Hydraulic lifting support platform for fully mechanized excavation face of coal mine

Abstract

According to the technical scheme, the hydraulic lifting supporting platform comprises a moving box, a lifting seat and an operation platform, hydraulic expansion pieces B are installed at the four corners of the top of the moving box, the lifting seat is installed at the tops of the hydraulic expansion pieces B, a hydraulic expansion piece C is installed at the top of the moving box, and the hydraulic expansion piece C is connected with the lifting seat. A lifting plate is mounted on an output shaft of the hydraulic expansion piece C in the moving box, a supporting column is mounted at the bottom of the lifting plate, and a base is mounted at one end of the supporting column at the bottom of the moving box. The hydraulic lifting and supporting platform for the coal mine fully-mechanized excavation face solves the problems that an existing hydraulic lifting and supporting platform for coal mine fully-mechanized excavation is moved through moving wheels, the moving wheels are prone to sliding in the using process, the lifting and supporting platform slides, and the safety of coal mine fully-mechanized excavation is affected, the sliding probability of the lifting and supporting platform is reduced, and the safety of coal mine fully-mechanized excavation is improved. Therefore, the safety of coal mine fully-mechanized excavation is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine comprehensive excavation, in particular to a hydraulic lifting support platform for a coal mine comprehensive excavation working face. Background Art

[0002] Comprehensive excavation in coal mines refers to the use of the difference in the digging properties of soft coal bodies to excavate mining tunnels in the coal bodies, extract loose coal and whole coal, and provide support at the same time. It uses comprehensive excavation machines, secondary conveyor belt conveyors, and transport belt conveyors to directly transport coal and gangue out of the working face to the main shaft coal bunker. During the comprehensive excavation of coal mines, a hydraulic lifting platform is required.

[0003] After searching, it was found that the support platform in the prior art, such as a hydraulic lifting platform for a coal mine comprehensive mining working face disclosed in publication number CN214218088U, is a combination of structures such as an annular rack, a supporting gear, a supporting rod, an adjusting rod, and a lifting rod. The annular rack rotates to drive the supporting gear to rotate, so that the support rod rotates and stands upright, so that the adjusting rod follows the rotation and stands upright, and at the same time drives the lifting rod to rotate and stands upright, so that the height of the workbench is increased, so that maintenance personnel can easily use the workbench and reduce the difficulty of maintenance operations for large mining height supports. The combination of the above structures solves the problem of difficult maintenance operations of existing large mining height supports.

[0004] The existing hydraulic lifting support platform for coal mine comprehensive excavation uses moving wheels for movement. When in use, the moving wheels are prone to slide, causing the lifting support platform to slide, affecting the safety of coal mine comprehensive excavation. For this reason, we propose a hydraulic lifting support platform for coal mine comprehensive excavation working face. Utility Model Content

[0005] The purpose of the utility model is to provide a hydraulic lifting support platform for a coal mine comprehensive excavation working face, which has the effect of stably supporting the lifting support platform, so as to solve the problem that the existing coal mine comprehensive excavation hydraulic lifting support platform uses moving wheels for movement, and when in use, the moving wheels are easy to slide, causing the lifting support platform to slide, affecting the safety of coal mine comprehensive excavation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic lifting support platform for a coal mine comprehensive excavation working face, comprising a mobile box, a lifting seat and an operating platform, wherein hydraulic expanders B are installed at the four corners of the top of the mobile box, a lifting seat is installed on the top of the hydraulic expander B, a hydraulic expander C is installed on the top of the mobile box, the output shaft of the hydraulic expander C is located inside the mobile box, a lifting plate is installed inside the mobile box, a pillar is installed at the bottom of the lifting plate, and one end of the pillar is located at the bottom of the mobile box and a base is installed.

[0007] Preferably, a connecting seat A is installed on one side of the lifting seat near the front and rear surfaces, a shear frame is installed in the middle of the connecting seat A on both sides through a movable shaft A, a movable shaft A is installed on one side of the top of the shear frame, and an operating platform is installed on the outer surface of the movable shaft A through the connecting seat A.

[0008] Preferably, moving wheels are installed at the four corners of the bottom of the moving box through brackets.

[0009] Preferably, a movable shaft B is installed on the other side of the top and bottom of the shear frame, and a connecting seat B is installed on the outer surface of the movable shaft B on both sides, and a sliding block is installed on the connecting seat B.

[0010] Preferably, a slide groove is provided on one side adjacent to the operating platform and the lifting seat at the position of the slider, and the slider is clamped in the slide groove.

[0011] Preferably, a fixed plate is installed in the middle of the top of the lifting seat, a hydraulic expander A is installed in the middle of one side of the fixed plate, and the output shaft of the hydraulic expander A is connected to the outer surface of the movable shaft B through a connecting plate.

[0012] Preferably, an infrared sensor is installed between the operating platform and the bottom of the lifting seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model achieves the effect of stably supporting the lifting support platform by arranging an electric telescopic device C, a lifting plate, a pillar and a base, so as to solve the problem that the existing hydraulic lifting support platform of coal mine comprehensive excavation adopts moving wheels for movement, and the moving wheels are easy to slide during use, causing the lifting support platform to slide, affecting the safety of coal mine comprehensive excavation, reducing the sliding probability of the lifting support platform, thereby ensuring the safety of coal mine comprehensive excavation.

[0015] 2. The utility model achieves the effect of multi-stage lifting of the lifting support platform by arranging a shear frame, a hydraulic expander A, a hydraulic expander B and a lifting seat, so as to solve the problem that the lifting height of the existing lifting support platform is relatively low, which is inconvenient to carry out coal mining at different locations during comprehensive excavation of coal mines, thereby improving the applicability of the lifting support platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the lifting seat and the moving box of the utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of the lifting seat and the operating platform of the utility model;

[0019] Figure 4 for Figure 1 Schematic diagram of the enlarged structure of A.

[0020] Figure numerals: 1. Moving box; 2. Infrared sensor; 3. Lifting seat; 4. Hydraulic expander A; 5. Shear frame; 6. Operating platform; 7. Slider; 8. Hydraulic expander B; 9. Slide; 10. Hydraulic expander C; 11. Lifting plate; 12. Pillar; 13. Base; 14. Moving wheel; 15. Connecting seat A; 16. Movable shaft A; 17. Fixed plate; 18. Movable shaft B; 19. Connecting plate; 20. Connecting seat B. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1

[0023] like Figure 1-Figure 4 As shown, in order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic lifting support platform for a coal mine comprehensive excavation working face, comprising a mobile box 1, a lifting seat 3 and an operating platform 6, a hydraulic telescope B8 is installed at the four corners of the top of the mobile box 1, a lifting seat 3 is installed on the top of the hydraulic telescope B8, a hydraulic telescope C10 is installed on the top of the mobile box 1, the output shaft of the hydraulic telescope C10 is located inside the mobile box 1, a lifting plate 11 is installed, a pillar 12 is installed at the bottom of the lifting plate 11, one end of the pillar 12 is located at the bottom of the mobile box 1 and a base 13 is installed, moving wheels 14 are installed at the four corners of the bottom of the mobile box 1 through brackets to facilitate the movement of the utility model, infrared sensors 2 are installed in the middle of the bottom of the operating platform 6 and the lifting seat 3 to facilitate sensing the height of the lifting seat 3 and the operating platform 6.

[0024] The working principle of a hydraulic lifting support platform for a coal mine comprehensive excavation working face based on Example 1 is: after the utility model is installed, the utility model is moved to the place of use through the arranged moving wheels 14, and then the hydraulic telescopic device C10 is started, and the lifting plate 11 is driven downward by the hydraulic telescopic device C10, thereby driving the base 13 to move downward, so as to lift and fix the utility model, and thus the utility model is convenient to use. When it is necessary to adjust the height of the operating platform 6, the hydraulic telescopic device B8 is started, and the lifting seat 3 is driven upward by the hydraulic telescopic device B8, thereby driving the operating platform 6 to move upward, and thus the operating platform 6 is convenient to use. At this point, the working process of the equipment is completed.

[0025] Embodiment 2

[0026] like Figure 1-Figure 4As shown, the utility model proposes a hydraulic lifting support platform for a coal mine comprehensive excavation working face. Compared with the first embodiment, this embodiment also includes: a connecting seat A15 is installed on one side of the lifting seat 3 near the front and rear surfaces, a shear frame 5 is installed in the middle of the connecting seats A15 on both sides through a movable shaft A16, a movable shaft A16 is installed on one side of the top of the shear frame 5, and an operating platform 6 is installed on the outer surface of the movable shaft A16 through the connecting seat A15, a movable shaft B18 is installed on the other side of the top and bottom of the shear frame 5, a connecting seat B20 is installed on the outer surface of the movable shaft B18 on both sides, a slider 7 is installed on the connecting seat B20, a slide groove 9 is provided at the position of the slider 7 on one side adjacent to the operating platform 6 and the lifting seat 3, and the slider 7 is clamped in the inside of the slide groove 9 to facilitate the opening and closing of the shear frame 5, a fixed plate 17 is installed in the middle of the top of the lifting seat 3, a hydraulic expander A4 is installed in the middle of one side of the fixed plate 17, and the output shaft of the hydraulic expander A4 is connected to the outer surface of the movable shaft B18 through a connecting plate 19.

[0027] In this embodiment, when in use, when the height of the operating platform 6 needs to be adjusted again, the hydraulic expander A4 is started to drive the connecting plate 19 to move sideways, thereby driving the movable shaft B18 to move sideways, and then driving the shear frame 5 to close and lift the operating platform 6.

[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A hydraulic lifting support platform for a coal mine fully mechanized excavation working face, comprising a moving box (1), a lifting seat (3) and an operating platform (6), characterized in that: The four corners of the top of the mobile box (1) are provided with hydraulic telescopic devices B (8), the top of the hydraulic telescopic devices B (8) is provided with a lifting seat (3), the top of the mobile box (1) is provided with a hydraulic telescopic device C (10), the output shaft of the hydraulic telescopic device C (10) is located inside the mobile box (1), a lifting plate (11) is installed, a support (12) is installed at the bottom of the lifting plate (11), and one end of the support (12) is located at the bottom of the mobile box (1) and a base (13) is installed.

2. The hydraulic lifting support platform for coal mine comprehensive excavation working face according to claim 1 is characterized by: A connecting seat A (15) is installed on one side of the lifting seat (3) near the front and rear surfaces, and a shear frame (5) is installed in the middle of the connecting seats A (15) on both sides through a movable shaft A (16). The movable shaft A (16) is installed on one side of the top of the shear frame (5), and an operating platform (6) is installed on the outer surface of the movable shaft A (16) through the connecting seat A (15).

3. The hydraulic lifting support platform for coal mine comprehensive excavation working face according to claim 1 is characterized by: Moving wheels (14) are installed at the four corner positions of the bottom of the moving box (1) via brackets.

4. The hydraulic lifting support platform for coal mine comprehensive excavation working face according to claim 2 is characterized by: The top and the other side of the bottom of the shear frame (5) are both equipped with movable shafts B (18), and the outer surfaces of the movable shafts B (18) on both sides are equipped with connecting seats B (20), and the connecting seats B (20) are equipped with sliders (7).

5. The hydraulic lifting support platform for coal mine comprehensive excavation working face according to claim 1 is characterized by: A slide groove (9) is provided on one side adjacent to the operating platform (6) and the lifting seat (3) at the position of the slide block (7), and the slide block (7) is clamped inside the slide groove (9).

6. The hydraulic lifting support platform for coal mine comprehensive excavation working face according to claim 1 is characterized by: A fixed plate (17) is installed in the middle of the top of the lifting seat (3), a hydraulic telescopic device A (4) is installed in the middle of one side of the fixed plate (17), and the output shaft of the hydraulic telescopic device A (4) is connected to the outer surface of the movable shaft B (18) through a connecting plate (19).

7. The hydraulic lifting support platform for coal mine comprehensive excavation working face according to claim 1 is characterized by: Infrared sensors (2) are installed in the middle of the bottom of the operating platform (6) and the lifting seat (3).

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