CN209460052U - It is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine - Google Patents
It is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine Download PDFInfo
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- CN209460052U CN209460052U CN201920133283.5U CN201920133283U CN209460052U CN 209460052 U CN209460052 U CN 209460052U CN 201920133283 U CN201920133283 U CN 201920133283U CN 209460052 U CN209460052 U CN 209460052U
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Abstract
The utility model relates to a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it include: pedestal, cylinder body, rodless piston, there is bar piston, the pedestal is mounted in the rack of three-dimensional confining pressure machine, pedestal is equipped with the plane to install cylinder body, the cylinder body is mounted on pedestal, main aperture is provided with below cylinder interior, main aperture is connected with hydraulic pump by oil inlet pipe, rodless piston is provided in main aperture, parallel secondary orifices is arranged at intervals with above cylinder interior, each secondary orifices passes through connecting hole and is connected with main aperture, bar piston has been equipped in each secondary orifices, each there is the tailpiece of the piston rod of bar piston to be hinged respectively with load plate.The beneficial effects of the utility model are: the utility model uses the hydraulic system of semi-open type structure, cylinder body is the integrated design, and structure is simple, convenient for fabrication and installation, the synchronism of each piston rod is good, and stable drive is reliable, convenient for being monitored control to whole simulated pressure.
Description
Technical field
It is specifically a kind of for testing the hydraulic of target plate three-dimensional confining pressure machine the utility model relates to projectile penetrating experimental technique
Device.
Background technique
In order to study the affecting laws that confining pressure destroys the Penetration, ballistic limit, target plate of body under the conditions of crustal stress,
For under the conditions of various crustal stress the body characteristics of motion and penetration weapon system research is provided, for deep drilling body structure design and
Defence engineering defence in deep provides reliable analysis data, need to carry out the design of the target plate three-dimensional confining pressure load of deep penetration test.By
It is difficult in three-dimensional confining pressure loading technique, it is few to carry out this kind of research both at home and abroad, is utilized currently, there is a small amount of research to concentrate on
SHPB realizes the material dynamic mechanical performance study under confining pressure loading environment, and is directly applied using confining pressure loading device to target plate
Data of the three-dimensional confining pressure load for deep penetration test has no.
Currently, the three-dimensional confining pressure machine of our designed, designeds is the pressurization principle using low-angle inclined plate, in upper opening
Three axial directions mutually perpendicular load inclined plate is installed in cabinet, the pressure of simulated ground stress is carried out to the intracorporal concrete thick sheet of case
Load, in order to guarantee that on-load pressure can reach requirement of experiment, what all directions were all made of is hydraulic cylinder group to be driven,
But since the operating pressure of each hydraulic cylinder inevitably has differences, synchronizing for initial stage always will appear deviation, therefore
It can make load plate unbalance stress when drive load plate, slight deflection easily occurs, to make the friction between load plate and cabinet
Increase, influences the service life of load plate and cabinet, and when multiple hydraulic cylinders synchronous working, it is difficult after one of them breaks down
To discover, it will cause simulated pressure and do not reach simulation requirement actually.
Summary of the invention
The purpose of this utility model be propose it is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, using semi-open type
Structure drives the working piston of multiple parallel connections with main piston, so that the uniform force of load inclined plate, is not susceptible to deflection, simultaneously
The observation for being also convenient for simulated pressure calculates.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions:
It is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, comprising: pedestal, rodless piston, has bar living at cylinder body
Plug, the pedestal are mounted in the rack of three-dimensional confining pressure machine, and pedestal is equipped with the plane to install cylinder body, the cylinder body
It is mounted on pedestal, is provided with main aperture below cylinder interior, main aperture is connected with hydraulic pump by oil inlet pipe, is provided with nothing in main aperture
Bar piston, cylinder interior top are arranged at intervals with parallel secondary orifices, and each secondary orifices passes through connecting hole and is connected with main aperture, each
It has been equipped with bar piston in secondary orifices, has each had the tailpiece of the piston rod of bar piston to be hinged respectively with load plate;Its master of the cylinder body
Hole lower end is equipped with the oil inlet to connect oil inlet pipe, and main aperture inner upper is equipped with the positioning to be limited to rodless piston
Ring, the connecting hole of cylinder body are equipped with the oil inlet to supplement oil liquid, are provided in each secondary orifices of cylinder body to living to there is bar
The positioning ring that the piston end of plug is limited.
The main aperture of the rodless piston and cylinder body slidingly and sealingly connects.
The secondary orifices for having its piston end of bar piston and cylinder body slidingly and sealingly connects.
The diameter of each secondary orifices and adjacent secondary orifices is equal.
The oil inlet of described its connecting hole of cylinder body is connected with slippage pump by oil pipe.
Securing plate is equipped between its both ends of the pedestal and cylinder body.
The beneficial effects of the utility model are: the utility model uses the hydraulic system of semi-open type structure, cylinder body one
Bodyization design, structure is simple, is convenient for fabrication and installation, and the synchronism of each piston rod is good, and stable drive is reliable, convenient for whole mould
Pseudopressure is monitored control.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the top view of the utility model.
In figure, 1, pedestal, 2, cylinder body, 3, rodless piston, 4, have bar piston, 5, securing plate;201, main aperture, 202, secondary orifices,
203, connecting hole, 204, oil inlet, 205, positioning ring, 206, oil inlet, 207, positioning ring.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification.
As shown in Figure 1 and Figure 2, a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, comprising: pedestal 1, cylinder body 2,
Rodless piston 3 has bar piston 4, and the pedestal 1 is mounted in the rack of three-dimensional confining pressure machine, and pedestal 1 is equipped with to install cylinder
The plane of body 2, the cylinder body 2 are mounted on pedestal 1, and 2 lower inside of cylinder body is provided with main aperture 201, and main aperture 201 passes through oil inlet
Pipe is connected with hydraulic pump, and rodless piston 3 is provided in main aperture 201, and 2 inner upper of cylinder body is arranged at intervals with parallel secondary orifices 202,
Each secondary orifices 202 is connected by connecting hole 203 with main aperture 201, has been equipped with bar piston 4, Mei Geyou in each secondary orifices 202
The tailpiece of the piston rod of bar piston 4 is hinged with load plate respectively;Its 201 lower end of main aperture of the cylinder body 2 is equipped with to connect oil inlet
The oil inlet 204 of pipe, 201 inner upper of main aperture are equipped with the positioning ring 205 to be limited to rodless piston, the company of cylinder body 2
It connects hole 203 to be equipped with to the oil inlet 206 that supplements oil liquid, be provided in each secondary orifices 202 of cylinder body 2 to there is bar piston
The positioning ring 207 that is limited of piston end.
The rodless piston 3 is slidingly and sealingly connect with the main aperture 201 of cylinder body 2.
Described has its piston end of bar piston 4 slidingly and sealingly to connect with the secondary orifices 202 of cylinder body 2.
The diameter of each secondary orifices and adjacent secondary orifices is equal.
The oil inlet 206 of described its connecting hole 203 of cylinder body 2 is connected with slippage pump by oil pipe.
Securing plate 5 is equipped between described its both ends of pedestal 1 and cylinder body 2.
The non-detailed portion of the utility model is the prior art.
Claims (6)
1. a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it is characterized in that: include: pedestal, cylinder body, rodless piston,
There is bar piston, the pedestal is mounted in the rack of three-dimensional confining pressure machine, and pedestal is equipped with the plane to install cylinder body, described
Cylinder body be mounted on pedestal, be provided with main aperture below cylinder interior, main aperture is connected with hydraulic pump by oil inlet pipe, sets in main aperture
It is equipped with rodless piston, is arranged at intervals with parallel secondary orifices above cylinder interior, each secondary orifices passes through connecting hole and is connected with main aperture
It is logical, it has been equipped with bar piston in each secondary orifices, has each had the tailpiece of the piston rod of bar piston to be hinged respectively with load plate;The cylinder
Its main aperture lower end of body is equipped with the oil inlet to connect oil inlet pipe, and main aperture inner upper is equipped with to limit to rodless piston
Positioning ring, the connecting hole of cylinder body is equipped with the oil inlet to supplement oil liquid, is provided in each secondary orifices of cylinder body to right
The positioning ring for thering is the piston end of bar piston to be limited.
2. it is according to claim 1 a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it is characterized in that: described
The main aperture of rodless piston and cylinder body slidingly and sealingly connects.
3. it is according to claim 1 a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it is characterized in that: described
There is the secondary orifices of its piston end of bar piston and cylinder body slidingly and sealingly to connect.
4. it is according to claim 1 a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it is characterized in that: described
The diameter of each secondary orifices and adjacent secondary orifices is equal.
5. it is according to claim 1 a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it is characterized in that: described
The oil inlet of its connecting hole of cylinder body is connected with slippage pump by oil pipe.
6. it is according to claim 1 a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine, it is characterized in that: described
Securing plate is equipped between its both ends of pedestal and cylinder body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920133283.5U CN209460052U (en) | 2019-01-25 | 2019-01-25 | It is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine |
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CN201920133283.5U CN209460052U (en) | 2019-01-25 | 2019-01-25 | It is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine |
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CN209460052U true CN209460052U (en) | 2019-10-01 |
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CN201920133283.5U Active CN209460052U (en) | 2019-01-25 | 2019-01-25 | It is a kind of for testing the hydraulic device of target plate three-dimensional confining pressure machine |
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2019
- 2019-01-25 CN CN201920133283.5U patent/CN209460052U/en active Active
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