CN211202019U - Excavation working face roof protective structure - Google Patents
Excavation working face roof protective structure Download PDFInfo
- Publication number
- CN211202019U CN211202019U CN201922431367.XU CN201922431367U CN211202019U CN 211202019 U CN211202019 U CN 211202019U CN 201922431367 U CN201922431367 U CN 201922431367U CN 211202019 U CN211202019 U CN 211202019U
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- hydraulic
- hydraulic cylinder
- face roof
- roof
- rod
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Abstract
The utility model relates to a digging operation face roof protective structure discloses one kind and can expand and receive, and can freely adjust the protective structure of the regional area is strutted in the expansion of its formation. Can form multi-point support, and the support is stable. The anti-skid hydraulic cylinder is characterized in that one end of a second hydraulic cylinder is perpendicularly arranged on a bottom plate, a second hydraulic rod is sleeved in the other end of the second hydraulic cylinder, a plurality of fixing lugs are arranged on the outer wall of the other end of the second hydraulic cylinder at equal angles, one end of a first hydraulic cylinder is hinged to the fixing lugs, one end of a first hydraulic push rod is sleeved in the other end of the first hydraulic cylinder, a bottom support plate is hinged to the other end of the first hydraulic push rod, a groove is formed in the top of the bottom support plate, a plurality of connecting lugs are arranged on the outer wall of the other end of the first hydraulic cylinder at equal angles, one ends of a plurality of connecting rods are hinged to the connecting lugs in one-to-one correspondence, the other end of the connecting rods is hinged to the other end of the second hydraulic rod, a threaded hole is formed in.
Description
Technical Field
The utility model relates to a dig operation face roof protective structure relates to one kind and carries out the protective structure who protects the roof when digging the face operation, belongs to the coal mine equipment field. In particular to a protective structure which can be unfolded and folded and can freely adjust the area of an unfolded supporting area formed by the protective structure.
Background
The coal mine roof is a rock stratum located above a coal seam in a coal mine, the coal seam roof is divided into a false roof, an immediate roof and an old roof, in the process of underground coal mining, the phenomenon that the upper mine stratum can collapse naturally is roof fall, and the life safety of operators is threatened.
The publication number CN209324387U discloses a coal mine underground inclined mining supporting device, which structurally comprises a top plate and supporting legs, wherein a protective net is arranged on the upper surface of the top plate, the periphery of the protective net is arranged on a frame, the section of the frame is a right angle with a downward opening, a rectangular protruding platform is arranged on the top plate, and the frame is matched with the protruding platform; be provided with the mounting groove on the bottom surface of roof, the supporting leg includes the screw rod, peg graft in the mounting groove on the top of screw rod, the lower part cover of screw rod is put in the outer tube, be provided with bevel gear drive mechanism on the screw rod, bevel gear drive mechanism includes first bevel gear and second bevel gear, first bevel gear passes through screw-thread fit and installs on the screw rod, first bevel gear meshes with second bevel gear mutually, the outside of outer tube is stretched out to the gear shaft of second bevel gear, first bevel gear normal position is rotatory, its roof frame construction of this supporting device is fixed, the supporting area when unable adjustment roof is strutted according to the demand.
Notice No. CN206309412U discloses an umbrella-type point post formula temporary support for coal mine tunnel, including the main frame, the main frame is by the alternate 2 horizontal braces that set up of parallel and the plane frame structure that a plurality of longitudinal braces of parallel arrangement between 2 horizontal braces constitute, be provided with the arch that makes progress on the main frame, with the corresponding arc carriage of coal mine tunnel vault radian, be equipped with the support tie-beam on the arc carriage, the support point post includes the base, altitude mixture control post and cylinder, its top arc carriage structural fixation of this umbrella type supporting construction, it is fixed to support the area, can't carry out nimble regulation according to the in-service use demand.
Disclosure of Invention
In order to improve the condition, the utility model relates to a dig operation face roof protective structure provides one kind and can expand and receive, and can freely adjust the protective structure of the regional area of expansion support of its formation. Can form multi-point support, and the support is stable.
The utility model relates to a dig operation face roof protective structure is realized like this: the utility model relates to a protective structure for a top plate of an excavation working face, which comprises a bottom supporting plate, a hydraulic push rod, a hydraulic cylinder, a second hydraulic cylinder, a bottom plate, a fixing lug, a second hydraulic rod, a connecting lug and a groove, wherein one end of the second hydraulic cylinder is vertically arranged on the bottom plate, the second hydraulic rod is sleeved in the other end of the second hydraulic cylinder, a plurality of fixing lugs are arranged on the outer wall of the other end of the second hydraulic cylinder at equal angles, one end of the first hydraulic cylinder is hinged on the fixing lugs, one end of the first hydraulic push rod is sleeved in the other end of the first hydraulic cylinder, the bottom supporting plate is hinged on the other end of the first hydraulic push rod, the groove is arranged on the top of the bottom supporting plate, a plurality of connecting lugs are arranged on the outer wall of the other end of the first hydraulic cylinder at equal angles, one ends of a plurality of connecting rods are hinged on a plurality of connecting lugs in one-to-one, the bottom plate is provided with a threaded hole, the bottom bracing plate is provided with anti-skidding teeth, the bottom of the bottom plate is provided with a detachable moving wheel, and the bottom bracing plate is a triangular plate.
Has the beneficial effects.
Firstly, the area of the formed unfolding supporting area can be freely adjusted.
And secondly, multi-point support can be formed, and the support is stable.
Thirdly, the structure is simple, and the movement is convenient.
Drawings
Fig. 1 is a three-dimensional structure diagram of a roof protection structure of a mining working face.
Fig. 2 is a schematic structural view of a roof supporting plate of a roof protection structure of an excavation working face.
Fig. 3 the utility model relates to a three-dimensional structure chart when digging operation face roof protective structure is folding to be accomodate.
In the attached drawings
Wherein the method comprises the following steps: bottom fagging 1, hydraulic push rod 2, pneumatic cylinder 3, pneumatic cylinder 4 No. two, bottom plate 5, fixed ear 6, hydraulic stem 7 No. two, connecting rod 8, engaging lug 9, recess 10.
The specific implementation mode is as follows:
the utility model relates to a protective structure for the top plate of an excavation working face, which is realized by a bottom support plate 1, a hydraulic push rod 2, a hydraulic cylinder 3, a second hydraulic cylinder 4, a bottom plate 5, a fixed lug 6, a second hydraulic rod 7, a connecting rod 8, a connecting lug 9 and a groove 10, wherein one end of the second hydraulic cylinder 4 is vertically arranged on the bottom plate 5, the second hydraulic rod 7 is sleeved in the other end of the second hydraulic cylinder 4, a plurality of fixed lugs 6 are arranged on the outer wall of the other end of the second hydraulic cylinder 4 at equal angles, one end of the first hydraulic cylinder 3 is hinged on the fixed lug 6, one end of the first hydraulic push rod 2 is sleeved in the other end of the first hydraulic cylinder 3, the bottom support plate 1 is hinged on the other end of the first hydraulic push rod 2, the top of the bottom support plate 1 is provided with the groove 10, a plurality of connecting lugs 9 are arranged on the outer wall of the other end of the first hydraulic, one end of each connecting rod 8 is hinged to each connecting lug 9 in a one-to-one correspondence mode, the other end of each connecting rod 8 is hinged to the other end of the second hydraulic rod 7, a threaded hole is formed in the bottom plate 5, anti-skidding teeth are arranged on the bottom supporting plate 1, a detachable moving wheel is arranged at the bottom of the bottom plate 5, and the bottom supporting plate 1 is a triangular plate;
when the hydraulic lifting device is used, in an initial state, the first hydraulic cylinder 3 is in a vertical state, and the support rod and the first hydraulic push rod 2 are accommodated together, so that the carrying and moving of personnel are facilitated;
when the roof needs to be protected, a person moves the protection structure to the bottom of the roof needing to be supported, the second hydraulic cylinder 4 pushes the second hydraulic rod 7 to extend to drive the other end of the connecting rod 8 to move upwards, one end of the connecting rod 8 supports the other end of the first hydraulic cylinder 3, the first hydraulic cylinder 3 rotates around the fixing lug 6 hinged to one end of the first hydraulic cylinder 3, the first hydraulic cylinders 3 are unfolded to form umbrella-shaped unfolding, meanwhile, the first hydraulic cylinder 3 pushes the corresponding first hydraulic push rod 2 to extend out, the bottom supporting plate 1 on the other end of the first hydraulic push rod 2 is supported on the roof, the groove 10 in the bottom supporting plate 1 is matched with the lug on the roof to form limiting fixing, the roof is supported in multiple points, the unfolding degree of the first hydraulic push rod 2 can be adjusted according to the area of the roof, and the supporting effect is good;
the bottom of the bottom plate 5 is provided with a detachable movable wheel, and after the movable wheel is used, the movable wheel can be installed so as to be moved and carried;
the bottom plate 5 is provided with a threaded hole, and can be further fixed by matching with a screw;
the purpose of unfolding and folding the foldable support can be achieved, and the area of an unfolding and supporting area formed by the foldable support can be freely adjusted.
The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. A kind of excavation working face roof protective structure, its characteristic is: by end fagging, hydraulic rod, a hydraulic cylinder, No. two pneumatic cylinders, bottom plate, fixed ear, No. two hydraulic rods, connecting rod, engaging lug and recess constitution, on the bottom plate was arranged perpendicularly to the one end of No. two pneumatic cylinders, in No. two hydraulic rod cover were arranged in the other end of No. two pneumatic cylinders, a plurality of fixed ears have been put to equidistance on No. two pneumatic cylinder other end outer walls, on the one end of a pneumatic cylinder is articulated to be arranged in fixed ear, in the other end of a pneumatic cylinder was arranged in to the one end cover of a hydraulic rod, on the articulated other end of arranging a hydraulic rod of end shoring board, a plurality of engaging lugs have been put to equidistance on the other end outer wall of a pneumatic cylinder, on a plurality of engaging lugs were arranged in to the one-to-one end one-to-one of a plurality of connecting rods.
2. The mining face roof guard structure of claim 1, wherein the roof of the bottom gusset is recessed.
3. The mining face roof guard structure of claim 2, wherein the shoe has anti-slip teeth disposed thereon.
4. A working face roof shield arrangement as claimed in claim 3, wherein the base plate is a triangular plate.
5. The mining face roof shield structure of claim 1, wherein the floor has removable wheels at the bottom.
6. The mining face roof guard structure according to claim 5, wherein the floor has threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431367.XU CN211202019U (en) | 2019-12-30 | 2019-12-30 | Excavation working face roof protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431367.XU CN211202019U (en) | 2019-12-30 | 2019-12-30 | Excavation working face roof protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202019U true CN211202019U (en) | 2020-08-07 |
Family
ID=71856048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922431367.XU Expired - Fee Related CN211202019U (en) | 2019-12-30 | 2019-12-30 | Excavation working face roof protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202019U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211638A (en) * | 2020-09-21 | 2021-01-12 | 内蒙古金陶股份有限公司 | Support device for raise excavation and raise excavation method |
| CN113123467A (en) * | 2021-03-19 | 2021-07-16 | 中国建筑第八工程局有限公司 | Fold line type tree-shaped supporting structure |
| CN117646639A (en) * | 2024-01-25 | 2024-03-05 | 北京科技大学 | Mining portable full-section supporting metal net temporary supporting device and method |
-
2019
- 2019-12-30 CN CN201922431367.XU patent/CN211202019U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211638A (en) * | 2020-09-21 | 2021-01-12 | 内蒙古金陶股份有限公司 | Support device for raise excavation and raise excavation method |
| CN113123467A (en) * | 2021-03-19 | 2021-07-16 | 中国建筑第八工程局有限公司 | Fold line type tree-shaped supporting structure |
| CN117646639A (en) * | 2024-01-25 | 2024-03-05 | 北京科技大学 | Mining portable full-section supporting metal net temporary supporting device and method |
| CN117646639B (en) * | 2024-01-25 | 2024-04-02 | 北京科技大学 | Mining portable full-section supporting metal net temporary supporting device and method |
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Legal Events
| 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: 20200807 Termination date: 20201230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |