CN208502820U - A kind of constant pressure automatic moving type forepoling hydraulic support - Google Patents
A kind of constant pressure automatic moving type forepoling hydraulic support Download PDFInfo
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- CN208502820U CN208502820U CN201820642316.4U CN201820642316U CN208502820U CN 208502820 U CN208502820 U CN 208502820U CN 201820642316 U CN201820642316 U CN 201820642316U CN 208502820 U CN208502820 U CN 208502820U
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Abstract
The utility model relates to a kind of constant pressure automatic moving type forepoling hydraulic supports, are made of inner beam, outer beam, transverse beam assembly a, articulated structure a, hydraulic prop, bracket base, transverse beam assembly b, connection support beam, support beam, advancing jack, articulated structure b.There are two Wai Liang and inner beam support contact top plates for the utility model；Post top portion by articulated structure a respectively with connect support beam, support beam lower part connection；It connects support beam both ends and two outer beams is welded by a U-typed entirety by transverse beam assembly a；Inner beam is welded by an inverted " t " type entirety by transverse beam assembly b in the middle part of support beam；Advancing jack both ends by articulated structure b respectively with connect support beam, support beam connection.The utility model can move frame, crane automatically under constant-pressure conditions during advance support, avoid riding, pressure rack, bore the problems such as bottom, and structure is simple and convenient to operate, moves that frame is high-efficient, stability is strong, highly-safe.
Description
Technical field
The utility model relates to Roadway Support Technology field, specially a kind of constant pressure automatic moving type forepoling hydraulic support.
Background technique
During working face extraction, ahead work face support pressure and stope drift active workings remnants support pressure, two power of the two are folded
Add, strata behaviors are violent, cause surrounding rock of actual mining roadway deformation failure serious, and roadway support is difficult, in order to which working face is normal
Safety coal extraction needs to carry out Enhanced support in advance to tunnel in ahead work face support pressure coverage, is exceeding the time limit acutely
Minery implements individual prop cooperation beam and carries out auxiliary shoring.Currently, underground coal mine mostly uses individual prop cooperation beam progress auxiliary
Supporting is helped, supporting effect is obvious, but there is also some problems, advance of the face process, individual prop moves frame and need to manually carry out
It dismantles, be carried to the progress supporting of individual prop front end, move frame low efficiency, construction personnel's large labor intensity；Monomer supporting is independent
Supporting is hinged by articulated structure and top beam, adjacent top beam, and manually installed difficulty is big, stability is poor, safety is low, moves
Easily cause mobile deflection or riding, adaptability not strong during frame；Working face exceeds the time limit violent minery, strata behaviors
The problems such as acutely be easy to causeing pressure rack or pedestal to bore bottom moves frame to individual prop and brings difficulty, causes that advancing velocity is low, leads to difficulty
To match working face extraction speed, working face extraction efficiency is reduced；The advanced hydraulic prop of frame process back is moved frequently to unload
Pressure pressurization causes roof rock broken, brings security risk to construction personnel；Coal mine is standby there are also erection is moved automatically, there is knot
The problems such as structure is complicated, operation difficulty is big, there are also there are volumes, big, occupied space causes greatly stope drift active workings are obstructed to influence back
Adopt dash, transport, pedestrian.
Utility model content
Purpose of the utility model is to solve the defect of above-mentioned existing leading support equipment, i.e. individual prop moves frame and needs
It manually dismantled, carried, shifting frame low efficiency, large labor intensity, stability is poor, safety is low, easily causes mobile deflection or branch
Frame inclination, adaptability is not strong；It is easy to cause pressure rack or pedestal to bore bottom, cause that advancing velocity is low, reduces working face extraction efficiency；It moves
The frequent release pressurization of the advanced hydraulic prop of frame process back causes roof rock broken, brings safety hidden to construction personnel
Suffer from；In the presence of structure is complicated, operation difficulty is big, volume is big, occupied space causes greatly the obstructed influence stope drift active workings of stope drift active workings logical
The problems such as wind, transport, pedestrian.Wish to can be realized entire shifting frame process back bracket by means of advanced leading support equipment
Always frame, crane are moved automatically under pressure constant state, avoid the mobile deflection of bracket, inclination, pressure rack, bore the problems such as bottom, structure
It is simple and convenient to operate, moves that frame is high-efficient, stability is strong, highly-safe, use manpower and material resources sparingly.
The utility model is using technical solution for its technical problem of solution:
A kind of constant pressure automatic moving type forepoling hydraulic support, which is characterized in that by inner beam, outer beam, transverse beam assembly a, hinged
Structure a, hydraulic vertical prop, bracket base, transverse beam assembly b, connection support beam, support beam, advancing jack, articulated structure b
Composition；Tetra- columns of A, B, C, D are arranged in this group of forepoling hydraulic support；Pass through column and crossbeam at the top of the column
Articulated structure a respectively with connect support beam, support beam links together；The post top portion is spherical structure, connection branch
Crossbeam, support beam setting are supportted above pillar, connects support beam, the lower part of support beam is arranged to and post top portion matches
The concave structure of conjunction；The connection support beam is arranged above the lower part Wai Liang, pillar, and connection passes through above support beam both ends
Two outer beams are welded into a U-typed entirety by transverse beam assembly a；The support beam is arranged above inner beam lower part, pillar, branch
Inner beam is welded into an inverted " t " type entirety by transverse beam assembly b by top in the middle part of support crossbeam；The transverse beam assembly a setting is even
It connects above support beam both ends, i-beam structure is welded as entirety with support beam is connect；The transverse beam assembly b setting is being propped up
It supports top, i-beam structure in the middle part of crossbeam and is welded as entirety with support beam；This group of advance support hydraulic prop is provided with
Two Wai Liang and inner beam support contact top plates；Side, support beam top under the top plate is arranged in the outer beam and inner beam, is
I-beam structure；A, B, C, D four columns are set below the outer beam, inner beam, and wherein A, C column pass through articulated structure a and company
It is hinged to connect support beam, B, D column are hinged by articulated structure b and support beam；The inner beam setting is horizontal by connection support
The U-typed that beam, two transverse beam assembly a and two outer beams are welded into is whole intermediate, interior there are a fixed spacing between inner beam and two outer beams
Beam can be elapsed among U-typed entirety, be gone up and down；The advancing jack setting is in internal and external beam lower part, connection support beam, branch
Support between crossbeam, advancing jack both ends by the articulated structure b of advancing jack and crossbeam respectively with connect support beam, prop up
Support crossbeam connection.
Further, there are two Wai Liang and inner beam supports to contact top plate for this group of forepoling hydraulic support setting,
Increase and top plate contact area, prevent pressure rack, improve combined bay overall stability.
Further, the connection support beam is arranged above the lower part Wai Liang, pillar, logical above connection support beam both ends
It crosses transverse beam assembly a and two outer beams is welded into a U-typed entirety, inner beam is arranged among U-typed entirety, inner beam and two outer beams
Between there are a fixed spacings；When beam constant pressure roof supporting outside inner beam drop frame release, inner beam drop U-typed above A, C column is whole
On, inner beam can among U-typed entirety front and back be elapsed, be gone up and down up and down, connection support beam, transverse beam assembly a and
The U-typed that two outer beams are welded into is whole to play guiding role during passage, crane, prevents riding.
Further, the support beam is arranged above inner beam lower part, pillar, and top passes through crossbeam group in the middle part of support beam
Inner beam is welded into an inverted " t " type entirety by part b；When frame release inner beam constant pressure roof supporting drops in outer beam, outer beam drop is in B, D column
Two sides, outer beam can be elapsed before and after inverted " t " type on the whole two sides, be gone up and down up and down top inverted " t " type on the whole, with
The whole guiding role each other of the U-typed that connection support beam, transverse beam assembly a and two outer beams are welded into, enhancing move during frame
Stability prevents deflection in bracket moving process.
Further, A, B, C, D four columns are arranged in the outer beam, inner beam lower section, and wherein A, C column pass through articulated structure a
Hinged with support beam is connect, B, D column are hinged by articulated structure b and support beam；When advanced hydraulic support needs to move
When, the synchronous release of A, C column is shunk, and outer beam leaves back drop frame, inner beam and B, D column constant pressure roof supporting, outer beam drop
Internal and external beam lower part, connection support beam, the passage between support beam is arranged in the inverted " t " type two sides on the whole above B, D column
Jack pushes outer beam synchronous with A, C column to reach frame, and A, C column, which synchronize to be pressurized, after mobile certain position extends, and outer beam connects
Touching support back；After outer beam and A, C stablize, the synchronous release of B, D column is shunk, and inner beam leaves back drop frame, outer beam
With A, C column constant pressure roof supporting, on the whole, setting is in internal and external beam lower part, connection support for U-typed above A, C column for inner beam drop
Advancing jack between crossbeam, support beam pulls inner beam synchronous with B, D column to reach frame, moves B, D after certain position
The synchronous pressurization of column extends, and inner beam contact support back completes primary shifting frame process；It is entire to move frame process back branch
Frame is in pressure constant state always, and the frequent release pressurization of bracket is avoided to cause roof rock broken；Internal and external beam replaces pushing bracket, lifting
Frame solves the problems, such as that top plate pressure rack, pedestal bore bottom.
Possessed beneficial effect is the utility model compared with prior art: on technical aspect, the present invention and top plate
Contact area is big, can prevent pressure rack, improves combined bay overall stability；Guiding role, enhancing move frame process to internal and external beam each other
Middle stability prevents deflection and riding in bracket moving process, enhances support compatibility；It is entire to move frame process back
Bracket is in pressure constant state always, is not required to be dismantled repeatedly, carry, and labor intensity is low, while the frequent release of bracket being avoided to increase
Pressure causes roof rock broken, improves stent safety；Internal and external beam replaces pushing bracket, crane, solves top plate pressure rack, pedestal
The problem of boring bottom improves advancing velocity, improves working face extraction efficiency；Using in operating aspect, structure is simple, operation side
Just, occupy little space, is highly-safe, using manpower and material resources sparingly.
Detailed description of the invention
Working face arrangement schematic diagram when Fig. 1 is utility model works；
Fig. 2 is the utility model structure front view；
Fig. 3 is the utility model structure top view；
Fig. 4 is the utility model structural side view；
Fig. 5 is the outer girder construction front view of the utility model；
Fig. 6 is the outer girder construction side view of the utility model；
Fig. 7 is the utility model inner beam structure front view；
Fig. 8 is the utility model inner beam structural side view；
Fig. 9 is that the utility model A, C hydraulic prop move frame, front view when B, D hydraulic prop constant pressure support；
Figure 10 is that the utility model A, C hydraulic prop move frame, top view when B, D hydraulic prop constant pressure support；
Figure 11 is that the utility model A, C hydraulic prop move frame, side view when B, D hydraulic prop constant pressure support；
Figure 12 is that the utility model B, D hydraulic prop move frame, front view when A, C hydraulic prop constant pressure support；
Figure 13 is that the utility model B, D hydraulic prop move frame, top view when A, C hydraulic prop constant pressure support；
Figure 14 is that the utility model B, D hydraulic prop move frame, side view when A, C hydraulic prop constant pressure support；
In figure: 1, inner beam；2, outer beam；3, transverse beam assembly a；4, articulated structure a；5, hydraulic prop；6, bracket base；7, horizontal
Beam assembly b；8, support beam is connected；9, support beam；10, advancing jack；11, articulated structure b.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-14 is please referred to, the utility model provides a kind of technical solution: a kind of hydraulic branch of constant pressure automatic moving type advance support
Frame, by inner beam 1, outer beam 2, transverse beam assembly a 3, articulated structure a 4, hydraulic vertical prop 5, bracket base 6, transverse beam assembly b 7, connection
Support beam 8, support beam 9, advancing jack 10, articulated structure b 11 are formed；
Tetra- hydraulic vertical props 5 of A, B, C, D are arranged in this group of advance support hydraulic prop；Lead at the top of the hydraulic vertical prop 5
Cross articulated structure a 4 respectively with connect support beam 8, support beam connection 9 together；It is spherical surface at the top of the hydraulic prop 5
Structure, connection support beam 8, support beam 9 are arranged above hydraulic prop, the lower part of connection support beam 8, support beam 9
It is arranged to the concave structure matched at the top of hydraulic prop 5；The connection support beam 8 is arranged in outer 2 lower part of beam, hydraulic branch
Two outer beams 2 are welded into a U-typed entirety by transverse beam assembly a by 5 top of column, connection support beam both ends top；It is described
Support beam 9 is arranged above 1 lower part of inner beam, hydraulic prop 5, and top passes through transverse beam assembly b 7 for inner beam 1 in the middle part of support beam
It is whole to be welded into an inverted " t " type；The setting of transverse beam assembly a 3 is above connection 8 both ends of support beam, i-beam structure,
Entirety is welded as with support beam 8 is connect；The setting of transverse beam assembly b 7 is above 9 middle part of support beam, i-beam structure,
Entirety is welded as with support beam 9；There are two outer beams 2 and an inner beam 1 to support for this group of advance support hydraulic prop setting
Contact top plate；Side, 9 top of support beam under the top plate is arranged in the outer beam 2 and inner beam 1, is i-beam structure；The outer beam
2, below inner beam 1 be arranged tetra- hydraulic props 5 of A, B, C, D, wherein A, C hydraulic prop 5 by articulated structure a 4 with connect support
Crossbeam 9 is hinged, and B, D hydraulic prop 5 is hinged by articulated structure a 4 and support beam；The setting of inner beam 1 is supported by connection
The U-typed that 8, two transverse beam assembly a 3 of crossbeam and two outer beams 2 are welded into is whole intermediate, exists between inner beam 1 and two outer beams 2
One fixed spacing, inner beam 1 can be elapsed among U-typed entirety, be gone up and down；The advancing jack 10 is arranged under the outer beam 2 of inner beam 1
Portion connects between support beam 8, support beam 9, and 10 both ends of advancing jack pass through the hinge of advancing jack 10 and crossbeam 8,9
Binding structure b 11 respectively with connect support beam 8, support beam 9 connect.
This group of forepoling hydraulic support setting there are two outer beam 2 and a support contact top plate of inner beam 1, increase with
Top plate contact area prevents pressure rack, improves combined bay overall stability.
The connection support beam 8 is arranged above outer 2 lower part of beam, hydraulic prop 5, above connection 8 both ends of support beam
Two outer beams 2 are welded into a U-typed entirety by transverse beam assembly a 3, inner beam 1 is arranged among U-typed entirety, inner beam 1
There are a fixed spacings between two outer beams 2；When 2 constant pressure roof supporting of beam outside frame release drops in inner beam 1, the drop of inner beam 1 is hydraulic in A, C
On the whole, inner beam 1 can be elapsed, be gone up and down up and down in front and back among U-typed entirety 5 top U-typed of pillar, connection branch
The U-typed that support crossbeam 8, transverse beam assembly a 3 and two outer beams 2 are welded into is whole to play guiding work during passage, crane
With preventing riding.
The support beam 9 is arranged above 1 lower part of inner beam, hydraulic prop 5, and 1 middle part top of support beam passes through crossbeam
Inner beam 1 is welded into an inverted " t " type entirety by component b 7；When 1 constant pressure roof supporting of frame release inner beam drops in outer beam 2, outer beam 2
Two sides, outer beam 2 can be pushed away inverted " t " type drop before and after inverted " t " type on the whole two sides on the whole above B, D hydraulic prop 5
It moves, gone up and down up and down, integrally led each other with the U-typed that support beam 8, transverse beam assembly a 3 and two outer beams 2 are welded into is connect
To effect, enhancing moves stability during frame, prevents deflection in bracket moving process oblique.
Tetra- hydraulic props 5 of A, B, C, D are set below the outer beam 2, inner beam 1, and wherein A, C hydraulic prop 5 passes through hinged
Structure a 4 with to connect support beam 8 hinged, B, D hydraulic prop 5 is hinged by articulated structure a 4 and support beam 9；When advanced
When hydraulic support needs mobile, the synchronous release of A, C hydraulic prop 5 is shunk, and outer beam 2 leaves back drop frame, inner beam 1 and B, D
5 constant pressure roof supporting of hydraulic prop, outer beam 2 drop inverted " t " type two sides on the whole above B, D hydraulic prop 5, is arranged in inner beam 1
Outer 2 lower part of beam, the advancing jack 10 connected between support beam 8, support beam 9 push outer beam 2 and A, C hydraulic prop 5 same
It walks to reach frame, the synchronous pressurization elongation of A, C hydraulic prop 5 after mobile certain position, the outer contact of beam 2 support back；Outer beam 2
After stablizing with A, C hydraulic prop 5, the synchronous release of B, D hydraulic prop 5 is shunk, and inner beam 1 leaves back drop frame, outer beam 2 and A,
5 constant pressure roof supporting of C hydraulic prop, the drop of inner beam 1 U-typed above A, C hydraulic prop 5 on the whole, are arranged in the outer beam 2 of inner beam 1
Lower part, the advancing jack 10 connected between support beam 8, support beam 9 pull inner beam 1 synchronous with B, D hydraulic prop 5 forward
Frame is moved, the synchronous pressurization elongation of B, D hydraulic prop 5 after mobile certain position, the contact support back of inner beam 1 completes primary move
Frame process；The entire frame process back bracket that moves is in pressure constant state always, and the frequent release pressurization of bracket is avoided to lead to top plate
Rock crusher；The outer beam 2 of inner beam 1 replaces pushing bracket, crane, solves the problems, such as that top plate pressure rack, bracket base 6 bore bottom.
The working principle of the utility model is as shown in Fig. 1-Figure 13: for the normal safety coal extraction of working face, needing working
In the lead abutment pressure coverage of face Enhanced support is carried out to tunnel in advance, implements individual prop in the violent minery that exceeds the time limit and match
It closes beam and carries out auxiliary shoring, as shown in Figure 1, the present invention is mounted in front of working face in stope drift active workings, since the invention belongs to two
Outer beam 2 and an inner beam 1 support the biggish assembled hydraulic bracket of back contact area jointly, and two are mounted side by side in tunnel
Frame controls synchronizing moving assembled hydraulic bracket by hydraulic operation button and realizes bracket from shifting；Bracket and its with component part such as
Shown in Fig. 2-Fig. 8；During working face extraction, when stope drift active workings advanced hydraulic support needs mobile, A, C hydraulic prop 5 is same
It walks release to shrink, outer beam 2 leaves back drop frame, inner beam 1 and 5 constant pressure roof supporting of B, D hydraulic prop, and the outer drop of beam 2 is in B, D
Two sides, advancing jack 10 push outer beam 2 synchronous with A, C hydraulic prop 5 to Forward to 5 top inverted " t " type of hydraulic prop on the whole
Frame, 10 raw footage of advancing jack are L0, after moving certain position, i.e., 10 length of advancing jack is L1When A, C hydraulic prop 5
Synchronous pressurization elongation, the outer contact of beam 2 support back, i.e., outer beam 2 passage length synchronous with A, C hydraulic prop 5 is Δ L=
L1-L0；After outer beam 2 is stablized with A, C hydraulic prop 5, the synchronous release of B, D hydraulic prop 5 is shunk, and inner beam 1 leaves back drop
Frame, outer beam 2 and 5 constant pressure roof supporting of A, C hydraulic prop, the drop of inner beam 1 U-typed above A, C hydraulic prop 5 on the whole, elapse
Jack 10 pulls inner beam 1 synchronous with B, D hydraulic prop 5 to reach frame, and after moving certain position, i.e., advancing jack 10 is former long
Degree is L0When the synchronous pressurization elongation of B, D hydraulic prop 5, the contact support back of inner beam 1, i.e. inner beam 1 and B, D hydraulic prop 5
Synchronous passage length is Δ L=L1-L0, completes once to move frame process, specifically as shown in Fig. 9-Figure 14.It is entire to move frame process tunnel
Roof timbering is in pressure constant state always, and the frequent release pressurization of bracket is avoided to cause roof rock broken；The outer beam 2 of inner beam 1 alternating
Pushing bracket, crane solve the problems, such as that top plate pressure rack, bracket base 6 bore bottom.While there has been shown and described that this is practical new
The embodiment of type, for the ordinary skill in the art, it is possible to understand that do not departing from the principles of the present invention and essence
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where mind, the scope of the utility model is by appended
Claim and its equivalent limit.
Claims (5)
1. a kind of constant pressure automatic moving type forepoling hydraulic support, which is characterized in that by inner beam, outer beam, transverse beam assembly a, hinged knot
Structure a, hydraulic prop, bracket base, transverse beam assembly b, connection support beam, support beam, advancing jack, articulated structure b group
At；Tetra- hydraulic props of A, B, C, D are arranged in this group of forepoling hydraulic support；Pass through hydraulic branch at the top of the hydraulic prop
The articulated structure a of column and crossbeam respectively with connect support beam, support beam links together；It is ball at the top of the hydraulic prop
Face structure, connection support beam, support beam are arranged above hydraulic prop, connect support beam, the lower part of support beam is set
The concave structure for being set to and being matched at the top of hydraulic prop；The connection support beam is arranged on the lower part Wai Liang, hydraulic prop
Two outer beams are welded into a U-typed entirety by transverse beam assembly a by side, connection support beam both ends top；The support is horizontal
Beam is arranged above inner beam lower part, hydraulic prop, and inner beam is welded into one by transverse beam assembly b by top in the middle part of support beam
T-shape is whole；Above connection support beam both ends, i-beam structure is welded with support beam is connect for the transverse beam assembly a setting
It is connected in entirety；Top is arranged in the middle part of support beam in the transverse beam assembly b, and i-beam structure is welded as entirety with support beam；
There are two Wai Liang and inner beam support contact top plates for this group of advance support hydraulic prop setting；The outer beam and inner beam are set
Side, support beam top under the top plate are set, is i-beam structure；Setting A, B, C, D tetra- is hydraulic below the outer beam, inner beam
Pillar, wherein A, C hydraulic prop by articulated structure a with to connect support beam hinged, B, D hydraulic prop pass through articulated structure b
It is hinged with support beam；" U " being welded by connection support beam, two transverse beam assembly a and two outer beams is arranged in the inner beam
Type is whole intermediate, and there are a fixed spacing between inner beam and two outer beams, inner beam can be elapsed among U-typed entirety, be gone up and down；It is described
Between internal and external beam lower part, connection support beam, support beam, advancing jack both ends pass through passage thousand for advancing jack setting
Jin top with the articulated structure b of crossbeam respectively with connect support beam, support beam connection.
2. a kind of constant pressure automatic moving type forepoling hydraulic support as described in claim 1, it is characterised in that: the described group is advanced
Hydraulic support setting prevents pressure rack there are two Wai Liang and inner beam support contact top plate, increase and top plate contact area,
Improve combined bay overall stability.
3. a kind of constant pressure automatic moving type forepoling hydraulic support as described in claim 1, it is characterised in that: the connection support
Crossbeam is arranged above the lower part Wai Liang, hydraulic prop, and inner beam is arranged among U-typed entirety, when beam is permanent outside inner beam drop frame release
Press roof supporting when, inner beam drop U-typed on the whole, inner beam can among U-typed entirety front and back be elapsed, be carried out up and down
Lifting, connection support beam, transverse beam assembly a and U-typed entirety play guiding role during passage, crane, prevent from propping up
Frame inclination.
4. a kind of constant pressure automatic moving type forepoling hydraulic support as described in claim 1, it is characterised in that: the support beam
It is arranged above inner beam lower part, hydraulic prop, when frame release inner beam constant pressure roof supporting drops in outer beam, outer beam drop is in inverted " t " type
Two sides on the whole, outer beam can be elapsed before and after inverted " t " type on the whole two sides, be gone up and down up and down, horizontal with support is connect
The whole guiding role each other of beam, transverse beam assembly a and U-typed, enhancing move stability during frame, prevent in bracket moving process partially
Tiltedly.
5. a kind of constant pressure automatic moving type forepoling hydraulic support as described in claim 1, it is characterised in that: the Wai Liang, interior
Tetra- hydraulic props of A, B, C, D are set below beam, it is hinged with support beam by articulated structure, when advanced hydraulic support needs to move
When dynamic, the synchronous release of A, C hydraulic prop shrinks outer beam and leaves back drop frame, inner beam and B, D hydraulic prop constant pressure branch support
Plate, advancing jack push outer beam synchronous with A, C hydraulic prop to reach frame, move frame process back bracket and be in permanent always
Pressure condition avoids the frequent release pressurization of bracket from causing roof rock broken；Internal and external beam replaces pushing bracket, crane, solves top
The problem of plate pressure rack, pedestal bore bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642316.4U CN208502820U (en) | 2018-05-02 | 2018-05-02 | A kind of constant pressure automatic moving type forepoling hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642316.4U CN208502820U (en) | 2018-05-02 | 2018-05-02 | A kind of constant pressure automatic moving type forepoling hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502820U true CN208502820U (en) | 2019-02-15 |
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ID=65297922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820642316.4U Expired - Fee Related CN208502820U (en) | 2018-05-02 | 2018-05-02 | A kind of constant pressure automatic moving type forepoling hydraulic support |
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| CN (1) | CN208502820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442960A (en) * | 2018-05-02 | 2018-08-24 | 河南焦煤能源有限公司古汉山矿 | A kind of constant pressure automatic moving type forepoling hydraulic support |
| CN113882888A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Double-door efficient and rapid circulating self-moving anchor support integrated equipment and control method |
-
2018
- 2018-05-02 CN CN201820642316.4U patent/CN208502820U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442960A (en) * | 2018-05-02 | 2018-08-24 | 河南焦煤能源有限公司古汉山矿 | A kind of constant pressure automatic moving type forepoling hydraulic support |
| CN113882888A (en) * | 2021-11-01 | 2022-01-04 | 安徽理工大学 | Double-door efficient and rapid circulating self-moving anchor support integrated equipment and control method |
| CN113882888B (en) * | 2021-11-01 | 2024-04-19 | 安徽理工大学 | Double-door type efficient and rapid circulation self-moving anchor supporting integrated equipment and control method |
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