Hydraulic support for thin coal seam mining

Abstract

The utility model discloses a hydraulic support for thin coal seam mining, and relates to the technical field of coal mining auxiliary equipment. Comprising a base, a first reinforcing plate is fixedly mounted between the front and rear inner walls of the base, first driving mechanisms are uniformly arranged on the left and right sides of the lower surface of the first reinforcing plate, fixing mechanisms are fixedly mounted on the lower surfaces of the first driving mechanisms, and the upper surface of the base is hinged and fixed to a top beam through a hydraulic telescopic rod assembly; a second reinforcing plate is fixedly installed between the front inner wall and the rear inner wall of the top beam, second driving mechanisms are sequentially and evenly installed on the upper surface of the second reinforcing plate from left to right, and supporting blocks are fixedly installed on the upper surfaces of the second driving mechanisms. According to the hydraulic support, the function of fixing the base is added, the base is placed more stably and firmly, the hydraulic support is not prone to sliding or toppling over, using is safer, fine adjustment can be conducted according to the top height, supporting stress is more uniform, the supporting effect is better, anchor rods can be avoided, and using is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining auxiliary equipment technical field, concretely is a thin coal seam exploitation hydraulic support. BACKGROUND

[0002] Thin coal seam refers to the coal seam thickness below 1.3 meters, and the thin coal seam coal mine reserves are relatively rich in our country, according to investigation, the thin coal seam reserves in our country are about 67 billion tons.With the increasing mining intensity of medium and thick coal seam, coal mine resources are less and less, although the thin coal seam has very broad prospect, but the degree of development and utilization is not high, and the main reason is that the mining technology of thin coal seam is higher than that of medium and thick coal seam, and the environment is more complex, because the thin coal seam is thin, the mining space is too small, various mining equipment and installation and maintenance equipment are difficult to erect, and the working space of staff is also very small.Although most of the working face is equipped with fully mechanized hydraulic support.

[0003] In the prior art, the base of the conventional coal seam mining hydraulic support lacks limiting function during use, is directly placed, is unstable, is easy to move or dump, and is not supported during support due to the unevenness of the top of the coal seam, so that the support effect is poor. UTILITY MODEL CONTENT

[0004] The utility model provides a thin coal seam exploitation hydraulic support to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a thin coal seam exploitation hydraulic support, including base, the first reinforcing plate is fixedly installed between the front and rear inner walls of the base, the first drive mechanism is uniformly arranged on the lower surface of the first reinforcing plate left and right, the fixed mechanism is fixedly installed on the lower surface of the first drive mechanism, the upper surface of the base is hingedly fixed with the top beam through the hydraulic telescopic rod assembly, the second reinforcing plate is fixedly installed between the front and rear inner walls of the top beam, the second drive mechanism is sequentially and uniformly installed on the upper surface of the second reinforcing plate from left to right, the support block is fixedly installed on the upper surface of the second drive mechanism, and the first rectangular opening is formed in the top beam upper side wall corresponding to the support block, the support block is locked and fixed with the top beam through the locking mechanism, the front beam assembly is arranged on the left side surface of the top beam, the shield beam is hingedly installed on the right side surface of the top beam, and the shield beam is hingedly fixed with the base through the connecting assembly.

[0006] Further, the first driving mechanism comprises a manual linear module, a hinge and a connecting rod, two manual linear modules are arranged in front of and behind each other, the lead screws of the manual linear modules are fixedly connected, the front and rear manual linear modules are fixedly installed on the lower surface of the first reinforcing plate, the hinge is arranged on the upper surface of the fixed mechanism and left and right of the ball nut of the manual linear module, and the upper and lower hinges are connected through the connecting rod.

[0007] Further, the front and rear sides of the lead screw of the manual linear module are perpendicular to and flush with the base, and the end of the lead screw of the manual linear module towards the outside is provided with an internal hexagonal hole.

[0008] Further, the second driving mechanism is the same in structure as the first driving mechanism.

[0009] Further, the fixed mechanism comprises a moving plate, a plug rod and a second rectangular opening, the moving plate is installed on the lower surface of the lower hinge, the plug rods are uniformly fixedly installed on the lower surface of the moving plate, and the second rectangular openings are formed on the lower side wall of the corresponding base.

[0010] Further, the front and rear sides of the moving plate are movably attached to the front and rear inner walls of the base.

[0011] Further, the locking mechanism comprises a long hole, a threaded hole and a locking bolt, the long holes are formed on the front and rear side walls of the top beam, the threaded holes are formed on the side surface of the corresponding support block, and the locking bolt is locked in the threaded hole through the long hole.

[0012] Compared with the prior art, the thin coal seam mining hydraulic support has the following beneficial effects:

[0013] 1. The thin coal seam mining hydraulic support is characterized in that the first driving mechanism drives the fixed mechanism to move downwards, the fixed mechanism is inserted into the ground, the fixing function of the base is increased, the base is placed more stably and firmly, the hydraulic support is not easy to slide or fall, and use is safer.

[0014] 2. The thin coal seam mining hydraulic support is characterized in that the second driving mechanism drives the support block to move up and down, the height of the top can be adjusted, the supporting stress is more uniform, the supporting effect is better, the anchor rod can be avoided, and use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a sectional view of the utility model;

[0017] Fig. 3The utility model discloses a first drive mechanism right view structure schematic diagram.

[0018] In the drawing: 1, base; 2, first reinforcing plate; 3, first drive mechanism; 301, manual straight line module; 302, hinged part; 303, connecting rod; 4, fixed mechanism; 401, moving plate; 402, plug rod; 403, second rectangular opening; 5, hydraulic telescopic rod assembly; 6, roof beam; 7, second reinforcing plate; 8, second drive mechanism; 9, support block; 10, first rectangular opening; 11, locking mechanism; 111, long hole; 112, screw hole; 113, locking bolt; 12, front beam assembly; 13, shield beam; 14, connecting assembly; 15, internal hexagonal hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model discloses a thin coal seam exploitation hydraulic support, including base 1, the first reinforcing plate 2 of fixed mounting between the front and rear inner wall of base 1, the first drive mechanism 3 of being evenly provided with in the lower surface left and right of first reinforcing plate 2, the fixed installation of fixed mechanism 4 is installed on the lower surface of first drive mechanism 3, the upper surface of base 1 is hinged fixed with roof beam 6 through hydraulic telescopic rod assembly 5, the second reinforcing plate 7 of fixed mounting between the front and rear inner wall of roof beam 6, the second drive mechanism 8 of being evenly installed in order from left to right on the upper surface of second reinforcing plate 7, the upper surface fixed installation of second drive mechanism 8 has support block 9, and support block 9 corresponding roof beam 6 upper side wall sets up first rectangular opening 10, the front and rear side of support block 9 and the front and rear inner wall of roof beam 6 are movable and fit, support block 9 is locked and fixed with roof beam 6 through locking mechanism 11, the left side of roof beam 6 is provided with front beam assembly 12, and the right side of roof beam 6 is hinged and installed with shield beam 13, and shield beam 13 is hinged and fixed with base 1 through connecting assembly 14.

[0021] Specifically, the first driving mechanism 3 comprises a manual linear module 301, a hinge 302 and a connecting rod 303, two manual linear modules 301 are arranged in mirror image, the lead screws of the manual linear modules 301 are fixedly connected, and the front and rear manual linear modules 301 are fixedly installed on the lower surface of the first reinforcing plate 2, the ball nuts of the manual linear modules 301 are provided with the hinges 302 on the upper surface of the fixed mechanism 4, and the upper and lower hinges 302 are connected through the connecting rod 303.

[0022] In the embodiment, the rotation of the lead screws of the front and rear manual linear modules 301 drives the ball nuts to move forward and backward, the ball nuts of the front and rear manual linear modules 301 drive the upper end of the connecting rod 303 to move towards each other through the upper hinge 302, and the lower end of the connecting rod 303 drives the fixed mechanism 4 to move downward through the lower hinge 302.

[0023] Specifically, the lead screws of the manual linear modules 301 are perpendicular to the front and rear surfaces of the base 1, and the end of each lead screw towards the outside is provided with an internal hexagonal hole 15.

[0024] In the embodiment, the internal hexagonal hole 15 facilitates the insertion of an internal hexagonal wrench to drive the rotation of the lead screws of the manual linear modules 301.

[0025] Specifically, the second driving mechanism 8 is the same in structure as the first driving mechanism 3.

[0026] In the embodiment, the second driving mechanism 8 can drive the support block 9 to move up and down.

[0027] Specifically, the fixed mechanism 4 comprises a moving plate 401, a plug rod 402 and a second rectangular opening 403, the moving plate 401 is installed on the lower surface of the lower hinge 302, the plug rods 402 are uniformly fixedly installed on the lower surface of the moving plate 401, and the second rectangular openings 403 are arranged on the lower side walls of the base 1 corresponding to the moving plate 401.

[0028] In the embodiment, the moving plate 401 moves downward with the lower hinge 302, the moving plate 401 drives the plug rods 402 to move downward through the second rectangular openings 403, and the plug rods 402 are inserted into the ground, thereby achieving the effect of fixing the base 1.

[0029] Specifically, the front and rear surfaces of the moving plate 401 are movably attached to the front and rear inner walls of the base 1.

[0030] In the embodiment, the front and rear surfaces of the moving plate 401 move up and down with the front and rear inner walls of the base 1, so that the moving process of the moving plate 401 is more stable.

[0031] Specific, the locking mechanism 11 includes long hole 111, threaded hole 112 and locking bolt 113, the top beam 6 front and rear side wall is provided with long hole 111, the long hole 111 corresponding support block 9 side is provided with threaded hole 112, the locking bolt 113 is locked in threaded hole 112 through long hole 111.

[0032] In this embodiment, the locking bolt 113 is loosened as the support block 9 moves up and down in the long hole 111, and when the upward and downward movement of the support block 9 is completed, the locking bolt 113 is locked in the threaded hole 112, so that the support block 9 is locked and fixed with the front and rear side walls of the top beam 6 through the locking bolt 113, so that the support strength of the support block 9 is greater.

[0033] In use, the base 1 is moved to the position where it needs to be placed, a hexagonal wrench is inserted into the hexagonal hole 15 to drive the screw rod of the front and rear manual linear module 301 in the first driving mechanism 3 to rotate, the rotation of the screw rod of the front and rear manual linear module 301 drives the movement of the ball nut forward and backward, so that the ball nut of the front and rear manual linear module 301 drives the upward movement of the upper end of the connecting rod 303 through the upper hinge 302, the lower end of the connecting rod 303 drives the downward movement of the moving plate 401 in the fixing mechanism 4 through the lower hinge 302, so that the moving plate 401 drives the downward movement of the insertion rod 402 through the second rectangular opening 403, so that the insertion rod 402 is inserted into the ground, achieving the effect of fixing the base 1, making the base 1 more stable and firm, making the hydraulic support not easy to slide or fall, and making the use more safe, the upward movement of the top beam 6 is driven by the hydraulic telescopic rod assembly 5, so that the top beam 6 supports the top of the roadway, and the upward movement of the support block 9 is driven by the second driving mechanism 8, so that the height of the top can be adjusted, so that each support block 9 is stressed, so that the support stress is more uniform, and the support effect is better, when the top of the roadway needs to be supported by an anchor rod, the anchor rod is correspondingly retracted into the top beam 6, and the support block 9 at other positions is exposed from the top beam 6 to support the top of the roadway, increasing the effect of avoiding the anchor rod, and making the use more convenient.

[0034] In summary, the thin coal seam mining hydraulic support increases the fixing function of the base 1, makes the base 1 more stable and firm, makes the hydraulic support not easy to slide or fall, and makes the use more safe, and can adjust the height of the top, so that the support stress is more uniform, the support effect is better, and the anchor rod can be avoided, and the use is more convenient.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A thin seam mining hydraulic support comprising a base (1), characterized in that: The first reinforcing plate (2) is fixedly installed between the front and rear inner walls of the base (1), the lower surface of the first reinforcing plate (2) is uniformly provided with the first driving mechanism (3) from left to right, the lower surface of the first driving mechanism (3) is fixedly installed with the fixing mechanism (4), the upper surface of the base (1) is hingedly fixed with the top beam (6) through the hydraulic telescopic rod assembly (5), the second reinforcing plate (7) is fixedly installed between the front and rear inner walls of the top beam (6), the upper surface of the second reinforcing plate (7) is sequentially and uniformly provided with the second driving mechanism (8) from left to right, the upper surface of the second driving mechanism (8) is fixedly installed with the supporting block (9), and the first rectangular opening (10) is formed in the upper side wall of the corresponding top beam (6) of the supporting block (9), the supporting block (9) is locked and fixed with the top beam (6) through the locking mechanism (11), the front beam assembly (12) is arranged on the left side surface of the top beam (6), and the shelter beam (13) is hingedly fixed on the right side surface of the top beam (6) through the connecting assembly (14).

2. The thin seam mining hydraulic support according to claim 1, characterized in that: The first driving mechanism (3) comprises a manual linear module (301), a hinge (302) and a connecting rod (303), two manual linear modules (301) are arranged in a mirror image manner, the lead screws of the manual linear modules (301) are fixedly connected, and the front and rear manual linear modules (301) are fixedly installed on the lower surface of the first reinforcing plate (2), the upper surfaces of the fixed mechanisms (4) are provided with the hinges (302) from left to right through the ball nuts of the manual linear modules (301), and the upper and lower hinges (302) are connected through the connecting rod (303).

3. The thin seam mining hydraulic support according to claim 2, characterized in that: The lead screws of the manual linear modules (301) are perpendicular to the front and rear side surfaces of the base (1) and are flush with the front and rear side surfaces of the base (1), and the end heads of the lead screws of the manual linear modules (301) towards the outside are provided with internal hexagonal holes (15).

4. The thin seam mining hydraulic support of claim 1, wherein: The second driving mechanism (8) is the same in structure as the first driving mechanism (3).

5. The thin seam mining hydraulic support of claim 1, wherein: The fixing mechanism (4) comprises a moving plate (401), a plug rod (402) and a second rectangular opening (403), the moving plate (401) is installed on the lower surface of the lower hinge (302), the lower surface of the moving plate (401) is uniformly fixedly installed with the plug rod (402), and the second rectangular opening (403) is formed in the lower side wall of the base (1) corresponding to the moving plate (401).

6. The thin seam mining hydraulic support according to claim 5, characterized in that: The front and rear side surfaces of the moving plate (401) are movably attached to the front and rear inner walls of the base (1).

7. The thin seam mining hydraulic support of claim 1, wherein: The locking mechanism (11) comprises a long hole (111), a threaded hole (112) and a locking bolt (113), the long holes (111) are formed in the front and rear side walls of the top beam (6), the threaded holes (112) are formed in the side surfaces of the supporting blocks (9) corresponding to the long holes (111), and the locking bolt (113) is locked in the threaded hole (112) through the long hole (111).

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