CN112326548B - Abrasion compression shear testing machine - Google Patents
Abrasion compression shear testing machine Download PDFInfo
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- CN112326548B CN112326548B CN202011103470.2A CN202011103470A CN112326548B CN 112326548 B CN112326548 B CN 112326548B CN 202011103470 A CN202011103470 A CN 202011103470A CN 112326548 B CN112326548 B CN 112326548B
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000005299 abrasion Methods 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 title abstract description 12
- 238000007906 compression Methods 0.000 title abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000010008 shearing Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000002783 friction material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- 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 abrasion compression shear testing machine which comprises a vertical beam, wherein an upper frame and a lower frame are respectively fixed on two sides of one end of the vertical beam, a base is fixed on one end of the lower frame, four reaction frames are fixed at the upper end of the base, a cross beam is jointly fixed at the upper ends of the four reaction frames, one end of the upper frame is fixed on the cross beam, a support frame is fixed at one end of the base, and a feeding trolley is arranged on the support frame. The horizontal dynamic single shear system adopts the double-output-rod double-acting servo actuator, the actuator adopts the low-damping large-clearance design technology, the good dynamic performance is ensured, and the horizontal dynamic controller adopts the German inlet multi-benefit controller, so that the control precision is high and the response is quick. The control system takes the full-digital electrohydraulic servo control technology as the core, controls the vertical and horizontal two channels, processes the data automatically by a computer, has perfect supporting facilities, is convenient to use and advanced in structure, and ensures the accuracy of the detection data.
Description
Technical Field
The invention relates to the technical field of abrasion compression shear tests, in particular to an abrasion compression shear test machine.
Background
Friction coefficient is a critical parameter in practical engineering use of friction materials. The single simple material generally has a definite friction coefficient, but some composite materials or composite materials have an uncertain friction coefficient, and then the measurement is carried out under the simultaneous action of definite vertical pressure and horizontal push-pull force, but the vertical pressure and horizontal push force are uncontrollable in value, so that the detected data are inaccurate, and improvement is needed.
Disclosure of Invention
The invention aims to solve the defects of inaccurate detected data caused by uncontrollable values of vertical pressure and horizontal thrust in the prior art, and provides a wear compression shear testing machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The abrasion compression shear testing machine comprises a vertical beam, wherein an upper frame and a lower frame are respectively fixed on two sides of one end of the vertical beam, a base is fixed at one end of the lower frame, four reaction frames are fixed at the upper end of the base, a cross beam is jointly fixed at the upper ends of the four reaction frames, one end of the upper frame is fixed on the cross beam, a support frame is fixed at one end of the base, and a feeding trolley is arranged on the support frame;
The automatic feeding device is characterized in that a vertical actuator is fixed on the cross beam, the tail end of a piston rod of the vertical actuator penetrates through the cross beam and extends to the lower end of the cross beam, a vertical sensor is fixed at the tail end of the piston rod of the vertical actuator, an upper pressing plate is fixed at the lower end of the vertical sensor, limiting devices are arranged at the two ends of the upper pressing plate, a moving device is arranged on the vertical beam, a shearing actuator is arranged on the moving device, a horizontal dynamic sensor is fixed at the tail end of the piston rod of the shearing actuator, a ball winch is fixed at one end of the horizontal dynamic sensor, a connecting piece is connected at one end of the connecting piece, a T-shaped plate is fixed at one end of the connecting piece, two sliding rails are jointly fixed on the supporting frame and the base, four rollers are respectively abutted to the two sliding rails, four upright posts are fixed at the upper end of the base, and the upper ends of the four upright posts are all fixed on the cross beam;
The abrasion pressure shear testing machine according to claim, wherein the limiting device comprises a connecting block fixed on the upper pressing plate, the connecting blocks are fixed at two ends of the upper pressing plate, second sliding blocks are fixed on one end side walls of the four side reaction steel guide rails, protruding blocks are fixed at one ends of the four second sliding blocks, the protruding blocks are connected to the connecting blocks through bolts, one ends of the protruding blocks are obliquely arranged, one ends of the connecting blocks are abutted against wedge blocks, and one ends of the wedge blocks are abutted against one sides of the protruding blocks.
Preferably, the mobile device is including fixing two linear guide on the upright, all installs two first sliders on two linear guide, and the one end of two first sliders is fixed with the movable plate jointly, shearing actuator is fixed on the movable plate, it is equipped with connecting plate and baffle to run through on the shearing actuator, the lower extreme of upper frame is fixed with manual hoist, manual hoist is connected on the connecting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the base, the cross beam, the upright posts and the reaction frame form a vertical loading frame, and the vertical actuator is arranged on the cross beam to realize the vertical loading function.
2. The horizontal loading frame is fixedly connected with the cross beam and the base, the horizontal actuator is connected with the linear guide rail frame through the ball winch, the height of the horizontal actuator can be adjusted up and down in a stepless manner, and the horizontal loading frame is suitable for tests of samples with different heights.
3. The counter-force frame is provided with a rolling guide rail, so that the lateral limit of the upper pressing plate and the counter force bearing the horizontal shearing force are ensured, and the vertical piston, the sensor and the upright post are not influenced by dynamic horizontal force;
In summary, the horizontal dynamic single shear system of the device adopts the double-output-rod double-acting servo actuator, the actuator adopts the low-damping large-clearance design technology, good dynamic performance is ensured, and the horizontal dynamic controller adopts the German inlet multi-benefit controller, so that the control precision is high and the response is quick. The control system takes the full-digital electrohydraulic servo control technology as the core, controls the vertical and horizontal two channels, processes the data automatically by a computer, has perfect supporting facilities, is convenient to use and advanced in structure, and ensures the accuracy of the detection data.
Drawings
Fig. 1 is a schematic structural diagram of a wear compression shear testing machine according to the present invention;
FIG. 2 is an enlarged view of the A position of the abrasion compression shear testing machine according to the present invention;
FIG. 3 is an enlarged view of the B-site of the abrasion press shear testing machine according to the present invention;
FIG. 4 is a side view of a wear compression shear testing machine according to the present invention;
fig. 5 is a front view of a wear compression shear testing machine according to the present invention.
In the figure: the device comprises a vertical beam 1, a linear guide rail 2, a moving plate 3, a connecting plate 4, a shearing actuator 5, a lower frame 6, a baffle 7, a side reaction steel guide rail 8, a second sliding block 9, a convex block 10, a connecting block 11, a base 12, a reaction frame 13, a feeding trolley 14, a sliding rail 15, a roller 16, a supporting frame 17, a vertical actuator 18, a transverse beam 19, a manual hoist 20, a connecting piece 21, a T-shaped plate 22, a vertical sensor 23, an upper pressing plate 24, a horizontal dynamic sensor 25, a vertical column 26, a first sliding block 27, an upper frame 28 and a wedge 29.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a wear compression shear testing machine comprises a vertical beam 1, wherein an upper frame 28 and a lower frame 6 are respectively fixed at two sides of one end of the vertical beam 1, a base 12 is fixed at one end of the lower frame 6, four counter-force frames 13 are fixed at the upper end of the base 12, a cross beam 19 is jointly fixed at the upper ends of the four counter-force frames 13, a four-upright post and cylinder overhead host structure is adopted, four guide upright plates are arranged at two sides of the base 12, the whole system forms a self-reaction force loading structure, the influence of horizontal shearing force on a vertical load sensor is avoided in the test process, four upright posts 26 are fixed at the upper end of the base 12, the upper ends of the four upright posts 26 are all fixed on the cross beam 19, one end of the upper frame 28 is fixed on the cross beam 19, a support frame 17 is fixed at one end of the base 12, a feeding trolley 14 is arranged on the support frame 17, two slide rails 15 are jointly fixed on the support frame 17 and the base 12, four rollers 16 are respectively abutted against the two slide rails 15, the rollers 16 drive the feeding trolley 14 to move leftwards and rightwards, the control the vertical load trolley 14 to move to a full-digital control dynamic force sensor, and a full-digital control system is used for controlling a horizontal dynamic force sensor to realize a full-state gap, and a full-digital control system is used for controlling a full-digital dynamic performance, and a full-digital servo control system is used for a dynamic performance, and a full-digital control channel is realized, and a full-digital control system is realized, and a dynamic performance control performance is realized, and a gap is controlled, and a performance is controlled;
referring to fig. 1, 3 and 4, a vertical actuator 18 is fixed on a beam 19, the tail end of a piston rod of the vertical actuator 18 penetrates through the beam 19 and extends to the lower end of the beam 19, a vertical sensor 23 is fixed at the tail end of the piston rod of the vertical actuator 18, the pressure exerted on the vertical actuator 18 is detected by the vertical sensor 23, an upper pressing plate 24 is fixed at the lower end of the vertical sensor 23, both ends of the upper pressing plate 24 are provided with limiting devices, the limiting devices control the upper pressing plate 24 to vertically move, lateral limitation of the upper pressing plate 24 and the counter force of the horizontal shearing force are ensured, the vertical piston, the sensor and the stand column are not influenced by dynamic horizontal force, a moving device is arranged on the vertical beam 1, a shearing actuator 5 is arranged on the moving device, the moving device controls the shear actuator 5 to move up and down, the height of the sample to be detected can be adjusted up and down in a stepless manner, the device is suitable for tests of samples with different heights, the tail end of a piston rod of the shear actuator 5 is fixedly provided with a horizontal dynamic sensor 25, the horizontal dynamic sensor 25 detects the pressure exerted by the shear actuator 5, one end of the horizontal dynamic sensor 25 is fixedly provided with a ball hinge, one end of the ball hinge is connected with a connecting piece 21, one end of the connecting piece 21 is fixedly provided with a T-shaped plate 22, the T-shaped plate 22 presses the sample below, the sample above is supported, after the force is detected, the vertical pressure exerted right above a grinding material is gradually increased from 100kN to 1000kN, 10 working conditions are provided, the horizontal reciprocating displacement is 20mm, and the frequency is 0.03Hz. And calculating friction coefficients corresponding to the positive pressures, and obtaining an average value.
Referring to fig. 1,4 and 5, the stop device includes the connecting block 11 of fixing on the top board 24, the both ends of top board 24 all are fixed with connecting block 11, the one end of lug 10 is the slope setting, the one end of connecting block 11 is contradicted and is had wedge 29, the wedge plays pretension and fixed effect to lug 10, the one end of wedge 29 is contradicted in one side of lug 10, all be fixed with second slider 9 on the one end lateral reaction steel rail 8, install second slider 9 on the lateral reaction steel rail 8, the one end of four second sliders 9 all is fixed with lug 10, lug 10 passes through bolted connection on connecting block 11, lug 10 and connecting block 11 are fixed firm, thereby the upper board 24's of convenient control reciprocates, prevent the influence of controlling the shearing force.
Referring to fig. 1 and 5, the moving device comprises two linear guide rails 2 fixed on a vertical beam 1, two first sliding blocks 27 are installed on the two linear guide rails 2, one ends of the two first sliding blocks 27 are jointly fixed with a moving plate 3, the first sliding blocks 27 and the moving plate 3 control the shearing actuator 5 to move up and down, the shearing actuator 5 adopts a double-rod double-acting servo actuator, the actuator adopts a low damping large-gap design technology, good dynamic performance is guaranteed, a horizontal dynamic controller adopts a german import multiple controller, and the control precision is high and the response is fast. The control system takes the full-digital electrohydraulic servo control technology as a core, controls the vertical and horizontal directions to two channels, carries out full-automatic data processing on a computer, has perfect supporting facilities, is convenient to use and advanced in structure, the shearing actuator 5 is fixed on the moving plate 3, the connecting plate 4 and the baffle 7 are arranged on the shearing actuator 5 in a penetrating way, the lower end of the upper frame 28 is fixed with the manual hoist 20, the manual hoist 20 is connected on the connecting plate 4, the manual hoist 20 controls the up-and-down movement of the connecting plate 4, thereby controlling the up-and-down movement of the shearing actuator 5, being capable of adjusting the height of the horizontal actuator in an up-and-down stepless way, and adapting to the test of samples with different heights.
In the invention, when the friction coefficient of friction materials is tested, a first part is placed on a feeding trolley 14, the other part is placed on a T-shaped plate 22, at this time, the feeding trolley 14 sends materials to the lower part of the T-shaped plate 22 through a roller 16 and a sliding rail 15, then a hand block 20 is controlled to drive a connecting plate 4 to move downwards, a shearing actuator 5 is driven to move downwards when the connecting plate 4 moves, so that the T-shaped plate 22 presses a sample on the feeding trolley 14, then a vertical actuator 18 controls an upper pressing plate 24 to move downwards, the upper pressing plate 24 presses the sample of the T-shaped plate 22, then the shearing actuator 5 starts to control the shrinkage of a piston rod, so that the horizontal reciprocating movement of the sample is controlled, then the friction coefficient corresponding to each positive pressure is calculated according to the forces detected on a vertical sensor 23 and a horizontal dynamic sensor 25, an average value is obtained, the vertical pressure applied by the vertical actuator 18 to the right above the friction materials is gradually increased from 100kN to 1000kN, 10 working conditions are all the horizontal reciprocating displacement is 20mm, and the frequency is 0.03Hz.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The utility model provides a wearing and tearing press shear test machine, includes upright roof beam (1), its characterized in that: an upper frame (28) and a lower frame (6) are respectively fixed on two sides of one end of the vertical beam (1), a base (12) is fixed at one end of the lower frame (6), four reaction frames (13) are fixed at the upper end of the base (12), a cross beam (19) is jointly fixed at the upper ends of the four reaction frames (13), one end of the upper frame (28) is fixed on the cross beam (19), a supporting frame (17) is fixed at one end of the base (12), and a feeding trolley (14) is arranged on the supporting frame (17);
The vertical actuator (18) is fixed on the cross beam (19), the tail end of a piston rod of the vertical actuator (18) penetrates through the cross beam (19) and extends to the lower end of the cross beam (19), the tail end of the piston rod of the vertical actuator (18) is fixed with a vertical sensor (23), the lower end of the vertical sensor (23) is fixed with an upper pressing plate (24), two ends of the upper pressing plate (24) are respectively provided with a limiting device, the vertical beam (1) is provided with a moving device, the moving device is provided with a shearing actuator (5), the tail end of the piston rod of the shearing actuator (5) is fixed with a horizontal dynamic sensor (25), one end of the horizontal dynamic sensor (25) is fixedly provided with a ball winch, one end of the ball winch is connected with a connecting piece (21), one end of the connecting piece (21) is fixedly provided with a T-shaped plate (22), two sliding rails (15) are jointly fixed on the support frame (17) and the base (12), four rollers (16) are connected on the feeding trolley (14), the four rollers (16) respectively abut against the two sliding rails (15), four upright posts (26) are fixed at the upper end of the base (12), and the upper ends of the four upright posts (26) are all fixed on the cross beam (19);
Stop device is including fixing connecting block (11) on top board (24), the both ends of top board (24) all are fixed with connecting block (11), all are fixed with second slider (9) on the one end lateral wall of four side direction counter-force steel guide rails (8), and the one end of four second sliders (9) all is fixed with lug (10), lug (10) are through bolted connection on connecting block (11), the one end of lug (10) is the slope setting, the one end of connecting block (11) is contradicted and is had voussoir (29), the one end of voussoir (29) is contradicted in one side of lug (10).
2. The abrasion pressure shear testing machine according to claim 1, wherein the moving device comprises two linear guide rails (2) fixed on the vertical beam (1), two first sliding blocks (27) are mounted on the two linear guide rails (2), one ends of the two first sliding blocks (27) are jointly fixed with a moving plate (3), the shearing actuator (5) is fixed on the moving plate (3), a connecting plate (4) and a baffle (7) are arranged on the shearing actuator (5) in a penetrating manner, a manual hoist (20) is fixed at the lower end of the upper frame (28), and the manual hoist (20) is connected to the connecting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103470.2A CN112326548B (en) | 2020-10-15 | 2020-10-15 | Abrasion compression shear testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103470.2A CN112326548B (en) | 2020-10-15 | 2020-10-15 | Abrasion compression shear testing machine |
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| Publication Number | Publication Date |
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| CN112326548A CN112326548A (en) | 2021-02-05 |
| CN112326548B true CN112326548B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011103470.2A Active CN112326548B (en) | 2020-10-15 | 2020-10-15 | Abrasion compression shear testing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202994598U (en) * | 2012-12-31 | 2013-06-12 | 济南天辰试验机制造有限公司 | Microcomputer-controlled electro-hydraulic servo pressure shear tester |
| CN203534808U (en) * | 2013-09-27 | 2014-04-09 | 中交公路长大桥建设国家工程研究中心有限公司 | Device for static and dynamic multifunctional test of supporting seat |
| CN106018097A (en) * | 2016-05-09 | 2016-10-12 | 济南三越测试仪器有限公司 | Microprocessor control electro-hydraulic servo load-shear test machine |
| CN107063994A (en) * | 2017-03-22 | 2017-08-18 | 武汉大学 | A kind of heavily loaded multi-state frictional testing machine |
| CN107607407A (en) * | 2017-10-25 | 2018-01-19 | 北京富力通达科技有限公司 | The pressure-shear test machine of Plumb load and horizontal moving guide rail |
| CN210376093U (en) * | 2019-08-13 | 2020-04-21 | 深圳市宏进科技有限公司 | Adhesive force testing device |
| CN211553613U (en) * | 2020-03-04 | 2020-09-22 | 鲁耿欣 | Bridge beam supports presses and cuts testing machine |
-
2020
- 2020-10-15 CN CN202011103470.2A patent/CN112326548B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202994598U (en) * | 2012-12-31 | 2013-06-12 | 济南天辰试验机制造有限公司 | Microcomputer-controlled electro-hydraulic servo pressure shear tester |
| CN203534808U (en) * | 2013-09-27 | 2014-04-09 | 中交公路长大桥建设国家工程研究中心有限公司 | Device for static and dynamic multifunctional test of supporting seat |
| CN106018097A (en) * | 2016-05-09 | 2016-10-12 | 济南三越测试仪器有限公司 | Microprocessor control electro-hydraulic servo load-shear test machine |
| CN107063994A (en) * | 2017-03-22 | 2017-08-18 | 武汉大学 | A kind of heavily loaded multi-state frictional testing machine |
| CN107607407A (en) * | 2017-10-25 | 2018-01-19 | 北京富力通达科技有限公司 | The pressure-shear test machine of Plumb load and horizontal moving guide rail |
| CN210376093U (en) * | 2019-08-13 | 2020-04-21 | 深圳市宏进科技有限公司 | Adhesive force testing device |
| CN211553613U (en) * | 2020-03-04 | 2020-09-22 | 鲁耿欣 | Bridge beam supports presses and cuts testing machine |
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| CN112326548A (en) | 2021-02-05 |
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