CN109540706B - Impact resistance testing device and testing method for road material - Google Patents
Impact resistance testing device and testing method for road material Download PDFInfo
- Publication number
- CN109540706B CN109540706B CN201811626310.9A CN201811626310A CN109540706B CN 109540706 B CN109540706 B CN 109540706B CN 201811626310 A CN201811626310 A CN 201811626310A CN 109540706 B CN109540706 B CN 109540706B
- Authority
- CN
- China
- Prior art keywords
- impact
- fixed
- testing
- rail
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 239000000463 material Substances 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000004088 simulation Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 5
- 239000002585 base Substances 0.000 abstract description 12
- 239000002253 acid Substances 0.000 abstract description 7
- 239000003513 alkali Substances 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004451 qualitative analysis Methods 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
-
- 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
- G01N2203/0035—Spring
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an impact resistance testing device and an impact resistance testing method for road materials. The outside of the closed test box is provided with a liquid storage container, an ultraviolet lamp and other environment simulation components. The impact mechanism is installed and fixed on the right side of the base plate, and the loading platform is installed and fixed on the left side of the base plate close to the impact mechanism. The invention can set a plurality of different road working conditions such as strong acid and alkali, rainfall, high temperature, ultraviolet aging and the like, and effectively simulate complex environments, thereby rapidly and accurately obtaining the impact resistance of the road material under different impact parameters.
Description
Technical Field
The invention belongs to the field of road engineering test instruments, and particularly relates to an impact resistance testing device and an impact resistance testing method for road materials.
Background
The road material needs to have good road performance, and when the road performance is tested, the system is required to analyze various short-term performance indexes of the road material, and the long-term performance indexes of the road material are required to be paid attention to. The impact resistance is a relatively important technical index in the long-term performance of the road material, two main methods for testing the road material at the present stage are provided, one is a qualitative analysis method, a steel ball with a certain mass is freely dropped on a test piece of the material to be tested, and the surface cracking degree of the test piece is observed to judge the impact resistance; the other is a quantitative analysis method, mainly relies on a drop hammer type or pendulum type impact instrument to obtain a certain impact strength value, so as to judge the impact resistance of the material. The qualitative analysis method is simple to operate, but cannot quantify the numerical value, so that the impact resistance of the material is difficult to accurately judge; the quantitative analysis method has more accurate data, but the instrument operation is more complex, and both methods have certain limitations.
In summary, the conventional road material impact resistance testing device and evaluation method mainly have the following disadvantages: when the road material is in a complex environment, the durability of the road material is affected by various working conditions (namely, a composite working condition), and the test method can only test the durability of a single working condition and can not test the impact resistance of the road material in different test environments such as strong acid and alkali, rainfall, high temperature, ultraviolet aging and the like. In addition, the drop hammer type or pendulum type impact instrument can only impact materials according to fixed angles and fixed hammer head masses, cannot obtain the impact resistance of the materials under different impact angles and forces, and is not beneficial to obtaining regular test data and conclusions. Therefore, there is a need for an impact resistance testing device and method for road materials, which can simulate complex environments and test impact resistance of road materials under different impact parameters.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the impact resistance testing device and the impact resistance testing method for the road material, which can simulate test data of different impact angles so as to rapidly and accurately obtain the impact resistance of the road material under different impact parameters.
In order to achieve the above purpose, the invention adopts the following technical scheme: the impact resistance testing device comprises a substrate, wherein an impact mechanism and a loading platform are arranged on the substrate, the impact mechanism comprises an impact rail which is obliquely arranged, two ends of the impact rail are respectively supported by a first support frame and a second support frame which are arranged in parallel, a plurality of adjusting holes are formed in the second support frame, a fixing support is sleeved outside the second support frame, and the second support frame and the fixing support are fixed through bolts and the adjusting holes; the impact rail is sequentially provided with a fixed baffle, a movable baffle and an inserting plate from top to bottom; the fixed baffle is fixed on the impact rail, the fixed baffle is connected with the movable baffle through a spring, an impact object is placed between the plugboard and the movable baffle, a plurality of plug grooves are formed in the impact rail, and the plugboard is plugged on the impact rail through the plug grooves; the loading platform comprises a loading plate, the loading plate is positioned at the outer side of the lower end of the impact rail, a storage table is arranged on the loading plate, a plurality of sensors are installed at the bottom of the storage table, and the sensors are temperature and pressure integrated sensors.
Further, the outside of the impact track is provided with an angle measuring ruler for measuring the included angle between the impact track and the horizontal plane.
Further, the two sides of the impact track are fixed with return force compression tracks, and the movable baffle is in sliding connection with the return force compression tracks.
Further, the outer side of the return force compression rail is marked with scales.
Further, the device further comprises a closed test box, wherein the substrate, the impact mechanism and the loading platform are arranged in the closed test box, a liquid storage container is arranged outside the closed test box and divided into a plurality of sub-containers which are not communicated with each other, the liquid storage container is connected with a spray head through a guide pipe, and the spray head is arranged in the closed test box.
Further, a box cover is arranged on the closed test box, and plastic gloves are arranged on the inner side of the box cover.
Further, an ultraviolet lamp is arranged at the top of the closed test box and is positioned right above the object placing table.
Further, an impact strength display is arranged on the loading plate, and the impact strength display is electrically connected with the sensor.
Further, the lower part of the loading plate is provided with a heating copper wire mesh, and the heating copper wire mesh is electrically connected with the temperature display and the power switch.
Further, a baffle is fixed on one side of the substrate far away from the fixed baffle, and a groove is formed at the joint of the connecting baffle and the substrate.
A method for testing impact resistance of road materials comprises the following steps:
step 1, placing a material test piece to be tested in a placement table, and then mounting the placement table on a substrate; according to the test requirement, an environment simulation component is adjusted, a single or composite working condition is set, and the environment simulation component comprises an ultraviolet lamp, a liquid storage container and a heating copper wire mesh;
step 2, adjusting the height of the second support frame until the impact rail is adjusted to a required impact angle, and then fixing the second support frame on the fixed support; selecting an impact object with certain mass, and controlling the impact strength of the impact object; placing an impact object between the plugboard and the movable baffle, compressing the spring until the impact object is compressed to a required impact speed, and inserting the plugboard into the insertion groove on the impact track;
and 3, taking out the plugboard, smashing an impact object to a test piece of the material to be tested along the impact track, and recording the impact strength of the material to be tested under the specified impact strength, angle and speed.
Compared with the prior art, the invention has at least the following beneficial technical effects: the impact angle, the force and the speed can be respectively controlled by adjusting the height of the impact track, the mass of the impact object and the compression degree of the spring, a series of accurate and regular test data and results are obtained, and a new thought is provided for evaluating the impact resistance of the material. All effects of the qualitative and quantitative analysis methods can be realized.
Furthermore, the durability of each single working condition and each composite working condition can be tested by adjusting the spraying amount of acid, alkali solution and water in the liquid storage container, the irradiation degree of the ultraviolet lamp and the temperature rise of the heating copper wire mesh to simulate different test environments such as strong acid and alkali, rainfall, high temperature, ultraviolet aging and the like of the road material.
Further, the outside of the impact track is provided with an angle measuring ruler for measuring the included angle between the impact track and the horizontal plane, so that the included angle between the impact track and the horizontal plane can be conveniently measured.
Further, the two sides of the impact track are fixed with return force compression tracks, the movable baffle is in sliding connection with the return force compression tracks, and the return force compression tracks are used for standardizing the movement track of the movable baffle.
Further, an impact strength display is arranged on the loading plate and is electrically connected with the sensor, and measured data can be directly displayed.
Further, the lower part of the loading plate is provided with a heating copper wire mesh, the heating copper wire mesh is electrically connected with the temperature display and the power switch, and the power switch can be used for switching on the power supply to heat the copper wire mesh, so that the temperature of the material on the object placing table is raised. The temperature display may adjust the temperature and display the real-time temperature of the material.
Further, the baffle is fixed on one side of the substrate far away from the fixed baffle, a groove is formed in the joint of the connecting baffle and the substrate, and an impact object is blocked by the baffle after rolling the test material and falls into the groove on the substrate, so that the impact object does not rebound.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of an impact mechanism of the present invention;
FIG. 3 is a schematic view of a second support frame according to the present invention;
FIG. 4 is a schematic view of a loading platform according to the present invention;
FIG. 5 is a schematic view of a heated copper wire mesh of the present invention;
the reference numerals in the figures are as follows: 1-closed test box, 2-liquid storage container, 3-ultraviolet lamp, 4-base plate, 5-impact mechanism, 6-loading platform, 7-impact track, 8-first support frame, 9-second support frame, 10-angle measuring ruler, 11-return force compression track, 12-fixed baffle, 13-plugboard, 14-spring, 15-movable baffle, 16-impact object, 17-adjusting hole, 18-fixed bracket, 19-bolt, 20-groove, 21-object placing table, 22-sensor, 23-impact strength display, 24-heating copper wire mesh, 25-temperature display, 26-conduit, 27-spray head, 28-knob, 29-power switch, 30-box opening, 31-box cover, 32-plastic glove, 33-valve, 34-baffle, 35-object placing rod and 61-loading plate.
Detailed Description
The following specific embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following specific embodiments, and any simple modification, variation and equivalent structural transformation made to the following embodiments according to the technical substance of the present invention still falls within the scope of the technical solution of the present invention.
Examples
According to the above-described aspects, as shown in fig. 1 to 3, an impact resistance testing apparatus for road materials includes a closed test chamber 1, a base plate 4, an impact mechanism 5, a loading platform 6, an environmental simulation member, and the like. The outside of the closed test box 1 is provided with environment simulation components such as a liquid storage container 2, an ultraviolet lamp 3 and the like. The impact mechanism 5 is mounted and fixed on the right side of the base plate 4, and the loading platform 6 is mounted and fixed on the left side of the base plate 4 next to the impact mechanism 5.
As shown in fig. 1, the airtight test box 1 is a cuboid transparent box body made of organic glass, a liquid storage container 2, a conduit 26, a spray head 27, an ultraviolet lamp 3 and a knob 28 are arranged on the upper portion, a power switch 29 is arranged in front of the airtight test box, a box opening 30 capable of being airtight is arranged on the right side of the airtight test box, a box cover 31 is arranged at the box opening 30, two plastic gloves 32 are attached to the inner side of the box cover 31, and the airtight test box is convenient to test.
The liquid storage container 2 is divided into four parts for respectively containing acid, alkali, water and other solvents. One end of the conduit 26 is divided into four sub-conduits which are respectively connected with different solvent parts in the liquid storage container 2, valves 33 are arranged on the four sub-conduits, the other end of the conduit 26 is connected with a spray head 27, and a water outlet of the spray head 27 is positioned in the closed test box 1.
The ultraviolet lamps 3 are arranged in three in total and are arranged in parallel on the inner side of the top wall of the box cover 31 and are positioned above the object placing table 21 and used for irradiating the material test piece to enable the material test piece to be aged by ultraviolet. The ultraviolet lamp 3 is an adjustable gear ultraviolet lamp, the specific model is a Philips brand TUV15W, the gear is controlled through a knob 28, and the knob 28 is arranged on the outer side of the top wall of the box cover 31.
The baffle 34 is arranged on the left side of the base plate 4, and a groove is formed at the joint of the baffle 34 and the base plate 4, so that the impact 16 is blocked by the baffle 34 after rolling materials and falls into the groove, and no rebound occurs. A storage rod 35 for storing the impact object 16 is mounted on the right side of the base plate 4. The base plate 4 is provided with the loading platform 6 and the impact mechanism 5, and both sides of the loading platform 6 are designed into saw-tooth shapes and are used for being spliced with the base plate 4, so that the loading platform 6 is fixed on the base plate 4, and the loading platform 6 is positioned on the left side of the impact mechanism 5.
As shown in fig. 2, the impact mechanism 5 includes an impact rail 7, a first support frame 8, a second support frame 9, an angle measuring scale 10, a return force compression rail 11, a fixed baffle 12, a plug board 13, a spring 14, a moving baffle 15, and an impact object 16. The impact rail 7 is supported by a first support frame 8 and a second support frame 9 which are arranged in parallel, the first support frame 8 is a support frame with a fixed length, and the second support frame 9 is a support frame with an adjustable height. The height of the second supporting frame 9 is higher than that of the first supporting frame 8; the lower part of the second support frame 9 is provided with a plurality of horizontally arranged adjusting holes 17, a fixed bracket 18 is sleeved outside the second support frame 9, the second support frame 9 and the fixed bracket 18 are fixed through bolts 19 and the adjusting holes 17, and the height of the second support frame 9 can be adjusted by inserting the adjusting bolts 19 into the positions of the adjusting holes 17, so that the angle between the impact rail 7 and a horizontal line, namely the impact angle, is adjusted. The angle measuring ruler 10 is fixed on the first supporting frame 8, so that the angle between the impact rail 7 and the horizontal line can be conveniently measured. The return force compression rail 11 is fixed on the front side and the rear side of the impact rail 7, and the fixed baffle 12 is fixed on the right end of the impact rail 7 and is immovable. The impact rail 7 is provided with a plurality of inserting grooves 20, and the inserting plate 13 is fixed with the impact rail 7 by inserting the inserting grooves 20. The movable barrier 15 is mounted on the return compression rail 11 and connected to the fixed barrier 12 by a spring 14, and is movable on the return compression rail 11 by compression and rebound of the spring 14. The scale is marked on one side of the return force compression track 11, so that the compression length of the spring 14, namely the impact force, can be conveniently recorded. The impacting object 16 is a hollow cylinder and is located between the insert plate 13 and the movable baffle 15.
As shown in fig. 4, the loading platform 6 includes a loading plate 61, a loading table 21, a sensor 22, an impact strength display 23, a heating copper wire net 24, and a temperature display 25. The left and right sides of the loading plate 61 are provided with strip-shaped bulges, the longitudinal section of each strip-shaped bulge is triangular, the middle part of the loading plate 61 is provided with a storage table 21, and the bottom of the loading plate 61 is provided with a sensor 22. The sensor 22 is a temperature and pressure integrated sensor, and is specifically provided with a model PT124B-121/121T and is used for testing the impact strength and the temperature of materials, and is arranged at the center and the periphery of the bottom of the object placing table 21. On the loading plate 61, a temperature display 25 and an impact strength display 23 are respectively arranged on the front side and the rear side of the object placing table 21, and the impact strength display 23 is connected with the sensor 22 through a cable and is used for displaying the impact strength value of the material. The heating copper wire mesh 24 is arranged at the lower part of the loading platform 6, specifically below the object placing table 21, and is connected with the temperature display 25 and the power switch 29 through cables. The power switch 29 can be used to switch on the power to heat the copper wire mesh 24, thereby heating the material on the object placing table 21. The temperature display 25 can adjust the temperature and display the real-time temperature of the material.
Referring to fig. 5, the heated copper wire mesh 24 includes a plurality of hot copper wires arranged in parallel.
A device and a method for testing impact resistance of road materials comprise the following steps:
step 1, a material test piece to be tested is placed in the placing table 21, and then the placing table 21 is mounted on the substrate 4. According to the test requirement, the environment simulation component is adjusted, single or composite working conditions are set, the complex environment is simulated, and the durability performance test is carried out. The specific working condition setting mode is as follows:
(1) the liquid storage container 2 respectively holds acid, alkali, water and other solvents, the conduit valve 33 connected with the water container is firstly opened, the conduit 26 is cleaned, the test environment is ensured to be clean, the valve 33 of the sub-conduit 261 is respectively opened or closed, and the solution flows to the spray head 27 through the conduit sub-conduits 261 and 26 and is sprayed on a material test piece, so that strong acid, alkali and rainfall environments are simulated. It should be noted that, when simulating different environments, the catheter needs to be cleaned in advance by water to avoid the pollution of the solution.
(2) The power switch 29 is turned on, the heating copper wire mesh 24 is electrified to generate heat, the temperature of the environment where the material test piece is located is increased, the temperature is regulated through the temperature display 25, and the high-temperature environment is simulated.
(3) The ultraviolet lamps 3 are turned on, the knob 28 is adjusted, the number and the irradiation intensity of the ultraviolet lamps 3 are controlled, and the ultraviolet aging environment is simulated.
Step 2, the height of the second support frame 9 is adjusted while observing the angle displayed on the angle measuring ruler 10 until the required impact angle is adjusted, and the second support frame 9 is fixed on the fixed support 18 by adopting the bolts 19. The impact object 16 with certain mass is selected, and the impact strength is controlled. The impact object 16 is taken off the object placing rod 35, placed between the inserting plate 13 and the movable baffle 15, the spring 14 is compressed until the impact object is compressed to the required impact speed while observing the scales displayed on the return force compression rail 11, and the inserting plate 13 is inserted into the inserting groove 20 on the impact rail 7.
And 3, pulling out the plugboard 13, and smashing the impact object 16 to a material test piece to be tested along the impact track 7, wherein at the moment, accurate data are displayed on the impact strength display 23, so that the impact strength of the material to be tested under the specified impact strength, angle and speed is five strengths including the central impact strength and the edge impact. After the test is completed, the striker 16 falls into the recess of the base plate 4, preventing rebound.
Claims (8)
1. The device for testing the impact resistance of the road material is characterized by comprising a base plate (4), wherein an impact mechanism (5) and a loading platform (6) are arranged on the base plate (4);
the impact mechanism (5) comprises an impact rail (7) which is obliquely arranged, two ends of the impact rail (7) are respectively supported by a first supporting frame (8) and a second supporting frame (9) which are arranged in parallel, wherein a plurality of adjusting holes (17) are formed in the second supporting frame (9), a fixing bracket (18) is sleeved outside the second supporting frame (9), and the second supporting frame (9) and the fixing bracket (18) are fixed through bolts (19) and the adjusting holes (17); a fixed baffle (12), a movable baffle (15) and an inserting plate (13) are sequentially arranged on the impact track (7) from top to bottom; the fixed baffle (12) is fixed on the impact rail (7), the fixed baffle (12) is connected with the movable baffle (15) through a spring (14), an impact object (16) is placed between the inserting plate (13) and the movable baffle (15), a plurality of inserting grooves (20) are formed in the impact rail (7), and the inserting plate (13) is inserted on the impact rail (7) through the inserting grooves (20);
the loading platform (6) comprises a loading plate (61), the loading plate (61) is positioned at the outer side of the lower end of the impact rail (7), the loading plate (61) is provided with a storage table (21), the bottom of the storage table (21) is provided with a plurality of sensors (22), and the sensors (22) are temperature and pressure integrated sensors;
an angle measuring ruler (10) for measuring the included angle between the impact track (7) and the horizontal plane is arranged on the outer side of the impact track (7);
the two sides of the impact track (7) are fixed with a return force compression track (11), and the movable baffle plate (15) is in sliding connection with the return force compression track (11).
2. The device for testing the impact resistance of a road material according to claim 1, wherein the outer side of the return compression rail (11) is marked with graduations.
3. The device for testing the impact resistance of the road material according to claim 1, further comprising a closed test box (1), wherein the base plate (4), the impact mechanism (5) and the loading platform (6) are all arranged in the closed test box (1), a liquid storage container (2) is arranged outside the closed test box (1), the liquid storage container (2) is divided into a plurality of sub-containers which are not communicated with each other, the liquid storage container (2) is connected with a spray head (27) through a guide pipe (26), and the spray head (27) is arranged in the closed test box (1).
4. A device for testing the impact resistance of a road material according to claim 3, wherein the top of the closed test box (1) is provided with an ultraviolet lamp (3), and the ultraviolet lamp (3) is positioned right above the object placing table (21).
5. The device for testing the impact resistance of a road material according to claim 1, wherein the loading plate (61) is provided with an impact strength display (23), and the impact strength display (23) is electrically connected with the sensor (22).
6. The device for testing the impact resistance of the road material according to claim 1, wherein the heating copper wire mesh (24) is arranged at the lower part of the loading plate (61), and the heating copper wire mesh (24) is electrically connected with the temperature display (25) and the power switch (29).
7. The device for testing the impact resistance of the road material according to claim 1, wherein a baffle (34) is fixed on one side of the base plate (4) far away from the fixed baffle (12), and a groove is formed at the joint of the connecting baffle (34) and the base plate (4).
8. A testing method of an impact resistance testing device based on the road material according to claim 1, characterized by comprising the steps of:
step 1, placing a material test piece to be tested in a placement table (21), and then mounting the placement table (21) on a substrate (4); according to the test requirement, adjusting an environment simulation component, and setting a single or composite working condition, wherein the environment simulation component comprises an ultraviolet lamp (3), a liquid storage container (2) and a heating copper wire mesh (24);
step 2, adjusting the height of the second support frame (9) until the impact rail (7) is adjusted to a required impact angle, and then fixing the second support frame (9) on the fixed support frame (18); selecting an impact object (16), placing the impact object (16) between the inserting plate (13) and the movable baffle (15), compressing the spring (14) until the impact object is compressed to a required impact speed, and inserting the inserting plate (13) into the inserting groove (20) on the impact track (7);
and 3, pulling out the plugboard (13), smashing an impact object (16) to a test piece of the material to be tested along the impact track (7), and recording the impact strength of the material to be tested under the specified impact strength, angle and speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626310.9A CN109540706B (en) | 2018-12-28 | 2018-12-28 | Impact resistance testing device and testing method for road material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626310.9A CN109540706B (en) | 2018-12-28 | 2018-12-28 | Impact resistance testing device and testing method for road material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109540706A CN109540706A (en) | 2019-03-29 |
| CN109540706B true CN109540706B (en) | 2023-10-31 |
Family
ID=65857316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811626310.9A Active CN109540706B (en) | 2018-12-28 | 2018-12-28 | Impact resistance testing device and testing method for road material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540706B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588462A (en) * | 2021-08-23 | 2021-11-02 | 中国建材检验认证集团股份有限公司 | Horizontal impact testing machine and testing method for glass impact resistance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1940522A (en) * | 2006-10-12 | 2007-04-04 | 第二炮兵工程设计研究院 | Rotary collision ground shock-wave analog table |
| RU2299417C2 (en) * | 2005-07-12 | 2007-05-20 | Сергей Константинович Илиополов | Mode of evaluation of fatigue of asphalt concrete at cyclical dynamic impacts |
| JP2008286679A (en) * | 2007-05-18 | 2008-11-27 | Japan Pile Corp | Dynamic horizontal loading test method, and dynamic horizontal loading test device for pile |
| CN101556204A (en) * | 2009-05-08 | 2009-10-14 | 江苏科技大学 | Impact test method for restoration characteristics of motorcycle front suspension |
| CN104048885A (en) * | 2014-06-25 | 2014-09-17 | 东北大学 | Pendulum bob type shearing-resistant impact testing machine and testing method thereof |
| CN107748050A (en) * | 2017-10-20 | 2018-03-02 | 广州大冷王测控设备有限公司 | A kind of impact test case for compression shock experiment |
| CN209372605U (en) * | 2018-12-28 | 2019-09-10 | 长安大学 | A kind of impact resistance test device of pavement material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8402811B2 (en) * | 2010-06-26 | 2013-03-26 | Yining Nie | Cyclic impact-sliding fatigue wear testing instrument |
-
2018
- 2018-12-28 CN CN201811626310.9A patent/CN109540706B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2299417C2 (en) * | 2005-07-12 | 2007-05-20 | Сергей Константинович Илиополов | Mode of evaluation of fatigue of asphalt concrete at cyclical dynamic impacts |
| CN1940522A (en) * | 2006-10-12 | 2007-04-04 | 第二炮兵工程设计研究院 | Rotary collision ground shock-wave analog table |
| JP2008286679A (en) * | 2007-05-18 | 2008-11-27 | Japan Pile Corp | Dynamic horizontal loading test method, and dynamic horizontal loading test device for pile |
| CN101556204A (en) * | 2009-05-08 | 2009-10-14 | 江苏科技大学 | Impact test method for restoration characteristics of motorcycle front suspension |
| CN104048885A (en) * | 2014-06-25 | 2014-09-17 | 东北大学 | Pendulum bob type shearing-resistant impact testing machine and testing method thereof |
| CN107748050A (en) * | 2017-10-20 | 2018-03-02 | 广州大冷王测控设备有限公司 | A kind of impact test case for compression shock experiment |
| CN209372605U (en) * | 2018-12-28 | 2019-09-10 | 长安大学 | A kind of impact resistance test device of pavement material |
Non-Patent Citations (1)
| Title |
|---|
| 低热硅酸盐水泥道路混凝土性能的研究;徐俊杰 等;《水泥》;第6-9页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109540706A (en) | 2019-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207799974U (en) | A kind of acceleration of gravity physics facility | |
| JP2008500535A5 (en) | ||
| CN109540706B (en) | Impact resistance testing device and testing method for road material | |
| CN104502259B (en) | The evaluation appts of soil body corrosion stability under a kind of wind erosion, water erosion and coupled erosion | |
| CN111707607A (en) | Friction sensitivity testing device and method | |
| CN209372605U (en) | A kind of impact resistance test device of pavement material | |
| CN212808226U (en) | Smoking machine for heating cigarettes | |
| CN207439667U (en) | Automobile handle durable test device | |
| CN109637294A (en) | Physics experiment teaching demonstrating model | |
| CN207601032U (en) | A kind of fire proofing detection device | |
| CN104502270A (en) | Direct shear apparatus and determination method for determining soil-rib interface friction coefficient | |
| CN201689036U (en) | Salt-mist corrosion tester | |
| CN110274743A (en) | A kind of protuberant guide post impact test device | |
| CN208254678U (en) | A kind of fire plant qualification test multiple point temperature measurement device | |
| CN202770616U (en) | Photovoltaic assembly falling ball testing device | |
| CN212622139U (en) | Friction sensitivity testing device | |
| CN212321335U (en) | High-temperature synchronous system of Hopkinson experimental equipment | |
| US6505499B1 (en) | Puncture resistance in ultra-thin aluminum pressure vessels | |
| CN103048541A (en) | Testing method for conductivity change in service process of grounding material | |
| CN206430997U (en) | Plastic strength test device and system are supported at the beginning of autoclave aerated concrete building block base substrate | |
| CN207908254U (en) | It is a kind of can calibration striking times and monitor height of specimen marshall compaction instrument | |
| CN206353080U (en) | The detection means of piano key cover buffer | |
| CN116858487B (en) | Device and method for testing movement speed of windshield of motor home by air flow impact | |
| CN110006819A (en) | It is a kind of for measuring the device of flexible material style | |
| CN218765609U (en) | Auxiliary spectrum measurement sampling device for light aging box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |