CN116448580B - Filling material pressure-bearing performance test auxiliary device - Google Patents
Filling material pressure-bearing performance test auxiliary device Download PDFInfo
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- CN116448580B CN116448580B CN202310693252.6A CN202310693252A CN116448580B CN 116448580 B CN116448580 B CN 116448580B CN 202310693252 A CN202310693252 A CN 202310693252A CN 116448580 B CN116448580 B CN 116448580B
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- 239000000463 material Substances 0.000 title claims abstract description 60
- 238000011056 performance test Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 83
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 239000003245 coal Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000005065 mining Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 gangue Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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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
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application relates to the field of filling material pressure-bearing performance test auxiliary devices, and discloses a filling material pressure-bearing performance test auxiliary device which comprises support columns distributed on two sides, wherein the support columns are integrally connected with a stand column, a hydraulic cylinder is arranged at the upper end of the stand column, a pressing plate is fixedly connected at the output end of the hydraulic cylinder, and test cylinders are arranged at the upper ends of the support columns on the two sides. Compared with the prior art, the protection of the test cylinder is realized by pulling the moving block to move through the pull rope in the downward moving process of the lifting plate, the downward moving distance of the lifting plate can be controlled by changing the length of the pull rope, when the pull rope is longer, the lifting plate needs to move downward for a larger distance to pull the moving block out of the vertical hole, the test cylinder and the materials in the test cylinder are subjected to larger pressure, and similarly, when the pull rope is shorter, the downward moving distance of the lifting plate is also shortened, and the test cylinder and the materials in the test cylinder are subjected to smaller pressure and can be changed according to the bearable pressure characteristics of different materials.
Description
Technical Field
The application relates to the field of filling material pressure-bearing performance test auxiliary devices, in particular to a filling material pressure-bearing performance test auxiliary device.
Background
With the daily maturity of comprehensive mechanized solid material filling coal mining technology taking solid materials such as gangue, fly ash, loess and construction waste as filling materials in China, the large-scale mining of 'three-lower' coal pressing and metal mine is gradually realized, the effective filling of a goaf is realized, the recovery rate of coal resources is effectively improved, the problem of 'three-lower' coal pressing coal mining in China is solved, the problem of ground stacking of waste gangue, fly ash and metal tailings is solved, and the comprehensive mechanized solid material filling coal mining technology has important practical significance and wide application prospect. The filling material is used as an indispensable part of filling coal mining, and the test of the mechanical properties of the filling material is helpful for clearly grasping the physical and mechanical properties of the filling material, so that theoretical guidance is provided for rock stratum movement and ground surface subsidence control after filling coal mining.
Through retrieving, the current chinese patent of granting publication No. CN103983505B discloses a filling material mechanical property test auxiliary device, including the base, establish the steel cylinder on the base, be equipped with piston and the hollow dowel bar that links to each other with the piston in the steel cylinder, steel cylinder and base flange joint, steel cylinder upper portion bilateral symmetry be equipped with two handheld handles, piston and steel cylinder sliding fit, the up end center of piston be equipped with hollow dowel bar fastening continuous annular groove.
Therefore, based on the above searching and combining with the existing testing device, the filling material is inconvenient to load and unload, the material with different types is inconvenient to perform alternating work when testing, the tested material is inconvenient to replace with a new material to be detected, in addition, the continuous pressurizing process can lead the internal pressure of the steel cylinder to be larger and larger, and particularly after the filling material is contracted to the greatest extent, the continuous pressurizing is needed to determine whether the filling material reaches the maximum contraction state, and equipment damage is easy to be caused at the moment.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides the auxiliary device for testing the pressure-bearing performance of the filling material, has the advantages of a protection structure and the like, and solves the problems of equipment damage and the like caused by overlarge pressure.
In order to achieve the above purpose, the present application provides the following technical solutions: filling material pressure-bearing performance test auxiliary device, including the support column of distribution both sides, the support column integration is connected with the stand, the pneumatic cylinder is installed to the upper end of stand, pneumatic cylinder output fixedly connected with clamp plate, the support column upper end of both sides is provided with test cylinder, the clamp plate is arranged in the test cylinder, preset protection subassembly is installed to test cylinder bottom, preset protection subassembly installs between the support column of both sides.
Preferably, the upper end of support column is fixed and is provided with the braced frame, be provided with the rectangular channel on the braced frame, the bottom surface both sides fixedly connected with rectangular frame of test cylinder, rectangular frame arranges in the rectangular channel, the end that the braced frame kept away from the support column is the opening setting.
Preferably, the protection subassembly is predetermine includes the fixed plate, the both ends of fixed plate respectively with the relative one side terminal surface sliding connection of both sides support column, the below of fixed plate is provided with the lifter plate, fixed connection connecting rod one end in the middle of the lifter plate up end, the centre of fixed plate is worn to be equipped with the pole hole, the bottom of test cylinder is worn to be equipped with the telescopic link, vertical telescopic installation has the telescopic link in the telescopic link, the upper end of connecting rod passes the pole hole and with telescopic link bottom surface fixed connection, be connected with a plurality of first springs between telescopic link bottom surface and the fixed plate up end, be provided with a plurality of second springs between fixed plate bottom surface and the lifter plate up end, the both sides in pole hole are provided with the guide pulley mounting groove, bevel hole and vertical hole are worn respectively at the both ends of fixed plate, the bevel hole top is provided with down the connecting plate, be connected with the spliced pole between movable block and the down connecting plate, install the guide pulley in the guide pulley mounting groove, the fixed connection one end is passed through to the movable block to the other end to walk around with the lift plate on the fixed connection with the second end and lift cord respectively.
Preferably, the surface of the fixed plate, which is in contact with the moving block, is a slope, and the slope direction is inclined downwards towards the vertical hole.
Preferably, the lower surface of the rectangular frame is provided with an annular rubber cushion block.
An adjusting bolt is arranged in the moving block in a threaded rotation mode, and the end portion of the adjusting bolt is fixedly connected with the end portion of the pull rope.
Compared with the prior art, the application provides the filling material pressure bearing performance test auxiliary device, which has the following beneficial effects:
1. after the test is finished, the hydraulic cylinder pulls the pressing plate upwards until the pressing plate is separated from the test cylinder barrel, at the moment, the test cylinder barrel is pushed to move along the supporting frame and the rectangular groove on the supporting frame until the rectangular frame at the lower end of the test cylinder barrel is completely separated from the rectangular groove, the filling materials in the test cylinder barrel are discharged from the test cylinder barrel, after the discharge is finished, the test cylinder barrel is pushed to reset, then the next group of filling materials can be tested, and the filling materials are convenient to replace.
2. This filling material pressure-bearing performance test auxiliary device, to the protection of test cylinder, be through the lifter plate in-process of moving down, through the removal of stay cord pulling movable block, consequently, can control the distance that the lifter plate moved down through changing the length of stay cord, when the stay cord is longer, the lifter plate need move down more distances, just can pull out the movable block from the vertical hole in, the pressure that test cylinder and interior material received is great this moment, likewise, when the stay cord is shorter, the distance that the lifter plate moved down also shortens, the pressure that test cylinder and interior material received is less this moment, can change according to the bearable pressure characteristic of different materials.
Drawings
FIG. 1 is a schematic view of an isometric structure of the present application;
FIG. 2 is a schematic view of the internal structure of the test cylinder according to the present application;
FIG. 3 is a schematic view of the installation structure of the preset protection component of the present application;
FIG. 4 is a schematic diagram of a preset protection assembly according to the present application;
FIG. 5 is a right view structure of the preset protection assembly according to the present application;
FIG. 6 is a schematic view of the structure of the pre-set protection assembly of the present application with the fixing plate removed;
fig. 7 is a schematic view of an enlarged mounting structure of the moving block of the present application.
In the figure: 1. a hydraulic cylinder; 2. a pressing plate; 3. testing the cylinder barrel; 4. presetting a protection component; 5. a support column; 6. a column; 7. a lifting plate; 8. rectangular grooves; 9. a support frame; 10. a rectangular frame; 11. a telescopic hole; 12. a telescopic column; 13. a first spring; 14. a fixing plate; 15. a second spring; 16. a moving block; 17. a bevel hole; 18. a vertical hole; 19. a guide wheel; 20. a guide wheel mounting groove; 21. a rod hole; 22. a pull rope; 23. a connecting rod; 24. a lower connecting plate; 25. a connecting column; 26. and (5) adjusting a bolt.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As described in the background art, the application provides an auxiliary device for testing the pressure-bearing performance of a filling material in order to solve the technical problems.
In a typical implementation mode of the application, as shown in fig. 1-7, the auxiliary device for testing the pressure-bearing performance of the filling material comprises support columns 5 distributed on two sides, the support columns 5 are integrally connected with upright columns 6, the upper ends of the upright columns 6 are provided with hydraulic cylinders 1, the output ends of the hydraulic cylinders 1 are fixedly connected with pressing plates 2, the upper ends of the support columns 5 on two sides are provided with test cylinders 3, the pressing plates 2 are arranged in the test cylinders 3, preset protection components 4 are arranged at the bottoms of the test cylinders 3, the preset protection components 4 are arranged between the support columns 5 on two sides, supporting frames 9 are fixedly arranged at the upper ends of the support columns 5, rectangular grooves 8 are arranged on the supporting frames 9, the ends of the supporting frames 9, far away from the support columns 5, are arranged as openings, when the pressure-bearing performance of the filling material is tested, firstly, the filling material is poured from the test cylinders 3, the hydraulic cylinders 1 are opened, the pressing plates 2 are pushed down to perform a downward pressure test on the filling material in the test cylinders 3, after the test, the hydraulic cylinders 1 are pulled up the pressing plates 2 until the pressing plates 2 are separated from the test cylinders 3, the test cylinders 2 are pushed out of the test cylinders 3, the rectangular grooves 9 are fixedly arranged at the upper ends of the support frames 9, the upper ends of the support columns 5 are fixedly, rectangular frames 10 are fixedly connected with the rectangular frames, the rectangular frames 10 are arranged in the rectangular grooves 8, the support frames are arranged in the support columns, the rectangular frames, the end frames 9 are far from the ends of the support frames, the ends are far from the support columns 5, and are arranged at the ends, and are opened, and are arranged at the lower, and are arranged along the bottom the support columns, and are arranged, and are respectively, and are arranged between the support columns, and are respectively, and are fixedly arranged.
As a preferred embodiment in this embodiment, the preset protection component 4 includes a fixing plate 14, two ends of the fixing plate 14 are respectively connected with opposite side end faces of the support columns 5 on two sides in a sliding manner, a lifting plate 7 is arranged below the fixing plate 14, one end of a connecting rod 23 is fixedly connected in the middle of the upper end face of the lifting plate 7, a rod hole 21 is arranged in the middle of the fixing plate 14 in a penetrating manner, a telescopic hole 11 is arranged in the bottom of the test cylinder 3 in a penetrating manner, a telescopic column 12 is vertically arranged in the telescopic hole 11 in a telescopic manner, the upper end of the connecting rod 23 penetrates through the rod hole 21 and is fixedly connected with the bottom end face of the telescopic column 12, a plurality of first springs 13 are connected between the bottom end face of the telescopic column 12 and the upper end face of the fixing plate 14, a plurality of second springs 15 are arranged between the bottom end face of the fixing plate 14 and the upper end face of the lifting plate 7, guide wheel mounting grooves 20 are arranged on two sides of the rod hole 21, two ends of the fixing plate 14 are respectively provided with a bevel hole 17 and a vertical hole 18, a moving block 16 is arranged above the inclined plane hole 17, a lower connecting plate 24 is arranged below the inclined plane hole 17, a connecting column 25 is connected between the moving block 16 and the lower connecting plate 24, a guide wheel 19 is arranged in the guide wheel mounting groove 20, the moving block 16 is fixedly connected with one end of a pull rope 22, the other end of the pull rope 22 bypasses the guide wheel 19 and is fixedly connected with the upper end face of the lifting plate 7, the upper end and the lower end of a second spring 15 are respectively fixedly connected with the lower connecting plate 24 and the lifting plate 7, before the filling is tested, the moving block 16 is placed above the inclined plane hole 17, the position of the moving block 16 is fixed, the pull rope 22 is tightened, an adjusting bolt 26 is penetrated in the moving block 16 through threaded rotation, the end part of the adjusting bolt 26 is fixedly connected with the end part of the pull rope 22, when the filling is tested, the filling is subjected to pressure from the pressing plate 2, the telescopic column 12 at the inner bottom of the testing cylinder 3 is also subjected to pressure from the pressing plate 2, when the telescopic column 12 is pressed, the telescopic column moves downwards along the telescopic hole 11 and pushes the connecting rod 23 and the lifting plate 7 at the lower end of the telescopic column to move downwards synchronously, in the process, the lifting plate 7 which moves downwards pulls the moving block 16 through the pull rope 22, the first spring 13 is compressed, the second spring 15 is stretched, the larger the variation of the first spring 13 and the second spring 15 is, the larger the pressure on the material in the test cylinder 3 is, because the upper end of the second spring 15 is fixed with the lower connecting plate 24, the lower connecting plate 24 and the connecting column 25 and the moving block 16 connected with the lower connecting plate are limited by the inclined hole 17 and fixed on the fixed plate 14, the lower end of the second spring 15 is fixed with the lifting plate 7, when the material is subjected to preset pressure, the moving block 16 is pulled to the position of the vertical hole 18 and directly falls from the vertical hole 18, the moving block 16 which falls from the vertical hole 18 and the connecting column 25 and the lower connecting plate 24 connected with the lower end of the moving block are directly moved downwards, the upper end of the second spring 15 instantaneously loses the limit of the lower connecting plate 24 to the end of the second spring 15, so that the stretched second spring 15 automatically and instantaneously contracts, the lower end of the telescopic column 12 also instantaneously loses the reaction force from the second spring 15, the reaction force of the lower end of the telescopic column 12 is instantaneously reduced, the stress of the upper end of the telescopic column is unchanged, therefore, the telescopic column 12 can instantaneously move downwards in the telescopic hole 11, the downwards moving telescopic column 12 increases the space in the test cylinder 3, the pressure from the materials in the test cylinder 3 is instantaneously reduced, equipment damage is prevented, at the moment, the hydraulic cylinder 1 is closed to press the materials in the test cylinder 3 downwards, the test cylinder 3 is protected by pulling the moving block 16 through the pulling rope 22 in the downwards moving process of the lifting plate 7, specifically, the length of the pulling rope 22 is controlled through rotating the adjusting bolt 26, therefore, the distance of the lifting plate 7 moving downwards can be controlled by changing the length of the pull rope 22, when the pull rope 22 is longer, the lifting plate 7 needs to move downwards for a larger distance to pull the moving block 16 out of the vertical hole 18, at the moment, the pressure applied to the test cylinder 3 and the materials in the test cylinder is larger, and when the pull rope 22 is shorter, the distance of the lifting plate 7 moving downwards is also shortened, at the moment, the pressure applied to the test cylinder 3 and the materials in the test cylinder is smaller, and the change can be carried out according to the bearable pressure characteristics of different materials.
As a preferred embodiment in this embodiment, the surface of the fixed plate 14 contacting the moving block 16 is a slope, the slope direction is inclined downwards towards the vertical hole 18, and the slope is set so that when the moving block 16 receives the downward pulling force of the second spring 15, a component of the force can conveniently push the moving block 16 to move towards the vertical hole 18 along the inclined plane hole 17, and the situation that the pulling force of the pulling rope 22 is too large due to the excessive resistance of the upper surfaces of the moving block 16 and the fixed plate 14 is avoided, and the breakage of the pulling rope 22 is avoided.
As a preferred implementation manner in this embodiment, the lower surface of the rectangular frame 10 is provided with an annular rubber cushion block, and when the test cylinder 3 and the materials therein are subjected to the pressure of the pressure plate 2, the position of the test cylinder 3 is kept fixed, and the annular rubber cushion block can reduce the rigid pressure to which the test cylinder 3 is subjected to a certain extent, so that the protection effect is achieved.
The working principle of the application is as follows: when the test cylinder 3 is used, firstly, filling materials are poured from the test cylinder 3, the hydraulic cylinder 1 is opened, the pressing plate 2 is pushed to move downwards, the filling materials in the test cylinder 3 are subjected to a downward pressing test, after the test is finished, the hydraulic cylinder 1 pulls the pressing plate 2 upwards until the pressing plate 2 is separated from the test cylinder 3, at the moment, the test cylinder 3 is pushed to move along the supporting frame 9 and the rectangular groove 8 on the supporting frame until the rectangular frame 10 at the lower end of the test cylinder 3 is completely separated from the rectangular groove 8, the filling materials in the test cylinder 3 are discharged from the test cylinder 3, after the discharge is finished, the test cylinder 3 is pushed to reset, then the next group of filling materials can be tested, the filling materials are convenient to replace, and in the test process, the preset protection assembly 4 can protect the test cylinder 3, reduce the pressure in the test cylinder 3 and prevent equipment from being damaged;
when the packing is tested, the packing is stressed by the pressure plate 2, the telescopic column 12 at the inner bottom of the test cylinder 3 is stressed by the pressure plate 2, when the telescopic column 12 is stressed by the pressure plate 2, the telescopic column moves downwards along the telescopic hole 11 and pushes the connecting rod 23 at the lower end of the telescopic column to move downwards along the lifting plate 7 synchronously, in the process, the lifting plate 7 which moves downwards pulls the moving block 16 through the pull rope 22, the first spring 13 is compressed, the second spring 15 is stretched, the larger the variation of the first spring 13 and the second spring 15 is, the larger the stress on the material in the test cylinder 3 is indicated, because the upper end of the second spring 15 is fixed with the lower connecting plate 24, the lower connecting plate 24 and the connecting column 25 and the moving block 16 connected with the lower connecting plate are limited by the inclined surface hole 17 and fixed on the fixed plate 14, the lower end of the second spring 15 is fixed with the lifting plate 7, when the material is stressed by the preset pressure, at this time, the moving block 16 is pulled to the vertical hole 18 and directly falls from the vertical hole 18, the moving block 16 falling from the vertical hole 18 and the connecting post 25 and the lower connecting plate 24 connected with the lower end of the moving block are directly moved downwards, the upper end of the second spring 15 instantaneously loses the limit of the lower connecting plate 24 to the end of the lower connecting plate, therefore, the stretched second spring 15 automatically contracts instantaneously, the lower end of the telescopic post 12 also instantaneously loses the reaction force from the second spring 15, the reaction force of the lower end of the telescopic post 12 decreases instantaneously, the stress of the upper end of the telescopic post is unchanged, therefore, the telescopic post 12 moves downwards instantaneously in the telescopic hole 11, the space in the test cylinder 3 is increased by the downwards moving telescopic post 12, the pressure from the material in the test cylinder 3 is instantaneously reduced, the equipment is prevented from being damaged, at this time, the hydraulic cylinder 1 is closed to press down the material in the test cylinder 3, the protection of the test cylinder 3 is realized by the downward movement of the lifting plate 7, the length of the pull rope 22 is controlled by rotating the adjusting bolt 26 to control the length of the pull rope 22 through the movement of the pull rope 22, so that the downward moving distance of the lifting plate 7 can be controlled by changing the length of the pull rope 22, when the pull rope 22 is longer, the lifting plate 7 needs to move downward more distances to pull the moving block 16 out of the vertical hole 18, at the moment, the pressure applied to the test cylinder 3 and the materials in the test cylinder is larger, and when the pull rope 22 is shorter, the downward moving distance of the lifting plate 7 is also shortened, at the moment, the pressure applied to the test cylinder 3 and the materials in the test cylinder is smaller, and the change can be performed according to the bearable pressure characteristics of different materials.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a filling material pressure-bearing performance test auxiliary device, includes support column (5) of distribution both sides, its characterized in that: the utility model discloses a test device, including support column (5), stand (6), pneumatic cylinder (1) is installed to the upper end of stand (6), pneumatic cylinder (1) output fixedly connected with clamp plate (2), support column (5) upper end of both sides is provided with test cylinder (3), in test cylinder (3) are arranged in to clamp plate (2), preset protection subassembly (4) are installed to test cylinder (3) bottom, preset protection subassembly (4) are installed between support column (5) of both sides, the upper end of support column (5) is fixedly provided with braced frame (9), be provided with rectangular channel (8) on braced frame (9), rectangular channel (8) are arranged in to bottom face both sides fixedly connected with rectangular channel (10) of test cylinder (3), the tip that support column (5) were kept away from to braced frame (9) is the opening setting, preset protection subassembly (4) include fixed plate (14), the below of fixed plate (14) is provided with lifter plate (7), terminal surface upper end face (7) are provided with rectangular channel (8), one end (23) are equipped with connecting rod (21) and are worn out in the bottom of cylinder (3), the telescopic device is characterized in that a telescopic column (12) is vertically and telescopically installed in a telescopic hole (11), the upper end of a connecting rod (23) penetrates through a rod hole (21) and is fixedly connected with the bottom end face of the telescopic column (12), a plurality of first springs (13) are connected between the bottom end face of the telescopic column (12) and the upper end face of a fixed plate (14), a plurality of second springs (15) are arranged between the bottom end face of the fixed plate (14) and the upper end face of a lifting plate (7), guide wheel installation grooves (20) are formed in two sides of the rod hole (21), inclined face holes (17) and vertical holes (18) are respectively formed in two ends of the fixed plate (14), a moving block (16) is arranged above the inclined face holes (17), a lower connecting plate (24) is arranged below the inclined face holes (17), a connecting column (25) is connected between the moving block (16) and the lower connecting plate (24), guide wheels (19) are installed in the guide wheel installation grooves (20), one end of the moving block (16) is fixedly connected with a guide rope (22), and the other end of the guide wheel (22) bypasses the upper end face of the lifting plate (7) and the second springs (24) and is connected with the upper end of the lifting plate (7).
2. The filling material pressure-bearing performance test auxiliary device according to claim 1, wherein: the two ends of the fixing plate (14) are respectively connected with the end faces of the opposite sides of the support columns (5) in a sliding manner.
3. The filling material pressure-bearing performance test auxiliary device according to claim 1, wherein: the surface of the fixed plate (14) contacted with the movable block (16) is a slope, and the slope direction is inclined downwards towards the vertical hole (18).
4. The filling material pressure-bearing performance test auxiliary device according to claim 1, wherein: the lower surface of the rectangular frame (10) is provided with an annular rubber cushion block.
5. The filling material pressure-bearing performance test auxiliary device according to claim 4, wherein: an adjusting bolt (26) is arranged in the moving block (16) in a threaded rotation mode, and the end portion of the adjusting bolt (26) is fixedly connected with the end portion of the pull rope (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310693252.6A CN116448580B (en) | 2023-06-13 | 2023-06-13 | Filling material pressure-bearing performance test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310693252.6A CN116448580B (en) | 2023-06-13 | 2023-06-13 | Filling material pressure-bearing performance test auxiliary device |
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| Publication Number | Publication Date |
|---|---|
| CN116448580A CN116448580A (en) | 2023-07-18 |
| CN116448580B true CN116448580B (en) | 2023-08-25 |
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| CN202310693252.6A Active CN116448580B (en) | 2023-06-13 | 2023-06-13 | Filling material pressure-bearing performance test auxiliary device |
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