Coal mine ventilation device capable of adjusting ventilation quantity

Abstract

The utility model relates to the technical field of coal mining equipment, in particular to a coal mine ventilation device capable of adjusting ventilation quantity, which comprises a ventilation pipeline, an air deflector and an air quantity adjusting mechanism, and the air quantity adjusting mechanism comprises a mounting guide rail, two air baffles, a rotating rod, two sliding seats, two connecting arms and a protective plate. A first threaded part and a second threaded part are arranged at the two ends of the rotating rod respectively, threads of the first threaded part and threads of the second threaded part are opposite, and when the rotating rod is rotated, connecting pairs are arranged on the first threaded part and the second threaded part respectively, and each connecting pair is connected with one sliding seat; according to the technical scheme, the two sliding seats are driven to synchronously slide on the mounting guide rail in the face-to-face or back-to-back mode, then the connecting arms drive the wind shields to slide in the corresponding through grooves, the two wind shields are used for adjusting the leakage number of the ventilation grooves in the wind guide plate, operation is flexible and convenient, the control precision is high, and the practicability is high. The effect of rapidly adjusting the air volume according to requirements is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining equipment technical field especially relates to a kind of coal mine ventilation devices of adjustable ventilation. BACKGROUND

[0002] Since mine is usually located underground, air is thin, and contains a large amount of dust and toxic harmful objects, in order to ensure the safety of workers in the mine construction, it is usually necessary to cooperate with the ventilation duct to the mine into the fresh air, in order to create a good construction environment.

[0003] The patent document with publication number CN112412520A provides an automatic induction mine ventilation air volume adjusting mechanism, including a controller and two air doors set in the mine, which are consistent in shape and size, and are opened and closed, the air gap on the two sides of the two air doors opposite each other forms an air vent, the air door and the mine wall are also connected with an opening and closing device, the controller is installed on the opening and closing device, an electronic anemometer is installed at the air vent, the electronic anemometer, the controller and the control end of the opening and closing device are electrically connected in series. The wind speed information through the air vent is obtained by measuring the electronic anemometer, and the opening of the air door is calculated according to the wind speed, the size of the air vent and the required air volume of the user, which achieves the purpose of accurately adjusting the ventilation air volume, and the air volume adjustment is highly automated

[0004] However, when the opening and closing pipe channel is used to adjust the air volume of the coal mine ventilation pipe, the adjustment accuracy is poor, it is difficult to effectively control the air volume, and the air volume adjustment effect of the ventilation pipe is affected. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of coal mine ventilation device of adjustable ventilation, solve the problem that when the opening and closing pipe channel is used to adjust the air volume of the coal mine ventilation pipe, the adjustment accuracy is poor, it is difficult to effectively control the air volume, and the air volume adjustment effect of the ventilation pipe is affected.

[0006] To achieve the above purpose, the utility model provides a kind of coal mine ventilation device of adjustable ventilation, including ventilation pipe, air deflector and air volume adjusting mechanism, the inside of the ventilation pipe is provided with the air deflector, multiple ventilation slots are evenly arranged on the air deflector;

[0007] The air volume adjusting mechanism comprises a mounting guide rail, two air baffles, a rotating rod, two sliding seats and two connecting arms, the mounting guide rail is mounted on the upper surface of the ventilation duct, both sides of the ventilation duct are provided with through grooves, each through groove is slidably provided with the air baffle, both air baffles are located on the side of the air baffle, the rotating rod is rotatably arranged in the mounting guide rail, the first threaded part and the second threaded part are oppositely arranged on the ends of the rotating rod, the connecting pair is arranged on the first threaded part and the second threaded part, the sliding seat is slidably arranged on the ends of the mounting guide rail, the connecting pair is connected with the sliding seat, the connecting arm is arranged on the sliding seat, and the end, away from the sliding seat, of the connecting arm is connected with the outside of the air baffle.

[0008] The air volume adjusting mechanism further comprises a protective plate, the sliding groove is arranged on the sliding seat, the protective plate penetrates the two sliding grooves, and the ends of the protective plate are connected with the ends of the mounting guide rail.

[0009] The connecting arm comprises an arm body, a first connecting block and a second connecting block, the first connecting block is arranged on one end of the arm body, the second connecting block is arranged on the other end of the arm body, the first connecting block is connected with the sliding seat, and the second connecting block is connected with the outside of the air baffle.

[0010] The bottom of the sliding seat is provided with a plurality of rolling balls on both sides, and the rolling balls are attached to the end surface of the mounting guide rail.

[0011] The ends of the mounting guide rail are provided with rotating bearings, the ends of the rotating rod are provided with rotating heads, and the rotating heads are embedded into the rotating bearings.

[0012] The utility model discloses a coal mine ventilation device of adjustable ventilation, which comprises a ventilation duct, an air baffle and an air volume adjusting mechanism, the air volume adjusting mechanism comprises a mounting guide rail, two air baffles, a rotating rod, two sliding seats, two connecting arms and a protective plate, the rotating rod is rotated, the connecting pair is arranged on the first threaded part and the second threaded part, the connecting pair is connected with the sliding seat, the two sliding seats are synchronously slid on the mounting guide rail, the air baffle is slid in the through groove through the connecting arm, the number of ventilation grooves on the air baffle is adjusted by the two air baffles, the operation is flexible and convenient, the control precision is high, and the effect of quickly adjusting the air volume according to the requirement is realized. ACCURACY

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced.

[0014] Figure 1 is a structural schematic view of the adjustable ventilation volume coal mine ventilation device provided by the present application.

[0015] Figure 2 is a structural schematic view of the adjustable ventilation volume coal mine ventilation device provided by the present application. Figure 1 is an enlarged view of a partial structure at A of the adjustable ventilation volume coal mine ventilation device,

[0016] Figure 3 is a partial structural schematic view of the air volume adjusting mechanism provided by the present application.

[0017] Figure 4 is a structural schematic view of the sliding seat provided by the present application.

[0018] 101-ventilation duct, 102-air deflector, 103-mounting guide rail, 104-wind shield, 105-rotation rod, 106-sliding seat, 107-protection plate, 108-arm body, 109-first connecting block, 110-second connecting block, 111-ventilation slot, 112-slotted hole, 113-first threaded part, 114-second threaded part, 115-connecting pair, 116-slotted groove, 117-rolling ball, 118-rotation bearing, 119-rotation head. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the accompanying drawings. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0020] Please refer to Figures 1 to 4 , wherein Figure 1 is a structural schematic view of the adjustable ventilation volume coal mine ventilation device, Figure 2 is Figure 1 an enlarged view of a partial structure at A of the adjustable ventilation volume coal mine ventilation device, Figure 3 is a partial structural schematic view of the air volume adjusting mechanism, Figure 4 is a structural schematic view of the sliding seat.

[0021] The utility model provides a kind of adjustable ventilation quantity's coal mine ventilation device:Including ventilation duct 101, air deflector 102 and air volume regulating mechanism, the air volume regulating mechanism includes installation guide rail 103, two wind shields 104, rotating rod 105, two sliding seats 106, two connecting arms and guard plate 107, each The connecting arm includes arm body 108, first connecting block 109 and second connecting block 110. When the air volume of coal mine ventilation duct 101 is adjusted by the way of switch duct channel, the problem that the adjustment accuracy is poor, the air volume is difficult to effectively control, and the air volume adjustment effect of ventilation duct 101 is affected is solved by the foregoing scheme, it can be understood that the foregoing scheme can be used on the structure of adjustable ventilation quantity's coal mine ventilation device.

[0022] For the specific embodiment, the inside of the ventilation duct 101 is provided with the air deflector 102, a plurality of ventilation slots 111 are uniformly arranged on the air deflector 102, the installation guide rail 103 is installed on the upper surface of the ventilation duct 101, the two sides of the ventilation duct 101 are provided with through slots 112, the wind shield 104 is slidingly arranged at each through slot 112, the two wind shields 104 are located on the side of the air deflector 102, the rotating rod 105 is rotatably arranged in the installation guide rail 103, the first threaded portion 113 and the second threaded portion 114 are arranged at the two ends of the rotating rod 105, the threads of the first threaded portion 113 and the second threaded portion 114 are opposite, the connecting pair 115 is arranged on the first threaded portion 113 and the second threaded portion 114, the sliding seat 106 is slidingly arranged at the two ends of the installation guide rail 103, each connecting pair 115 is connected to one sliding seat 106, the connecting arm is arranged on each sliding seat 106, one end of each connecting arm away from the corresponding sliding seat 106 is connected to the outside of the corresponding wind shield 104, the rotating rod 105 is rotated (driven by the drive motor arranged at the end of the installation guide rail 103), since the connecting pair 115 is arranged on the first threaded portion 113 and the second threaded portion 114, each connecting pair 115 is connected to one sliding seat 106, thereby driving the two sliding seats 106 to slide synchronously on the installation guide rail 103, and then driving the wind shield 104 to slide in the corresponding through slot 112 by the connecting arm, adjusting the number of ventilation slots 111 on the air deflector 102 by the two wind shields 104, the operation is flexible and convenient, and the control precision is high, thereby realizing the effect of quickly adjusting the air volume according to the demand.

[0023] Wherein, each of the sliding seat 106 is provided with a sliding groove 116, the guard plate 107 is through two sliding grooves 116, both ends of the guard plate 107 are connected with the end of the mounting guide rail 103, through the setting of the guard plate 107, the end surface of the mounting guide rail 103 is protected, and the operation of the two connecting pairs 115 on the rotating rod 105 is avoided.

[0024] Secondly, one end of the arm body 108 is fixedly provided with the first connecting block 109, the other end of the arm body 108 is fixedly provided with the second connecting block 110, the first connecting block 109 is connected with the corresponding sliding seat 106, and the second connecting block 110 is connected with the outer side of the corresponding wind deflector 104. Since the first connecting block 109 and the second connecting block 110 are fixedly connected with the arm body 108, the connecting arm is made of one-piece forming technology, and the structure is more firm.

[0025] Meanwhile, the bottom of each sliding seat 106 is provided with a plurality of rolling balls 117 on both sides, the rolling ball 117 is attached to the end surface of the mounting guide rail 103, and the sliding seat 106 is slid on the mounting guide rail 103, and the sliding is more smooth.

[0026] In addition, the two ends of the mounting guide rail 103 are provided with rotating bearings 118, and the two ends of the rotating rod 105 are provided with rotating heads 119, the rotating head 119 is embedded into the corresponding rotating bearing 118, and the rotating rod 105 is rotated on the mounting guide rail 103, and the rotating is more smooth.

[0027] When the adjustable ventilation quantity coal mine ventilation device is used, the rotating rod 105 is rotated (which can be driven by the driving motor arranged at the end of the mounting guide rail 103), the first threaded portion 113 and the second threaded portion 114 are provided with the connecting pair 115, each connecting pair 115 is connected with one sliding seat 106, thereby driving two sliding seats 106 to slide on the mounting guide rail 103, and the wind deflector 104 is driven to slide in the corresponding through groove 112, the number of the ventilation slots 111 on the air deflector 102 is adjusted by the two wind deflectors 104, the operation is flexible and convenient, and the control precision is high, thereby realizing the effect of quickly adjusting the air volume according to the requirement, and the end surface of the mounting guide rail 103 is protected by the setting of the guard plate 107, and the operation of the two connecting pairs 115 on the rotating rod 105 is avoided.

[0028] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above-mentioned embodiments, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. An adjustable air volume coal mine ventilation device, comprising a ventilation duct and a guide vane, the inside of the ventilation duct is provided with the guide vane, a plurality of ventilation slots are uniformly arranged on the guide vane, characterized in that, It further comprises an air volume adjusting mechanism; The air volume adjusting mechanism comprises a mounting guide rail, two wind baffles, a rotating rod, two sliding seats and two connecting arms, the mounting guide rail is mounted on the upper surface of the ventilation duct, both sides of the ventilation duct are provided with through slots, each through slot is slidingly provided with the wind baffle, both wind baffles are located on the side of the guide vane, the rotating rod is rotatably arranged in the mounting guide rail, the first threaded part and the second threaded part are arranged at both ends of the rotating rod respectively, the threads of the first threaded part and the second threaded part are opposite, the connecting pair is arranged on the first threaded part and the second threaded part, both ends of the mounting guide rail are slidingly provided with the sliding seat, each connecting pair is connected with one sliding seat respectively, the connecting arm is arranged on each sliding seat, and one end of each connecting arm away from the corresponding sliding seat is connected with the outer side of the corresponding wind baffle.

2. The adjustable air volume coal mine ventilation device according to claim 1, characterized in that, The air volume adjusting mechanism further comprises a protective plate, a sliding groove is penetratingly arranged on each sliding seat, the protective plate penetrates through the two sliding grooves, and both ends of the protective plate are connected with the end portions of the mounting guide rail.

3. The adjustable air volume coal mine ventilation device according to claim 2, characterized in that, Each connecting arm comprises an arm body, a first connecting block and a second connecting block, the first connecting block is fixedly arranged at one end of the arm body, the second connecting block is fixedly arranged at the other end of the arm body, the first connecting block is connected with the corresponding sliding seat, and the second connecting block is connected with the outer side of the corresponding wind baffle.

4. The adjustable air volume coal mine ventilation device according to claim 3, characterized in that, A plurality of rolling balls are arranged on both sides of the bottom of each sliding seat, and the rolling balls are in close contact with the end surface of the mounting guide rail.

5. The adjustable air volume coal mine ventilation device according to claim 4, characterized in that, Both ends of the mounting guide rail are provided with rotating bearings, both ends of the rotating rod are provided with rotating heads, and the rotating heads are embedded into the inside of the corresponding rotating bearings.

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