CN212130525U - Self-moving type two-lane advanced hydraulic support - Google Patents
Self-moving type two-lane advanced hydraulic support Download PDFInfo
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- CN212130525U CN212130525U CN202020766686.6U CN202020766686U CN212130525U CN 212130525 U CN212130525 U CN 212130525U CN 202020766686 U CN202020766686 U CN 202020766686U CN 212130525 U CN212130525 U CN 212130525U
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Abstract
A self-moving two-lane hydraulic support comprises two support groups which are symmetrically arranged and have the same structure, wherein each support group comprises a front stacking support and a rear stacking support which are longitudinally arranged and have the same structure; the front stack type support and the rear stack type support respectively comprise a base, a top beam, a stand column, a turnover plate and a turnover jack; the front stack type support top beam and the rear stack type support top beam are connected through a telescopic mechanism, the telescopic mechanism comprises a telescopic beam and a telescopic jack, two end parts of the telescopic beam are respectively hinged with top beam hinge holes of the front stack type support and the rear stack type support through pin shafts, and two end parts of the telescopic jack are respectively hinged with the front stack type support top beam and the rear stack type support top beam; the front stack type support base and the rear stack type support base are connected through a pushing jack; the two front stacking type supports and the two rear stacking type supports are connected through anti-falling jacks respectively; the utility model discloses can be from moving to the sky top region, the quick supporting tunnel roof reaches and combines the quick propulsion demand of adopting the working face.
Description
Technical Field
The utility model belongs to the technical field of the colliery is combined and is adopted working face advance support equipment, especially, relate to a two lane hydraulic support in advance of self-advancing formula.
Background
According to the requirements of coal mine safety regulations, supports must be reinforced within the influence range of the advance pressure of the junction of a coal face safety outlet and a roadway, and the length of the reinforced support roadway is not less than 20 m; the roadway height of the comprehensive mechanized coal face in the range cannot be lower than 1.8m, and the roadway height of other coal faces in the range cannot be lower than 1.6 m. The hydraulic support is a structure used for controlling the mine pressure of the coal face, the mine pressure acts on the hydraulic support, the hydraulic support ensures the safety and stability in the mine, and the stack type forepoling is one of a plurality of hydraulic supports. At present, when a domestic mine is supported by a stack type forepoling, in order to avoid repeatedly supporting a roof, the stack type forepoling supported by the rear end of a roadway is moved to the front end of the roadway for supporting, and the roadway is supported circularly according to the method.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a compact structure, make processing simply, operation convenient to use's two lane leading hydraulic support of formula of moving certainly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a self-moving two-lane hydraulic support comprises two support groups which are symmetrically arranged on an upper side and a lower side of a lane and have the same structure, wherein each support group comprises a front stacking support and a rear stacking support which are longitudinally arranged and have the same structure; the front stack type support and the rear stack type support respectively comprise a base, a top beam, upright columns, a turnover plate and a turnover jack, the telescopic upright columns are respectively arranged between the base and the top beam, the outer sides of the bases are respectively hinged with the turnover plate, and the upper end of the turnover plate is provided with the turnover jack for controlling the turnover plate to be horizontal; the front stack type support top beam and the rear stack type support top beam are connected through a telescopic mechanism, the telescopic mechanism comprises a telescopic beam and a telescopic jack, two end parts of the telescopic beam are respectively hinged with top beam hinge holes of the front stack type support and the rear stack type support through pin shafts, and two end parts of the telescopic jack are respectively hinged with the front stack type support top beam and the rear stack type support top beam; the front stack type support base and the rear stack type support base are connected through a pushing jack; the two front stacking type supports and the two rear stacking type supports are connected through anti-falling jacks respectively.
Furthermore, the two ends of the anti-falling jack are respectively connected with an anti-falling connector through step pin shafts, the anti-falling connectors are respectively hinged with the top beam through rotating pins, and the rotating pins are respectively connected with the top beam through anti-falling pins.
Furthermore, the upper end of the turnover jack is arranged at the upper end of the base, and the movable end of the turnover jack is hinged with the turnover plate.
Furthermore, the turnover plate is designed by adopting a ship-shaped body structure.
Furthermore, two end parts of the pushing jack are respectively hinged with the base hinge holes of the front stack type support and the rear stack type support through pin shafts.
Adopt above-mentioned technical scheme, the utility model has the advantages of as follows:
1. the utility model realizes the supporting and the lifting of the front stack type support and the rear stack type support through the extension and retraction of the upright post; the turnover plate is tightly attached to the ground through a turnover jack; the front stacking type support is pushed by the rear stacking type support through the telescopic jack and the pushing jack, and the rear stacking type support is pulled by the front stacking type support, so that the self-moving type advanced hydraulic support can quickly support a top plate, and the empty roof condition is avoided;
2. the two support groups are connected together through the anti-falling connector and the anti-falling jack to form a portal anti-falling arrangement, and when the support is pushed, pulled and moved, the two support groups are alternately pushed, pulled and moved;
3. to summer up, the utility model discloses can be from moving to the sky top region, the tunnel roof is strutted fast, reaches to combine the quick propulsion demand of adopting the working face.
Drawings
Fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is the utility model discloses an operating condition layout.
In the figure: the device comprises a front stack type support 1, a rear stack type support 2, a telescopic beam 3, a telescopic jack 4, a pushing jack 5, a tilting prevention jack 6, a tilting prevention connector 7, a tilting plate 8, a tilting prevention jack 9 and a control valve 10.
Detailed Description
As shown in fig. 1-3, the self-moving two-lane hydraulic support of the present invention comprises two support groups symmetrically disposed on the upper and lower sides of the lane and having the same structure, wherein the support groups comprise a front stack support 1 and a rear stack support 2 which are longitudinally disposed and have the same structure; the front stack type support 1 and the rear stack type support 2 respectively comprise a base, a top beam, upright columns, a turnover plate 8 and a turnover jack 9, the telescopic upright columns are respectively arranged between the base and the top beam, the turnover plates 8 are respectively hinged to the outer sides of the base, and the upper end of each turnover plate 8 is provided with the turnover jack 9 for controlling the turnover plate to be horizontal; the front stack type support 1 top beam and the rear stack type support 2 top beam are connected through a telescopic mechanism, the telescopic mechanism comprises a telescopic beam 3 and a telescopic jack 4, two end portions of the telescopic beam 3 are hinged with top beam hinged holes of the front stack type support 1 and the rear stack type support 2 through pin shafts respectively, two end portions of the telescopic jack 4 are hinged with the front stack type support 1 top beam and the rear stack type support 2 top beam respectively, the telescopic mechanism achieves push-pull action of the top, and guidance performance of the hydraulic support when the hydraulic support is pushed, pulled and moved is guaranteed.
The base of the front stack type support 1 is connected with the base of the rear stack type support 2 through a pushing jack 5, two end parts of the pushing jack 5 are respectively hinged with the base hinge holes of the front stack type support 1 and the base hinge holes of the rear stack type support 2 through pin shafts, and the pushing jack 5 provides main power for pushing and pulling the moving frame.
Between two preceding buttress formula supports 1 and between two back buttress formula supports 2 all be connected through preventing down jack 6, prevent down jack 6 both ends and have through step round pin hub connection respectively and prevent down connector 7, prevent down connector 7 and articulate through the back timber sleeve of commentaries on classics round pin with two preceding buttress formula supports 1 respectively, prevent down connector 7 and articulate through the back timber sleeve of turning round pin with two back buttress formula supports 2 respectively, respectively through anti-drop pin joint between commentaries on classics round pin and the back timber sleeve. Two support groups link together through preventing down connector 7, preventing down jack 6, form the gate-type and prevent down arranging, and when the push-and-pull moved the frame, two support groups push-and-pull in turn moved by oneself.
The upper end of the turning jack 9 is arranged at the upper end of the base, and the movable end of the turning jack 9 is hinged with the turning plate 8.
The turning plate 8 adopts a ship-shaped body structure design, which is beneficial to reducing the working resistance when pushing, pulling and moving the frame.
The control valve 10 controls the upright column, the turning jack 9, the telescopic jack 4 and the pushing jack 5 to stretch, the hydraulic control system belongs to the conventional technology, the utility model discloses a technical personnel of the hydraulic control system industry can all design by oneself, do not do the detail here.
The utility model discloses the during operation: the control valve 10 is used for controlling the extension and retraction of the upright column, so that the front stack type support and the rear stack type support are supported and lifted; the overturning jack 9 is operated by the control valve 10 to tightly attach the overturning plate to the ground; the telescopic jack 4 and the pushing jack 5 are operated through the control valve 10, the rear stack type support 2 pushes the front stack type support 1, the front stack type support 1 pulls the rear stack type support 2, and the two support groups alternately push and pull to move automatically, so that the self-moving type advanced hydraulic support can quickly support a top plate, and the empty roof condition is avoided.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (5)
1. The utility model provides a two lane hydraulic support in advance of self-propelled which characterized in that: the support device comprises two support groups which are symmetrically arranged on an upper side and a lower side of a roadway and have the same structure, wherein each support group comprises a front stack type support (1) and a rear stack type support (2) which are longitudinally arranged and have the same structure; the front stack type support (1) and the rear stack type support (2) respectively comprise a base, a top beam, upright columns, a turnover plate (8) and a turnover jack (9), the telescopic upright columns are respectively arranged between the base and the top beam, the turnover plates (8) are respectively hinged to the outer sides of the base, and the upper end of each turnover plate (8) is provided with the turnover jack (9) for controlling the turnover plate to be horizontal; the top beam of the front stack type support (1) is connected with the top beam of the rear stack type support (2) through a telescopic mechanism, the telescopic mechanism comprises a telescopic beam (3) and a telescopic jack (4), two end parts of the telescopic beam (3) are respectively hinged with top beam hinge holes of the front stack type support (1) and the rear stack type support (2) through pin shafts, and two end parts of the telescopic jack (4) are respectively hinged with the top beam of the front stack type support (1) and the top beam of the rear stack type support (2); the base of the front stack type support (1) is connected with the base of the rear stack type support (2) through a pushing jack (5); the two front stack type supports (1) and the two rear stack type supports (2) are respectively connected through a falling prevention jack (6).
2. The self-propelled two-lane hydraulic advance support of claim 1, wherein: the anti-falling jack is characterized in that two ends of the anti-falling jack (6) are respectively connected with an anti-falling connector (7) through step pin shafts, the anti-falling connectors (7) are respectively hinged with the top beam through rotating pins, and the rotating pins are respectively connected with the top beam through anti-falling pins.
3. The self-advancing two-lane hydraulic advance support according to claim 1 or 2, wherein: the upper end of the overturning jack (9) is arranged at the upper end of the base, and the movable end of the overturning jack (9) is hinged with the overturning plate (8).
4. The self-advancing two-lane hydraulic advance support of claim 3, wherein: the turning plate (8) is designed by adopting a ship-shaped body structure.
5. The self-advancing two-lane hydraulic advance support of claim 4, wherein: and two end parts of the pushing jack (5) are respectively hinged with base hinge holes of the front stack type support (1) and the rear stack type support (2) through pin shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766686.6U CN212130525U (en) | 2020-05-11 | 2020-05-11 | Self-moving type two-lane advanced hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766686.6U CN212130525U (en) | 2020-05-11 | 2020-05-11 | Self-moving type two-lane advanced hydraulic support |
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| Publication Number | Publication Date |
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| CN212130525U true CN212130525U (en) | 2020-12-11 |
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| CN202020766686.6U Active CN212130525U (en) | 2020-05-11 | 2020-05-11 | Self-moving type two-lane advanced hydraulic support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047883A (en) * | 2021-05-11 | 2021-06-29 | 三一重型装备有限公司 | Pushing structure and advance hydraulic support |
| CN113482635A (en) * | 2021-07-08 | 2021-10-08 | 淮北矿业股份有限公司 | Parallel construction method for installing and expanding cutting brush based on stack type support reinforced long-span top plate |
-
2020
- 2020-05-11 CN CN202020766686.6U patent/CN212130525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047883A (en) * | 2021-05-11 | 2021-06-29 | 三一重型装备有限公司 | Pushing structure and advance hydraulic support |
| CN113482635A (en) * | 2021-07-08 | 2021-10-08 | 淮北矿业股份有限公司 | Parallel construction method for installing and expanding cutting brush based on stack type support reinforced long-span top plate |
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