CN205388564U - Anti spalling resistance detection device of bituminous paving - Google Patents
Anti spalling resistance detection device of bituminous paving Download PDFInfo
- Publication number
- CN205388564U CN205388564U CN201620217744.3U CN201620217744U CN205388564U CN 205388564 U CN205388564 U CN 205388564U CN 201620217744 U CN201620217744 U CN 201620217744U CN 205388564 U CN205388564 U CN 205388564U
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- China
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- slide bar
- bituminous paving
- slide block
- rubbing
- test specimen
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Abstract
The utility model relates to an anti spalling resistance detection device of bituminous paving, including the base that is used for placing the test piece, two vertical lift posts of installation on the base, lift post gliding slide bar from top to bottom can be followed in one installation between two lift posts, and the slide bar is in the horizontality all the time, installing on the slide bar and following the gliding first slider of slide bar axis direction, install on the first slider and be used for driving guide arm pivoted motor, the motor links to each other with vertical guide arm upper end, and the lower extreme of guide arm links to each other with the rubbing device of the test piece that is used for rubbing, and rubbing device is last can to place the weight, and rubbing device is located the top of test piece, first slider is connected and to be used for driving it along slide bar axis direction gliding power device that makes a round trip. The utility model discloses can simulate the size and the mode of the effort of actual vehicle on bituminous paving well to acquire vehicle that the disalignment carried to the anti spalling resistance's of bituminous paving influence, convenient operation, the standardization of being convenient for.
Description
[technical field]
This utility model relates to detecting device field, is specifically related to a kind of bituminous paving antistrip performance detecting device.
[background technology]
The antistrip performance of bituminous paving is also one of important pavement performance of bituminous paving, and we consider that more is the high-temperature behavior of bituminous paving, crack resistance at low-temperature, water stabilizing and anti-fatigue performance at ordinary times.These pavement performances we there is the test system of a set of maturation, but we seldom go research to the antistrip performance of bituminous paving.
The resistance to flaking difference of bituminous paving can cause bituminous cements and separating of gathering materials, and road surface can produce large-area loose, pitted skin, has a strong impact on the service level of bituminous paving.Constructing again to last open to traffic from being designed into of bituminous paving, antistrip performance all should be taken into account.The antistrip performance of bituminous paving to consider the requirement of the kind of Colophonium, the type of grating, the type gathered materials, construction technology on the one hand, needs to consider the effect of traffic load, natural environment on the other hand.Colophonium, in the design of bituminous paving, slows down and separating of gathering materials mainly by adding additive in China, by observing the degree that bituminous paving peels off artificially.There is no the assay device of specification to detect road surface antistrip performance.
[summary of the invention]
The purpose of this utility model is in that to overcome problems of the prior art, it is provided that a kind of bituminous paving antistrip performance detecting device, it is possible to simulate the actual vehicle friction to bituminous paving by this device, it is simple to detection bituminous paving antistrip performance.
In order to achieve the above object, this utility model adopts the following technical scheme that
Including the base for placing test specimen, installing two vertical lifting columns on base, install a slide bar that can slide up and down along lifting column between two lifting columns, slide bar is in level all the time；Slide bar is provided with the first slide block that can slide along slide bar axis direction, first slide block is provided with the motor for driving guide rod to rotate, motor is connected with vertical guide rod upper end, the lower end of guide rod is connected with the rubbing device for the test specimen that rubs, can placing counterweight on rubbing device, rubbing device is positioned at the top of test specimen；First slide block connects for driving its first power set slidably reciprocated along slide bar axis direction.
Further, base is provided with the nut for fixing test specimen.
Further, slide bar two ends are arranged on lifting column respectively through the second slide block that can move up and down；Second slide block connects for driving its second power set moved up and down.
Further, base is provided with the controller for being turned on and off motor, the first power set and the second power set.
Further, the first slide block being installed pallet, motor is arranged on pallet, and the two ends of slide bar and the both sides of pallet are respectively cooperating with being provided with for the first slide block carries out spacing magnetic force induction device.
Further, rubbing device is the circle that diameter is equal with the diameter of equivalent circle of standard vehicle tire.
Further, the bottom of rubbing device is provided with and the rubber for tire of rubbing device consistent size.
Compared with prior art, this utility model has following useful technique effect:
This utility model is by installing the slide bar that can slide up and down, so that the rubbing device installed on it can be pressed on test specimen, motor, guide rod and rubbing device link together, rotated by driven by motor rubbing device, and slided on slide bar by the first slide block, driving rubbing device to rub back and forth on test specimen, simulating vehicle travels on road surface；Rubbing device can be placed counterweight, the vehicle that simulation is not coaxially the carried effect to bituminous paving, therefore this utility model can simulate size and the mode of actual vehicle active force on bituminous paving well, reasonable in design, simple to operate, convenience of calculation, measure accurately, it is easy to evaluate the quality of the antistrip performance of existing bituminous paving, this utility model can obtain the vehicle coaxially not the carried impact on bituminous paving antistrip performance by simple test operation, visual result, process of the test is workable, it is easy to standardization, reference is provided for road design and road maintenance aspect.
Further, this utility model is by arranging draw-in groove and nut, it is prevented that test specimen slides.
Further, this utility model, by arranging magnetic force induction device, better controls over the stroke of the first slide block, it is simple in time along backtracking.
Further, this utility model is by arranging rubber for tire, it is simple to the simulation actual vehicle effect to bituminous paving better.
[accompanying drawing explanation]
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the upward view of rubber for tire in this utility model；
1-base, 2-lifting column, 3-the second slide block, 4-the first slide block, 5-guide rod, 6-counterweight, 7-rubbing device, 8-rubber for tire, 9-test specimen, 10-nut, 11-motor, 12-controller, 13-the first magnetic force induction device, 14-pallet, 15-slide bar, 16-the second magnetic force induction device, 17-the 3rd magnetic force induction device, 18-the 4th magnetic force induction device.
[detailed description of the invention]
Below in conjunction with accompanying drawing, this utility model is described in further details.
Referring to Fig. 1 and Fig. 2, this utility model includes the base 1 for placing test specimen 9, base 1 is installed two vertical lifting columns 2, two lifting columns 2 are mounted on the second slide block 3 that can move up and down, it is connected by a slide bar 15 between two the second slide blocks 3, slide bar 15 can slide up and down along lifting column 2 with the second slide block 3, and slide bar 15 is in level all the time；Slide bar 15 is provided with the first slide block 4 that can slide along slide bar 15 axis direction, first slide block 4 is installed pallet 14, pallet 14 is provided with the motor 11 for driving guide rod 5 to rotate, motor 11 is connected with vertical guide rod 5 upper end, the lower end of guide rod 5 is connected with the rubbing device 7 for the test specimen 9 that rubs, rubbing device 7 can add placement counterweight 6, the vehicle that simulation is not coaxially the carried effect to bituminous paving；Rubbing device 7 bottom shape is circular, and the diameter of this circle is equal with the diameter of equivalent circle of standard vehicle tire, and the bottom of rubbing device 7 is provided with and is cut into circle and the rubber for tire 8 with rubbing device 7 consistent size.
First slide block 4 connects for driving its first power set slidably reciprocated along slide bar 15 axis direction；Second slide block 3 connects for driving its second power set moved up and down, and the first power set and the second power set can adopt motor, electromotor etc..
Being provided with two nuts 10 for fixing test specimen 9 on base 1, two nuts 10 form draw-in groove, it is possible to effectively prevent test specimen 9 from sliding.
The two ends of slide bar 15 and the both sides of pallet 14 are respectively mounted for the first slide block 4 is carried out spacing magnetic force induction device, and wherein, the left end at slide bar 15 installs the first magnetic force induction device 13, and right-hand member installs the 4th magnetic force induction device 18；Install the second magnetic force induction device 16 in the left side of pallet 14, the 3rd magnetic force induction device 17 is installed on right side, and the first magnetic force induction device 13 is relative with the second magnetic force induction device 16 and magnetic pole contrary, and the 3rd magnetic force induction device 17 is relative with the 4th magnetic force induction device 18 and magnetic pole is contrary.
The right side of base 1 is provided with controller 12, and controller 12 is connected with motor the 11, first power set and the second power set, to be turned on and off motor the 11, first power set and the second power set.
The method of most simple, intuitive is detected for the antistrip performance of bituminous paving and is through rubbing device friction back and forth on test specimen, according to not coaxially under load effect the loss of peeling off of bituminous paving evaluate the quality of bituminous paving antistrip performance.This utility model can realize this principle well.
nullMain operational principle of the present utility model is，It is placed between two nuts 10 by rut plate test specimen 9 to be fixed，The second power set are started by controller 12，Make the second slide block 3 move downward and pass through slide bar 15 to drive the rubber for tire 8 bottom rubbing device 7 to contact test specimen 9，Add appropriate counterweight 6 and reach the axle load of requirement，Motor 11 and the first power set are made to behave by controller 12，First power set drive the first slide block 4，First slide block 4 drives pallet 14、Motor 11 and rubbing device 7 move left and right，By the induction apparatus 13 all installed at the two ends, left and right of slide bar 15 and the two ends, left and right of pallet 14，When the first slide block 4 moves to slide bar 15 left end or right-hand member with pallet 14，Because the magnetic force induction device on the first slide block 4 and the magnetic force induction device magnetic pole on slide bar 15 are contrary，Automatically identified by two pairs of magnetic force induction devices cooperated，The direction of the first slide block 4 will be changed by the first power set，Make it along backtracking.Motor 11, guide rod 5 and rubbing device 7 link together, motor 11 drives rubbing device 7 to rotate, realizing driven wheel tire rubber 8 friction back and forth on test specimen 9 thus coordinating, simulating vehicle travels on road surface, weighs the quality evaluation for bituminous paving antistrip performance of friction front and back test specimen 9.
Test specimen 9 can pass through the rut plate that indoor rolling instrument makes, it is also possible to from actual road surface cutting sampling, the size of test specimen is 300mm × 300mm × 50mm；The lifting of slide bar 15, the moving left and right of the first slide block 4, motor 11 rotation all operated by controller 12.
Work process of the present utility model is as follows:
(1) match ratio of asphalt is determined by indoor marshall' mechanic characteristic value, make be of a size of 300mm × 300mm × 50mm rut plate test specimen according to " highway engineering Colophonium and Asphalt Mixture Experiment code " (JTGE20-2011) rolling method, or directly cut the test specimen of same size on actual road surface.
(2) by test specimen health preserving 2d in the calorstat that temperature is 25 DEG C, 1d is placed at ambient temperature.
(3) clean, with hairbrush, the granule that test specimen 9 surface comes off, weigh the initial mass M0 of test specimen 9.
(4) test specimen 9 is placed in the draw-in groove of assay device, be manipulated by device 12 and make the rubber for tire 8 bottom rubbing device 7 contact test specimen 9, add counterweight 6 and make axle load reach the specification axle load of 0.7MPa.
(5) make motor 11 and the first slide block 4 behave by controller 12, and start timing.
(6) when reaching the time T of regulation, motor 11 is closed by controller 12, the first slide block 4, rises slide bar 15, takes out test specimen 9, the granule come off with hairbrush light brush test specimen 9 surface, weigh mass M 1.
(7) according to mass loss S=(M1/M0) × 100, the mass loss of calculation testing piece 9.
The wherein mass loss of S--bituminous paving, dimensionless；
The initial mass of M0 test specimen, unit is Kg；
The quality of test specimen after M1 off-test, unit is Kg；
S is more big, then judge that the anti-strip ability of test specimen 9 to be measured is more poor, otherwise, S is more little, then judge that the anti-strip ability of test specimen to be measured is more strong.
This utility model has the advantage that
This utility model can simulate size and the mode of actual vehicle active force on bituminous paving well, for evaluating the antistrip performance of bituminous paving, reasonable in design, simple to operate, convenience of calculation, measurement are accurate, it is easy to evaluate the quality of the antistrip performance of existing bituminous paving, the vehicle coaxially not the carried impact on bituminous paving antistrip performance can be obtained by simple test operation, visual result, process of the test is workable.A kind of efficiently simple detecting device is provided for road design and road maintenance aspect.
Claims (7)
1. a bituminous paving antistrip performance detecting device, it is characterized in that, including the base (1) for placing test specimen (9), base (1) two vertical lifting columns (2) of upper installation, installing a slide bar (15) that can slide up and down along lifting column (2) between two lifting columns (2), slide bar (15) is in level all the time；Slide bar (15) is provided with the first slide block (4) that can slide along slide bar (15) axis direction, first slide block (4) is provided with the motor (11) for driving guide rod (5) to rotate, motor (11) is connected with vertical guide rod (5) upper end, the lower end of guide rod (5) is connected with the rubbing device (7) of test specimen (9) that are used for rubbing, can placing counterweight (6) on rubbing device (7), rubbing device (7) is positioned at the top of test specimen (9)；First slide block (4) connection is used for driving its first power set slidably reciprocated along slide bar (15) axis direction.
2. a kind of bituminous paving antistrip performance detecting device according to claim 1, it is characterised in that be provided with the nut (10) for fixing test specimen (9) on base (1).
3. a kind of bituminous paving antistrip performance detecting device according to claim 1, it is characterised in that slide bar (15) two ends are arranged on lifting column (2) respectively through the second slide block (3) that can move up and down；Second slide block (3) connects for driving its second power set moved up and down.
4. a kind of bituminous paving antistrip performance detecting device according to claim 3, it is characterized in that, base (1) is provided with the controller (12) for being turned on and off motor (11), the first power set and the second power set.
5. a kind of bituminous paving antistrip performance detecting device according to claim 1, it is characterized in that, first slide block (4) is installed pallet (14), motor (11) is arranged on pallet (14), and the two ends of slide bar (15) and the both sides of pallet (14) are respectively cooperating with being provided with for the first slide block (4) is carried out spacing magnetic force induction device.
6. a kind of bituminous paving antistrip performance detecting device according to claim 1, it is characterised in that rubbing device (7) is the diameter circle equal with the diameter of equivalent circle of standard vehicle tire.
7. a kind of bituminous paving antistrip performance detecting device according to claim 1 or 6, it is characterised in that the bottom of rubbing device (7) is provided with the rubber for tire (8) with rubbing device (7) consistent size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217744.3U CN205388564U (en) | 2016-03-21 | 2016-03-21 | Anti spalling resistance detection device of bituminous paving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217744.3U CN205388564U (en) | 2016-03-21 | 2016-03-21 | Anti spalling resistance detection device of bituminous paving |
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| Publication Number | Publication Date |
|---|---|
| CN205388564U true CN205388564U (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620217744.3U Expired - Fee Related CN205388564U (en) | 2016-03-21 | 2016-03-21 | Anti spalling resistance detection device of bituminous paving |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760615A (en) * | 2018-03-07 | 2018-11-06 | 宁夏大学 | A kind of simulating natural condition bituminous concrete tester |
| CN109323985A (en) * | 2018-08-10 | 2019-02-12 | 河海大学 | A kind of paving steel bridge deck binder pull strength test device and test method |
| CN109596519A (en) * | 2018-12-27 | 2019-04-09 | 山东科技大学 | A kind of gunite concrete time-varying adhesion strength measuring device and measuring method |
-
2016
- 2016-03-21 CN CN201620217744.3U patent/CN205388564U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760615A (en) * | 2018-03-07 | 2018-11-06 | 宁夏大学 | A kind of simulating natural condition bituminous concrete tester |
| CN108760615B (en) * | 2018-03-07 | 2024-04-16 | 宁夏大学 | Asphalt concrete tester simulating natural conditions |
| CN109323985A (en) * | 2018-08-10 | 2019-02-12 | 河海大学 | A kind of paving steel bridge deck binder pull strength test device and test method |
| CN109323985B (en) * | 2018-08-10 | 2020-12-29 | 河海大学 | Device and method for testing drawing strength of adhesive for paving steel bridge deck |
| CN109596519A (en) * | 2018-12-27 | 2019-04-09 | 山东科技大学 | A kind of gunite concrete time-varying adhesion strength measuring device and measuring method |
| CN109596519B (en) * | 2018-12-27 | 2024-05-07 | 山东科技大学 | Device and method for measuring time-varying adhesive force of sprayed concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |