Underground mining supporting device for coal mining

Abstract

The utility model relates to the technical field of mine supporting, and discloses an underground mining supporting device for coal mining, which comprises a sleeve and is characterized in that a first threaded rod is mounted in the sleeve. According to the underground mining supporting device for coal mining, through cooperative arrangement of a first threaded rod, a first bevel gear, a fixing rod, a cross beam, a fixing frame, a hydraulic cylinder, an arc-shaped supporting plate, a supporting rod, a supporting plate, a second threaded rod, a hand wheel, a driving motor, a transmission rod and a second bevel gear, the driving motor drives the transmission rod and the second bevel gear to rotate during use; a fixed rod is driven to ascend and descend while a first threaded rod is driven to rotate through an engaged first bevel gear, then an arc-shaped supporting plate is pushed through a hydraulic cylinder to support and fix the top wall of the mine, the supporting plate is driven to abut against the side wall of the mine while a second threaded rod is driven to rotate by shaking a hand wheel, and anti-skid teeth are used for preventing skid; and therefore, a worker can conveniently disassemble and assemble, and the operation is relatively convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of mine support, in particular to an underground mining support device for coal mining. Background Art

[0002] With the development of society and technology, people's demand for natural energy is increasing, including oil, natural gas, coal, etc. Coal mines contain rich coal resources, and coal is mined by digging tunnels underground. However, due to the need to dig underground, the force on the top of the mine is uneven during the long-term excavation process, which may cause mine collapse accidents. Therefore, in order to ensure the safety of underground mining workers, it is necessary to set up support devices in the mine to support and share the force on the inner wall of the rock underground in the mine, thereby reducing the probability of collapse accidents underground.

[0003] The existing underground mining support device for coal mining is not convenient for adjusting the position of the support plate according to the internal conditions of the mine, and the installation and disassembly process is relatively cumbersome, and it is not convenient to move and transport. Therefore, the utility model provides an underground mining support device for coal mining. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an underground mining support device for coal mining, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model provides the following technical solutions: an underground mining support device for coal mining, comprising a sleeve, a first threaded rod is installed inside the sleeve, a first bevel gear is fixedly installed on the surface of the first threaded rod, a fixing rod is threadedly connected to one side of the first bevel gear, a crossbeam is fixedly installed on one end of the fixing rod, a fixing frame is fixedly installed on the upper surface of the crossbeam, an arc-shaped support plate is fixedly installed on the surface of the fixing frame through a hydraulic cylinder, a support rod is hinged on one side of the fixing rod, one end of the support rod is connected to the support plate by sliding, one side of the support plate is threadedly connected to the fixing rod through a second threaded rod, and a hand wheel is fixedly installed on one end of the second threaded rod.

[0008] Preferably, a driving motor is fixedly mounted on one side of the sleeve, and a transmission rod is spline-connected to the output end of the driving motor, and one end of the transmission rod is drivingly connected to the first bevel gear via a second bevel gear.

[0009] Preferably, fixing blocks are fixedly installed on both sides of the sleeve, a knob rod is threadedly connected to the surface of the fixing block, and a floor piercing device is fixedly installed on one end of the knob rod.

[0010] Preferably, a power box is fixedly mounted on one side of the drive motor.

[0011] Preferably, anti-slip teeth are provided on the other side of the support plate.

[0012] Preferably, a universal wheel is fixedly mounted on the bottom of the sleeve.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an underground mining support device for coal mining, which has the following beneficial effects:

[0015] The underground mining support device for coal mining is provided by the cooperation of a first threaded rod, a first bevel gear, a fixed rod, a crossbeam, a fixed frame, a hydraulic cylinder, an arc-shaped support plate, a support rod, a support plate, a second threaded rod, a hand wheel, a driving motor, a transmission rod and a second bevel gear. When in use, the transmission rod and the second bevel gear are driven to rotate by the driving motor, and then the first threaded rod is driven to rotate by the meshing first bevel gear while driving the fixed rod to rise and fall, and then the arc-shaped support plate is pushed by the hydraulic cylinder to support and fix the top wall of the mine, and the second threaded rod is driven to rotate by shaking the hand wheel while driving the support plate to abut against the side wall of the mine, and anti-skid teeth are used to prevent skidding, so that it is convenient for workers to disassemble and install, and the operation is relatively convenient. Through the cooperation of the fixed block, the knob rod, the piercing floor and the universal wheel, the support device is moved by the universal wheel when in use, and then the piercing floor is driven to be inserted into the ground for fixed limit by rotating the knob rod, so that it is convenient for workers to move and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A diagram of the structure.

[0018] In the figure: 1, sleeve 2, first threaded rod 3, first bevel gear 4, fixed rod 5, cross beam 6, fixed frame 7, hydraulic cylinder 8, arc support plate 9, support rod 10, support plate 11, second threaded rod 12, hand wheel 13, drive motor 14, transmission rod 15, second bevel gear 16, fixed block 17, knob rod 18, floor piercing 19, power box 20, anti-skid teeth 21, universal wheel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 The utility model provides a technical solution: comprising a sleeve 1, a first threaded rod 2 is installed inside the sleeve 1, a first bevel gear 3 is fixedly installed on the surface of the first threaded rod 2, a fixing rod 4 is threadedly connected to one side of the first bevel gear 3, a crossbeam 5 is fixedly installed on one end of the fixing rod 4, a fixing frame 6 is fixedly installed on the upper surface of the crossbeam 5, an arc-shaped support plate 8 is fixedly installed on the surface of the fixing frame 6 through a hydraulic cylinder 7, a support rod 9 is hinged on one side of the fixing rod 4, one end of the support rod 9 is slidably connected to a support plate 10, and one side of the support plate 10 is connected to the second threaded rod 11 is threadedly connected to the fixing rod 4, one end of the second threaded rod 11 is fixedly installed with a hand wheel 12, one side of the sleeve 1 is fixedly installed with a driving motor 13, the output end of the driving motor 13 is splined with a transmission rod 14, one end of the transmission rod 14 is transmission-connected with the first bevel gear 3 through a second bevel gear 15, both sides of the sleeve 1 are fixedly installed with a fixing block 16, the surface of the fixing block 16 is threadedly connected with a knob rod 17, one end of the knob rod 17 is fixedly installed with a piercing floor 18, one side of the driving motor 13 is fixedly installed with a power box 19, and the other side of the support plate 10 is provided with a The anti-slip teeth 20 are arranged, and the first threaded rod 2, the first bevel gear 3, the fixed rod 4, the crossbeam 5, the fixed frame 6, the hydraulic cylinder 7, the arc support plate 8, the support rod 9, the support plate 10, the second threaded rod 11, the hand wheel 12, the drive motor 13, the transmission rod 14 and the second bevel gear 15 are arranged in coordination. When in use, the drive motor 13 drives the transmission rod 14 and the second bevel gear 15 to rotate, and then the meshing first bevel gear 3 drives the first threaded rod 2 to rotate while driving the fixed rod 4 to rise and fall, and then the hydraulic cylinder 7 pushes the arc support plate 8 to the mine. The top wall is supported and fixed, and the second threaded rod 11 is driven to rotate by shaking the hand wheel 12, while the support plate 10 is driven to abut against the side wall of the mine, and the anti-skid teeth 20 are used to prevent slipping, which makes it convenient for workers to disassemble and install, and the operation is relatively convenient. A universal wheel 21 is fixedly installed at the bottom of the sleeve 1. Through the coordinated arrangement of the fixed block 16, the knob rod 17, the piercing floor 18 and the universal wheel 21, the support device is moved by the universal wheel 21 when in use, and then the piercing floor 18 is driven to be inserted into the ground for fixed limit by rotating the knob rod 17, which makes it convenient for workers to move and transport.

[0021] In summary, the underground mining support device for coal mining is arranged by the cooperation of the first threaded rod 2, the first bevel gear 3, the fixed rod 4, the crossbeam 5, the fixed frame 6, the hydraulic cylinder 7, the arc support plate 8, the support rod 9, the support plate 10, the second threaded rod 11, the hand wheel 12, the drive motor 13, the transmission rod 14 and the second bevel gear 15. When in use, the drive motor 13 drives the transmission rod 14 and the second bevel gear 15 to rotate, and then the meshing first bevel gear 3 drives the first threaded rod 2 to rotate while driving the fixed rod 4 to rise and fall, and then the hydraulic cylinder 7 drives the first threaded rod 2 to rotate. The pressure cylinder 7 pushes the arc-shaped support plate 8 to support and fix the top wall of the mine. When the second threaded rod 11 is rotated by shaking the hand wheel 12, the support plate 10 is driven to abut against the side wall of the mine, and the anti-skid teeth 20 are used to prevent slipping, thereby facilitating the workers to disassemble and install, and the operation is relatively convenient. Through the coordinated arrangement of the fixed block 16, the knob rod 17, the piercing floor 18 and the universal wheel 21, the support device is moved through the universal wheel 21 when in use, and then the piercing floor 18 is driven to be inserted into the ground for fixed limit by rotating the knob rod 17, thereby facilitating the workers to move and transport.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An underground mining support device for coal mining, comprising a sleeve (1), characterized in that: A first threaded rod (2) is installed inside the sleeve (1), a first bevel gear (3) is fixedly installed on the surface of the first threaded rod (2), a fixing rod (4) is threadedly connected to one side of the first bevel gear (3), a crossbeam (5) is fixedly installed on one end of the fixing rod (4), a fixing frame (6) is fixedly installed on the upper surface of the crossbeam (5), an arc-shaped support plate (8) is fixedly installed on the surface of the fixing frame (6) through a hydraulic cylinder (7), a support rod (9) is hinged on one side of the fixing rod (4), one end of the support rod (9) is slidably connected to a support plate (10), one side of the support plate (10) is threadedly connected to the fixing rod (4) through a second threaded rod (11), and a hand wheel (12) is fixedly installed on one end of the second threaded rod (11).

2. The underground mining support device for coal mining according to claim 1, characterized in that: A drive motor (13) is fixedly mounted on one side of the sleeve (1), an output end of the drive motor (13) is spline-connected to a transmission rod (14), and one end of the transmission rod (14) is transmission-connected to the first bevel gear (3) via a second bevel gear (15).

3. The underground mining support device for coal mining according to claim 1, characterized in that: Fixed blocks (16) are fixedly mounted on both sides of the sleeve (1), a knob rod (17) is threadedly connected to the surface of the fixed block (16), and a piercing floor (18) is fixedly mounted on one end of the knob rod (17).

4. The underground mining support device for coal mining according to claim 2, characterized in that: A power supply box (19) is fixedly mounted on one side of the driving motor (13).

5. The underground mining support device for coal mining according to claim 1, characterized in that: Anti-slip teeth (20) are provided on the other side of the support plate (10).

6. The underground mining support device for coal mining according to claim 1, characterized in that: A universal wheel (21) is fixedly mounted on the bottom of the sleeve (1).

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