CN113295535A - Loading equipment for test - Google Patents
Loading equipment for test Download PDFInfo
- Publication number
- CN113295535A CN113295535A CN202110555692.6A CN202110555692A CN113295535A CN 113295535 A CN113295535 A CN 113295535A CN 202110555692 A CN202110555692 A CN 202110555692A CN 113295535 A CN113295535 A CN 113295535A
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- cavity
- supporting block
- plug
- transmission
- water tank
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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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
A loading device for tests comprises a motor, a speed reducer, a transmission switching structure, a spiral transmission pair, a transmission shaft, a water tank, a piston cylinder, a pressure maintaining plate, a worm and a worm wheel; the water tank includes: the device comprises an upper cavity, a middle cavity, a lower cavity, an avoidance groove, a lower plug, a middle plug, an upper plug, a stirring blade, a stirring rod, an upper rod, a middle rod, a sliding plate, a sliding groove, an upper left supporting block, a lower left supporting block, an upper right supporting block, a pivot and a lower right supporting block; a through cavity and a transmission cavity are arranged in the lower cavity; the water tank is fixed to the top of the piston cylinder.
Description
Technical Field
The invention relates to the field of slope stability, in particular to loading equipment for tests.
Background
At present, when a slope rock stratum is eroded by groundwater or other water, gaps are generated, how to research the gaps and research a slope disaster mechanism is a subject to be researched, and particularly, under different conditions of temperature, humidity and stress, the rock stratum has different stability conditions, so that in the prior art, a test system is often used for researching the disaster mechanism, for example, a rock is pressurized and loaded under a simulated water pressure condition.
However, in practical use, the following problems exist:
1. in the hydraulic loading device in the prior art, pressurization is performed through a device similar to a piston, however, negative pressure is generated during retraction in the process of piston suction, so that the loading pressure is reduced sharply, the loading pressure is in a fluctuation condition, and continuous hydraulic loading cannot be simulated really.
2. The prior art often requires two sets of drive systems for two independently moving components, thereby occupying a large volume.
3. The hydraulic loading system in the prior art sometimes needs to adjust water components to simulate water resources with different components, and the solution is that a plurality of water tanks are generally used for containing water with different components, but the water tanks occupy undesirable volumes and spaces.
4. In the water pressure loading system in the prior art, the piston pressurizing part and the water source part are generally arranged separately, so that integration cannot be realized.
5. The multi-driving-path structure in the prior art is difficult to integrate.
6. The water tank structure in the prior art can only realize opening and closing, but cannot realize multi-section opening and closing.
7. In the water tank structure in the prior art, if the water components in the water tank structure are placed for a long time or the components are initially prepared, the phenomenon of layering or non-uniformity often occurs.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a loading device for tests comprises a motor, a speed reducer, a transmission switching structure, a spiral transmission pair, a transmission shaft, a water tank, a piston cylinder, a pressure maintaining plate, a worm and a worm wheel; the water tank includes: the device comprises an upper cavity, a middle cavity, a lower cavity, an avoidance groove, a lower plug, a middle plug, an upper plug, a stirring blade, a stirring rod, an upper rod, a middle rod, a sliding plate, a sliding groove, an upper left supporting block, a lower left supporting block, an upper right supporting block, a pivot and a lower right supporting block; a through cavity and a transmission cavity are arranged in the lower cavity; the water tank is fixed above the piston cylinder;
the motor is connected with the speed reducer, the speed reducer is respectively connected to one end of the transmission shaft and the spiral transmission pair through the transmission switching structure, the other end of the transmission shaft is connected with the worm wheel, the worm wheel drives the worm to move up and down, the output end of the spiral transmission pair is connected to the piston, the piston slides in the piston cylinder, a liquid through hole is formed above the piston cylinder, the liquid through hole is communicated with the through flow cavity, the worm is connected with the pressure maintaining plate, and the pressure maintaining plate can slide in the cylinder wall of the piston cylinder;
the transmission shaft extends into the transmission cavity, and the worm can move in the transmission cavity; the upper part of the lower cavity wall of the middle cavity is concave to form the avoiding groove, and the avoiding groove is communicated with the transmission cavity; the lower plug can seal the through hole of the lower wall of the middle cavity, the middle plug can seal the through hole of the lower wall of the upper cavity, the upper plug can seal the through hole of the upper wall of the upper cavity, the upper plug and the middle plug are connected through the upper rod, the middle rod is arranged below the middle plug, the sliding plate is arranged below the middle rod, the sliding groove is arranged in the stirring rod, the sliding plate can slide up and down in the sliding groove, the lower plug is arranged below the stirring rod, and the stirring blade is arranged on the stirring rod;
the pivot is arranged on the upper wall of the water tank, and the upper left supporting block, the lower left supporting block, the upper right supporting block and the lower right supporting block can rotate around the pivot; when the upper plug is pulled upwards to a first height, the lower left supporting block and the lower right supporting block can move to the position below the upper plug, and the sliding plate moves to the upper end of the sliding groove; when the upper plug is pulled up from a first height, the stirring rod moves upwards at the same time, and after the upper plug is pulled up from the first height to a second height position, the upper left supporting block, the lower left supporting block, the upper right supporting block and the lower right supporting block can move to the position below the upper plug.
Furthermore, the transmission switching structure comprises a rotating wheel and a conveying belt, and the rotating wheel is connected with the transmission shaft.
Further, the conveying belt transmits power to a power input end of the spiral transmission pair.
Furthermore, the upper wall of the water tank is provided with a liquid injection hole.
Furthermore, a water injection hole is formed in the side wall of the middle cavity.
Furthermore, the upper cavity and the middle cavity are separated by a partition plate.
Furthermore, the lower left supporting block and the lower right supporting block are located at the same height.
Furthermore, the upper left supporting block and the upper right supporting block are located at the same height.
Further, when the piston retreats to the farthest position, the liquid through hole is communicated to the inner cavity of the piston cylinder.
Further, the liquid through hole can be blocked in the piston feeding process.
The invention has the beneficial effects that:
1. according to the 1 st point provided by the background technology, the arrangement of the pressure-retaining plate is adopted, the return water path is timely blocked by the pressure-retaining plate after the piston retracts, and the stability of water pressure supply is improved.
2. Aiming at the 2 nd point provided by the background technology, two sets of transmission paths are realized by using one set of transmission device, and the cost and the number of parts are saved.
3. To the 3 rd point that the background art provided, in integrated the function of a plurality of water tanks to a water tank, set up lumen and epicoele in the water tank, the epicoele is the composition allotment chamber, and the lumen is the water cavity, and the composition of the two can mix the allotment through controlling means.
4. In the 4 th point proposed by the background art, because the piston device often has a thick wall and a strong bearing capacity, the piston device is arranged below the piston device, and the water tank is thin-walled, the water tank is integrated above the piston device.
5. Aiming at the 5 th point provided by the background technology, a long groove is reserved in the middle cavity of the water tank for the pressure maintaining plate driving structure so as to adapt to the stroke of the pressure maintaining plate driving structure, and meanwhile, the transmission rod penetrates through the lower cavity of the water tank to realize integration in a maximized mode.
6. Aiming at the 6 th point provided by the background technology, the water tank opening and closing rod realizes the switching between three sections of positions through two layers of supporting blocks.
7. In the 7 th point proposed by the background art, a stirring blade is provided on the water tank opening and closing lever.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the loading unit of the present invention in a pressure maintaining state.
FIG. 2 is a schematic diagram of the pressure supplying state of the loading device according to the present invention.
Fig. 3 is an enlarged view of the circled area of fig. 2 of the present invention.
Fig. 4 is a top view of the loading device of the present invention.
FIG. 5 is a schematic view of the invention with both support blocks closed.
In the figures, the reference numerals are as follows:
1. the device comprises a motor 2, a speed reducer 3, a transmission switching structure 4, a spiral transmission pair 5, a transmission shaft 6, an upper cavity 7, a middle cavity 8, a lower cavity 9, a through-flow cavity 10, a piston 11, a piston cylinder 12, a through-flow hole 13, a pressure maintaining plate 14, a worm 15, a worm wheel 16, a transmission cavity 17, an avoiding groove 18, a lower plug 19, a middle plug 20, an upper plug 21, a stirring blade 22, a stirring rod 23, an upper rod 24, a middle rod 25, a sliding plate 26, a sliding groove 27, an upper left supporting block 28, a lower left supporting block 29, an upper right supporting block 30, a pivot 31 and a lower right supporting block.
Detailed Description
As shown in the figure: a loading device for tests comprises a motor, a speed reducer, a transmission switching structure, a spiral transmission pair, a transmission shaft, a water tank, a piston cylinder, a pressure maintaining plate, a worm and a worm wheel; the water tank includes: the device comprises an upper cavity, a middle cavity, a lower cavity, an avoidance groove, a lower plug, a middle plug, an upper plug, a stirring blade, a stirring rod, an upper rod, a middle rod, a sliding plate, a sliding groove, an upper left supporting block, a lower left supporting block, an upper right supporting block, a pivot and a lower right supporting block; a through cavity and a transmission cavity are arranged in the lower cavity; the water tank is fixed above the piston cylinder;
the motor is connected with the speed reducer, the speed reducer is respectively connected to one end of the transmission shaft and the spiral transmission pair through the transmission switching structure, the other end of the transmission shaft is connected with the worm wheel, the worm wheel drives the worm to move up and down, the output end of the spiral transmission pair is connected to the piston, the piston slides in the piston cylinder, a liquid through hole is formed above the piston cylinder, the liquid through hole is communicated with the through flow cavity, the worm is connected with the pressure maintaining plate, and the pressure maintaining plate can slide in the cylinder wall of the piston cylinder;
as shown in the figure: the transmission shaft extends into the transmission cavity, and the worm can move in the transmission cavity; the upper part of the lower cavity wall of the middle cavity is concave to form the avoiding groove, and the avoiding groove is communicated with the transmission cavity; the lower plug can seal the through hole of the lower wall of the middle cavity, the middle plug can seal the through hole of the lower wall of the upper cavity, the upper plug can seal the through hole of the upper wall of the upper cavity, the upper plug and the middle plug are connected through the upper rod, the middle rod is arranged below the middle plug, the sliding plate is arranged below the middle rod, the sliding groove is arranged in the stirring rod, the sliding plate can slide up and down in the sliding groove, the lower plug is arranged below the stirring rod, and the stirring blade is arranged on the stirring rod;
the pivot is arranged on the upper wall of the water tank, and the upper left supporting block, the lower left supporting block, the upper right supporting block and the lower right supporting block can rotate around the pivot; when the upper plug is pulled upwards to a first height, the lower left supporting block and the lower right supporting block can move to the position below the upper plug, and the sliding plate moves to the upper end of the sliding groove; when the upper plug is pulled up from a first height, the stirring rod moves upwards at the same time, and after the upper plug is pulled up from the first height to a second height position, the upper left supporting block, the lower left supporting block, the upper right supporting block and the lower right supporting block can move to the position below the upper plug.
As shown in the figure: the transmission switching structure comprises a rotating wheel and a conveying belt, and the rotating wheel is connected with the transmission shaft. The conveying belt transmits power to the power input end of the spiral transmission pair. And the upper wall of the water tank is provided with a liquid injection hole. And a water injection hole is formed in the side wall of the middle cavity. The upper cavity and the middle cavity are separated by a clapboard. The lower left supporting block and the lower right supporting block are located at the same height. The upper left supporting block and the upper right supporting block are located at the same height. When the piston retreats to the farthest position, the liquid through hole is communicated to the inner cavity of the piston cylinder. The liquid through hole can be plugged in the piston feeding process.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A loading device for testing is characterized in that: the device comprises the motor, the speed reducer, a transmission switching structure, a spiral transmission pair, a transmission shaft, a water tank, a piston cylinder, a pressure maintaining plate, a worm and a worm wheel; the water tank includes: the device comprises an upper cavity, a middle cavity, a lower cavity, an avoidance groove, a lower plug, a middle plug, an upper plug, a stirring blade, a stirring rod, an upper rod, a middle rod, a sliding plate, a sliding groove, an upper left supporting block, a lower left supporting block, an upper right supporting block, a pivot and a lower right supporting block; a through cavity and a transmission cavity are arranged in the lower cavity; the water tank is fixed above the piston cylinder;
the motor is connected with the speed reducer, the speed reducer is respectively connected to one end of the transmission shaft and the spiral transmission pair through the transmission switching structure, the other end of the transmission shaft is connected with the worm wheel, the worm wheel drives the worm to move up and down, the output end of the spiral transmission pair is connected to the piston, the piston slides in the piston cylinder, a liquid through hole is formed above the piston cylinder, the liquid through hole is communicated with the through flow cavity, the worm is connected with the pressure maintaining plate, and the pressure maintaining plate can slide in the cylinder wall of the piston cylinder;
the transmission shaft extends into the transmission cavity, and the worm can move in the transmission cavity; the upper part of the lower cavity wall of the middle cavity is concave to form the avoiding groove, and the avoiding groove is communicated with the transmission cavity; the lower plug can seal the through hole of the lower wall of the middle cavity, the middle plug can seal the through hole of the lower wall of the upper cavity, the upper plug can seal the through hole of the upper wall of the upper cavity, the upper plug and the middle plug are connected through the upper rod, the middle rod is arranged below the middle plug, the sliding plate is arranged below the middle rod, the sliding groove is arranged in the stirring rod, the sliding plate can slide up and down in the sliding groove, the lower plug is arranged below the stirring rod, and the stirring blade is arranged on the stirring rod;
the pivot is arranged on the upper wall of the water tank, and the upper left supporting block, the lower left supporting block, the upper right supporting block and the lower right supporting block can rotate around the pivot; when the upper plug is pulled upwards to a first height, the lower left supporting block and the lower right supporting block can move to the position below the upper plug, and the sliding plate moves to the upper end of the sliding groove; when the upper plug is pulled up from a first height, the stirring rod moves upwards at the same time, and after the upper plug is pulled up from the first height to a second height position, the upper left supporting block, the lower left supporting block, the upper right supporting block and the lower right supporting block can move to the position below the upper plug.
2. A test loading apparatus as claimed in claim 1, wherein: the transmission switching structure comprises a rotating wheel and a conveying belt, and the rotating wheel is connected with the transmission shaft.
3. A test loading apparatus as claimed in claim 2, wherein: the conveying belt transmits power to the power input end of the spiral transmission pair.
4. A test loading apparatus as claimed in claim 1, wherein: and the upper wall of the water tank is provided with a liquid injection hole.
5. A test loading apparatus as claimed in claim 1, wherein: and a water injection hole is formed in the side wall of the middle cavity.
6. A test loading apparatus as claimed in claim 1, wherein: the upper cavity and the middle cavity are separated by a clapboard.
7. A test loading apparatus as claimed in claim 1, wherein: the lower left supporting block and the lower right supporting block are located at the same height.
8. A test loading apparatus as claimed in claim 1, wherein: the upper left supporting block and the upper right supporting block are located at the same height.
9. A test loading apparatus as claimed in claim 1, wherein: when the piston retreats to the farthest position, the liquid through hole is communicated to the inner cavity of the piston cylinder.
10. A test loading apparatus as claimed in claim 1, wherein: the liquid through hole can be plugged in the piston feeding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555692.6A CN113295535B (en) | 2021-05-21 | 2021-05-21 | Loading equipment for test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555692.6A CN113295535B (en) | 2021-05-21 | 2021-05-21 | Loading equipment for test |
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| Publication Number | Publication Date |
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| CN113295535A true CN113295535A (en) | 2021-08-24 |
| CN113295535B CN113295535B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110555692.6A Active CN113295535B (en) | 2021-05-21 | 2021-05-21 | Loading equipment for test |
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| CN212255005U (en) * | 2020-06-30 | 2020-12-29 | 湖南科技大学 | Seepage test device of inside and outside water pressure difference pore rock test piece |
| CN212293077U (en) * | 2019-12-26 | 2021-01-05 | 邹赞辉 | Environment-friendly sewage treatment plant |
| CN212844742U (en) * | 2020-08-18 | 2021-03-30 | 上海地矿工程勘察有限公司 | True triaxial test equipment for ultra-deep drill core |
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2021
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| CN105510142A (en) * | 2016-01-15 | 2016-04-20 | 太原理工大学 | Coal petrography multiphase different fluid three-axis crushing test unit and method |
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| Publication number | Publication date |
|---|---|
| CN113295535B (en) | 2022-08-12 |
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