Spray dust suppression device for fast excavation equipment transportation system

Abstract

The utility model discloses a spray dust reduction device for a fast excavation equipment transportation system, including a water inlet pipe, a stop valve fixedly installed at the output end of the water inlet pipe, and a connecting pipe fixedly connected to the output end of the stop valve, and relates to the technical field of semi-coal and rock mining. The utility model greatly reduces and suppresses the coal dust and rock dust generated by the excavation and transportation and transfer process of the excavation and anchoring machine by arranging a spray dust reduction structure on the transportation chute of the excavation and anchoring machine and the receiving hopper of the anchoring machine, and reduces the occupational health hazards to the workers during production. By arranging a protective structure on the surface of the water nozzle, when spray dust reduction is not needed, the water pressure inside the water outlet pipe is reduced. Due to the elasticity of the spring, the movable structure and the baffle are driven to slide through the connecting rod, so that the surface of the water nozzle can be shielded and protected, which can effectively avoid pollution and damage to the surface of the water nozzle, extend the service life of the equipment and reduce maintenance costs.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-coal and rock mining, in particular to a spray dust reduction device for a fast excavation equipment transportation system. Background Art

[0002] Semi-coal rock tunnel excavation and mining operations are a type of coal mining work method, in which semi-coal rock tunnel boring machines and other equipment are used to carry out mining operations in coal rock and semi-coal rock strata. During the excavation process, the rock dust generated by the excavation of the equipment is relatively large, which seriously affects the health of the workers. The traditional spray structure cannot achieve an effective dust reduction effect. At the same time, most of the nozzles used for spray dust reduction in the existing technology do not have a self-protection structure. Due to the large amount of dust in the mining environment, dust is easily accumulated on the surface of the nozzle, which can easily cause the spray hole to be blocked, affecting normal use. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model provides a spray dust reduction device for a fast excavation equipment transportation system, which solves the problem that the traditional spray structure cannot achieve effective dust reduction effect during the excavation process of semi-coal and rock tunnel excavation and mining operations. At the same time, most of the nozzles used for spray dust reduction in the prior art do not have a self-protection structure. Due to the large amount of dust in the mining environment, dust is easily accumulated on the surface of the nozzle, which easily causes the spray hole to be blocked, affecting normal use.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a spray dust suppression device for a fast excavation equipment transportation system, comprising a water inlet pipe, a stop valve is fixedly installed on the output end of the water inlet pipe, a connecting pipe is fixedly connected to the output end of the stop valve, a water pipe is fixedly connected to the end of the connecting pipe away from the stop valve, a water outlet pipe is fixedly connected to the surface of the water outlet pipe at equal distances, a fixed plate is fixedly connected to the surface of the water outlet pipe away from the water outlet pipe, a water nozzle is fixedly installed inside the fixed plate, a baffle is slidably connected to the surface of the fixed plate, a movable structure is fixedly connected to the surface of the baffle, and a sliding component is fixedly installed inside the fixed plate;

[0005] The sliding assembly includes an outer cylinder fixedly connected to the inside of a fixed plate, the inner sealing and sliding connection of the outer cylinder is a sealing plate, the surface of the sealing plate is fixedly connected to a connecting rod, the outer surface of the connecting rod is movably sleeved with a spring, the surface of the outer cylinder is fixedly connected to a connecting pipe, and one end of the connecting pipe away from the outer cylinder is fixedly connected to the surface of the water outlet pipe.

[0006] Preferably, the movable structure includes a slider slidably connected to the inside of the fixed plate, the surface of the slider is fixedly connected to a connecting block, the side of the slider is fixedly connected to a protrusion, the rear surface of the slider is fixedly connected to a connecting rod, and the surface of the connecting block away from the slider is fixedly connected to the surface of the baffle.

[0007] Preferably, the outer surface of the protrusion is slidably connected to the inside of the fixing plate, and one end of the connecting block away from the sliding block extends to the outside of the fixing plate.

[0008] Preferably, one end of the connecting rod away from the sealing plate is fixedly connected to the surface of the connecting rod, and a sealing ring is fixedly installed on the outer surface of the sealing plate.

[0009] Preferably, under normal conditions, the elasticity of the spring causes the sealing plate to slide toward the connecting pipe, and the interior of the outer cylinder is connected to the interior of the water outlet pipe through the connecting pipe.

[0010] Preferably, both ends of the water pipe are sealed and fixedly sleeved with sealing sleeves.

[0011] Beneficial Effects

[0012] The utility model provides a spray dust reduction device for a fast excavation equipment transportation system. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The spray dust suppression device of the fast excavation equipment transportation system greatly reduces and suppresses the coal dust and rock dust generated by the excavator-anchor machine during the excavation of semi-coal-rock tunnels and the transportation and transfer process by setting up a spray dust suppression structure, thereby reducing the occupational health hazards to the operators during production.

[0014] 2. The spray dust suppression device of the fast excavation equipment transportation system is equipped with a protective structure on the surface of the water nozzle. When spray dust suppression is not needed, the water pressure inside the water outlet pipe is reduced. Due to the elasticity of the spring, the movable structure and the baffle are driven to slide through the connecting rod, so as to shield and protect the surface of the water nozzle, effectively avoid pollution and damage to the surface of the water nozzle, extend the service life of the equipment and reduce maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection between the water outlet pipe and the water sprinkler in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the fixing plate in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the sliding assembly in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the active structure in the utility model.

[0020] In the figure: 1, water inlet pipe; 2, stop valve; 3, connecting pipe; 4, water pipe; 41, sealing sleeve; 5, water outlet pipe; 6, fixing plate; 7, water nozzle; 8, baffle; 9, movable structure; 91, slider; 92, connecting block; 93, bump; 94, connecting rod; 10, sliding assembly; 101, outer cylinder; 102, sealing plate; 103, connecting rod; 104, spring; 105, connecting pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 The utility model provides a technical solution: a spray dust suppression device for a fast excavation equipment transportation system, comprising a water inlet pipe 1, a stop valve 2 is fixedly installed on the output end of the water inlet pipe 1, a connecting pipe 3 is fixedly connected to the output end of the stop valve 2, an end of the connecting pipe 3 away from the stop valve 2 is fixedly connected to a water pipe 4, both ends of the water pipe 4 are sealed and fixedly sleeved with sealing sleeves 41, a water outlet pipe 5 is equidistantly fixedly connected to the surface of the water pipe 4, a fixed plate 6 is fixedly connected to the surface of the water outlet pipe 5 away from the water pipe 4, a water nozzle 7 is fixedly installed inside the fixed plate 6, a baffle 8 is slidably connected to the surface of the fixed plate 6, a movable structure 9 is fixedly connected to the surface of the baffle 8, and a sliding component 10 is fixedly installed inside the fixed plate 6. By setting the spray dust suppression structure, the coal dust and rock dust generated by the excavator and anchor machine during the semi-coal-rock tunnel excavation process and the transportation and transfer process are greatly reduced and suppressed, and the occupational health hazards to the operators during the production period are reduced.

[0023] The sliding assembly 10 includes an outer cylinder 101 fixedly connected to the inside of the fixed plate 6, the inner sealing sliding connection of the outer cylinder 101 is a sealing plate 102, the surface of the sealing plate 102 is fixedly connected to a connecting rod 103, the end of the connecting rod 103 away from the sealing plate 102 is fixedly connected to the surface of the connecting rod 94, the outer surface of the sealing plate 102 is fixedly installed with a sealing ring, the outer surface of the connecting rod 103 is movably sleeved with a spring 104, the surface of the outer cylinder 101 is fixedly connected to a connecting pipe 105, the interior of the outer cylinder 101 is connected to the interior of the water outlet pipe 5 through the connecting pipe 105, under normal conditions, the elasticity of the spring 104 causes the sealing plate 102 to slide in a direction close to the connecting pipe 105, and the end of the connecting pipe 105 away from the outer cylinder 101 is fixedly connected to the surface of the water outlet pipe 5, and the movable structure 9 includes a sliding connection A slider 91 inside the fixed plate 6 has a connecting block 92 fixedly connected to the surface of the slider 91, and one end of the connecting block 92 away from the slider 91 extends to the outside of the fixed plate 6, a protrusion 93 is fixedly connected to the side of the slider 91, and the outer surface of the protrusion 93 is slidably connected to the inside of the fixed plate 6, and a connecting rod 94 is fixedly connected to the rear surface of the slider 91, and the surface of the connecting block 92 away from the slider 91 is fixedly connected to the surface of the baffle 8. By setting a protective structure on the surface of the water nozzle 7, when spray dust reduction is not needed, the water pressure inside the water outlet pipe 5 is reduced. Due to the elasticity of the spring 104, the movable structure 9 and the baffle 8 are driven to slide through the connecting rod 103, so as to shield and protect the surface of the water nozzle 7, effectively avoid pollution and damage to the surface of the water nozzle 7, extend the service life of the equipment and reduce maintenance costs.

[0024] Before use, the whole structure is installed on the transport chute of the anchor mining machine and the receiving hopper of the anchor transfer machine. The external water inlet pipe 1 is connected to the cooling water pipeline of the fuselage body. When in use, the high-pressure water enters the water pipe 4 through the water inlet pipe 1 and the connecting pipe 3 by opening the stop valve 2, and then enters the water nozzle 7 through the water outlet pipe 5. At this time, the water pressure inside the water outlet pipe 5 increases, and enters the outer tube 101 through the connecting pipe 105, and drives the connecting rod 103 to slide through the sealing plate 102. The connecting rod 103 drives the slider 91 and the connecting block 92 to slide through the connecting rod 94, and the connecting block 92 drives the baffle 8 slides and exposes the water nozzle 7, and high-pressure water is sprayed out through the water nozzle 7, which greatly reduces and suppresses the coal dust and rock dust generated by the anchor digging machine during the semi-coal and rock tunnel excavation process and the transportation and transfer process, and reduces the occupational health hazards to the operators during production. When spray dust reduction is not needed, the water pressure inside the water outlet pipe 5 is reduced. Due to the elasticity of the spring 104, the movable structure 9 and the baffle 8 are driven to slide through the connecting rod 103, which can shield and protect the surface of the water nozzle 7, effectively avoid pollution and damage to the surface of the water nozzle 7, extend the service life of the equipment and reduce maintenance costs.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A spray dust suppression device for a fast excavation equipment transportation system, comprising a water inlet pipe (1), characterized in that: The output end of the water inlet pipe (1) is fixedly installed with a stop valve (2), the output end of the stop valve (2) is fixedly connected with a connecting pipe (3), the end of the connecting pipe (3) away from the stop valve (2) is fixedly connected with a water pipe (4), the surface of the water pipe (4) is equidistantly fixedly connected with a water outlet pipe (5), the surface of the water outlet pipe (5) away from the water pipe (4) is fixedly connected with a fixed plate (6), a water nozzle (7) is fixedly installed inside the fixed plate (6), a baffle (8) is slidably connected to the surface of the fixed plate (6), a movable structure (9) is fixedly connected to the surface of the baffle (8), and a sliding component (10) is fixedly installed inside the fixed plate (6); The sliding assembly (10) comprises an outer cylinder (101) fixedly connected to the interior of a fixed plate (6); the interior of the outer cylinder (101) is sealingly and slidably connected to a sealing plate (102); the surface of the sealing plate (102) is fixedly connected to a connecting rod (103); the outer surface of the connecting rod (103) is movably sleeved with a spring (104); the surface of the outer cylinder (101) is fixedly connected to a connecting pipe (105); and one end of the connecting pipe (105) away from the outer cylinder (101) is fixedly connected to the surface of a water outlet pipe (5).

2. The spray dust suppression device for the fast excavation equipment transportation system according to claim 1 is characterized in that: The movable structure (9) comprises a slider (91) slidably connected inside the fixed plate (6); a connecting block (92) is fixedly connected to the surface of the slider (91); a protrusion (93) is fixedly connected to the side of the slider (91); a connecting rod (94) is fixedly connected to the rear surface of the slider (91); and a surface of the connecting block (92) away from the slider (91) is fixedly connected to the surface of the baffle (8).

3. The spray dust suppression device for the fast excavation equipment transportation system according to claim 2 is characterized in that: The outer surface of the protrusion (93) is slidably connected to the inside of the fixed plate (6), and one end of the connecting block (92) away from the sliding block (91) extends to the outside of the fixed plate (6).

4. The spray dust suppression device for the fast excavation equipment transportation system according to claim 1 is characterized in that: One end of the connecting rod (103) away from the sealing plate (102) is fixedly connected to the surface of the connecting rod (94), and a sealing ring is fixedly installed on the outer surface of the sealing plate (102).

5. The spray dust suppression device for the fast excavation equipment transportation system according to claim 1 is characterized in that: Under normal conditions, the elasticity of the spring (104) causes the sealing plate (102) to slide toward the connecting pipe (105), and the interior of the outer cylinder (101) is connected to the interior of the water outlet pipe (5) through the connecting pipe (105).

6. The spray dust suppression device for the fast excavation equipment transportation system according to claim 1 is characterized in that: Both ends of the water pipe (4) are sealed and fixedly sleeved with sealing sleeves (41).

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