CN212903908U - Road surface simulation detection machine - Google Patents
Road surface simulation detection machine Download PDFInfo
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- CN212903908U CN212903908U CN202021026095.1U CN202021026095U CN212903908U CN 212903908 U CN212903908 U CN 212903908U CN 202021026095 U CN202021026095 U CN 202021026095U CN 212903908 U CN212903908 U CN 212903908U
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- 238000004088 simulation Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims description 8
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 230000035558 fertility Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000006247 magnetic powder Substances 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
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Abstract
A road surface simulation detector comprises a road surface simulator used for simulating the running state of wheels of a warehouse logistics vehicle, an auxiliary torque driving device used for conveying torque to the road surface simulator, a speed measuring device used for measuring the rotating speed of the road surface simulator and a controller used for controlling the whole test device to run, wherein the road surface simulator, the auxiliary torque driving device and the speed measuring device are all arranged on an installation surface or lifting equipment at the same horizontal height; the torque input end and the torque output end of the road surface simulator are respectively connected with the auxiliary torque driving device and the speed measuring device; and signal connection ports of the road surface simulator, the auxiliary torque driving device and the speed measuring device are respectively and electrically connected with corresponding signal connection ports of the controller. The beneficial effects of the utility model reside in that: can simulate different road surface conditions, including whether rainy, the road surface material of difference can be more accurate measure the wheel that awaits measuring real land fertility of grabbing under the different condition.
Description
Technical Field
The utility model relates to a road surface simulation detects machine.
Background
With the great development of intelligent logistics, the application of warehouse logistics vehicles is more and more extensive, the same requirements for the warehouse logistics vehicles are higher and higher, and goods need to be sent from a warehouse to a workshop and often need to pass through different pavements. However, the existing road surface simulation equipment cannot simulate the condition of a real road surface, and causes difficulty for subsequent research.
Disclosure of Invention
In order to solve the problem, the utility model provides a can simulate real road surface, easy operation's road surface simulation and detect machine.
A road surface simulation detects machine, its characterized in that: the system comprises a road surface simulator for simulating the running state of wheels of a warehouse logistics vehicle, an auxiliary torque driving device for conveying torque to the road surface simulator, a speed measuring device for measuring the rotating speed of the road surface simulator and a controller for controlling the whole test device to run, wherein the road surface simulator, the auxiliary torque driving device and the speed measuring device are all arranged on an installation surface or lifting equipment at the same horizontal height; the torque input end and the torque output end of the road surface simulator are respectively connected with the auxiliary torque driving device and the speed measuring device; the signal connection ports of the road surface simulator, the auxiliary torque driving device and the speed measuring device are respectively and electrically connected with the corresponding signal connection ports of the controller;
the road surface simulator comprises a rotating wheel component for simulating a road surface and two sets of transmission shaft components for transmitting torque, wherein the rolling surface of the rotating wheel component is used as a simulated road surface and is used for being supported at the bottom of wheels of the warehouse logistics vehicle to simulate the driving state of the warehouse logistics vehicle on the road surface, and two shaft ends of the rotating wheel component are respectively connected with the auxiliary torque driving device and the speed measuring device through the two sets of transmission shaft components, so that the power of the auxiliary torque driving device is sequentially transmitted to the rotating wheel component and then transmitted to the speed measuring device through the rotating wheel component;
the auxiliary torque driving device is arranged at one end of the road surface simulator and comprises a torque output device and a torque output device supporting seat, wherein the torque output device is arranged on an installation surface or lifting equipment through the torque output device supporting seat and keeps a central shaft of the torque output device coaxial with the road surface simulator; the torque output end of the torque output device is connected with the torque input end of the rotating wheel assembly through a transmission shaft assembly, and the signal input end of the torque output device is electrically connected with the corresponding signal output end of the controller and used for outputting set torque to the rotating wheel assembly;
the speed measuring device is arranged at the other end of the road surface simulator and comprises a speed sensor and a speed sensor supporting seat, the speed sensor is supported on the mounting surface or the lifting equipment through the speed sensor supporting seat, and a central shaft of the speed sensor is kept coaxial with the road surface simulator; the torque input end of the speed sensor is connected with the torque output end of the rotating wheel assembly through the transmission shaft assembly, the signal output end of the speed sensor is electrically connected with the corresponding signal input end of the controller and used for detecting the rotating speed of the rotating wheel assembly in real time and transmitting a detection signal to the controller for processing.
The rotating wheel assembly comprises a rotating wheel and a rotating wheel shaft, the rotating wheel is coaxially sleeved outside the rotating wheel shaft and fixedly connected with the rotating wheel shaft; the rotating wheel shaft is a square shaft; the transmission shaft assemblies are arranged on two sides of the rotating wheel respectively, and comprise a stepped shaft, a disc, a shaft sleeve, a support bearing seat and a support bearing, wherein the stepped shaft is a three-stage stepped shaft, the stepped shaft and the shaft sleeve are respectively arranged on two sides of the disc and are coaxial, the first stage of the stepped shaft is the largest diameter section, and the disc is coaxially and fixedly arranged at the end part of the stepped shaft; the third stage of the stepped shaft is a section with the smallest diameter, and the end part of the stepped shaft is connected with a torque output device or a rotating speed measuring device on the same side through a coupler; one end of the shaft sleeve is fixedly connected with the disc, and the other end of the shaft sleeve is provided with a square insertion hole for inserting a square shaft end of the rotating wheel shaft; the supporting bearing is sleeved outside the second-stage step of the stepped shaft and is arranged on the supporting bearing seat; the supporting bearing seat is arranged on the mounting surface through a support seat frame, and is coaxial with the torque output device and the rotating speed measuring device.
The rotating wheel and the rotating wheel shaft are integrally formed.
The shaft sleeve is a square sleeve.
The support with the speed sensor supporting seat be several style of calligraphy supports.
The road surface simulation detector further comprises a spraying device, the spraying device is arranged beside the road surface simulator and comprises a simulated rainwater spray head and a connecting pipe, the first end of the connecting pipe is communicated with an external water source pipeline, and the second end of the connecting pipe extends to the position of the roller assembly; the simulated rainwater sprayer is installed at the second end of the connecting pipe, and a water outlet of the simulated rainwater sprayer is aligned to the rolling surface of the rotating wheel assembly and used for simulating a wet road surface.
Utilize the utility model discloses the wheel of detecting certain decorative pattern of storage commodity circulation car grabs the concrete promotion of land fertility on humid pavement, and concrete step is as follows:
placing the storage logistics vehicle on a rotating wheel assembly, keeping the wheel to be detected in contact with the surface of the rotating wheel, and enabling the central shaft of the wheel to be detected and the central shaft of the rotating wheel to be positioned on the same vertical plane;
the rainwater spray head is opened, and water flow is sprayed on the surface of the rotating wheel to simulate the ground in rainy days;
adjusting the load of the storage logistics vehicle, and indirectly adjusting the positive pressure close contact of the wheel pair to be measured as a rotating wheel of the simulated road surface;
starting to rotate the wheel to be detected, and waiting for a period of time until the wheel to be detected rotates stably;
the torque output device generates a slowly-increased torque, the torque is transmitted to the rotating wheel through the coupler, and when the torque is continuously increased until the rotating speed of the rotating wheel is lower than that of the wheel to be detected, the tire starts to slip; when the torque is continuously increased to the point that the wheel to be tested can not enable the rotating wheel to rotate, the torque at the moment is the maximum gripping torque of the driving wheel on the water accumulation surface, and the torque is divided by the radius of the driving wheel, namely the maximum gripping force.
Utilize the utility model discloses detect the influence of decorative pattern on the storage car wheel to the drive wheel life-span, concrete step is as follows:
placing the storage logistics vehicle on a rotating wheel assembly, keeping the wheel to be detected in contact with the surface of the rotating wheel, and enabling the central shaft of the wheel to be detected and the central shaft of the rotating wheel to be positioned on the same vertical plane;
adjusting the load of the storage logistics vehicle, and indirectly adjusting the positive pressure close contact of the wheel pair to be measured as a rotating wheel of the simulated road surface;
starting to rotate the wheel to be detected, and waiting for a period of time to enable the wheel to be detected to stably rotate;
the torque output device generates a suitable torque T to simulate the friction between the ground and the wheel to be measured, with the unit N x m:
T＝G+M×g×f×r (1)；
wherein G is the dead weight of the vehicle and the unit is kg; m is rated load and the unit is kg; g is the acceleration of gravity with the unit of m/s 2; r is the radius of the driving wheel and is m; f is the rolling friction coefficient between the wheel and the roller material.
Running the wheel to be tested under the rated load for a preset period of time, stopping the wheel to be tested, and detecting the wear condition of the tire surface of the wheel to be tested;
and taking off the wheel to be tested with certain antiskid patterns, replacing the wheel with a smooth surface, carrying out abrasion test under the same condition for the same time, and comparing the abrasion conditions of the two tires.
The beneficial effects of the utility model reside in that:
the utility model can simulate different road conditions including whether it rains or not, and different road materials, and can more accurately measure the real road holding force of the wheel to be measured under different conditions;
the utility model discloses can inspect the effect of different anti-skidding decorative patterns. Inspecting the difference of the grip force generated by different anti-skid patterns;
the utility model can test the service life of the wheel, and can test whether the added antiskid patterns can aggravate the abrasion degree of the tire surface of the wheel to be tested;
the utility model discloses a speed sensor can detect out when the wheel that awaits measuring begins to skid.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the wheel assembly of the present invention.
Fig. 3 is a schematic structural view of the first set of transmission shaft assembly of the present invention.
Fig. 4 is a schematic structural diagram of the spraying device of the present invention.
Fig. 5 is a schematic structural diagram of the support of the present invention.
Fig. 6 is a schematic structural view of the speed sensor support seat of the present invention.
Fig. 7 is an overall configuration diagram of embodiment 3.
Fig. 8 is a structural view of the motor support frame of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
the road surface simulator 1 comprises a rotating wheel assembly 11 for simulating a road surface and two sets of transmission shaft assemblies 12 for transmitting torque, wherein the rolling surface of the rotating wheel assembly 11 is used as the simulated road surface and is used for being supported at the bottom of wheels of the warehouse logistics vehicle to simulate the driving state of the warehouse logistics vehicle on the road surface, and two shaft ends of the rotating wheel assembly are respectively connected with an auxiliary torque driving device and a speed measuring device through the two sets of transmission shaft assemblies, so that the power of the auxiliary torque driving device is sequentially transmitted to the rotating wheel assembly and then transmitted to the speed measuring device through the rotating wheel assembly;
the auxiliary torque driving device 2 is arranged at one end of the road surface simulator and comprises a torque output device 21 and a torque output device supporting seat 22, the torque output device is arranged on an installation surface or lifting equipment through the torque output device supporting seat, and the central shaft of the torque output device is kept coaxial with the road surface simulator; the torque output end of the torque output device is connected with the torque input end of the rotating wheel assembly through a transmission shaft assembly, and the signal input end of the torque output device is electrically connected with the corresponding signal output end of the controller and used for outputting set torque to the rotating wheel assembly;
the speed measuring device 3 is arranged at the other end of the road surface simulator and comprises a speed sensor 31 and a speed sensor supporting seat 32, the speed sensor is supported on the mounting surface or the lifting equipment through the speed sensor supporting seat, and a central shaft of the speed sensor is kept coaxial with the road surface simulator; the torque input end of the speed sensor is connected with the torque output end of the rotating wheel assembly through the transmission shaft assembly, the signal output end of the speed sensor is electrically connected with the corresponding signal input end of the controller and used for detecting the rotating speed of the rotating wheel assembly in real time and transmitting a detection signal to the controller for processing.
The rotating wheel assembly 11 comprises a rotating wheel 111 and a rotating wheel shaft 112, the rotating wheel is coaxially sleeved outside the rotating wheel shaft and fixedly connected with the rotating wheel shaft; the rotating wheel shaft is a square shaft; the transmission shaft assemblies 12 are two sets, are respectively arranged on two sides of the rotating wheel 111, and comprise a stepped shaft 121, a disk 122, a shaft sleeve 123, a support 124, a support bearing seat 125 and a support bearing 126, wherein the stepped shaft is a three-stage stepped shaft, the stepped shaft 121 and the shaft sleeve 123 are respectively arranged on two sides of the disk 122, the two are coaxial, a first-stage step 121A of the stepped shaft 121 is a section with the largest diameter, and the disk is coaxially and fixedly arranged at the end part of the first-stage step 121A; the third stage 121C of the stepped shaft is a section with the smallest diameter, and the end part of the stepped shaft is connected with a torque output device or a rotating speed measuring device on the same side through a coupler; one end of the shaft sleeve is fixedly connected with the disc, and the other end of the shaft sleeve is provided with a square insertion hole for inserting a square shaft end of the rotating wheel shaft; the supporting bearing is sleeved outside the second-stage step 121B of the stepped shaft and is arranged on the supporting bearing seat; the supporting bearing seat is arranged on the mounting surface through a support seat frame, and is coaxial with the torque output device and the rotating speed measuring device.
The support 124 and the speed sensor support base 32 are both in a shape of a Chinese character 'ji'.
the road surface simulator 1 comprises a rotating wheel assembly 11 for simulating a road surface and two sets of transmission shaft assemblies 12 for transmitting torque, wherein the rolling surface of the rotating wheel assembly is used as a simulated road surface and is used for being supported at the bottom of wheels of the warehouse logistics vehicle to simulate the driving state of the warehouse logistics vehicle on the road surface, and two shaft ends of the rotating wheel assembly are respectively connected with an auxiliary torque driving device and a speed measuring device through the two sets of transmission shaft assemblies, so that the power of the auxiliary torque driving device is sequentially transmitted to the rotating wheel assembly and then transmitted to the speed measuring device through the rotating wheel assembly;
the auxiliary torque driving device 2 is arranged at one end of the road surface simulator and comprises a torque output device and a torque output device supporting seat, the torque output device is arranged on an installation surface or lifting equipment through the torque output device supporting seat, and a central shaft of the torque output device is kept coaxial with the road surface simulator; the torque output end of the torque output device is connected with the torque input end of the rotating wheel assembly through a transmission shaft assembly, and the signal input end of the torque output device is electrically connected with the corresponding signal output end of the controller and used for outputting set torque to the rotating wheel assembly;
the speed measuring device 3 is arranged at the other end of the road surface simulator and comprises a speed sensor and a speed sensor supporting seat, the speed sensor is supported on the mounting surface or the lifting equipment through the speed sensor supporting seat, and a central shaft of the speed sensor is kept coaxial with the road surface simulator; the torque input end of the speed sensor is connected with the torque output end of the rotating wheel assembly through a transmission shaft assembly, and the signal output end of the speed sensor is electrically connected with the corresponding signal input end of the controller and is used for detecting the rotating speed of the rotating wheel assembly in real time and transmitting a detection signal to the controller for processing;
the spraying device 5 is arranged beside the road surface simulator and comprises a simulated rainwater spray head 51 and a connecting pipe 52, wherein the first end of the connecting pipe is communicated with an external water source pipeline, and the second end of the connecting pipe extends to the position of the roller assembly; the simulated rainwater sprayer is installed at the second end of the connecting pipe, and a water outlet of the simulated rainwater sprayer is aligned to the rolling surface of the rotating wheel assembly and used for simulating a wet road surface.
The rotating wheel assembly 11 comprises a rotating wheel and a rotating wheel shaft, the rotating wheel and the rotating wheel shaft are integrally formed, and the shaft sleeve is a square sleeve; the rotating wheel is coaxially sleeved outside the rotating wheel shaft and fixedly connected with the rotating wheel shaft; the rotating wheel shaft is a square shaft; the transmission shaft assemblies are arranged on two sides of the rotating wheel respectively, and comprise a stepped shaft, a disc, a shaft sleeve, a support bearing seat and a support bearing, wherein the stepped shaft is a three-stage stepped shaft, the stepped shaft and the shaft sleeve are respectively arranged on two sides of the disc and are coaxial, the first stage of the stepped shaft is the largest diameter section, and the disc is coaxially and fixedly arranged at the end part of the stepped shaft; the third stage of the stepped shaft is a section with the smallest diameter, and the end part of the stepped shaft is connected with a torque output device or a rotating speed measuring device on the same side through a coupler; one end of the shaft sleeve is fixedly connected with the disc, and the other end of the shaft sleeve is provided with a square insertion hole for inserting a square shaft end of the rotating wheel shaft; the supporting bearing is sleeved outside the second-stage step of the stepped shaft and is arranged on the supporting bearing seat; the supporting bearing seat is arranged on the mounting surface through a support seat frame, and is coaxial with the torque output device and the rotating speed measuring device.
The support with the speed sensor supporting seat be several style of calligraphy supports.
The rotating wheel shaft and the rotating wheel are integrally formed, the shaft ends of the rotating wheel shaft, which are positioned at two sides of the rotating wheel, are square and can be respectively nested with square jacks on the two sets of transmission shaft assemblies, the stepped shaft of the transmission shaft assemblies is fixed by adopting a support bearing, and the support bearing seats are respectively connected with corresponding support seats by adopting bolts; the torque output device is a magnetic powder brake, and the two stepped shafts are respectively connected with the magnetic powder brake and the rotating speed sensor through couplers, and the higher coaxiality of the two stepped shafts is ensured; the magnetic powder brake, the support and the speed sensor support are all fixed on the same plane; the magnetic powder brake, the support and the speed sensor support seat are all provided with four positioning mounting holes at the bottom, and are fixed in the same working plane through positioning bolts penetrating through the four positioning mounting holes.
The magnetic powder brake is characterized in that the axes of the output shaft, the coupler, the supporting bearing seat, the stepped shaft, the rotating wheel and the rotating speed sensor of the magnetic powder brake are positioned on the same straight line.
The material of the runner is selected according to the ground to be simulated (if the cement ground is formed by pouring cement); the two sets of stepped shafts have similar structures, and the main difference is that the shaft necks at the ends far away from the rotating wheel connecting grooves are different. The structure of the stepped shaft connected with the magnetic powder brake is briefly described as follows: the first step mainly plays a role in connection, and the stepped shaft is connected with an output shaft of the magnetic powder brake through a coupler; the second step is an inner shaft corresponding to the bearing; the third step is a positioning shaft shoulder; the disc mainly prevents water from splashing when the rainwater sprayer is opened; the sleeve is used for fixing the rotating wheel.
The rotating speed sensor is used for obtaining the rotating speed of the rotating wheel.
Example 3 this example differs from example 1 in that: the torque output device is a servo motor, and the two stepped shafts are respectively connected with the servo motor and the rotating speed sensor through couplers, and the higher coaxiality of the two stepped shafts is ensured.
Embodiment 4 utilizes the utility model discloses the wheel that detects certain decorative pattern of storage commodity circulation car grabs the concrete promotion of land fertility on humid pavement, concrete step is as follows:
placing the storage logistics vehicle on a rotating wheel assembly, keeping the wheel to be detected in contact with the surface of the rotating wheel, and enabling the central shaft of the wheel to be detected and the central shaft of the rotating wheel to be positioned on the same vertical plane;
the rainwater spray head is opened, and water flow is sprayed on the surface of the rotating wheel to simulate the ground in rainy days;
adjusting the load of the storage logistics vehicle, and indirectly adjusting the positive pressure close contact of the wheel pair to be measured as a rotating wheel of the simulated road surface;
starting to rotate the wheel to be detected, and waiting for a period of time until the wheel to be detected rotates stably;
the torque output device generates a slowly-increased torque, the torque is transmitted to the rotating wheel through the coupler, and when the torque is continuously increased until the rotating speed of the rotating wheel is lower than that of the wheel to be detected, the tire starts to slip; when the torque is continuously increased to the point that the wheel to be tested can not enable the rotating wheel to rotate, the torque at the moment is the maximum gripping torque of the driving wheel on the water accumulation surface, and the torque is divided by the radius of the driving wheel, namely the maximum gripping force.
placing the storage logistics vehicle on a rotating wheel assembly, keeping the wheel to be detected in contact with the surface of the rotating wheel, and enabling the central shaft of the wheel to be detected and the central shaft of the rotating wheel to be positioned on the same vertical plane;
adjusting the load of the storage logistics vehicle, and indirectly adjusting the positive pressure close contact of the wheel pair to be measured as a rotating wheel of the simulated road surface;
starting to rotate the wheel to be detected, and waiting for a period of time to enable the wheel to be detected to stably rotate;
the torque output device generates a suitable torque T to simulate the friction between the ground and the wheel to be measured, with the unit N x m:
T＝G+M×g×f×r (1)；
wherein G is the dead weight of the vehicle and the unit is kg; m is rated load and the unit is kg; g is the acceleration of gravity with the unit of m/s 2; r is the radius of the driving wheel and is m; f is the rolling friction coefficient between the wheel and the roller material.
Running the wheel to be tested under the rated load for a preset period of time, stopping the wheel to be tested, and detecting the wear condition of the tire surface of the wheel to be tested;
and taking off the wheel to be tested with certain antiskid patterns, replacing the wheel with a smooth surface, carrying out abrasion test under the same condition for the same time, and comparing the abrasion conditions of the two tires.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (6)
1. The utility model provides a road surface simulation detects machine which characterized in that: the system comprises a road surface simulator for simulating the running state of wheels of a warehouse logistics vehicle, an auxiliary torque driving device for conveying torque to the road surface simulator, a speed measuring device for measuring the rotating speed of the road surface simulator and a controller for controlling the whole test device to run, wherein the road surface simulator, the auxiliary torque driving device and the speed measuring device are all arranged on an installation surface or lifting equipment at the same horizontal height; the torque input end and the torque output end of the road surface simulator are respectively connected with the auxiliary torque driving device and the speed measuring device; the signal connection ports of the road surface simulator, the auxiliary torque driving device and the speed measuring device are respectively and electrically connected with the corresponding signal connection ports of the controller;
the road surface simulator comprises a rotating wheel component for simulating a road surface and two sets of transmission shaft components for transmitting torque, wherein the rolling surface of the rotating wheel component is used as a simulated road surface and is used for being supported at the bottom of wheels of the warehouse logistics vehicle to simulate the driving state of the warehouse logistics vehicle on the road surface, and two shaft ends of the rotating wheel component are respectively connected with the auxiliary torque driving device and the speed measuring device through the two sets of transmission shaft components, so that the power of the auxiliary torque driving device is sequentially transmitted to the rotating wheel component and then transmitted to the speed measuring device through the rotating wheel component;
the auxiliary torque driving device is arranged at one end of the road surface simulator and comprises a torque output device and a torque output device supporting seat, wherein the torque output device is arranged on an installation surface or lifting equipment through the torque output device supporting seat and keeps a central shaft of the torque output device coaxial with the road surface simulator; the torque output end of the torque output device is connected with the torque input end of the rotating wheel assembly through a transmission shaft assembly, and the signal input end of the torque output device is electrically connected with the corresponding signal output end of the controller and used for outputting set torque to the rotating wheel assembly;
the speed measuring device is arranged at the other end of the road surface simulator and comprises a speed sensor and a speed sensor supporting seat, the speed sensor is supported on the mounting surface or the lifting equipment through the speed sensor supporting seat, and a central shaft of the speed sensor is kept coaxial with the road surface simulator; the torque input end of the speed sensor is connected with the torque output end of the rotating wheel assembly through the transmission shaft assembly, the signal output end of the speed sensor is electrically connected with the corresponding signal input end of the controller and used for detecting the rotating speed of the rotating wheel assembly in real time and transmitting a detection signal to the controller for processing.
2. The road surface simulation detector of claim 1, wherein: the rotating wheel assembly comprises a rotating wheel and a rotating wheel shaft, the rotating wheel is coaxially sleeved outside the rotating wheel shaft and fixedly connected with the rotating wheel shaft; the rotating wheel shaft is a square shaft; the transmission shaft assemblies are arranged on two sides of the rotating wheel respectively, and comprise a stepped shaft, a disc, a shaft sleeve, a support bearing seat and a support bearing, wherein the stepped shaft is a three-stage stepped shaft, the stepped shaft and the shaft sleeve are respectively arranged on two sides of the disc and are coaxial, the first stage of the stepped shaft is the largest diameter section, and the disc is coaxially and fixedly arranged at the end part of the stepped shaft; the third stage of the stepped shaft is a section with the smallest diameter, and the end part of the stepped shaft is connected with a torque output device or a rotating speed measuring device on the same side through a coupler; one end of the shaft sleeve is fixedly connected with the disc, and the other end of the shaft sleeve is provided with a square insertion hole for inserting a square shaft end of the rotating wheel shaft; the supporting bearing is sleeved outside the second-stage step of the stepped shaft and is arranged on the supporting bearing seat; the supporting bearing seat is arranged on the mounting surface through a support seat frame, and is coaxial with the torque output device and the rotating speed measuring device.
3. A road surface simulation testing machine as defined in claim 2, characterized in that: the rotating wheel and the rotating wheel shaft are integrally formed.
4. A road surface simulation testing machine as defined in claim 3, characterized in that: the shaft sleeve is a square sleeve.
5. The road surface simulation detector of claim 4, wherein: the support with the speed sensor supporting seat be several style of calligraphy supports.
6. The road surface simulation detector of claim 1, wherein: the road surface simulator comprises a road surface simulator, and is characterized by also comprising a spraying device, wherein the spraying device is arranged beside the road surface simulator and comprises a simulated rainwater spray head and a connecting pipe, the first end of the connecting pipe is communicated with an external water source pipeline, and the second end of the connecting pipe extends to the position of the roller assembly; the simulated rainwater sprayer is installed at the second end of the connecting pipe, and a water outlet of the simulated rainwater sprayer is aligned to the rolling surface of the rotating wheel assembly and used for simulating a wet road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026095.1U CN212903908U (en) | 2020-06-05 | 2020-06-05 | Road surface simulation detection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026095.1U CN212903908U (en) | 2020-06-05 | 2020-06-05 | Road surface simulation detection machine |
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| Publication Number | Publication Date |
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| CN212903908U true CN212903908U (en) | 2021-04-06 |
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| CN202021026095.1U Expired - Fee Related CN212903908U (en) | 2020-06-05 | 2020-06-05 | Road surface simulation detection machine |
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| CN (1) | CN212903908U (en) |
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2020
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