CN211347794U - Tram walking surface coating performance test equipment - Google Patents

Tram walking surface coating performance test equipment Download PDF

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Publication number
CN211347794U
CN211347794U CN201921863694.6U CN201921863694U CN211347794U CN 211347794 U CN211347794 U CN 211347794U CN 201921863694 U CN201921863694 U CN 201921863694U CN 211347794 U CN211347794 U CN 211347794U
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China
Prior art keywords
loading
wheel
rotating tray
tram
angular velocity
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CN201921863694.6U
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Chinese (zh)
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黄飞安
李彦
赵成
张晓恒
杨磊
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BYD Co Ltd
Jining BYD Industrial Co Ltd
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BYD Co Ltd
Jining BYD Industrial Co Ltd
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Abstract

The utility model discloses a tram walks capable coating layer capability test equipment, tram walks capable coating layer capability test equipment and includes: a base: the rotary tray is rotatably arranged on the base; the coating sample plate is arranged on the rotating tray and is provided with a test plane; the loading device is arranged on the base; the wheel is arranged on the loading device, and the loading device applies force to the wheel to adjust the pressure of the wheel on the test plane; the driving device drives the rotating tray to rotate; the pressure detection system detects the force applied by the loading device and the pressure of the wheel pair on the test plane; an angular velocity detection system that detects an angular velocity of the wheel and an angular velocity of the rotating tray. According to the utility model discloses tram walks capable coating layer capability test equipment of walking can improve coating sample plate's coating quality, test condition and accord with operating condition more, can improve the accuracy of test result.

Description

Tram walking surface coating performance test equipment
Technical Field
The utility model belongs to the technical field of the tram test and specifically relates to a tram walks capable coating performance test equipment that walks.
Background
The coating abrasion resistance test is to calculate the rotation times of the coating rail surface through the pressure value of the unit area of the train running rail surface and the speed setting of the running of the vehicle equipment, and convert the rotation times into the abrasion condition of the coating during the running of the train in each hour. In the coating abrasion resistance test apparatus 1 ' of the related art, as shown in fig. 1, the coating sample 300 ' is disposed on the outer surface of the cylinder 310 ', so that the construction of the anti-slip layer is difficult and the quality is difficult to be ensured. The cylinder 310 'has a small radius, is in line contact with the wheel 500', has a small contact area, and cannot simulate the tire deformation and the contact surface between the tire and the anti-skid layer during the running of the vehicle.
In addition, the wheel 500 ' mainly depends on the friction force between the wheel and the sample to drive the sample to rotate, so that only rolling friction can be formed between the wheel 500 ' and the coating sample 300 ', and the static friction and sliding friction conditions during the running of the vehicle, the conditions during the running of the vehicle in rainy days and the slip rate of the vehicle cannot be completely simulated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a tram walks capable coating performance test equipment, this tram walks capable coating performance test equipment of line and can improve coating quality, the test condition of coating sample board and accord with operating condition more to can improve the accuracy of test result.
In order to realize above-mentioned purpose, according to the utility model provides a tram walks capable coating performance test equipment, tram walks capable coating performance test equipment and includes: a base: the rotary tray is rotatably arranged on the base; the coating sample plate is arranged on the rotating tray and rotates along with the rotating tray, and the coating sample plate is provided with a test plane; the loading device is arranged on the base; a wheel mounted to the loading device, the loading device applying a loading force to the wheel to adjust the pressure of the wheel against the test plane; the driving device is connected with the rotating tray to drive the rotating tray to rotate; a pressure detection system that detects a loading force applied by the loading device and a pressure of the wheel against the test plane; an angular velocity detection system that detects an angular velocity of the wheel and an angular velocity of the rotating tray.
According to the utility model discloses tram walks capable coating layer capability test equipment sets up to platelike, test plane through with coating sample board to set up to the plane, compares and sets up the coating sample at the surface of drum in the correlation technique, and the degree of difficulty that sets up the coating on the plane is lower, and the quality is better.
And the wheel and the test plane form surface contact, so that the tire deformation and the tire contact with a running surface can be better simulated when the vehicle runs, rolling friction can be formed between the wheel and the test plane due to the surface contact, and the static friction and sliding friction conditions when the vehicle runs can be simulated, so that the running condition of the vehicle can be more truly simulated, the accuracy of the test result is improved, namely, the calculated sliding coefficient meets the actual working condition, and the wear resistance of the coating and the replacement frequency of the tire of the vehicle are tested.
According to the utility model discloses tram walks capable coating layer capability test equipment of line can improve coating sample plate's coating quality, test condition and accord with operating condition more to can improve the accuracy of test result.
In addition, according to the utility model discloses tram walks capable top coating capability test equipment can also have following technical characterstic:
according to some implementations of the present invention, the loading device includes: a loading bracket mounted to the base; a loading screw in threaded engagement with the loading bracket; the sliding assembly is mounted on the loading support in a vertically movable mode, the wheels and the driving device are mounted on the sliding assembly, and the loading screw presses the sliding assembly downwards through rotation.
Further, the sliding assembly includes: the loading support is provided with a mandrel, the mandrel is sleeved with the sleeve in a vertically movable manner, and the loading screw is rotated to downwards abut against the sleeve; the supporting beam is provided with a fixing block, the fixing block is in threaded fit with the sleeve and moves up and down along with the sleeve, and the wheels and the driving device are mounted on the supporting beam.
Further, the sliding assembly further comprises: the loading screw rod presses the sliding block downwards to press the sleeve through rotation; the pressure detection system comprises a loading pressure sensor, wherein the loading pressure sensor is arranged on the upper surface of the sliding block and positioned between the sliding block and the loading screw rod and is used for detecting the loading force of the loading screw rod on the sliding block.
Further, the loading stand comprises: a column mounted to the base; the upper cross beam is arranged on the upright post, and the loading screw is in threaded fit with the upper cross beam; the lower beam is arranged on the upright post and located below the upper beam, and the mandrel and the limiting rod are arranged between the upper beam and the lower beam.
According to some implementations of the present invention, the drive device includes: a transmission mounted to the support beam; the motor is installed on the transmission and connected with the rotating tray through the transmission to drive the rotating tray to rotate.
Further, the angular velocity detection system includes: the wheel angular velocity sensor is arranged on a wheel shaft of the wheel and used for detecting the angular velocity of the wheel; and the tray angular velocity sensor is arranged on a connecting shaft of the transmission and the rotating tray and used for detecting the angular velocity of the rotating tray.
According to some embodiments of the present invention, the base is provided with a plurality of rotatable ground rollers, a plurality of the rollers are followed the circumferential interval of the rotating tray is set up, the rotating tray is supported a plurality of on the rollers.
According to some implementations of the present disclosure, the coated sample plate extends a full circumference along a circumferential direction of the rotating tray; or the coating sample plates are arranged along the circumferential direction of the rotating tray for the whole circumference.
According to some implementations of the present invention, the pressure detection system includes a load pressure sensor, the load pressure sensor is provided between the rotary tray and the coating sample plate for detecting the wheel pair the pressure of the test plane.
Drawings
The above advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a tramcar running surface coating performance testing device in the prior art.
Fig. 2 is a schematic structural diagram of tram walking top coating performance test equipment according to the embodiment of the utility model discloses.
Fig. 3 is a schematic structural diagram of a base and a loading device of the tram running surface coating performance testing equipment according to the embodiment of the invention.
Fig. 4 is a schematic structural diagram of a driving device of the tram running surface coating performance testing equipment according to the embodiment of the invention.
Fig. 5 is a schematic structural diagram of a rotating tray of the tram running surface coating performance testing equipment according to the embodiment of the invention.
Reference numerals:
a tramcar running surface coating performance testing device 1,
A base 100, a roller 110,
A rotary tray 200,
A coated sample plate 300, a test plane 310,
The loading device 400, the loading bracket 410, the mandrel 411, the limiting rod 412, the upright 413, the upper cross beam 414, the lower cross beam 415, the loading screw 420, the sliding assembly 430, the sleeve 431, the supporting beam 432, the fixing block 433, the sliding block 434, the wheel 500, the lower cross beam, the upper cross beam, the lower cross beam, the loading screw 420, the sliding assembly 430, the sleeve,
A drive device 600, a transmission 610, a motor 620,
A load pressure sensor 700,
Angular velocity detection system 800, wheel angular velocity sensor 810, and tray angular velocity sensor 820.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "vertical," "horizontal," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship shown in the drawings, merely for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the description of the present invention, "a plurality" means two or more, and "a plurality" means one or more.
The following describes tram walking surface coating performance test equipment 1 according to an embodiment of the invention with reference to the drawings.
As shown in fig. 2 to 5, the tram running surface coating performance testing equipment 1 comprises a base 100, a rotating tray 200, a coating sample plate 300, a loading device 400, wheels 500, a driving device 600, a pressure detection system and an angular speed detection system 800.
The rotating tray 200 is rotatably provided to the base 100. The coated sample plate 300 is provided on the rotating tray 200 and rotates with the rotating tray 200, and the coated sample plate 300 has a test plane 310, wherein the coating may be an anti-skid layer on a running surface of a tram. The loading device 400 is disposed on the base 100. The wheel 500 is mounted on the loading device 400, the tire sleeved on the wheel 500 may be a rubber tire, the wheel 500 may be provided with a tire pressure monitoring system therein, it is ensured that the tire pressure state of the tire is consistent with the actual running state of the vehicle, and the loading device 400 applies a loading force to the wheel 500 to adjust the pressure of the wheel 500 on the test plane 310. The driving device 600 is connected to the rotating tray 200 to drive the rotating tray 200 to rotate. The pressure detection system detects the loading force applied by the loading device 400 and the pressure of the wheel 500 against the test plane 310. The angular velocity detection system 800 detects the angular velocity of the wheel 500 and the angular velocity of the rotating tray 200.
After the rotary tray 200 is driven by the driving device 600, the wheel 500 is pressed on the test plane 310 of the coating sample plate 300 under the action of the loading force, so that the wheel 500 is driven to rotate, the driving condition of the tramcar is simulated, the related test result is calculated according to the collection of related data, the specific basic data collection and calculation mode is known by those skilled in the art, and the more important mode in the embodiment of the present invention will be described later.
According to the utility model discloses tram walks capable coating performance test equipment 1 sets up to platelike, test plane 310 through setting up coating sample board 300 into the plane, compares and sets up coating sample 300 'at drum 310's surface among the correlation technique, and the degree of difficulty that sets up the coating on the plane is lower, and the quality is better.
Moreover, the wheel 500 and the test plane 310 form surface contact, so that the tire deformation and the tire contact with a running surface during the running of the vehicle can be better simulated, and due to the surface contact, rolling friction can be formed between the wheel 500 and the test plane 310, and the static friction and sliding friction during the running of the vehicle can be simulated, so that the running condition of the vehicle can be more truly simulated, the accuracy of a test result is improved, namely, the calculated sliding coefficient meets the actual working condition, and the wear resistance of a coating and the replacement frequency of the tire of the vehicle are tested.
Compared with the coating wear-resisting test equipment 1' in the related technology, the contact area, the loading pressure and the tire pressure of the wheel 500 and the coating sample plate 300 of the tram running surface coating performance test equipment 1 can simulate the actual working condition of the running vehicle.
It will be understood by those skilled in the art that the coated test panel 300 may be used not only for skid resistant test specimens, but also for composite test specimens to test the wear characteristics between the wheel 500 and the composite. Of course, the coated sample may be otherwise modified as desired for the test object.
According to the utility model discloses tram walks capable coating layer capability test equipment 1 can improve coating sample plate's coating quality, test condition and accord with operating condition more to can improve the accuracy of test result.
According to some embodiments of the present invention, as shown in fig. 2-3, the loading device 400 includes a loading bracket 410, a loading screw 420, and a sliding assembly 430.
The loading bracket 410 is mounted to the base 100. The load screw 420 is threadably engaged to the load bracket 410. The sliding assembly 430 is mounted to the loading bracket 410 to be movable up and down, the wheel 500 and the driving device 600 are mounted to the sliding assembly 430, and the loading screw 420 presses down against the sliding assembly 430 by being rotated.
Specifically, when the loading screw 420 is rotated, the loading screw 420 is in threaded engagement with the loading bracket 410, so that the loading screw 420 is displaced in the vertical direction, and the loading force applied to the sliding assembly 430 is adjusted, for example, when the loading screw 420 rotates and moves downward, the loading screw 420 presses the sliding assembly 430 downward, the sliding assembly 430 moves downward, and the wheel 500 is driven to move downward, so that the pressure of the wheel 500 on the test plane 310 is increased. If the loading force is reduced, the loading screw 420 is rotated in the reverse direction.
The pressure of the wheel 500 against the coated sample plate 300 can thus be adjusted by the loading screw 420 to simulate the actual pressure of the wheel 500 against the coated sample plate 300 during driving conditions.
Further, as shown in fig. 2-3, the sliding assembly 430 includes a sleeve 431 and a support beam 432.
The loading bracket 410 is provided with a spindle 411 extending in the up-down direction, a sleeve 431 is sleeved on the spindle 411 in a vertically movable manner, and the loading screw 420 is rotated to press the sleeve 431 downwards. The support beam 432 is provided with a fixing block 433, the fixing block 433 is screwed to the sleeve 431 and moves up and down along with the sleeve 431, and the wheel 500 and the driving device 600 are mounted on the support beam 432.
When the loading screw 420 rotates and moves downwards, the sleeve 431 is pushed to move downwards along the mandrel 411, so as to drive the fixed block 433 and the supporting beam 432 connected with the sleeve 431 to move downwards, and further drive the wheel 500 to downwards press against the testing plane 310. The spindle 411 provides a sliding guide rail for the sleeve 431, the support beam 432 provides a positioning and supporting for the wheel 500 and the driving device 600, and the fixing block 433 is located close to the wheel 500, so that the self-rotation of the wheel 500 is not interfered, and the loading force of the loading screw 420 is mainly applied to the wheel 500, thereby further reducing the power consumption.
Further, as shown in fig. 2-3, the sliding assembly 430 further includes a slider 434.
The loading bracket 410 is provided with a limit rod 412, the sliding block 434 is movably fitted to the core shaft 411 and the limit rod 412 up and down, the sliding block 434 is located above the sleeve 431 and supported by the sleeve 431, and the loading screw 420 rotates to press the sliding block 434 downwards to press the sleeve 431.
Specifically, the pressure detection system includes a loading pressure sensor (not shown), wherein the loading pressure sensor may be a two-stage pressure sensor, and the loading pressure sensor is disposed on the upper surface of the slider 434 and between the slider 434 and the loading screw 420 for detecting the loading force of the loading screw 420 on the slider 434.
Thus, the loading screw 420 pushes the sleeve 431 by pushing the slider 434, the slider 434 is set to bear the load provided by the loading pressure sensor, and when the loading screw 420 pushes the slider 434, the loading pressure sensor can accurately detect the current loading force, so as to control the magnitude of the applied loading force, so as to simulate the tire pressure of the tire and the loading pressure of the load of the vehicle on the wheel in the actual vehicle operation. In addition, compared with the method of disposing the loading pressure sensor at the bottom of the sliding assembly 430, since the bottom vibration is large, the loading pressure sensor is fixed above by using the slider 434, so that the interference of other factors such as vibration can be reduced, and the accuracy of detecting the loading force can be improved.
Further, as shown in fig. 2-3, the loading bracket 410 includes a column 413, an upper beam 414, and a lower beam 415.
The pillar 413 extends in the vertical direction and is attached to the base 100. The upper cross member 414 extends in a horizontal direction and is mounted to the column 413, and the loading screw 420 is screw-fitted to the upper cross member 414. The lower beam 415 extends in the horizontal direction and is mounted on the upright 413, the lower beam 415 is located below the upper beam 414, and the spindle 411 and the stopper 412 are disposed between the upper beam 414 and the lower beam 415. In this manner, the loading bracket 410 is structurally stable, and the loading screw 420 is positioned above the upper cross beam 414, so as to facilitate adjustment of the loading force of the loading screw 420.
Specifically, the number of the columns 413 may be four, the number of the upper beams 414 and the number of the lower beams 415 are two, one pair of the upper beams 414 and the lower beams 415 are disposed on two columns 413, the other pair of the upper beams 414 and the lower beams 415 are disposed on the other two columns 413, and the two upper beams 414 may be connected by a connecting beam extending in a horizontal direction, so that the loading bracket 410 forms a substantially square structure. In order to simulate the driving condition of the vehicle more truly, the wheels 500 are provided in two and are respectively mounted at two ends of the supporting beam 432, and the two ends of the supporting beam 432 are respectively provided with the above-mentioned supporting structures such as the fixing block 433, the sleeve 431, the mandrel 411, the slider 434, the loading pressure sensor, the limiting rod 412, and the like.
More specifically, for the matching structure at each end of the supporting beam 432, the number of the mandrels 411 may be two and located at two sides of the supporting beam 432, respectively, each mandrel 411 is provided with a sleeve 431, and correspondingly, two sides of the end of the supporting beam 432 are provided with fixing blocks 433 matched with the two sleeves 431, respectively. The number of the limiting rods 412 may be two, and the two limiting rods are respectively located at two sides of the two mandrels 411, the number of the sliding blocks 434 may be one, and the sliding blocks 434 are penetrated by the two mandrels 411 and the two limiting rods 412 and are supported on the two sleeves 431. Two loading screws 420 may be disposed on the upper beam 414 of the sliding block 434, and the two loading screws 420 uniformly apply loading force to the sliding block 434.
Therefore, the running working condition of the tramcar can be simulated more truly so as to further improve the accuracy of the test result, and the overall structure and the motion of the tramcar running surface coating performance test equipment 1 are more stable.
According to some embodiments of the present invention, as shown in fig. 2 and 4, the driving device 600 includes a transmission 610 and a motor 620. The transmission 610 is mounted to the support beam 432. The motor 620 is installed at the transmission 610, and the motor 620 is connected to the rotary tray 200 through the transmission 610 to drive the rotary tray 200 to rotate.
Specifically, the motor 620 drives the transmission 610, the angular velocity and the corresponding torque force output by the transmission 610 are controlled by the computer, and the transmission 610 outputs the torque to the rotating tray 200 to drive the rotating tray 200 to rotate. Therefore, the tramcar running surface coating performance testing equipment 1 can realize the programming control according to the actual working condition of the car and automatically run in corresponding time. In addition, the transmission 610 can simulate the running speed of the vehicle under different working conditions, control the rotating tray 200 to rotate at different angular speeds, and test the replacement cycle of the vehicle tire under different working conditions.
In addition, the wheel 500 is in contact with the test plane 310, the loading device 400 applies an adjustable loading force to the wheel 500, so that the abrasion condition of the anti-skid layer of the wheel 500 under the load condition of the vehicle can be completely simulated, the displacement of the wheel 500 under the normal running and braking conditions of the vehicle on sunny days and rainy days (which can be simulated by sprinkling water on the test plane 310) can be simulated by means of the motor 620 and the transmission 610, the running condition of the tire and the anti-skid layer accords with the static friction, rolling friction and sliding friction conditions in the running process, the sliding coefficient is calculated to accord with the actual working condition, and the abrasion resistance of the anti-skid layer and the replacement frequency of the tire of the vehicle are tested.
Further, as shown in fig. 2 and 4, the angular velocity detection system 800 includes a wheel angular velocity sensor 810 and a tray angular velocity sensor 820. The wheel angular velocity sensors 810 are provided on the axles of the wheels 500 for detecting the angular velocities of the wheels 500, wherein each wheel 500 is provided with a corresponding wheel angular velocity sensor 810. The tray angular velocity sensor 820 is provided on a connecting shaft of the transmission 610 and the rotating tray 200, for the angular velocity of the rotating tray 200.
Specifically, when the rotating tray 200 rotates, the wheels 500 are driven to rotate around the shafts by the frictional force between the rotating tray and the wheels 500. The angular velocity of the wheel 500 can be collected by the wheel angular velocity sensor 810, the angular velocity of the tray rotation 200 can be collected by the tray angular velocity sensor 820, and according to the data collection, the corresponding linear velocity and the ratio of the traveling distance of the wheel 500 to the rotation distance of the rotation tray 200 are calculated, so as to calculate the slip ratio of the wheel 500.
According to some embodiments of the present invention, as shown in fig. 2 and 3, the base 100 is provided with a plurality of rotatable ground rollers 110, the plurality of rollers 110 are disposed along a circumferential interval of the rotating tray 200, and the rotating tray 200 is supported on the plurality of rollers 110.
For example, the rollers 110 may be disposed at the outer circumference of the rotating tray 200 at equal intervals, and the bearings of the rollers 110 are arranged in the radial direction of the rotating tray 200. Therefore, the roller 110 not only can make the circumferential rotation of the rotating tray 200 smoother, but also can support the outer circumference of the rotating tray 200, thereby ensuring the stability of the rotating tray 200 during rotation and pressure bearing.
According to some embodiments of the present invention, as shown in fig. 2 and 5, the coating sample plate 300 extends along the circumferential direction of the rotary tray 200 for a whole circumference, or the coating sample plates 300 are plural, and the plural coating sample plates 300 are arranged along the circumferential direction of the rotary tray 200 for a whole circumference.
For example, the coating sample plate 300 may be an integral ring, or a plurality of coating sample plates 300 may be combined into a ring, which may have the same outer diameter as the rotating tray 200.
Thus, a plurality of (e.g., eight) different coated sample plates 300 can be placed on the rotary tray 200 at the same time for testing, so as to obtain the wear comparison of the different coated sample plates 300 under the same condition and compare the wear resistance of the different coated sample plates 300.
According to some embodiments of the present invention, as shown in fig. 2 and 5, the pressure detecting system further includes a load pressure sensor 700, and the load pressure sensor 700 is disposed between the rotary tray 200 and the coating sample plate 300 for detecting the pressure of the wheel 500 on the test plane 310. In the running process of the tramcar running surface coating performance testing equipment 1, the load pressure sensor 700 can monitor the pressure of the wheel 500 on the coating sample plate 300 so as to ensure that the pressure is consistent with the pressure of the wheel on the track under the actual running working condition of the tramcar.
According to the utility model discloses tram walks capable coating layer capability test equipment 1, can simulate the wearing and tearing condition of vehicle tyre skid resistant course under the load condition of vehicle completely to rely on derailleur 610 to simulate out the wheel displacement of vehicle under the normal driving and the brake situation of fine day, rainy day, calculate the coefficient of slip, and experimental wearability and the vehicle tyre of skid resistant course change frequency. The defects of insufficient contact area, insufficient loading pressure and incomplete simulation of the comprehensive working condition of the travelling crane in the prior art can be overcome. And tram walking surface coating performance test equipment 1 can once only be once only tested the skid resistant course of multiple difference simultaneously, can draw the wearing and tearing contrast of different skid resistant courses under same condition, compares the wear resistance of different skid resistant courses.
In the description herein, references to the description of the terms "particular embodiment," "particular example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a tram walks capable coating performance test equipment of line which characterized in that includes:
a base:
the rotary tray is rotatably arranged on the base;
the coating sample plate is arranged on the rotating tray and rotates along with the rotating tray, and the coating sample plate is provided with a test plane;
the loading device is arranged on the base;
a wheel mounted to the loading device, the loading device applying a loading force to the wheel to adjust the pressure of the wheel against the test plane;
the driving device is connected with the rotating tray to drive the rotating tray to rotate;
a pressure detection system that detects a loading force applied by the loading device and a pressure of the wheel against the test plane;
an angular velocity detection system that detects an angular velocity of the wheel and an angular velocity of the rotating tray.
2. The tram running top coating performance testing equipment of claim 1, wherein the loading device comprises:
a loading bracket mounted to the base;
a loading screw in threaded engagement with the loading bracket;
the sliding assembly is mounted on the loading support in a vertically movable mode, the wheels and the driving device are mounted on the sliding assembly, and the loading screw presses the sliding assembly downwards through rotation.
3. The tram running top coating performance testing apparatus of claim 2, wherein the sliding assembly comprises:
the loading support is provided with a mandrel, the mandrel is sleeved with the sleeve in a vertically movable manner, and the loading screw is rotated to downwards abut against the sleeve;
the supporting beam is provided with a fixing block, the fixing block is in threaded fit with the sleeve and moves up and down along with the sleeve, and the wheels and the driving device are mounted on the supporting beam.
4. The tram running top coating performance testing apparatus of claim 3, wherein the sliding assembly further comprises:
the loading screw rod presses the sliding block downwards to press the sleeve through rotation;
the pressure detection system comprises a loading pressure sensor, wherein the loading pressure sensor is arranged on the upper surface of the sliding block and positioned between the sliding block and the loading screw rod and is used for detecting the loading force of the loading screw rod on the sliding block.
5. The tram running top coating performance testing apparatus of claim 4, wherein the loading stand comprises:
a column mounted to the base;
the upper cross beam is arranged on the upright post, and the loading screw is in threaded fit with the upper cross beam;
the lower beam is arranged on the upright post and located below the upper beam, and the mandrel and the limiting rod are arranged between the upper beam and the lower beam.
6. The tram running top coating performance testing apparatus of claim 3, wherein the drive means comprises:
a derailleur mounted to the support beam;
the motor is installed on the transmission and connected with the rotating tray through the transmission to drive the rotating tray to rotate.
7. The tram running top coating performance testing apparatus of claim 6, wherein the angular velocity detection system comprises:
the wheel angular velocity sensor is arranged on a wheel shaft of the wheel and used for detecting the angular velocity of the wheel;
and the tray angular velocity sensor is arranged on a connecting shaft of the transmission and the rotating tray and used for detecting the angular velocity of the rotating tray.
8. The tram running surface coating performance testing apparatus of any one of claims 1-7, wherein the base is provided with a plurality of rotatable ground rollers, the plurality of ground rollers being spaced circumferentially along the rotating tray, the rotating tray being supported on the plurality of ground rollers.
9. The tram running top coating performance testing apparatus of any one of claims 1-7, wherein the coating coupon plate extends a full circumference along a circumference of the rotating tray; or the coating sample plates are arranged along the circumferential direction of the rotating tray for the whole circumference.
10. The tram running surface coating performance testing apparatus of any one of claims 1-7, wherein the pressure detection system comprises a load pressure sensor disposed between the rotating tray and the coating coupon plate for detecting the pressure of the wheel against the test plane.
CN201921863694.6U 2019-10-31 2019-10-31 Tram walking surface coating performance test equipment Active CN211347794U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112129559A (en) * 2020-09-30 2020-12-25 重庆百信实业有限公司 Rail transit rubber tyer system simulation detection device
CN112129929A (en) * 2020-09-30 2020-12-25 重庆百信实业有限公司 Method for detecting comprehensive performance of track coating
CN116296746A (en) * 2023-03-13 2023-06-23 宁波市新铭建设工程测试有限公司 High-durability pre-stress concrete performance rapid detection method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112129559A (en) * 2020-09-30 2020-12-25 重庆百信实业有限公司 Rail transit rubber tyer system simulation detection device
CN112129929A (en) * 2020-09-30 2020-12-25 重庆百信实业有限公司 Method for detecting comprehensive performance of track coating
CN112129559B (en) * 2020-09-30 2022-07-29 重庆百信实业有限公司 Rail transit rubber wheel system simulation detection device
CN112129929B (en) * 2020-09-30 2022-11-15 重庆百信实业有限公司 Method for detecting comprehensive performance of track coating
CN116296746A (en) * 2023-03-13 2023-06-23 宁波市新铭建设工程测试有限公司 High-durability pre-stress concrete performance rapid detection method
CN116296746B (en) * 2023-03-13 2023-11-14 宁波市新铭建设工程测试有限公司 High-durability pre-stress concrete performance rapid detection method

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