A dust control system for a mine

Abstract

The application discloses a kind of mine dustproof system of dust removal device technical field, including negative pressure pipeline;Indexing turntable;Multiple pipe interfaces;Transition pipe, fixedly connected on negative pressure pipeline and with negative pressure pipeline inside communication;Communication unit, for connecting transition pipe and any pipe interface;Rotary unit, for driving indexing turntable rotation, make one of pipe interface rotate to correspond with transition pipe.Corresponding working place is dusted when needing, by rotating unit driving indexing turntable rotation certain degree, and then make communication unit start, so that one of pipe interface is communicated with negative pressure pipeline, so that dust in working place can be discharged from pipe interface into negative pressure pipeline, and worker is not needed to operate, save time and labour, avoid the cost rising problem generated by frequent pipe laying.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dust removal devices, in particular to a mine dust prevention system. BACKGROUND

[0002] A mine is a general term for shafts, chambers, equipment, ground buildings and structures that form an underground coal mine production system. Sometimes, the inclined shafts, vertical shafts, adits and other underground development in mines are also called mines.

[0003] When operating in a mine, the dust generated during operation is large due to the relatively closed operating environment in the mine. Therefore, dust removal equipment is generally used for dust removal. The current dust removal equipment mainly uses a negative pressure pipeline in combination with an air inlet. The negative pressure pipeline has a negative pressure, so that the dust can enter the negative pressure pipeline through the air inlet. However, in actual underground operation, the operating site position is not fixed. Therefore, it is necessary to connect the air inlet to the pipeline and place one end of the pipeline at the operating site position to realize the suction of dust into the air inlet through the air pipe and into the negative pressure pipeline. Since there are multiple operating sites that are alternately operated, it is necessary to frequently replace the laid pipeline to different operating site positions to adapt to the dust removal needs of different operating sites. This way causes inconvenience in operation, and the human and material resources consumed by frequent pipeline laying will cause a decrease in work efficiency and an indirect increase in production cost.

[0004] Based on this, the present application designs a mine dust prevention system to solve the above problems. SUMMARY

[0005] In view of the existing problems, the present application provides a mine dust prevention system, which effectively solves the problems raised in the background art.

[0006] To solve the above problems, the present application adopts the following technical scheme: a mine dust prevention system, comprising:

[0007] A negative pressure pipeline is connected to an external air extraction device.

[0008] A dividing disc is rotatably sleeved on the closed end of the negative pressure pipeline.

[0009] A plurality of pipe interfaces are arrayed on the dividing disc with the negative pressure pipeline axial as the axis. The dividing disc is provided with a communication hole corresponding to the pipe interface.

[0010] A transition pipe is fixedly connected to the negative pressure pipeline and communicates with the inside of the negative pressure pipeline.

[0011] A communication unit is used to communicate the transition pipe and any pipe interface.

[0012] A rotating unit is used to drive the dividing disc to rotate, so that one of the pipe interfaces is rotated to correspond to the transition pipe.

[0013] The rotating unit of the mine dust prevention system comprises:

[0014] An annular rack coaxially sleeved on the index turntable;

[0015] A stepping motor arranged on the negative pressure pipeline through a support;

[0016] A first gear sleeved on the motor shaft of the stepping motor and engaged with the annular rack for transmission.

[0017] The index turntable is provided with a bearing mounting hole, a bearing is arranged in the bearing mounting hole, the negative pressure pipeline is inserted into the bearing, two stop rings are sleeved on the negative pressure pipeline, the two stop rings are respectively adjacent to the two end faces of the index turntable, and the outer diameter of the stop ring is greater than the outer diameter of the outer ring of the bearing.

[0018] The communication unit of the mine dust prevention system comprises:

[0019] A connecting sleeve freely slidably arranged in the communication hole along the axial direction of the communication hole;

[0020] A magnetic conduction block fixedly connected to the section of the connecting sleeve inserted into the communication hole, a through hole penetrating through the magnetic conduction block is arranged on the connecting sleeve, and a sliding cavity for clamping the magnetic conduction block and freely sliding is arranged in the index turntable;

[0021] A support plate fixedly connected to the negative pressure pipeline;

[0022] A permanent magnet embedded on the support plate and capable of generating a magnetic attraction force on the magnetic conduction block;

[0023] A transition sleeve inserted into the support plate and corresponding to one of the connecting sleeves, the outer diameter of the transition sleeve matches the inner diameter of the connecting sleeve, so that the transition sleeve can be telescopically inserted into the through hole of the connecting sleeve, and the transition sleeve is in communication with the transition pipeline;

[0024] A spring sleeved on the connecting sleeve and capable of generating an elastic abutting force on the magnetic conduction block in a natural state and driving the connecting sleeve to retract into the communication hole.

[0025] The transition sleeve is sleeved with a rubber pad.

[0026] The negative pressure pipeline is provided with an integrally formed communication bin, the communication bin is provided with a through groove on both sides, the through groove is in communication with the negative pressure pipeline, and a filter screen is arranged in one of the through grooves.

[0027] Compared with the prior art, the beneficial effects of the present application are: by setting the indexing turntable and the plurality of pipe interfaces, the air suction pipeline is installed on the pipe interface, the air suction pipeline is placed at different work site positions respectively, when dust removal is needed for the corresponding work site, the indexing turntable is driven to rotate by a certain degree through the rotating unit, and then the communication unit is started, so that one of the pipe interfaces is communicated with the negative pressure pipeline, so that the dust in the work site can enter the negative pressure pipeline from the pipe interface for discharge, without the need for workers to operate on site, saving time and effort, avoiding the problem of rising costs caused by frequent pipe laying, and in addition, by setting the filter screen, the discharged dust can be filtered to avoid damage to external negative pressure equipment. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is an assembly structure diagram of the present application;

[0029] Figure 2 It is an assembly structure diagram of the present application; Figure 1 It is an enlarged schematic view of the local structure at A in the present application;

[0030] Figure 3 It is an enlarged schematic view of the local structure at B in the present application; Figure 1 It is an enlarged schematic view of the local structure at B in the present application;

[0031] Figure 4 It is a structure schematic view of the connecting sleeve in the present application.

[0032] In the drawings, the components represented by each reference numeral are listed as follows:

[0033] 1-negative pressure pipeline, 2-communication bin, 3-stepping motor, 4-first gear, 5-filter screen, 6-rubber scraper, 7-sliding rod, 8-return spring, 9-rotation shaft, 10-cam, 11-fixed rod, 12-second gear, 13-transition pipe, 14-pipe interface, 15-indexing turntable, 16-stop ring, 17-roller, 18-floating ring, 19-magnetic block, 20-sliding cavity, 21-annular rack, 22-spring, 23-perforation, 24-rubber pad, 25-permanent magnet, 26-transition sleeve, 27-branch plate. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] As Figures 1-4As shown, the embodiment provides a mine dustproof system, which comprises a negative pressure pipeline 1, an indexing turntable 15, a plurality of pipe interfaces 14, a transition pipe 13, a communication unit, a rotating unit, the negative pressure pipeline 1 is communicated with an external air extraction device, the air extraction device can be an air extraction pump and the like, the air extraction pump can generate negative pressure in the negative pressure pipeline 1 when working, the indexing turntable 15 is rotatably sleeved on the closed end of the negative pressure pipeline 1, specifically, a bearing mounting hole is formed in the indexing turntable 15, a bearing is mounted in the bearing mounting hole, the negative pressure pipeline 1 is inserted into the bearing, and two stop rings 16 are sleeved on the negative pressure pipeline 1, the two stop rings 16 are respectively adjacent to the two end faces of the indexing turntable 15, the outer diameter of the stop ring 16 is greater than the outer diameter of the outer ring of the bearing, the two stop rings 16 can axially limit the bearing, in addition, the negative pressure pipeline can rotate on the bearing, so that the indexing turntable 15 is rotatably sleeved on the negative pressure pipeline, the plurality of pipe interfaces 14 are arranged on the indexing turntable 15 with the negative pressure pipeline 1 as the axis and are arrayed, a suction pipeline is mounted on the pipe interface 14, the suction pipelines connected to the plurality of pipe interfaces 14 are respectively laid in a plurality of work sites, so that each work site can be dusted, the indexing turntable 15 is provided with a communication hole corresponding to the pipe interface 14, the transition pipe 13 is fixedly connected to the negative pressure pipeline 1 and is communicated with the inside of the negative pressure pipeline 1, the indexing turntable 15 is coaxially sleeved with an annular rack 21, a support is arranged on the negative pressure pipeline 1, a stepping motor 3 is mounted on the support in a screwing mode, a first gear 4 is sleeved on the motor shaft of the stepping motor 3, the first gear 4 is in meshing transmission with the annular rack 21, a connecting sleeve 28 is arranged in the communication hole, the connecting sleeve 28 can freely slide along the axial direction of the communication hole, a magnetic guide block 19 is fixedly connected to the section of the connecting sleeve 28 penetrating into the communication hole, the material of the magnetic guide block 19 is made of any one of iron, cobalt and nickel, a through hole 23 penetrating through the magnetic guide block 19 is formed in the connecting sleeve 28, a sliding cavity 20 for clamping the magnetic guide block 19 and capable of freely sliding is formed in the indexing turntable 15, a support plate 27 is fixedly connected to the negative pressure pipeline 1, a permanent magnet 25 is embedded in the support plate 27 and can generate a magnetic attraction force on the magnetic guide block 19, a transition sleeve 26 is inserted into the support plate 27 and corresponds to one of the connecting sleeves 28, the outer diameter of the transition sleeve 26 matches the inner diameter of the connecting sleeve 28, so that the transition sleeve 26 can be telescopically inserted into the through hole 23 of the connecting sleeve 28, the transition sleeve 26 is communicated with the transition pipe 13, the connecting sleeve 28 is sleeved with a spring 22, the spring 22 generates an elastic abutting force on the magnetic guide block 19 in a natural state and drives the connecting sleeve 28 to retract into the communication hole, the stepping motor 3 is connected to an external power supply and started, so that the stepping motor 3 is powered by the external power supply, so that the stepping motor 3 rotates, and then drives the first gear 4 to rotate, the first gear 4 is in meshing transmission with the annular rack 21, so that the first gear 4 rotates to drive the annular rack 21 to rotate, thereby driving the indexing turntable to rotate, in addition, the gear ratio of the first gear 4 and the annular rack 21 is defined as N, the number of the pipe interfaces 14 is defined as N1, and N=N1.Thus, the first gear 4 can be set to rotate one circle, and the plurality of pipe interfaces 14 can be alternately rotated to correspond to the transition sleeve 26. After rotation, the permanent magnet generates magnetic attraction to the magnetic block, so that the magnetic block compresses the spring and moves towards the permanent magnet, thereby connecting the sleeve to the transition sleeve, i.e. the transition sleeve is inserted into the connecting sleeve, so as to realize the communication between the pipe interface and the negative pressure pipeline 1. Further, the transition sleeve 26 is provided with a rubber pad 24, so that after the connecting sleeve and the transition sleeve are inserted into the connecting sleeve, the rubber pad 24 generates a sealing effect between the connecting sleeve and the transition sleeve, so that the suction pipeline can suck the dust in the corresponding working site into the negative pressure pipeline 1. Thus, by operating the rotation angle stroke of the stepping motor 3 at the distal end, the suction pipeline on the plurality of pipe interfaces is alternately communicated with the transition sleeve, thereby realizing alternating dust removal of the plurality of working sites. Thus, when the working site is changed, the worker does not need to frequently lay the suction pipeline for dust removal. In addition, the negative pressure pipeline 1 is provided with an integrated communication bin 2, and the communication bin 2 is provided with a through groove on both sides, and the through groove is in communication with the negative pressure pipeline 1. One of the through grooves is provided with a filter screen 5, which can filter dust to avoid entering the external air suction equipment. The communication bin 2 is vertically provided with a sliding rod 7, which can freely slide up and down on the communication bin 2. One end of the sliding rod 7 penetrating into the communication bin 2 is provided with a rubber scraper 6, and the other end of the sliding rod 7 penetrating out of the communication bin 2 is rotatably connected with a roller 17, and further provided with a floating ring 18. The sliding rod 7 is provided with a return spring 8, and the both ends of the return spring 8 are elastically abutted against the floating ring 18 and the communication bin 2, respectively. The negative pressure pipeline 1 is further provided with a fixed rod 11, and the fixed rod 11 is horizontally provided with a rotating shaft 9. The both ends of the rotating shaft 9 are provided with a second gear 12 and a cam 10, respectively. The cam 10 is used in cooperation with the roller 17, and the second gear 12 is engaged with the annular rack 21. Thus, when the annular rack rotates, the second gear 12 is synchronously rotated, so that the highest point of the cam outer edge contacts the roller, and the sliding rod moves upwards, thereby enabling the rubber scraper to scrape the surface of the filter screen, so as to avoid the blockage of the surface of the filter screen and affect the permeability of the filter screen.

[0036] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Similarly, the terms "one" and "the" do not exclude the presence of more than one item, unless the context clearly indicates otherwise. Further, the use of the term "includes" as well as other forms such as "including," "includes," and "include" is intended to cover a non-exclusive inclusion, such that any process, method, article, or apparatus that includes a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. While embodiments of this application have been shown and described, it is to be understood that various modifications can be made to these embodiments without departing from the principles and spirit of the application, the scope of which is to be determined only by the appended claims and their equivalents.

Claims

1. A dust control system for use in a mine, characterized in that The utility model relates to a kind of negative pressure pipe (1), communication external exhaust equipment; Indexing turntable (15), rotation is sleeved on the closed end of the negative pressure pipe (1); Multiple pipe interfaces (14) are arranged on the indexing turntable (15) with the negative pressure pipe (1) axial as shaft, the indexing turntable (15) is equipped with through connection hole corresponding with pipe interface (14); Transition pipe (13), fixedly connected on the negative pressure pipe (1) and communicated with the inside of negative pressure pipe (1); Communication unit, for communicating the transition pipe (13) and any pipe interface (14); Rotary unit, for driving the indexing turntable (15) rotation, so that one of the pipe interface (14) rotates to correspond with transition pipe (13); The indexing turntable (15) is provided with bearing mounting hole, the bearing is installed in the bearing mounting hole, the negative pressure pipe (1) is inserted in the bearing, and the negative pressure pipe (1) is sleeved with two stop rings (16), two stop rings (16) are adjacent to the two end surfaces of indexing turntable (15) respectively, and the outer diameter of the stop ring (16) is greater than the outer diameter of the outer ring of bearing; The communication unit comprises: Connecting sleeve (28) is passed in the communication hole and can slide freely along the axial direction of communication hole; Magnetic block (19), fixedly connected on the section of connecting sleeve (28) into communication hole, the connecting sleeve (28) is provided with through hole (23) passing through magnetic block (19), and the indexing turntable (15) is provided with sliding cavity (20) for magnetic block (19) engagement and can slide freely; Support plate (27), fixedly connected on the negative pressure pipe (1); Permanent magnet (25), embedded on the support plate (27) and can generate magnetic attraction force to magnetic block (19); Transition sleeve (26) is inserted in the support plate (27) and corresponds with one of connecting sleeve (28), the outer diameter of the transition sleeve (26) matches the inner diameter of the connecting sleeve (28), so that the transition sleeve (26) can be telescopic in the through hole (23) of connecting sleeve (28), and the transition sleeve (26) is communicated with transition pipe (13); Spring (22) is sleeved on the connecting sleeve (28), and generates elastic resistance force to the magnetic block (19) in natural state, and drives the connecting sleeve (28) to retract into the communication hole. The rotary unit comprises:

2. A dust control system for use in a mine as claimed in claim 1 wherein, Annular rack (21), coaxially sleeved on the indexing turntable (15); Stepping motor (3) is arranged on the negative pressure pipe (1) by support; First gear (4) is sleeved on the motor shaft of the stepping motor (3), and the first gear (4) is engaged with annular rack (21) transmission. Rubber pad (24) is sleeved on the transition sleeve (26).

3. A dust control system for use in a mine as claimed in claim 1, characterised in that, The negative pressure pipe (1) is provided with an integrated communication bin (2), the communication bin (2) is provided with through groove on both sides, and the through groove is communicated with the negative pressure pipe (1), wherein one of the through groove is provided with filter screen (5).

4. A dust control system for use in a mine as claimed in claim 1, characterised in that, ​

Images