CN108709806A - Side guard plate experiment load box assembly and hydraulic bracket test-bed - Google Patents
Side guard plate experiment load box assembly and hydraulic bracket test-bed Download PDFInfo
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- CN108709806A CN108709806A CN201810738987.5A CN201810738987A CN108709806A CN 108709806 A CN108709806 A CN 108709806A CN 201810738987 A CN201810738987 A CN 201810738987A CN 108709806 A CN108709806 A CN 108709806A
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- 238000002474 experimental method Methods 0.000 title claims description 14
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 15
- 239000010720 hydraulic oil Substances 0.000 abstract description 12
- 239000003245 coal Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization 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
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- 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 present invention provides a kind of side guard plates to test with load box assembly and hydraulic bracket test-bed, is related to coal excavation apparatus detection technique field.Hydraulic bracket test-bed includes load case, it includes babinet and floating block to load case, the two opposite sides of floating block are equipped with support plate, plane residing for support plate is opposite with the side guard plate of hydraulic support to be tested, holding tank is offered in support plate, is equipped with two clamping plates in holding tank guiding, actuator includes vertical and side hydraulic oil cylinder, side hydraulic oil cylinder is threaded through in two clamping plates, and push rod stretching loads side guard plate.Vertical hydraulic cylinder is fixed on the lower end of vertical conduit in vertical panel, two clamping plates can be driven to move up and down, so as to adjust the loading position of part is laterally driven.In use, hydraulic support is placed corresponding position, control side hydraulic oil cylinder stretches out, and opposite extruding force is formed to two side guard plates of hydraulic support, closer with true operating mode, solves the problems, such as that existing capability is limited, improves the reliability of hydraulic support.
Description
Technical field
The present invention relates to coal excavation apparatus detection technique fields, and in particular to side guard plate experiment load box assembly and hydraulic pressure branch
Frame testing stand.
Background technology
With the development of coal mine technology, support apparatus of the hydraulic support as coal working face is main to realize at the top of supporting
Safety work space is safeguarded in rock stratum, and passage is mined and the effect of conveying equipment, and according to the of different size of working face, needing will be more
A hydraulic support laid out in parallel is together.
The usual top beam of hydraulic support and the both sides of caving shield are equipped with side guard plate, very heavy for being pushed away in the side of hydraulic support
When top is stretched out, make to move outside movable side protection plate can gap between closed frame, play anti-cash, guiding, anti-down and the effects that adjust frame.Accordingly
Ground makes movable side protection plate retract and can reduce resistance when moving frame, in order to improve hydraulic pressure branch when the side pushes away jack and retracts
Frame adaptability in use.Hydraulic bracket side guard plate structure used at present is usually that both sides are movable setting, specifically,
When hydraulic support works, side is that activity is arranged, and the other side fixed using axis pin, can will be former when working face changes direction
The affixed side come is changed to active side, and active side becomes affixed side.
Existing hydraulic support tester mainly for detection of holder top bearing capacity, by hydraulic support
Setting load case above top beam, loads top beam by loading case vertically downwards, to simulate under actual condition, hydraulic support
It is acted on by the top pressure of cap rock layer.Similarly, the lateral support performance of side guard plate is also related to the reliability of coal work safety,
It if the structural strength of side guard plate is inadequate, may cause to topple over since hydraulic support lacks lateral support, and then cause top
The safety accidents such as rock stratum slump.But lack before hydraulic support manufacture and corresponding load test is carried out to side guard plate, with true
Whether the performance for determining side guard plate is qualified, the limited problem of long-term existence function.
Invention content
The purpose of the present invention is to provide a kind of side guard plates to test with box assembly is loaded, and exists to solve existing experimental rig
The limited problem of function.The purpose of the present invention is to provide a kind of hydraulic bracket test-bed, exist to solve existing experimental rig
The limited problem of function.
To achieve the above object, side guard plate of the invention is tested is with the technical solution of load box assembly：
It includes load case that load box assembly is used in side guard plate experiment, loads and is provided with hanging on case thereunder for hydraulic support
Side guard plate ecto-entad top pressure loaded laterally drive part, it includes for coordinating with side guard plate top pressure to laterally drive part
Top pressure auxiliary section.
Advantageous effect：The side guard plate of hydraulic support is loaded by laterally driving part, and side is made with top pressure auxiliary section
Backplate is by clamping force laterally inward, and under the conditions of simulating real working condition, the side guard plate of adjacent hydraulic support mutually laterally props up
The actual loading of support, the loading force that testing out can bear are its structural strength, can more comprehensively understand the property of hydraulic support
Can, solve the problems, such as that the function of existing experimental rig is limited.
In order to make the load box assembly can adapt to the hydraulic support of different model size, and to multiple positions of side guard plate
Tested, which further limited, it is described laterally drive part can slide up and down be assemblied in load case on so that
Part is laterally driven relative to load case sliding adjustment position.
The vertical position that part is laterally driven for the ease of adjustment, further limits the load box assembly, the lateral drive
Moving part be connected with for drive laterally drive part slide up and down with adjust position position adjust actuator.
In order to enhance the structural strength of slide assemblies, the deformation of the support section caused by lateral load is prevented, to loading case
It further limits, the support plate extended downwardly is provided on the load case, support plate is equipped with holding tank, laterally drives part cunning
It is dynamic to be assemblied in holding tank, it laterally drives part and is equipped with spaced two clamping plate, two clamping plates surround the cell wall for holding tank and stretch
The opposite plate face at the clamping plate interval entered, two clamping plates is slidably matched with support plate.
In order to improve the stability for laterally driving part and being in loading position, load case is further limited, two clamping plate
In it is at least one be equipped with when laterally driving part and being adjusted to setting position with the fixed fixed structure of support plate.
In order to improve the functionality of the load box assembly, simulates and protected by the top pressure offside of top down because of hydraulic support
The influence of plate further limits load case, the load case include babinet and floating assembly the lower part of babinet can on float downward
Dynamic floating block, is additionally provided with top pressure actuator on babinet, top pressure actuator and floating block be arranged along the vertical direction so that actuator to
Lower top pressure floating block is additionally provided on babinet to be loaded to the top beam of hydraulic support for constraining floating block in the up-down direction
Domain of walker position limiting structure, laterally drive part hanging on floating block.
In order to simulate under real working condition, side guard plate is acted on by the inside top pressure of adjacent both sides, is further limited to load case,
The part that laterally drives is correspondingly arranged at the two opposite sides for loading case so that the side guard plate of hydraulic support is by two-sided top pressure.
To achieve the above object, hydraulic bracket test-bed technical solution of the invention is：
Hydraulic bracket test-bed includes frame body, is provided on frame body for the side guard plate ecto-entad top pressure progress to hydraulic support
Load laterally drives part, and it includes the top pressure auxiliary section for coordinating with side guard plate top pressure to laterally drive part.
Advantageous effect：The side guard plate of hydraulic support is loaded by laterally driving part, and side is made with top pressure auxiliary section
Backplate is by clamping force laterally inward, and under the conditions of simulating real working condition, the side guard plate of adjacent hydraulic support mutually laterally props up
The actual loading of support, the loading force that testing out can bear are its structural strength, can more comprehensively understand the property of hydraulic support
Can, solve the problems, such as that the function of existing experimental rig is limited.
In order to improve the applicability of the testing stand, further limited to hydraulic bracket test-bed, be equipped on frame body can on
Under movable load case, it is described laterally drive part hanging load case lower section.
In order to make the load box assembly can adapt to the hydraulic support of different model size, and to multiple positions of side guard plate
Tested, which further limited, it is described laterally drive part can slide up and down be assemblied in load case on so that
Part is laterally driven relative to load case sliding adjustment position.
The vertical position that part is laterally driven for the ease of adjustment, further limits the load box assembly, the lateral drive
Moving part be connected with for drive laterally drive part slide up and down with adjust position position adjust actuator.
In order to enhance the structural strength of slide assemblies, the deformation of the support section caused by lateral load is prevented, to loading case
It further limits, the support plate extended downwardly is provided on the load case, support plate is equipped with holding tank, laterally drives part cunning
It is dynamic to be assemblied in holding tank, it laterally drives part and is equipped with spaced two clamping plate, two clamping plates surround the cell wall for holding tank and stretch
The opposite plate face at the clamping plate interval entered, two clamping plates is slidably matched with support plate.
In order to improve the stability for laterally driving part and being in loading position, load case is further limited, two clamping plate
In it is at least one be equipped with when laterally driving part and being adjusted to setting position with the fixed fixed structure of support plate.
In order to improve the functionality of the load box assembly, simulates and protected by the top pressure offside of top down because of hydraulic support
The influence of plate further limits load case, the load case include babinet and floating assembly the lower part of babinet can on float downward
Dynamic floating block, is additionally provided with top pressure actuator on babinet, top pressure actuator and floating block be arranged along the vertical direction so that actuator to
Lower top pressure floating block is additionally provided on babinet to be loaded to the top beam of hydraulic support for constraining floating block in the up-down direction
Domain of walker position limiting structure, laterally drive part hanging on floating block.
In order to simulate under real working condition, side guard plate is acted on by the inside top pressure of adjacent both sides, is further limited to load case,
The part that laterally drives is correspondingly arranged at the two opposite sides for loading case so that the side guard plate of hydraulic support is by two-sided top pressure.
Description of the drawings
Fig. 1 be the present invention hydraulic bracket test-bed specific embodiment 1 in testing stand schematic front view；
Fig. 2 is the partial schematic diagram that side guard plate experiment loads box assembly in Fig. 1；
Fig. 3 is the dimensional structure diagram of lateral loading section in Fig. 2；
Fig. 4 is the connection relationship diagram of drive component in Fig. 3；
Fig. 5 be the present invention hydraulic bracket test-bed specific embodiment 1 in testing stand stereoscopic schematic diagram；
Fig. 6 is the partial enlarged view at A in Fig. 5；
In figure：1- box-frames structure, 10- support plates, 11- mounting holes, 2- side hydraulics oil cylinder, the vertical hydraulic cylinders of 3-, 4- inner clips
Plate, 5- backing plates, 6- bulbs, 8- babinets, 9- floating blocks.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The hydraulic bracket test-bed specific embodiment 1 of the present invention, it is as shown in Figures 1 to 6, hydraulic bracket test-bed to include
Pedestal, column and lifting can be carried out on column and fixed side guard plate experiment loads box assembly, which includes
It includes babinet 8 to load case and lateral loading section, the load case, and telescopic flexible oil in the horizontal plane is provided on babinet 8
Cylinder loads case by hydraulic oil cylinder driving of climbing in 8 side of telescopic oil cylinder retraction babinet and is climbed and declined along column, passes through pin
Axis is fixed on case is loaded in the corresponding hole site of column.It is provided in babinet 8 in two rows of parallel uniformly distributed top pressure hydraulic cylinders,
The cylinder body of top pressure hydraulic cylinder is fixed with babinet 8, and the lower part floating assembly of babinet 8 has floating block 9, top pressure hydraulic cylinder and floating block 9
It is arranged along the vertical direction, by top pressure hydraulic cylinder, top pressure is on floating block 9 from the top down, to the liquid positioned at 9 lower section of floating block
Holder is pressed to carry out top pressure load test.It is pressed on top beam by the way that floating block 9 is whole, when slightly deformation occurs for hydraulic support, floating block 9
Small inclination or fine motion in the horizontal plane occur therewith, vertical phase interaction is only generated between floating block 9 and top pressure actuator
Firmly, top pressure actuator will not be avoided to be scratched power by folding because depositing component in the horizontal plane.
The both sides of babinet 8 are provided with T-type hook 21, floating block 9 can be carried out in 8 lower part of babinet it is up and down, and by T
The limit of type hook 21 prevents from falling off from load case, it is ensured that the safety in use.The both sides of 9 lower part of floating block are fixed with
The box-frame structure 1 of up-side down triangle, the inside of the box-frame structure 1 have the support plate 10 being located in vertical plane, up-side down triangle knot
Structure has the characteristics that intensity is high, prevents from causing to deform because of loading effect, to the side guard plate of hydraulic support in opposite directions add from both sides
It carries, simulates under true service condition, the hydraulic support stress that the side guard plate of discharge and adjacent hydraulic support mutually supports side by side
State.The support plate 10, which extends downwardly, is set side by side with holding tank, is slided up and down in holding tank and is equipped with side hydraulic oil cylinder 2,
Side hydraulic oil cylinder 2 is used to generate lateral top pressure to the side guard plate ecto-entad top pressure of hydraulic support and act on.
The side hydraulic oil cylinder 2 passes through inner splint 4 and external splint, and through the Kong Weizhong for being fixed on two clamping plates, inner splint 4
The clamping plate interval formed between external splint is chimeric wherein for the cell wall of holding tank, and the opposite plate face and support plate of two clamping plates
10 are slidably matched.The mounting hole 11 opened up side by side from bottom to top, inner clip are provided in support plate 10 on the both sides cell wall of holding tank
The plate face area of plate 4 is more than external splint, and correspond on inner splint 4 mounting hole 11 in support plate 10 and offers pin shaft hole, logical
It crosses and the position of lateral hydraulic cylinder 2 is fixed through the realization of the axis pin of pin shaft hole and mounting hole 11, improve side hydraulic oil cylinder 2
Stability in loading position is avoided because vertical force component leads to the sliding of side hydraulic oil cylinder 2.It is lateral in the present embodiment
Hydraulic cylinder 2 constitutes the part that laterally drives that load test is carried out to the side guard plate of hydraulic support, lateral to drive in other embodiment
Moving part can also be electric pushrod, cylinder etc..
There are two side hydraulic oil cylinder 2 is set up in parallel in the horizontal plane, push rod stretches out lateral for being carried out to side guard plate
Inside top pressure, and it is hinged with strip backing plate 5 in the end of push rod, multiple hole positions are offered on backing plate 5, hole position is for removable
Connecting ball head 6.It removes bulb 6 to be directly pressed on side guard plate by backing plate 5, has simulated adjacent hydraulic support and stretched out its side
Backplate forms stress when lateral support, loads onto bulb 6, simulate when the side guard plate of hydraulic support is supported on coal seam side wall by
Power.
Vertical hydraulic cylinder 3 is provided in the holding tank of support plate 10, it will by the hole seat positioned at 10 lower end of support plate
Vertical hydraulic cylinder 3 is fixed, and push rod and the inner splint 4 being located above and external splint are hinged, vertical hydraulic cylinder 3 it is flexible to
It drives side hydraulic oil cylinder 2 to adjust loading position, load test can be carried out to the different location of hydraulic support, obtained more accurately
Test result may also adapt to the hydraulic support of different model, size, enhance the functionality of the device.In use,
Hydraulic support is placed wherein, while controlling the stretching of side hydraulic oil cylinder 2, opposite squeeze is formed to two side guard plates of hydraulic support
Pressure, it is closer with true operating mode, improve the reliability of hydraulic support.
Above-mentioned specific embodiment 1 is the hydraulic bracket test-bed preferred embodiment of the present invention, can in other embodiment
Corresponding structure is adjusted, simplifies or be advanced optimized as needed, can specifically there are following several adjustment variations
Form：
The hydraulic bracket test-bed specific embodiment 2 of the present invention, hydraulic bracket test-bed includes frame body, is arranged on frame body useful
Part is laterally driven in what the side guard plate ecto-entad top pressure to hydraulic support was loaded, it includes for being protected with side to laterally drive part
The top pressure auxiliary section of plate top pressure cooperation.Part is laterally driven in addition to using the form in above-mentioned specific embodiment 1 in the present embodiment
Except, other forms can also be used, such as：It laterally drives part with jaw type driving member to be connected, be protected by jaw type driving member offside
Plate is loaded.Laterally driving part can be fit directly on frame body, can also be fitted on frame body by loading box installed.
The present invention hydraulic bracket test-bed specific embodiment 3 be as advanced optimizing to specific embodiment 2
The applicability of the testing stand is improved, is equipped with load case movable up and down on frame body, the part hanging that laterally drives adding
Carry the lower section of case.In other embodiment, load case can be that upper and lower position is fixed, and elevating mechanism band is arranged on testing stand at this time
Hydrodynamic pressure holder oscilaltion.
The present invention hydraulic bracket test-bed specific embodiment 4 be as advanced optimizing to specific embodiment 3
So that the load box assembly is can adapt to the hydraulic support of different model size, and multiple positions of side guard plate tested,
It is described laterally drive part can slide up and down be assemblied in load case on so that laterally drive part relative to load case sliding adjustment position.
In other embodiment, laterally drives what part can be fixedly installed with position, be only used for the fixed bit of the hydraulic support to similar model
It sets and is loaded.
The present invention hydraulic bracket test-bed specific embodiment 5 be as advanced optimizing to specific embodiment 4
Be conveniently adjusted the vertical position for laterally driving part, it is described laterally drive part and be connected with laterally drive part for driving and slide up and down
Position to adjust loading position adjusts actuator.In other embodiment, laterally driving part can be by way of manually adjusting
Carry out upper and lower position adjustment.
The hydraulic bracket test-bed specific embodiment 6 of the present invention, as to specific embodiment 2-5 any one into one
Step optimization prevents the deformation of the support section caused by lateral load, the load case to enhance the structural strength of slide assemblies
On be provided with the support plate extended downwardly, support plate is equipped with holding tank, laterally drives part and is slidedly assemblied in holding tank, laterally
Actuator is equipped with spaced two clamping plate, and two clamping plates surround the clamping plate interval stretched into for the cell wall of holding tank, two clamping plates
Opposite plate face is slidably matched with support plate.In other embodiment, two clamping plates can be substituted for the I-shaped with middle part receiving hole
Type structure.The slide assemblies that the sliding block being either assemblied on guide rail by guide rail and guiding forms.
The present invention hydraulic bracket test-bed specific embodiment 7 be as advanced optimizing to specific embodiment 6
It improves and laterally drives the stability that part be in loading position, it is at least one equipped with laterally driving part tune in two clamping plate
Section to when setting position with the fixed fixed structure of support plate.Actuator holding can also be adjusted by position laterally drives part
Position.
The hydraulic bracket test-bed specific embodiment 8 of the present invention is advanced optimized as to specific embodiment 2 or 3,
In order to improve the functionality of the load box assembly, simulate because of hydraulic support by the top pressure of top down to the shadow of side guard plate
It rings, the load case includes the floating block that babinet and floating assembly can float up and down in the lower part of babinet, and top is additionally provided on babinet
Actuator is pressed, top pressure actuator and floating block are arranged along the vertical direction so that the downward top pressure floating block of actuator is to hydraulic support
Top beam is loaded, and the position limiting structure for constraining the domain of walker of floating block in the up-down direction is additionally provided on babinet, laterally
Actuator hanging is on floating block.In other embodiment, laterally drive part can directly hanging load case babinet on.
The hydraulic bracket test-bed specific embodiment 9 of the present invention is advanced optimized as to specific embodiment 2 or 3,
In order to simulate under real working condition, side guard plate by adjacent both sides inside top pressure act on, it is described laterally drive part be correspondingly arranged at plus
The two opposite sides of case are carried so that the side guard plate of hydraulic support is by two-sided top pressure.In other embodiment, laterally driving part can be single
Side is arranged, and opposite side is the Stop structure for being fixed on load case corresponding position.
The specific embodiment of the side guard plate experiment load box assembly of the present invention, the structure and the present invention of load case therein
Hydraulic bracket test-bed each specific embodiment in load case structure it is identical, details are not described herein.
Claims (10)
1. a kind of side guard plate experiment load box assembly, characterized in that including loading case, load and be provided with hanging under it on case
Side for laterally driving part to what the side guard plate ecto-entad top pressure of hydraulic support was loaded, laterally drive part include for
The top pressure auxiliary section of side guard plate top pressure cooperation.
2. side guard plate experiment load box assembly according to claim 1, characterized in that the part that laterally drives can be upper and lower
It is slidedly assemblied on load case so as to laterally drive part relative to load case sliding adjustment position.
3. side guard plate experiment load box assembly according to claim 2, characterized in that the part that laterally drives is connected with
For drive laterally drive part slide up and down with adjust position position adjust actuator.
4. side guard plate experiment load box assembly according to claim 1 or 2, characterized in that be arranged on the load case
There are the support plate extended downwardly, support plate to be equipped with holding tank, laterally drive part and be slidedly assemblied in holding tank, laterally drive part
It is equipped with spaced two clamping plate, two clamping plates surround the clamping plate interval stretched into for the cell wall of holding tank, the opposite plate of two clamping plates
Face is slidably matched with support plate.
5. side guard plate experiment load box assembly according to claim 4, characterized in that at least one in two clamping plate
Be equipped with when laterally driving part and being adjusted to setting position with the fixed fixed structure of support plate.
6. side guard plate experiment load box assembly according to claim 1 or 2, characterized in that the load case includes case
The floating block that body and floating assembly can float up and down in the lower part of babinet is additionally provided with top pressure actuator, top pressure actuator on babinet
It is arranged along the vertical direction with floating block so that the downward top pressure floating block of actuator is to load the top beam of hydraulic support, on babinet
It is additionally provided with the position limiting structure for constraining the domain of walker of floating block in the up-down direction, laterally drives part hanging on floating block.
7. side guard plate experiment load box assembly according to claim 1 or 2, characterized in that described to laterally drive part pair
It should be arranged in the two opposite sides of load case so that the side guard plate of hydraulic support is by two-sided top pressure.
8. a kind of hydraulic bracket test-bed, characterized in that including frame body, be provided on frame body for the side guard plate to hydraulic support
What ecto-entad top pressure was loaded laterally drives part, and it includes the top pressure cooperation for coordinating with side guard plate top pressure to laterally drive part
Portion.
9. according to claim 8 hydraulic bracket test-bed, characterized in that be equipped with load movable up and down on frame body
Case, the part hanging that laterally drives is in the lower section of load case.
10. according to claim 9 hydraulic bracket test-bed, characterized in that the part that laterally drives can slide up and down dress
It fits on load case so as to laterally drive part relative to load case sliding adjustment position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738987.5A CN108709806B (en) | 2018-07-06 | 2018-07-06 | Loading box assembly for side guard plate test and hydraulic support test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
|---|---|
| CN108709806A true CN108709806A (en) | 2018-10-26 |
| CN108709806B CN108709806B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810738987.5A Active 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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