CN114778334B - Impact-resistant material performance treatment device and use method thereof - Google Patents
Impact-resistant material performance treatment device and use method thereof Download PDFInfo
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- CN114778334B CN114778334B CN202210397837.9A CN202210397837A CN114778334B CN 114778334 B CN114778334 B CN 114778334B CN 202210397837 A CN202210397837 A CN 202210397837A CN 114778334 B CN114778334 B CN 114778334B
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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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0039—Hammer or pendulum
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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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
Abstract
The invention discloses an impact-resistant material performance treatment device and a use method thereof, belonging to the technical field of performance treatment devices, and comprising a first support leg, wherein the top end of the first support leg is connected with a support plate, two ends of the support plate are symmetrically provided with first L-shaped connecting plates, two first L-shaped connecting plates are symmetrically provided with fixing cylinders, the fixing cylinders are connected with a second L-shaped connecting plate in a sliding manner, the bottom of the second L-shaped connecting plate is provided with a third L-shaped connecting plate, the inner side of the third L-shaped connecting plate is provided with a fixing block, the fixing block is provided with a clamping plate, the bottoms of the two first L-shaped connecting plates are also connected with a working plate, the working plate is also provided with an experiment adjusting mechanism, the top of the clamping plate is provided with a slot, and the slot is rotatably connected with a first protection mechanism; the experiment adjusting mechanism provided by the invention can perform experiment comparison from different heights, can perform comparison between the two impact hammers, and can perform impact experiments on different positions of a concrete sample, so that the experimental data are more complete, the contingency is reduced, and the accuracy of the data is improved.
Description
Technical Field
The invention belongs to the technical field of performance processing devices, and particularly relates to a device for processing the performance of an impact-resistant material and a using method thereof.
Background
The aim of testing the shock resistance of the bridge expansion joint concrete is to verify whether the impact effect is one of the direct reasons for the damage of the bridge expansion joint concrete, the test on the shock resistance of the concrete is usually to drop an impact hammer from a high place, and after multiple times of impacts are carried out on a concrete test piece, the change of the test piece is observed, so that the quality of the shock resistance of the bridge expansion joint concrete is judged, the existing shock resistance test completely uses manual operation, the impact hammer is lifted at the labor cost and then dropped, and due to the different weights of the impact hammers, the operation of experimenters is labored, the test efficiency is low, and potential safety hazards exist, so that time and labor are wasted; meanwhile, most of the experiments are single experiments, and no experimental data is compared, so that the result of the performance test is not accurate enough.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an impact-resistant material performance processing device and a using method thereof, and the device is provided with an experiment adjusting mechanism to solve the problems of single experiment data and inaccurate test result.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a be used for type of shocking resistance material property processing apparatus, includes first supporting leg, the top of first supporting leg is connected with the backup pad, the both ends symmetry of backup pad is equipped with even board of first L shape, two the symmetry is equipped with solid fixed cylinder on even board of first L shape, sliding connection has even board of second L shape in the solid fixed cylinder, the bottom that the board was even to second L shape is equipped with even board of third L shape, the inboard that the board was even to third L shape is equipped with the fixed block, be equipped with splint, two on the fixed block the bottom that the board was even to first L shape still is connected with the working plate, the bottom of working plate is equipped with the second supporting leg, splint are located the working plate, still be equipped with experiment adjustment mechanism on the working plate, the top of splint is equipped with the fluting, it is connected with first protection machanism to rotate on the fluting.
Further, still be equipped with an automatically controlled cylinder in the backup pad, the output fixedly connected with slide of automatically controlled cylinder, sliding connection has two slide drums on the slide, one side activity of slide drum is equipped with first connecting plate, the end and the second L shape of first connecting plate link board swing joint, the opposite side of slide drum is equipped with the second connecting plate, the end and the first L shape of second connecting plate link board swing joint.
Further, experiment adjustment mechanism includes the support column of scalable regulation, be equipped with second protection machanism on one side that the support column is close to splint, the top of support column is equipped with first mounting panel, be equipped with the fixed slot on the first mounting panel, be equipped with the screw thread post in the fixed slot, the one end of screw thread post is equipped with a driving motor, the other end and the fixed slot inner wall connection of screw thread post, the cooperation has the installation piece on the screw thread post, installation piece and fixed slot sliding connection. .
Further, the bottom of installation piece is rotated and is connected with a mounting groove, be equipped with the rotation post in the mounting groove, the one end of rotating the post is equipped with second driving motor, the symmetry is equipped with first thread groove and the second thread groove that screw thread opposite direction on the rotation post, the cooperation has first slider on the first thread groove, be equipped with the second slider on the second thread groove, and first slider and second slider all with mounting groove sliding connection, the bottom of first slider is equipped with the fixed column, the bottom of second slider is equipped with first automatically controlled flexible post, all be equipped with the controller on fixed column and the first automatically controlled flexible post, be equipped with the jump bit on the controller.
Furthermore, first protection machanism includes first guard plate, the inboard lower half end of first guard plate is equipped with the electro-magnet with the fluting actuation, the inboard upper half end of first guard plate is equipped with a plurality of first buffer spring, first buffer spring's top is connected with first anticollision board.
Furthermore, the second protection mechanism comprises a second electric control telescopic column connected with the support column, the top end of the second electric control telescopic column is connected with a second protection plate, a plurality of second buffer springs are arranged on the second protection plate, and a second anti-collision plate is arranged on the top end of each second buffer spring.
A use method of the device for processing the impact-resistant material performance comprises the following steps:
the method comprises the following steps: the test piece is fixed, the distance between the two clamping plates is adjusted through the mutual matching of the driving of the electric control cylinder and other components, and the concrete test piece is clamped and fixed;
step two: setting a protection mechanism, and arranging a first protection mechanism and a second protection mechanism around the concrete sample;
step three: the impact experiment is carried out, the heights of the two impact hammers are adjusted by adjusting the heights of the support columns and controlling the telescopic amount of the first electric control telescopic column, so that the experiment comparison is convenient, and the positions of the two impact hammers are adjusted by adjusting the threaded columns and the rotating columns, so that the impact experiment is carried out on different parts of the concrete sample;
step four: and disassembling the protection mechanism, and after the experiment is completed, returning the first protection mechanism and the second protection mechanism to the initial state and replacing the test piece.
The invention has the beneficial effects that:
1. the invention can fix the concrete test piece through the clamping plate, avoids the movement of the concrete test piece during the performance test, can fix the concrete test pieces with different sizes through the matching of the electric control cylinder and other parts, and is safe and convenient to use.
2. The protection mechanism can protect the impact test, and safety accidents in the impact test are reduced.
3. The experiment adjusting mechanism provided by the invention can perform experiment comparison from different heights, can perform comparison between the two impact hammers, and can perform impact experiments on different positions of a concrete sample, so that the experimental data are more complete, the contingency is reduced, and the accuracy of the data is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure on the support plate;
FIG. 3 is a schematic structural view of an experimental adjustment mechanism;
FIG. 4 is a schematic view of the structure on the mounting groove;
FIG. 5 is a schematic structural view of a first guard mechanism;
fig. 6 is a structural schematic diagram of the second guard mechanism.
The reference numbers in the figures illustrate:
1. a first support leg; 2. a support plate; 201. a first L-shaped link plate; 202. a fixed cylinder; 203. a second L-shaped connecting plate; 204. a third L-shaped connecting plate; 205. a fixed block; 206. a splint; 207. a working plate; 208. an electric control cylinder; 209. a slide plate; 210. a slide cylinder; 211. a first connecting plate; 212. a second connecting plate; 213. grooving; 3. an experiment adjusting mechanism; 301. a support column; 302. a first mounting plate; 303. fixing grooves; 304. a threaded post; 305. a first drive motor; 306. mounting a block; 307. mounting grooves; 308. rotating the column; 309. a second drive motor; 310. a first screw groove; 311. a second screw groove; 312. a first slider; 313. a second slider; 314. fixing a column; 315. a first electrically controlled telescopic column; 316. a controller; 317. an impact hammer; 4. a first guard mechanism; 401. a first guard plate; 402. an electromagnet; 403. a first buffer spring; 404. a first fender panel; 5. a second guard mechanism; 501. a second electrically controlled telescopic column; 502. a second guard plate; 503. a second buffer spring; 504. a second fender panel; 6. a second support leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.
A device for processing impact-resistant material performance is disclosed, as shown in fig. 1 and fig. 2, and comprises a first support leg 1, a support plate 2 is connected to the top end of the first support leg 1, first L-shaped connecting plates 201 are symmetrically arranged at the two ends of the support plate 2, fixing cylinders 202 are symmetrically arranged on the two first L-shaped connecting plates 201, a second L-shaped connecting plate 203 is connected in the fixing cylinders 202 in a sliding manner, a third L-shaped connecting plate 204 is arranged at the bottom of the second L-shaped connecting plate 203, a fixing block 205 is arranged at the inner side of the third L-shaped connecting plate 204, a clamping plate 206 is arranged on the fixing block 205, a working plate 207 is further connected to the bottoms of the two first L-shaped connecting plates 201, a second L-shaped connecting plate 6 is arranged at the bottom of the working plate 207, the clamping plate 206 is positioned on the working plate 207, an experiment adjusting mechanism 3 is further arranged on the working plate 207, an electric control slot 213 is arranged at the top of the clamping plate 206, a first protection mechanism 4 is rotatably connected to the slot 213, an air cylinder 208 is further arranged on the support plate 2, the output end of the electric control cylinder 208 is fixedly connected with a sliding plate 209, the sliding plate 209 is connected with two sliding cylinders 210 in a sliding manner, one side of each sliding cylinder 210 is movably provided with a first connecting plate 211, the tail end of each first connecting plate 211 is movably connected with a second L-shaped connecting plate 203, the other side of each sliding cylinder 210 is provided with a second connecting plate 212, the tail end of each second connecting plate 212 is movably connected with the first L-shaped connecting plate 201, the clamping plates 206 can clamp and fix concrete samples to avoid movement caused by impact during experiments, the distance between the two clamping plates 206 can be adjusted through the cooperation of the electric control cylinder 208 and other parts to facilitate clamping and fixing of the concrete samples with different sizes, the experiment adjusting mechanism 3 can control the impact hammers 317 to impact the samples to facilitate experiments, the first protecting mechanism 4 is arranged to protect two sides of the concrete samples to avoid the impact hammers 317 from falling and casualty injury to experimenters caused by contact with the samples, the safety is increased.
As shown in fig. 3 and 4, the experiment adjusting mechanism 3 includes a supporting column 301 capable of being adjusted in a telescopic manner, a second protection mechanism 5 is arranged on one side of the supporting column 301 close to the clamping plate 206, a first mounting plate 302 is arranged at the top end of the supporting column 301, a fixing groove 303 is arranged on the first mounting plate 302, a threaded column 304 is arranged in the fixing groove 303, a first driving motor 305 is arranged at one end of the threaded column 304, the other end of the threaded column 304 is connected with the inner wall of the fixing groove 303, an installing block 306 is matched on the threaded column 304, and the installing block 306 is connected with the fixing groove 303 in a sliding manner. The height of the supporting column 301 can be adjusted, so that the height of the impact hammer 317 can be conveniently controlled, the threaded column 304 can be driven to rotate by the rotation of the first driving motor 305, the position of the mounting block 306 can be adjusted, and impact experiments can be conveniently carried out on different positions of a concrete test piece. The bottom of the mounting block 306 is rotatably connected with a mounting groove 307, the mounting groove 307 is movably connected with the bottom of the mounting block 306 and can rotate, the position directions of two impact hammers 317 are convenient to adjust, experiment comparison is convenient, a rotating column 308 is arranged in the mounting groove 307, one end of the rotating column 308 is provided with a second driving motor 309, a first screw groove 310 and a second screw groove 311 which are opposite in thread direction are symmetrically arranged on the rotating column 308, a first sliding block 312 is matched on the first screw groove 310, a second sliding block 313 is arranged on the second screw groove 311, the first sliding block 312 and the second sliding block 313 are both in sliding connection with the mounting groove 307, a fixed column 314 is arranged at the bottom of the first sliding block 312, a first electric control telescopic column 315 is arranged at the bottom of the second sliding block 313, a controller 316 is arranged on the fixed column 314 and the first electric control telescopic column 315, the impact hammers 317 are arranged on the controller 316, the two sliding blocks can be adjusted in position through the second driving motor 309, impact can be further performed on different positions of a concrete test piece, the fixed column 314 can be compared with the first electric control telescopic column 315, the impact weight can be observed, the impact weight of different falling heights can be changed, and the impact hammers 317 can be increased according to the accuracy required to be tested.
As shown in fig. 5 and 6, the first protection mechanism 4 includes a first protection plate 401, the lower half end of the inner side of the first protection plate 401 is provided with an electromagnet 402 which is attracted to the slot 213, the upper half end of the inner side of the first protection plate 401 is provided with a plurality of first buffer springs 403, the top ends of the first buffer springs 403 are connected with a first anti-collision plate 404, the second protection mechanism 5 includes a second electrically controlled telescopic column 501 which is connected with the support column 301, the top end of the second electrically controlled telescopic column 501 is connected with a second protection plate 502, the second protection plate 502 is provided with a plurality of second buffer springs 503, the top end of the second buffer spring 503 is provided with a second anti-collision plate 504, the electromagnet 402 can be electrically attracted to the slot 213, so as to increase stability, the provided protection plate can block and protect during an experiment, fragments can be prevented from hurting people during impact, the buffer springs and the anti-collision plates are matched, so as to reduce the buffer force of an impact hammer and other fragments, the fragments can be well retained between the two clamp plates 206, so as to facilitate later collection of the concrete samples, the first protection plate 401 is rotatably connected with the slot 213, and the concrete samples can not be retracted too high in the early stage, and the concrete sample collection of the test samples can not be conveniently placed in the later stage.
When the device is used, a concrete test piece is conveyed to the working plate 207, then the electric control air cylinder 208 is driven to stretch and retract to drive the sliding plate 209 to move, the sliding cylinder 210 is in sliding connection with the sliding plate 209, the second L-shaped connecting plate 203 is driven to move on the fixed cylinder 202 through matching with the first connecting plate 211 and the second connecting plate 212, so that the distance between the two clamping plates 206 is adjusted, the concrete test piece is clamped and fixed, after the fixing is completed, the first protection plate 401 of the first protection mechanism 4 is erected from the groove 213, after the power is on, the first protection plate is sucked and fixed through the electromagnet 402, then the second electric control telescopic column 501 stretches and retracts, the second protection plate 502 of the second protection mechanism 5 is attached to the two ends of the clamping plates 206 to form a protection space, then an impact test is carried out, and during the impact test, the impact hammers 317 are respectively placed at the bottom ends of the fixed column 314 and the first electric control telescopic column 315, the height of the supporting column 301 can be adjusted as required, the telescopic amount of the first electric control telescopic column 315 is controlled, the height of the two impact hammers 317 is controlled, then the two impact hammers 317 are simultaneously dropped through the controller 316, impact experiments are carried out on the surface of a concrete sample, comparison is convenient, in addition, in order to avoid contingency, the positions of the impact hammers 317 can be adjusted through adjusting the threaded columns 304 and the rotating columns 308, the impact experiments are carried out on different positions of the concrete sample, the experimental data can be more accurate, data observation and recording are carried out once each experiment, after the experiment is finished, the first protection mechanism 4 and the second protection mechanism 5 are removed, and therefore the concrete sample is replaced to be subjected to next experiment.
To sum up, the use method of the impact-resistant material property treatment device mainly comprises the following steps:
the method comprises the following steps: fixing a test piece; the distance between the two clamping plates 206 is adjusted through the mutual matching of the driving of the electric control cylinder 208 and other components, so that the concrete sample is clamped and fixed;
step two: setting a protection mechanism, and arranging a first protection mechanism 4 and a second protection mechanism 5 around the concrete test piece;
step three: in the impact experiment, the heights of the support columns 301 are adjusted, the expansion amount of the first electric control expansion column 315 is controlled, the heights of the two impact hammers 317 are adjusted, experiment comparison is facilitated, the positions of the two impact hammers 317 can be adjusted by adjusting the threaded columns 304 and the rotating columns 308, and the impact experiment is performed on different parts of the concrete sample;
step four: and (5) disassembling the protection mechanism, and after the experiment is completed, returning the first protection mechanism 4 and the second protection mechanism 5 to the initial state and replacing the test piece.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a be used for anti impact type material performance processing apparatus, includes first supporting leg (1), its characterized in that, the top of first supporting leg (1) is connected with backup pad (2), the both ends symmetry of backup pad (2) is equipped with first L shape even board (201), and two symmetry is equipped with solid fixed cylinder (202) on first L shape even board (201), sliding connection has second L shape even board (203) in solid fixed cylinder (202), the bottom of second L shape even board (203) is equipped with third L shape even board (204), the inboard of third L shape even board (204) is equipped with fixed block (205), be equipped with splint (206) on fixed block (205), two the bottom of first L shape even board (201) still is connected with work board (207), the bottom of work board (207) is equipped with second L shape even board (6), splint (206) are located work board (207), still be equipped with supporting leg experiment adjustment mechanism (3) on work board (207), the top of splint (206) is equipped with working plate (213), fluting protection mechanism (213) is gone up to rotation protection mechanism (4);
the experiment adjusting mechanism (3) comprises a supporting column (301) capable of being adjusted in a telescopic mode, a second protection mechanism (5) is arranged on one side, close to the clamping plate (206), of the supporting column (301), a first mounting plate (302) is arranged at the top end of the supporting column (301), a fixing groove (303) is formed in the first mounting plate (302), a threaded column (304) is arranged in the fixing groove (303), a first driving motor (305) is arranged at one end of the threaded column (304), the other end of the threaded column (304) is connected with the inner wall of the fixing groove (303), an installing block (306) is matched on the threaded column (304), and the installing block (306) is connected with the fixing groove (303) in a sliding mode;
the bottom of the mounting block (306) is rotatably connected with a mounting groove (307), a rotating column (308) is arranged in the mounting groove (307), a second driving motor (309) is arranged at one end of the rotating column (308), a first screw groove (310) and a second screw groove (311) which are opposite in thread direction are symmetrically arranged on the rotating column (308), a first sliding block (312) is matched on the first screw groove (310), a second sliding block (313) is arranged on the second screw groove (311), the first sliding block (312) and the second sliding block (313) are both in sliding connection with the mounting groove (307), a fixing column (314) is arranged at the bottom of the first sliding block (312), a first electric control telescopic column (315) is arranged at the bottom of the second sliding block (313), controllers (316) are arranged on the fixing column (314) and the first electric control telescopic column (315), and impact hammers (317) are arranged on the controllers (316).
2. The impact-resistant material performance processing device according to claim 1, wherein an electric control cylinder (208) is further arranged on the support plate (2), a sliding plate (209) is fixedly connected to an output end of the electric control cylinder (208), two sliding cylinders (210) are slidably connected to the sliding plate (209), a first connecting plate (211) is movably arranged on one side of each sliding cylinder (210), a tail end of the first connecting plate (211) is movably connected with the second L-shaped connecting plate (203), a second connecting plate (212) is arranged on the other side of each sliding cylinder (210), and a tail end of the second connecting plate (212) is movably connected with the first L-shaped connecting plate (201).
3. The device for processing the impact-resistant material performance is characterized in that the first protection mechanism (4) comprises a first protection plate (401), an electromagnet (402) attracted with the notch (213) is arranged at the lower half end of the inner side of the first protection plate (401), a plurality of first buffer springs (403) are arranged at the upper half end of the inner side of the first protection plate (401), and a first anti-collision plate (404) is connected to the top ends of the first buffer springs (403).
4. The impact-resistant material performance processing device according to claim 3, wherein the second protection mechanism (5) comprises a second electrically-controlled telescopic column (501) connected with a support column (301), a second protection plate (502) is connected to the top end of the second electrically-controlled telescopic column (501), a plurality of second buffer springs (503) are arranged on the second protection plate (502), and a second anti-collision plate (504) is arranged on the top end of the second buffer springs (503).
5. A use method for an impact-resistant material property processing device, which is applied to the impact-resistant material property processing device as claimed in any one of claims 2 to 4, and is characterized by comprising the following steps:
the method comprises the following steps: the test piece is fixed, and the distance between the two clamping plates (206) is adjusted through the mutual matching of the driving of the electric control cylinder (208) and other components, so that the concrete test piece is clamped and fixed;
step two: setting a protection mechanism, and arranging a first protection mechanism (4) and a second protection mechanism (5) around the concrete test piece;
step three: the method comprises the steps of impact experiment, wherein the height of a support column (301) is adjusted, the telescopic amount of a first electric control telescopic column (315) is controlled, the heights of two impact hammers (317) are adjusted, experiment comparison is convenient to conduct, the positions of the two impact hammers (317) can be adjusted by adjusting a threaded column (304) and a rotating column (308), and impact experiments are conducted on different parts of a concrete sample;
step four: and disassembling the protection mechanism, and after the experiment is completed, returning the first protection mechanism (4) and the second protection mechanism (5) to the initial state and replacing the test piece.
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| CN202210397837.9A CN114778334B (en) | 2022-04-15 | 2022-04-15 | Impact-resistant material performance treatment device and use method thereof |
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| WO2013143145A1 (en) * | 2012-03-31 | 2013-10-03 | 中国矿业大学(北京) | Dynamics performance testing system |
| CN210376015U (en) * | 2019-06-12 | 2020-04-21 | 湖北丰日管业有限公司 | Drop hammer impact testing machine for pipe production |
| CN110411867A (en) * | 2019-08-02 | 2019-11-05 | 郑州大学 | A kind of novel and multifunctional concussion fracture experimental rig and application method |
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