Spraying dust removal device for coal mine

Abstract

The utility model discloses a coal mine spraying dust removal device which comprises a spraying head and guide pipes, the guide pipes are fixedly inserted into the two sides of the spraying head, the back face of the spraying head is fixedly connected with a fixing block through a connecting rod, the two sides of the fixing block are symmetrically and fixedly connected with fixing rods, and the surface of the fixing block is sleeved with a U-shaped clamping sleeve. Hole grooves matched with the fixing rods are oppositely formed in the two sides of the U-shaped clamping sleeve, bearings are fixedly installed in the hole grooves, and the ends, away from the fixing blocks, of the fixing rods penetrate through the bearings to be connected with movable rods. According to the utility model, the magnetic suction block is arranged to realize the quick limiting effect, the problem that the spray head is inconvenient to mount is solved, and the distance between the spray head and the second limiting plate is shortened by rotating the threaded sleeve to move on the surface of the threaded rod, so that the second limiting plate is convenient to abut against the surface of the magnetic suction block to realize fixation; and the mounting stability of the spraying head is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine spray technical field especially relates to a coal mine spray dust removal device. BACKGROUND

[0002] In the coal mine underground operation environment, dust concentration over standard is the core safety hidden danger of threatening miner's occupational health and inducing coal dust explosion accident. The spray dust removal device widely used at present generally adopts the bandage type fixing structure, and its installation mode has the following defects: first, the spray head needs to be ringed and tied with the roadway support anchor rod or pipeline through the metal hoop or nylon bandage, the high-altitude operation in the narrow roadway needs to set up the scaffold, and the single person operation needs to complete the positioning, tying, fastening and other actions at the same time, so that the average single point installation time is as long as 25-35 minutes;

[0003] Secondly, the bandage material is prone to creep relaxation under the influence of the underground humid environment, according to the field tracking data, the proportion of the spray head downward displacement exceeding 15° within 3 months after installation is as high as 42%, which directly affects the uniformity of the fog field coverage;

[0004] Thirdly, the traditional installation mode lacks the angle fine adjustment mechanism, when the spray inclination needs to be adjusted according to the mining progress, the bandage must be completely disassembled and repositioned, so that the dynamic adjustment efficiency of the dust removal system is low, and this inefficient mechanical fixing mode has become the technical bottleneck of restricting the rapid deployment and accurate control of the spray dust removal device, therefore, the coal mine spray dust removal device is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a coal mine spray dust removal device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A coal mine spray dust removal device, comprising a spray head and a conduit, the two sides of the spray head are fixedly provided with the conduit, the back surface of the spray head is fixedly connected with a fixed block through a connecting rod, and the two sides of the fixed block are fixedly connected with a fixed rod in a symmetrical mode, a U-shaped sleeve is sleeved on the surface of the fixed block, and the two sides of the U-shaped sleeve are provided with a hole slot matched with the fixed rod, a bearing is fixedly installed in the hole slot, an activity rod is connected with the end of the fixed rod away from the fixed block through the bearing in a penetrating mode, and the back surface of the U-shaped sleeve is fixedly connected with a magnetic block.

[0008] Preferably, the inner wall of the U-shaped clamping sleeve is fixedly connected with a first limiting plate, a circular hole is formed in the top surface of the first limiting plate, a threaded rod is inserted into the circular hole, a second limiting plate is fixedly connected to the surface of one end of the threaded rod, and a threaded sleeve is fixedly connected to the surface of the other end of the threaded rod.

[0009] Preferably, the outer walls on both sides of the U-shaped clamping sleeve are fixedly connected with symmetrical fixing covers, limiting grooves are uniformly formed in the surface of the fixing cover in a ring shape, the surface of the movable rod is uniformly provided with a cylindrical groove in a ring shape, and a limiting pin is inserted into the cylindrical groove.

[0010] Preferably, an inner cavity is formed in the limiting pin, and a limiting rod is inserted into the inner cavity.

[0011] Preferably, a spring is inserted between the limiting rod and the limiting pin, one end of the spring is fixedly connected to the limiting rod, and the other end of the spring is fixedly connected to the inner wall of the inner cavity.

[0012] Preferably, the end of the limiting pin inserted into the limiting groove is in a semicircular shape.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The magnetic block can realize quick limiting, solve the problem of inconvenient installation of the spray head, and the threaded sleeve moves on the surface of the threaded rod to shorten the distance between the second limiting plate, so that the surface of the second limiting plate abuts against the surface of the magnetic block, the spray head is fixed, and the stability of the spray head installation is improved.

[0015] 2. The spring is inserted into the fixing cover by the elastic force of the spring, so that the movable rod is limited, the loosening of the fixing block after long-time use is solved, and the practicability of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the coal mine spray dust removal device is provided.

[0017] Figure 2 A three-dimensional structure schematic view of the coal mine spray dust removal device is provided.

[0018] Figure 3For Figure 1 The three-dimensional explosion diagram of the threaded rod and the threaded sleeve structure in the fixed cover and the limiting pin structure is shown in the figure.

[0019] Figure 4 For Figure 1 The three-dimensional explosion diagram of the threaded rod and the threaded sleeve structure in the fixed cover and the limiting pin structure is shown in the figure.

[0020] In the figure: 1, spray head; 2, conduit; 3, fixed block; 4, fixed rod; 5, fixed cover; 6, U-shaped sleeve; 7, magnetic block; 8, first limiting plate; 9, threaded rod; 10, threaded sleeve; 11, second limiting plate; 12, movable rod; 13, limiting rod; 14, spring; 15, limiting pin. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0022] Referring to Figures 1-4 A coal mine spray dust removal device, comprising a spray head 1 and a conduit 2, the spray head 1 is fixedly provided with the conduit 2 on both sides, the back of the spray head 1 is fixedly connected with a fixed block 3 through a connecting rod, and the two sides of the fixed block 3 are symmetrically fixedly connected with fixed rods 4, a U-shaped sleeve 6 is sleeved on the surface of the fixed block 3, and holes and grooves adapted to the fixed rods 4 are formed in the two sides of the U-shaped sleeve 6, bearings are fixedly installed in the holes and grooves, and a movable rod 12 is connected to the end of the fixed rod 4 away from the fixed block 3 through the bearings, and a magnetic block 7 is fixedly connected to the back of the U-shaped sleeve 6.

[0023] Further, referring to Figure 2 and Figure 3 It can be seen that the inner wall of the U-shaped sleeve 6 is fixedly connected with a first limiting plate 8, a circular hole is formed in the top surface of the first limiting plate 8, a threaded rod 9 is inserted into the circular hole, a second limiting plate 11 is fixedly sleeved on one end surface of the threaded rod 9, and a threaded sleeve 10 is sleeved on the other end surface of the threaded rod 9. In the process of use, the threaded rod 9 is manually controlled to be fixed, and the threaded sleeve 10 is rotated to move on the surface of the threaded rod 9, thereby shortening the distance between the second limiting plate 11 and the threaded sleeve 10, so as to facilitate clamping and fixing, and assisting in supporting the spray head 1.

[0024] Further, referring to Figure 2 It can be seen that the two side walls of the U-shaped sleeve 6 are symmetrically fixedly connected with fixed covers 5, limiting grooves are uniformly formed in the surface of the fixed cover 5 in a ring shape, cylindrical grooves are uniformly formed in the surface of the movable rod 12 in a ring shape, a limiting pin 15 is inserted into the inside of the cylindrical groove, the other end of the limiting pin 15 is inserted into the inside of the limiting groove, and the movable rod 12 and the fixed cover 5 are clamped through the limiting pin 15.

[0025] Further, referring to Figure 3 and Figure 4 It can be known that the inner cavity of the limiting pin 15 is internally provided with the limiting rod 13, one end of the limiting rod 13 is fixedly connected with the inside of the cylindrical slot, and the limiting pin 15 moves linearly along the surface of the limiting rod 13 in the using process.

[0026] Further, referring to Figure 4 It can be known that the spring 14 is arranged between the limiting rod 13 and the limiting pin 15, one end of the spring 14 is fixedly connected with the limiting rod 13, the other end of the spring 14 is fixedly connected with the inner wall of the inner cavity, the spring 14 can movably connect the limiting rod 13 and the limiting pin 15 in the using process, the spring 14 is contracted when the spring 14 is pressed, and the spring 14 is expanded to reset the spring 14 when the external force of the limiting pin 15 is removed, so that the limiting is realized.

[0027] Further, referring to Figure 4 It can be known that one end of the limiting pin 15 arranged in the inside of the limiting slot is a semicircular structure, the semicircular surface is in contact with the inner wall of the limiting slot when the limiting pin 15 is pressed in the using process, so that the limiting pin 15 is conveniently pushed into the inside of the cylindrical slot, the limiting and fixing are released, and the movable rod 12 is conveniently rotated.

[0028] Working principle: when the utility model is used, according to the accompanying Figure 1 , the accompanying Figure 2 , the accompanying Figure 3 and the accompanying Figure 4 When it is necessary to install the spray head 1, the staff manually arranges the spray head 1 uniformly at first, then connects the arranged spray head 1 through the conduit 2, after the connection is completed, the U-shaped clamping sleeve 6 corresponds to the supporting frame, the U-shaped clamping sleeve 6 is fixed through the magnetic force of the magnetic block 7 itself and the supporting frame, after the installation is completed, the threaded rod 9 is manually rotated, the threaded rod 9 drives the second limiting plate 11 to rotate by ninety degrees, after the angle is adjusted, one hand holds the threaded rod 9, the other hand rotates the threaded sleeve 10, the threaded sleeve 10 moves on the surface of the threaded rod 9, shortens the distance between the threaded sleeve 10 and the second limiting plate 11, and is clamped and fixed on the surface of the supporting frame, so that the auxiliary supporting effect is achieved.

[0029] After the fixing is completed, the spray head 1 is manually rotated to adjust the angle, after the angle adjustment is completed, the spring 14 pushes the limiting pin 15 to be arranged in the inside of the corresponding limiting slot, so that the fixing is realized, the operation is completed, and the above is the whole working principle of the utility model.

[0030] The installation mode, connection mode or setting mode of all the components are common mechanical mode, and the specific structure, model and coefficient index of all the components are self-contained technology, as long as the beneficial effects can be achieved, and therefore, no more description is made.

[0031] The above embodiment is the preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the utility model should be equivalent replacement, which is included in the protection scope of the utility model.

[0032] In the utility model, the orientation words contained in the terms such as "up, down, left, right, front, back, inside, outside and vertical and horizontal" only represent the orientation of the terms in the conventional use state or the common name understood by the person skilled in the art without being regarded as the limitation of the terms, at the same time, the serial nouns such as "first", "second" and "third" do not represent the specific quantity and order, and are only used for the differentiation of the name, and moreover, the term "include", "contain" or any other variant is intended to cover the non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to the process, method, article or equipment.

Claims

1. A coal mine spraying dust removal device comprising a spraying head (1) and a conduit (2), characterized in that, Both sides of the spray head (1) are fixedly provided with a conduit (2), the back of the spray head (1) is fixedly connected with a fixed block (3) through a connecting rod, both sides of the fixed block (3) are fixedly connected with a fixed rod (4) in a symmetrical manner, the surface of the fixed block (3) is sleeved with a U-shaped sleeve (6), both sides of the U-shaped sleeve (6) are provided with a hole slot matched with the fixed rod (4), a bearing is fixedly installed in the hole slot, and the end, away from the fixed block (3), of the fixed rod (4) is connected with a movable rod (12) penetrating through the bearing, and the back of the U-shaped sleeve (6) is fixedly connected with a magnetic block (7).

2. The coal mine spraying dust removal device according to claim 1, characterized in that, The inner wall of the U-shaped sleeve (6) is fixedly connected with a first limiting plate (8), a circular hole is formed in the top surface of the first limiting plate (8), a threaded rod (9) is inserted into the circular hole, a second limiting plate (11) is fixedly sleeved on the end surface of the threaded rod (9), and a threaded sleeve (10) is sleeved on the other end surface of the threaded rod (9).

3. The coal mine spraying dust removal device according to claim 1, characterized in that, Both sides of the outer wall of the U-shaped sleeve (6) are fixedly connected with a fixed cover (5) in a symmetrical manner, the surface of the fixed cover (5) is uniformly provided with a limiting slot in a ring shape, the surface of the movable rod (12) is uniformly provided with a cylindrical slot in a ring shape, a limiting pin (15) is inserted into the cylindrical slot, and the other end of the limiting pin (15) is inserted into the limiting slot.

4. The coal mine spraying dust removal device according to claim 3, characterized in that, An inner cavity is formed in the limiting pin (15), and a limiting rod (13) is inserted into the inner cavity, and the end, away from the inner cavity, of the limiting rod (13) is fixedly connected with the inner wall of the cylindrical slot.

5. The coal mine spraying dust removal device according to claim 4, characterized in that, A spring (14) is inserted between the limiting rod (13) and the limiting pin (15), one end of the spring (14) is fixedly connected with the limiting rod (13), and the other end of the spring (14) is fixedly connected with the inner wall of the inner cavity.

6. The coal mine spraying dust removal device according to claim 3, characterized in that, The end, inserted into the limiting slot, of the limiting pin (15) is in a semicircular shape.

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