CN212359811U - Hydraulic support for coal mining working face of coal mine - Google Patents
Hydraulic support for coal mining working face of coal mine Download PDFInfo
- Publication number
- CN212359811U CN212359811U CN202021076009.8U CN202021076009U CN212359811U CN 212359811 U CN212359811 U CN 212359811U CN 202021076009 U CN202021076009 U CN 202021076009U CN 212359811 U CN212359811 U CN 212359811U
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- China
- Prior art keywords
- ladder
- workbench
- hydraulic support
- hydraulic cylinder
- coal mine
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Abstract
The utility model discloses a coal mine coal face hydraulic support, in particular to the technical field of coal mine coal mining, which comprises a workbench, wherein a first hydraulic cylinder is fixedly arranged on the lower surface of the workbench, expansion platforms which are movably arranged are embedded in the two sides of the workbench, and a telescopic unit for driving the expansion platforms to stretch is arranged between the workbench and the expansion platforms; a ladder is arranged on the front side of the workbench. The utility model has the advantages of being scientific and reasonable in structure, convenient operation, the extension platform through setting up can realize the area regulation of workstation, enlarges its application range, makes it be applicable to different operational environment, improves its practicality, it is fixed to have solved traditional hydraulic support workstation area, has the problem of certain use limitation, the ladder through setting up can make things convenient for colliery constructor's climbing work, improves its convenience, the regulation unit through setting up can realize that the rotation of ladder is folding, reduces its space occupancy.
Description
Technical Field
The utility model relates to a colliery coal mining technology field specifically is a colliery coal face hydraulic support.
Background
The hydraulic support is a structure for controlling the mine pressure of a coal face, is a hydraulic power device which generates supporting force by using liquid pressure and realizes automatic movement to support and manage a top plate, and is indispensable supporting equipment for comprehensive mechanized coal mining.
However, the area of a workbench in a hydraulic support of a coal mining working face on the market at present is fixed, the hydraulic support cannot be adjusted according to actual use requirements, certain use limitations are achieved, the practicability is poor, meanwhile, in the use process of the existing hydraulic support, construction personnel need to climb by means of external climbing equipment, and the production cost is increased. Accordingly, one skilled in the art provides a hydraulic support for a coal face of a coal mine to address the problems set forth in the background above.
Disclosure of Invention
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a colliery coal face hydraulic support through the extension platform that sets up, can realize that the area of workstation is adjusted, enlarges its application range, makes it be applicable to different operational environment, has solved the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic support for a coal mining working face of a coal mine comprises a workbench, wherein a first hydraulic cylinder is fixedly mounted on the lower surface of the workbench, movably arranged expansion platforms are embedded into two sides of the workbench, and a telescopic unit for driving the expansion platforms to stretch is arranged between the workbench and the expansion platforms; a ladder is arranged on the front side of the workbench.
As a further aspect of the present invention: the telescopic unit comprises a first movable shaft and a second movable shaft, wherein the first movable shaft is rotatably installed below the workbench, the second movable shaft is rotatably installed below the expansion platform, and a second hydraulic cylinder is rotatably installed between the first movable shaft and the second movable shaft.
As a further aspect of the present invention: the ladder is rotatably connected with the workbench, and an adjusting unit used for controlling the ladder to rotate is arranged between the ladder and the workbench.
As a further aspect of the present invention: the adjusting unit is a third hydraulic cylinder, one end of the third hydraulic cylinder is rotatably connected with the workbench, and the other end of the third hydraulic cylinder is rotatably connected with the ladder.
As a further aspect of the present invention: the ladder comprises a fixed ladder, and an extension ladder is movably arranged at the lower end of the fixed ladder.
As a further aspect of the present invention: the front side of the fixed ladder is provided with a sliding chute, and the extension ladder slides up and down along the sliding chute; the inside of spout is run through the extension ladder and is provided with adjusting bolt, adjusting bolt's the outside cover is equipped with fastening nut.
As a further aspect of the present invention: the lower surface of the first hydraulic cylinder is fixedly connected with a stand column, and a base is arranged at the bottom end of the stand column.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an extension platform that sets up can realize that the area of workstation is adjusted, enlarges its application range, makes it be applicable to different operational environment, improves its practicality, and it is fixed to have solved traditional hydraulic support workstation area, has the problem of certain use limitation, in the use, can drive the extension platform through the flexible of pneumatic cylinder two and slide flexible, reaches the purpose that the table surface is long-pending to be adjusted.
2. The utility model discloses a ladder that sets up can make things convenient for colliery constructor's climbing work, improve its convenience, the problem of traditional hydraulic support need carrying out the climbing with the help of external equipment has been solved, and the length of ladder can be adjusted in this design, has stronger practicality, in the use, unscrew fastening nut, it slides from top to bottom along the spout to drive extension ladder through sliding adjusting bolt, then locking fastening nut, realize extension ladder's fixed promptly, and when not using, adjustable extension ladder and fixed ladder coincidence save space.
3. The utility model discloses an adjusting element who sets up can utilize the flexible of pneumatic cylinder three, realizes that the rotation of ladder is folding, can pack up the ladder when not using, reduces its space occupancy.
Drawings
FIG. 1 is a schematic structural diagram of a coal mine coal face hydraulic support;
FIG. 2 is a front view of a coal mine face hydraulic support;
FIG. 3 is a rear view of a coal mine face hydraulic support;
FIG. 4 is a right side view of a coal mine face hydraulic support;
FIG. 5 is a schematic structural view of a ladder in a coal mine coal face hydraulic support;
the reference signs are: 1. a work table; 2. a first hydraulic cylinder; 3. an extension table; 4. a telescopic unit; 41. a first movable shaft; 42. a second movable shaft; 43. a second hydraulic cylinder; 5. a column; 6. a base; 7. a ladder; 71. fixing the ladder; 72. a lengthening ladder; 73. a chute; 74. adjusting the bolt; 75. fastening a nut; 8. an adjustment unit; 81. and a third hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment of the utility model, a coal mine coal face hydraulic support comprises a workbench 1, a first hydraulic cylinder 2 is fixedly arranged on the lower surface of the workbench 1, expansion platforms 3 which are movably arranged are embedded in the two sides of the workbench 1, the first hydraulic cylinder 2 is used for adjusting the height of the workbench 1, and a telescopic unit 4 for driving the expansion platforms 3 to stretch is arranged between the workbench 1 and the expansion platforms 3; a ladder 7 is provided on the front side of the table 1.
The telescopic unit 4 comprises a first movable shaft 41 rotatably arranged below the workbench 1 and a second movable shaft 42 rotatably arranged below the expansion platform 3, and a second hydraulic cylinder 43 is rotatably arranged between the first movable shaft 41 and the second movable shaft 42.
The lower surface of the first hydraulic cylinder 2 is fixedly connected with a stand column 5, and a base 6 is arranged at the bottom end of the stand column 5.
Referring to fig. 1 and 2, in the implementation process: the area of the workbench 1 can be adjusted through the extension table 3 which is arranged, the application range of the extension table is enlarged, the extension table is applicable to different working environments, the practicability of the extension table is improved, the problem that the traditional hydraulic support workbench 1 is fixed in area and has certain use limitation is solved, in the using process, the extension table 3 can be driven to slide and stretch through the extension of the hydraulic cylinder two 43, and the purpose of adjusting the area of the workbench 1 is achieved.
The ladder 7 comprises a fixed ladder 71, and an extension ladder 72 is movably arranged at the lower end of the fixed ladder 71.
A sliding groove 73 is arranged at the front side of the fixed ladder 71, and the extension ladder 72 slides up and down along the sliding groove 73; an adjusting bolt 74 is arranged in the sliding groove 73 and penetrates through the extension ladder 72, and a fastening nut 75 is sleeved outside the adjusting bolt 74.
Referring to fig. 5, in the implementation: ladder 7 through setting up can make things convenient for colliery constructor's climbing work, improve its convenience, the problem that traditional hydraulic support need carry out the climbing with the help of external equipment is solved, and ladder 7's length can be adjusted in this design, and stronger practicality has, in the use, unscrew fastening nut 75, it slides from top to bottom along spout 73 to drive extension ladder 72 through slide adjusting bolt 74, then locking fastening nut 75, realize extension ladder 72's fixed promptly, and when not using, adjustable extension ladder 72 and fixed ladder 71 coincidence, save space.
The ladder 7 is rotatably connected with the workbench 1, and an adjusting unit 8 for controlling the ladder 7 to rotate is arranged between the ladder 7 and the workbench 1.
The adjusting unit 8 is a hydraulic cylinder III 81, one end of the hydraulic cylinder III 81 is rotatably connected with the workbench 1, and the other end of the hydraulic cylinder III is rotatably connected with the ladder 7.
Referring to fig. 3 and 4, in the implementation process: the ladder 7 can be rotated and folded by utilizing the extension and retraction of the hydraulic cylinder III 81 through the arranged adjusting unit 8, and the ladder 7 can be folded when not in use, so that the space occupancy rate is reduced.
The utility model discloses a theory of operation: in the actual use process, firstly, the height of the workbench 1 can be adjusted through the extension and retraction of the hydraulic cylinder I2, then the extension and retraction of the hydraulic cylinder II 43 can drive the extension table 3 to slide and retract so as to adjust the area of the workbench 1, the area of the workbench 1 can be adjusted through the extension table 3, the application range of the workbench is expanded, the workbench is suitable for different working environments, the practicability of the workbench is improved, further, the climbing work of coal mine constructors can be facilitated through the arranged ladder 7, the convenience of the workbench is improved, when the length of the ladder 7 needs to be adjusted, the fastening nut 75 is unscrewed, the extension ladder 72 is driven to slide up and down along the sliding groove 73 through the sliding adjusting bolt 74, then the fastening nut 75 is locked, namely, the fixing of the extension ladder 72 is realized, and when the workbench is not used, the adjustable extension ladder 72 is coincided with the fixed ladder 71, the space is saved, and further, the ladder 7 can be rotated and folded by utilizing the extension and contraction of the hydraulic cylinder III 81 through the arranged adjusting unit 8, and the ladder 7 can be folded when not in use.
And finally: the above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a colliery coal face hydraulic support, includes workstation (1), its characterized in that: the lower surface of the workbench (1) is fixedly provided with a first hydraulic cylinder (2), two sides of the workbench (1) are embedded with movably arranged expansion tables (3), and a telescopic unit (4) for driving the expansion tables (3) to stretch is arranged between the workbench (1) and the expansion tables (3);
a ladder (7) is arranged on the front side of the workbench (1).
2. A coal mine coal face hydraulic support according to claim 1, characterized in that: the telescopic unit (4) comprises a first movable shaft (41) which is rotatably installed below the workbench (1) and a second movable shaft (42) which is rotatably installed below the expansion platform (3), and a second hydraulic cylinder (43) is rotatably installed between the first movable shaft (41) and the second movable shaft (42).
3. A coal mine coal face hydraulic support according to claim 1, characterized in that: ladder (7) and workstation (1) rotate to be connected, and be provided with between ladder (7) and workstation (1) and be used for controlling ladder (7) pivoted regulating unit (8).
4. A coal mine coal face hydraulic support according to claim 3, characterized in that: the adjusting unit (8) is a hydraulic cylinder III (81), one end of the hydraulic cylinder III (81) is rotatably connected with the workbench (1), and the other end of the hydraulic cylinder III (81) is rotatably connected with the ladder (7).
5. A coal mine coal face hydraulic support according to claim 1, characterized in that: the ladder (7) comprises a fixed ladder (71), and an extension ladder (72) is movably arranged at the lower end of the fixed ladder (71).
6. A coal mine coal face hydraulic support according to claim 5, characterized in that: a sliding groove (73) is formed in the front side of the fixed ladder (71), and the extension ladder (72) slides up and down along the sliding groove (73);
the inside of spout (73) is run through extension ladder (72) and is provided with adjusting bolt (74), the outside cover of adjusting bolt (74) is equipped with fastening nut (75).
7. A coal mine coal face hydraulic support according to claim 1, characterized in that: the lower surface of the first hydraulic cylinder (2) is fixedly connected with an upright post (5), and a base (6) is arranged at the bottom end of the upright post (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076009.8U CN212359811U (en) | 2020-06-12 | 2020-06-12 | Hydraulic support for coal mining working face of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076009.8U CN212359811U (en) | 2020-06-12 | 2020-06-12 | Hydraulic support for coal mining working face of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212359811U true CN212359811U (en) | 2021-01-15 |
Family
ID=74153008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021076009.8U Expired - Fee Related CN212359811U (en) | 2020-06-12 | 2020-06-12 | Hydraulic support for coal mining working face of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212359811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561214A (en) * | 2021-07-14 | 2021-10-29 | 新松机器人联合研究院(江油)有限公司 | Flexible gripping apparatus of robot that adapts to many specifications hot plate punching press |
| CN113847071A (en) * | 2021-10-19 | 2021-12-28 | 安徽理工大学 | Adjustable pedal applied to coal mining hydraulic support |
-
2020
- 2020-06-12 CN CN202021076009.8U patent/CN212359811U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561214A (en) * | 2021-07-14 | 2021-10-29 | 新松机器人联合研究院(江油)有限公司 | Flexible gripping apparatus of robot that adapts to many specifications hot plate punching press |
| CN113847071A (en) * | 2021-10-19 | 2021-12-28 | 安徽理工大学 | Adjustable pedal applied to coal mining hydraulic support |
| CN113847071B (en) * | 2021-10-19 | 2024-04-16 | 安徽理工大学 | Adjustable pedal applied to coal mining hydraulic support |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210612 |