CN112326548A - Abrasion pressure shear testing machine - Google Patents
Abrasion pressure shear testing machine Download PDFInfo
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- CN112326548A CN112326548A CN202011103470.2A CN202011103470A CN112326548A CN 112326548 A CN112326548 A CN 112326548A CN 202011103470 A CN202011103470 A CN 202011103470A CN 112326548 A CN112326548 A CN 112326548A
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- 238000005299 abrasion Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000010008 shearing Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000013016 damping Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 239000002783 friction material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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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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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- 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 at one end of the lower frame, four counter-force frames are fixed at the upper end of the base, cross beams are jointly fixed at the upper ends of the four counter-force frames, one end of the upper frame is fixed on the cross beam, a supporting frame is fixed at one end of the base, and a feeding trolley is arranged on the supporting frame. The horizontal dynamic single shear system adopts the double-rod double-acting servo actuator, the actuator adopts the low-damping large-gap design technology, the good dynamic performance is ensured, and the horizontal dynamic controller adopts a German imported multi-profit controller, so that the control precision is high and the response is fast. The control system takes a full digital electro-hydraulic servo control technology as a core, controls a vertical channel and a horizontal channel, processes data automatically by a computer, has complete supporting facilities, is convenient to use and advanced in structure, and ensures the accuracy of detected data.
Description
Technical Field
The invention relates to the technical field of abrasion pressure shear tests, in particular to an abrasion pressure shear testing machine.
Background
Friction material in practical engineering use, the coefficient of friction is a crucial parameter. A single simple material generally has a determined friction coefficient, but some composite materials or synthetic materials have uncertain friction coefficients, and the measurement is carried out under the simultaneous action of determined vertical pressure and horizontal push-pull force, but the vertical pressure and the horizontal push-pull force have uncontrollable numerical values, so that the detected data are inaccurate, and improvement is needed.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, the numerical value is uncontrollable, so that the detected data is inaccurate, and provides an abrasion compression-shear testing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
an 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 counter-force frames are fixed at the upper end of the base, cross beams are jointly fixed at the upper ends of the four counter-force frames, one end of the upper frame is fixed on the cross beam, a supporting frame is fixed at one end of the base, and a feeding trolley is arranged on the supporting frame;
the improved horizontal shearing 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 hinge is fixed at one end of the horizontal dynamic sensor, a connecting piece is connected to one end of the ball hinge.
Preferably, the limiting device comprises an upper pressing plate, connecting blocks are fixed at two ends of the upper pressing plate, lateral reaction steel guide rails are fixed on one side walls of the four lateral reaction steel guide rails, second sliding blocks are mounted on the lateral reaction steel guide rails, protruding blocks are fixed at one ends of the four second sliding blocks, and the protruding blocks are connected to the connecting blocks through bolts.
Preferably, the mobile device all installs two first sliders including fixing two linear guide on founding the roof beam on two linear guide, and the one end of two first sliders is fixed with the movable plate jointly, it fixes on the movable plate to cut the actuator, it is equipped with connecting plate and baffle to cut to run through on the actuator, the lower extreme of upper ledge is fixed with the hand-drive block, the connection of hand-drive block is on the connecting plate.
Preferably, two sliding rails are jointly fixed on the support frame and the base, four rollers are connected to the feeding trolley, and the four rollers respectively abut against the two sliding rails.
Preferably, four upright posts are fixed at the upper end of the base, and the upper ends of the four upright posts are fixed on the cross beam.
Preferably, one end of the lug is arranged in an inclined mode, one end of the connecting block is abutted to the wedge block, and one end of the wedge block is abutted to one side of the lug.
Compared with the prior art, the invention has the beneficial effects that:
1. the vertical loading frame is composed of the base, the cross beam, the stand column and the counter-force frame, and the vertical actuator is installed on the cross beam to achieve a 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 hinge, the height of the horizontal actuator can be adjusted in an up-and-down stepless mode, and the horizontal loading frame is suitable for tests of samples with different heights.
3. The reaction frame is provided with a rolling guide rail, so that the lateral limit of the upper pressure plate and the reaction force of the horizontal shearing force are ensured, and the vertical piston, the sensor and the upright post are not influenced by the dynamic horizontal force;
in conclusion, the horizontal dynamic single shear system of the device adopts the double-rod double-acting servo actuator, the actuator adopts the low-damping large-gap design technology, good dynamic performance is ensured, and the horizontal dynamic controller adopts a German import multi-benefit controller, so that the control precision is high, and the response is fast. The control system takes a full digital electro-hydraulic servo control technology as a core, controls a vertical channel and a horizontal channel, processes data automatically by a computer, has complete supporting facilities, is convenient to use and advanced in structure, and ensures the accuracy of detected data.
Drawings
FIG. 1 is a schematic structural diagram of an abrasion pressure-shear testing machine according to the present invention;
FIG. 2 is an enlarged view of the A position of the abrasion pressure-shear testing machine provided by the invention;
FIG. 3 is an enlarged view of the point B of the abrasion pressure-shear testing machine according to the present invention;
FIG. 4 is a side view of the abrasion compression shear tester according to the present invention;
fig. 5 is a front view of an abrasion compression shear tester according to the present invention.
In the figure: the device comprises a vertical beam 1, a linear guide rail 2, a movable plate 3, a connecting plate 4, a shearing actuator 5, a lower frame 6, a baffle 7, a lateral 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 cross beam 19, a manual hoist 20, a connecting piece 21, a 22T-shaped plate, 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 block 29.
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.
Referring to fig. 1-5, an abrasion pressure shear testing machine comprises a vertical beam 1, 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 on one end of the lower frame 6, four reaction frames 13 are fixed on the upper end of the base 12, a cross beam 19 is jointly fixed on the upper ends of the four reaction frames 13, a four-upright-column and oil-cylinder upper-mounted host machine structure is adopted, four guide upright plates are installed on two sides of the base 12, so that the whole system forms a self-reaction loading structure, the influence of horizontal shearing force on a vertical load sensor in the testing process is avoided, four upright columns 26 are fixed on the upper end of the base 12, the upper ends of the four upright columns 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 on one end of the base 12, a feeding trolley 14, the feeding trolley 14 is connected with four rollers 16, the four rollers 16 are respectively abutted against two slide rails 15, the rollers 16 drive the feeding trolley 14 to move left and right, the materials are controlled to move to the lower part of the T-shaped plate 22, the materials are pressurized, the vertical actuator 18 and the horizontal dynamic sensor 25 adopt a low-damping large-gap design technology, good dynamic performance is ensured, a control system takes an electro-hydraulic full-digital servo control technology as a core, the vertical and horizontal channels are controlled, and the computer performs full-automatic data processing;
referring to fig. 1, 3 and 4, a vertical actuator 18 is fixed on a cross beam 19, the 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, a vertical sensor 23 is fixed at the end of the piston rod of the vertical actuator 18, the force exerted on the vertical actuator 18 is detected by the vertical sensor 23, an upper pressure plate 24 is fixed at the lower end of the vertical sensor 23, two ends of the upper pressure plate 24 are respectively provided with a limiting device which controls the upper pressure plate 24 to vertically move so as to ensure the lateral limitation of the upper pressure plate 24 and the bearing of the counter force of the horizontal shearing force, ensure that the vertical piston, the sensor and the upright post are not influenced by the dynamic horizontal force, a moving device is arranged on the upright beam 1, a shearing actuator 5 is arranged on the moving device, the moving device controls the shearing actuator 5 to move up and, the test that adapts to not co-altitude sample, shear actuator 5's piston rod end is fixed with horizontal dynamic sensor 25, horizontal dynamic sensor 25 detects the power that shear actuator 5 exerted pressure, horizontal dynamic sensor 25's one end is fixed with the ball hank, the one end of ball hank is connected with connecting piece 21, the one end of connecting piece 21 is fixed with T template 22, T template 22 exerts pressure to the sample of below, support the sample of top, after detecting power, exert vertical pressure to grinding the material directly over and increase to 1000kN from 100kN step by step, totally 10 operating modes, horizontal reciprocating displacement is 20mm, the frequency is 0.03 Hz. And calculating the friction coefficient corresponding to each positive pressure, and calculating the average value.
Referring to fig. 1, 4 and 5, stop device is including fixing at top board 24, top board 24's both ends all are fixed with connecting block 11, the one end of lug 10 sets up for the slope, the one end of connecting block 11 is contradicted there is voussoir 29, the voussoir plays pretension and fixed effect to lug 10, the one end of voussoir 29 is contradicted in one side of lug 10, all be fixed with side direction counter force steel guide rail 8 on four side direction counter force steel guide rail 8's the one end lateral wall, install second slider 9 on the side direction counter force steel guide 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 make things convenient for reciprocating of control top board 24, prevent to receive the influence.
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, a movable plate 3 is jointly fixed to one end of each of the two first sliding blocks 27, the first sliding blocks 27 and the movable plate 3 control the up-down movement of a shearing actuator 5, a double-rod double-acting servo actuator is adopted in the shearing actuator 5 system, the actuator adopts a low-damping large-gap design technology, good dynamic performance is guaranteed, a German import multi-profit controller is adopted in a horizontal dynamic controller, control precision is high, and response is fast. The control system takes a full-digital electro-hydraulic servo control technology as a core, the control system is controlled vertically and horizontally by two channels, the full-automatic data processing of a computer is realized, the supporting facilities are complete, the use is convenient, the structure is advanced, the shearing actuator 5 is fixed on the movable plate 3, the connecting plate 4 and the baffle 7 are arranged on the shearing actuator 5 in a penetrating mode, the lower end of the upper frame 28 is fixed with the hand-operated hoist 20, the hand-operated hoist 20 is connected onto the connecting plate 4, the hand-operated hoist 20 controls the vertical movement of the connecting plate 4, the vertical movement of the shearing actuator 5 is controlled, the height of the horizontal actuator can be adjusted up and down.
In the invention, when the friction coefficient of a friction material is tested, a first part is placed on a feeding trolley 14, another part is placed on a T-shaped plate 22, the feeding trolley 14 sends a material to the lower part of the T-shaped plate 22 through a roller 16 and a slide rail 15, then a manual hoist 20 is controlled to drive a connecting plate 4 to move downwards, the connecting plate 4 drives a shearing actuator 5 to move downwards when moving, 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 contraction of a piston rod, so as to control the sample to horizontally reciprocate, 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 actuator 18 gradually increases the vertical pressure applied to the right above the friction material from 100kN to 1000kN, the total number of the working conditions is 10, the horizontal reciprocating displacement is 20mm, and the frequency is 0.03 Hz.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an wearing and tearing pressure shear test machine, includes found 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 on one end of the lower frame (6), four reaction frames (13) are fixed on the upper end of the base (12), a cross beam (19) is jointly fixed on the upper ends of the four reaction frames (13), one end of the upper frame (28) is fixed on the cross beam (19), a support frame (17) is fixed on one end of the base (12), and a feeding trolley (14) is arranged on the support frame (17);
be fixed with vertical actuator (18) on crossbeam (19), the piston rod end of vertical actuator (18) runs through crossbeam (19) and extends to the lower extreme of crossbeam (19), the piston rod end of vertical actuator (18) is fixed with vertical sensor (23), the lower extreme of vertical sensor (23) is fixed with top board (24), the both ends of top board (24) all are equipped with stop device, be equipped with the mobile device on founding roof beam (1), be equipped with on the mobile device and cut actuator (5), the piston rod end of cutting actuator (5) is fixed with horizontal dynamic sensor (25), the one end of horizontal dynamic sensor (25) is fixed with the ball hank, the one end of ball hank is connected with connecting piece (21), the one end of connecting piece (21) is fixed with T template (22).
2. The abrasion compression shear testing machine according to claim 1, wherein the limiting device comprises an upper pressing plate (24), connecting blocks (11) are fixed at two ends of the upper pressing plate (24), lateral reaction force steel guide rails (8) are fixed on side walls of one ends of four lateral reaction force steel guide rails (8), second sliding blocks (9) are installed on the lateral reaction force steel guide rails (8), protruding blocks (10) are fixed at one ends of the four second sliding blocks (9), and the protruding blocks (10) are connected to the connecting blocks (11) through bolts.
3. The abrasion pressure-shear testing machine according to claim 1, characterized in that 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), a moving plate (3) is jointly fixed at one end of each of the two first sliding blocks (27), 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).
4. The abrasion compression shear testing machine according to claim 1, wherein two sliding rails (15) are jointly fixed on the supporting frame (17) and the base (12), the feeding trolley (14) is connected with four rollers (16), and the four rollers (16) respectively abut against the two sliding rails (15).
5. An abrasion compression shear tester according to claim 1, characterized in that four columns (26) are fixed to the upper end of the base (12), and the upper ends of the four columns (26) are fixed to the cross beam (19).
6. An abrasion compression shear tester according to claim 2, wherein one end of the bump (10) is inclined, one end of the connecting block (11) abuts against the wedge (29), and one end of the wedge (29) abuts against one side of the bump (10).
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN112326548A true CN112326548A (en) | 2021-02-05 |
| CN112326548B 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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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 |
-
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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| CN112326548B (en) | 2024-04-26 |
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