CN107044943B - Contrast type automatic rut tester - Google Patents
Contrast type automatic rut tester Download PDFInfo
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- CN107044943B CN107044943B CN201710359813.3A CN201710359813A CN107044943B CN 107044943 B CN107044943 B CN 107044943B CN 201710359813 A CN201710359813 A CN 201710359813A CN 107044943 B CN107044943 B CN 107044943B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a contrast type automatic rut tester, which comprises a rack, test vehicles arranged in the rack and a driving device for driving the test vehicles to reciprocate, wherein the test vehicles are at least provided with two test vehicles, the rack is also provided with an object placing platform below the test vehicles, the object placing platform is detachably connected with a plurality of positioning plates, and the two positioning plates form a fixing groove for fixing a concrete test piece. The invention has the following advantages and effects: through setting up a plurality of test cars in frame upper end, the concrete test piece of equidimension not can be fixed to the thing platform that sets up in the below simultaneously for this tester can carry out the test of the concrete test piece of different grade type simultaneously, and carries out the test of different pressure simultaneously to whole concrete test piece, thereby can be faster more direct contrast out the produced detection effect of concrete test piece at different environment, different grade type, different pressure.
Description
Technical Field
The invention relates to the field of concrete pavement detection equipment, in particular to a contrast type automatic rut tester.
Background
At present, the known asphalt pavement rut simulation test device mainly comprises a test box and an industrial computer. The test box comprises power switch, heater, test wheel walking driving motor, jack, balancing weight, test piece mount, temperature sensor, displacement sensor, crank, box. And (3) placing the well-cultured test piece into the test piece fixing frame and locking, and after the temperature is constant, putting down the balancing weight by using a hand rocking handle to enable the test wheel to fully contact the test piece, so that the test wheel is always in a pressing state. And adjusting the displacement sensor up and down, and locking the displacement sensor. Starting the industrial computer, and clicking the test starting key on the menu to carry out the test. The curve display area will have a red displacement curve showing the amount of change in displacement over time during the course of the test. Clicking the mouse on the displacement curve will display the current deformation and the current time. And (4) automatically stopping the track after the test is finished, calculating a test result, and then printing a test report.
For example, chinese patent CN203365220U, "a rut tester simulating sunlight environment", discloses the above structure, but all current rut testers can only perform a single test, when it is necessary to compare concrete component pavements with different components or pavements with the same component, it is necessary to perform multiple tests, and at the same time, it is necessary to keep the test environment consistent during the test, so a test device capable of selective detection is urgently needed.
Disclosure of Invention
The invention aims to provide a contrast type automatic rut tester which has the effect of providing a plurality of contrast detection test modes.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a contrast type automatic rut tester, includes the frame, locates test car in the frame, is used for driving test car reciprocating motion's drive arrangement, the test car is provided with two at least, the frame still is provided with the platform below the test car, can dismantle on the platform and be connected with a plurality of locating plates, two the locating plate forms the fixed slot that is used for fixed concrete sample.
By adopting the technical scheme, the plurality of test vehicles are driven to reciprocate through the driving device, so that the concrete test piece placed on the object placing platform can be moved in a reciprocating rolling manner, and the detection of the concrete test piece is realized; simultaneously be provided with storage platform in the test car below, realize the fixed of detecting the concrete sample through two locating plates, avoid the test car not hard up when carrying out the rut test. Meanwhile, the positioning plate and the object placing platform are detachably connected, so that the positioning plates at different positions can fix concrete samples with different lengths, for example, a plurality of test vehicles can carry out on a whole concrete sample, and when the pressure of the test vehicles is different, different detection results can be obtained on the concrete sample, so that direct comparison is carried out, and the comparison is more visual; on the other hand, the test vehicle can also realize that when the test vehicle has the same pressure, the concrete test pieces with different attributes are tested in the same environment, and has obvious comparison effect.
The invention is further provided with: the lower end of the positioning plate is provided with a plurality of insert blocks, and the object placing platform is provided with positioning grooves for inserting and positioning the insert blocks; the positioning plate is provided with a locking rod capable of moving towards the positioning plate.
Through adopting above-mentioned technical scheme, the locating plate lower extreme realizes through the inserted block and realizes realizing being connected in the vertical side with the constant head tank on the storage platform, has avoided the removal of horizontal direction, therefore when two locating plates are plugged to different constant head tanks on, has different fixed ranges, realizes fixing the concrete sample of equidimension not. And finally, when the concrete sample is fixed on the fixing groove, the locking piece arranged on the positioning plate moves towards the side wall of the concrete sample, so that the concrete sample is fixed.
The invention is further provided with: the lower end of the storage platform is provided with a plurality of protruding strips which are parallel to the positioning plate and can slide on the rack.
Through adopting above-mentioned technical scheme, the sand grip that the platform lower extreme set up can slide in the frame, make and carry out the experimental back of test car when concrete sample one side, through the removal of opposition platform, can carry out the test car of different pressure at the opposite side of concrete sample and test, can contrast between the experimental effect of this concrete sample to different pressure, the realization can realize the effect of many times contrast through less experimental number of times, reduce the check-out time to the concrete sample, improve the contrast efficiency of this tester.
The invention is further provided with: the driving device comprises an installation plate for installing the test vehicle, a driving motor for driving the installation plate to reciprocate and a linkage piece for changing the rotation direction of the driving motor into the left-right reciprocating movement of the installation plate.
The invention is further provided with: the linkage piece comprises a disc fixed on the driving motor and a connecting rod, wherein one end of the connecting rod is rotatably connected to one side of the mounting plate, and the other end of the connecting rod is rotatably connected to the outer peripheral side of the disc.
Through adopting above-mentioned technical scheme, the installation plate is used for fixed test car, sets up a driving motor in one side of frame simultaneously, connects a connecting rod through setting up the disc off-centre on driving motor, and the one end at the installation plate is connected to the opposite side of this connecting rod. Make when driving motor is circular motion, can change circular motion into the left and right sides of installing the plate through the connecting rod and to the multiplexing to realize the reciprocal roll extrusion of test car on the concrete sample.
The invention is further provided with: the mounting plate comprises a fixing plate for connecting the test vehicle and at least two fixing shafts with two ends fixed on the rack; the lower end of the fixed plate is provided with a sliding block which is connected to the fixed shaft in a sliding manner.
Through adopting above-mentioned technical scheme, the fixed axle both ends in the installation plate are fixed in the frame, and the fixed plate passes through the sliding block simultaneously and realizes fixing on the fixed axle, and then the fixed plate of being connected with the connecting rod is driven the back by driving motor, realizes reciprocating axial motion on the fixed axle to drive the removal of test car.
The invention is further provided with: the test vehicle comprises a jack fixed on the fixed plate, a plurality of positioning rods arranged on the fixed plate in a sliding manner, a wheel piece positioned at the lower end of the fixed plate and connected with the positioning rods, and a balancing weight connected to the upper end of the jack and the upper end of the positioning rods; a distance measuring meter is arranged on the balancing weight.
Through adopting above-mentioned technical scheme, jack in the test vehicle is fixed in the fixed plate upper end, and the upper end of jack is connected with there is the balancing weight simultaneously, realizes the suppression to the jack, and the both sides of balancing weight are connected with the locating lever simultaneously, and the wheel spare is connected to the lower extreme of locating lever for drive the balancing weight and reciprocate when the jack removes, thereby adjust the distance between the terminal surface of wheel spare and concrete test piece, thereby adjust the pressure between the two. Set up a distance measurement meter on the balancing weight and realize falling the detection of distance to jack, make every more directly perceived to concrete test piece detection contrast test.
The invention is further provided with: the rack is provided with a baffle on the periphery of the object placing platform, and a water storage tank is formed on the inner periphery of the baffle.
Through adopting above-mentioned technical scheme, the frame sets up the baffle in the peripheral survey of storage platform, forms with the catch basin for storage platform can simulate the detection mode of concrete test piece in aqueous, enlarges the detection range of tester.
The invention is further provided with: and a fan, an exhaust fan and a temperature sensor which can be placed on the storage platform are further arranged on one side of the rack.
Through adopting above-mentioned technical scheme, simultaneously through the combined action of air feed machine and exhaust fan, realize adjusting the inside temperature of frame to realize the test of concrete sample under different temperatures.
In conclusion, the invention has the following beneficial effects: the test device has the advantages that the test vehicles are arranged at the upper end of the rack, and the object placing platform arranged below the rack can fix concrete samples with different sizes, so that the test device can simultaneously test concrete samples with different types and simultaneously test the whole concrete sample with different pressures, and the detection effects of the concrete samples in different environments, different types and different pressures can be compared more quickly and directly; meanwhile, the tester can also adjust the fixing modes of different concrete samples according to the detection requirements of the concrete samples and simulate the environment required to be detected by the concrete samples.
Drawings
FIG. 1 is a schematic diagram of the components of the tester;
FIG. 2 is a view showing the structure of a driving device, which is not installed on a frame housing of the tester;
FIG. 3 is a second drawing of the housing of the test apparatus without mounting, which is used for embodying the structure of the test vehicle and the fixing plate;
fig. 4 is an exploded view of the alignment plate, the placement platform, and the mounting platform.
In the figure: 1. a frame; 2. mounting a platform; 2.1, a sliding groove; 3. a placement platform; 3.1, positioning a groove; 3.2, convex strips; 3.3, butterfly nuts; 4. positioning a plate; 4.1, inserting blocks; 4.2, a screw rod piece; 5. a drive device; 6. a test vehicle; 7. fixing grooves; 8. mounting a plate; 8.1, fixing a plate; 8.2, fixing the shaft; 8.3, a sliding block; 8.4, a spring; 9. a drive motor; 10. a linkage member; 10.1. a disc; 10.2, connecting rods; 11. a wheel member; 12. a jack; 13. positioning a rod; 14. a balancing weight; 15. a distance measuring meter; 16. a baffle plate; 17. a water storage tank; 18. a fan; 19. an exhaust fan; 20. a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a contrast type automotive vehicle rut tester, refer to fig. 1, including frame 1, 1 inside outside of frame is provided with a sliding door (hidden in the picture), inside mounting platform 2 that is provided with simultaneously, be provided with a storage platform 3 and locating plate 4 on mounting platform 2, be used for fixed concrete sample, be provided with a drive arrangement 5 in one side of this mounting platform 2 simultaneously and be used for the drive to install 6 reciprocating motion of test car above storage platform 3, opposite side at mounting platform 2 is provided with air supply fan 18, exhaust fan 19 and temperature sensor 20, be used for adjusting the inside temperature of frame 1.
The driving device 5, with reference to fig. 2, comprises a mounting plate 8 for mounting the test vehicle 6, the mounting plate 8 comprising a fixed plate 8.1 parallel to the mounting platform 2 and two fixed shafts 8.2 also horizontally arranged on the mounting platform 2. Two ends of the fixed shaft 8.2 are fixed on the stand columns on two sides of the rack 1, meanwhile, a plurality of sliding blocks 8.3 are arranged at the lower end of the fixed plate 8.1, the sliding blocks 8.3 are sleeved on the fixed shaft 8.2, and axial movement of the fixed plate 8.1 on the fixed shaft 8.2 is achieved.
Referring to fig. 2, the device further comprises a driving motor 9 as a power source and a linkage 10 for connecting the fixing plate 8.1 and the driving motor 9, wherein the linkage 10 comprises a disk 10.1 on the driving motor 9, a connecting rod 10.2 is connected to the outer periphery of the disk 10.1, the end of the connecting rod 10.2 is rotatably connected with a vertical shaft on the disk 10.1, and the other end of the connecting rod 10.2 is also rotatably connected to one side of the fixing plate 8.1. Make when driving motor 9 drives disc 10.1 circular rotation, connecting rod 10.2 also can be circular motion along with disc 10.1, drives the fixed plate 8.1 of the other end of connecting rod 10.2 simultaneously and removes, simultaneously again because fixed axle 8.2 spacing for fixed plate 8.1 can only realize reciprocating motion along fixed axle 8.2's circumference, realizes test car 6 reciprocating motion on the fixed plate 8.1.
The fixed shaft 8.2 is further sleeved with a spring 8.4 (refer to fig. 2) with one end fixed on the fixed shaft 8.2 and the other end abutting against the end face of the sliding block 8.3, so that on one hand, the damping effect of the fixed plate 8.1 during reciprocating movement can be achieved, and meanwhile, the more smooth resetting of the fixed plate 8.1 can be facilitated.
Three groups of test vehicles 6 are mounted on the fixing plate 8.1 in fig. 3, and each group of test vehicles 6 comprises a wheel piece 11, a jack 12 and two positioning rods 13. The lower end of the jack 12 is fixed on the upper end face of the fixed plate 8.1, the two positioning rods 13 are respectively positioned on two sides of the jack 12, and on the other hand, the fixed plate 8.1 is provided with positioning pipes for inserting the positioning rods 13 so as to ensure the positioning rods 13 to move directionally on the fixed plate 8.1; meanwhile, the lower end of a positioning rod 13 which penetrates through the fixing plate 8.1 is connected with a wheel component 11.
A weight block 14 (see fig. 3) capable of generating pressure on the jack 12 is further fixed to the upper end of the jack 12, and the upper end of the positioning rod 13 is fixed to an end surface of the weight block 14. When the jack 12 pushes up the counter weight 14, the counter weight 14 can drive the positioning rod 13 to move upwards, so as to drive the wheel 11 arranged below to generate high displacement relative to the mounting platform 2. A distance measuring meter 15 is arranged on the lower end face of the counterweight block 14 in an inverted manner and used for measuring the displacement distance of the counterweight block 14 relative to the fixing plate 8.1, so that the distance between the wheel member 11 and the concrete sample on the placement platform 3 is obtained.
Referring to fig. 4, locating plate 4 is pegged graft and is realized dismantling the connection on platform 3, has seted up multirow constant head tank 3.1 on platform 3, and constant head tank 3.1 comprises a plurality of little jacks, and 4 lower extremes of locating plate are provided with the inserted block 4.1 that quantity and jack quantity are the same, realize locating plate 4 and platform 3 dismantling and be connected. Two relative locating plates 4 constitute fixed slot 7 that is used for fixed concrete sample, still are provided with screw rod spare 4.2 as the check lock pole on locating plate 4 simultaneously, through the axial displacement of screw rod spare 4.2 on fixed plate 8.1, realize supporting tightly fixedly with the lateral wall of placing the concrete sample on fixed slot 7.
Because the positioning grooves 3.1 are arranged in multiple rows, the fixing grooves 7 formed between the two positioning plates 4 are different in length, and concrete samples with different lengths can be obtained, so that the test vehicle 6 positioned above can simultaneously detect the concrete samples; when needs separately examine, can increase the quantity of locating plate 4, then test car 6 detects the concrete sample respectively.
Seted up sliding groove 2.1 on mounting platform 2 (refer to fig. 4), the lower extreme of storing platform 3 is provided with length weak point in sliding groove 2.1's sand grip 3.2 simultaneously, and storing platform 3 realizes through this sand grip 3.2 that directional slides on mounting platform 2, is connected with butterfly nut 3.3 in storing platform 3's corner simultaneously for when the position of storing platform 3 is adjusted to needs, only need unscrew butterfly nut 3.3 and can adjust.
Baffle 16 (refer to fig. 4) is erected on the mounting platform 2 in the circumference of the moving range of the object placing platform 3, and a water storage tank 17 (refer to fig. 3) is formed inside the baffles 16, namely the circumference of the object placing platform 3, so that a track test of a concrete sample at a ponding position can be simulated, and the detection range of the tester is expanded.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a contrast type automotive rut tester, includes frame (1), locates test car (6), drive arrangement (5) that are used for drive test car (6) reciprocating motion in frame (1), its characterized in that: the test vehicle (6) is provided with at least two test vehicles, the rack (1) is also provided with a storage platform (3) below the test vehicle (6), the storage platform (3) is detachably connected with a plurality of positioning plates (4), and the two positioning plates (4) form a fixing groove (7) for fixing a concrete sample; a plurality of inserting blocks (4.1) are arranged at the lower end of the positioning plate (4), and positioning grooves (3.1) for inserting and positioning the inserting blocks (4.1) are formed in the object placing platform (3); the positioning plate (4) is provided with a locking rod capable of moving towards the positioning plate (4); the driving device (5) comprises a mounting plate (8) for mounting the test vehicle (6), a driving motor (9) for driving the mounting plate (8) to reciprocate and a linkage piece (10) for changing the rotation direction of the driving motor (9) into the left-right reciprocating movement of the mounting plate (8); the linkage piece (10) comprises a disc (10.1) fixed on the driving motor (9) and a connecting rod (10.2) with one end rotatably connected to one side of the mounting plate (8) and the other end rotatably connected to the outer peripheral side of the disc (10.1); the mounting plate (8) comprises a fixing plate (8.1) used for connecting the test vehicle (6) and at least two fixing shafts (8.2) with two ends fixed on the frame (1); the lower end of the fixed plate (8.1) is provided with a sliding block (8.3) connected to the fixed shaft (8.2) in a sliding manner; the test vehicle (6) comprises a jack (12) fixed on the fixed plate (8.1), a plurality of positioning rods (13) arranged on the fixed plate (8.1) in a sliding manner, wheel parts (11) located at the lower end of the fixed plate (8.1) and connected with the positioning rods (13), and a balancing weight (14) connected to the upper end of the jack (12) and the upper end of the positioning rods (13); a distance measuring meter (15) is arranged on the balancing weight (14).
2. A comparative automotive rut tester according to claim 1, wherein: the lower end of the storage platform (3) is provided with a plurality of convex strips (3.2) which are parallel to the positioning plate (4) and can slide on the rack (1).
3. A comparative automotive rut tester according to claim 1, wherein: the rack (1) is provided with a baffle (16) at the outer periphery of the object placing platform (3), and a water storage tank (17) is formed at the inner periphery of the baffle (16).
4. A comparative automotive rut tester according to claim 1, wherein: and a fan (18), an exhaust fan (19) and a temperature sensor (20) which can be placed on the storage platform (3) are further arranged on one side of the rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710359813.3A CN107044943B (en) | 2017-05-20 | 2017-05-20 | Contrast type automatic rut tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710359813.3A CN107044943B (en) | 2017-05-20 | 2017-05-20 | Contrast type automatic rut tester |
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| CN107044943A CN107044943A (en) | 2017-08-15 |
| CN107044943B true CN107044943B (en) | 2020-08-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108120651B (en) * | 2017-12-07 | 2020-05-15 | 白山市公路工程试验检测中心 | Automatic detection device of rut tester and control method |
| CN110618050A (en) * | 2019-09-27 | 2019-12-27 | 长安大学 | Base material washout test device based on wheel load |
| CN116296929B (en) * | 2023-05-08 | 2023-08-08 | 昆明理工大学 | Iron tailing sand asphalt concrete rutting test device |
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| CN101666727A (en) * | 2009-10-19 | 2010-03-10 | 哈尔滨工业大学 | Track testing apparatus of indoor small-size annular asphalt pavement structure |
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Address after: No.705 dalongjuwu, Xihu District, Hangzhou City, Zhejiang Province, 310012 Patentee after: ZHEJIANG TRAFFIC DETECTION CO.,LTD. Address before: 310012 room 1042, No. 369, Wensan Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG TRAFFIC DETECTION CO.,LTD. |
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