CN114354424B - Punching abrasion testing machine - Google Patents
Punching abrasion testing machine Download PDFInfo
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- CN114354424B CN114354424B CN202210008785.1A CN202210008785A CN114354424B CN 114354424 B CN114354424 B CN 114354424B CN 202210008785 A CN202210008785 A CN 202210008785A CN 114354424 B CN114354424 B CN 114354424B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a punching abrasion testing machine, which comprises a bottom plate (1), wherein a front plate (2) is arranged on the bottom plate (1), a horizontal plate (3) is arranged on the front plate (2), a two-dimensional moving platform (4) is arranged on the bottom plate (1), a first bracket (5) and a second bracket (6) are arranged on the two-dimensional moving platform (4), a sensor fixing seat (7) and a bearing seat (8) are arranged at the upper end of the first bracket (5), a rotating shaft (9) is arranged in the sensor fixing seat (7) and the bearing seat (8), a swinging rod (10) is arranged on the rotating shaft (9) through a bearing, a punch mechanism (11) is arranged at the lower end part of the swinging rod (10), a swinging motor (12) is arranged on the second bracket (6), and a poking disc (13) is arranged at the extending end of the swinging motor (12). The invention can simulate the abrasion condition of the material under the composite working condition, monitor the dynamic response and the energy consumption rule of the abrasion interface in the abrasion process, and improve the authenticity and the accuracy of the experiment.
Description
Technical Field
The invention relates to the field of tester equipment, in particular to a punching abrasion tester.
Background
The impact-cutting composite abrasion is the damage of a material interface caused by repeated dynamic contact and impact between two solid surfaces. Impact-shear wear is widely used in people's life and production, such as: the die-cut wearing and tearing can seriously reduce the work efficiency, the precision, the reliability of important spare part in various fields such as aerospace, rail transit, nuclear power, etc. also be the important reason that causes metal material loss and energy consumption, the economic loss that the friction wear brought by die-cut every year can not be measured. The friction and wear can cause the damage and the ineffectiveness destruction of different degrees on the material surface, will lead to mechanical parts to lose efficacy when serious, and at present, current die-cut wear testing machine degree of automation is low, and can only simulate the wearing and tearing condition that the material receives under single operating mode, and in practical application, the condition that spare part faced is comparatively complicated and various, therefore the design of an experimental machine that can simulate multiple complicacy condition has become the urgent difficult problem of solving in industry.
Disclosure of Invention
The invention aims to provide a punching abrasion testing machine. The invention can simulate the abrasion condition of the material under the composite working condition, monitor the dynamic response and the energy consumption rule of the abrasion interface in the abrasion process, and improve the authenticity and the accuracy of the experiment.
The technical scheme of the invention is as follows: the punching wear testing machine comprises a bottom plate, a front plate is arranged on the bottom plate, a horizontal plate is arranged on the front plate, a two-dimensional moving platform is arranged on the bottom plate, a first support and a second support are arranged on the two-dimensional moving platform, a sensor fixing seat and a bearing seat are arranged at the upper end of the first support, a rotating shaft is arranged in the sensor fixing seat and the bearing seat, a swinging rod is arranged on the rotating shaft through a bearing, a punch mechanism is arranged at the lower end part of the swinging rod, a swinging motor is arranged on the second support, a stirring disc is arranged at the extending end of the swinging motor, a stirring column is arranged on the stirring disc, and the stirring column is in contact with the swinging rod; the device comprises a front plate, a linear motor, a sliding rail, a linear sliding block, a transition plate, a pressure sensor, a sample table and a sample clamp, wherein the linear motor is arranged on the front plate; the movable block and the fixed block of the linear motor are provided with grating mechanisms, the lower end of the transition plate is provided with a magnetic grating mechanism, the horizontal plate is provided with a liquid flowing mechanism, the water outlet end of the liquid flowing mechanism is aligned with the sample, and the punch mechanism corresponds to the sample.
In the punching wear testing machine, the two-dimensional moving platform comprises first polished rod supports arranged on two sides of the upper portion of the bottom plate, a first polished rod is arranged between the first polished rod supports on two sides, a first sliding block is arranged on the first polished rod, a first motor and a first belt seat are arranged on the bottom plate, a first belt is arranged at the extending end of the first motor, the first belt bypasses the first belt seat, and a first fixing plate is arranged at the end parts of the first sliding block and the first belt; the second polished rod supports are arranged on two sides of the upper portion of the first fixing plate, the second polished rod supports are arranged between the second polished rod supports on two sides, the second sliding block is arranged on the second polished rod, the second motor and the second belt seat are arranged on the first fixing plate, the second belt is arranged at the extending end of the second motor and bypasses the second belt seat, the second fixing plate is arranged on the end portion of the second belt and the second sliding block, and the first support and the second support are arranged on the second fixing plate.
In the punching abrasion testing machine, the upper end and the lower end of the sample clamp are of an electric heating pipe structure.
In the punching abrasion testing machine, the grating mechanism comprises a first grating fixing plate arranged on the fixing block of the linear motor, one side of the first grating fixing plate is provided with a middle connecting piece, one end of the middle connecting piece is provided with a second grating fixing plate, the second grating fixing plate is provided with a grating reading head, the movable block of the linear motor is provided with a grating base, the grating base is provided with a grating ruler, and the grating reading head is matched with the grating ruler.
In the punching abrasion testing machine, the magnetic grating mechanism comprises a magnetic grating reading head arranged at the lower end of the transition plate, a magnetic grating sensor fixing part is arranged on the bottom plate, a magnetic grating sensor is arranged on the magnetic grating sensor fixing part, two sides of the magnetic grating sensor are connected with the magnetic grating sensor fixing part through bolts, and the magnetic grating reading head is matched with the magnetic grating sensor.
In the punching wear testing machine, the magnetic grid sensor fixing piece is provided with the adjusting groove, and the bolt is arranged in the adjusting groove in a penetrating mode.
In the punching wear testing machine, the liquid flowing mechanism comprises a liquid tank and a water pump which are arranged on the horizontal plate, one side of the liquid tank is provided with a plurality of water valves, one end of each water valve is connected with a water pipe, one end of each water pipe is connected with the water pump, one end of each water pump extends to form a section hose, and the water outlet of each section hose corresponds to the sample.
In the punching abrasion testing machine, the swing rod is provided with the buffer block, and the poking column is in contact with the buffer block.
In the punching abrasion testing machine, the punch mechanism comprises a first plate provided with the lower end part of the swing rod, one end of the first plate is provided with a two-dimensional sensor, one end of the two-dimensional sensor is provided with a second plate, the second plate is provided with a punch, and the punch corresponds to the sample.
Compared with the prior art, the invention has the following advantages:
1. in the invention, a sample is clamped in a sample clamp, a linear motor drives a transition plate and a sample table on the transition plate to reciprocate left and right on a sliding rail, a two-dimensional moving platform drives a swinging rod to displace, a swinging motor drives a stirring column to rotate, the stirring column pushes the swinging rod to lift up a certain angle, the swinging rod falls down freely in the opposite direction and rotates rapidly, a punch mechanism at the lower end part of the swinging rod can impact the sample, a liquid flowing mechanism can wash the sample, and when the two working conditions are operated simultaneously, a grating mechanism and a magnetic grating mechanism can work simultaneously along with the movement of the transition plate, the grating mechanism measures the instantaneous movement speed of the sample, and the magnetic grating mechanism is used for measuring the displacement of the sample; the transition plate is provided with a pressure sensor for measuring the instantaneous pressure of the sample when the sample is impacted, and the punch mechanism is internally provided with a corresponding sensor which can measure the corresponding resilience force and tangential force, so that the change condition of each dynamic process quantity in the punching and wearing process can be monitored and recorded in real time; through setting up liquid flowing mechanism and drift mechanism, the simulation sample receives different operating modes for the simulation effect is better to press close to the real circumstances of meeting of sample material, promotes the authenticity and the accuracy of experiment.
2. The upper end and the lower end of the sample clamp are of an electric heating pipe structure, and heat generated by the electric heating pipe structure can be transferred to a sample, so that sample materials are simulated under the working conditions of different temperatures.
3. The magnetic grating sensor fixing piece on be equipped with the adjustment tank, the bolt wears to establish in the adjustment tank, the magnetic grating reading head can be along with the transition board left and right reciprocating motion, the translation of magnetic grating reading head along the magnetic grating sensor, has certain distance between the two to set up the adjustment tank and can adjust the high position of magnetic grating sensor to adjust the relative position between magnetic grating reading head and the magnetic grating sensor, improve the precision of response.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a two-dimensional mobile platform;
FIG. 3 is a schematic view of a toggle post;
FIG. 4 is a schematic view of a punch mechanism;
fig. 5 is a schematic diagram of a grating mechanism.
Description of the marks in the accompanying drawings: 1-bottom plate, 2-front plate, 3-horizontal plate, 4-two-dimensional moving platform, 5-first bracket, 6-second bracket, 7-sensor fixing seat, 8-bearing seat, 9-rotating shaft, 10-swing rod, 11-punch mechanism, 12-swing motor, 13-toggle disc, 14-toggle column, 15-linear motor, 16-slide rail, 17-linear slide block, 18-transition plate, 19-pressure sensor, 20-sample table, 21-sample clamp, 22-grating mechanism, 23-magnetic grating mechanism, 24-liquid flowing mechanism, 25-buffer block, 401-first polish rod support, 402-first polish rod, 403-first slide block, 404-first motor, 405-first belt seat, 406-first belt, 408-first fixing plate, 409-second polish rod support, 410-second polish rod, 411-second slide block, 412-second motor, 413-second belt support, 414-second belt, 415-second fixing plate, 221-first grating fixing plate, 222-intermediate connector, 223-second grating fixing plate, 224-grating reading head, 225-grating base, 226-grating ruler, 231-magnetic grating reading head, 232-magnetic grating sensor fixing member, 233-magnetic grating sensor, 234-adjusting tank, 241-liquid tank, 242-water pump, 243-water valve, 244-water pipe, 245-section hose, 111-first plate, 112-two-dimensional sensor, 113-second plate, 114-a punch.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples: the punching wear testing machine comprises a bottom plate 1, a front plate 2 is arranged on the bottom plate 1, a horizontal plate 3 is arranged on the front plate 2, a two-dimensional moving platform 4 is arranged on the bottom plate 1, a first bracket 5 and a second bracket 6 are arranged on the two-dimensional moving platform 4, a sensor fixing seat 7 and a bearing seat 8 are arranged at the upper end of the first bracket 5, a rotating shaft 9 is arranged in the sensor fixing seat 7 and the bearing seat 8, a swinging rod 10 is arranged on the rotating shaft 9 through a bearing, a punch mechanism 11 is arranged at the lower end of the swinging rod 10, an angular displacement sensor is arranged at the sensor fixing seat, the rotating shaft is connected with the angular displacement sensor, when the swinging rod rotates, the angular displacement sensor can measure the instantaneous speed of the swinging rod, a swinging motor 12 is arranged on the second bracket 6, a stirring disc 13 is arranged on the extending end of the swinging motor 12, a stirring column 14 is arranged on the stirring disc 13, a buffering block 25 is arranged on the swinging rod 10 in contact with the swinging column 14, the stirring column 14 is in contact with the swinging rod 10, the buffering block 25 is in contact with the stirring column, the intermittent contact friction with the swinging rod is arranged, and the buffering block is capable of reducing the intermittent contact friction between the stirring column and the swinging rod, and the service life of the impact is prolonged; the front plate 2 is provided with a linear motor 15, the front plate 2 is provided with a sliding rail 16, the sliding rail 16 is provided with a linear sliding block 17, the linear sliding block 17 is provided with a transition plate 18, the upper end of the transition plate 18 is connected with a movable block of the linear motor 15, the transition plate 18 is provided with a pressure sensor 19, the pressure sensor 19 is provided with a sample table 20, the sample table 20 is provided with a sample clamp 21 for clamping a sample, the upper end and the lower end of the sample clamp 21 are of an electric heating pipe structure, and heat generated by the electric heating pipe structure is transferred to the sample, so that a sample material is simulated under a high-temperature working condition; the movable block and the fixed block of the linear motor 15 are provided with a grating mechanism 22, the grating mechanism 22 comprises a first grating fixed plate 221 arranged on the fixed block of the linear motor 15, one side of the first grating fixed plate 221 is provided with a middle connecting piece 222, one end of the middle connecting piece 222 is provided with a second grating fixed plate 223, the second grating fixed plate 223 is provided with a grating reading head 224, the movable block of the linear motor 15 is provided with a grating base 225, as shown in fig. 5, the grating base 225 is provided with a grating ruler 226, the grating reading head 224 is matched with the grating ruler 226, the grating reading head is in a fixed state, the grating ruler moves along with the movable block of the linear motor, and the grating reading head displaces within the effective range of the grating ruler to measure the instantaneous movement speed of the sample. The lower extreme of transition board 18 be equipped with magnetic grating mechanism 23, magnetic grating mechanism 23 include the magnetic grating read head 231 that sets up at transition board 18 lower extreme, be equipped with magnetic grating sensor mounting 232 on bottom plate 1, be equipped with magnetic grating sensor 233 on the magnetic grating sensor mounting 232, magnetic grating sensor 233 both sides are connected with magnetic grating sensor mounting 232 through the bolt, magnetic grating read head 231 cooperatees with magnetic grating sensor 233, magnetic grating sensor mounting 232 on be equipped with adjustment tank 234, the bolt wears to establish in adjustment tank 234. The magnetic grating reading head can move in a left-right reciprocating mode along with the transition plate, the magnetic grating reading head moves horizontally along with the magnetic grating sensor, a certain distance is reserved between the magnetic grating reading head and the magnetic grating sensor, and the adjusting groove is arranged to adjust the height position of the magnetic grating sensor, so that the relative position between the magnetic grating reading head and the magnetic grating sensor is adjusted, and the induction accuracy is improved. The horizontal plate 3 is provided with a liquid flowing mechanism 24, the water outlet end of the liquid flowing mechanism 24 is aligned with the sample, and the punch mechanism 11 corresponds to the sample. The liquid flowing mechanism 24 comprises a liquid tank 241 and a water pump 242 which are arranged on the horizontal plate 3, one side of the liquid tank 241 is provided with a plurality of water valves 243, one end of each water valve 243 is connected with a water pipe 244, one end of each water pipe 244 is connected with the corresponding water pump 242, one end of each water pump 242 extends to form a section-shaped hose 245, the water outlet of each section-shaped hose 245 corresponds to a sample, liquid substances such as oil, water and the like are arranged in the liquid tank, the water pump extracts liquid from the liquid tank through the water pipe, finally, the liquid pump shoots the sample through the section-shaped hose, the working condition that the sample material is soaked by different liquids is simulated, and the water valve controls the flow rate of liquid. The punch mechanism 11 comprises a first plate 111 provided with the lower end part of the swing rod 10, one end of the first plate 111 is provided with a two-dimensional sensor 112, one end of the two-dimensional sensor 112 is provided with a second plate 113, and the second plate 113 is provided with a punch 114, as shown in fig. 4, the punch 114 corresponds to a sample, and when the punch impacts the sample, the two-dimensional sensor can receive an impact signal so as to measure the resilience force and tangential force. Through setting up various response measuring mechanism, promote the accuracy of experimental data, obtain sample material result of use under different operating modes through corresponding data. The sensor fixing seat 7 is internally provided with an angular displacement sensor 26, the rotating shaft is arranged in the angular displacement sensor, the motor drives the swing rod to lift upwards by a specified angle, the swing rod is enabled to fall freely by reverse rapid transmission, the angular displacement sensor is used for monitoring the angular velocity and rebound angular velocity of the punch mechanism and the swing rod before and after impacting a tangential motion sample, and then the energy dissipation condition of the punch mechanism and the swing rod before and after punching can be calculated.
The two-dimensional moving platform 4 comprises first polished rod supports 401 arranged on two sides of the upper part of the bottom plate 1, as shown in fig. 2, a first polished rod 402 is arranged between the first polished rod supports 401 on two sides, a first sliding block 403 is arranged on the first polished rod 402, a first motor 404 and a first belt seat 405 are arranged on the bottom plate 1, a first belt 406 is arranged on the extending end of the first motor 404, the first belt 406 bypasses the first belt seat 405, and a first fixing plate 408 is arranged on the ends of the first sliding block 403 and the first belt 406; the two sides of the upper part of the first fixing plate 408 are provided with second polished rod supports 409, a second polished rod 410 is arranged between the second polished rod supports 409 on the two sides, a second sliding block 411 is arranged on the second polished rod 410, a second motor 412 and a second belt seat 413 are arranged on the first fixing plate 408, a second belt 414 is arranged at the extending end of the second motor 412, the second belt 414 bypasses the second belt seat 413, a second fixing plate 415 is arranged on the end part of the second belt 414 and the second sliding block 411, and the first bracket 5 and the second bracket 6 are arranged on the second fixing plate 415. The motor drives the belt to rotate, so that the displacement of the fixed plate is realized, the two-dimensional moving platform can realize the displacement of the punch mechanism in two directions of a plane, and the two-dimensional moving platform is matched with the linear motor to drive the sample clamp to move.
The working principle of the invention is as follows: the sample is clamped in the sample clamp, the linear motor drives the transition plate and a sample table on the transition plate to reciprocate on the sliding rail left and right periodically, the two-dimensional moving platform drives the swinging rod to displace, the swinging motor drives the stirring column to rotate, the stirring column pushes the swinging rod to lift upwards by a certain angle, the swinging rod is enabled to fall freely by reverse rapid rotation, a punch mechanism at the lower end part of the swinging rod can impact a tangentially moving sample, meanwhile, the sample is flushed by the liquid flowing mechanism, and when the two working conditions are operated simultaneously, the grating mechanism and the magnetic grating mechanism can work simultaneously along with the movement of the transition plate, the grating mechanism measures the instantaneous movement speed of the sample, and the magnetic grating mechanism is used for measuring the displacement of the sample; the transition plate is provided with a pressure sensor for measuring the instantaneous pressure of the sample when the sample is punched, and the punch mechanism is internally provided with a corresponding sensor which can measure the corresponding resilience force and tangential force, so that the change condition of each dynamic process quantity in the punching abrasion process can be monitored and recorded in real time; through setting up liquid flowing mechanism and drift mechanism, the simulation sample receives different operating modes for the simulation effect is better to press close to the real circumstances of meeting of sample material, promotes the authenticity and the accuracy of experiment.
Claims (8)
1. The punching wear testing machine comprises a bottom plate (1), wherein a front plate (2) is arranged on the bottom plate (1), and a horizontal plate (3) is arranged on the front plate (2), and is characterized in that: the device is characterized in that a two-dimensional moving platform (4) is arranged on the bottom plate (1), a first support (5) and a second support (6) are arranged on the two-dimensional moving platform (4), a sensor fixing seat (7) and a bearing seat (8) are arranged at the upper end of the first support (5), a rotating shaft (9) is arranged in the sensor fixing seat (7) and the bearing seat (8), a swinging rod (10) is arranged on the rotating shaft (9) through a bearing, a punch mechanism (11) is arranged at the lower end of the swinging rod (10), a swinging motor (12) is arranged on the second support (6), a toggle disc (13) is arranged at the extending end of the swinging motor (12), a toggle column (14) is arranged on the toggle disc (13), and the toggle column (14) is in contact with the swinging rod (10); the device is characterized in that a linear motor (15) is arranged on the front plate (2), a sliding rail (16) is arranged on the front plate (2), a linear sliding block (17) is arranged on the sliding rail (16), a transition plate (18) is arranged on the linear sliding block (17), the upper end of the transition plate (18) is connected with a movable block of the linear motor (15), a pressure sensor (19) is arranged on the transition plate (18), a sample table (20) is arranged on the pressure sensor (19), and a sample clamp (21) for clamping a sample is arranged on the sample table (20); the movable block and the fixed block of the linear motor (15) are provided with a grating mechanism (22), the lower end of the transition plate (18) is provided with a magnetic grating mechanism (23), the horizontal plate (3) is provided with a liquid flowing mechanism (24), the water outlet end of the liquid flowing mechanism (24) is aligned with the sample, and the punch mechanism (11) corresponds to the sample; the two-dimensional moving platform (4) comprises first polished rod supports (401) arranged on two sides of the upper portion of the base plate (1), first polished rods (402) are arranged between the first polished rod supports (401) on two sides, first sliding blocks (403) are arranged on the first polished rods (402), a first motor (404) and a first belt seat (405) are arranged on the base plate (1), a first belt (406) is arranged at the extending end of the first motor (404), the first belt (406) bypasses the first belt seat (405), and a first fixing plate (408) is arranged at the end parts of the first sliding blocks (403) and the first belt (406); second polished rod supports (409) are arranged on two sides of the upper portion of the first fixing plate (408), second polished rod supports (409) on two sides are provided with second polished rods (410), second sliding blocks (411) are arranged on the second polished rods (410), a second motor (412) and a second belt seat (413) are arranged on the first fixing plate (408), a second belt (414) is arranged at the extending end of the second motor (412), the second belt (414) bypasses the second belt seat (413), second fixing plates (415) are arranged on the end portions of the second belt (414) and the second sliding blocks (411), and the first support (5) and the second support (6) are arranged on the second fixing plates (415).
2. The die cut wear testing machine of claim 1, wherein: the upper end and the lower end of the sample clamp (21) are of an electric heating pipe structure.
3. The die cut wear testing machine of claim 1, wherein: the grating mechanism (22) comprises a first grating fixing plate (221) arranged on a fixing block of the linear motor (15), one side of the first grating fixing plate (221) is provided with a middle connecting piece (222), one end of the middle connecting piece (222) is provided with a second grating fixing plate (223), the second grating fixing plate (223) is provided with a grating reading head (224), a grating base (225) is arranged on a movable block of the linear motor (15), a grating ruler (226) is arranged on the grating base (225), and the grating reading head (224) is matched with the grating ruler (226).
4. The die cut wear testing machine of claim 1, wherein: the magnetic grating mechanism (23) comprises a magnetic grating reading head (231) arranged at the lower end of the transition plate (18), a magnetic grating sensor fixing part (232) is arranged on the bottom plate (1), a magnetic grating sensor (233) is arranged on the magnetic grating sensor fixing part (232), two sides of the magnetic grating sensor (233) are connected with the magnetic grating sensor fixing part (232) through bolts, and the magnetic grating reading head (231) is matched with the magnetic grating sensor (233).
5. The die cut wear testing machine of claim 4, wherein: the magnetic grid sensor fixing piece (232) is provided with an adjusting groove (234), and a bolt is arranged in the adjusting groove (234) in a penetrating mode.
6. The die cut wear testing machine of claim 1, wherein: the liquid flowing mechanism (24) comprises a liquid tank (241) and a water pump (242) which are arranged on the horizontal plate (3), one side of the liquid tank (241) is provided with a plurality of water valves (243), one ends of the water valves (243) are connected with water pipes (244), one ends of the water pipes (244) are connected with the water pump (242), one ends of the water pump (242) are extended with a section-shaped hose (245), and water outlets of the section-shaped hoses (245) correspond to the samples.
7. The die cut wear testing machine of claim 1, wherein: the swing rod (10) is provided with a buffer block (25), and the toggle column (14) is contacted with the buffer block (25).
8. The die cut wear testing machine of claim 1, wherein: the punch mechanism (11) comprises a first plate (111) arranged at the lower end part of the swing rod (10), a two-dimensional sensor (112) is arranged at one end of the first plate (111), a second plate (113) is arranged at one end of the two-dimensional sensor (112), a punch (114) is arranged on the second plate (113), and the punch (114) corresponds to the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008785.1A CN114354424B (en) | 2022-01-06 | 2022-01-06 | Punching abrasion testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008785.1A CN114354424B (en) | 2022-01-06 | 2022-01-06 | Punching abrasion testing machine |
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| CN114354424A CN114354424A (en) | 2022-04-15 |
| CN114354424B true CN114354424B (en) | 2023-07-04 |
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| CN202210008785.1A Active CN114354424B (en) | 2022-01-06 | 2022-01-06 | Punching abrasion testing machine |
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| CN116124620B (en) * | 2023-04-10 | 2023-06-27 | 西南交通大学 | Test equipment and test method for pier falling stone impact and water and sand abrasion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897502B (en) * | 2015-07-03 | 2017-08-04 | 西南交通大学 | Impact abrasion testing equipment a little and its test method based on control impact energy |
| CN205138915U (en) * | 2015-11-16 | 2016-04-06 | 浙江理工大学 | Charpy impact fatigue testing machine |
| CN113624516A (en) * | 2017-02-28 | 2021-11-09 | 国际计测器株式会社 | Collision simulation test device and impact test device |
| CN110031351B (en) * | 2019-03-21 | 2020-06-09 | 西南交通大学 | Die-cut wear test device based on control energy |
| CN111413219A (en) * | 2020-05-21 | 2020-07-14 | 上海应用技术大学 | Pendulum impact experiment machine and experiment system |
| CN212764793U (en) * | 2020-08-05 | 2021-03-23 | 杭州万向职业技术学院 | 3D printing device |
| CN113281207B (en) * | 2021-05-12 | 2022-12-13 | 温州大学 | Test device capable of realizing friction and wear behavior research under multiple working conditions |
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