Umbrella-shaped fully-mechanized mining end hydraulic support

Abstract

The utility model relates to the technical field of fully-mechanized mining end hydraulic supports, in particular to an umbrella-shaped fully-mechanized mining end hydraulic support which comprises a first base, the left side of the top of the first base is rotationally connected with a first support, the top of the first base is rotationally connected with a first hydraulic rod, and the right side of the first base is rotationally connected with a first connecting rod. The first base and the second base are connected through the first connecting rod, combined use of the device is facilitated, the top beam is driven to move up and down through telescopic movement of the first hydraulic rod, the third hydraulic rod, the second hydraulic rod and the seventh hydraulic rod, the height of the top beam is adjusted, and the device is convenient to use. A fourth hydraulic rod, a fifth hydraulic rod and a sixth hydraulic rod do telescopic motion to drive a first supporting plate, a second supporting plate, a third supporting plate and a fourth supporting plate to rotate, and the stretching radians of the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate are adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic supports for fully mechanized mining ends, in particular to an umbrella-shaped hydraulic support for fully mechanized mining ends. Background Art

[0002] The hydraulic support is a structure used to control the mine pressure at the coal mining face. The mine pressure at the mining face acts on the hydraulic support in the form of external load.

[0003] After searching, the announcement number is CN220505061U, and the name is a utility model of a mine end bracket, which includes mounting seats on the front and rear sides of the bottom and a top plate on the top. Through research and analysis, it is found that although it has the advantage of safe monitoring of the bracket support position, it still has the following disadvantages to a certain extent.

[0004] For example, the supporting surface of the device is a plane, while most coal mines usually have an arc-shaped fixed roof. When supporting the arc-shaped roof, the support will be unstable, which is prone to accidents and poses a hazard to the personal safety of miners. In order to solve the above technical problems, we have designed an umbrella-shaped fully mechanized mining end hydraulic support. Utility Model Content

[0005] The purpose of the utility model is to provide an umbrella-shaped fully mechanized mining end head hydraulic support, which has the advantages of stable support and convenient adjustment, and solves the problem that the supporting surface of the device is a plane, while most coal mines usually have an arc-shaped fixed roof. When supporting the arc-shaped roof, the support will be unstable, which is prone to accidents and poses a threat to the personal safety of miners.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an umbrella-shaped comprehensive mining end hydraulic support, comprising a first base, a first support is rotatably connected to the left side of the top of the first base, a first hydraulic rod is rotatably connected to the top of the first base, a first connecting rod is rotatably connected to the right side of the first base, a second base is rotatably connected to the right side of the top of the second base, a second support is rotatably connected to the top beam at the top of the second support and the top of the first support, a seventh hydraulic rod is rotatably connected to the surface of the first support, the top of the seventh hydraulic rod is rotatably connected to the support plate, the top of the second base is rotatably connected to the second hydraulic rod and the third hydraulic rod, respectively, the bottom of the top beam is rotatably connected to the second hydraulic rod and the third hydraulic rod, respectively, and a support mechanism is provided on the surface of the top beam.

[0007] Preferably, the support mechanism includes a first support plate, the surface of the top beam is rotatably connected to the first support plate, the side of the first support plate away from the top beam is rotatably connected to the second support plate, the bottom of the second support plate is rotatably connected to the third support plate, the bottom of the third support plate is rotatably connected to the fourth support plate, the surface of the top beam is rotatably connected to the fourth hydraulic rod, the side of the fourth support plate away from the top beam is rotatably connected to the first support plate, the bottom of the first support plate is rotatably connected to the fifth hydraulic rod, the bottom of the fifth hydraulic rod is rotatably connected to the second support plate, the surface of the second support plate is rotatably connected to the sixth hydraulic rod, and the bottom of the sixth hydraulic rod is rotatably connected to the third support plate.

[0008] Preferably, a connecting plate is rotatably connected to the surface of the third supporting plate, and a bottom of the connecting plate is rotatably connected to the fourth supporting plate.

[0009] Preferably, a support plate is rotatably connected to the side opposite to the top beam, an eighth hydraulic rod is rotatably connected to the bottom of the support plate, and the side of the eighth hydraulic rod close to the top beam is rotatably connected to the top beam.

[0010] Preferably, a second connecting rod is rotatably connected to the opposite side of the top beam, and reinforcing ribs are welded on the surfaces of the third supporting plate and the fourth supporting plate.

[0011] Preferably, a mounting head is connected to the left side of the first base via bolts, and anti-slip pads are bonded to the bottoms of the first base and the second base.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model connects the first base and the second base through the first connecting rod, so that the device can be used in combination. The first hydraulic rod, the third hydraulic rod, the second hydraulic rod and the seventh hydraulic rod are telescopically moved to drive the top beam to move up and down, and the height of the top beam is adjusted so that the top of the top beam contacts the top of the mine cave. The eighth hydraulic rod is telescopically moved to drive the support plate to rotate, and the angle of the support plate is adjusted, so that the top of the mine cave is supported by the top beam and the support plate;

[0014] 2. The utility model drives the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate to rotate by telescopic movement of the fourth hydraulic rod, the fifth hydraulic rod and the sixth hydraulic rod, and adjusts the extension arc of the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate, so that the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate are in contact with the arc surface of the mine cave, which is convenient for supporting the mine cave and preventing collapse at the arc surface of the mine cave. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the front view of the structure of the utility model;

[0016] Figure 2 This is a left view of the structure of the utility model;

[0017] Figure 3 It is a bottom view of the structure of the utility model.

[0018] In the figure: 1. first base; 2. first bracket; 3. first hydraulic rod; 4. first connecting rod; 5. second base; 6. second hydraulic rod; 7. third hydraulic rod; 8. second bracket; 9. top beam; 10. support plate; 11. eighth hydraulic rod; 12. first supporting plate; 13. second supporting plate; 14. third supporting plate; 15. fourth supporting plate; 16. fourth hydraulic rod; 17. fifth hydraulic rod; 18. sixth hydraulic rod; 19. joint plate; 20. second connecting rod; 21. seventh hydraulic rod; 22. supporting mechanism. DETAILED DESCRIPTION

[0019] See also Figure 1-Figure 3 A kind of umbrella-shaped comprehensive mining end hydraulic support, comprises a first base 1, a first support 2 is rotatably connected to the left side of the top of the first base 1, a first hydraulic rod 3 is rotatably connected to the top of the first base 1, a first connecting rod 4 is rotatably connected to the right side of the first base 1, a second base 5 is rotatably connected to the right side of the top of the second base 5, a second support 8 is rotatably connected to the right side of the top of the second base 5, the top of the second support 8 and the top of the first support 2 are both rotatably connected to a top beam 9, a seventh hydraulic rod 21 is rotatably connected to the surface of the first support 2, the top of the seventh hydraulic rod 21 is rotatably connected to a support plate 10, the top of the second base 5 is respectively rotatably connected to a second hydraulic rod 6 and a third hydraulic rod 7, the bottom of the top beam 9 is respectively rotatably connected to the second hydraulic rod 6 and the third hydraulic rod 7, and a supporting mechanism 22 is provided on the surface of the top beam 9.

[0020] See also Figure 1 and Figure 2 The supporting mechanism 22 includes a first supporting plate 12, a surface of the top beam 9 being rotatably connected to the first supporting plate 12, a side of the first supporting plate 12 away from the top beam 9 being rotatably connected to a second supporting plate 13, a bottom of the second supporting plate 13 being rotatably connected to a third supporting plate 14, a bottom of the third supporting plate 14 being rotatably connected to a fourth supporting plate 15, a surface of the top beam 9 being rotatably connected to a fourth hydraulic rod 16, by providing the fourth hydraulic rod 16, it is convenient to drive the first supporting plate 12 to rotate, and it is convenient to adjust the angle of the first supporting plate 12, a side of the fourth supporting plate 15 away from the top beam 9 being rotatably connected to the first supporting plate 12, a bottom of the first supporting plate 12 being rotatably connected to a fifth hydraulic rod 17, a bottom of the fifth hydraulic rod 17 being rotatably connected to the second supporting plate 13, a surface of the second supporting plate 13 being rotatably connected to a sixth hydraulic rod 18, and a bottom of the sixth hydraulic rod 18 being rotatably connected to the third supporting plate 14.

[0021] See also Figure 2 The surface of the third supporting plate 14 is rotatably connected with a connecting plate 19, and the bottom of the connecting plate 19 is rotatably connected with the fourth supporting plate 15. By setting the connecting plate 19, the third supporting plate 14 and the fourth supporting plate 15 can be easily connected, and the third supporting plate 14 can facilitate the adjustment of the fourth supporting plate 15.

[0022] See also Figure 1 The side opposite to the top beam 9 is rotatably connected with a support plate 10. By setting the support plate 10 and the eighth hydraulic rod 11, it is convenient to provide close support to the top of the mine cave, which can facilitate the stability of the mine cave. The bottom of the support plate 10 is rotatably connected with the eighth hydraulic rod 11, and the side of the eighth hydraulic rod 11 close to the top beam 9 is rotatably connected to the top beam 9.

[0023] See also Figure 2 A second connecting rod 20 is rotatably connected to the opposite side of the top beam 9. By setting the second connecting rod 20, it is convenient to limit the two top beams 9 and keep the two top beams 9 stable. Reinforcing ribs are welded on the surfaces of the third support plate 14 and the fourth support plate 15. By setting the reinforcing ribs, the third support plate 14 and the fourth support plate 15 can be strengthened, which can effectively prevent the third support plate 14 and the fourth support plate 15 from being crushed.

[0024] See also Figure 1 and Figure 3 The left side of the first base 1 is connected with a mounting head by bolts. By setting the mounting head, the first base 1 and the second base 5 can be easily connected. The bottom of the first base 1 and the second base 5 are bonded with anti-slip pads. By setting the anti-slip pads, the first base 1 and the second base 5 can be kept stable.

[0025] When in use, the device is controlled by an external controller, and the first base 1 and the second base 5 are connected by the first connecting rod 4 to facilitate the combined use of the device. The first hydraulic rod 3, the third hydraulic rod 7, the second hydraulic rod 6 and the seventh hydraulic rod 21 are used to perform telescopic movements to drive the top beam 9 to move up and down, and the height of the top beam 9 is adjusted so that the top of the top beam 9 contacts the top of the mine cave. The eighth hydraulic rod 11 is used to perform telescopic movements to drive the support plate 10 to rotate, and the angle of the support plate 10 is adjusted. The plate 10 supports the top of the mine cave, and the first supporting plate 12, the second supporting plate 13, the third supporting plate 14 and the fourth supporting plate 15 are driven to rotate by the telescopic movement of the fourth hydraulic rod 16, the fifth hydraulic rod 17 and the sixth hydraulic rod 18, and the extension arc of the first supporting plate 12, the second supporting plate 13, the third supporting plate 14 and the fourth supporting plate 15 is adjusted so that the first supporting plate 12, the second supporting plate 13, the third supporting plate 14 and the fourth supporting plate 15 are in contact with the curved surface of the mine cave, so as to support the mine cave.

[0026] To sum up: the umbrella-shaped comprehensive mining end head hydraulic support, through the fourth hydraulic rod 16, the fifth hydraulic rod 17, the sixth hydraulic rod 18, the connecting plate 19, the second connecting rod 20, the seventh hydraulic rod 21 and the supporting mechanism 22, solves the problem that the supporting surface of the device is a plane, while most coal mines usually have an arc-shaped fixed roof. When supporting the arc-shaped roof, the support will be unstable, accidents are prone to occur, and the personal safety of the miners is endangered.

Claims

1. An umbrella-shaped fully mechanized mining end hydraulic support, comprising a first base (1), characterized in that: The left side of the top of the first base (1) is rotatably connected to a first bracket (2), the top of the first base (1) is rotatably connected to a first hydraulic rod (3), the right side of the first base (1) is rotatably connected to a first connecting rod (4), the right side of the first connecting rod (4) is rotatably connected to a second base (5), the right side of the top of the second base (5) is rotatably connected to a second bracket (8), the top of the second bracket (8) and the top of the first bracket (2) are both rotatably connected to a top beam (9), the surface of the first bracket (2) is rotatably connected to a seventh hydraulic rod (21), the top of the seventh hydraulic rod (21) is rotatably connected to a support plate (10), the top of the second base (5) is rotatably connected to a second hydraulic rod (6) and a third hydraulic rod (7), the bottom of the top beam (9) is rotatably connected to the second hydraulic rod (6) and the third hydraulic rod (7), and a support mechanism (22) is provided on the surface of the top beam (9).

2. The umbrella-shaped fully mechanized mining end hydraulic support according to claim 1 is characterized in that: The support mechanism (22) comprises a first support plate (12), the surface of the top beam (9) is rotatably connected to the first support plate (12), the side of the first support plate (12) away from the top beam (9) is rotatably connected to a second support plate (13), the bottom of the second support plate (13) is rotatably connected to a third support plate (14), the bottom of the third support plate (14) is rotatably connected to a fourth support plate (15), the surface of the top beam (9) is rotatably connected to a fourth hydraulic rod (16), the side of the fourth support plate (15) away from the top beam (9) is rotatably connected to the first support plate (12), the bottom of the first support plate (12) is rotatably connected to a fifth hydraulic rod (17), the bottom of the fifth hydraulic rod (17) is rotatably connected to the second support plate (13), the surface of the second support plate (13) is rotatably connected to a sixth hydraulic rod (18), the bottom of the sixth hydraulic rod (18) is rotatably connected to the third support plate (14).

3. The umbrella-shaped fully mechanized mining end hydraulic support according to claim 2 is characterized in that: The surface of the third supporting plate (14) is rotatably connected to a joint plate (19), and the bottom of the joint plate (19) is rotatably connected to the fourth supporting plate (15).

4. The umbrella-shaped fully mechanized mining end hydraulic support according to claim 1 is characterized in that: A support plate (10) is rotatably connected to the side opposite to the top beam (9), an eighth hydraulic rod (11) is rotatably connected to the bottom of the support plate (10), and a side of the eighth hydraulic rod (11) close to the top beam (9) is rotatably connected to the top beam (9).

5. The umbrella-shaped fully mechanized mining end hydraulic support according to claim 2 is characterized in that: A second connecting rod (20) is rotatably connected to the opposite side of the top beam (9), and reinforcing ribs are welded on the surfaces of the third supporting plate (14) and the fourth supporting plate (15).

6. The umbrella-shaped fully mechanized mining end hydraulic support according to claim 1, characterized in that: The left side of the first base (1) is connected to a mounting head via bolts, and anti-slip pads are bonded to the bottoms of the first base (1) and the second base (5).

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