CN209992311U - Pressure testing machine - Google Patents
Pressure testing machine Download PDFInfo
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- CN209992311U CN209992311U CN201920906882.6U CN201920906882U CN209992311U CN 209992311 U CN209992311 U CN 209992311U CN 201920906882 U CN201920906882 U CN 201920906882U CN 209992311 U CN209992311 U CN 209992311U
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Abstract
The utility model relates to a compression testing machine, including the frame, the frame includes the base, is provided with left, well, the three stand group in right side on the base, and every stand group all is provided with the crossbeam including two stands around, on six stands, is provided with vertical arrangement's left working cylinder on the crossbeam between left stand group and the neutral stand group, is provided with vertical arrangement's right working cylinder on the crossbeam between neutral stand group and right stand group. The utility model discloses in, but left working cylinder, right working cylinder simultaneous working, also can the autonomous working, left working cylinder, right working cylinder are the output that can realize great operating pressure than single working cylinder work during simultaneous working, and single working cylinder during operation can realize less operating pressure's output to cover wider pressure range, single working cylinder during operation, also have the stability of frame when its stand group that corresponds guarantees to bear the counter-force.
Description
Technical Field
The utility model relates to a can export compression testing machine of vertical load.
Background
At present, common compression testing machine is four-column press, and it includes the frame, and the frame includes the base, is provided with four vertical arrangement's stand on the base, and the direction removes on the stand and is equipped with the crossbeam that can oscilaltion, is provided with vertical arrangement's working cylinder on the crossbeam, and during the use, the piston rod of working cylinder stretches out in order to exert pressure to the work piece of waiting to test.
The existing pressure tester has the problems that: the stability when the crossbeam has been guaranteed to receive the working cylinder reaction force by four stands, but the maximum output pressure of working cylinder is invariable, if select the great working cylinder of maximum output pressure, just can't accomplish the pressure test of some low pressures, if select the less working cylinder of maximum output pressure, just can't accomplish the pressure test of some high pressures, lead to prior art, want to cover whole pressure test scope, usually need prepare the different pressure testing machine of two at least working cylinders output tonnage, not only area is great, the test cost of producer has also greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a changeable compression testing machine of maximum output pressure.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides a pressure testing machine, includes the frame, and the frame includes the base, is provided with left, well, three stand group in the right side on the base, and every stand group all includes two stands in front and back, is provided with the crossbeam on six stands, is provided with vertical arrangement's left working cylinder on the crossbeam between left stand group and middle stand group, is provided with vertical arrangement's right working cylinder on the crossbeam between middle stand group and right stand group.
The maximum output pressure of the left working cylinder is 3000 tons, and the maximum output pressure of the right working cylinder is 3000 tons.
The pressure testing machine also comprises a pressure applying plate which is detachably connected with the power output ends of the left working cylinder and the right working cylinder.
And a crossbeam height adjusting mechanism for adjusting the height of the crossbeam is arranged between the crossbeam and the corresponding upright.
The utility model has the advantages that: in the utility model, the left working cylinder and the right working cylinder can work simultaneously or independently, when the left working cylinder and the right working cylinder work simultaneously, the output of larger working pressure can be realized compared with the work of a single working cylinder, and when the single working cylinder works, the output of smaller working pressure can be realized, thereby covering a wider pressure range; when each working cylinder works independently, the left working cylinder corresponds to four stand columns of the left stand column group and the middle stand column group, the right working cylinder corresponds to four stand columns of the middle stand column group and the right stand column group, each working cylinder corresponds to four stand columns, and when the stability of a loading process is guaranteed, the two working cylinders share the middle stand column group, so that the number of the stand columns is saved, the size of a product is reduced, and the cost of the product is also reduced.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention;
FIG. 2 is a schematic view of the cross member of FIG. 1 in cooperation with a left set of posts, a center set of posts, a right set of posts, and a pressure applying plate;
FIG. 3 is a schematic view of the lateral loading mechanism of FIG. 1 in cooperation with a shear plate;
fig. 4 is a top view of fig. 3.
Detailed Description
An embodiment of a compression testing machine is shown in FIG. 1 ~ 4, and comprises a base 26, wherein a left upright post group 2, a middle upright post group 4 and a right upright post group 1 are symmetrically arranged on the base 26, the left upright post group 2, the middle upright post group 4 and the right upright post group 1 respectively comprise two upright posts 3 which are arranged at intervals front and back, the compression testing machine further comprises a cross beam 9 which is movably assembled on each upright post in a guiding manner, the cross beam is of an integral plate-shaped structure, and a cross beam height adjusting mechanism 11 for adjusting the height of the cross beam is arranged between the cross beam 9 and the corresponding upright posts of the left upright post group 2 and the right upright post group 1.
A left working cylinder 12 which is vertically arranged is fixed between the left upright post group and the middle upright post group on the cross beam 9, and a right working cylinder 27 which is vertically arranged is fixed between the middle upright post group and the right upright post group on the cross beam 9, that is, when each working cylinder works independently, each working cylinder corresponds to four upright posts to realize counter force, and the counter forces of two working cylinders also share two upright posts of the middle upright post group. In this embodiment, the left working cylinder 12 and the right working cylinder 27 are hydraulic cylinders each having a maximum output pressure of 3000 tons. The piston rod of the left working cylinder is hinged with a left force transmission plate 23, the piston rod of the right working cylinder 27 is hinged with a right force transmission plate 21, the hinge axes of the left force transmission plate and the right force transmission plate extend in the front-back direction, the left force transmission plate forms the power output end of the left working cylinder, and the right force transmission plate forms the power output end of the right working cylinder. The pressure testing machine further comprises a pressure applying plate 22 detachably connected to the power output ends of the left working cylinder and the right working cylinder, and in the embodiment, the pressure applying plate 22 is connected to the lower ends of the left force transmission plate 23 and the right force transmission plate 21 through the connecting bolts 20 which are vertically arranged.
The crossbeam height adjusting mechanism 11 comprises locking teeth 18 which are arranged on corresponding upright posts of a left upright post group and a right upright post group and used for climbing a crossbeam, the crossbeam height adjusting mechanism also comprises an upper clamp 6 and a lower clamp, the lower clamp comprises a lower clamp support 16 which is assembled on the corresponding upright post in a guiding and moving way along the up-down direction, a clamp guide hole which is matched with the corresponding upright post in a guiding and moving way is arranged on the lower clamp support 16, a lower clamp block 17 which is matched with the locking teeth 18 is assembled on the lower clamp support in a guiding and moving way along the left-right direction, lower clamp guide rods 15 of which the axes extend along the left-right direction are fixed at the upper and lower ends of the lower clamp block 17, guide rod guide holes which are matched with the lower clamp guide rods 15 in a guiding way are arranged on the lower clamp support, a lower clamp locking spring 14 which applies acting force towards the corresponding locking teeth to the lower clamp block is arranged between the lower clamp block 17 and the lower clamp support 16, the lower holding and clamping locking spring 14 is sleeved on the corresponding lower holding and clamping guide rod 15, and the lower holding and clamping support 16 is also provided with a lower holding and clamping hydraulic cylinder 13 which is horizontally arranged and is in transmission connection with the lower holding and clamping block 17 so as to output acting force in the left and right directions to the lower holding and clamping block. Go up embrace the card 6 including being fixed in the last armful of card support on the crossbeam, go up to embrace to block to move along left right direction on the support and be equipped with be used for with lock tooth complex last armful card locking piece 8, go up to embrace to block to apply to embrace the card locking piece and tightly spring 5 towards the last armful card of corresponding lock tooth direction effort between the support with last armful card locking piece 8, go up to embrace to block to be provided with the level on the support and link to each other with last armful card locking piece transmission in order to embrace upward that the last armful of. The lower holding support and the upper holding support (or between the cross beams) are provided with vertically arranged jacking hydraulic cylinders 10. The upper clamping and locking block and the lower clamping and locking block are toothed plate structures which are vertically arranged and provided with a plurality of teeth.
The specific working process of the beam height adjusting mechanism is as follows: when the test is not needed, the cross beam does not receive the vertical reaction force of the left working cylinder and the right working cylinder at the moment, the jacking hydraulic cylinder 10, the upper clamping hydraulic cylinder 7 and the lower clamping hydraulic cylinder 13 do not work, the upper clamping block 8 and the locking teeth 18 are locked under the action of the upper clamping locking spring, the height position of the cross beam is fixed, the lower clamping block 17 and the locking teeth are locked under the action of the lower clamping locking spring, and the lower clamping height position is fixed. When the position of the cross beam needs to be adjusted, the lower clamping hydraulic cylinder applies acting force towards the corresponding locking tooth to the lower clamping block, the lower clamping block is locked with the locking tooth under the action of the lower clamping hydraulic cylinder, the upper clamping hydraulic cylinder applies acting force towards the direction far away from the corresponding locking tooth to the upper clamping block, the upper clamping block is separated from the locking tooth, the jacking hydraulic cylinder jacks the upper clamping support upwards, the cross beam can move upwards for adjustment, then the upper clamping hydraulic cylinder applies acting force towards the direction of the corresponding locking tooth to the upper clamping block, and the upper clamping block is locked with the locking tooth to realize the position fixation of the cross beam; the lower clamping hydraulic cylinder clamps the clamp downwards and applies an acting force towards the direction far away from the corresponding lock teeth, the lower clamping locking block is separated from the lock teeth, the jacking hydraulic cylinder retracts, the lower clamping locking block can be driven to walk upwards in a stepping mode, and the height of the beam can be adjusted in one step in a circulating mode. When a compression shear test is required, the upper clamping block is locked with the locking teeth under the action of the upper clamping hydraulic cylinder, so that a larger vertical acting force can be borne.
The pressure testing machine further comprises a horizontally arranged shear plate 32 and a transverse loading mechanism used for applying horizontal acting force to the shear plate, the transverse loading mechanism comprises a transverse loading mechanism support fixed on the base, a shear cylinder lifting mechanism is arranged on the loading mechanism support, the shear cylinder lifting mechanism is a lifting cylinder 43, a mounting seat 42 is fixed on a piston rod of the lifting cylinder, the transverse loading mechanism comprises a front shear cylinder 28, a middle shear cylinder 29 and a rear shear cylinder 30 which are sequentially arranged in parallel from front to back, in the embodiment, the front shear cylinder 28, the middle shear cylinder 29 and the rear shear cylinder 30 are hydraulic cylinders with maximum output force of 300 tons, the middle shear cylinder is located in the middle of the shear plate 32 in the front-back direction, and the front shear cylinder and the rear shear cylinder are symmetrically arranged on the left side and the right side of the middle shear cylinder. The front shearing cylinder, the middle shearing cylinder and the rear shearing cylinder are double-rod oil cylinders, piston rods 39 of the front shearing cylinder, the middle shearing cylinder and the rear shearing cylinder are connected with the shearing plate 32 through a first hinge structure, the front shearing cylinder, the middle shearing cylinder and the rear shearing cylinder are connected with a mounting seat of a transverse loading mechanism support through a second hinge structure, and the first hinge structure and the second hinge structure are provided with hinge axes of which the axes extend in the vertical direction. In this embodiment, the first hinge structure includes a shear plate connecting plate 38 fixed on the shear plate 32, the first hinge structure further includes an upper connecting plate 36 and a lower connecting plate 37 fixed on the piston rod of the corresponding shear cylinder and located at the upper and lower sides of the shear plate connecting plate, the distance between the upper and lower connecting plates is greater than the height of the shear plate connecting plate, the first hinge structure further includes a connecting pin shaft 35 penetrating between the shear plate connecting plate and the upper and lower connecting plates, and the connecting pin shaft 35 can be taken out from bottom to top.
The second hinge structure is provided with the rotation axis seat 41 that supplies to correspond the installation of rotation axis anticreep including being fixed in the axis of rotation 40 that the axis of rotation that extends along upper and lower direction on the cylinder body that corresponds the shearing cylinder on the mount pad the utility model discloses an in other embodiments, the second hinge structure also can be the ball pivot structure.
Under the scheme, the front shearing cylinder or the rear shearing cylinder independently acts to realize a torsion shearing test of small-tonnage output force, and the front shearing cylinder and the rear shearing cylinder simultaneously act in opposite directions, so that the torsion shearing test of large-tonnage output force can be realized.
In the embodiment, the pressure testing machine can complete double shear tests on the rubber support, the double shear tests refer to that the rubber support 31 is arranged on the upper side and the lower side of the shear plate 32, the rubber support 31 on the lower side is arranged on the workbench 33, the left working cylinder and the right working cylinder apply vertical loading force to the rubber support 31 on the upper side through the pressure applying plate 22 so as to simulate bridge weight, when the shear force of 300 tons or less of tonnage is needed to be output, only the middle shear cylinder is needed to act, the front shear cylinder and the rear shear cylinder do not work and can follow up, and the connecting pin shafts between the front shear cylinder, the rear shear cylinder and the shear plate can be pulled out, so that the dynamic shear test and the static shear test can be realized in the state; when the 300-ton and 600-ton shearing force is required to be output, the middle shearing cylinder does not work, the connecting pin shaft between the middle shearing cylinder and the shearing plate can be pulled out, and the front shearing cylinder and the rear shearing cylinder synchronously act to generate acting force on the shearing plate; when 600-900-ton shearing force output is required, all three shearing cylinders work. Certainly, the transverse loading mechanism in this embodiment may also perform a horizontal torsion shear test, the middle shearing cylinder does not work, one of the front shearing cylinder and the rear shearing cylinder applies a pulling force to the shear plate, and the other shearing cylinder applies a pushing force to the shear plate, so that the shear plate can twist and shear the rubber support, thereby simulating the stress of the rubber support in a special earthquake environment. In other embodiments of the present invention, the front shear cylinder, the middle shear cylinder, and the rear shear cylinder may also be single-rod output hydraulic cylinders; the maximum output forces of the front shearing cylinder, the middle shearing cylinder and the rear shearing cylinder may not be consistent, and the maximum output forces of the front shearing cylinder, the middle shearing cylinder and the rear shearing cylinder may not be 300 tons, for example, the maximum output forces may be set as required.
When 5000 tons and 6000 tons of vertical loading force are required to be carried out, a workpiece to be tested is placed on the lower side of the pressure applying plate 22, the left working cylinder and the right working cylinder act simultaneously, and the output of the maximum 6000 tons of pressure can be realized, for example, the compression test of the rubber support 31 is completed; of course, the two working cylinders can also synchronously move, so that the pressing plate generates an inclination angle, and the corner test of the rubber support can be completed at the moment. When 1000-ton and 2000-ton pressure tests are required, the pressing plate is detached, and the pressure tests can be completed by synchronous action of the single working cylinder. The two groups of upright post structures increase the integral torsion resistance of the testing machine, the two working cylinders with low tonnage realize the output of high tonnage working pressure together, the problems of cylinder diameter, acting force and hydraulic system pressure can be conveniently solved, and the ultrahigh pressure and the conventional high pressure can be selected; the purpose of using a plurality of devices by the two working cylinders can be realized, and the utilization rate and the production rate of the devices are greatly improved. In other embodiments of the present invention: the maximum output pressure of the two working cylinders may also be different.
Claims (4)
1. Pressure testing machine, including the frame, the frame includes base, its characterized in that: the base is provided with a left stand column group, a middle stand column group and a right stand column group, each stand column group comprises a front stand column and a rear stand column, cross beams are arranged on the six stand columns, a left working cylinder which is vertically arranged is arranged between the left stand column group and the middle stand column group on each cross beam, and a right working cylinder which is vertically arranged is arranged between the middle stand column group and the right stand column group on each cross beam.
2. The compression testing machine of claim 1, wherein: the maximum output pressure of the left working cylinder is 3000 tons, and the maximum output pressure of the right working cylinder is 3000 tons.
3. The compression testing machine of claim 1, wherein: the pressure testing machine also comprises a pressure applying plate which is detachably connected with the power output ends of the left working cylinder and the right working cylinder.
4. The compression testing machine of claim 1 ~ 3, wherein a beam height adjusting mechanism is provided between the beam and the corresponding column for adjusting the height of the beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906882.6U CN209992311U (en) | 2019-06-17 | 2019-06-17 | Pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906882.6U CN209992311U (en) | 2019-06-17 | 2019-06-17 | Pressure testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN209992311U true CN209992311U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920906882.6U Active CN209992311U (en) | 2019-06-17 | 2019-06-17 | Pressure testing machine |
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| CN (1) | CN209992311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220795A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure testing machine |
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- 2019-06-17 CN CN201920906882.6U patent/CN209992311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220795A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure testing machine |
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| GR01 | Patent grant | ||
| 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 |