Underground air adjusting device for coal mine

Abstract

The utility model relates to the technical field of air duct air regulation, in particular to an underground coal mine air regulation device which comprises an installation barrel, a connecting pipe, an installation base, a plurality of round rods, a plurality of rotating shafts, a plurality of fan blades, a plurality of gears, annular teeth, an installation assembly and an adjusting assembly. When the air volume is increased, the adjusting assembly drives the annular teeth to rotate clockwise, the gear meshed with the annular teeth drives the rotating shaft to rotate anticlockwise, and the fan blades increase the ventilation sectional area under the support of the round rod; when the air volume is reduced, the adjusting assembly is used for driving the annular teeth to rotate anticlockwise, the gear meshed with the annular teeth drives the rotating shaft to rotate clockwise, and the fan blades are supported by the round rod to reduce the ventilation sectional area, so that workers do not need to stop air for maintenance when the air duct is damaged, and harmful gas such as underground gas can be effectively prevented from being accumulated; the safety risk is reduced, and the life safety of coal miners is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wind tube air adjusting technical field, especially a coal mine underground air adjusting device. BACKGROUND

[0002] In the coal mine underground mining operation system, the ventilation system is the core element of guaranteeing safety production, and the traditional ventilation mode is generally directly penetrated through the fan, so that not only the efficiency is low, but also the work load of the staff is easily increased.

[0003] At present, the air is adjusted through the wind tube equipment, the existing wind tube equipment is generally provided with a fan plate and a mechanism for fixing the fan, the air volume is adjusted through the fan, the dust generated in the mining process is dispersed, the harmful gas such as gas is diluted and discharged, the efficiency is high, and the work load of the staff can be reduced.

[0004] However, by the above-mentioned mode, the air volume is adjusted through the fan, the dust generated in the mining process is dispersed, the harmful gas such as gas is diluted and discharged, the efficiency is high, and the work load of the staff can be reduced. In the process of use, the outer wall of the wind tube is easy to be damaged due to the complex working environment, and the wind tube needs to continuously transport gas to the mine, so that the internal air volume cannot be adjusted, the work load of the maintenance personnel is increased, and the life safety of the coal mine workers is affected. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a coal mine underground air adjusting device, and aims at solving the problems that the outer wall of the wind tube is easy to be damaged due to the complex working environment in the prior art, the wind tube needs to continuously transport gas to the mine, the internal air volume cannot be adjusted, the work load of the maintenance personnel is increased, and the life safety of the coal mine workers is affected.

[0006] The utility model provides a kind of coal mine underground air regulating device, including installation cylinder, connecting pipe, mounting seat, multiple round bars, multiple rotating shafts, multiple fan leaves, multiple gears, annular teeth, mounting assembly and adjusting assembly, the connecting pipe is fixedly connected with the installation cylinder, and located the inner side wall of the installation cylinder, the mounting seat is set to the inner side wall of the connecting pipe, multiple the round bar is fixedly connected with the mounting seat, and is located the outer side wall of the mounting seat respectively, multiple the fan leaf is fixedly connected with corresponding the round bar, and located the outer side wall of the round bar, multiple the rotating shaft is fixedly connected with corresponding the fan leaf, and located one side of the fan leaf, the connecting pipe has multiple round holes, multiple the round hole is fixedly connected with corresponding the rotating shaft, multiple the gear is fixedly connected with corresponding the rotating shaft, and located one end of the rotating shaft, the annular teeth are set to the outer side wall of the connecting pipe, and the annular teeth are evenly engaged with multiple the gear, the adjusting assembly is connected with the installation cylinder and the annular teeth respectively, and the mounting assembly is connected with the installation cylinder.

[0007] Wherein, the adjusting assembly includes support frame, connecting rod and lever, the support frame is fixedly connected with the installation cylinder, and located below the installation cylinder, the connecting rod is fixedly connected with the annular teeth, and located below the annular teeth, the support frame has arc hole, the arc hole is slidingly fitted with the connecting rod, the lever is rotatably connected with the connecting pipe, and located the outer side wall of the connecting pipe, and the lever is rotatably fitted with the connecting rod.

[0008] Wherein, the adjusting assembly further includes swing motor and rotating frame, the swing motor is fixedly connected with the installation cylinder, and located below the installation cylinder, the rotating frame is fixedly connected with the swing motor, and located the output end of the swing motor, and the rotating frame is adapted with the lever.

[0009] Wherein, the mounting assembly includes side plate, moving plate and locking bolt, the side plate is fixedly connected with the installation cylinder, and located below the installation cylinder, the locking bolt is threadedly connected with the side plate, and located one side of the side plate, the moving plate is fixedly connected with the locking bolt, and located one end of the locking bolt.

[0010] Wherein, the mounting assembly further includes connecting rib, the connecting rib is fixedly connected with the side plate and the installation cylinder respectively.

[0011] The utility model discloses a coal mine underground air adjusting device, when using, the installation cylinder is placed in the inner wall of the air cylinder, utilizes installation subassembly and fixes, when increasing the air volume, utilizes the adjustment subassembly and drives the annular tooth anticlockwise rotation, the gear meshing with this drives the shaft anticlockwise rotation, drives the fan blade under the support of the round bar and increases the ventilation cross section, improves the air volume of this section air cylinder, and when reducing the air volume, utilizes the adjustment subassembly and drives the annular tooth anticlockwise rotation, the gear meshing with this drives the shaft clockwise rotation, drives the fan blade under the support of the round bar and reduces the ventilation cross section, reduces the air volume of this section air cylinder, adjusts the air volume in the air cylinder through such mode, the staff does not need to stop the air maintenance when the air cylinder is damaged, can effectively avoid the harmful gas such as underground gas accumulation caused by stopping the air, reduces the security risk, guarantees the life safety of coal mine worker. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below.

[0013] Figure 1 It is the structure schematic diagram of coal mine underground air adjusting device of the utility model.

[0014] Figure 2 It is the plan view of coal mine underground air adjusting device of the utility model.

[0015] Figure 3 It is the A-A line section view of the utility model's Figure 2 .

[0016] Figure 4 It is the B place local structure enlarged view of the utility model's Figure 3 .

[0017] Figure 5 It is the structure schematic diagram of the whole of gear, annular tooth, support frame, connecting rod and push rod of the utility model.

[0018] 101 - installation cylinder, 102 - connecting pipe, 103 - mounting seat, 104 - round bar, 105 - shaft, 106 - fan blade, 107 - gear, 108 - annular tooth, 109 - support frame, 110 - connecting rod, 111 - push rod, 112 - swing motor, 113 - rotating frame, 114 - side plate, 115 - moving plate, 116 - locking bolt, 117 - connecting rib, 118 - round hole, 119 - arc hole. DETAILED DESCRIPTION

[0019] Please refer to Figures 1 to 5 , wherein, Figure 1 It is the structure schematic diagram of coal mine underground air adjusting device of the utility model,Figure 2 is the plan view of the coal mine underground air adjusting device of the utility model, Figure 3 is the Figure 2 A-A line section view of the utility model, Figure 4 is the Figure 3 B place local structure enlarged view of the utility model, Figure 5 is the structure schematic diagram of the whole of gear, annular tooth, support frame, connecting rod and push rod of the utility model.

[0020] The utility model provides a kind of coal mine underground air adjusting device, including installation cylinder 101, connecting pipe 102, mounting seat 103, multiple round rods 104, multiple rotating shafts 105, multiple fan leaves 106, multiple gears 107, annular tooth 108, mounting assembly and adjusting assembly, the adjusting assembly includes support frame 109, connecting rod 110, push rod 111, swing motor 112 and rotating frame 113, the mounting assembly includes side plate 114, moving plate 115, locking bolt 116 and connecting rib 117, the connecting pipe 102 has multiple round holes 118, the support frame 109 has arc hole 119.

[0021] The connecting pipe 102 is fixedly connected with the installation cylinder 101, and is located at the inner side wall of the installation cylinder 101, the mounting seat 103 is arranged on the inner side wall of the connecting pipe 102, multiple round rods 104 are fixedly connected with the mounting seat 103, and are respectively located at the outer side wall of the mounting seat 103, multiple fan leaves 106 are fixedly connected with corresponding round rods 104, and are located at the outer side wall of the round rod 104, multiple rotating shafts 105 are fixedly connected with corresponding fan leaves 106, and are located at one side of the fan leaf 106, the connecting pipe 102 has multiple round holes 118, multiple round holes 118 are fixedly connected with corresponding rotating shafts 105, multiple gears 107 are fixedly connected with corresponding rotating shafts 105, and are located at one end of the rotating shaft 105, the annular tooth 108 is arranged on the outer side wall of the connecting pipe 102, and the annular tooth 108 is engaged with multiple gears 107 evenly, the adjusting assembly is connected with the installation cylinder 101 and the annular tooth 108 respectively, and the mounting assembly is connected with the installation cylinder 101.

[0022] In this embodiment, the installation cylinder 101 is placed on the inner wall of the air duct, and is fixed by the installation assembly. When the air volume is increased, the ring-shaped teeth 108 are rotated clockwise by the adjusting assembly, and the gear 107 engaged with the ring-shaped teeth 108 drives the rotating shaft 105 to rotate counterclockwise, so that the fan blades 106 are driven to increase the cross-sectional area of the air duct under the support of the round rod 104, thereby increasing the air volume of the air duct. When the air volume is reduced, the ring-shaped teeth 108 are rotated counterclockwise by the adjusting assembly, and the gear 107 engaged with the ring-shaped teeth 108 drives the rotating shaft 105 to rotate clockwise, so that the fan blades 106 are driven to reduce the cross-sectional area of the air duct under the support of the round rod 104, thereby reducing the air volume of the air duct. In this way, the air volume in the air duct is adjusted, so that the staff does not need to stop the air flow for maintenance when the air duct is damaged, which can effectively avoid the accumulation of harmful gases such as gas in the mine due to the stop of the air flow, reduce the safety risk, and protect the life safety of the coal mine workers.

[0023] Further, the support frame 109 is fixedly connected with the installation cylinder 101 and located below the installation cylinder 101, the connecting rod 110 is fixedly connected with the ring-shaped teeth 108 and located below the ring-shaped teeth 108, the support frame 109 has an arc-shaped hole 119, the arc-shaped hole 119 is in sliding fit with the connecting rod 110, the push rod 111 is rotationally connected with the connecting pipe 102 and located on the outer side wall of the connecting pipe 102, and the push rod 111 is in rotational fit with the connecting rod 110.

[0024] In this embodiment, when the air volume is increased, the push rod 111 is pushed clockwise to drive the ring-shaped teeth 108 above the connecting rod 110 to slide in the same direction, so as to increase the cross-sectional area of the air duct. When the air volume is reduced, the push rod 111 is pushed counterclockwise to drive the ring-shaped teeth 108 above the connecting rod 110 to slide in the same direction, so as to reduce the cross-sectional area of the air duct. The arc-shaped hole 119 is used to limit the movement distance of the connecting rod 110.

[0025] Further, the swing motor 112 is fixedly connected with the installation cylinder 101 and located below the installation cylinder 101, the rotating frame 113 is fixedly connected with the swing motor 112 and located on the output end of the swing motor 112, and the rotating frame 113 is adapted to the push rod 111.

[0026] In this embodiment, the swing motor 112 and the rotating frame 113 drive the push rod 111 to rotate, which is convenient for the staff to operate and use.

[0027] Further, the side plate 114 is fixedly connected with the mounting cylinder 101 and located below the mounting cylinder 101, the locking bolt 116 is threadedly connected with the side plate 114 and located at one side of the side plate 114, and the moving plate 115 is fixedly connected with the locking bolt 116 and located at one end of the locking bolt 116.

[0028] In the embodiment, the mounting cylinder 101 is placed on the inner wall of the air duct, the locking bolt 116 is tightened, the moving plate 115 is driven to abut against the inner wall of the air duct, and the fixing of the mounting cylinder 101 is completed. The device has simple structure and is convenient for operation and use of workers.

[0029] Further, the connecting rib 117 is fixedly connected with the side plate 114 and the mounting cylinder 101 respectively.

[0030] In the embodiment, the connecting rib 117 is used to improve the connectivity between the side plate 114 and the mounting cylinder 101, share the pressure borne by the connecting position, and prolong the service life of the side plate 114.

[0031] The above only discloses one preferred embodiment of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned processes can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A coal mine underground air regulating device, characterized in that, including installation cylinder, connecting pipe, mounting seat, a plurality of round bars, a plurality of rotating shafts, a plurality of fan blades, a plurality of gears, ring teeth, mounting assembly and adjusting assembly, the connecting pipe is fixedly connected with the installation cylinder and located on the inner side wall of the installation cylinder, the mounting seat is arranged on the inner side wall of the connecting pipe, a plurality of the round bars are fixedly connected with the mounting seat and respectively located on the outer side wall of the mounting seat, a plurality of the fan blades are fixedly connected with the corresponding round bars and located on the outer side wall of the round bar, a plurality of the rotating shafts are fixedly connected with the corresponding fan blades and located on one side of the fan blade, the connecting pipe has a plurality of round holes, a plurality of the round holes are fixedly connected with the corresponding rotating shafts, a plurality of the gears are fixedly connected with the corresponding rotating shafts and located at one end of the rotating shaft, the ring teeth are arranged on the outer side wall of the connecting pipe, and the ring teeth are engaged with a plurality of the gears, the adjusting assembly is connected with the installation cylinder and the ring teeth respectively, and the mounting assembly is connected with the installation cylinder.

2. The coal mine underground air regulating device according to claim 1, characterized in that, the adjusting assembly includes a support frame, a connecting rod and a lever, the support frame is fixedly connected with the installation cylinder and located below the installation cylinder, the connecting rod is fixedly connected with the ring teeth and located below the ring teeth, the support frame has an arc-shaped hole, the arc-shaped hole is in sliding fit with the connecting rod, the lever is rotationally connected with the connecting pipe and located on the outer side wall of the connecting pipe, and the lever is in rotational fit with the connecting rod.

3. The coal mine underground air regulating device according to claim 2, characterized in that, the adjusting assembly further includes a swing motor and a rotating frame, the swing motor is fixedly connected with the installation cylinder and located below the installation cylinder, the rotating frame is fixedly connected with the swing motor and located at the output end of the swing motor, and the rotating frame is adapted to the lever.

4. The coal mine underground air regulating device according to claim 3, characterized in that, the mounting assembly includes a side plate, a moving plate and a locking bolt, the side plate is fixedly connected with the installation cylinder and located below the installation cylinder, the locking bolt is threadedly connected with the side plate and located on one side of the side plate, and the moving plate is fixedly connected with the locking bolt and located at one end of the locking bolt.

5. The coal mine underground air regulating device according to claim 4, characterized in that, the mounting assembly further includes a connecting rib, the connecting rib is fixedly connected with the side plate and the installation cylinder respectively.

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