Dustproof spraying device for coal mine tunneling

Abstract

The utility model discloses a dustproof spraying device for coal mine tunneling, and relates to the technical field of dust prevention. The device comprises a connecting arm, a water storage pipe is sleeved and fixed on the outer wall of the connecting arm, the bottom of the water storage pipe is fixedly connected with a connecting pipe, supporting plates are fixedly connected on the peripheral side wall of the lower part of the water storage pipe in an annular array, and L-shaped pressing rods are elastically connected on the supporting plates through springs. The inserting pipe is inserted into the inserting groove, the connecting position of the inserting pipe and the inserting groove can be sealed through the sealing ring, the pressing plate is pressed and fixed to the top of the water storage pipe through the L-shaped pressing rod, and the connecting position of the pressing plate and the water storage pipe can be sealed and waterproof through the sealing gasket; double-sealing water prevention at the connecting position of the water storage pipe and the dustproof spray head is achieved, water resource loss caused by water leakage at the connecting position of the water storage pipe and the dustproof spray head can be effectively avoided, an arc-shaped clamping groove is formed in the top of a pressing plate, and through cooperation of an L-shaped pressing rod and a spring, personnel can conveniently and rapidly mount and dismount the dustproof spray head.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dust prevention technical field, especially a kind of dust spray device for coal mine tunneling. BACKGROUND

[0002] Coal mine is the area that human extracts coal resources in coal-rich mining area, and it is generally divided into underground coal mine and open coal mine.At present, when tunneling in coal mine, a large amount of dust is generated, and fine dust floating in the air is harmful to human body, and it is one of the pathogenic factors of pneumoconiosis, so dust removal device is needed to purify air when tunneling in coal mine, and the existing dust removal device mainly sprays water mist to remove dust.By searching, the patent with application number 202321094804.3 discloses a dust spray device for coal mine tunneling, relating to dust prevention technical field.It includes connecting arm, the connecting arm, the connecting arm is provided with water storage pipe for guiding water flow movement, the water storage pipe is provided with spray assembly for blocking dust, the spray assembly includes fixed box and connecting block, the outer side of fixed box and connecting block is provided with block for forming new water curtain to block dust, the spray assembly is provided with limiting piece for fixing, the water storage pipe is connected with connecting arm, and the cross section contour of water storage pipe and connecting arm is same.

[0003] However, in the actual use process, the applicant finds that the connecting piece at the bottom of the spray assembly is connected with the L-shaped pipe, and only the connecting piece is fixed by the limiting piece, which is convenient for disassembly, but the connecting part lacks sealing structure, so that the connecting part of the connecting piece and the L-shaped pipe will leak, which will cause water resource loss, therefore, we propose a dust spray device for coal mine tunneling. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model discloses a dust spray device for coal mine tunneling, including connecting arm, the connecting arm outer wall is provided with water storage pipe and is fixed in sleeve joint, the bottom of water storage pipe is fixedly connected with connecting pipe, the circumferential side wall of water storage pipe lower part is fixedly connected with support plate and is arranged in ring array, L-shaped pressure bar is elastically connected on the support plate through spring, the top of water storage pipe is provided with dustproof spray head and is arranged in ring array, the dustproof spray head is fixed on the top of water storage pipe by L-shaped pressure bar, the dustproof spray head includes spout, the upper end of spout is fixedly connected with arc-shaped spout pipe, the top of arc-shaped spout pipe is uniformly fixedly provided with atomizing nozzle, the spout pipe below arc-shaped spout pipe is fixedly connected with pressing plate and is arranged in sleeve joint, the bottom of pressing plate is fixedly connected with sealing gasket, the spout pipe below pressing plate is sleeved with sealing ring, the lower end of spout is inserted into the insertion slot, which is arranged in ring array on the top of connecting arm, and the sealing gasket is abutted between water storage pipe and pressing plate.

[0006] Preferably, the top of the pressing plate on the two sides of the insertion tube is symmetrically provided with an arc-shaped clamping groove.

[0007] Preferably, two L-shaped pressing rods are symmetrically movably arranged on the support plate, the upper end of each of the two L-shaped pressing rods is clamped in the arc-shaped clamping groove on the pressing plate.

[0008] Preferably, the lower end of the L-shaped pressing rod is fixedly provided with a circular plate, the spring is sleeved on the L-shaped pressing rod, the upper end of the spring is fixed to the bottom of the support plate, and the lower end of the spring is fixed to the top of the circular plate.

[0009] Preferably, the end of the connecting pipe away from the water storage pipe is connected with an external water supply device.

[0010] Preferably, the arc-shaped spray pipe is uniformly provided with a plurality of atomizing nozzles at the top.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a dustproof spraying device for coal mine tunneling, through inserting the insertion tube into the insertion slot, the connection between the insertion tube and the insertion slot can be sealed by the sealing ring, the pressing plate can be tightly fixed on the top of the water storage pipe by the L-shaped pressing rod, the connection between the pressing plate and the water storage pipe can be sealed and waterproofed by the sealing gasket, so that double sealing and waterproofing of the connection between the water storage pipe and the dustproof spray head are realized, water loss caused by the connection between the water storage pipe and the dustproof spray head can be effectively avoided, the upper end of the L-shaped pressing rod is moved out of the arc-shaped clamping groove by pushing the L-shaped pressing rod upwards, and the upper end of the L-shaped pressing rod is rotated to one side, so that the dustproof spray head can be detached from the top of the water storage pipe for maintenance, the lower end of the insertion tube is inserted into the insertion slot, the circular plate is pushed upwards to drive the L-shaped pressing rod to move upwards, the spring is compressed, the L-shaped pressing rod is rotated, the upper end of the L-shaped pressing rod is moved to the top of the arc-shaped clamping groove, then the L-shaped pressing rod is loosened, the L-shaped pressing rod is reset downwards under the elastic force of the spring, the upper end of the L-shaped pressing rod is clamped in the arc-shaped clamping groove, the pressing plate can be tightly fixed on the top of the water storage pipe by the two L-shaped pressing rods, and the dustproof spray head can be quickly fixed on the top of the water storage pipe, so that personnel can quickly disassemble and assemble the dustproof spray head. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0014] Fig. 1The utility model discloses a dustproof spraying device for coal mine tunneling.

[0015] Fig. 2 The utility model discloses a dustproof spraying device for coal mine tunneling dismantles dustproof shower head's structure diagram after.

[0016] Fig. 3 The utility model discloses a dustproof spraying device for coal mine tunneling dismantles dustproof shower head's structure diagram after.

[0017] In the drawing, the component list that each sign represents is as follows:

[0018] 1, connecting arm, 2, water storage pipe, 21, insertion slot, 3, dustproof shower head, 31, insertion pipe, 32, arc-shaped spray pipe, 321, atomizing nozzle, 33, pressing plate, 331, arc-shaped clamping groove, 34, sealing gasket, 35, sealing ring, 4, connecting pipe, 5, support plate, 6, L-shaped pressing rod, 61, round plate, 7, spring. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0021] The utility model provides a dustproof spraying device for coal mine tunneling, including connecting arm 1, connecting arm 1 is the structure of coal mine tunneling machine, is prior art, here does not make too much description, the outer wall of connecting arm 1 is sleeved and is fixed with water storage pipe 2, the bottom of water storage pipe 2 is fixedly connected with connecting pipe 4, and the one end of connecting pipe 4 away from water storage pipe 2 is connected with the water supply equipment outside, and the circumferential wall of the lower part of water storage pipe 2 is fixedly connected with support plate 5 in annular array, and L-shaped pressure rod 6 is elastically connected on support plate 5 through spring 7, and the top of water storage pipe 2 is provided with dustproof spray head 3 in annular array, and dustproof spray head 3 is fixedly connected on the top of water storage pipe 2 by L-shaped pressure rod 6, and dustproof spray head 3 includes spout 31, and the upper end of spout 31 is fixedly connected with arc-shaped spray pipe 32, and the top of arc-shaped spray pipe 32 is uniformly fixed with atomizing nozzle 321, and the top of arc-shaped spray pipe 32 is uniformly provided with a plurality of atomizing nozzles 321, and the water mist surface of all atomizing nozzles 321 atomizing spray is jointly enclosed into a closed dustproof water mist cover, can effectively spray dustproof to the dust generated in the process of coal mine tunneling, and the spout 31 below arc-shaped spray pipe 32 is sleeved and fixed with pressing plate 33, and the bottom of pressing plate 33 is fixedly connected with sealing gasket 34, and the spout 31 below pressing plate 33 is sleeved with sealing ring 35, and the lower end of spout 31 is inserted into the plug groove 21 that is arranged in the top of connecting arm 1 in annular array, and sealing gasket 34 is abutted between water storage pipe 2 and pressing plate 33, by inserting spout 31 into plug groove 21, can seal the connecting place of spout 31 and plug groove 21 through sealing ring 35, and the connecting place of pressing plate 33 and water storage pipe 2 can be sealed and waterproof through sealing gasket 34 by L-shaped pressure rod 6 tightly fixed on the top of water storage pipe 2, to realize the double sealing and waterproof of the connecting place of water storage pipe 2 and dustproof spray head 3, can effectively avoid the water loss of the connecting place of water storage pipe 2 and dustproof spray head 3, and when using, the water in connecting pipe 4 can be transported to water storage pipe 2 through the water supply equipment outside, and is transported to spout 31 and arc-shaped spray pipe 32 through water storage pipe 2, and is finally atomized and sprayed out through atomizing nozzle 321, and the water mist of all atomizing nozzles 321 atomizing spray can jointly enclose into a closed dustproof water mist cover, to spray dustproof to the dust generated in the process of coal mine tunneling.

[0022] The top of the pressing plate 33 on both sides of the insertion tube 31 is symmetrically provided with an arc-shaped clamping groove 331, and the support plate 5 is symmetrically and movably provided with two L-shaped pressing rods 6, the upper ends of the two L-shaped pressing rods 6 are clamped in the two arc-shaped clamping grooves 331 on the pressing plate 33 respectively, the lower end of the L-shaped pressing rod 6 is fixedly provided with a circular plate 61, a spring 7 is sleeved on the L-shaped pressing rod 6, the upper end of the spring 7 is fixed to the bottom of the support plate 5, and the lower end of the spring 7 is fixed to the top of the circular plate 61, the L-shaped pressing rod 6 is pushed upward to move the upper end of the L-shaped pressing rod 6 out of the arc-shaped clamping groove 331, and the upper end of the L-shaped pressing rod 6 is rotated to one side, so that the dustproof nozzle 3 can be detached from the top of the water storage pipe 2 for maintenance, the lower end of the insertion tube 31 is inserted into the insertion slot 21, and the circular plate 61 is pushed upward to drive the L-shaped pressing rod 6 to move upward, the spring 7 is compressed, and the L-shaped pressing rod 6 is rotated, so that the upper end of the L-shaped pressing rod 6 is moved to the top of the arc-shaped clamping groove 331, then the L-shaped pressing rod 6 is loosened, and the L-shaped pressing rod 6 is driven downward by the elastic force of the spring 7, so that the upper end of the L-shaped pressing rod 6 is clamped in the arc-shaped clamping groove 331, and the pressing plate 33 can be tightly fixed on the top of the water storage pipe 2 by the two L-shaped pressing rods 6, so that the dustproof nozzle 3 is quickly fixed on the top of the water storage pipe 2, and the dustproof nozzle 3 is convenient to disassemble and assemble, when the dustproof nozzle 3 needs to be disassembled and maintained, the circular plate 61 is manually pushed upward to drive the L-shaped pressing rod 6 to move upward, so that the upper end of the L-shaped pressing rod 6 is moved out of the arc-shaped clamping groove 331, then the upper end of the L-shaped pressing rod 6 is moved away from above the pressing plate 33, so that the dustproof nozzle 3 can be detached from the top of the water storage pipe 2, when the dustproof nozzle 3 needs to be installed, the lower end of the insertion tube 31 is inserted into the insertion slot 21, then the circular plate 61 is manually pushed upward to drive the L-shaped pressing rod 6 to move upward, in this process, the circular plate 61 can compress the spring 7, then the upper end of the L-shaped pressing rod 6 is moved to the top of the arc-shaped clamping groove 331, and finally the L-shaped pressing rod 6 is loosened, at this time, under the action of the elastic force of the spring 7, the circular plate 61 and the L-shaped pressing rod 6 move downward together, so that the upper end of the L-shaped pressing rod 6 is clamped into the arc-shaped clamping groove 331, and the pressing plate 33 can be tightly fixed on the top of the water storage pipe 2 by the two L-shaped pressing rods 6, so that the sealing gasket 34 abuts between the water storage pipe 2 and the pressing plate 33, and the sealing installation of the dustproof nozzle 3 is realized.

[0023] Working principle: in use, water is supplied to the connecting pipe 4 through an external water supply device, the water entering the connecting pipe 4 can be transported to the water storage pipe 2, and then transported to the insertion pipe 31 and the arc-shaped spray pipe 32 through the water storage pipe 2, and finally sprayed out through the atomizing nozzles 321, all the atomizing nozzles 321 can jointly form a closed dustproof water mist cover for spraying dust generated in the coal mine tunneling process, when it is necessary to disassemble and maintain the dustproof spray head 3, the circular plate 61 can be manually pushed upwards to drive the L-shaped pressing rod 6 to move upwards, so that the upper end of the L-shaped pressing rod 6 moves out of the arc-shaped clamping groove 331, then the upper end of the L-shaped pressing rod 6 is moved away from above the pressing plate 33, and the dustproof spray head 3 can be disassembled from the top of the water storage pipe 2, when it is necessary to install the dustproof spray head 3, the lower end of the insertion pipe 31 can be inserted into the insertion slot 21, then the circular plate 61 can be manually pushed upwards to drive the L-shaped pressing rod 6 to move upwards, in this process, the circular plate 61 can compress the spring 7, then the upper end of the L-shaped pressing rod 6 is moved to the upper side of the arc-shaped clamping groove 331, and finally the L-shaped pressing rod 6 is released, at this time, under the action of the elastic force of the spring 7, the circular plate 61 can be driven to move downwards together with the L-shaped pressing rod 6, so that the upper end of the L-shaped pressing rod 6 is clamped into the arc-shaped clamping groove 331, and the pressing plate 33 can be tightly fixed on the top of the water storage pipe 2 through the two L-shaped pressing rods 6, so that the sealing gasket 34 abuts between the water storage pipe 2 and the pressing plate 33, and the sealing installation of the dustproof spray head 3 can be realized.

[0024] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification of the technical solutions described in the foregoing embodiments, and equivalent replacement of part of the technical features, all belong to the protection scope of the present application.

Claims

1. A dust suppression spray device for coal mine tunneling, characterized in that: The system includes a connecting arm (1), on which a water storage pipe (2) is sleeved and fixed. A connecting pipe (4) is fixedly connected to the bottom of the water storage pipe (2). A support plate (5) is fixedly connected in a ring array on the lower peripheral wall of the water storage pipe (2). An L-shaped pressure rod (6) is elastically connected to the support plate (5) via a spring (7). A dustproof nozzle (3) is arranged in a ring array on the top of the water storage pipe (2). The dustproof nozzle (3) is pressed and fixed to the top of the water storage pipe (2) by the L-shaped pressure rod (6). The dustproof nozzle (3) includes an insert (31). An arc-shaped nozzle (32) is fixedly connected to the upper end of (31). An atomizing nozzle (321) is fixedly installed on the top of the arc-shaped nozzle (32). A pressure plate (33) is sleeved and fixed on the insertion tube (31) below the arc-shaped nozzle (32). A sealing gasket (34) is fixedly connected to the bottom of the pressure plate (33). A sealing ring (35) is sleeved on the insertion tube (31) below the pressure plate (33). The lower end of the insertion tube (31) is inserted into the slot (21) opened in a ring array at the top of the connecting arm (1). The sealing gasket (34) abuts against the water storage pipe (2) and the pressure plate (33).

2. The dust suppression spray device for coal mine tunneling according to claim 1, characterized in that, The top of the pressure plates (33) on both sides of the insertion tube (31) are symmetrically provided with arc-shaped slots (331).

3. A dust suppression spray device for coal mine tunneling according to claim 2, characterized in that, Two L-shaped pressure rods (6) are symmetrically and movably arranged on the support plate (5), and the upper ends of the two L-shaped pressure rods (6) are respectively locked in the two arc-shaped slots (331) on the pressure plate (33).

4. A dust suppression spray device for coal mine tunneling according to claim 3, characterized in that, The lower end of the L-shaped pressure rod (6) is fixedly provided with a circular plate (61), the spring (7) is sleeved on the L-shaped pressure rod (6), the upper end of the spring (7) is fixed to the bottom of the support plate (5), and the lower end of the spring (7) is fixed to the top of the circular plate (61).

5. A dust suppression spray device for coal mine tunneling according to claim 1, characterized in that, The end of the connecting pipe (4) away from the water storage pipe (2) is connected to an external water supply device.

6. A dust suppression spray device for coal mine tunneling according to claim 1, characterized in that, The top of the arc-shaped nozzle (32) has several atomizing nozzles (321) evenly arranged.

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