Supporting device for fully mechanized coal mining face of coal mine
By designing a coal mine fully mechanized mining face support device that adapts to the uneven roof, and using expansion airbags and automatic reinforcement anchor technology, the problem of hydraulic supports being unable to adapt to uneven roofs was solved, achieving improved stability, safety and efficiency.
Patent Information
- Application Number
- CN202422883329.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing hydraulic support support plate is a flat design and cannot adapt to the uneven top plate, resulting in poor support effect and safety hazards.
A coal mine fully mechanized mining working face support device was designed, which includes a base, support arm, shield beam, hydraulic cylinder, top beam, side guard plate and fitting components. The expansion airbag is inflated by an air pump to fit the roof, and the base is fixed by automatically driving in reinforcement anchor rods using a trackless cylinder and impact drill.
It achieves a close fit with the uneven roof, improves support stability and safety, reduces manpower requirements, and improves support efficiency.
Smart Images

Figure CN223424056U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine fully-mechanized mining working face support, in particular to a coal mine fully-mechanized mining working face support device. Background Art
[0002] To ensure the safety of roadways and coal mining faces during coal mining, support systems are often used. Hydraulic supports are one of the most important support devices in fully mechanized coal mining faces, supporting the roof and preventing it from collapsing, thereby ensuring the safety of miners and ensuring productivity. However, existing hydraulic supports typically have flat support plates. When the roof is uneven, they cannot adapt to varying terrain, resulting in poor support effectiveness and posing safety risks.
[0003] Therefore, a coal mine fully mechanized mining working face support device has been developed, which can adapt to uneven roofs, fit closely with the roofs, and improve support stability and safety. Utility Model Content
[0004] In order to overcome the shortcomings of existing hydraulic supports, in which the support plates are usually of flat design and cannot adapt to different terrains when the roof is uneven, resulting in poor support effects and potential safety hazards, the utility model provides a coal mine fully mechanized mining working face support device that can adapt to uneven roofs, fit tightly with the roofs, and improve support stability and safety.
[0005] The technical solution is: a coal mine comprehensive mining working face support device, including a base, a support arm, a protective beam, a first hydraulic cylinder, a top beam, a front beam, a second hydraulic cylinder, a side guard plate and a fitting component. The right side of the base is rotatably connected to the support arm, the upper part of the support arm is rotatably connected to the side guard plate, the upper middle part of the base is connected to two front and rear first hydraulic cylinders, the top beam is connected between the upper sides of the telescopic ends of the first hydraulic cylinders, the top beam and the side guard beam are rotatably connected, the lower left side of the top beam is connected to the front beam, the front and rear parts of the front beam are rotatably connected to the second hydraulic cylinder, the front beam is rotatably connected to the side guard plate, the telescopic ends of the second hydraulic cylinders are rotatably connected to the side guard plate, and fitting components are provided on the top beam and the side guard plate.
[0006] Furthermore, the fitting component includes an air pump, a connecting pipe, an inflation airbag, a diverter seat and a lifting airbag. The left lower side of the top beam is connected to the left and right air pumps. A connecting pipe is connected between the air pump on the left and the guard plate. The upper side of the guard plate is connected to the inflation airbag, the connecting pipe is connected to the inflation airbag, the upper side of the top beam is connected to the diverter seat, the right air pump is connected to the diverter seat, and multiple lifting airbags are connected to the upper side of the diverter seat.
[0007] Furthermore, the connecting pipe is made of a hose material.
[0008] Further, the protective shell is made of rubber.
[0009] Further, the protective shell is made of rubber.
[0010] Further, the auxiliary assembly comprises trackless air cylinders, sliding frames, impact drills, reinforcing anchor rods and limiting blocks, two trackless air cylinders are connected to the upper left side of the base, sliding frames are connected to the sliding blocks of the trackless air cylinders, impact drills are connected to the sliding frames, two limiting blocks are connected to the upper left side of the base, the limiting blocks are located on the left side of the trackless air cylinders, reinforcing anchor rods are clamped to the limiting blocks, and the reinforcing anchor rods are located below the adjacent impact drills.
[0011] The utility model discloses the beneficial effect has: 1, the utility model discloses through starting the air pump, fills the inflation air bag in through the connecting pipe, fills the inflation air bag in through the shunt seat, makes the inflation air bag and the inflation air bag that sticks to the roadway inner wall, and the protective shell is used for protecting the inflation air bag, reaches the effect that can adapt uneven roof, and is closely attached to the roof, improves the stability and safety of support.
[0012] 2, the utility model discloses through starting the trackless air cylinder, makes the sliding frame move down, drives the impact drill and moves down, makes the impact drill and impact to reinforcing anchor rod, until the reinforcing anchor rod is hit into the ground, reaches the effect that can automatically fix the base, saves manpower, improves the support efficiency. DRAWINGS
[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the three-dimensional structure schematic diagram of the utility model roof beam and front beam.
[0015] Figure 3 It is the three-dimensional structure schematic diagram of the utility model protective sheet and air pump.
[0016] Figure 4 It is the three-dimensional structure schematic diagram of the utility model shunt seat and roof lifting air bag.
[0017] Figure 5 It is the three-dimensional structure schematic diagram of the utility model reinforcing anchor rod and limiting block.
[0018] Drawing reference: 1_base, 2_supporting arm, 3_shield beam, 4_first hydraulic cylinder, 5_roof beam, 6_front beam, 601_second hydraulic cylinder, 7_protective sheet, 8_air pump, 9_connecting pipe, 10_inflation air bag, 11_protective shell, 12_shunt seat, 13_roof lifting air bag, 14_trackless air cylinder, 15_sliding frame, 16_impact drill, 17_reinforcing anchor rod, 18_limiting block. Specific implementation
[0019] The present invention will be described in detail below with reference to the accompanying drawings.
[0020] A coal mine fully mechanized mining working face support device, such as Figure 1-Figure 5 As shown, it includes a base 1, a support arm 2, a shielding beam 3, a first hydraulic cylinder 4, a top beam 5, a front beam 6, a second hydraulic cylinder 601, a guard plate 7 and a fitting component. The right side of the base 1 is rotatably connected to the support arm 2, and the upper part of the support arm 2 is rotatably connected to the shielding beam 3. The upper middle part of the base 1 is connected to the front and rear first hydraulic cylinders 4. The top beam 5 is connected between the upper sides of the telescopic ends of the first hydraulic cylinders 4. The top beam 5 is rotatably connected to the shielding beam 3. The lower left side of the top beam 5 is connected to the front beam 6. The front and rear parts of the front beam 6 are both rotatably connected to the second hydraulic cylinder 601. The front beam 6 is rotatably connected to the guard plate 7. The telescopic ends of the second hydraulic cylinder 601 are both rotatably connected to the guard plate 7. The top beam 5 and the guard plate 7 are provided with fitting components, which include an air pump 8, a connecting pipe 9, an expansion airbag 10, a protective armor 11, a diverter seat 12 and a lifting airbag 13. The lower left side of the top beam 5 is connected to the left and right air pumps 8. A connecting pipe 9 is connected between the air pump 8 on the left and the guard plate 7. The connecting pipe 9 is made of a hose material, which is convenient for adapting to movement. The upper side of the guard plate 7 is connected to the expansion airbag 10, and twenty protective armors 11 are connected to the expansion airbag 10. The protective armor 11 is made of rubber to increase friction. The connecting pipe 9 is connected to the expansion airbag 10, and the upper side of the top beam 5 is connected to the diverter seat 12. The air pump 8 on the right is connected to the diverter seat 12, and a plurality of lifting airbags 13 are connected to the upper side of the diverter seat 12.
[0021] like Figure 1 and Figure 5 As shown, the auxiliary components include a trackless cylinder 14, a sliding frame 15, an impact drill 16, a reinforcement anchor rod 17 and a limit block 18. The upper left side of the base 1 is connected to the front and rear trackless cylinders 14, the sliders of the trackless cylinders 14 are connected to the sliding frames 15, and the sliding frames 15 are connected to the impact drills 16. The upper left side of the base 1 is connected to the front and rear limit blocks 18, the limit blocks 18 are located on the left side of the trackless cylinder 14, and the limit blocks 18 are clamped with reinforcement anchor rods 17, and the reinforcement anchor rods 17 are located below the adjacent impact drills 16.
[0022] When using the utility model, first place the base 1 in the coal mine tunnel, then start the first hydraulic cylinder 4, push the top beam 5 to move upward and contact the tunnel roof to support the tunnel roof, and the top beam 5 moves upward while the support arm 2 and the shield beam 3 rotate to improve the stability of the top beam 5, and then start the second hydraulic cylinder 601 to rotate the guard plate 7 to contact the tunnel to further support the tunnel, and then start the air pump 8 to inflate the expansion airbag 10 through the connecting pipe 9, and inflate the jacking airbag 13 through the diverter seat 12, so that the expansion airbag 10 and the inflated airbag fit the tunnel. On the inner wall of the road, the protective armor 11 is used to protect the expansion airbag 10, so that it can adapt to the uneven top plate, fit closely with the top plate, and improve the support stability and safety. After the base 1 is placed in the specified position, the reinforcement anchor rod 17 is placed in the limit block 18, and then the trackless cylinder 14 is started to move the sliding frame 15 downward, driving the impact drill 16 to move downward, so that the impact drill 16 impacts the reinforcement anchor rod 17 until the reinforcement anchor rod 17 is driven into the ground, thereby automatically fixing the base 1, saving manpower and improving support efficiency.
[0023] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A coal mine fully mechanized mining working face support device, characterized in that: The invention comprises a base (1), a support arm (2), a shielding beam (3), a first hydraulic cylinder (4), a top beam (5), a front beam (6), a second hydraulic cylinder (601), a side guard plate (7) and a fitting assembly. The right side of the base (1) is rotatably connected to the support arm (2), the upper part of the support arm (2) is rotatably connected to the side guard plate (3), the upper side of the middle part of the base (1) is connected to two front and rear first hydraulic cylinders (4), the top beam (5) is connected between the upper sides of the telescopic ends of the first hydraulic cylinders (4), the top beam (5) is rotatably connected to the side guard plate (3), the lower side of the left part of the top beam (5) is connected to the front beam (6), the front and rear parts of the front beam (6) are both rotatably connected to the second hydraulic cylinder (601), the upper part of the front beam (6) is rotatably connected to the side guard plate (7), the telescopic ends of the second hydraulic cylinder (601) are both rotatably connected to the side guard plate (7), and the top beam (5) and the side guard plate (7) are both provided with a fitting assembly.
2. A coal mine fully mechanized mining working face support device according to claim 1, characterized in that: The laminating component comprises an air pump (8), a connecting pipe (9), an expansion air bag (10), a diverter seat (12) and a lifting air bag (13); the lower left side of the top beam (5) is connected to the left and right air pumps (8); a connecting pipe (9) is connected between the air pump (8) on the left and the side guard plate (7); the upper side of the side guard plate (7) is connected to the expansion air bag (10); the connecting pipe (9) is connected to the expansion air bag (10); the upper side of the top beam (5) is connected to the diverter seat (12); the air pump (8) on the right is connected to the diverter seat (12); and the upper side of the diverter seat (12) is connected to a plurality of lifting air bags (13).
3. A coal mine fully mechanized mining working face support device according to claim 2, characterized in that: The connecting pipe (9) is made of a hose material.
4. A coal mine fully mechanized mining working face support device according to claim 2, characterized in that: It also includes a protective armor (11), and a plurality of protective armors (11) are connected to the expansion airbag (10).
5. A coal mine fully mechanized mining working face support device according to claim 4, characterized in that: The protective armor (11) is made of rubber.
6. A coal mine fully mechanized mining working face support device according to claim 4, characterized in that: The auxiliary component comprises a trackless cylinder (14), a sliding frame (15), an impact drill (16), a reinforcement anchor rod (17) and a limit block (18); the upper left side of the base (1) is connected with two front and rear trackless cylinders (14); the sliders of the trackless cylinders (14) are connected with the sliding frames (15); the sliding frames (15) are connected with the impact drills (16); the upper left side of the base (1) is connected with two front and rear limit blocks (18); the limit blocks (18) are located on the left side of the trackless cylinder (14); the limit blocks (18) are clamped with reinforcement anchor rods (17); and the reinforcement anchor rods (17) are located below the adjacent impact drills (16).