CN217466563U - Road maintenance seal abrasion test device capable of simulating vibration rolling behavior of tire - Google Patents
Road maintenance seal abrasion test device capable of simulating vibration rolling behavior of tire Download PDFInfo
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- CN217466563U CN217466563U CN202221225501.6U CN202221225501U CN217466563U CN 217466563 U CN217466563 U CN 217466563U CN 202221225501 U CN202221225501 U CN 202221225501U CN 217466563 U CN217466563 U CN 217466563U
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Abstract
The utility model discloses a can simulate tire vibration and roll road maintenance seal wearing and tearing test device of action, including vibration plummer, tire wearing and tearing appearance and control system, its characterized in that: the vibration bearing platform comprises sample fixed station, support, spring damper, vibration control platform, support base and heel brace, the bottom four corners of sample fixed station is connected with the support, the bottom of support all is connected with spring damper. The utility model discloses improved wearing and tearing head shape and the mode of action among the current wearing and tearing test method, can simulate the tire and to the vibration wearing and tearing effect on road maintenance seal surface, the ability of wearing and tearing of objective reflection road maintenance seal to the sample of adoption is bituminous mixture rut board (coating road maintenance seal), reducible true road surface structure ensures that test piece remains stable in the testing process, has improved the detection precision and the reliability of the ability of wearing and tearing of road maintenance seal, has made useful replenishment to current standard.
Description
Technical Field
The utility model relates to a survey technical field of road maintenance material specifically is a road maintenance seal wearing and tearing test device that can simulate tire vibration and roll action.
Background
The road maintenance seal can be used for repairing road surface diseases and prolonging service life, and the wear resistance of the road maintenance seal needs to be focused in the design and operation stages. In the existing specification JTG/T5142-01-2021 and JTG 5142-2019, a sweeper abrasion tester is used to evaluate the aggregate spalling resistance of road maintenance seals (such as gravel seals and slurry seals). The specific test method comprises the following steps: the road maintenance seal is formed on the felt wafer, then the sample tray is fixed on a lifting platform of a sweeper abrasion instrument, the abrasion head does circumferential sweeping motion, the quality loss of the road maintenance seal is measured after the abrasion head rotates for 300s, and the abrasion quality loss rate is calculated. However, the test method cannot objectively and truly reflect the abrasion resistance of the road maintenance seal, and has the following defects:
(1) in a test, the wearing head only does circular motion on the same horizontal plane, the surface of the road maintenance seal layer only receives transverse friction acting force, the road maintenance seal layer is prone to aggregate when being vibrated or braked by an automobile tire, and the existing test method cannot accurately simulate the vibration wearing action on the surface of the gravel seal layer;
(2) in the existing test procedure, asphalt is sprayed and a material is collected on a felt wafer in a layered mode to form a road maintenance seal test piece, and due to the fact that the thickness of the test piece is limited, the felt is prone to being excessively worn, the test piece is not firmly fixed and deviates, and the like, and the test result is prone to having large deviation.
Therefore, it is necessary to develop a road maintenance seal wear test device capable of simulating the vibration rolling behavior of tires to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a road maintenance seal wearing and tearing test device of behavior is rolled in the vibration of simulation tire to solve the problem that above-mentioned background art exists.
In order to achieve the above object, the utility model provides a following technical scheme: a road maintenance seal abrasion test device capable of simulating the vibration rolling behavior of a tire comprises a vibration bearing platform, a tire abrasion instrument and a control system,
the vibration bearing platform consists of a sample fixing platform, supports, spring dampers, a vibration control platform, a support base and foot supports, wherein the supports are connected to four corners of the bottom end of the sample fixing platform, the spring dampers are connected to the bottoms of the supports, the vibration control platform is connected to the bottoms of the spring dampers, the bottom of the vibration control platform is fixed to four corners of the top of the support base, and the foot supports are connected to four corners of the bottom of the support base;
the tire abrasion meter comprises a tire, a connecting rod, an electric sliding block, a rubber buffer pad, a sliding rod and a rack cross brace, wherein the front end and the rear end of the inner side of the rack cross brace are connected with the sliding rod, the rack cross brace and one end of the sliding rod are fixedly connected with control system hardware, the inner ring of the electric sliding block is connected with the sliding rod through a ball bearing, the sliding speed is adjusted by a control system, the rubber buffer pad is arranged at two ends of the electric sliding block, the bottom of the outer wall of the electric sliding block is connected with the arc-shaped connecting rod, and one end of the connecting rod is connected with the tire through a bearing;
control system comprises control box, display screen, manipulating key, on & off switch, speedtransmitter, frequency sensor, control panel, power, control system is including the control box that supports through the heel brace, display screen, manipulating key, on & off switch are installed by preceding then in proper order to one side inclined plane of control box, control panel is installed to the preceding terminal surface of control box, the inside of control box is provided with speedtransmitter, frequency sensor, power.
Preferably, one end of the vibration control table is connected with the control system through a transmission line.
Preferably, the sample fixing table and the supporting base form an up-and-down vibration structure through a spring damper.
Preferably, vertical upward hydraulic rods are installed at two ends of the center of the top of the supporting base, and the telescopic ends of the hydraulic rods penetrate through the supporting plate connected to the inner support of the sample fixing table.
Preferably, the tire is as wide as the inner side of the sample fixing table, and the tire forms a movable structure through an electric slide block and a slide rod.
Preferably, the rack cross brace and the sliding rod are both fixedly installed at the top of one side of the control box, and the sliding speed is adjusted by the control system.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model improves the shape and the action mode of the abrasion head in the existing abrasion test method, can simulate the vibration abrasion action of the tire on the surface of the road maintenance seal, objectively reflect the abrasion resistance of the road maintenance seal, and adopts the asphalt mixture rut plate (coating the road maintenance seal), can restore the real road surface structure, ensures that the test piece keeps stable in the test process, improves the detection precision and the reliability of the abrasion resistance of the road maintenance seal, and makes beneficial supplement to the existing standard;
2. the utility model discloses start test device, the spring damper is vibration from top to bottom according to the assigned frequency, reciprocating motion is according to assigned speed to electronic slider, the sample bears vibration wearing and tearing effect, after waiting to reach the wearing and tearing number of times of setting for, the device bring to rest, close the on & off switch, take off the sample from the sample fixed station, weigh once more and record data, sample weight difference through calculating wearing and tearing front and back obtains the wearing and tearing loss rate, can reflect the wear-resisting ability of road maintenance seal under the vibration rolling condition of setting for.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic diagram of the composition principle of the middle control box of the present invention.
In the figure: 1. a sample fixing table; 2. a support; 3. a spring damper; 4. a vibration console; 5. a support base; 6. a foot support; 7. a tire; 8. a connecting rod; 9. an electric slider; 10. a rubber cushion pad; 11. a slide bar; 12. a rack cross brace; 13. a control box; 14. a display screen; 15. an operation key; 16. an on-off key; 17. a speed sensor; 18. a frequency sensor; 19. a control panel; 20. a power source; 21. a transmission line; 22. a hydraulic lever; 23. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1-4, a road maintenance seal wear test device capable of simulating the vibration rolling behavior of tires comprises a vibration bearing platform, a tire wear meter and a control system,
the vibration bearing platform consists of a sample fixing platform 1, supports 2, spring dampers 3, a vibration control platform 4, a support base 5 and foot supports 6, wherein the supports 2 are connected to four corners of the bottom end of the sample fixing platform 1, the spring dampers 3 are connected to the bottoms of the supports 2, the vibration control platform 4 is connected to the bottoms of the spring dampers 3, the bottom of the vibration control platform 4 is fixed to four corners of the top of the support base 5, and the foot supports 6 are connected to four corners of the bottom of the support base 5;
the tire abrasion instrument comprises a tire 7, a connecting rod 8, an electric slider 9, a rubber buffer pad 10, a sliding rod 11 and a rack cross brace 12, wherein the front end and the rear end of the inner side of the rack cross brace 12 are connected with the sliding rod 11, the rack cross brace 12 and one end of the sliding rod 11 are fixedly connected with control system hardware, the inner ring of the electric slider 9 is connected with the sliding rod 11 through a ball bearing, the sliding speed is adjusted by the control system, the rubber buffer pads 10 are arranged at the two ends of the electric slider 9, the bottom of the outer wall of the electric slider 9 is connected with an arc-shaped connecting rod 8, and one end of the connecting rod 8 is connected with the tire 7 through a bearing;
the control system comprises a control box 13, a display screen 14, an operation key 15, an on-off key 16, a speed sensor 17, a frequency sensor 18, a control panel 19 and a power supply 20, the control system comprises the control box 13 supported by a foot support 6, the display screen 14, the operation key 15 and the on-off key 16 are sequentially arranged on the inclined plane of one side of the control box 13 from front to back, the control panel 19 is arranged on the front end face of the control box 13, and the speed sensor 17, the frequency sensor 18 and the power supply 20 are arranged in the control box 13.
Preparation before the test: coating road maintenance material maintenance seal material on the surface of an asphalt rut plate sample, weighing the weight of the sample after the material is completely cured, then putting the sample into the sample fixing table 1, adjusting the electric slide block 9 to the initial position, enabling the surface of the tire 7 to be in close contact with the surface of the sample, connecting a power supply 20, and supplying power to a control system.
Vibration abrasion test process: pressing the on-off key 16, enabling the display screen 14 to be in a working state, displaying vibration abrasion test parameters in real time, resetting original data through the operation key 15, setting test parameters such as abrasion times, vibration frequency and sliding speed, starting the test device, enabling the spring damper 3 to vibrate up and down according to specified frequency, enabling the electric slider 9 to reciprocate according to specified speed, enabling the sample to bear vibration abrasion action, stopping the device after the set abrasion times are reached, closing the on-off key 16, taking down the sample from the sample fixing table 1, weighing again and recording data, obtaining abrasion loss rate by calculating a sample weight difference value before and after abrasion, and reflecting the abrasion resistance of the road maintenance seal under the set vibration rolling condition; the apparatus was then cleaned and the test was completed.
As shown in fig. 1-4, one end of the vibration console 4 is connected to the control system through a connection transmission line 21, and one end of the vibration console 4 is connected to the control system through a connection transmission line 21, so that the vibration frequency of the vibration console 4 can be sensed by the frequency sensor 18.
As shown in fig. 1-4, the sample fixing table 1 and the supporting base 5 form an up-and-down vibration structure through the spring damper 3, and the vibration frequency of the automobile in the running process can be simulated in various conditions through the arranged spring damper 3.
As shown in fig. 1-4, the hydraulic rods 22 are installed at two ends of the top center of the supporting base 5, the telescopic ends of the hydraulic rods 22 penetrate through the sample fixing table 1 to be connected with the supporting plate 23, and the supporting plate 23 can be controlled to move up and down in the sample fixing table 1 through the arranged hydraulic rods 22, so that raw materials of an asphalt rutting plate sample can be reduced, and loss of the asphalt rutting plate sample is reduced.
As shown in fig. 1 to 4, the tire 7 has the same width as the inner side of the sample fixing table 1, the tire 7 forms a movable structure through an electric slider 9 and a sliding rod 11, the tire 7 has the same width as the sample, is easy to assemble and disassemble, can select different tread patterns, and can reciprocate through the electric slider 9.
As shown in fig. 1-4, the gantry cross brace 12 and the sliding rod 11 are both fixedly installed at the top of one side of the control box 13, the sliding speed is adjusted by the control system, and the sliding speed of the electric sliding block 9 is adjusted by the control system.
The first embodiment is as follows:
referring to fig. 1-4, the groove size of the sample fixing platform 1 is 300mm x 50mm, a standard asphalt rut plate sample coated with a road maintenance seal material can be placed, the surface of the sample is in direct contact with the tire 7, the tire 7 and the sample have the same width and are easy to assemble and disassemble, different tread patterns can be selected, the tire 7 performs reciprocating abrasion movement in the test process, the vibration frequency range of the spring damper 3 is 0-20Hz, the vibration frequency in the automobile running process under various conditions can be simulated, the control panel 19 can be used for receiving an input instruction of the operation key 15 and outputting corresponding sliding speed and vibration frequency to the electric slider 9 and the vibration control platform 4, the display screen 14 can display setting parameters and test conditions in real time, the power supply is realized by the power supply 20, and the on-off key 16 can control the on-off state of the power supply 20.
The working principle is as follows: preparation before the test: coating a road maintenance material maintenance seal material on the surface of an asphalt rut plate sample, weighing the weight of the sample after the material is completely cured, then placing the sample into the sample fixing table 1, adjusting the electric slide block 9 to an initial position to enable the surface of the tire 7 to be in close contact with the surface of the sample, connecting a power supply 20, and supplying power to a control system; vibration abrasion test process: pressing the switch key 16, enabling the display screen 14 to be in a working state, displaying vibration abrasion test parameters in real time, clearing original data through the operation key 15, setting test parameters such as abrasion times, vibration frequency and sliding speed, starting the test device, enabling the spring damper 3 to vibrate up and down according to specified frequency, enabling the electric slider 9 to reciprocate according to specified speed, enabling the sample to bear vibration abrasion action, stopping the device after the set abrasion times are reached, closing the switch key 16, taking down the sample from the sample fixing table 1, weighing again and recording data, obtaining abrasion loss rate by calculating a sample weight difference value before and after abrasion, reflecting the abrasion resistance of the road maintenance seal under the set vibration rolling condition, cleaning the device, and finishing the test.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a road maintenance seal wearing and tearing test device that can simulate tire vibration and roll action, includes vibration plummer, tire wearing and tearing appearance and control system, its characterized in that:
the vibration bearing platform is composed of a sample fixing platform (1), supports (2), spring dampers (3), a vibration control platform (4), a support base (5) and foot supports (6), the supports (2) are connected to four corners of the bottom end of the sample fixing platform (1), the spring dampers (3) are connected to the bottoms of the supports (2), the vibration control platform (4) is connected to the bottoms of the spring dampers (3), the bottom of the vibration control platform (4) is fixed to four corners of the top of the support base (5), and the foot supports (6) are connected to four corners of the bottom of the support base (5);
the tire abrasion meter is composed of a tire (7), a connecting rod (8), an electric sliding block (9), rubber buffer cushions (10), sliding rods (11) and a rack cross brace (12), the front end and the rear end of the inner side of the rack cross brace (12) are connected with the sliding rods (11), one ends of the rack cross brace (12) and the sliding rods (11) are fixedly connected with control system hardware, the inner ring of the electric sliding block (9) is connected with the sliding rods (11) through ball bearings, the sliding speed is adjusted through the control system, the rubber buffer cushions (10) are arranged at two ends of the electric sliding block (9), the bottom of the outer wall of the electric sliding block (9) is connected with the arc-shaped connecting rod (8), and one end of the connecting rod (8) is connected with the tire (7) through a bearing;
control system comprises control box (13), display screen (14), operating key (15), on & off switch (16), speedtransmitter (17), frequency sensor (18), control panel (19), power (20), control system is including control box (13) through heel brace (6) support, display screen (14), operating key (15), on & off switch (16) are installed by preceding then in proper order to one side inclined plane of control box (13), control panel (19) are installed to the preceding terminal surface of control box (13), the inside of control box (13) is provided with speedtransmitter (17), frequency sensor (18), power (20).
2. The road maintenance seal abrasion test device capable of simulating the vibration rolling behavior of the tire as claimed in claim 1, wherein: one end of the vibration control table (4) is connected with a control system through a transmission line (21).
3. The road maintenance seal abrasion test device capable of simulating the vibration rolling behavior of the tire as claimed in claim 1, wherein: the sample fixing table (1) and the supporting base (5) form an up-and-down vibration structure through the spring damper (3).
4. The road maintenance seal abrasion test device capable of simulating the vibration rolling behavior of the tire as claimed in claim 1, wherein: the test sample fixing platform is characterized in that vertical and upward hydraulic rods (22) are installed at two ends of the center of the top of the supporting base (5), and supporting plates (23) are connected to the telescopic ends of the hydraulic rods (22) through the inner support of the test sample fixing platform (1).
5. The road maintenance seal abrasion test device capable of simulating the vibration rolling behavior of the tire as claimed in claim 1, wherein: the tire (7) and the inner side of the sample fixing table (1) are the same in width, and the tire (7) and the sliding rod (11) form a movable structure through an electric sliding block (9).
6. The road maintenance seal abrasion test device capable of simulating tire vibration rolling behavior according to claim 1, characterized in that: the rack cross arm (12) and the sliding rod (11) are both fixedly installed at the top of one side of the control box (13), and the sliding speed is adjusted by the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225501.6U CN217466563U (en) | 2022-05-19 | 2022-05-19 | Road maintenance seal abrasion test device capable of simulating vibration rolling behavior of tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225501.6U CN217466563U (en) | 2022-05-19 | 2022-05-19 | Road maintenance seal abrasion test device capable of simulating vibration rolling behavior of tire |
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| Publication Number | Publication Date |
|---|---|
| CN217466563U true CN217466563U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221225501.6U Active CN217466563U (en) | 2022-05-19 | 2022-05-19 | Road maintenance seal abrasion test device capable of simulating vibration rolling behavior of tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466563U (en) |
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2022
- 2022-05-19 CN CN202221225501.6U patent/CN217466563U/en active Active
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