CN108709806B - Loading box assembly for side guard plate test and hydraulic support test bed - Google Patents
Loading box assembly for side guard plate test and hydraulic support test bed Download PDFInfo
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- CN108709806B CN108709806B CN201810738987.5A CN201810738987A CN108709806B CN 108709806 B CN108709806 B CN 108709806B CN 201810738987 A CN201810738987 A CN 201810738987A CN 108709806 B CN108709806 B CN 108709806B
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- 238000007667 floating Methods 0.000 claims abstract description 47
- 239000003245 coal Substances 0.000 claims abstract description 9
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000005065 mining Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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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
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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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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention provides a loading box assembly for a side guard plate test and a hydraulic support test bed, and relates to the technical field of coal mining equipment detection. The hydraulic support test bed comprises a loading box, the loading box comprises a box body and a floating block, supporting plates are arranged on two opposite sides of the floating block, a plane where the supporting plates are located is opposite to a side guard plate of the hydraulic support to be tested, a containing groove is formed in the supporting plates, two clamping plates are assembled in the direction of the containing groove, a driving piece comprises a vertical hydraulic cylinder and a lateral hydraulic cylinder, the lateral hydraulic cylinder is arranged in the two clamping plates in a penetrating mode, and a push rod stretches out of the side guard plate to load. The vertical hydraulic cylinder is fixed at the lower end part of the vertical channel on the vertical panel and can drive the two clamping plates to move up and down, so that the loading position of the lateral driving piece is adjusted. In use, the hydraulic support is placed at a corresponding position, the lateral hydraulic cylinders are controlled to extend out, opposite extrusion forces are formed on two side guard plates of the hydraulic support, the hydraulic support is closer to a real working condition, the problem that the existing functions are limited is solved, and the reliability of the hydraulic support is improved.
Description
Technical Field
The invention relates to the technical field of coal mining equipment detection, in particular to a loading box assembly for a side guard plate test and a hydraulic support test bed.
Background
Along with the development of coal mine technology, the hydraulic support is used as supporting equipment of a coal mining working face, and mainly realizes the functions of supporting a rock stratum at the top, maintaining a safe working space, pushing coal mining and conveying equipment, and a plurality of hydraulic supports are required to be arranged in parallel according to different widths of the working face.
The side guard plates are arranged on the two sides of the top beam and the shield beam of the hydraulic support, and are used for enabling the movable side guard plates to move outwards to seal gaps between frames when the side pushing jacks of the hydraulic support extend out, so that gangue prevention, guiding, tilting prevention, frame adjustment and the like are achieved. Correspondingly, when the side pushing jack is retracted, the movable side guard plate is retracted, and the resistance in moving the frame can be reduced, so that the adaptability of the hydraulic support in use is improved. The hydraulic support side guard plate structure that uses at present is the activity setting for both sides generally, and specifically, when hydraulic support work, one side is the activity setting, and the opposite side uses the round pin axle to fix, when the working face changes the direction, can change original fixed side into the activity side, and the activity side becomes fixed side.
The existing hydraulic support test device is mainly used for detecting the top bearing capacity of a support, a loading box is arranged above a top beam of the hydraulic support, and the top beam is vertically and downwards loaded through the loading box so as to simulate the top pressure action of a top stratum on the hydraulic support under actual working conditions. Similarly, the lateral support performance of the side guard plates is related to the reliability of coal mining safety, and if the structural strength of the side guard plates is insufficient, the side guard plates may fall down due to the lack of lateral support of the hydraulic support, so that safety accidents such as roof strata collapse and the like are caused. However, the corresponding loading test of the side guard plate is not performed before the delivery of the hydraulic support, so that whether the performance of the side guard plate is qualified or not is determined, and the problem of limited functions exists for a long time.
Disclosure of Invention
The invention aims to provide a loading box assembly for a side guard plate test, which aims to solve the problem that the existing test device has limited functions. The invention aims to provide a hydraulic support test bed so as to solve the problem that the existing test device has limited functions.
In order to achieve the above purpose, the technical scheme of the loading box assembly for the side guard plate test of the invention is as follows:
the loading box assembly for the side guard plate test comprises a loading box, wherein a side driving piece which is hung below the loading box and used for loading the side guard plate of the hydraulic support through external-to-internal jacking is arranged on the loading box, and the side driving piece comprises a jacking matching part which is used for being in jacking fit with the side guard plate.
The beneficial effects are that: the side guard plates of the hydraulic support are loaded through the side driving piece, the side guard plates are enabled to be subjected to lateral inward clamping force through the jacking fit portion, actual stress of mutual lateral support of the side guard plates of the adjacent hydraulic support under the actual working condition is simulated, bearable loading force is tested to be structural strength, the performance of the hydraulic support can be known more comprehensively, and the problem that the function of an existing test device is limited is solved.
In order to enable the loader box assembly to accommodate hydraulic brackets of different model sizes and to test for multiple positions of the side guards, the loader box assembly is further defined in that the side drive is slidably mounted up and down on the loader box to slidably adjust the position of the side drive relative to the loader box.
In order to facilitate adjustment of the vertical position of the lateral drive member, the loading box assembly is further defined as being connected with a position adjustment drive member for driving the lateral drive member to slide up and down to adjust the position.
In order to strengthen the structural strength of sliding component, prevent to lead to the fact the deformation of supporting part because of the side loading, further inject to the loading case, be provided with downwardly extending's backup pad on the loading case, be equipped with the holding tank in the backup pad, side direction driver sliding fit is in the holding tank, is equipped with two splint that the interval set up on the side direction driver, and two splint enclose into the splint interval that supplies the cell wall of holding tank to stretch into, and the relative face of two splint all with backup pad sliding fit.
In order to improve the stability of the lateral drive element in the loading position, it is further defined that at least one of the clamping plates is provided with a fastening structure which is fastened to the support plate when the lateral drive element is adjusted to the set position.
In order to improve the functionality of the loading box assembly, the influence of downward jacking on the side guard plate at the top of the hydraulic support is simulated, the loading box is further limited, the loading box comprises a box body and a floating block which is assembled at the lower part of the box body in a floating mode and can float up and down, a jacking driving piece is further arranged on the box body, the jacking driving piece and the floating block are arranged in the vertical direction so that the driving piece can jack the floating block downwards to load the top beam of the hydraulic support, a limiting structure used for limiting the floating range of the floating block in the vertical direction is further arranged on the box body, and the lateral driving piece is suspended on the floating block.
In order to simulate the actual working condition, the side guard plates are subjected to inward jacking action on two adjacent sides, the loading box is further limited, and the side driving parts are correspondingly arranged on two opposite sides of the loading box so that the side guard plates of the hydraulic support are subjected to double-sided jacking.
In order to achieve the above purpose, the technical scheme of the hydraulic support test stand of the invention is as follows:
the hydraulic support test bed comprises a frame body, wherein a lateral driving piece for loading the side guard plate of the hydraulic support from outside to inside is arranged on the frame body, and the lateral driving piece comprises a jacking fit part for jacking fit with the side guard plate.
The beneficial effects are that: the side guard plates of the hydraulic support are loaded through the side driving piece, the side guard plates are enabled to be subjected to lateral inward clamping force through the jacking fit portion, actual stress of mutual lateral support of the side guard plates of the adjacent hydraulic support under the actual working condition is simulated, bearable loading force is tested to be structural strength, the performance of the hydraulic support can be known more comprehensively, and the problem that the function of an existing test device is limited is solved.
In order to improve the applicability of the test stand, the hydraulic support test stand is further limited, a loading box capable of moving up and down is arranged on the frame body, and the lateral driving piece is suspended below the loading box.
In order to enable the loader box assembly to accommodate hydraulic brackets of different model sizes and to test for multiple positions of the side guards, the loader box assembly is further defined in that the side drive is slidably mounted up and down on the loader box to slidably adjust the position of the side drive relative to the loader box.
In order to facilitate adjustment of the vertical position of the lateral drive member, the loading box assembly is further defined as being connected with a position adjustment drive member for driving the lateral drive member to slide up and down to adjust the position.
In order to strengthen the structural strength of sliding component, prevent to lead to the fact the deformation of supporting part because of the side loading, further inject to the loading case, be provided with downwardly extending's backup pad on the loading case, be equipped with the holding tank in the backup pad, side direction driver sliding fit is in the holding tank, is equipped with two splint that the interval set up on the side direction driver, and two splint enclose into the splint interval that supplies the cell wall of holding tank to stretch into, and the relative face of two splint all with backup pad sliding fit.
In order to improve the stability of the lateral drive element in the loading position, it is further defined that at least one of the clamping plates is provided with a fastening structure which is fastened to the support plate when the lateral drive element is adjusted to the set position.
In order to improve the functionality of the loading box assembly, the influence of downward jacking on the side guard plate at the top of the hydraulic support is simulated, the loading box is further limited, the loading box comprises a box body and a floating block which is assembled at the lower part of the box body in a floating mode and can float up and down, a jacking driving piece is further arranged on the box body, the jacking driving piece and the floating block are arranged in the vertical direction so that the driving piece can jack the floating block downwards to load the top beam of the hydraulic support, a limiting structure used for limiting the floating range of the floating block in the vertical direction is further arranged on the box body, and the lateral driving piece is suspended on the floating block.
In order to simulate the actual working condition, the side guard plates are subjected to inward jacking action on two adjacent sides, the loading box is further limited, and the side driving parts are correspondingly arranged on two opposite sides of the loading box so that the side guard plates of the hydraulic support are subjected to double-sided jacking.
Drawings
FIG. 1 is a schematic front view of a hydraulic mount test stand according to embodiment 1 of the present invention;
FIG. 2 is a partial schematic view of the loadbox assembly of FIG. 1 for a skirt test;
FIG. 3 is a schematic perspective view of the side loading portion of FIG. 2;
FIG. 4 is a schematic diagram illustrating a connection relationship between the driving components in FIG. 3;
FIG. 5 is a schematic perspective view of a hydraulic mount test stand according to embodiment 1 of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
in the figure: 1-box frame structure, 10-backup pad, 11-fixed orifices, 2-side direction hydraulic cylinder, 3-vertical hydraulic cylinder, 4-interior splint, 5-backing plate, 6-bulb, 8-box, 9-floating block.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
In the embodiment 1 of the hydraulic support test stand, as shown in fig. 1 to 6, the hydraulic support test stand comprises a base, a stand column and a loading box assembly for a side guard board test, wherein the loading box assembly can be lifted and fixed on the stand column, the loading box assembly comprises a loading box and a side loading part, the loading box comprises a box body 8, a telescopic oil cylinder which can be telescopic in a horizontal plane is arranged on the box body 8, the telescopic oil cylinder is retracted into the side surface of the box body 8, the loading box is driven to climb and descend along the stand column through a climbing oil cylinder, and the loading box is fixed in a corresponding hole position of the stand column through a pin shaft. The box body 8 is internally provided with two rows of jacking hydraulic cylinders which are uniformly distributed in parallel, the cylinder body of the jacking hydraulic cylinders is fixed with the box body 8, the lower part of the box body 8 is provided with a floating block 9 in a floating mode, the jacking hydraulic cylinders and the floating block 9 are arranged along the up-down direction, and the jacking hydraulic cylinders are jacked on the floating block 9 from top to bottom through the jacking hydraulic cylinders, so that a jacking loading test is carried out on a hydraulic support below the floating block 9. When the hydraulic support is slightly deformed, the floating block 9 is slightly inclined or slightly moved in the horizontal plane, and only vertical interaction force is generated between the floating block 9 and the jacking driving piece, so that component force in the horizontal plane is avoided, and the jacking driving piece is prevented from being subjected to bending force.
The T-shaped hooks 21 are arranged on the two side parts of the box body 8, the floating blocks 9 can move up and down at the lower part of the box body 8 and are limited by the T-shaped hooks 21, so that the floating blocks are prevented from falling off from the loading box, and the safety in use is ensured. The two sides of the lower part of the floating block 9 are fixedly provided with inverted triangle box frame structures 1, the inner sides of the box frame structures 1 are provided with support plates 10 positioned in vertical planes, the inverted triangle structures have the characteristic of high strength, deformation caused by loading effect is prevented, the side guard plates of the hydraulic supports are loaded in opposite directions from the two sides, and the stress state that the hydraulic supports are mutually supported by the side guard plates of the adjacent hydraulic supports is simulated under the condition of real use. The supporting plate 10 is provided with a containing groove in parallel extending downwards, a lateral hydraulic cylinder 2 is assembled in the containing groove in a sliding way up and down, and the lateral hydraulic cylinder 2 is used for generating lateral jacking action on a side guard plate of the hydraulic support from outside to inside.
The lateral hydraulic cylinder 2 passes through the inner clamping plate 4 and the outer clamping plate and is fixedly penetrated in the hole sites of the two clamping plates, the clamping plate interval formed between the inner clamping plate 4 and the outer clamping plate is used for the groove wall of the containing groove to be embedded in, and the opposite plate surfaces of the two clamping plates are in sliding fit with the supporting plate 10. The fixed holes 11 which are arranged in parallel from bottom to top are arranged on the groove walls on the two sides of the accommodating groove on the supporting plate 10, the surface area of the inner clamping plate 4 is larger than that of the outer clamping plate, pin holes are arranged on the inner clamping plate 4 corresponding to the fixed holes 11 on the supporting plate 10, and the position of the lateral hydraulic cylinder 2 is fixed through the pin shafts which penetrate through the pin holes and the fixed holes 11, so that the stability of the lateral hydraulic cylinder 2 in a loading position is improved, and the sliding of the lateral hydraulic cylinder 2 caused by vertical component force is avoided. The lateral hydraulic cylinder 2 in this embodiment forms a lateral driving member for performing a loading test on a side guard plate of the hydraulic support, and in other embodiments, the lateral driving member may be an electric push rod, an air cylinder, or the like.
The lateral hydraulic cylinder 2 is provided with two side-by-side in the horizontal plane, the push rod of the lateral hydraulic cylinder extends out to be used for laterally and inwards propping up the side guard plate, the end part of the push rod is hinged with a strip-shaped base plate 5, the base plate 5 is provided with a plurality of hole sites, and the hole sites are used for detachably connecting the ball head 6. The ball head 6 is disassembled and directly pressed on the side guard plate through the base plate 5, so that the stress of the adjacent hydraulic support when the side guard plate extends out of the side guard plate to form lateral support is simulated, the ball head 6 is assembled, and the stress of the side guard plate of the hydraulic support when the side guard plate is supported on the side wall of the coal seam is simulated.
The vertical hydraulic cylinder 3 is arranged in the accommodating groove of the supporting plate 10, the vertical hydraulic cylinder 3 is fixed through the hole seat at the lower end of the supporting plate 10, the push rod of the vertical hydraulic cylinder is hinged with the inner clamping plate 4 and the outer clamping plate which are positioned above, the vertical hydraulic cylinder 3 stretches out and draws back to drive the lateral hydraulic cylinder 2 to adjust the loading position, the loading test can be carried out on different positions of the hydraulic support, more accurate test results are obtained, the device can be suitable for the hydraulic supports with different models and sizes, and the functionality of the device is enhanced. In use, the hydraulic support is placed in the hydraulic cylinder, the lateral hydraulic cylinder 2 is controlled to extend out, opposite extrusion forces are formed on two side guard plates of the hydraulic support, the hydraulic support is closer to the actual working condition, and the reliability of the hydraulic support is improved.
The above specific embodiment 1 is a preferred embodiment of the hydraulic support test stand of the present invention, and in other embodiments, the corresponding structure may be adjusted, simplified or further optimized as required, and specifically the following adjustment variations may be provided:
in the specific embodiment 2 of the hydraulic support test stand, the hydraulic support test stand comprises a stand body, wherein a lateral driving piece for loading the side guard plate of the hydraulic support from outside to inside in a pressing mode is arranged on the stand body, and the lateral driving piece comprises a pressing matching part for pressing and matching with the side guard plate. The lateral driving member in this embodiment may take other forms than the form of embodiment 1 described above, such as: the lateral driving piece is connected with the clamp type transmission piece, and the lateral guard plate is loaded through the clamp type transmission piece. The lateral driving piece can be directly assembled on the frame body, and also can be assembled on the frame body through the loading box.
In the embodiment 3 of the hydraulic support test stand according to the present invention, as a further optimization of the embodiment 2, in order to improve the applicability of the test stand, a loading box capable of moving up and down is mounted on the stand body, and the lateral driving member is suspended below the loading box. In other embodiments, the loading box may be fixed in an up-down position, and the test stand is provided with a lifting mechanism to drive the hydraulic support to lift up and down.
Embodiment 4 of the hydraulic mount test stand of the present invention, as a further optimization of embodiment 3, in order to enable the loading box assembly to accommodate hydraulic mounts of different model sizes and to test multiple positions of the side guards, the side drive is slidably mounted up and down on the loading box to slidably adjust the position of the side drive relative to the loading box. In other embodiments, the lateral drive members may be fixed in position and only used to load the fixed position of the hydraulic mount of the same type.
In the embodiment 5 of the hydraulic support test stand according to the present invention, as a further optimization of the embodiment 4, in order to facilitate adjustment of the vertical position of the lateral driving member, the lateral driving member is connected with a position adjustment driving member for driving the lateral driving member to slide up and down to adjust the loading position. In other embodiments, the lateral driving member may be manually adjusted to adjust the vertical position.
In the embodiment 6 of the hydraulic support test stand according to the present invention, as a further optimization of any one of the embodiments 2 to 5, in order to enhance the structural strength of the sliding assembly and prevent deformation of the supporting portion caused by lateral loading, the loading box is provided with a supporting plate extending downward, the supporting plate is provided with a receiving slot, the lateral driving member is slidably assembled in the receiving slot, the lateral driving member is provided with two clamping plates arranged at intervals, the two clamping plates enclose a clamping plate interval into which the groove wall of the receiving slot extends, and opposite plate surfaces of the two clamping plates are slidably engaged with the supporting plate. In other embodiments, the clamping plates may be replaced with an I-shaped structure having a central receiving aperture. Or a sliding component consisting of a guide rail and a sliding block assembled on the guide rail.
In a further optimization of embodiment 7 of the hydraulic support test stand according to the present invention, as for embodiment 6, in order to improve stability of the lateral driving member in the loading position, at least one of the clamping plates is provided with a fixing structure that is fixed to the support plate when the lateral driving member is adjusted to the setting position. The position of the lateral drive members may also be maintained by the position adjustment drive members.
In the embodiment 8 of the hydraulic support test stand according to the present invention, as a further optimization of the embodiment 2 or 3, in order to improve the functionality of the loading box assembly, it is simulated that the hydraulic support is influenced by the top-down pressing on the side guard, the loading box includes a box body and a floating block floatably mounted at the lower portion of the box body, the box body is further provided with a pressing driving member, the pressing driving member and the floating block are disposed in the up-down direction so that the driving member presses the floating block downwards to load the top beam of the hydraulic support, the box body is further provided with a limiting structure for limiting the floating range of the floating block in the up-down direction, and the lateral driving member is suspended on the floating block. In other embodiments, the lateral drive members may be suspended directly from the body of the load box.
In the embodiment 9 of the hydraulic support test stand according to the present invention, as a further optimization of the embodiment 2 or 3, in order to simulate the actual working condition, the side guard plates are pressed inward by two adjacent sides, and the side driving members are correspondingly disposed on two opposite sides of the loading box so that the side guard plates of the hydraulic support are pressed by two sides. In other embodiments, the lateral drive members may be provided on one side and the opposite side with stop structures secured in corresponding positions on the load box.
The loading box assembly for the side guard plate test has the same structure as the loading box in each embodiment of the hydraulic support test stand, and is not described herein.
Claims (11)
1. The loading box assembly for the side guard plate test is characterized by comprising a loading box, wherein a side driving piece which is hung below the loading box and is used for loading the side guard plate of the hydraulic support from outside to inside in a jacking mode is arranged on the loading box, and the side driving piece comprises a jacking matching part which is used for being in jacking matching with the side guard plate;
the loading box comprises a box body and a floating block which is assembled at the lower part of the box body in a floating manner and can float up and down, and the lateral driving piece is suspended on the floating block;
the jacking matching part comprises a strip-shaped base plate and a ball head detachably connected to the base plate, the ball head is directly pressed on the side guard plate through the base plate after being detached, the stress of the adjacent hydraulic support when extending out of the side guard plate to form lateral support is simulated, the ball head is assembled, and the stress of the side guard plate of the hydraulic support when being supported on the side wall of the coal seam is simulated;
be provided with downwardly extending's backup pad on the kicking block, be equipped with the holding tank in the backup pad, sliding assembly is in the holding tank from top to bottom to side direction driving piece, is equipped with two splint that the interval set up on the side direction driving piece, and two splint enclose into the splint interval that the cell wall that supplies the holding tank stretches into, and the relative face of two splint all with backup pad sliding fit.
2. The loading box assembly for the side guard test of claim 1, wherein the lateral driving member is connected with a position adjusting driving member for driving the lateral driving member to slide up and down to adjust the position.
3. The loadbox assembly for a skirt test of claim 1, wherein at least one of the clamping plates is provided with a securing structure that secures to the support plate when the lateral drive member is adjusted to the set position.
4. The loading box assembly for the side guard plate test according to claim 1, wherein the box body is further provided with a jacking driving member, the jacking driving member and the floating block are arranged in the vertical direction so that the driving member jacks the floating block downwards to load the top beam of the hydraulic support, and the box body is further provided with a limiting structure for limiting the floating range of the floating block in the vertical direction.
5. The loading box assembly for the side guard test of claim 1, wherein the side driving members are correspondingly arranged on two opposite sides of the loading box so as to enable the side guard of the hydraulic support to be pressed on two sides.
6. The hydraulic support test bed is characterized by comprising a support body, wherein a lateral driving piece for loading a side guard plate of a hydraulic support from outside to inside is arranged on the support body, and the lateral driving piece comprises a pressing fit part for pressing fit with the side guard plate;
the loading box comprises a box body and a floating block which is assembled at the lower part of the box body in a floating manner and can float up and down, and the lateral driving piece is suspended on the floating block;
the jacking matching part comprises a strip-shaped base plate and a ball head detachably connected to the base plate, the ball head is directly pressed on the side guard plate through the base plate after being detached, the stress of the adjacent hydraulic support when extending out of the side guard plate to form lateral support is simulated, the ball head is assembled, and the stress of the side guard plate of the hydraulic support when being supported on the side wall of the coal seam is simulated;
be provided with downwardly extending's backup pad on the kicking block, be equipped with the holding tank in the backup pad, sliding assembly is in the holding tank from top to bottom to side direction driving piece, is equipped with two splint that the interval set up on the side direction driving piece, and two splint enclose into the splint interval that the cell wall that supplies the holding tank stretches into, and the relative face of two splint all with backup pad sliding fit.
7. The hydraulic mount trial of claim 6, wherein the loading chamber is movably mounted to the frame.
8. The hydraulic mount trial of claim 7, wherein the lateral drive member is coupled with a position adjustment drive member for driving the lateral drive member to slide up and down to adjust the position.
9. The hydraulic mount trial of any one of claims 6-8, wherein at least one of the clamping plates is provided with a securing structure to secure the support plate when the lateral drive member is adjusted to the set position.
10. The hydraulic support test stand of claim 7, wherein the box body is further provided with a jacking driving member, the jacking driving member and the floating block are arranged in the up-down direction so that the driving member jacks the floating block downwards to load the top beam of the hydraulic support, and the box body is further provided with a limiting structure for limiting the floating range of the floating block in the up-down direction.
11. The hydraulic mount bench of claim 7 wherein the lateral drive members are correspondingly disposed on opposite sides of the loading chamber to urge the skirt of the hydraulic mount against both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810738987.5A CN108709806B (en) | 2018-07-06 | 2018-07-06 | Loading box assembly for side guard plate test and hydraulic support test bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810738987.5A CN108709806B (en) | 2018-07-06 | 2018-07-06 | Loading box assembly for side guard plate test and hydraulic support test bed |
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| CN108709806A CN108709806A (en) | 2018-10-26 |
| CN108709806B true CN108709806B (en) | 2023-10-31 |
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| CN113959701A (en) * | 2021-10-28 | 2022-01-21 | 中国煤炭科工集团太原研究院有限公司 | Comprehensive test bed and test method for hydraulic support and anti-extrusion protection structure |
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| CN108709806A (en) | 2018-10-26 |
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