CN211576910U - Multifunctional asphalt pavement skid resistance detection equipment - Google Patents
Multifunctional asphalt pavement skid resistance detection equipment Download PDFInfo
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- CN211576910U CN211576910U CN201922125273.XU CN201922125273U CN211576910U CN 211576910 U CN211576910 U CN 211576910U CN 201922125273 U CN201922125273 U CN 201922125273U CN 211576910 U CN211576910 U CN 211576910U
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- asphalt pavement
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- skid resistance
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Abstract
The utility model relates to the technical field of highway detection equipment, in particular to multifunctional asphalt pavement anti-skid property detection equipment, a movable frame capable of moving longitudinally is arranged in a shell in a matching way, the multifunctional asphalt pavement anti-skid property detection equipment also comprises an adjusting screw rod, the adjusting screw rod is connected with the shell in a threaded way, the lower end of the adjusting screw rod is rotatablely connected with the movable frame, a tension meter is arranged on the shell, a detection terminal at the lower end of the tension meter is connected with the movable frame, a transmission shaft is horizontally rotatablely arranged in the movable frame, a plectrum is fixedly arranged on the side surface of the transmission shaft, a contact inductor is fixedly connected with the movable frame and can be contacted with the contact inductor, a motor is arranged in the movable frame, a driving shaft is fixedly connected with a power output end of the motor, a roller is coaxially arranged on the transmission shaft, a rubber tire is sleeved on the periphery of the roller, the, the detected data is closer to the actual situation.
Description
Technical Field
The utility model relates to a highway check out test set technical field especially relates to a multi-functional bituminous paving skid resistance performance check out test set.
Background
The skid resistance of the road refers to the strength of the road surface for preventing the vehicle from generating the sliding capacity under the specific weather condition; the friction force is the magnitude of the friction force generated by the sliding of the road surface and the vehicle tire; the performance of the road surface skid resistance is determined by many aspects, such as the maintenance level of the road, the construction process level, the selection of building materials, the design of the road surface and the like. The asphalt is a common pavement, so that the anti-skid performance of the asphalt pavement has important detection significance; considering from the aspect of driving safety, the method is of great safety significance for researching and analyzing the anti-skid performance of the asphalt pavement, implementing effective anti-skid technology and measures and periodically detecting the anti-skid performance of the pavement. When the existing anti-skid detection device is used for detecting the asphalt pavement, the asphalt pavement is mostly in a dry state, the detected anti-skid property is only the anti-skid property under the dry environment of the asphalt pavement, the anti-skid property detection of the asphalt pavement under the rainy weather condition is difficult, the working condition during rain needs to be simulated, water needs to be manually sprayed, and the detection steps are complicated; simultaneously, water sprays, and water can inhomogeneous adhesion on bituminous paving, leads to water and detection device's contact degree inhomogeneous, increase detection error that can be very big.
In order to solve the technical problem, the Chinese utility model patent with patent number ZL201721704497.0 discloses an asphalt pavement anti-skid performance detection device, which comprises a shell, wherein the lower end of the shell is open, and is characterized by also comprising a detection mechanism, the detection mechanism comprises a rotating shaft, a motor, a contact sensor, a shifting sheet, a vertically installed water inlet pipe and a plurality of rollers, a water storage tank is arranged in the shell, the water inlet pipe is vertically installed in the shell, the lower end of the water inlet pipe is communicated with the water storage tank, a plurality of water outlet holes communicated with the water storage tank are arranged on the inner wall of the shell, the rotating shaft is horizontally and rotatably installed in the shell, the shifting sheet is fixedly installed on the side surface of the rotating shaft, the contact sensor is fixedly connected with the inner wall of the shell, the shifting sheet can be contacted with the contact sensor, one end of the rotating, the rollers are coaxially arranged on the rotating shaft. The patent scheme can be used for carrying out skid resistance detection on the asphalt pavement in a dry state and a wet state.
However, in the practical application process of the above detection device, the sliding conditions of vehicles with different weights on the asphalt pavement are not considered to be different, that is, the detection device cannot detect the skid resistance of the asphalt pavement specifically according to the classification of the vehicles with different weights.
SUMMERY OF THE UTILITY MODEL
The utility model discloses make further improvement on the basis of above-mentioned prior art prior patent, disclose a multi-functional bituminous paving skid resistance performance check out test set, be favorable to carrying out the skid resistance of categorised detection bituminous paving to the vehicle of different weight, let the data that detect be close actual conditions more.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a multi-functional bituminous paving skid resistance performance check out test set, includes the casing, the lower extreme of casing is uncovered, still includes detection mechanism, detection mechanism includes driving shaft, transmission shaft, motor, contact inductor, plectrum, the inlet tube and a plurality of gyro wheel of vertical installation, the movable frame that can vertically move about is installed to the cooperation in the casing, still includes the adjusting screw who sets up perpendicularly, and adjusting screw threaded connection lies in the casing and the lower extreme rotatably connects on the movable frame, install the tensiometer on the casing, the detection terminal of tensiometer lower extreme is connected in the movable frame, be equipped with the storage water tank in the movable frame, the inlet tube passes the casing and switches on the storage water tank, is equipped with a plurality of apopores that communicate with the storage water tank on the inner wall of movable frame, the transmission shaft horizontal rotation is installed in the movable frame, plectrum fixed, contact inductor fixed connection is on the adjustable shelf, and the plectrum can contact with contact inductor, the motor is installed in the adjustable shelf, the power take off end fixed connection of driving shaft and motor, gyro wheel coaxial arrangement is on the transmission shaft, the rubber tire has been cup jointed to the gyro wheel periphery, the end that corresponds between driving shaft and the transmission shaft is provided with driven first driving tooth and the second driving tooth of ability intermeshing respectively.
Because the movable frame capable of moving longitudinally is arranged in the shell in a matching way, the adjusting screw rod is connected to the shell in a threaded way, and the lower end of the adjusting screw rod is rotatably connected to the movable frame, the lifting of the movable frame can be adjusted by rotating the adjusting screw rod on the shell; because the transmission shaft is horizontally and rotatably arranged in the movable frame, the rollers are coaxially arranged on the transmission shaft, and the rubber tires are sleeved on the peripheries of the rollers, downward pressure can be applied to the rubber tires on the peripheries of the transmission shaft and the rollers while the movable frame is controlled to descend by controlling the adjusting screw, and the rubber tires can press the asphalt ground surface more tightly after receiving the pressure, so that the weight of a vehicle can be simulated. Simultaneously because the detection terminal of tensiometer lower extreme is connected in the adjustable shelf, consequently at the in-process of adjusting the adjustable shelf decline, can stimulate the detection terminal of tensiometer lower extreme simultaneously to can measure the adjustable shelf through the tensiometer and exert the pressure value to the rubber tire, be equivalent to measuring the weight numerical value of simulation vehicle, can be according to a plurality of different weight numerical values of predetermineeing in the actual measurement, the bituminous paving skid resistance data under the specific weight of difference again, let the data that detect more be close to actual conditions.
Therefore the utility model relates to a multi-functional bituminous paving cling compound performance check out test set can be favorable to carrying out the cling compound nature of categorised detection bituminous paving to the vehicle of different weight, lets the data that detect be close actual conditions more.
Further, the relative both sides wall is provided with longitudinal extension's guide rail respectively in the casing, the left and right sides of adjustable shelf is provided with the pulley, pulley movable fit installs in the guide rail. Therefore, the movable frame can be conveniently lifted and lowered longitudinally along the guide rail in the shell.
Further, a mounting groove is formed in the lower side of the top plate of the movable frame, a gasket is rotatably installed in the mounting groove in a matched mode, and the lower end of the adjusting screw penetrates through the movable frame and is fixedly connected with the gasket. Because the gasket of adjusting screw rod lower extreme can rotate with the inner wall of mounting groove relatively in the mounting groove, consequently be convenient for adjusting screw rod at the adjustable shelf internal rotation to drive the adjustable shelf lift.
Further, two opposite sides of the shell are respectively provided with a fixing screw, and the fixing screws can be inserted into the ground from the upper part of the shell. Therefore, the shell can be fixed on the asphalt pavement, and the shell is prevented from deviating in the detection process.
The utility model has the advantages that:
because the movable frame capable of moving longitudinally is arranged in the shell in a matching way, the adjusting screw rod is connected to the shell in a threaded way, and the lower end of the adjusting screw rod is rotatably connected to the movable frame, the lifting of the movable frame can be adjusted by rotating the adjusting screw rod on the shell; because the transmission shaft is horizontally and rotatably arranged in the movable frame, the rollers are coaxially arranged on the transmission shaft, and the rubber tires are sleeved on the peripheries of the rollers, downward pressure can be applied to the rubber tires on the peripheries of the transmission shaft and the rollers while the movable frame is controlled to descend by controlling the adjusting screw, and the rubber tires can press the asphalt ground surface more tightly after receiving the pressure, so that the weight of a vehicle can be simulated. Simultaneously because the detection terminal of tensiometer lower extreme is connected in the adjustable shelf, consequently at the in-process of adjusting the adjustable shelf decline, can stimulate the detection terminal of tensiometer lower extreme simultaneously to can measure the adjustable shelf through the tensiometer and exert the pressure value to the rubber tire, be equivalent to measuring the weight numerical value of simulation vehicle, can be according to a plurality of different weight numerical values of predetermineeing in the actual measurement, the bituminous paving skid resistance data under the specific weight of difference again, let the data that detect more be close to actual conditions.
Therefore the utility model relates to a multi-functional bituminous paving cling compound performance check out test set can be favorable to carrying out the cling compound nature of categorised detection bituminous paving to the vehicle of different weight, lets the data that detect be close actual conditions more.
Drawings
Fig. 1 is a schematic sectional view of the overall structure of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and schematic or simplified schematic drawings only, not for the purpose of limiting the same, and not for the purpose of limiting the same; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if terms such as "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, it will be apparent to those of ordinary skill in the art that the specific meanings of the above terms may be understood according to particular circumstances.
As shown in fig. 1, a multifunctional asphalt pavement anti-skid performance detection device comprises a housing 10, the lower end of the housing 10 is open, and a detection mechanism, the detection mechanism comprises a driving shaft 401, a transmission shaft 402, a motor 202, a contact sensor 203, a dial 204, a vertically installed water inlet pipe 205 and two rollers 206, a movable frame 300 capable of moving longitudinally is installed in the housing 10 in a matching manner, the detection mechanism further comprises a vertically installed adjusting screw 301, the adjusting screw 301 is in threaded connection with the housing 10 and the lower end of the adjusting screw is rotatably connected to the movable frame 300, a tension meter 302 is installed on the housing 10, a detection terminal at the lower end of the tension meter 302 is connected to the movable frame 300, a water storage tank 102 is arranged in the movable frame 300, the water inlet pipe 205 penetrates through the housing 10 and is communicated with the water storage tank 102, a plurality of water outlet holes 103 communicated with the water storage tank 102 are arranged on the, plectrum 204 fixed mounting is on the side of transmission shaft 402, and contact inductor 203 fixed connection is on adjustable shelf 300, and plectrum 204 can contact with contact inductor 203, and motor 202 installs in adjustable shelf 300, and driving shaft 401 and motor 202's power take off end fixed connection, gyro wheel 206 coaxial arrangement has rubber tire 2061 in transmission shaft 402, the gyro wheel 206 periphery has been cup jointed, the end that corresponds between driving shaft 401 and the transmission shaft 402 is provided with ability driven first driving tooth 500 of intermeshing and second driving tooth 600 respectively.
Since the housing 10 is internally provided with the movable frame 300 capable of moving longitudinally, the adjusting screw 301 is connected to the housing 10 in a threaded manner, and the lower end of the adjusting screw 301 is rotatably connected to the movable frame 300, the lifting of the movable frame 300 can be adjusted by rotating the adjusting screw 301 on the housing 10; because the transmission shaft 402 is horizontally and rotatably arranged in the movable frame 300, the roller 206 is coaxially arranged on the transmission shaft 402, and the rubber tire 2061 is sleeved on the periphery of the roller 206, the adjustment screw 301 is controlled to control the movable frame 300 to descend, downward pressure can be applied to the transmission shaft 402 and the rubber tire 2061 on the periphery of the roller 206, and the rubber tire 2061 can be pressed on an asphalt road surface more tightly after being pressed, so that the weight of a vehicle can be simulated. Meanwhile, since the detection terminal at the lower end of the tension meter 302 is connected to the movable frame 300, in the process of adjusting the descending of the movable frame 300, the detection terminal at the lower end of the tension meter 302 can be pulled at the same time, so that the pressure value applied to the rubber tire 2061 by the movable frame 300 can be measured through the tension meter 302, which is equivalent to the measurement of the weight value of the simulated vehicle, and the asphalt pavement skid resistance data under specific weight can be respectively detected according to a plurality of preset different weight values in actual measurement, so that the detected data is closer to the actual situation.
In operation, the first step of this embodiment is to place the housing 10 on the asphalt surface to be tested for skid resistance with the open mouth of the housing 10 facing the asphalt surface, with the roller 206 in contact with the asphalt surface.
The second step is to preset the weight of the vehicle to be measured in advance, and simulate the vehicle with the weight, and the specific steps are that the electric screwdriver rotates the screw head at the top of the shell 10 to adjust the rotation of the adjusting screw 301, the movable frame 300 is controlled to descend, meanwhile, downward pressure is applied to the rubber tire 2061 at the periphery of the roller 206, the rubber tire 2061 can be pressed tightly on the asphalt pavement after being pressed, the weight of the vehicle is simulated, and the pressure value is measured through the nearby tension meter 302, so that the weight of the simulated vehicle can be preset in advance.
The third step is to start the motor 202, the motor 202 drives the driving shaft 401 to rotate, at the moment, the first transmission gear 500 is meshed with the second transmission gear 600, the driving shaft 401 drives the transmission shaft 402 to rotate, the rotating transmission shaft 402 drives the roller 206 to rotate, and the rotating roller 206 is in contact with the asphalt pavement; when the rotation of the roller 206 reaches the required initial speed V, the motor 202 is moved transversely along the sliding rail to separate the first transmission gear 500 from the second transmission gear 600, so that the driving shaft 401 is separated from the transmission shaft 402, the transmission shaft 402 drives the roller 206 to continue rotating, and the contact frequency of the contact sensor 203 and the plectrum 204 starts to be recorded; when the roller 206 stops rotating, the time period required from the speed V to 0 is recorded, and then the skid resistance of the asphalt pavement is obtained according to the relevant calculation.
When the skid resistance test of the wet asphalt pavement is needed, before the motor 202 is started, water is introduced into the water inlet pipe 205, the water can sequentially pass through the water storage tank 102 and the water outlet holes 103 to be sprayed on the asphalt pavement, then the motor 202 is started, a series of data are measured, and the skid resistance of the wet asphalt pavement is obtained.
Similarly, when the weight of another vehicle needs to be simulated and the anti-skid detection of the asphalt pavement is performed, the adjusting screw 301 can be adjusted to rotate by the electric screwdriver according to the steps, the movable frame 300 is controlled to apply downward pressure to the rubber tire 2061 on the periphery of the roller 206, the weight of the vehicle is simulated, and the pressure value is measured by the nearby tension meter 302, so that the anti-skid data of the asphalt pavement can be respectively detected according to a plurality of preset different weight values in actual measurement, and the detected data is closer to the actual situation.
As a further supplement and improvement to this embodiment, as shown in fig. 1, two opposite side walls in the housing 10 are respectively provided with a longitudinally extending guide rail 304, the left and right sides of the movable frame 300 are provided with pulleys 305, and the pulleys 305 are movably fitted in the guide rails 304. It is possible to facilitate the longitudinal movement of the movable frame 300 within the housing 10.
As a further supplement and improvement to this embodiment, as shown in fig. 1, a mounting groove 306 is provided on the lower side of the top plate of the movable frame 300, a gasket 307 is rotatably fitted in the mounting groove 306, and the lower end of the adjusting screw 301 passes through the movable frame 300 and is fixedly connected with the gasket 307. Because the gasket 307 at the lower end of the adjusting screw 301 can rotate in the mounting groove 306 relative to the inner wall of the mounting groove 306, the adjusting screw 301 can rotate in the movable frame 300, so as to drive the movable frame 300 to move up and down.
As a further supplement and improvement to this embodiment, as shown in fig. 1, two opposite sides of the housing 10 are respectively provided with fixing screws 308, and the fixing screws 308 can be inserted into the ground from above the housing 10. Therefore, the housing 10 can be fixed on the asphalt pavement, and the housing 10 is prevented from being shifted in the detection process.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. The utility model provides a multi-functional bituminous paving cling compound performance check out test set, includes casing (10), the lower extreme of casing (10) is uncovered, still includes detection mechanism, detection mechanism includes driving shaft (401), transmission shaft (402), motor (202), contact inductor (203), plectrum (204), inlet tube (205) and a plurality of gyro wheel (206) of vertical installation, its characterized in that, movable frame (300) that can vertically move is installed to casing (10) fit in, still includes vertical adjusting screw (301) that sets up, and adjusting screw (301) threaded connection is in casing (10) and the lower extreme rotationally connects on movable frame (300), install tensiometer (302) on casing (10), the detection terminal of tensiometer (302) lower extreme is connected in movable frame (300), be equipped with storage water tank (102) in movable frame (300), the water inlet pipe (205) penetrates through the shell (10) and the movable frame (300) and is communicated with the water storage tank (102), a plurality of water outlet holes (103) communicated with the water storage tank (102) are formed in the inner wall of the movable frame (300), the transmission shaft (402) is horizontally and rotatably installed in the movable frame (300), the poking sheet (204) is fixedly installed on the side face of the transmission shaft (402), the contact inductor (203) is fixedly connected onto the movable frame (300), the poking sheet (204) can be contacted with the contact inductor (203), the motor (202) is installed in the movable frame (300), the driving shaft (401) is fixedly connected with the power output end of the motor (202), the roller (206) is coaxially installed on the transmission shaft (402), a rubber tire (2061) is sleeved on the periphery of the roller (206), and corresponding ends between the driving shaft (401) and the transmission shaft (402) are respectively provided with a first transmission tooth (500) and a second transmission tooth (2061) which can be mutually meshed with each other for transmission 600).
2. The multifunctional asphalt pavement skid resistance detection device according to claim 1, wherein two opposite side walls in the housing (10) are respectively provided with a longitudinally extending guide rail (304), the left and right sides of the movable frame (300) are provided with pulleys (305), and the pulleys (305) are movably fitted in the guide rails (304).
3. The multifunctional asphalt pavement skid resistance detection device according to claim 2, wherein a mounting groove (306) is formed in the lower side of the top plate of the movable frame (300), a gasket (307) is rotatably installed in the mounting groove (306) in a matching manner, and the lower end of the adjusting screw (301) penetrates through the movable frame (300) and is fixedly connected with the gasket (307).
4. The multifunctional asphalt pavement skid resistance detection device according to claim 3, wherein two opposite sides of the housing (10) are respectively provided with a fixing screw (308), and the fixing screws (308) can be inserted into the ground from above the housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125273.XU CN211576910U (en) | 2019-12-02 | 2019-12-02 | Multifunctional asphalt pavement skid resistance detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922125273.XU CN211576910U (en) | 2019-12-02 | 2019-12-02 | Multifunctional asphalt pavement skid resistance detection equipment |
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| CN211576910U true CN211576910U (en) | 2020-09-25 |
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| CN201922125273.XU Active CN211576910U (en) | 2019-12-02 | 2019-12-02 | Multifunctional asphalt pavement skid resistance detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588544A (en) * | 2021-08-03 | 2021-11-02 | 中国港湾工程有限责任公司 | Asphalt pavement skid resistance detection equipment and detection method thereof |
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2019
- 2019-12-02 CN CN201922125273.XU patent/CN211576910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588544A (en) * | 2021-08-03 | 2021-11-02 | 中国港湾工程有限责任公司 | Asphalt pavement skid resistance detection equipment and detection method thereof |
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