A multi-directional spraying device for coal mine boring machine

Abstract

The utility model discloses a multi-directional spraying device for a coal mine boring machine in the technical field of coal mine boring machines, comprising a mounting plate, a water pipe body is arranged in the middle of the mounting plate, a spraying mechanism is arranged on the outer side of the water pipe body, a reversing mechanism is arranged on both the front and rear sides of the water pipe body, a transmission gear is fixedly installed on the outer wall of the water pipe body, a first half gear is arranged in front of the transmission gear, and a first motor body is arranged below the first half gear. The multi-directional spraying device for a coal mine boring machine consists of a mounting plate, a water pipe body, a spraying mechanism and a reversing mechanism. The spraying mechanism adopts a double-end guide spraying structure, which can achieve a spraying effect at both ends of the water pipe body, effectively improves the spraying efficiency of the spraying device, improves the spraying effect, and effectively avoids dust. The reversing mechanism adopts a double-end half-tooth structure, which can drive the water pipe body and the spraying mechanism to rotate back and forth, thereby driving the spraying mechanism to rotate in multiple directions, and achieving a multi-directional atomization spraying effect.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine heading machines, in particular to a multi-directional spraying device for coal mine heading machines. Background Art

[0002] A coal mine roadheader is a highly efficient mechanized coal mining equipment, mainly used for tunnel development, coal seam mining and ventilation in coal mines. It integrates cutting, conveying, crushing, and coal slag removal functions, and uses hydraulic, electrical, mechanical and other technologies to achieve precise cutting and efficient mining of coal seams. A coal mine roadheader is usually composed of a cutting mechanism, a conveying mechanism, a traveling mechanism, a hydraulic system, an electrical system and other parts. The cutting mechanism is the core part, responsible for cutting the coal seam; the conveying mechanism is responsible for transporting the cut coal to the designated location; the traveling mechanism enables the roadheader to move forward in the coal seam; the hydraulic system and the electrical system provide power and control systems for the roadheader.

[0003] The patent document with application number CN202123294636.6 discloses a multi-directional spraying device for a coal mine tunneling machine, which includes an outer shell, the outer wall of the straight pipe penetrates the outer wall of the outer shell, the front of the guide pipe is fixedly connected to a motor, the top of the bracket is fixedly connected to an arc rod, the end of the arc rod close to the gooseneck tube is fixedly connected to one side of the gooseneck tube, an arc cylinder is slidably clamped on one side of the outer wall of the arc rod, the back side of the arc cylinder is fixedly connected to the back side of the inner wall of the outer shell, and the ends of the gooseneck tube and the straight pipe are connected to nozzles. The utility model relates to the technical field of coal mine heading machine equipment. Through the cooperation between a straight pipe, a gooseneck pipe and an arc rod, the spraying position is flexibly changed, and the user can also control the switch of three ball valves according to actual needs, thereby avoiding the waste of water resources and solving the problem that the relative position of the nozzle cannot be changed according to the use needs of the existing device, which affects the final dust removal effect and wastes the use of water. The work efficiency is improved. Based on the search of the above-mentioned patent and in combination with the multi-directional spraying device for coal mine heading machine in the prior art, it is found that when the multi-directional spraying device for coal mine heading machine is used, a large number of spraying devices are required for dust control and cooling. The existing spraying device has the problem of being unable to spray over a large range and in multiple directions, which not only affects the spraying effect, but also increases the difficulty of equipment maintenance. The multi-directional spraying effect can be achieved by installing a large number of spraying ports, but adding a large number of spraying ports will increase the cost of the device and the later use cost. Utility Model Content

[0004] The utility model aims to provide a multi-directional spraying device for a coal mine heading machine to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-directional spraying device for a coal mine tunneling machine, comprising a mounting plate, a water pipe body is arranged in the middle of the mounting plate, a spraying mechanism is arranged on the outside of the water pipe body, and a reversing mechanism is arranged on both the front and rear sides of the water pipe body, the reversing mechanism comprises a first motor body, a first half gear, a second motor body, a second half gear and a transmission gear, a transmission gear is fixedly installed on the outer wall of the water pipe body, a first half gear is arranged in front of the transmission gear, a first motor body is arranged below the first half gear, a second half gear is arranged behind the transmission gear, and a second motor body is arranged below the second half gear.

[0006] Optionally, the transmission end of the first motor body is fixedly connected to the first half gear, and the transmission end of the second motor body is fixedly connected to the second half gear.

[0007] Optionally, the spraying mechanism includes a first water injection pipe, a water inlet pipe, a threaded seat, a water spray trough, a thin water pipe, a nut, a pipe bracket and a second water injection pipe. The water inlet pipe is fixedly installed on the outer wall of the water pipe body, and the water inlet pipe is inserted into the interior of the water pipe body.

[0008] Optionally, a first water injection pipe is arranged on the left side of the water pipe body, and a second water injection pipe is arranged on the right side of the water pipe body.

[0009] Optionally, a threaded seat is fixedly installed at one end of the first water injection pipe away from the water inlet pipe, and a water spray trough and a thin water pipe are arranged on the inner side of the threaded seat.

[0010] Optionally, a plurality of groups of the thin water pipes are plugged into a threaded seat, an outward thread of the threaded seat is connected with a nut, and a notch is provided in the middle of the nut.

[0011] Optionally, pipe supports are fixedly installed at both upper and lower ends of the first water injection pipe and the second water injection pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a spraying mechanism is provided, which adopts a unique double-end guide design to achieve a spraying effect at both ends of the water pipe body, greatly improving the spraying efficiency and coverage range, and reducing the number of spraying ports, thereby reducing both the initial cost of the device and the subsequent maintenance cost; the double-end guide enables the spraying mechanism to spray at both ends of the water pipe body, effectively improving the spraying efficiency and coverage range, and the spraying mechanism with a simplified structure is easier to maintain, thereby improving the operating stability of the equipment.

[0014] 2. In the utility model, a reversing mechanism is provided. The reversing mechanism adopts a double-end half-tooth structure, which can drive the water pipe body and the spraying mechanism to realize reciprocating and multi-directional rotation, thereby realizing a large-scale multi-directional spraying; through the synchronous start-up of the first motor body and the second motor body, the water pipe body and the spraying mechanism are effectively driven to perform complex multi-directional movements; the double-end half-tooth structure enables the reversing mechanism to drive the water pipe body and the spraying mechanism to rotate in multiple directions, thereby effectively solving the problem that the existing equipment cannot spray in a large range and in multiple directions, and through the control of the reversing mechanism, a multi-directional atomization spraying effect is realized, which greatly improves the spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model in a three-dimensional front view;

[0016] Figure 2 It is a schematic structural diagram of the utility model in a plane front view;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model from a plan view;

[0018] Figure 4 It is a schematic diagram of the structure of the utility model in a three-dimensional top view;

[0019] Figure 5 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 6 It is a schematic diagram of the structure of the utility model in a three-dimensional cutaway view;

[0021] Figure 7 For this utility model Figure 6 Schematic diagram of the three-dimensional enlarged structure at point A in the middle.

[0022] In the figure: 1. mounting plate; 2. water pipe body; 3. spraying mechanism; 301. first water injection pipe; 302. water inlet pipe; 303. threaded seat; 304. water spray trough; 305. fine water pipe; 306. nut; 307. pipe bracket; 308. second water injection pipe; 4. reversing mechanism; 401. first motor body; 402. first half gear; 403. second motor body; 404. second half gear; 405. transmission gear. DETAILED DESCRIPTION

[0023] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] 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.

[0026] See also Figures 1 to 7In an embodiment of the utility model, a multi-directional spraying device for a coal mine boring machine includes a mounting plate 1, a water pipe body 2 is arranged in the middle of the mounting plate 1, a spraying mechanism 3 is arranged on the outside of the water pipe body 2, and a reversing mechanism 4 is arranged on both the front and rear sides of the water pipe body 2. The reversing mechanism 4 includes a first motor body 401, a first half gear 402, a second motor body 403, a second half gear 404 and a transmission gear 405. The transmission gear 405 is fixedly installed on the outer wall of the water pipe body 2, the first half gear 402 is arranged in front of the transmission gear 405, the first motor body 401 is arranged below the first half gear 402, the second half gear 404 is arranged behind the transmission gear 405, and the second motor body 403 is arranged below the second half gear 404. The transmission end of a motor body 401 is fixedly connected to the first half gear 402, and the transmission end of a second motor body 403 is fixedly connected to the second half gear 404; the first motor body 401 drives the first half gear 402 to realize the in-situ rotation of the water pipe body 2 and the spraying mechanism 3. Through the drive of the first motor body 401, the water pipe body 2 and the spraying mechanism 3 can be rotated in-situ to realize multi-directional spraying, and the first half gear 402 is engaged with the transmission gear 405; the second motor body 403 drives the second half gear 404 to realize the opposite rotation of the water pipe body 2 and the spraying mechanism 3. Through the drive of the second motor body 403, the water pipe body 2 and the spraying mechanism 3 can be rotated oppositely to realize multi-directional spraying, and the second half gear 404 is engaged with the transmission gear 405;

[0027] The spraying mechanism 3 includes a first water injection pipe 301, a water inlet pipe 302, a threaded seat 303, a water spray trough 304, a thin water pipe 305, a nut 306, a pipe bracket 307 and a second water injection pipe 308. The water inlet pipe 302 is fixedly installed on the outer wall of the water pipe body 2, and the water inlet pipe 302 is plugged into the inside of the water pipe body 2. The first water injection pipe 301 is arranged on the left side of the water pipe body 2, and the second water injection pipe 308 is arranged on the right side of the water pipe body 2. The end of the first water injection pipe 301 away from the water inlet pipe 302 is fixedly installed with a threaded seat 303, and the inner side of the threaded seat 303 is provided with a water spray trough 304 and a thin water pipe 305. Multiple groups of thin water pipes 305 are plugged into the threaded seat 303. The outer thread of the threaded seat 303 is connected with a nut 306, and a notch is opened in the middle of the nut 306. Pipe supports 307 are fixedly installed on both upper and lower ends of the second water injection pipe 308; the first water injection pipe 301 is adapted to the water pipe body 2 to ensure smooth and unobstructed water flow, and the second water injection pipe 308 is designed to be parallel to the first water injection pipe 301 to provide dual water supply guarantees; the water inlet pipe 302 is connected to the first water injection pipe 301 to facilitate the introduction of water flow, and to facilitate the introduction of water from the water delivery end of the coal mine tunneling machine to achieve a convenient and fast water adding process, the water spray trough 304 is a porous structure so that water can be evenly distributed, and the thin water pipe 305 enables water to flow out of the water spray trough 304 smoothly and be atomized, thereby improving the spraying effect, and the nut 306 has a notch so that water can be atomized and sprayed thereon. Under the action of water pressure, the water can be atomized when hitting the nut 306, and sprayed through the notch to achieve an atomized spraying effect.

[0028] The working principle of the utility model is as follows: the multi-directional spraying device for a coal mine boring machine is composed of a mounting plate 1, a water pipe body 2, a spraying mechanism 3 and a reversing mechanism 4. Before using the multi-directional spraying device for a coal mine boring machine, it is necessary to pre-connect the water pipe body 2 with the water supply end of the coal mine boring machine, and then connect the first motor body 401 and the second motor body 403 to electricity and the control terminal. When using the multi-directional spraying device for a coal mine boring machine, the water supply end of the coal mine boring machine is enabled to fill the water pipe body 2 with water, and the water enters the first water injection pipe 301 and the second water injection pipe 308 through the water inlet pipe 302, and then is sprayed to the nut 306 through a plurality of water spraying troughs 304 and a thin water pipe 305. Under the effect of water pressure, the water will be atomized when hitting the nut 306, and then sprayed out through the notch of the nut 306 to achieve an atomized spraying effect. At this time, the reversing mechanism 4 is enabled again to synchronously start the first motor body 401 and the second The motor body 403, the first motor body 401 drives the first half gear 402 to rotate, drives the transmission gear 405 to rotate, and then drives the water pipe body 2 and the spraying mechanism 3 to rotate, and then the second motor body 403 drives the second half gear 404 to rotate, drives the transmission gear 405 to rotate, and then drives the water pipe body 2 and the spraying mechanism 3 to rotate. According to the above operation process, the effect of reciprocating rotation of the water pipe body 2 and the spraying mechanism 3 can be achieved, and the effect of multi-directional atomization spraying can be achieved; in summary, the spraying mechanism 3 adopts a double-end guide spraying structure, which can achieve a spraying effect at both ends of the water pipe body 2, effectively improves the spraying efficiency of the spraying device, improves the spraying effect, and effectively avoids dust. The reversing mechanism 4 adopts a double-end half-tooth structure, which can drive the water pipe body 2 and the spraying mechanism 3 to reciprocate, and then drive the spraying mechanism 3 to rotate in multiple directions, and achieve a multi-directional atomization spraying effect.

[0029] 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. A multi-directional spraying device for a coal mine boring machine, comprising a mounting plate (1), a water pipe body (2) being arranged in the middle of the mounting plate (1), characterized in that: A spraying mechanism (3) is arranged on the outer side of the water pipe body (2); a reversing mechanism (4) is arranged on both the front and rear sides of the water pipe body (2); the reversing mechanism (4) comprises a first motor body (401), a first half gear (402), a second motor body (403), a second half gear (404) and a transmission gear (405); a transmission gear (405) is fixedly mounted on the outer wall of the water pipe body (2); a first half gear (402) is arranged in front of the transmission gear (405); a first motor body (401) is arranged below the first half gear (402); a second half gear (404) is arranged behind the transmission gear (405); and a second motor body (403) is arranged below the second half gear (404).

2. A multi-directional spraying device for a coal mine boring machine according to claim 1, characterized in that: The transmission end of the first motor body (401) is fixedly connected to the first half gear (402), and the transmission end of the second motor body (403) is fixedly connected to the second half gear (404).

3. The multi-directional spraying device for a coal mine boring machine according to claim 1, characterized in that: The spraying mechanism (3) comprises a first water injection pipe (301), a water inlet pipe (302), a threaded seat (303), a water spray trough (304), a thin water pipe (305), a nut (306), a pipe bracket (307) and a second water injection pipe (308); the water inlet pipe (302) is fixedly mounted on the outer wall of the water pipe body (2), and the water inlet pipe (302) is plugged into the interior of the water pipe body (2).

4. The multi-directional spraying device for a coal mine boring machine according to claim 1, characterized in that: A first water injection pipeline (301) is arranged on the left side of the water pipe body (2), and a second water injection pipeline (308) is arranged on the right side of the water pipe body (2).

5. The multi-directional spraying device for a coal mine boring machine according to claim 3, characterized in that: A threaded seat (303) is fixedly mounted on one end of the first water injection pipe (301) away from the water inlet pipe (302), and a water spraying groove (304) and a thin water pipe (305) are arranged on the inner side of the threaded seat (303).

6. A multi-directional spraying device for a coal mine boring machine according to claim 5, characterized in that: A plurality of groups of the thin water pipes (305) are plugged into the threaded seat (303), the outer threads of the threaded seat (303) are connected with a nut (306), and a notch is provided in the middle of the nut (306).

7. The multi-directional spraying device for a coal mine boring machine according to claim 3, characterized in that: Pipe supports (307) are fixedly mounted on both upper and lower ends of the first water injection pipe (301) and the second water injection pipe (308).

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