CN208607083U - A kind of side guard plate test load box assembly and hydraulic bracket test-bed - Google Patents
A kind of side guard plate test load box assembly and hydraulic bracket test-bed Download PDFInfo
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- CN208607083U CN208607083U CN201821069320.2U CN201821069320U CN208607083U CN 208607083 U CN208607083 U CN 208607083U CN 201821069320 U CN201821069320 U CN 201821069320U CN 208607083 U CN208607083 U CN 208607083U
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- hydraulic
- side guard
- guard plate
- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 210000002421 cell wall Anatomy 0.000 claims description 7
- 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
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method 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
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Abstract
The utility model provides a kind of side guard plate test load box assembly and hydraulic bracket test-bed, is related to coal excavation apparatus detection technique field.Hydraulic bracket test-bed includes load case, loading case includes cabinet and floating block, the two opposite sides of floating block are equipped with support plate, plane locating 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 for laterally driving part.In use, hydraulic support is placed corresponding position, control side hydraulic oil cylinder stretches out, and forms opposite extruding force to two side guard plates of hydraulic support, closer with real working condition, solves the problems, such as that existing capability is limited, improves the reliability of hydraulic support.
Description
Technical field
The utility model relates to coal excavation apparatus detection technique fields, and in particular to a kind of side guard plate test load box assembly
And it is hydraulic bracket test-bed.
Background technique
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 two sides of caving shield are equipped with side guard plate, push away for the side in hydraulic support very heavy
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 of adjust frame.Accordingly
Ground retracts movable side protection plate and can reduce resistance when moving frame, in order to improve hydraulic 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 two sides are movable setting, specifically,
When hydraulic support works, side is activity setting, and the other side fixed using pin shaft, 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 bracket 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 press 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 factory 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.
Utility model content
The purpose of this utility model is to provide a kind of side guard plates to test with box assembly is loaded, to solve existing experimental rig
There is a problem of that function is limited.The purpose of this utility model is to provide a kind of hydraulic bracket test-bed, to solve existing test
Device has that function is limited.
To achieve the above object, the side guard plate test of the utility model is with the technical solution of load box assembly:
It includes load case that side guard plate, which is tested with load box assembly, is provided with hanging on load case and is used for thereunder to hydraulic
What the side guard plate ecto-entad press of bracket was loaded laterally drives part, and laterally driving part includes for matching with side guard plate press
The press auxiliary section of conjunction.
The utility model has the advantages that loading by laterally driving part to the side guard plate of hydraulic support, and make side to press 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 is mutually laterally propped 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.
For the ease of adjusting the vertical position for laterally driving part, which is further limited, the lateral drive
Moving part be connected with for drive laterally drive part slide up and down with adjust the position of position adjust actuator.
In order to enhance the structural strength of slide assemblies, the deformation of support section caused by preventing because of lateral load, to load case
It further limits, the support plate extended downwardly is provided on the load case, support plate is equipped with holding tank, and it is sliding to laterally drive part
It is dynamic to be assemblied in holding tank, laterally drive part 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 at least one be equipped with the fixed structure fixed with support plate when laterally driving part and being adjusted to setting position.
In order to improve the functionality of the load box assembly, the press opposite side shield downward by top because of hydraulic support is simulated
The influence of plate further limits load case, the load case include cabinet and floating assembly the lower part of cabinet can on float downward
Dynamic floating block is additionally provided with press actuator on cabinet, press actuator and floating block be arranged along the vertical direction so that actuator to
Lower press floating block is additionally provided on cabinet to load to the top beam of hydraulic support for constraining floating block in the up-down direction
Floating range 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 press of adjacent two 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 press.
To achieve the above object, the hydraulic bracket test-bed technical solution of the utility model is:
Hydraulic bracket test-bed includes frame body, is provided on frame body for the side guard plate ecto-entad press to hydraulic support
What is loaded laterally drives part, and laterally driving part includes for the press auxiliary section with side guard plate press cooperation.
The utility model has the advantages that loading by laterally driving part to the side guard plate of hydraulic support, and make side to press 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 is mutually laterally propped 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.
For the ease of adjusting the vertical position for laterally driving part, which is further limited, the lateral drive
Moving part be connected with for drive laterally drive part slide up and down with adjust the position of position adjust actuator.
In order to enhance the structural strength of slide assemblies, the deformation of support section caused by preventing because of lateral load, to load case
It further limits, the support plate extended downwardly is provided on the load case, support plate is equipped with holding tank, and it is sliding to laterally drive part
It is dynamic to be assemblied in holding tank, laterally drive part 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 at least one be equipped with the fixed structure fixed with support plate when laterally driving part and being adjusted to setting position.
In order to improve the functionality of the load box assembly, the press opposite side shield downward by top because of hydraulic support is simulated
The influence of plate further limits load case, the load case include cabinet and floating assembly the lower part of cabinet can on float downward
Dynamic floating block is additionally provided with press actuator on cabinet, press actuator and floating block be arranged along the vertical direction so that actuator to
Lower press floating block is additionally provided on cabinet to load to the top beam of hydraulic support for constraining floating block in the up-down direction
Floating range 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 press of adjacent two 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 press.
Detailed description of the invention
Fig. 1 is the schematic front view of testing stand in the hydraulic bracket test-bed specific embodiment 1 of the utility model；
Fig. 2 is the partial schematic diagram of side guard plate test load box assembly in Fig. 1；
Fig. 3 is the schematic perspective view of lateral loading section in Fig. 2；
Fig. 4 is the connection relationship diagram of driving assembly in Fig. 3；
Fig. 5 is the stereoscopic schematic diagram of testing stand in the hydraulic bracket test-bed specific embodiment 1 of the utility model；
Fig. 6 is the partial enlarged view in Fig. 5 at A；
In figure: 1- box-frame structure, 10- support plate, 11- fixation hole, 2- side hydraulic oil cylinder, the vertical hydraulic cylinder of 3-, 4-
Inner splint, 5- backing plate, 6- bulb, 8- cabinet, 9- floating block.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The hydraulic bracket test-bed specific embodiment 1 of the utility model, it is as shown in Figures 1 to 6, hydraulic bracket test-bed
Including pedestal, column and the side guard plate test load box assembly that can be gone up and down and be fixed on column, the load box assembly
Include cabinet 8 including load case and lateral loading section, the load case, telescopic in the horizontal plane stretch is provided on cabinet 8
Contracting oil cylinder is climbed and is declined along column by climbing oil cylinder drive load case in 8 side of telescopic oil cylinder retraction cabinet, is led to
It crosses pin shaft and is fixed on case is loaded in the corresponding hole site of column.It is provided in cabinet 8 hydraulic in two rows of press uniformly distributed in parallel
Oil cylinder, cylinder body and the cabinet 8 for pressing hydraulic cylinder are fixed, and the lower part floating assembly of cabinet 8 has a floating block 9, press hydraulic cylinder and
Floating block 9 is arranged along the vertical direction, is pressed against on floating block 9 from the top down by pressing hydraulic cylinder, thus to 9 lower section of floating block is located at
Hydraulic support carry out press load test.It is pressed on top beam by the way that floating block 9 is whole, when slightly deformation occurs for hydraulic support,
Small inclination or fine motion in the horizontal plane occur therewith for floating block 9, only generate vertical phase between floating block 9 and press actuator
Interreaction force will not avoid press actuator from being scratched power by folding because depositing component in the horizontal plane.
The both sides of cabinet 8 are provided with T-type hook 21, floating block 9 can be carried out in 8 lower part of cabinet 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 two 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, and from two sides, the side guard plate to hydraulic support add in opposite directions
It carries, simulates under true service condition, hydraulic support discharges the stress mutually supported with the side guard plate of adjacent hydraulic support side by side
State.The support plate 10, which extends downwardly, is set side by side with holding tank, slides 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 press to the side guard plate ecto-entad press of hydraulic support and act on.
The side hydraulic oil cylinder 2 passes through inner splint 4 and external splint, and runs through and be fixed in the hole location of 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 fixation hole 11 opened up side by side from bottom to top, inner clip are provided in support plate 10 on the two sides cell wall of holding tank
The plate face area of plate 4 is greater than external splint, and correspond on inner splint 4 fixation 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 pin shaft of pin shaft hole and fixation 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 embodiments
Moving part is also possible to electric pushrod, cylinder etc..
There are two side hydraulic oil cylinder 2 is set side by side in the horizontal plane, push rod stretches out lateral for carrying out to side guard plate
Inside press, and it is hinged with strip backing plate 5 in the end of push rod, multiple hole locations are offered on backing plate 5, hole location 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, the hole seat by being located at 10 lower end of support plate will
Vertical hydraulic cylinder 3 is fixed, and push rod and the inner splint 4 and external splint that are located above are hinged, vertical hydraulic cylinder 3 it is flexible thus
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 condition, improve the reliability of hydraulic support.
Above-mentioned specific embodiment 1 is the hydraulic bracket test-bed preferred embodiment of the utility model, other embodiments
In, it can according to need and corresponding structure is adjusted, simplified or advanced optimized, can specifically there is following several adjustment
Version:
The hydraulic bracket test-bed specific embodiment 2 of the utility model, hydraulic bracket test-bed includes frame body, on frame body
It is provided with and laterally drives part for what the side guard plate ecto-entad press to hydraulic support was loaded, laterally driving part includes using
In the press auxiliary section with side guard plate press cooperation.Part is laterally driven in addition to using above-mentioned specific embodiment 1 in the present embodiment
In form except, can also use other forms, such as: laterally drive part and be connected with jaw type driving member, be driven by jaw type
Part loads side guard plate.Laterally driving part can be fit directly on frame body, can also be assemblied in frame body by loading case
On.
The hydraulic bracket test-bed specific embodiment 3 of the utility model, as to the further excellent of specific embodiment 2
Change, in order to improve the applicability of the testing stand, load case movable up and down is equipped on frame body, it is described to laterally drive part hanging
In the lower section of load case.In other embodiments, load case can be what upper and lower position was fixed, and elevator is arranged on testing stand at this time
Structure drives hydraulic support oscilaltion.
The hydraulic bracket test-bed specific embodiment 4 of the utility model, as to the further excellent of specific embodiment 3
Change, in order to make the load box assembly can adapt to the hydraulic support of different model size, and multiple positions of side guard plate is carried out
Test, 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 embodiments, laterally drives what part can be fixedly installed with position, be only used for consolidating to the hydraulic support of similar model
Positioning, which is set, to be loaded.
The hydraulic bracket test-bed specific embodiment 5 of the utility model, as to the further excellent of specific embodiment 4
Change, laterally drive the vertical position of part for the ease of adjusting, it is described laterally drive part and be connected with laterally drive part for driving
Lower slider adjusts actuator with the position for adjusting loading position.In other embodiments, laterally driving part can be by manually adjusting
Mode carry out upper and lower position adjustment.
The hydraulic bracket test-bed specific embodiment 6 of the utility model, as to specific embodiment 2-5 any one
It advanced optimizes, in order to enhance the structural strength of slide assemblies, the deformation of support section, described to add caused by preventing because of lateral load
It carrying and is provided with the support plate extended downwardly on case, support plate is equipped with holding tank, laterally drives part and be slidedly assemblied in holding tank,
Part is laterally driven equipped with spaced two clamping plate, two clamping plates surround the clamping plate interval protruded into for the cell wall of holding tank, two folders
The opposite plate face of plate is slidably matched with support plate.In other embodiments, two clamping plates can be substituted for middle part receiving hole
I-shaped structure.The slide assemblies being either made of the sliding block that guide rail and guiding are assemblied on guide rail.
The hydraulic bracket test-bed specific embodiment 7 of the utility model, as to the further excellent of specific embodiment 6
Change, in order to improve the stability for laterally driving part and being in loading position, at least one in two clamping plate, which is equipped with, is laterally being driven
Moving part is adjusted to fixed structure fixed with support plate when setting position.Actuator can also be adjusted by position keeps lateral drive
The position of moving part.
The hydraulic bracket test-bed specific embodiment 8 of the utility model, as to the further of specific embodiment 2 or 3
Optimization, in order to improve the functionality of the load box assembly, simulates because the hydraulic support press downward by top is to side guard plate
Influence, the load case includes floating block that cabinet and floating assembly can float up and down in the lower part of cabinet, is also set up on cabinet
There is press actuator, presses actuator and floating block is arranged along the vertical direction so that actuator presses floating block downwards to hydraulic branch
The top beam of frame is loaded, and the position limiting structure for constraining the floating range of floating block in the up-down direction is additionally provided on cabinet,
Part hanging is laterally driven on floating block.In other embodiments, laterally drive part can directly hanging load case cabinet on.
The hydraulic bracket test-bed specific embodiment 9 of the utility model, as to the further of specific embodiment 2 or 3
Optimization, in order to simulate under real working condition, side guard plate is acted on by the inside press of adjacent two sides, and the part that laterally drives is correspondingly arranged
In the two opposite sides of load case so that the side guard plate of hydraulic support is by two-sided press.In other embodiments, laterally driving part can
With unilateral side setting, opposite side is the Stop structure for being fixed on load case corresponding position.
The utility model side guard plate test with load box assembly specific embodiment, it is therein load case structure and this
The structure that case is loaded in hydraulic bracket test-bed each specific embodiment of utility model is identical, and details are not described herein.
Claims (15)
1. a kind of side guard plate test load box assembly, characterized in that including loading case, load and be provided with hanging under it on case
Side laterally drives part for what is loaded to the press of the side guard plate ecto-entad of hydraulic support, laterally drive part include for
The press auxiliary section of side guard plate press cooperation.
2. side guard plate test 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 test 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 the position of position adjust actuator.
4. side guard plate test load box assembly according to claim 1 or 2, characterized in that be arranged on the load case
There is the support plate extended downwardly, support plate is equipped with holding tank, laterally drives 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 protruded 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 test load box assembly according to claim 4, characterized in that at least one in two clamping plate
It is equipped with the fixed structure fixed with support plate when laterally driving part and being adjusted to setting position.
6. side guard plate test 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 cabinet is additionally provided with press actuator on cabinet, presses actuator
It is arranged along the vertical direction with floating block so that actuator presses downwards floating block to load to the top beam of hydraulic support, on cabinet
It is additionally provided with the position limiting structure for constraining the floating range of floating block in the up-down direction, laterally drives part hanging on floating block.
7. side guard plate test load box assembly according to claim 1 or 2, characterized in that described to laterally drive part pair
The two opposite sides of load case should be set so that the side guard plate of hydraulic support is by two-sided press.
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 press was loaded laterally drives part, and laterally driving part includes cooperating for the press with side guard plate press cooperation
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.
11. according to claim 10 hydraulic bracket test-bed, characterized in that the part that laterally drives is connected with for band
The dynamic part that laterally drives is slided up and down to adjust the position of position and adjust actuator.
12. hydraulic bracket test-bed according to claim 8-11 any one, characterized in that be arranged on the load case
There is the support plate extended downwardly, support plate is equipped with holding tank, laterally drives 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 protruded into for the cell wall of holding tank, the opposite plate of two clamping plates
Face is slidably matched with support plate.
13. according to claim 12 hydraulic bracket test-bed, characterized in that at least one in two clamping plate is equipped with
The fixed structure fixed with support plate when laterally driving part and being adjusted to setting position.
14. according to claim 9 or 10 hydraulic bracket test-bed, characterized in that the load case includes cabinet and floats
It is dynamic to be assemblied in the floating block that the lower part of cabinet float up and down, it is additionally provided with press actuator on cabinet, presses actuator and floating block
It is arranged along the vertical direction so that actuator presses floating block downwards to loading to the top beam of hydraulic support, is also set up on cabinet
There is the position limiting structure for constraining the floating range of floating block in the up-down direction, laterally drives part hanging on floating block.
15. according to claim 9 or 10 hydraulic bracket test-bed, characterized in that the part that laterally drives is correspondingly arranged
In the two opposite sides of load case so that the side guard plate of hydraulic support is by two-sided press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069320.2U CN208607083U (en) | 2018-07-06 | 2018-07-06 | A kind of side guard plate test load box assembly and hydraulic bracket test-bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069320.2U CN208607083U (en) | 2018-07-06 | 2018-07-06 | A kind of side guard plate test load box assembly and hydraulic bracket test-bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607083U true CN208607083U (en) | 2019-03-15 |
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ID=65668043
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821069320.2U Expired - Fee Related CN208607083U (en) | 2018-07-06 | 2018-07-06 | A kind of side guard plate test load box assembly and hydraulic bracket test-bed |
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| Country | Link |
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| CN (1) | CN208607083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709806A (en) * | 2018-07-06 | 2018-10-26 | 郑州四维机电装备制造有限公司 | Side guard plate experiment load box assembly and hydraulic bracket test-bed |
-
2018
- 2018-07-06 CN CN201821069320.2U patent/CN208607083U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709806A (en) * | 2018-07-06 | 2018-10-26 | 郑州四维机电装备制造有限公司 | Side guard plate experiment load box assembly and hydraulic bracket test-bed |
| CN108709806B (en) * | 2018-07-06 | 2023-10-31 | 郑州四维机电装备制造有限公司 | Loading box assembly for side guard plate test and hydraulic support test bed |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 |