CN208749383U - Brettis with adjustable multistage waste rock board - Google Patents
Brettis with adjustable multistage waste rock board Download PDFInfo
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- CN208749383U CN208749383U CN201821020368.4U CN201821020368U CN208749383U CN 208749383 U CN208749383 U CN 208749383U CN 201821020368 U CN201821020368 U CN 201821020368U CN 208749383 U CN208749383 U CN 208749383U
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- waste rock
- rock board
- level
- pedestal
- fixedly connected
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Abstract
Brettis with adjustable multistage waste rock board, including pedestal and the top beam being connect by telescopic hydraulic pillar with pedestal, caving shield is provided between pedestal and top beam, connecting rod and waste rock board component, the upper end of caving shield and top beam are hinged, the lower end of caving shield and the upper end of connecting rod are hinged, the lower end of connecting rod and pedestal are hinged, waste rock board component includes the level-one waste rock board set gradually from top to bottom, second level waste rock board and three-level waste rock board, the top of level-one waste rock board is fixedly connected by bolt with top beam, the lower part of level-one waste rock board is provided with slot, the lower part of three-level waste rock board is fixedly connected by bolt with pedestal, the top of three-level waste rock board is fixedly connected with the lower part of second level waste rock board, the top of second level waste rock board is inserted in the slot of level-one waste rock board lower part, there are two jack for setting on level-one waste rock board, the cylinder body and level-one of jack Waste rock board is fixedly connected, and the free end of the piston rod of jack is fixedly connected with second level waste rock board.
Description
Technical field
The utility model relates to mining bracket technical fields, more particularly to the pile formula branch with adjustable multistage waste rock board
Frame.
Background technique
In coal mining production process, the removal of home stopping surface of fully-mechanized mining working is that mine realizes that high-yield and high-efficiency is subjected to
Process.Fully mechanized coal face number of devices is more, tonnage is big, and the speed of fully mechanized coal face equipment returning is to influence the key point of face take-over.
Currently, the tunnel of high-seam working face equipment returning is to carry out advance support using brettis.When pile formula
When bracket reaches highest supporting height, waste rock board height and area are smaller, keep the gap between top beam and pedestal too big, top beam connects
The top time is long, and by the lateral roof pressure collective effect of lead abutment pressure and goaf, two help coal wall stress to significantly increase, meeting
Generate moderate finite deformation so that two help coal wall to generate the part situations collapsing and be crushed, coal wall collapse and it is broken caused by cash
Stone can enter the gap between top beam and pedestal, will lead to the hydraulic system damage for chopping formula bracket, and threaten the work of staff
Industry safety.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of the utility model is to provide the pile formulas with adjustable multistage waste rock board
Bracket, structure is simple, easy to adjust, and waste rock board length changes with the change of brettis height, prevents gangue from entering top
Brettis is more protected in gap between beam and pedestal comprehensively.
The technical scheme adopted by the utility model is the brettis with adjustable multistage waste rock board, including pedestal
With the top beam connecting by telescopic hydraulic pillar with pedestal, caving shield, connecting rod and waste rock board group are provided between pedestal and top beam
Part, the upper end of caving shield and top beam are hinged, and the lower end of caving shield and the upper end of connecting rod are hinged, and the lower end of connecting rod and pedestal are hinged,
The waste rock board component includes the level-one waste rock board, second level waste rock board and three-level waste rock board set gradually from top to bottom, and described one
The top of grade waste rock board is fixedly connected by bolt with top beam, and the lower part of level-one waste rock board is provided with slot, and the three-level keeps off cash
The lower part of plate is fixedly connected by bolt with pedestal, and the top of three-level waste rock board is fixedly connected with the lower part of second level waste rock board, and two
The top of grade waste rock board is inserted in the slot of level-one waste rock board lower part, jack there are two settings on the level-one waste rock board,
The cylinder body of jack is fixedly connected with level-one waste rock board, and the free end of the piston rod of jack is fixedly connected with second level waste rock board,
It is flexible to drive second level waste rock board to move up and down in slot by the piston rod of jack.
Setting is fixedly connected there are two supporting rib, described one end for reinforcing supporting rib is reinforced with pedestal on the pedestal, separately
One end is fixedly connected with three-level waste rock board.
Described two jack are set in parallel.
Compared with prior art, the utility model has the following beneficial effects: it is described in the utility model with adjustable
The brettis of multistage waste rock board, structure is simple, easy to adjust, and waste rock board length changes with the change of brettis height,
It prevents gangue from entering the gap between top beam and pedestal, more protects brettis comprehensively.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model.
Embodiment 1
As shown in Figure 1, with adjustable multistage waste rock board brettis, including pedestal 2 and pass through telescopic hydraulic pillar 3
The top beam 4 connecting with pedestal 2 is provided with caving shield 5, connecting rod 6 and waste rock board component 1 between pedestal 2 and top beam 4.
The upper end of caving shield 5 is by hinged with top beam 4, and the lower end of caving shield 5 and the upper end of connecting rod 6 are hinged, under connecting rod 6
End is hinged with pedestal 2.
The waste rock board component 1 includes level-one waste rock board 101, the second level waste rock board 102 and three set gradually from top to bottom
Grade waste rock board 103.
The top of the level-one waste rock board 101 is fixedly connected by bolt with top beam 4, and the lower part of level-one waste rock board 101 is set
It is equipped with slot.
The lower part of the three-level waste rock board 103 is fixedly connected by bolt with pedestal 2, the top of three-level waste rock board 103 and
The lower part of second level waste rock board 102 is fixedly connected.
The top of second level waste rock board 102 is inserted in the slot of 101 lower part of level-one waste rock board, the level-one waste rock board 101
There are two jack 104 for upper setting.
The cylinder body of jack 104 is fixedly connected with level-one waste rock board 101, the free end of the piston rod of jack 104 and two
Grade waste rock board 102 is fixedly connected, by the piston rod of jack 104 it is flexible to drive second level waste rock board 102 in slot on
Lower movement.
When top beam 4 moves up and down under the action of telescopic hydraulic pillar 3, level-one waste rock board 101 on top beam 4 also with moving down
Dynamic, the effectively gear cash length of second level waste rock board 102 also increases with it or reduces.
Reinforce supporting rib 7, described one end for reinforcing supporting rib 7 and the fixed company of pedestal 2 on the pedestal 2 there are two settings
It connects, the other end is fixedly connected with three-level waste rock board 103.So that the utility model structure is more stable.
Described two jack 104 are set in parallel.So that the utility model structure is more compact, it is more convenient to use,
Second level waste rock board 102 is controlled more accurate.
Embodiment 2
As shown in Figure 1, with adjustable multistage waste rock board brettis, including pedestal 2 and pass through telescopic hydraulic pillar 3
The top beam 4 connecting with pedestal 2 is provided with caving shield 5, connecting rod 6 and waste rock board component 1 between pedestal 2 and top beam 4.
The upper end of caving shield 5 is hinged by the first pin shaft and top beam 4, and the lower end of caving shield 5 passes through the second pin shaft and connecting rod 6
Upper end it is hinged, the lower end of connecting rod 6 is hinged by third pin shaft and pedestal 2.
The waste rock board component 1 includes level-one waste rock board 101, the second level waste rock board 102 and three set gradually from top to bottom
Grade waste rock board 103.
The top of the level-one waste rock board 101 is fixedly connected by bolt with top beam 4, and the lower part of level-one waste rock board 101 is set
It is equipped with slot.Slot is vertically arranged.
The lower part of the three-level waste rock board 103 is fixedly connected by bolt with pedestal 2, the top of three-level waste rock board 103 and
The lower part of second level waste rock board 102 is fixedly connected.
The top of second level waste rock board 102 is inserted in the slot of 101 lower part of level-one waste rock board, the level-one waste rock board 101
There are two jack 104 for upper setting.
The cylinder body of jack 104 is fixedly connected with level-one waste rock board 101, the free end of the piston rod of jack 104 and two
Grade waste rock board 102 is fixedly connected, by the piston rod of jack 104 it is flexible to drive second level waste rock board 102 in slot on
Lower movement.
When top beam 4 moves up and down under the action of telescopic hydraulic pillar 3, level-one waste rock board 101 on top beam 4 also with moving down
Dynamic, the effectively gear cash length of second level waste rock board 102 also increases with it or reduces.
Reinforce supporting rib 7, described one end for reinforcing supporting rib 7 and the fixed company of pedestal 2 on the pedestal 2 there are two settings
It connects, the other end is fixedly connected with three-level waste rock board 103.So that the utility model structure is more stable.
Described two jack 104 are set in parallel.So that the utility model structure is more compact, it is more convenient to use,
Second level waste rock board 102 is controlled more accurate.
It is provided with the first groove on level-one waste rock board 101, the second groove, the first groove are provided on second level waste rock board 102
Be connected the space formd for placing two jack 104 with the second groove.Guarantee jack 104 to second level waste rock board
102 control.
Above-described embodiment gives detailed embodiment and specific operation premised on technical solutions of the utility model
Process, but the protection scope of the utility model is not limited to the above embodiments.
Claims (1)
1. with adjustable multistage waste rock board brettis, including pedestal (2) and pass through telescopic hydraulic pillar (3) and pedestal
(2) top beam (4) connected, is provided with caving shield (5), connecting rod (6) and waste rock board component (1) between pedestal (2) and top beam (4),
Hingedly, the lower end of caving shield (5) and the upper end of connecting rod (6) are hinged, the lower end of connecting rod (6) for the upper end and top beam (4) of caving shield (5)
It is hinged with pedestal (2), it is characterised in that: the waste rock board component (1) includes the level-one waste rock board set gradually from top to bottom
(101), the top of second level waste rock board (102) and three-level waste rock board (103), the level-one waste rock board (101) passes through bolt and top
Beam (4) is fixedly connected, and the lower part of level-one waste rock board (101) is provided with slot, and the lower part of the three-level waste rock board (103) passes through spiral shell
Bolt is fixedly connected with pedestal (2), and the top of three-level waste rock board (103) is fixedly connected with the lower part of second level waste rock board (102), second level
The top of waste rock board (102) is inserted in the slot of level-one waste rock board (101) lower part, is arranged on the level-one waste rock board (101)
There are two jack (104), the cylinder body of jack (104) is fixedly connected with level-one waste rock board (101), the work of jack (104)
The free end of stopper rod is fixedly connected with second level waste rock board (102), flexible to drive second level by the piston rod of jack (104)
Waste rock board (102) moves up and down in slot；There are two supporting rib (7) are reinforced, the reinforcement is supported for setting on the pedestal (2)
One end of muscle (7) is fixedly connected with pedestal (2), and the other end is fixedly connected with three-level waste rock board (103)；Described two jack
(104) it is set in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020368.4U CN208749383U (en) | 2018-06-29 | 2018-06-29 | Brettis with adjustable multistage waste rock board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020368.4U CN208749383U (en) | 2018-06-29 | 2018-06-29 | Brettis with adjustable multistage waste rock board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749383U true CN208749383U (en) | 2019-04-16 |
Family
ID=66055277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821020368.4U Active CN208749383U (en) | 2018-06-29 | 2018-06-29 | Brettis with adjustable multistage waste rock board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749383U (en) |
-
2018
- 2018-06-29 CN CN201821020368.4U patent/CN208749383U/en active Active
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