CN221218421U - Laser automatic road deflection detection system - Google Patents
Laser automatic road deflection detection system Download PDFInfo
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- CN221218421U CN221218421U CN202322803884.1U CN202322803884U CN221218421U CN 221218421 U CN221218421 U CN 221218421U CN 202322803884 U CN202322803884 U CN 202322803884U CN 221218421 U CN221218421 U CN 221218421U
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- testing mechanism
- loading vehicle
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- detection system
- computer
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 238000006073 displacement reaction Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Abstract
The utility model discloses a laser automatic road deflection detection system in the technical field of road quality detection equipment, which comprises a displacement sensor, a testing mechanism, a lifting and descending device, a walking winch device, a data acquisition and processing lower computer, a loading vehicle, a steel wire rope and a probe, wherein the displacement sensor is arranged on the testing mechanism, the testing mechanism is connected to the bottom of the loading vehicle in a sliding manner, the lifting and descending device is connected to the bottom of the loading vehicle in a sliding manner, the testing mechanism is lifted and descended through the lifting and descending device, the walking winch device is arranged on the front side of the bottom of the loading vehicle, the steel wire rope is wound on the walking winch device, the other end of the steel wire rope is fixedly connected with the testing mechanism, the data acquisition and processing lower computer and the computer are respectively and electrically connected with the computer, and data acquisition and processing software in the computer analyzes and calculates acquired signals to obtain deflection values, and represents deflection and other index data.
Description
Technical Field
The utility model relates to the technical field of road quality detection equipment, in particular to a laser automatic road deflection detection system.
Background
Deflection is an important indicator that directly reflects road stiffness. The larger the deflection value, the poorer the road rigidity, and the larger the deformation, the more easily the layers of the road are broken. The pavement deflection is one of indexes of pavement acceptance monitoring control, and meanwhile, data support is provided for evaluating the condition of a pavement bed and reinforcing design. Therefore, it is necessary to detect the deflection of the road, and for this purpose, we have devised a laser automatic road deflection detection system.
Disclosure of utility model
The utility model aims to provide a laser automatic road deflection detection system which can solve the problem that the laser automatic road deflection detection system special for detecting road deflection does not exist in the prior art.
In order to solve the technical problems, the utility model provides a laser automatic road deflection detection system, which adopts the following technical scheme: the device comprises a displacement sensor, a testing mechanism, a lifting and descending device, a step-moving winch, a data acquisition and processing lower computer, a loading vehicle, a steel wire rope and a probe, wherein the displacement sensor is arranged on the testing mechanism, the testing mechanism is slidably connected to the bottom of the loading vehicle, the lifting and descending device is slidably connected to the rear side of the bottom of the loading vehicle, the lifting and descending device is used for lifting and descending the testing mechanism, the step-moving winch is arranged on the front side of the bottom of the loading vehicle, the steel wire rope is wound on the step-moving winch, the other end of the steel wire rope is fixedly connected with the testing mechanism, the data acquisition and processing lower computer and the computer are all arranged inside the loading vehicle, the data acquisition and processing lower computer are respectively electrically connected with the computer and the displacement sensor, the probe is arranged at the tail end of the testing mechanism, and the probe is electrically connected with the displacement sensor.
Optionally, the displacement sensors are two groups.
Optionally, an operation window penetrating through the bottom plate of the loading vehicle is formed in the loading vehicle, and the lifting and descending device is slidably installed in the operation window.
Optionally, the testing mechanism includes the slide bar that hangs in the loading wagon bottom, and slide bar both ends are connected with the loading wagon bottom through the articulated elements, testing mechanism sliding connection is on the slide bar.
Optionally, a roller is disposed at the rear end of the testing mechanism.
Optionally, temperature sensor is installed on the testing mechanism, and temperature sensor is two sets of, two sets of temperature sensor all with data acquisition handles lower computer electric connection, two sets of temperature sensor all with probe electric connection.
Optionally, the rear axle of the loading truck weighs 10 tons.
In summary, the present utility model includes at least one of the following beneficial effects:
The rear axle of the loading truck weighs 10 tons, and when the rear wheel of the loading truck runs forwards and approaches the rear end of the testing beam arm, the load born by the road surface at the rear end of the beam arm is gradually increased, and the ground is sunk. Through the lever principle, the displacement sensor detects the corresponding displacement variation at the point, and the deflection value of the road surface is obtained through calculation. The temperature is a factor which is worth influencing deflection, and the temperature sensor is used for measuring the pavement temperature and the air temperature. The distance measuring system measures the distance travelled by the detection device on the vehicle. The data acquisition processing lower computer processes and converts signals acquired by the displacement sensor and the temperature sensor, and transmits the signals to the computer through the data transmission cable. The data acquisition processing software in the computer analyzes and calculates the acquired signals to obtain deflection values, representing deflection and other index data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Reference numerals illustrate: 1. a displacement sensor; 2. a testing mechanism; 3. lifting and lowering means; 4. a step-by-step winding device; 5. the data acquisition processing lower computer; 6. a computer; 7. a loading vehicle; 8. a wire rope.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
Referring to fig. 1, the present utility model discloses a laser automatic road deflection detection system,
Comprises two groups of displacement sensors 1, a testing mechanism 2, a lifting and descending device 3, a walking winch device 4, a data acquisition and processing lower computer 5, a computer 6, a loading vehicle 7, a steel wire rope 8 and a probe 9, wherein the displacement sensors 1 are arranged on the testing mechanism 2, the testing mechanism 2 is slidably connected to the bottom of the loading vehicle 7, the testing mechanism 2 comprises a sliding rod hung at the bottom of the loading vehicle 7, two ends of the sliding rod are connected with the bottom of the loading vehicle 7 through a hinge piece, the testing mechanism 2 is slidably connected to the sliding rod, the rear end of the testing mechanism 2 is provided with a roller, the testing mechanism 2 is provided with two groups of temperature sensors which are electrically connected with the data acquisition and processing lower computer 5, the two groups of temperature sensors are electrically connected with the probe 9, the lifting and descending device 3 is slidably connected to the rear side of the bottom of the loading vehicle 7, the lifting and descending device 3 is used for lifting and descending the testing mechanism 2, an operation window penetrating through the bottom plate of the loading vehicle 7 is formed in the loading vehicle 7, the lifting and descending device 3 is slidably mounted in the operation window, the walking winch device 4 is mounted on the front side of the bottom of the loading vehicle 7, the winding wire rope 8 is arranged on the walking winch device 4, the other end of the wire rope 8 is fixedly connected with the testing mechanism 2, the data acquisition processing lower computer 5 and the computer 6 are mounted in the loading vehicle 7, the data acquisition processing lower computer 5 is electrically connected with the computer 6 and the displacement sensor 2 respectively, the probe 9 is mounted at the tail end of the testing mechanism 2, the probe 9 is electrically connected with the displacement sensor 2, and the rear axle weight of the loading vehicle 7 is 10 tons.
The working principle is as follows: when the operator carries out the ascending and descending action of the test mechanism 2 through the lifting and descending device 3 through the observation window, the test mechanism 2 is firstly lowered through the lifting and descending device 3, the displacement sensor 1 is fixed on the test mechanism 2, the test mechanism 2 is dragged to a certain position by the walking winch device 4 forwards through the steel wire rope 8 at a double speed, the loading vehicle 7 always runs forwards at a constant speed, the probe 9 gradually approaches the tail end of the test mechanism, the probe 9 is influenced by the displacement deformation generated by the ground to generate displacement change, the displacement deformation of the ground is measured through the lever principle displacement sensor 1, the data measured by the displacement sensor 1 is received by the data acquisition processing lower computer 5, the data is transmitted to the computer 6 for analysis and operation of the data, and the whole system takes the loading vehicle 7 as a carrier.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. The utility model provides an automatic road deflection detecting system of laser which characterized in that: the device comprises a displacement sensor, a testing mechanism, a lifting and descending device, a step-moving winch, a data acquisition and processing lower computer, a loading vehicle, a steel wire rope and a probe, wherein the displacement sensor is arranged on the testing mechanism, the testing mechanism is slidably connected to the bottom of the loading vehicle, the lifting and descending device is slidably connected to the rear side of the bottom of the loading vehicle, the lifting and descending device is used for lifting and descending the testing mechanism, the step-moving winch is arranged on the front side of the bottom of the loading vehicle, the steel wire rope is wound on the step-moving winch, the other end of the steel wire rope is fixedly connected with the testing mechanism, the data acquisition and processing lower computer and the computer are all arranged inside the loading vehicle, the data acquisition and processing lower computer are respectively electrically connected with the computer and the displacement sensor, the probe is arranged at the tail end of the testing mechanism, and the probe is electrically connected with the displacement sensor.
2. The laser automatic road deflection detection system of claim 1, wherein: the displacement sensors are two groups.
3. The laser automatic road deflection detection system of claim 1, wherein: the loading vehicle is internally provided with an operation window penetrating through the loading vehicle bottom plate, and the lifting and descending device is slidably arranged in the operation window.
4. The laser automatic road deflection detection system of claim 1, wherein: the testing mechanism comprises a sliding rod hung at the bottom of the loading vehicle, two ends of the sliding rod are connected with the bottom of the loading vehicle through hinge pieces, and the testing mechanism is connected to the sliding rod in a sliding mode.
5. The laser automatic road deflection detection system of claim 4, wherein: the rear end of the testing mechanism is provided with a roller.
6. The laser automatic road deflection detection system of claim 5, wherein: the temperature sensor is arranged on the testing mechanism, two groups of temperature sensors are arranged, the two groups of temperature sensors are electrically connected with the lower computer for data acquisition and processing, and the two groups of temperature sensors are electrically connected with the probe.
7. The laser automatic road deflection detection system of claim 1, wherein: the rear axle of the loading truck weighs 10 tons.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221218421U true CN221218421U (en) | 2024-06-25 |
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