A steel structure movable platform structure for a coal mine shaft
By designing through holes, adjusting screws, and push rods on a steel structure platform for coal mine shafts, the problems of coal slag slippage and through hole blockage were solved, improving safety and cleaning efficiency while reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI COAL PLANNING & DESIGN INST (GRP) CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-06-12
Smart Images

Figure CN224352002U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coal mine shafts, specifically to a steel structure movable platform structure for coal mine shafts. Background Technology
[0002] Mobile platforms are a type of steel structure frequently used in coal mines, docks, warehouses, and other similar locations, and they directly impact production efficiency. Traditional coal mine shaft platforms are fixed steel structures.
[0003] However, when construction is carried out inside existing coal mine shafts, coal slag easily falls onto the coal mine platform itself. When personnel step on the coal slag, they are prone to slipping, which leads to the risk of falling. When cleaning through the dredging outlet, coal slag can easily block the outlet, and the dredging rod is easily damaged when it is used for dredging. There is a lack of disassembly structure for individual dredging rods, which makes disassembly costs high. In addition, the movable platform is a fixed structure, which limits its scope of use. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a steel structure movable platform for coal mine shafts, including a platform body and a base. The upper surface of the platform body has multiple through holes from left to right. Push rods are installed on the inner side of the through holes by sliding fit. Fixed frames are symmetrically installed on the front and rear ends of the platform body. An adjusting screw is rotatably installed on the inner rear end of the fixed frame through a bearing. An outer ring is screwed to the outer wall of the adjusting screw. A connecting plate is installed on the upper end of the outer ring. A push rod is arranged on the upper end of the connecting plate. An adjusting handle is installed on the front end of the adjusting screw. A base is arranged at the bottom of the platform body. A fence is installed on the upper end of the platform body. Multiple fixing ears are installed on the upper end of the fence.
[0005] Preferably, the platform body has lower seats symmetrically installed on the left and right sides at the bottom. The bottom of the lower seats has a fixing groove. The inner side wall of the fixing groove is fitted with a side plate by means of sliding fit. The bottom of the side plate is fitted with a base. The upper end of the base is fitted with an adjusting hydraulic cylinder. The inner end of the lower seat is fitted with an inner plate. The output end of the adjusting hydraulic cylinder is fitted with an inner plate.
[0006] Preferably, the upper surface of the inner plate is symmetrically equipped with support frames, the upper surface of the support frames is equipped with a collection cavity, the upper surface of the support frames is provided with a positioning post, the upper surface of the positioning post is installed at the bottom of the collection cavity by plugging, the front end face of the collection cavity is provided with a front hole, the bottom of the collection cavity is rotatably installed with a front cover by a pin, and the front cover is connected to the front hole by a snap-fit.
[0007] Preferably, the upper surface of the connecting plate is provided with multiple fixing grooves, and a connector is installed in the fixing groove by snap-fit. A push rod is installed on the upper surface of the connector, and a first bolt is installed on the bottom of the connecting plate by screwing.
[0008] Preferably, multiple sets of telescopic rods are symmetrically installed on the upper surface of the base, and the other end of the telescopic rods is installed on the left and right side walls of the lower seat.
[0009] The technical effects and advantages of this utility model are as follows:
[0010] 1. This utility model adopts a through-hole structure, which allows coal slag to be cleaned through the through-hole, thus preventing people from slipping when stepping on the coal slag and thus avoiding the risk of falling.
[0011] 2. This utility model adopts an adjusting screw and push rod structure to unclog the through hole and avoid coal slag from clogging the through hole, which would result in poor cleaning effect. Attached Figure Description
[0012] Figure 1 This is a front view of a steel structure movable platform for coal mine shafts provided in an embodiment of this application;
[0013] Figure 2 This is a top view of a steel structure movable platform for coal mine shafts provided in an embodiment of this application;
[0014] Figure 3 This is a sectional front view of a steel structure movable platform for coal mine shafts provided in an embodiment of this application;
[0015] Figure 4 This is a left sectional view of a steel structure movable platform for coal mine shafts provided in an embodiment of this application;
[0016] Figure 5 This is provided by the embodiments of this application. Figure 3 A magnified view of a portion of region A in the middle;
[0017] In the diagram: 1. Platform body; 2. Base; 11. Through hole; 12. Push rod; 13. Fixing frame; 14. Adjusting screw; 15. Outer ring; 16. Connecting plate; 17. Fence; 18. Fixing ear; 19. Lower seat; 21. Side plate; 22. Adjusting hydraulic cylinder; 23. Inner plate; 24. Support frame; 25. Collection chamber; 26. Connector; 27. First bolt; 28. Positioning column; 29. Front end cover; 291. Telescopic rod. Detailed Implementation
[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.
[0019] Please see Figures 1-5 This embodiment provides a steel structure movable platform for coal mine shafts, including a platform body 1 and a base 2. The upper surface of the platform body 1 has multiple through holes 11 from left to right. Push rods 12 are slidably installed on the inner ends of the through holes 11. Fixed frames 13 are symmetrically installed on the front and rear ends of the platform body 1. An adjusting screw 14 is rotatably installed on the inner rear end face of the fixed frame 13 via a bearing. An outer ring sleeve 15 is screwed to the outer wall of the adjusting screw 14. A connecting plate 16 is installed on the upper surface of the outer ring sleeve 15. Push rods 12 are arranged on the upper surface of the connecting plate 16. An adjusting handle is installed on the front end face of the adjusting screw 14. The base 2 is arranged at the bottom of the platform body 1. A push rod 12 is installed on the upper surface of the platform body 1. The platform is equipped with a fence 17, and multiple fixing ears 18 are installed on the upper surface of the fence 17. During operation, when construction is carried out on the platform body 1 inside the coal mine, coal slag is likely to fall on the platform body 1. When personnel step on the coal slag, they are prone to slipping, which may lead to a risk of falling. The through hole 11 structure allows the coal slag to be cleaned through the through hole 11. However, the coal slag is likely to block the through hole 11, resulting in poor cleaning effect. Turning the adjustment handle drives the adjustment screw 14 to rotate, causing the push rod 12 to move back and forth, thereby clearing the through hole 11. The fixing ears 18 structure facilitates the binding of safety ropes, thereby further improving the safety performance of the workers.
[0020] The platform body 1 has lower seats 19 symmetrically installed on the bottom left and right. The bottom of the lower seats 19 has a fixing groove. The inner side wall of the fixing groove is fitted with a side plate 21 by sliding fit. The bottom of the side plate 21 is fitted with a base 2. The upper end of the base 2 is fitted with an adjusting hydraulic cylinder 22. The inner end of the lower seat 19 is fitted with an inner plate 23. The output end of the adjusting hydraulic cylinder 22 is fitted with the inner plate 23. When working, the adjusting hydraulic cylinder 22 is activated, which drives the platform body 1 to move up and down, so that construction can be carried out at different heights in the coal mine, which improves the versatility of the device.
[0021] The inner plate 23 has symmetrical support frames 24 installed on its upper surface. A collection chamber 25 is installed on the upper surface of the support frame 24. A positioning post 28 is provided on the upper surface of the support frame 24. The upper surface of the positioning post 28 is installed at the bottom of the collection chamber 25 by insertion. A front hole is provided on the front end of the collection chamber 25. A front cover 29 is rotatably installed at the bottom of the collection chamber 25 by a pin. The front cover 29 is connected to the front hole by snap-fit. During operation, the coal slag is collected and processed through the collection chamber 25 for secondary use. The positioning post 28 fixes the collection chamber 25 to prevent it from sliding off. The front cover 29 is flipped open to allow for post-processing of the coal slag in the collection chamber 25.
[0022] The upper surface of the connecting plate 16 has multiple fixing slots. A connector 26 is installed in the fixing slot by snap-fit. A push rod 12 is installed on the upper surface of the connector 26. A first bolt 27 is installed at the bottom of the connecting plate 16 by screwing. During operation, the push rod 12 is prone to breakage after long-term use. The first bolt 27 structure makes it easy to disassemble and replace the broken push rod 12 without disassembling and replacing the entire connecting plate 16, thus reducing the maintenance cost of the device.
[0023] Multiple sets of telescopic rods 291 are symmetrically installed on the upper surface of the base 2. The other end of the telescopic rods 291 is installed on the left and right side walls of the lower seat 19. During operation, the structure of multiple sets of telescopic rods 291 further improves the stability of the platform body 1 when moving up and down.
[0024] In specific operations, when construction is carried out on the platform body 1 inside the coal mine, coal slag is prone to fall onto the platform body 1. When personnel step on the coal slag, they are prone to slipping, which may lead to a risk of falling. The through hole 11 structure allows the coal slag to be cleaned through the through hole 11. However, the coal slag can easily block the through hole 11, resulting in poor cleaning effect. Turning the adjustment handle drives the adjustment screw 14 to rotate, causing the push rod 12 to move back and forth, thereby clearing the through hole 11. The fixing lug 18 structure facilitates the binding of safety ropes, thereby further improving the safety performance of the workers.
[0025] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.
Claims
1. A steel structure movable platform for coal mine shafts, comprising a platform body (1) and a base (2), characterized in that, The platform body (1) has multiple through holes (11) on its upper surface from left to right. A push rod (12) is installed on the inner side of the through hole (11) by sliding fit. A fixed frame (13) is symmetrically installed on the front and rear ends of the platform body (1). An adjusting screw (14) is installed on the inner rear end of the fixed frame (13) by rotating through a bearing. An outer ring sleeve (15) is screwed to the outer wall of the adjusting screw (14). A connecting plate (16) is installed on the upper end of the outer ring sleeve (15). A push rod (12) is arranged on the upper end of the connecting plate (16). An adjusting handle is installed on the front end of the adjusting screw (14). A base (2) is arranged at the bottom of the platform body (1).
2. The steel structure movable platform structure for coal mine shafts according to claim 1, characterized in that... The platform body (1) is equipped with a fence (17) on its upper surface, and a plurality of fixing ears (18) are installed on the upper surface of the fence (17).
3. The steel structure movable platform structure for coal mine shafts according to claim 1, characterized in that, The platform body (1) has a lower seat (19) symmetrically installed on the bottom left and right. The lower seat (19) has a fixed groove at the bottom. The inner side wall of the fixed groove is fitted with a side plate (21) by sliding fit. The bottom of the side plate (21) is fitted with a base (2). The upper surface of the base (2) is fitted with an adjusting hydraulic cylinder (22). The inner end of the lower seat (19) is fitted with an inner plate (23). The output end of the adjusting hydraulic cylinder (22) is fitted with an inner plate (23).
4. The steel structure movable platform structure for coal mine shafts according to claim 3, characterized in that, The inner plate (23) is symmetrically equipped with support frames (24) on the upper surface. The support frame (24) is equipped with a collection cavity (25) on the upper surface. An adjusting screw (14) is arranged above the collection cavity (25).
5. The steel structure movable platform structure for coal mine shafts according to claim 4, characterized in that, The upper surface of the connecting plate (16) is provided with multiple fixing grooves. A connector (26) is installed in the fixing groove by snap-fit. A push rod (12) is installed on the upper surface of the connector (26). A first bolt (27) is installed at the bottom of the connecting plate (16) by screwing.
6. The steel structure movable platform structure for coal mine shafts according to claim 4, characterized in that, The upper end face of the support frame (24) is provided with a positioning post (28). The upper end face of the positioning post (28) is installed at the bottom of the collection chamber (25) by insertion. The front end face of the collection chamber (25) is provided with a front hole. The bottom of the collection chamber (25) is rotatably installed with a front cover (29) by a pin. The front cover (29) is connected to the front hole by a snap-fit.
7. The steel structure movable platform structure for coal mine shafts according to claim 1, characterized in that, Multiple sets of telescopic rods (291) are symmetrically installed on the upper surface of the base (2), and the other end of the telescopic rods (291) is installed on the left and right side walls of the lower seat (19).