CN220367104U - Pavement performance test device capable of simulating environment and load - Google Patents
Pavement performance test device capable of simulating environment and load Download PDFInfo
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- CN220367104U CN220367104U CN202321219017.7U CN202321219017U CN220367104U CN 220367104 U CN220367104 U CN 220367104U CN 202321219017 U CN202321219017 U CN 202321219017U CN 220367104 U CN220367104 U CN 220367104U
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- 238000011056 performance test Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 239000004576 sand Substances 0.000 claims abstract description 46
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims description 18
- 238000012546 transfer Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to the field of road engineering materials, and discloses a pavement performance test device capable of simulating environment and load, which comprises a bottom plate, wherein a rotating disc is arranged on the upper surface of the bottom plate, a curved transmission device is arranged on the upper surface of the rotating disc, a fixed stirring device is arranged on the upper surface of the bottom plate, a fixed rod is arranged on the upper surface of the bottom plate, a pressurizing device is arranged on the outer wall of the fixed rod, a transmission device is arranged on the outer wall of the pressurizing device, a transmission rod shaft is arranged on the outer wall of the transmission device, a round protection cover is arranged on the outer wall of the transmission rod, wheels are arranged on the inner wall of the round protection cover, a pressure sensor is arranged on the upper surface of the bearing plate, and a test pavement is arranged on the upper surface of the pressure sensor. According to the utility model, the rotary disc, the curved transmission device and the fixed stirring device cooperate to realize fine sand recycling and automatic operation.
Description
Technical Field
The utility model relates to the field of road engineering materials, in particular to a pavement performance test device capable of simulating environment and load.
Background
The wind-blown sand environment in northwest regions of China has wide distribution range, and roads in the wind-blown sand environment are subjected to the combined action of wind-blown sand and vehicle load for a long time, and are damaged to different degrees. Therefore, the method has great theoretical significance and practical significance for developing corresponding researches on the rules of road damage in the wind and sand environment in northwest regions. In order to develop the research on the road surface performance change under the wind and sand environment in a laboratory, a device for simulating the road surface damage condition under the dual actions of the wind and sand environment and the road load in northwest areas is designed. Although there are many devices simulating a sand storm environment so far, there are few devices simulating the influence of road surfaces in the sand storm environment, and there are few devices simulating the long-term combined action of sand storm and vehicle load on the road. Therefore, it is urgent to design a device for simulating road surface damage under the dual actions of a sand wind environment and road load.
Currently, a chinese patent with a comparative application number CN202120602334 discloses a sand-blown environment simulation device, which includes a test main body, a sand-blowing assembly and a fan assembly, wherein the test main body is formed with a test chamber for placing equipment to be tested; the sand feeding component is connected with the test main body through an air duct component, the air duct component is provided with an air guide channel which is communicated with the sand feeding component and the test chamber, and the sand feeding component is used for inputting sand grains; the fan assembly is communicated with the air guide channel, so that sand grains input by the sand feeding assembly are driven to flow into the testing chamber through the air guide channel, or sand grains input by the sand feeding assembly are driven to circularly flow in the testing chamber and the air guide channel, the function of simulating a wind-sand environment can be realized, and the running reliability of a machine or equipment in the wind-sand environment can be tested. However, this device is merely a simulated sand-blown environment and is not suitable for road surfaces which are subjected to load over a long period of time. In addition, the device can not change the strength of the sand, and the utility model can be improved on the basis.
The Chinese patent with the reference to the application number of CN201120432753 discloses a sand-blown environment simulation experiment table, which comprises an enclosure structure, wherein a sand-blown simulation system, a test room and a control system are arranged in the enclosure structure, tested components are placed in the test room for testing, a blower, a sandbox, the test room and a dust remover are sequentially communicated with a circulating air duct according to the wind direction, and the sand-blown simulation system and the test room are connected with the control system so as to simulate the high-speed sand-blown environment under the climate condition of a desert. The utility model also mainly simulates a wind-sand environment, and does not relate to the consideration of road load. The control system of the utility model is a good design concept and can be applied to the utility model.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a pavement performance test device capable of simulating environment and load.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a road surface performance test device of simulative environment and load, includes the bottom plate, the upper surface of bottom plate is provided with the rotation disc, the rotation disc upper surface is provided with curved transmission, the rotation disc upper surface is provided with fixed stirring device, the upper surface of bottom plate is provided with the dead lever, the outer wall of dead lever is provided with pressurizing device, pressurizing device's outer wall is provided with transmission, transmission's outer wall is provided with the transfer line axle, the outer wall of transfer line axle is provided with circular safety cover, the outer wall of transfer line axle is provided with the wheel the inner wall of circular safety cover is provided with the loading board, the upper surface of loading board is provided with pressure sensor, pressure sensor's upper surface is provided with the test road surface, the inner wall of circular safety cover is provided with the air-blower, the outer wall of bottom plate is provided with the control box, the outer wall of bottom plate is provided with the power.
As a further description of the above technical solution:
the rotating disc rotates anticlockwise, fine sand scattered on the rotating disc is collected to the lower end of the curved transmission device through the fixed stirring device, and the distance between the rotating disc and the lower end of the curved transmission device is very close, but the operation of the rotating disc and the curved transmission device is not affected.
As a further description of the above technical solution:
the air blower is annular in shape and fixed on the circular protective cover, the air outlet direction is 20-80 degrees downwards horizontally, the angle can be freely adjusted in the range, the left air blower and the right air blower are respectively driven by the curved transmission device to send fine sand to the air outlet of the air blower, the right air blower is normally open, the left air blower can control the switch, when the left air blower is closed, the right air blower is normally open, the unidirectional sand blasting scene can be simulated, when the left air blower is opened, the non-unidirectional sand blasting scene can be simulated when the right air blower is normally open.
As a further description of the above technical solution:
the rotating disc, the curved transmission device and the blower speed are cooperatively operated in proper proportion and are connected with the control box, the change of the fine sand conveying speed can be realized through the control box, and finally, the simulation of different sand blowing intensities is realized.
As a further description of the above technical solution:
the test road surface can be placed on the fixed parallel bearing plate which is at a certain height from the rotary disc, the simulated vehicle wheels act on the test road surface, and the transmission devices at two ends can make the vehicle wheels roll back and forth on the test road surface through the transmission shaft, so that the running process of the simulated road vehicle is realized.
As a further description of the above technical solution:
the transmission device is connected with the control box, and the rolling speed of the wheels can be controlled through the control box, so that the simulation of different speeds of the vehicle is realized.
As a further description of the above technical solution:
the four-end fixing rods are respectively provided with a group of pressurizing devices, so that pressure can be synchronously applied to the transmission device, and the pressure is finally transmitted to a test pavement, thereby realizing the simulation of vehicle load.
As a further description of the above technical solution:
the bearing plate is provided with a group of pressure sensors which can cooperate with the controllable pressurizing device and the control box, so that the simulation of different vehicle loads can be realized.
The utility model has the following beneficial effects:
1. in the utility model, the rotary disc, the curved transmission device and the fixed stirring device cooperate to realize the recycling and automatic operation of fine sand.
2. In the utility model, the air outlet of the air blower can be regulated in a certain range, the right air blower is normally opened, the left air blower can be controlled to be opened and closed, thereby simulating unidirectional and non-unidirectional sand blowing situations with different angles, and simultaneously, the control box can control the speeds of the rotating disc, the curved transmission device and the air blower, so as to simulate different sand blowing intensities.
3. According to the utility model, the transmission device can be controlled by the controller, and the rolling speed of the wheels is controlled by the transmission shaft, so that the simulation of different running speeds is realized.
4. In the utility model, the pressure sensor, the pressurizing device and the controller jointly act, so that the simulation of different vehicle loads can be realized.
Drawings
FIG. 1 is a front view of a pavement performance testing apparatus capable of simulating environment and load according to the present utility model;
fig. 2 is an internal view of a circular protective cover of a pavement performance test device capable of simulating environment and load according to the present utility model.
Legend description:
1. rotating the disc; 2. a curved transmission; 3. a fixed stirring device; 4. a carrying plate; 5. a pressure sensor; 6. testing the pavement; 7. a transfer shaft; 8. a wheel; 9. a transmission device; 10. a blower; 11. a circular protective cover; 12. a pressurizing device; 13. a fixed rod; 14. a control box; 15. a bottom plate; 16. and a power supply.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, one embodiment provided by the present utility model is: the utility model provides a road surface performance test device of simulative environment and load, including bottom plate 15, the upper surface of bottom plate 15 is provided with rotary disk 1, rotary disk 1 upper surface is provided with curved transmission 2, rotary disk 1 upper surface is provided with fixed stirring device 3, the upper surface of bottom plate 15 is provided with dead lever 13, the outer wall of dead lever 13 is provided with pressure device 12, the outer wall of pressure device 12 is provided with transmission 9, the outer wall of transmission 9 is provided with transfer shaft 7, the outer wall of transfer shaft 7 is provided with circular safety cover 11, the outer wall of transfer shaft 7 is provided with the inner wall of the circular safety cover 11 of wheel 8 and is provided with loading board 4, the upper surface of loading board 4 is provided with pressure sensor 5, the upper surface of pressure sensor 5 is provided with test road surface 6, the inner wall of circular safety cover 11 is provided with air-blower 10, the outer wall of bottom plate 15 is provided with control box 14, the outer wall of bottom plate 15 is provided with power 16.
The rotating disc 1 rotates anticlockwise, fine sand scattered on the rotating disc 1 is gathered to the lower end of the curved transmission device 2 through the fixed stirring device 3, the distance between the rotating disc 1 and the lower end of the curved transmission device 2 is very close, the operation of the rotating disc 1 and the curved transmission device 2 is not affected, the power supply 16 is turned on at first, and whether the device operates normally is checked.
The blower 10 is annular in shape and fixed on the circular protection cover 11, and the air outlet direction is 20-80 degrees horizontally downwards, so that the angle can be freely adjusted within the range, and the left and right sides are respectively. The curved transmission device 2 sends fine sand to the air outlet of the blower 10, the right blower 10 is normally open, and the left blower 10 can be controlled to be switched on and off. When the left blower 10 is turned off and the right blower 10 is turned on, a unidirectional sand blast situation can be simulated.
The rotating disc 1, the curved transmission device 2 and the blower 10 work cooperatively in proper proportion and are connected with the control box 14, so that the change of the fine sand conveying speed can be realized through the control box 14, and finally, the simulation of different sand blowing intensities is realized.
A fixed parallel carrier plate 4 is located at a certain height from the rotating disc 1, on which a test pavement 6 can be placed. The simulated wheels 8 act on the test pavement 6, and the transmission devices 9 at two ends can enable the wheels 8 to roll back and forth on the test pavement 6 through the transmission shaft 7, so that the driving process of the road vehicle is simulated.
The transmission device 9 is connected with the control box 14, and the rolling speed of the wheels 8 can be controlled through the control box 14, so that the simulation of different speeds of the vehicle can be realized.
The four-end fixing rods 13 are respectively provided with a group of pressurizing devices 12, so that pressure can be synchronously applied to the transmission device 9, and the pressure is finally transmitted to the test pavement 6, thereby realizing the simulation of vehicle load.
The bearing plate 4 is provided with a group of pressure sensors 5 which can cooperate with the controllable pressurizing device 12 and the control box 14 to simulate different vehicle loads.
Working principle: when the device is required to be used, firstly, a power supply 16 is turned on to check whether the device operates normally, secondly, the device is debugged, the air outlet angle of the air blower 10 is regulated, the wind sand intensity, the rolling speed of the wheels 8, the load of the wheels 8 and the duration of a simulation test are set through the control box 14, then, a proper amount of fine sand is uniformly scattered on the rotating disc 1, meanwhile, the prepared standard-size test pavement 6 is placed on the bearing plate 4 and is arranged right below the wheels 8, then, a switch of the control box 14 is turned on, whether the left air blower 10 is turned on or not is determined according to the simulated wind direction type, the whole change condition of the pavement in the process can be observed and recorded in the simulation test process, after the simulation test is finished, the test pavement 6 is taken out, the intensity, the flatness, the skid resistance and the pavement damage condition of the test pavement 6 are detected through corresponding tests, and the record are recorded, and the device can simulate the damage condition of the pavement under different vehicle loads and different running speeds under different wind sand environments with different intensities, and simultaneously can simulate different unidirectional sand and different wind sand caused by different topography angles.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a road surface performance test device of simulative environment and load, includes bottom plate (15), its characterized in that: the utility model discloses a rotary disk type electric motor, including bottom plate (15), rotary disk (1) upper surface is provided with bent transmission (2), rotary disk (1) upper surface is provided with fixed stirring device (3), the upper surface of bottom plate (15) is provided with dead lever (13), the outer wall of dead lever (13) is provided with supercharging device (12), the outer wall of supercharging device (12) is provided with transmission (9), the outer wall of transmission (9) is provided with transfer axle (7), the outer wall of transfer axle (7) is provided with circular safety cover (11), the outer wall of transfer axle (7) is provided with wheel (8) the inner wall of circular safety cover (11) is provided with loading board (4), the upper surface of loading board (4) is provided with pressure sensor (5), the upper surface of pressure sensor (5) is provided with test road surface (6), the inner wall of circular safety cover (11) is provided with air-blower (10), the outer wall of bottom plate (15) is provided with control box (14), the outer wall of bottom plate (15) is provided with power (16).
2. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: the rotating disc (1) rotates anticlockwise, fine sand scattered on the rotating disc (1) is gathered to the lower end of the curved transmission device (2) through the fixed stirring device (3), and the lower ends of the rotating disc (1) and the curved transmission device (2) are closely spaced, but the operation of each rotating disc is not affected.
3. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: the shape of the blower (10) is annular, the blower is fixed on the circular protection cover (11), the air outlet direction is 20-80 degrees downwards, the angle can be freely adjusted in the range, the left and right sides are respectively provided with a curved transmission device (2), fine sand is conveyed to the air outlet of the blower (10), the right blower (10) is normally open, the left blower (10) can control a switch, when the left blower (10) is closed, the right blower (10) is normally open, the unidirectional wind sand scene can be simulated, when the left blower (10) is opened, the non-unidirectional wind sand scene can be simulated when the right blower (10) is normally open.
4. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: the speeds of the rotating disc (1), the curved transmission device (2) and the blower (10) are cooperatively operated in proper proportion and are connected with the control box (14), and the change of the fine sand conveying speed can be realized through the control box (14), so that the simulation of different sand blowing intensities is finally realized.
5. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: a fixed parallel bearing plate (4) is arranged at a certain height from the rotary disc (1), a test pavement (6) can be placed on the fixed parallel bearing plate, the simulated wheels (8) act on the test pavement (6), and the wheels (8) roll back and forth on the test pavement (6) through a transmission shaft (7) at two ends of a transmission device (9), so that the simulated road vehicle running process is realized.
6. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: the transmission device (9) is connected with the control box (14), and the rolling speed of the wheels (8) can be controlled through the control box (14), so that the simulation of different speeds of the vehicle can be realized.
7. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: the four-end fixing rods (13) are respectively provided with a group of pressurizing devices (12) which can synchronously apply pressure to the transmission device (9), and the pressure is finally transmitted to the test pavement (6) to simulate the load of the vehicle.
8. The pavement performance test device capable of simulating environment and load according to claim 1, wherein: the bearing plate (4) is provided with a group of pressure sensors (5) which can cooperate with the controllable pressurizing device (12) and the control box (14) to simulate different vehicle loads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219017.7U CN220367104U (en) | 2023-05-19 | 2023-05-19 | Pavement performance test device capable of simulating environment and load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321219017.7U CN220367104U (en) | 2023-05-19 | 2023-05-19 | Pavement performance test device capable of simulating environment and load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220367104U true CN220367104U (en) | 2024-01-19 |
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ID=89520475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321219017.7U Active CN220367104U (en) | 2023-05-19 | 2023-05-19 | Pavement performance test device capable of simulating environment and load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220367104U (en) |
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2023
- 2023-05-19 CN CN202321219017.7U patent/CN220367104U/en active Active
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