CN209293833U - A kind of mining thin layer coal hydraulic bracket - Google Patents
A kind of mining thin layer coal hydraulic bracket Download PDFInfo
- Publication number
- CN209293833U CN209293833U CN201821992130.8U CN201821992130U CN209293833U CN 209293833 U CN209293833 U CN 209293833U CN 201821992130 U CN201821992130 U CN 201821992130U CN 209293833 U CN209293833 U CN 209293833U
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- CN
- China
- Prior art keywords
- support plate
- top support
- pedestal
- guidance set
- thin layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model belongs to coal mine operating equipment technical field, specifically a kind of mining thin layer coal hydraulic bracket, including top support plate, electrohydraulic cylinder, pedestal and guidance set；Electrohydraulic cylinder is fixedly connected with pedestal, and electrohydraulic cylinder is fixedly connected with top support plate；Guidance set is uniformly arranged between top support plate and pedestal along the circumferencial direction of electrohydraulic cylinder, and the upper end of guidance set is connect with the lower surface of top support plate, and the lower end of guidance set is connect with the upper surface of pedestal；Top support plate is equipped with sliding slot, slidably connects expansion plate in sliding slot, is uniformly provided with support bar on expansion plate；Reinforcing rib is equipped between top support plate and guidance set and electrohydraulic cylinder；Expansion plate is unfolded in the size of the utility model Support Position as needed, by increasing bearing area, improves stability when work, while can freely adjust bearing area, expands the scope of application.
Description
Technical field
The utility model belongs to coal mine operating equipment technical field, specifically a kind of mining thin layer coal hydraulic bracket.
Background technique
Hydraulic support is the works for controlling coal working face mine pressure.Adopt the form effect carried other than face mine pressure
On hydraulic support.It in hydraulic support and adopts in the mechanical system that face country rock interacts, if each supporting member of hydraulic support closes
Power and top plate act on the resultant force of the outer load on hydraulic support just same straight line, then it is very suitable to adopt face country rock to this for the hydraulic support
It answers.Structure is complicated for existing coal-mine hydraulic support, takes up a large area, and is not suitable for the support in small space mine operation face.
Patent document 1: a kind of coal-mine hydraulic support, application number: 2017200550814
In above patent document 1, a kind of coal-mine hydraulic support is provided, the hydraulic rack structure is simple, it occupies little space,
Mine operation face can be supported in small space；It is cheap, it is suitable for batch and uses；Pedestal uses earth anchor and ground
It is fixedly connected, improves the stability of pedestal during support；The utility model can use in narrow space, when work
Staff is not influenced to shuttle in channel movement；But above-mentioned hydraulic support is not easy to protect fortune, and discontinuity equalization,
The case where being easy to appear inclination.
Utility model content
In order to make up for the deficiencies of the prior art, the utility model proposes a kind of mining thin layer coal hydraulic bracket, this is practical
It is novel to be used using the guidance set cooperation electrohydraulic cylinder of tapered arrangement, the structural strength of entire bracket is improved, and
Guidance set uses screw-type connection mode, is easily installed and dismantles.
The technical scheme adopted by the utility model to solve the technical problem is as follows: one kind described in the utility model is mining thin
Layer coal hydraulic bracket, including top support plate, electrohydraulic cylinder, pedestal and four guidance sets；Under the electrohydraulic cylinder
End is fixedly connected to the upper surface of the base, the fixed company in the upper end of the piston rod of electrohydraulic cylinder and the lower surface of top support plate
It connects；The guidance set is uniformly arranged the lower surface in top support plate and the upper table of pedestal along the circumferencial direction of electrohydraulic cylinder
Between face, and the upper end of each guidance set is connect with the lower surface of top support plate, the lower end of each guidance set with
The upper surface of pedestal connects；The top support plate is equipped with sliding slot, slidably connects expansion plate in sliding slot, on expansion plate uniformly
Equipped with support bar；Reinforcing rib is equipped between the top support plate and guidance set and electrohydraulic cylinder；When work, electronic liquid
Cylinder pressure driving top support plate is raised up to the position for needing to support, and electrohydraulic cylinder selects DW45-200/100X (Q) type, simultaneously
The size of Support Position as needed, is unfolded expansion plate, by increasing bearing area, improves stability when work, while can
Bearing area is freely adjusted, the scope of application is expanded；By the support and guiding of guidance set, top support plate is avoided, is risen
Run-off the straight in the process influences using effect；And the reinforcing rib between top support plate and guidance set and electrohydraulic cylinder, add
The strong support effect of the hydraulic support, improves the stability of support, improves the safety of use.
Preferably, the base lower surface is hinged with universal wheel, when needing replacing position, by pulling shift position,
It is time saving and energy saving, reduce labor intensity of workers.
Preferably, the hinged place of the universal wheel is also hinged with bundle the thin end of the scroll；When work, do not need with when will prick the thin end of the scroll
Rotation upwards is rotated down, penetrates in the soil using position when needing to fix using position, increases stability when using.
Preferably, the bundle the thin end of the scroll is equipped with barb structure；When work, barb structure improves the road holding for pricking the thin end of the scroll,
Further increase stability when use.
Preferably, the upper surface of the top support plate is equipped with one layer of rubber membrane, and rubber membrane is wavy shaped configuration；Work
When, by squeezing rubber membrane, squeezes out the air of rubber film surface slowly, can be closely adhered to the upper surface of top support plate
On the support surface, increase forced area, improve the stability of work.
Preferably, the guidance set is all made of with the position connected between top support plate and pedestal and is threadedly coupled；Work
When making, it is threadedly coupled easy to disassemble and assembling, is convenient for carrying and replaces corresponding accessory, do not need integral replacing, economize on resources,
Improve the utilization rate of resource.
Preferably, trapezium structure is formed between the guidance set and top support plate and pedestal；When work, guidance set
Trapezium structure is formed between top support plate and pedestal keeps support construction more stable, improves support effect.
The beneficial effects of the utility model are as follows:
1. the utility model drives top support plate to be raised up to the position for needing to support, while basis by electrohydraulic cylinder
The size of Support Position is needed, expansion plate is unfolded, by increasing bearing area, improves stability when work, while can be free
Bearing area is adjusted, the scope of application is expanded；By the support and guiding of guidance set, top support plate is avoided, rises process
Middle run-off the straight, influences using effect；And the reinforcing rib between top support plate and guidance set and electrohydraulic cylinder, it strengthens
The support effect of the hydraulic support improves the stability of support, improves the safety of use.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the main view of the utility model；
Fig. 2 is the unfolding assumption diagram of top support plate；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is the partial enlarged view in Fig. 1 at B；
In figure: top support plate 1, expansion plate 11, support bar 12, electrohydraulic cylinder 2, piston rod 21, pedestal 3, guiding group
Part 4, pricks the thin end of the scroll 7 at universal wheel 6.
Specific embodiment
It is said as follows using a kind of mining thin layer coal hydraulic bracket of Fig. 1-Fig. 4 to one embodiment of the utility model
It is bright.
As depicted in figs. 1 and 2, a kind of mining thin layer coal hydraulic bracket described in the utility model, including top support plate
1, electrohydraulic cylinder 2, pedestal 3 and four guidance sets 4；The fixed company in the lower end of the electrohydraulic cylinder 2 and the upper surface of pedestal 3
It connects, the upper end of the piston rod 21 of electrohydraulic cylinder 2 is fixedly connected with the lower surface of top support plate 1；The guidance set 4 is along electricity
The circumferencial direction of hydrodynamic cylinder pressure 2 is uniformly arranged between the lower surface of top support plate 1 and the upper surface of pedestal 3, and each institute
The upper end for stating guidance set 4 is connect with the lower surface of top support plate 1, the lower end of each guidance set 4 with pedestal 3
Upper surface connection；The top support plate 1 is equipped with sliding slot, and sliding slot can use dovetail groove, slidably connect and stretch in sliding slot
Contracting plate 11 is uniformly provided with support bar 12 on expansion plate 11；Between the top support plate 1 and guidance set 4 and electrohydraulic cylinder 2
It is equipped with reinforcing rib；When work, electrohydraulic cylinder 2 drives top support plate 1 to be raised up to the position for needing to support, electrohydraulic cylinder
2 select DW45-200/100X (Q) type, while the size of Support Position as needed, and expansion plate 11 is unfolded, is supported by increasing
Area improves stability when work, while can freely adjust bearing area, expands the scope of application；Pass through guidance set 4
Support and guiding, avoid top support plate 1, run-off the straight during rise influences using effect；And top support plate 1 with lead
Reinforcing rib between component 4 and electrohydraulic cylinder 2 strengthens the support effect of the hydraulic support, improves the stabilization of support
Property, it improves the safety of use.
As shown in figures 1 and 3,3 lower surface of pedestal is hinged with universal wheel 6, and the tire of universal wheel 6 uses inflated rubber
The surface wrap of formula tire, inflated rubber formula tire has antiskid chain, when needing replacing position, by pulling shift position, saves
Shi Shengli reduces labor intensity of workers.
The thin end of the scroll 7 is pricked as shown in figure 3, being hinged at the shaft of the universal wheel 6；When work, do not need with when will prick
The thin end of the scroll 7 rotates upwards, when needing to fix using position, is rotated down, penetrates in the soil using position, increases steady when using
It is qualitative.
As shown in figure 3, the bundle the thin end of the scroll 7 is equipped with barb structure；When work, barb structure, which improves, pricks grabbing for the thin end of the scroll 7
Soil fertility further increases stability when use.
As shown in figure 4, the position connected between the guidance set 4 and top support plate 1 and pedestal 3 is all made of screw thread company
It connects；When work, it is threadedly coupled easy to disassemble and assembling, is convenient for carrying and replaces corresponding accessory, do not need integral replacing, is saved
Resource improves the utilization rate of resource.
As shown in Figure 1, forming trapezium structure between the guidance set 4 and top support plate 1 and pedestal 3；When work, lead
Keep support construction more stable to trapezium structure is formed between component 4 and top support plate 1 and pedestal 3, improves support effect.It leads
It is two steel pipes being mutually socketed to component 4, is realized and locked by fast disassembly type retaining mechanism between two steel pipes.
Specific workflow is as follows:
When work, electrohydraulic cylinder 2 drives top support plate 1 to be raised up to the position for needing to support, and electrohydraulic cylinder 2 is selected
W45-200/100X (Q) type, while the size of Support Position as needed, are unfolded expansion plate 11, by increasing bearing area, mention
Stability when height work, while bearing area can be freely adjusted, expand the scope of application；By the support of guidance set 4 and
Guiding, avoids top support plate 1, run-off the straight during rise influences using effect；And top support plate 1 and guidance set 4
Reinforcing rib between electrohydraulic cylinder 2 strengthens the support effect of the hydraulic support, improves the stability of support, improves
The safety that uses.
In the description of the present invention, it should be understood that term " center ", "front", "rear", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom" "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to scope of protection of the utility model.
Although the utility model be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, not
In the case where being detached from the scope of the utility model, various transformation and equivalent substitute can also be carried out to the utility model.In addition, being directed to
Particular condition or material can do various modifications to the utility model, without departing from the scope of the utility model.Therefore, this reality
It is not limited to disclosed specific embodiment with novel, and should include the whole fallen within the scope of the utility model claims
Embodiment.
Claims (6)
1. a kind of mining thin layer coal hydraulic bracket, it is characterised in that: including top support plate (1), electrohydraulic cylinder (2), pedestal
(3) and four guidance sets (4)；The lower end of the electrohydraulic cylinder (2) is fixedly connected with the upper surface of pedestal (3), electronic liquid
The upper end of the piston rod (21) of cylinder pressure (2) is fixedly connected with the lower surface of top support plate (1)；The guidance set (4) is along electricity
The circumferencial direction of hydrodynamic cylinder pressure (2) is uniformly arranged between the lower surface of top support plate (1) and the upper surface of pedestal (3), and
The upper end of each guidance set (4) is connect with the lower surface of top support plate (1), the lower end of each guidance set (4) with
The upper surface of pedestal (3) connects；The top support plate (1) is equipped with sliding slot, slidably connects expansion plate (11) in sliding slot, stretches
Support bar (12) are uniformly provided on contracting plate (11)；The top support plate (1) and guidance set (4) and electrohydraulic cylinder (2) it
Between be equipped with reinforcing rib (5).
2. a kind of mining thin layer coal hydraulic bracket according to claim 1, it is characterised in that: pedestal (3) lower surface
It is hinged with universal wheel (6), universal wheel (6) tire uses inflated rubber formula tire, and the surface wrap of inflated rubber formula tire has anti-
Slot.
3. a kind of mining thin layer coal hydraulic bracket according to claim 2, it is characterised in that: the universal wheel (6) turns
It is hinged at axis and pricks the thin end of the scroll (7).
4. a kind of mining thin layer coal hydraulic bracket according to claim 3, it is characterised in that: set on the bundle the thin end of the scroll (7)
There is barb structure.
5. a kind of mining thin layer coal hydraulic bracket according to claim 1, it is characterised in that: the guidance set (4) with
Trapezium structure is formed between top support plate (1) and pedestal (3).
6. a kind of mining thin layer coal hydraulic bracket according to claim 1, it is characterised in that: the guidance set (4) with
The position connected between top support plate (1) and pedestal (3) is all made of threaded connection；Guidance set (4) is two mutually sockets
Steel pipe, locking is realized by fast disassembly type retaining mechanism between two steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992130.8U CN209293833U (en) | 2018-11-29 | 2018-11-29 | A kind of mining thin layer coal hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992130.8U CN209293833U (en) | 2018-11-29 | 2018-11-29 | A kind of mining thin layer coal hydraulic bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293833U true CN209293833U (en) | 2019-08-23 |
Family
ID=67656665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992130.8U Expired - Fee Related CN209293833U (en) | 2018-11-29 | 2018-11-29 | A kind of mining thin layer coal hydraulic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538270A (en) * | 2018-11-29 | 2019-03-29 | 安徽省皖北煤电集团有限责任公司 | A kind of mining thin layer coal hydraulic bracket |
-
2018
- 2018-11-29 CN CN201821992130.8U patent/CN209293833U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538270A (en) * | 2018-11-29 | 2019-03-29 | 安徽省皖北煤电集团有限责任公司 | A kind of mining thin layer coal hydraulic bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Paper coal hydraulic bracket for mining Effective date of registration: 20191029 Granted publication date: 20190823 Pledgee: Agricultural Bank of China Limited Suzhou Branch Pledgor: WANBEI COAL-ELECTRICITY GROUP CO., LTD. Registration number: Y2019340000157 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210601 Granted publication date: 20190823 Pledgee: Agricultural Bank of China Limited Suzhou Branch Pledgor: WANBEI COAL-ELECTRICITY GROUP Co.,Ltd. Registration number: Y2019340000157 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20201129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |