the cylinder to prevent the device from moving when the heavy hammer is applied, thereby improving the accuracy of the detection.
[0016] As a further preferred embodiment of the present technical solution, the transmission assembly includes a base plate, which is sleeved on the outer wall of the supporting leg, a screw rod is provided on the front side of the base plate, a motor 1 is installed on one end of the screw rod, a sliding rod is provided on the rear side of the base plate, a movable block 1 is threadedly connected to the outer wall of the screw rod, and a movable block 2 is slidably connected to the outer wall of the sliding rod, and the top sides of the movable block 1 and the movable block 2 are both slidably connected to the bottom side of the base plate.
[0017] As a further preferred embodiment of the present technical solution, the cleaning assembly includes a connecting rod, which is fixedly connected to the bottom sides of movable block one and movable block two, and a mounting bracket is fixedly connected between the front and rear connecting rods. A cleaning roller is rotatably connected inside the mounting bracket, and a motor two is provided at the top end of the front side of the mounting bracket. The motor two is connected to the cleaning roller through a conveyor belt. An air blowing pipe is arranged through the mounting bracket, a main pipe is provided on the left side of the air blowing pipe, an air pump is provided on the left side of the bottom plate, and an air supply pipe is provided between the air outlet of the air pump and the air inlet in the middle of the main pipe.
[0018] In the above technical solution, the cleaning component can be moved through the transmission component, thereby cleaning away the gravel and dust appearing on the detection point, reducing the obstruction of road settlement and deformation detection by gravel and dust at the detection point, making the force uniform and improving the accuracy of detection.
[0019] The utility model provides an unmanned deflection detection device, which has the following beneficial effects:
[0020] (1) The utility model installs a road cleaning device, which can move the heavier drop hammer deflectometer to the designated detection point through the provided moving component, and after the movement, the pressure plate is supported on the road surface through the cylinder to prevent the device from moving when the heavy hammer is applied, thereby improving the detection accuracy. In addition, the provided cleaning component can be moved through the transmission component, thereby cleaning away the gravel and dust appearing on the detection point, and further cleaning the dust through the wind blown out by the air pump, thereby reducing the gravel and dust at the detection point from hindering the road settlement deformation detection, making the force evenly distributed, and improving the detection accuracy.
[0021] (2) The utility model is capable of detecting the settlement and deformation of the road surface by means of the drop-hammer deflectometer, and during the hammering process, the slide plate slides in the slide groove, thereby improving the stability of the hammer connection, and the indicator head slides on the scale line, so that the hammer can be observed to fall freely from different heights, thereby generating different impact forces, making the detection data more referenceable. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 This is a schematic structural diagram of the road surface cleaning device of the present utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the cleaning component of the utility model;
[0025] Figure 4 It is an enlarged view of Figure A of the present utility model;
[0026] Figure 5It is an enlarged view of Figure B of the present utility model;
[0027] Figure: 1, workbench support unit; 2, drop weight deflectometer; 3, road surface cleaning device; 11, workbench; 12, upright pole; 13, top plate; 14, support plate; 141, slide; 142, scale line; 21, hydraulic cylinder; 22, slide plate; 221, indicator head; 23, fixed column; 24, heavy hammer; 25, bearing plate; 31, moving assembly; 32, transmission assembly; 33, cleaning assembly; 311, support leg; 3 12. Pulley; 313. Fixed plate; 314. Cylinder; 315. Mounting plate; 316. Pressing plate; 321. Bottom plate; 322. Screw rod; 323. Motor 1; 324. Sliding rod; 325. Movable block 1; 326. Movable block 2; 331. Connecting rod; 332. Mounting bracket; 333. Cleaning roller; 334. Motor 2; 335. Air blow pipe; 336. Main pipe; 337. Air pipe; 338. Air pump. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0029] The utility model provides a technical solution: Figure 1 and Figure 2 As shown, in this embodiment, the unmanned deflection detection device includes a workbench bracket unit 1, a drop hammer deflectometer 2 is installed with a bolt in the middle of the workbench bracket unit 1, a road surface cleaning device 3 is fixedly installed below the workbench bracket unit 1, and the workbench bracket unit 1 includes a workbench 11, vertical poles 12 are fixedly connected on both sides of the workbench 11, a top plate 13 is fixedly connected to the top side of the vertical pole 12, and a support plate 14 is fixedly connected between the outer wall of the vertical pole 12 and the workbench 11, and a slide groove 141 is opened on the inner side of the support plate 14, and scale lines 142 are provided on the inner side of the support plate 14 and on the front and rear sides of the slide groove 141.
[0030] like Figure 2 and Figure 4As shown, the drop-hammer deflectometer 2 includes a hydraulic cylinder 21, which is arranged on the bottom side of the top plate 13 by bolts, and the output end of the hydraulic cylinder 21 is bolted to a slide plate 22, and the bottom side of the slide plate 22 is fixedly connected to a fixing column 23, which passes through the workbench 11 and is bolted to a heavy hammer 24, and the bottom side of the heavy hammer 24 is fixedly connected to a bearing plate 25, and the front and rear outer surfaces of the left and right sides of the slide plate 22 are fixedly connected to an indicating head 221, and the indicating head 221 is slidably connected to the scale line 142. The drop-hammer deflectometer 2 is set up to detect the settlement deformation of the road surface, and during the heavy hammer process, the slide plate 22 slides in the slide groove 141, thereby improving the stability of the connection of the heavy hammer 24, and making the indicating head 221 slide on the scale line 142, so that the heavy hammer 24 can be observed to fall freely from different heights, thereby generating different impact forces, making the detection data more referenceable.
[0031] like Figure 3 and Figure 5As shown, the road cleaning device 3 includes a moving component 31, which is installed under the workbench bracket unit 1. A transmission component 32 is fixedly installed on the moving component 31, and a cleaning component 33 is fixedly installed on the bottom side of the transmission component 32. The moving component 31 includes a support leg 311, which is set at the bottom corner of the workbench 11. A pulley 312 is set on the bottom side of the support leg 311. A fixed plate 313 is fixedly connected between the front and rear support legs 311. A cylinder 314 is set on the bottom side of the fixed plate 313. The output end of the cylinder 314 is fixedly connected to the mounting plate 315. The bottom side of the mounting plate 315 The bottom of the support leg 311 is provided with a small cone block, and the transmission assembly 32 includes a bottom plate 321, and the bottom plate 321 is sleeved on the outer wall of the support leg 311. The front side of the bottom plate 321 is provided with a screw rod 322, and a motor 1 323 is installed at one end of the screw rod 322. A slide rod 324 is provided on the back side of the bottom plate 321. The outer wall of the screw rod 322 is threadedly connected to a movable block 1 325, and the outer wall of the slide rod 324 is slidably connected to a movable block 2 326. The top sides of the movable blocks 1 325 and 326 are both slidably connected to the bottom side of the bottom plate 321. The cleaning assembly 33 includes a connecting rod 331, and the connecting rod 332 is provided with a connecting rod 334. 31 is fixedly connected to the bottom side of movable block 1 325 and movable block 2 326, a mounting frame 332 is fixedly connected between the front and rear connecting rods 331, a cleaning roller 333 is rotatably connected inside the mounting frame 332, a motor 2 334 is provided at the top of the front side of the mounting frame 332, the motor 2 334 and the cleaning roller 333 are connected by a conveyor belt, an air blowing pipe 335 is arranged through the mounting frame 332, a main pipe 336 is provided on the left side of the air blowing pipe 335, an air pump 338 is provided on the left side of the bottom plate 321, and an air supply pipe 337 is provided between the air outlet of the air pump 338 and the air inlet in the middle of the main pipe 336. The device 3 can move the heavier drop-hammer deflectometer 2 to the designated detection point through the provided moving component 31, and after the movement, the cylinder 314 supports the clamping plate 316 on the road surface to prevent the device from moving when the heavy hammer is applied, thereby improving the accuracy of the detection. In addition, the cleaning component 33 can be moved through the transmission component 32, thereby cleaning away the gravel and dust appearing on the detection point, and further cleaning the dust through the wind blown out by the air pump 338, thereby reducing the obstruction of the road settlement deformation detection by the gravel and dust at the detection point, making the force evenly distributed, and improving the accuracy of the detection.
[0032] The utility model provides an unmanned deflection detection device, the specific working principle is as follows: the pulley 312 is used to move the device to a designated road surface detection point, and then the cylinder 314 is started to press the pressing plate 316 against the road surface for support; then the control module is used to start the motor 1 323 and make the screw rod 322 rotate, so that the movable block 1 325 moves on the screw rod 322, and the movable block 2 326 slides on the slide rod 324, and at the same time the slide rod 334 is started to drive the cleaning roller 333 to rotate, so that the cleaning roller 333 cleans away the gravel and dust at the detection location, and in addition, the air pump 338 is started during the process, so that the gas is ejected from the air pipe 335 to further clean the dust; after the cleaning is completed, the hydraulic cylinder 21 is used to make the slide plate 22 slide in the slide groove 141, so that the weight 24 is in different initial positions, so that different initial heights have different impact forces, so that the detection data is more referenced, and then the hydraulic cylinder 21 is used to make the weight 24 hit the road surface to perform settlement deformation detection.
[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An unmanned deflection detection device, comprising a workbench support unit (1), characterized in that: A drop-weight deflectometer (2) is bolted to the middle of the workbench bracket unit (1), and a road surface cleaning device (3) is fixedly installed below the workbench bracket unit (1); The road surface cleaning device (3) comprises a moving assembly (31), the moving assembly (31) being mounted below the workbench support unit (1), a transmission assembly (32) being fixedly mounted on the moving assembly (31), and a cleaning assembly (33) being fixedly mounted on the bottom side of the transmission assembly (32).
2. The unmanned deflection detection device according to claim 1, characterized in that: The workbench support unit (1) comprises a workbench (11), with vertical poles (12) fixedly connected to both sides of the workbench (11), a top plate (13) fixedly connected to the top side of the vertical pole (12), and a support plate (14) fixedly connected between the outer wall of the vertical pole (12) and the workbench (11).
3. The unmanned deflection detection device according to claim 2, characterized in that: The inner side of the support plate (14) is provided with a slide groove (141), and the inner side of the support plate (14) and the front and rear sides of the slide groove (141) are provided with scale lines (142).
4. The unmanned deflection detection device according to claim 1, characterized in that: The drop-weight deflectometer (2) includes a hydraulic cylinder (21), which is bolted to the bottom side of the top plate (13). The output end of the hydraulic cylinder (21) is bolted to a slide plate (22), and the bottom side of the slide plate (22) is fixedly connected to a fixing column (23). The fixing column (23) passes through the workbench (11) and is bolted to a weight (24), and the bottom side of the weight (24) is fixedly connected to a bearing plate (25).
5. The unmanned deflection detection device according to claim 4, characterized in that: The front and rear outer surfaces of the left and right sides of the slide plate (22) are both fixedly connected with indicator heads (221), and the indicator heads (221) are both slidably connected to the scale lines (142).
6. The unmanned deflection detection device according to claim 1, characterized in that: The moving assembly (31) includes a supporting leg (311), the supporting leg (311) is arranged at a bottom corner of the workbench (11), a pulley (312) is provided on the bottom side of each supporting leg (311), a fixing plate (313) is fixedly connected between the front and rear supporting legs (311), a cylinder (314) is provided on the bottom side of each fixing plate (313), an output end of each cylinder (314) is fixedly connected to a mounting plate (315), a pressing plate (316) is fixedly connected to the bottom side of each mounting plate (315), and small cone blocks are arranged on the bottom side of each pressing plate (316).
7. The unmanned deflection detection device according to claim 1, characterized in that: The transmission assembly (32) includes a base plate (321), the base plate (321) is sleeved on the outer wall of the support leg (311), a screw rod (322) is provided on the front side of the base plate (321), a motor 1 (323) is installed on one end of the screw rod (322), a slide rod (324) is provided on the rear side of the base plate (321), the outer wall of the screw rod (322) is threadedly connected to a movable block 1 (325), the outer wall of the slide rod (324) is slidably connected to a movable block 2 (326), and the top sides of the movable block 1 (325) and the movable block 2 (326) are both slidably connected to the bottom side of the base plate (321).
8. The unmanned deflection detection device according to claim 7, characterized in that: The cleaning assembly (33) includes a connecting rod (331), the connecting rod (331) is fixedly connected to the bottom side of the movable block 1 (325) and the movable block 2 (326), a mounting frame (332) is fixedly connected between the front and rear connecting rods (331), a cleaning roller (333) is rotatably connected inside the mounting frame (332), a motor 2 (334) is provided at the top end of the front side of the mounting frame (332), the motor 2 (334) and the cleaning roller (333) are connected through a conveyor belt, an air blowing pipe (335) is arranged through the mounting frame (332), a main pipe (336) is provided on the left side of the air blowing pipe (335), an air pump (338) is provided on the left side of the bottom plate (321), and an air supply pipe (337) is provided between the air outlet of the air pump (338) and the air inlet in the middle of the main pipe (336).
Citation Information
Patent Citations
Roadbed drop hammer type deflection detection device
CN215179313U
Cited By
Road roadbed bearing capacity detection device and detection method
CN120844546A
A device and method for detecting the bearing capacity of a road subgrade
CN120844546B