CN109520864A - A kind of integral hydraulic pressure-shear test machine - Google Patents
A kind of integral hydraulic pressure-shear test machine Download PDFInfo
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- CN109520864A CN109520864A CN201910075799.3A CN201910075799A CN109520864A CN 109520864 A CN109520864 A CN 109520864A CN 201910075799 A CN201910075799 A CN 201910075799A CN 109520864 A CN109520864 A CN 109520864A
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 description 11
- 238000011068 loading method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013519 translation Methods 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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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
- G01N2203/0014—Type of force applied
- G01N2203/0026—Combination of several types of applied forces
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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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of integral hydraulic pressure-shear test machines, including testing machine rack, shear plate and to the shear plate apply left and right directions horizontal force horizontal addload mechanism, testing machine rack includes integrally formed pedestal, vertical arm and top arm, pedestal, vertical arm and top arm form the C-shaped configuration facing forward that is open, vertical force load cylinder is provided on pedestal, lower platen is sequentially connected on the piston rod of vertical force load cylinder, top board is provided on top arm, the shear plate is between top board and lower platen.Pass through the integrative design of testing machine rack in the present invention, improve the anti-vertical load ability of testing machine rack, it also avoids simultaneously using such as in the prior art to the higher column of requirement on machining accuracy, for can reducing the cost of manufacture of pressure-shear test machine, especially large-tonnage pressure-shear test machine to a certain extent.
Description
Technical field
The present invention relates to a kind of for carrying out the integral hydraulic pressure-shear test machine of compression-shear test to rubber support.
Background technique
Pressure-shear test machine is mainly used for the compound bar that different types of rridges are board-like, pot rubber bearing carries out resistance to compression, anti-shearing force
Under part, the axial-radial resistance to compression, shearing resistance, corner mechanical test of rubber support are detected.It can carry out the compression elasticity mould of rubber support
Amount, shear modulus allow the angle of shear, the mechanical property tests such as coefficient of friction and compressive ultimate strength.
Existing hydraulic pressure-shear test machine is as shown in Figure 1, the pressure-shear test machine includes vertical loading mechanism and horizontal addload
Mechanism, vertical loading mechanism include testing machine rack, and testing machine rack includes pedestal, stand 5 and crossbeam 4, are arranged on pedestal
There is vertical force to load cylinder 6, is fixed with lower platen 7 on the piston rod of vertical force load cylinder, horizontal addload mechanism includes along right and left
To the guide rail 1 of arrangement, guiding movement is equipped with load trolley 2 on guide rail, loads and is provided with horizontal addload cylinder on trolley 2, horizontal
Shear plate 9 is connected on load cylinder.
When needing to carry out anti-shearing force test to rubber support, two rubber supports 8 are respectively placed in the upper pushing of shear plate 9
Between plate face and crossbeam 4 and lower platen 7, the vertical cylinder that loads applies vertical loading force to rubber support to simulate bridge weight, and load is small
The counter-force portion 3 of roof is against on crossbeam and using crossbeam as reaction frame, applies pulling force, shear plate to shear plate by horizontal addload cylinder
Two rubber supports of upper and lower sides are sheared, are made with simulating the shearing of the afforded bridge of the rubber support in seismic environment
Firmly.Test the anti-shear performance of rubber support in this way, existing this hydraulic pressure-shear test machine there are the problem of: it is existing
Hydraulic pressure-shear test machine be column-type frame, column-type frame is higher to requirement on machining accuracy, and cost of manufacture is higher, resists perpendicular
It is limited to load-carrying ability, especially on large-tonnage pressure-shear test machine (such as 5000 tons or more), it is desirable to the diameter of column
Especially big, this can greatly increase the cost of manufacture of pressure-shear test machine.
Summary of the invention
The purpose of the present invention is to provide a kind of integral hydraulic pressure-shear test machines, to solve the processing of prior art central post
The high problem of required precision.
In order to solve the above technical problems, technical scheme is as follows:
A kind of integral hydraulic pressure-shear test machine, testing machine rack, shear plate and to apply left and right directions to the shear plate horizontal
The horizontal addload mechanism of power, testing machine rack include integrally formed pedestal, vertical arm and top arm, pedestal, vertical arm and top arm
The C-shaped configuration facing forward that is open is formed, vertical force load cylinder is provided on pedestal, is sequentially connected on the piston rod of vertical force load cylinder
There is lower platen, top board is provided on top arm, the shear plate is between top board and lower platen.
Horizontal addload mechanism includes the guide rail extended in left-right direction being set on pedestal, and guiding movement assembles on guide rail
There is load trolley, load trolley has for the counter-force portion with the top arm or the cooperation of vertical arm contact, loads and be arranged on trolley
Have and is sequentially connected with the shear plate to realize that the horizontal force for applying left and right directions horizontal force to the shear plate loads cylinder.
Integral hydraulic pressure-shear test machine further includes the force transmitting board being fixed on the piston rod of the vertical force load cylinder, is passed
It is connected between power plate and the lower platen by horizontal displacement buffer gear, horizontal displacement buffer gear includes upper bulb, lower ball
Head and intermediate force transmission element, upper bulb are fixed on lower platen, and lower bulb is fixed on force transmitting board, the upper end setting of intermediate force transmission element
Have with upper bulb spherical rotation cooperation upper ball groove, the lower end of intermediate force transmission element be provided with lower bulb spherical rotation cooperation under
Ball groove, pressure-shear test machine further include being set to cooperating at left and right sides of lower platen for being oriented in the up-down direction with lower platen
Left side limiting bracket and right side limiting bracket, left side limiting bracket, right side limiting bracket are fixed between top arm and pedestal.
It is provided with realization on the right side of the left side of lower platen, lower platen and with corresponding limiting bracket is in rolling contact cooperation to realize pair
The pressing plate limited roller of lower platen guiding.
The intermediate force transmission element is sheath structure, and upper ball groove is in the inner hole upper end of intermediate force transmission element, during lower ball groove is in
Between force transmission element inner hole lower end.
The invention has the benefit that the testing machine rack in the present invention is the integrally formed C-shaped configuration of monoblock type, erect
It is set on the pedestal of testing machine rack to power load cylinder, top board is then set on the top arm of testing machine rack, C-shaped configuration
The placement and taking-up that open side facilitates staff to carry out rubber support improve examination by the integrative design of testing machine rack
The anti-vertical load ability of machine rack is tested, while being also avoided using such as higher to requirement on machining accuracy vertical in the prior art
Column, for can reducing the cost of manufacture of pressure-shear test machine, especially large-tonnage pressure-shear test machine to a certain extent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of background technique in the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of the present of invention；
Fig. 3 is the cooperation schematic diagram of lower platen and rubber support in the present invention；
Fig. 4 is top board platen in the present invention, platen, shear plate pressing disc and the cooperation signal for pushing disc plate pressure on shear plate
Figure；
Fig. 5 is the structural schematic diagram of horizontal displacement buffer gear in the present invention；
Fig. 6 is the side view of testing machine rack in the present invention.
Specific embodiment
A kind of implementation of integral hydraulic pressure-shear test machine is for example shown in Fig. 1 ~ 6: including testing machine rack 23, testing machine machine
Frame includes integrally formed pedestal 40, vertical arm 6 and top arm 5, and pedestal, vertical arm and top arm form the C-shaped configuration facing forward that is open,
It is provided with vertical force load cylinder 28 on pedestal, is sequentially connected with lower platen 26 on the piston rod of vertical force load cylinder, is set on top arm
It is equipped with top board 14.Integral hydraulic pressure-shear test machine further includes shear plate between top board and lower platen and to shearing
The horizontal addload mechanism of plate application left and right directions horizontal force.
Left side limiting bracket 61 and right side limiting bracket 62, left side limiting bracket, the right side are fixed between top arm 5 and pedestal 40
Side limiting bracket is respectively at the left and right sides of lower platen, and the left and right sides of lower platen 26 and left side limiting bracket, right side limit
Pressing plate limited roller 25 is respectively arranged between bracket, the pivot center of pressing plate limited roller 25 is extended along the longitudinal direction,
The pressing plate limited roller and left side limiting bracket in left side roll guiding cooperation, the pressing plate limited roller and right side limiting bracket on right side
Roll guiding cooperation.It is provided with force transmitting board 27 on the downside of lower platen, it is slow that horizontal displacement is provided between force transmitting board 27 and lower platen
Punch mechanism, the downside of force transmitting board 27 are provided with vertical force load cylinder, and force transmitting board is fixed on the piston rod of vertical force load cylinder 28.
In the present embodiment, horizontal displacement buffer gear includes the upper bulb 29 and and force transmitting board being fixedly connected with lower platen 26
The 27 lower bulbs 31 being fixedly connected, upper bulb 29, lower bulb 31 periphery be arranged with intermediate force transmission element 30, in the present embodiment, in
Between force transmission element be an intermediate power transmission set, the inner hole upper end of intermediate power transmission set is the upper ball groove cooperated with upper bulb sphere-contact
33, the inner hole lower end of intermediate power transmission set is the lower ball groove 32 cooperated with lower bulb sphere-contact.Horizontal addload mechanism includes along a left side
The guide rail 1 that right direction extends, guide rail is fixed on pedestal, and guiding movement is equipped with load trolley 2 on guide rail, and load trolley 2 has
Have for the counter-force portion 4 with the cooperation of the top arm contact of the testing machine rack 23, loads and be provided with horizontal force load cylinder on trolley
3, horizontal force loads the shear plate 7 being connected between top board 14 and lower platen 26 on cylinder 3, horizontal addload cylinder and shear plate
Specific connection relationship be that the connection pin shaft being vertically arranged is provided on horizontal addload cylinder, be provided on shear plate with even
The connected pin shaft connecting hole of outbound axis, the height for connecting pin shaft is higher than the height of pin shaft connecting hole, therefore shear plate opposite can connect
Outbound axis moves up and down, and with rubber support to the upper side transmitting pressure, the connection relationship of horizontal addload cylinder and shear plate belongs to existing
There is technology.In use, horizontal addload cylinder transmits shearing force to rubber support by pulling shear plate, due to depositing for mismatch error
There can be certain crash amount between pressing plate limited roller 25 and testing machine rack, therefore pull shear plate in horizontal addload cylinder
When, lower platen can generate moving to right in range by a small margin, and moving range passes through horizontal displacement buffer gear substantially within 2mm
Presence, then buffered impact of the displacement to vertical force load cylinder well, lower platen with upper bulb 29 towards right translation, in
Between power transmission cover the movement adjustment of 30 adaptability, this displacement will not be applied on force transmitting board, therefore vertical force loads the piston of cylinder
Bar not will receive horizontal applied force, on the one hand can be damaged by horizontal applied force to avoid piston, in addition may be used also for a long time
To guarantee that vertical load cylinder can export accurately vertical loading force to rubber support, because if this horizontal applied force acts on
Onto piston rod, the frictional force between piston rod and the cylinder body of vertical load cylinder will definitely increase, which just will affect perpendicular
The accuracy of vertical loading force is exported to load cylinder.
It is rotatably equipped with the top board platen 13 that pivot center vertically extends on top board 14, turns on lower platen 26
It is dynamic to be equipped with the pushing disc plate pressure 36 that pivot center vertically extends, the upper end rotation of shear plate be provided with for upper pressure
Disc plate pressure cooperation carries out platen 19 on the shear plate of shearing test with the rubber support to upside, and the lower end of shear plate rotates setting
There are the shear plate pressing disc 9 for carrying out shearing test with the rubber support to downside with pushing disc plate pressure cooperation, top board pressure
Platen 19, shear plate pressing disc 9 and pushing disc plate pressure 36 are coaxially set on disk 13, shear plate, on top board platen, shear plate
Platen, shear plate pressing disc and pushing disc plate pressure have the first station and second station of angle of rotation difference 180 degree.In this implementation
In example: being provided with realization on shear plate between platen and shear plate for platen on shear plate and be fixed on the first station and second station
Upper platen fixing bolt 10；Be provided between shear plate pressing disc and shear plate realization by shear plate be fixed on the first station and
The pressing disc fixing bolt 37 of second station.
It is provided with one on lower end surface on top board platen and extends radially to top board platen periphery along top board platen
The top board platen mounting groove 17 in face, on the lower end surface of top board setting there are two in 180 degree distribution for individually with upper pressure
The top board mounting groove 16 that disc plate pressure mounting groove is used cooperatively, be hinged on top board platen positioned at top board platen mounting groove with
Top board platen is limited in the upper limit bar 15 of corresponding station, the articulated shaft of upper limit bar 15 in corresponding top board mounting groove
Line is perpendicular to up and down direction.It is provided on the upper surface of platen on shear plate after being produced for upper limit bar by top board mounting groove
There is the upper limit bar for hand-held force to hold force section for the upper limit bar card slot 18 being caught in, the middle part of upper limit bar.The upper limit
The outer end of position bar protrudes from top board, after upper limit bar turns on upper limit card slot far from one end of top board platen, the upper limit
The circumferential two sides of position bar and the respective side cell wall of upper limit card slot are engaged, on shear plate of dismantling between platen and shear plate
The first fixing bolt of shear plate, staff can hold the middle part of upper limit bar, to drive platen on shear plate, top board
Platen rotates synchronously, and after rotating 180 degree, upper limit bar can be flipped back to top board platen mounting groove and another top board
In mounting groove, top board platen is limited in second station by upper limit bar at this time, will be sheared by the first fixing bolt of shear plate
Platen is fixed on shear plate on plate.
It is provided with one on upper surface on pushing disc plate pressure and extends radially to push disc plate pressure periphery along disc plate pressure is pushed
The pushing disc plate pressure mounting groove 35 in face, on the upper surface of lower platen setting there are two in 180 degree distribution for individually with pushing
The lower platen mounting groove 24 that disc plate pressure mounting groove is used cooperatively, push disc plate pressure on be hinged be located at push disc plate pressure mounting groove with
The lower limit bar 22 that disc plate pressure is limited in corresponding station, the articulated shaft of lower limit bar 22 will be pushed in corresponding lower platen mounting groove
Line is perpendicular to up and down direction.It is provided on the upper surface of shear plate pressing disc after being produced for lower limit bar by lower platen mounting groove
There is the lower limit bar for hand-held force to hold force section for the lower limit bar card slot 20 being caught in, the middle part of lower limit bar.Lower limit
The outer end of position bar protrudes from lower platen, after lower limit bar turns on lower limit card slot far from the one end for pushing disc plate pressure, lower limit
The circumferential two sides of position bar and the respective side cell wall of lower limit card slot are engaged, and dismantle between shear plate pressing disc and shear plate
The second fixing bolt of shear plate 37, staff can hold the middle part of lower limit bar, come drive shear plate pressing disc, push
Disc plate pressure rotates synchronously, and after rotating 180 degree, lower limit bar can be flipped back to and push disc plate pressure mounting groove and another pushing
In plate mounting groove, lower limit bar is limited in second station for disc plate pressure is pushed at this time, will be cut by the second fixing bolt of shear plate
Cutting plate pressing disc is fixed on shear plate.
In use, respectively on top board platen and shear plate between platen, shear plate pressing disc and push disc plate pressure it
Between place rubber support, when testing for the first time, platen on top board platen, shear plate, shear plate pressing disc and push at disc plate pressure
In the first station, top board platen, not being able to rotate for pushing disc plate pressure are realized by upper limit bar and lower limit bar respectively, shearing
Platen, not being able to rotate for shear plate pressing disc then fix spiral shell by the first fixing bolt of shear plate and shear plate second respectively on plate
Bolt is realized, in the present embodiment, there are two the first fixing bolt of shear plate, the second fixing bolt of shear plate are equal, and two shear plates the
One fixing bolt is spaced apart in 180, and two the second fixing bolts of shear plate are spaced apart in 180 degree；Horizontal force loads cylinder and draws
Shear plate is dragged, loads the counter-force portion contact of trolley in testing machine rack, testing machine rack constitutes the reaction frame of load trolley, cuts
Cutting plate applies to corresponding rubber support towards the horizontal direction in right direction with platen on shear plate and shear plate pressing disc to be sheared
Power is realized to the shearing test on one direction of rubber support, and after the test, horizontal force loads cylinder unloading, is downwardly turned over
Upper limit bar is flipped up upper limit bar, and the lower end of upper limit bar snaps onto upper limit bar card slot, the upper end card of lower limit bar
Enter into lower limit bar card slot, corresponding fixing bolt of dismantling, staff can hold the middle part of corresponding gag lever post, just to pushing away
Grinding stone is the same (gag lever post of vertical state is represented by dashed line in Fig. 2, Fig. 4), by platen on top board platen, shear plate, cuts
Cutting plate pressing disc and pushing disc plate pressure rotate 180 degree to second station, then withdraw upper limit bar, lower limit bar, again
Fixing bolt in fixation, on top board platen, shear plate under the drive of platen, shear plate pressing disc and pushing disc plate pressure, rubber
Glue support rotates 180 degree, then loads cylinder by horizontal force and apply drag force to shear plate, although test horizontal force loads cylinder twice
Loading direction there is no variations, but since rubber support itself has rotated 180 degree, rubber support is suffered twice
Shearing force is contrary, realizes to the biaxial loadings in rubber support horizontal direction, is closer to true seismic environment.
In other embodiments of the invention: top board platen, the working position fixation for pushing disc plate pressure can also be realized by bolt；
It counter-force portion can also be with contact on the vertical arm of testing machine rack.
Claims (5)
1. a kind of integral hydraulic pressure-shear test machine, testing machine rack, shear plate and apply left and right directions water to the shear plate
The horizontal addload mechanism of flat power, it is characterised in that: testing machine rack includes integrally formed pedestal, vertical arm and top arm, pedestal,
Vertical arm and top arm form the C-shaped configuration facing forward that is open, and vertical force load cylinder is provided on pedestal, and vertical force loads the piston of cylinder
It is sequentially connected with lower platen on bar, top board is provided on top arm, the shear plate is between top board and lower platen.
2. integral hydraulic pressure-shear test machine according to claim 1, it is characterised in that: horizontal addload mechanism includes setting
It is equipped with load trolley in guiding movement on the guide rail extended in left-right direction on pedestal, guide rail, load trolley, which has, to be used for
The counter-force portion cooperated with the top arm or vertical arm contact loads and is provided on trolley with shear plate transmission connection to realize
The horizontal force for applying left and right directions horizontal force to the shear plate loads cylinder.
3. integral hydraulic pressure-shear test machine according to claim 1, it is characterised in that: integral hydraulic pressure-shear test machine
Further include the force transmitting board being fixed on the piston rod of the vertical force load cylinder, passes through level between force transmitting board and the lower platen
The connection of displacement buffering mechanism, horizontal displacement buffer gear includes upper bulb, lower bulb and intermediate force transmission element, under upper bulb is fixed on
On pressing plate, lower bulb is fixed on force transmitting board, and the upper end of intermediate force transmission element is provided with the upper ball with the cooperation of upper bulb spherical rotation
Slot, the lower end of intermediate force transmission element are provided with the lower ball groove with the cooperation of lower bulb spherical rotation, and pressure-shear test machine further includes being set to
The left side limiting bracket and right side limiting bracket for being used to be oriented to cooperation in the up-down direction with lower platen at left and right sides of lower platen,
Left side limiting bracket, right side limiting bracket are fixed between top arm and pedestal.
4. monoblock type pressure-shear test machine according to claim 3, it is characterised in that: the left side of lower platen, lower platen the right side
Side is provided with realization and is in rolling contact cooperation with corresponding limiting bracket to realize the pressing plate limited roller to lower platen guiding.
5. monoblock type pressure-shear test machine according to claim 3, it is characterised in that: the intermediate force transmission element is body knot
Structure, upper ball groove are in the inner hole upper end of intermediate force transmission element, and lower ball groove is in the inner hole lower end of intermediate force transmission element.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910075799.3A CN109520864A (en) | 2019-01-25 | 2019-01-25 | A kind of integral hydraulic pressure-shear test machine |
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| CN201910075799.3A CN109520864A (en) | 2019-01-25 | 2019-01-25 | A kind of integral hydraulic pressure-shear test machine |
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Cited By (6)
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| CN109827852A (en) * | 2019-04-03 | 2019-05-31 | 河南交通职业技术学院 | A kind of compression shear test device |
| CN109883856A (en) * | 2019-04-03 | 2019-06-14 | 河南交通职业技术学院 | A kind of pressure-shear test machine |
| CN110220795A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure testing machine |
| CN110308049A (en) * | 2019-07-18 | 2019-10-08 | 天水红山试验机有限公司 | Multidimensional loads comprehensive test system |
| CN114459919A (en) * | 2022-03-25 | 2022-05-10 | 山东三越仪器有限公司 | Dynamic compression shear tester device |
| CN115855631A (en) * | 2023-03-03 | 2023-03-28 | 济南永明设备仪器有限公司 | Electro-hydraulic servo press-shear experimental device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109827852A (en) * | 2019-04-03 | 2019-05-31 | 河南交通职业技术学院 | A kind of compression shear test device |
| CN109883856A (en) * | 2019-04-03 | 2019-06-14 | 河南交通职业技术学院 | A kind of pressure-shear test machine |
| CN110220795A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure testing machine |
| CN110220795B (en) * | 2019-06-17 | 2024-05-03 | 河南交通职业技术学院 | Pressure testing machine |
| CN110308049A (en) * | 2019-07-18 | 2019-10-08 | 天水红山试验机有限公司 | Multidimensional loads comprehensive test system |
| CN114459919A (en) * | 2022-03-25 | 2022-05-10 | 山东三越仪器有限公司 | Dynamic compression shear tester device |
| CN115855631A (en) * | 2023-03-03 | 2023-03-28 | 济南永明设备仪器有限公司 | Electro-hydraulic servo press-shear experimental device |
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