CN209400333U - Double-hydraulic power pressure-shear test machine - Google Patents
Double-hydraulic power pressure-shear test machine Download PDFInfo
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- CN209400333U CN209400333U CN201920132811.5U CN201920132811U CN209400333U CN 209400333 U CN209400333 U CN 209400333U CN 201920132811 U CN201920132811 U CN 201920132811U CN 209400333 U CN209400333 U CN 209400333U
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Abstract
The utility model relates to a kind of Double-hydraulic power pressure-shear test machines, including vertical loading mechanism and horizontal addload mechanism, horizontal addload mechanism includes shear plate and loads cylinder to the horizontal force of shear plate output level direction active force, vertical force load cylinder includes the vertical force load cylinder that the lower platen being used cooperatively with shear plate and pushing the back down export vertical active force, Double-hydraulic power pressure-shear test machine further includes the oil supply system that cylinder and vertical force load oil supply cylinder are loaded to horizontal force, oil supply system includes fuel tank, horizontal force loads oil supply cylinder oil circuit and vertical force loads oil supply cylinder oil circuit, horizontal force loads oil supply cylinder oil circuit, vertical force load oil supply cylinder oil circuit includes the fuel feeding branch of two parallel arrangements being connected with fuel tank, one of fuel feeding branch road is provided with high-pressure low-flow hydraulic pump, another fuel feeding branch road is provided with low pressure and mass flow liquid Press pump and check valve.The utility model provides a kind of Double-hydraulic power pressure-shear test machine that can be reduced oil and can be lost.
Description
Technical field
The utility model relates to a kind of for carrying out the Double-hydraulic power 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 vertical load bracket, and the vertical bracket that loads includes pedestal, column 5 and crossbeam 4, on pedestal
It is provided with vertical load cylinder 6, horizontal addload mechanism includes the guide rail 1 arranged in left-right direction, and guiding movement is equipped on guide rail
Trolley 2 is loaded, loads and is provided with horizontal force load cylinder on trolley 2, be connected with shear plate 9 on horizontal force load cylinder.
When needing to carry out anti-shearing force test to rubber support, two rubber supports 8 are respectively placed in the upper of shear plate 9
It is vertical to load cylinder to the vertical loading force of rubber support application to simulate bridge weight between lower face and crossbeam 4 and lower platen 7, it loads
The counter-force portion 3 of small roof is against on crossbeam and using crossbeam as reaction frame, loads cylinder by horizontal force and applies pulling force to shear plate, cuts
Cutting plate shears two rubber supports of upper and lower sides, to simulate cutting for the afforded bridge of the rubber support in seismic environment
Cut active force.Test the anti-shear performance of rubber support in this way, existing this hydraulic pressure-shear test machine there are the problem of
In: it is all made of constant displacement pump fuel system to the oil circuit of vertical force loading hydraulic cylinder and horizontal force load oil supply cylinder, is being sheared
When test, prolonged system pressure maintaining is needed, using quantitative oil pump feed, pressure oil almost flows back to oil through overflow valve under high pressure entirely
Case, system power loss is big, and fever is serious.
Utility model content
The purpose of this utility model is to provide one kind can reduce the Double-hydraulic power pressure-shear test machine that oil can be lost.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of Double-hydraulic power pressure-shear test machine, including vertical loading mechanism and horizontal addload mechanism, horizontal addload machine
Structure includes shear plate and loads cylinder to the horizontal force of shear plate output level direction active force, and vertical force load cylinder includes and shearing
The lower platen and pushing the back down that plate is used cooperatively export the vertical force load cylinder of vertical active force, Double-hydraulic power pressure-shear test machine
It further include the oil supply system that cylinder and vertical force load oil supply cylinder are loaded to horizontal force, oil supply system includes fuel tank, is provided with overflow
The horizontal force load oil supply cylinder oil circuit and vertical force of valve load oil supply cylinder oil circuit, and horizontal force load oil supply cylinder oil circuit, vertical force add
The fuel feeding branch being connected with fuel tank that oil supply cylinder oil circuit includes two parallel arrangements is carried, one of fuel feeding branch road is provided with
High-pressure low-flow hydraulic pump, another fuel feeding branch road are provided with low pressure and mass flow hydraulic pump and check valve.
Unloading valve is additionally provided on horizontal force load oil supply cylinder oil circuit and vertical force load oil supply cylinder oil circuit.
Vertical loading mechanism further includes the force transmitting board being fixed on the piston rod of the vertical force load cylinder, force transmitting board and institute
It states and is connected between lower platen by horizontal displacement buffer gear, horizontal displacement buffer gear includes upper bulb, lower bulb and centre
Force transmission element, upper bulb are fixed on lower platen, and lower bulb is fixed on force transmitting board, and the upper end of intermediate force transmission element is provided with and upper ball
The upper ball groove that head shoot face is rotatably assorted, the lower end of intermediate force transmission element are provided with the lower ball groove with the cooperation of lower bulb spherical rotation, pressure
Shear test machine further includes the left side limit for being oriented to cooperation in the up-down direction with lower platen being set at left and right sides of lower platen
Position bracket and right side limiting bracket.
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 utility model has the following beneficial effects: the horizontal force load oil supply cylinder oil circuit in the utility model, vertical force load
Oil supply cylinder oil circuit includes the fuel feeding branch of two parallel arrangements being connected with fuel tank, and one of fuel feeding branch road is provided with height
Small flow hydraulic pump is pressed, another fuel feeding branch road is provided with low pressure and mass flow hydraulic pump and check valve.To rubber support
When being tested, when system pressure is lower, by low pressure and mass flow pump and high-pressure low-flow hydraulic pump simultaneously to corresponding load
Oil supply cylinder, corresponding piston rod can improve working efficiency with quick acting, and after system pressure increases, low pressure and mass flow pumps off-load,
High-pressure low-flow is hydraulic to pump up pressure maintaining effect, passes through the double acting force-fitting of low pressure and mass flow hydraulic pump and high-pressure low-flow hydraulic pump
Work, not too many hydraulic oil acting, therefore reduce oil and can be lost, avoid the serious problem of system heat generation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of background technique in the utility model；
Fig. 2 is the structural schematic diagram of one embodiment of the utility model；
Fig. 3 is the cooperation schematic diagram of lower platen and rubber support in the utility model；
Fig. 4 is top board platen in the utility model, platen on shear plate, shear plate pressing disc and pushes matching for disc plate pressure
Close schematic diagram；
Fig. 5 is the structural schematic diagram of horizontal displacement buffer gear in the utility model；
Fig. 6 is the cooperation schematic diagram of oil supply system and horizontal force load cylinder, vertical force load cylinder in the utility model.
Specific embodiment
A kind of implementation of Double-hydraulic power pressure-shear test machine is for example shown in Fig. 2 ~ 6: including vertical loading mechanism and it is horizontal plus
Mounted mechanism, vertical loading mechanism vertically load bracket 23, and the vertical bracket 23 that loads includes that left side limiting bracket 61 and right side limit
Bracket 62, left side limiting bracket 61, right side limiting bracket 62 upper end be provided with crossbeam 5, the lower end of crossbeam is provided with top board
14, the downside of top board 14 is provided with lower platen 26, the left and right sides of lower platen 26 and left side limiting bracket, right side limiting bracket
Between be respectively arranged with pressing plate limited roller 25, the pivot center of pressing plate limited roller 25 is extended along the longitudinal direction, left side
Pressing plate limited roller and left side limiting bracket roll guiding cooperation, the pressing plate limited roller on right side and right side limiting bracket roll
Guiding cooperation.It is provided with force transmitting board 27 on the downside of lower platen, horizontal displacement buffer is provided between force transmitting board 27 and lower platen
Structure, 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, guiding movement is equipped with load trolley 2 on guide rail, load trolley 2 have for it is described vertical plus
The counter-force portion 4 for carrying the cooperation of 23 contact of bracket, in the present embodiment, 4 contact of counter-force portion is on the vertically crossbeam 5 of load bracket, load
It is provided with horizontal force load cylinder 3 on trolley, is connected with cutting between top board 14 and lower platen 26 on horizontal force load cylinder 3
The specific connection relationship of cutting plate 7, horizontal force load cylinder and shear plate is to be provided with one on horizontal force load cylinder to be vertically arranged
Pin shaft is connected, the pin shaft connecting hole connected with pin shaft is connect is provided on shear plate, the height for connecting pin shaft is connected higher than pin shaft
The height in hole, therefore shear plate opposite can connect pin shaft and move up and down, and transmit pressure with rubber support to the upper side, horizontal force adds
The connection relationship for carrying cylinder and shear plate belongs to the prior art.In use, horizontal force loads cylinder by pulling shear plate come to rubber
Support transmits shearing force, due to the presence of mismatch error, can exist between pressing plate limited roller 25 and vertical load bracket certain
Crash amount, therefore horizontal force load cylinder pull shear plate when, lower platen can generate moving to right in range by a small margin, moving range
Substantially within 2mm, by the presence of horizontal displacement buffer gear, then the displacement has been buffered well to vertical force load cylinder
Impact, for lower platen with upper bulb 29 towards right translation, intermediate power transmission covers the movement adjustment of 30 adaptability, this displacement will not act on
Onto force transmitting board, therefore the piston rod of vertical force load cylinder not will receive horizontal applied force, when on the one hand can be long to avoid piston
Between damaged by horizontal applied force, in addition it can guarantee vertically to load cylinder can to rubber support export accurately it is vertical
Loading force will definitely increase the cylinder of piston rod and vertical load cylinder because if this horizontal applied force is applied on piston rod
Frictional force between body, the frictional force just will affect the accuracy that vertical load cylinder exports vertical loading force.
Double-hydraulic power pressure-shear test machine further includes the fuel feeding system that cylinder 3 and vertical force load 28 fuel feeding of cylinder are loaded to horizontal force
System, oil supply system include that fuel tank 43, the horizontal force load oil supply cylinder oil circuit 48 for being provided with overflow valve 45 and vertical force load cylinder supply
Oil circuit 47, horizontal force load oil supply cylinder oil circuit, vertical force load oil supply cylinder oil circuit include two be arranged in parallel and fuel tanks
Connected fuel feeding branch, one of fuel feeding branch road are provided with high-pressure low-flow hydraulic pump 44, another fuel feeding branch road
It is provided with low pressure and mass flow hydraulic pump 42 and check valve 50, horizontal force loads oil supply cylinder oil circuit and vertical force loads oil supply cylinder oil circuit
On be additionally provided with unloading valve 46.When system pressure is lower, low pressure and mass flow hydraulic pump 42 and high-pressure low-flow hydraulic pump 44 are simultaneously
To system fuel feeding, when system pressure is increased to unloading valve, when 6 set pressure, low pressure and mass flow hydraulic pump off-load, high pressure at this time
Small flow is hydraulic to pump up pressure maintaining effect, and overflow valve 45 sets up system pressure.
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 on vertically load bracket, the vertical counter-force for loading bracket and constituting load trolley
Frame, shear plate apply to corresponding rubber support towards the horizontal direction in right direction with platen on shear plate and shear plate pressing disc
Shearing force is realized to the shearing test on one direction of rubber support, and after the test, horizontal force loads cylinder unloading, downwards
Overturn upper limit bar, be flipped up upper limit bar, the lower end of upper limit bar snaps onto upper limit bar card slot, lower limit bar it is upper
End snaps onto lower limit bar card slot, and corresponding fixing bolt of dismantling, staff can hold the middle part of corresponding gag lever post, just
It is the same (gag lever post of vertical state is represented by dashed line in Fig. 2, Fig. 4) to stone of turning a millstone, it will be pressed on top board platen, shear plate
It disk, shear plate pressing disc and pushes disc plate pressure and rotates 180 degree to second station, then withdraw upper limit bar, lower limit bar,
Fixing bolt is retightened, platen, shear plate pressing disc and the drive for pushing disc plate pressure on top board platen, shear plate
Under, rubber support rotates 180 degree, then loads cylinder by horizontal force and apply drag force to shear plate, although testing horizontal force twice
The loading direction of cylinder is loaded there is no changing, but since rubber support itself has rotated 180 degree, rubber support is twice
Suffered shearing force is contrary, realizes to the biaxial loadings in rubber support horizontal direction, is closer to really
Shake environment.In the other embodiments of the utility model: top board platen, the working position fixation for pushing disc plate pressure can also pass through
Bolt is realized；It counter-force portion can also be with contact on the vertically column of load bracket.
Claims (2)
1. a kind of Double-hydraulic power pressure-shear test machine, including vertical loading mechanism and horizontal addload mechanism, horizontal addload mechanism packet
It includes shear plate and loads cylinder to the horizontal force of shear plate output level direction active force, it includes matching with shear plate that vertical force, which loads cylinder,
It closes the lower platen used and pushing the back down exports the vertical force load cylinder of vertical active force, Double-hydraulic power pressure-shear test machine also wraps
Include the oil supply system that cylinder and vertical force load oil supply cylinder are loaded to horizontal force, it is characterised in that: oil supply system includes fuel tank, setting
The horizontal force load oil supply cylinder oil circuit and vertical force load oil supply cylinder oil circuit, horizontal force for having overflow valve load oil supply cylinder oil circuit, erect
It include the fuel feeding branch of two parallel arrangements being connected with fuel tank, one of fuel feeding branch road to power load oil supply cylinder oil circuit
It is provided with high-pressure low-flow hydraulic pump, another fuel feeding branch road is provided with low pressure and mass flow hydraulic pump and check valve.
2. Double-hydraulic power pressure-shear test machine according to claim 1, it is characterised in that: horizontal force loads oil supply cylinder oil circuit
Unloading valve is additionally provided with on vertical force load oil supply cylinder oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920132811.5U CN209400333U (en) | 2019-01-25 | 2019-01-25 | Double-hydraulic power pressure-shear test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920132811.5U CN209400333U (en) | 2019-01-25 | 2019-01-25 | Double-hydraulic power pressure-shear test machine |
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| Publication Number | Publication Date |
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| CN209400333U true CN209400333U (en) | 2019-09-17 |
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| CN201920132811.5U Active CN209400333U (en) | 2019-01-25 | 2019-01-25 | Double-hydraulic power pressure-shear test machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632513A (en) * | 2019-01-25 | 2019-04-16 | 河南交院工程技术有限公司 | A kind of Double-hydraulic power pressure-shear test machine |
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2019
- 2019-01-25 CN CN201920132811.5U patent/CN209400333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632513A (en) * | 2019-01-25 | 2019-04-16 | 河南交院工程技术有限公司 | A kind of Double-hydraulic power pressure-shear test machine |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450000 No. 165 Nautical Middle Road, Erqi District, Zhengzhou City, Henan Province Patentee after: HENAN VOCATIONAL AND TECHNICAL College OF COMMUNICATIONS Patentee after: Henan Jiaoyuan Engineering Technology Group Co.,Ltd. Address before: 450000 No. 165 Nautical Middle Road, Erqi District, Zhengzhou City, Henan Province Patentee before: HENAN VOCATIONAL AND TECHNICAL College OF COMMUNICATIONS Patentee before: HENAN JIAOYUAN ENGINEERING TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |