CN215860289U

CN215860289U - Movable air dustproof device for coal mine tunneling construction

Info

Publication number: CN215860289U
Application number: CN202121801637.2U
Authority: CN
Inventors: 李坤; 曹飞
Original assignee: Wanbei Coal Electricity Group Co ltd
Current assignee: Wanbei Coal Electricity Group Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-18
Anticipated expiration: 2031-08-03

Abstract

The application discloses colliery is tunneled construction and is used portable air dust keeper, including falling dust machine main part, rolling disc, bracing piece, a spray canister, display screen, button, universal wheel, magnetosphere, becket, T type square bar, spring one, T type piece, U type fixture block, spring two, magnetic ring one, protective housing, L type pole, turning block, fixed block, rolling pin, coil spring that resets, magnetic block one, magnetic block two, dead lever, L type groove, slider, toper piece, spring four and adjusting bolt. This application is under the effect of spring elasticity, T type square bar removes and drives the becket removal and adsorb the laminating with the magnetosphere, and then the position of fixed rolling disc, under the effect of four elasticity of spring, toper piece one end is removed and is got into the spacing inslot portion, adjusting bolt removes and extrudees the toper piece, make the toper piece remove and get into the spacing inslot portion completely, accomplish the installation of universal wheel, under the effect of three elasticity of spring, L type pole removes and laminates with the protective housing, and then carries out the joint to the protective housing and fix.

Description

Movable air dustproof device for coal mine tunneling construction

Technical Field

The application relates to an air dust keeper, specifically is a portable air dust keeper is used in colliery tunnelling construction.

Background

The spray dust settling is a novel dust settling technology, and the principle of the spray dust settling is that particles generated by spraying are extremely fine, the surface tension is basically zero, and the particles can quickly adsorb dust particles with various sizes in the air when being sprayed to the air to form effective dust control. Has good effect on large-scale dust control and dust fall in a wide range. At the same time, the effect is a completely atomization effect, and water drops and moisture are never generated. Is especially suitable for wide application in foundry, textile mill, food plant, printing plant, airport, recreation ground, walking street, etc. and has low cost and obvious effect.

The air dust keeper that the tradition used has certain defect, lacks fixed establishment, causes inconveniently to fix the rolling disc, and then the spraying direction of inconvenient fixed spraying section of thick bamboo, lacks latch mechanism simultaneously, causes inconveniently to carry out the joint to the protective housing fixed, and then inconvenient controls the button, lacks installation mechanism, causes inconvenient dismouting to the universal wheel and maintains, has reduced the practicality of dust fall quick-witted main part. Therefore, the movable air dustproof device for coal mine tunneling construction is provided for solving the problems.

Content of application

A movable air dustproof device for coal mine tunneling construction comprises a dust falling machine main body, a rotating disc, supporting rods, an atomizing cylinder, a display screen, keys, universal wheels, a fixing mechanism, a clamping mechanism and an installing mechanism, wherein the rotating disc is rotatably installed at the top end of the dust falling machine main body, the two supporting rods are symmetrically and fixedly installed at the top end of the rotating disc, the atomizing cylinder is rotatably installed between the two supporting rods, the display screen and the keys are installed at the front end of the dust falling machine main body, and the four universal wheels are uniformly installed at the bottom end of the dust falling machine main body;

the fixing mechanism comprises a magnetic ring, a metal ring, a T-shaped square rod, a first spring, a T-shaped block and a U-shaped fixture block, the magnetic ring is fixedly installed at the bottom end of the rotating disc, the metal ring is installed on the upper side of the dust falling machine main body, the T-shaped square rod is fixedly installed on the left side of the bottom end of the metal ring, the bottom end of the T-shaped square rod extends into the dust falling machine main body, the first spring is fixedly installed at the bottom end of the T-shaped square rod, the bottom end of the first spring is fixedly installed in the dust falling machine main body, the T-shaped block is installed at the left end of the dust falling machine main body, one end of the T-shaped block extends into the dust falling machine main body, the U-shaped fixture block is fixedly installed at one end of the T-shaped block, and the bottom end of the U-shaped fixture block is attached to the T-shaped square rod;

the clamping mechanism comprises a protective shell, an L-shaped rod, a rotating block, fixed blocks, a rotating pin, a reset coil spring, a first magnetic block and a second magnetic block, the protective shell is installed at the front end of a dust falling machine main body in a rotating mode, the two fixed blocks are symmetrically and fixedly installed at the top end of the dust falling machine main body, the rotating block is installed between the two fixed blocks in a rotating mode, the L-shaped rod is installed at the bottom end of the rotating block in a sliding mode, one end of the L-shaped rod is attached to the protective shell, the rotating pin is symmetrically and fixedly installed at the left end and the right end of the rotating block, one end of the rotating pin extends into the fixed blocks, the reset coil spring is installed on the annular side face of the rotating pin, the outer side of the reset coil spring is fixedly installed inside the fixed blocks, the first magnetic block is fixedly installed on the annular side face of the rotating pin, and the first magnetic block and the second magnetic block are located in the same vertical plane;

installation mechanism includes dead lever, L type groove, slider, toper piece and spring four, four circular slots are evenly seted up to dust falling machine main part bottom, universal wheel top end fixed mounting dead lever, and the dead lever installs inside the circular slot, two L type grooves are seted up to the inside symmetry of circular slot, two sliders of symmetry fixed mounting on the dead lever annular side, the slider is installed inside L type groove, L type inslot portion fixed mounting spring four, and four one end fixed mounting toper pieces of spring, toper piece one end extends to inside one of them slider.

Furthermore, a square hole groove is formed in the top end of the dust falling machine main body, a T-shaped square rod is installed inside the square hole groove, a first spring is fixedly installed at the bottom end inside the square hole groove, a square frame is fixedly installed inside the square hole groove, and the top end of the square frame is attached to the bottom end of the T-shaped square rod.

Furthermore, a groove is formed in the square hole groove, a first magnetic ring is fixedly installed in the groove, and the first magnetic ring is fixedly installed on the outer side of the annular side face of the T-shaped block.

Furthermore, a second spring is installed on the annular side face of the T-shaped block, two ends of the second spring are fixedly installed on the T-shaped block and the dust falling machine main body respectively, a guide rod is fixedly installed at the top end of the dust falling machine main body, and the top end of the guide rod penetrates through the metal ring and extends to the upper side of the metal ring.

Furthermore, a rectangular groove is formed in the bottom end of the rotating block, a round rod is fixedly installed in the rectangular groove, a moving block and a spring III are installed on the annular side face of the round rod, two ends of the spring III are fixedly installed in the rectangular groove and the moving block respectively, the bottom end of the moving block is fixedly installed on the L-shaped rod, a magnetic ring II is fixedly installed at the other end of the rectangular groove, and the magnetic ring II is fixedly installed on the outer side of the annular side face of the round rod.

Furthermore, an accommodating groove is formed in the L-shaped groove, a spring IV is fixedly installed in the accommodating groove, and one end of the conical block extends into the accommodating groove.

Furthermore, a limiting groove is formed in one of the sliding blocks, and one end of the conical block extends into the limiting groove.

Further, two adjusting bolts are symmetrically installed at the front end and the rear end of the dust falling machine main body, one end of each adjusting bolt extends into the accommodating groove, a nut is installed on the annular side face of each adjusting bolt, and the outer side of each nut is fixedly installed inside the dust falling machine main body.

Furthermore, the L-shaped groove is composed of a transverse groove and a vertical groove, the two transverse grooves and the two vertical grooves are symmetrically formed in the circular groove, and one end of each transverse groove is communicated with the corresponding vertical groove.

Furthermore, a spring hinge is fixedly installed at one end of the protective shell through a first screw, and the other end of the spring hinge is fixedly installed at the front end of the dust falling machine main body through a second screw.

The beneficial effect of this application is: the application provides a portable air dust keeper is used in colliery tunnelling construction with convenient fixed rolling disc and protective housing function and convenient dismouting universal wheel function.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a fixing mechanism according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present application;

FIG. 4 is a schematic view of a rotating block mounting structure according to an embodiment of the present application;

FIG. 5 is a front view of a mounting mechanism according to one embodiment of the present application;

FIG. 6 is a top view of a mounting mechanism according to one embodiment of the present application.

In the figure: 1. the dust falling machine comprises a dust falling machine main body, 2, a rotating disc, 3, a supporting rod, 4, a spraying cylinder, 5, a display screen, 6, a key, 7, a universal wheel, 8, a magnetic ring, 9, a metal ring, 10, a T-shaped square rod, 11, a first spring, 12, a T-shaped block, 13, a U-shaped fixture block, 14, a second spring, 15, a first magnetic ring, 16, a protective shell, 17, an L-shaped rod, 18, a rotating block, 19, a fixing block, 20, a rotating pin, 21, a reset coil spring, 22, a first magnetic block, 23, a second magnetic block, 24, a fixing rod, 25, an L-shaped groove, 26, a sliding block, 27, a conical block, 28, a fourth spring, 29 and an adjusting bolt.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-6, a mobile air dust-proof device for coal mine tunneling construction comprises a dust falling machine main body 1, a rotating disc 2, support rods 3, a spraying cylinder 4, a display screen 5, keys 6, universal wheels 7, a fixing mechanism, a clamping mechanism and an installation mechanism, wherein the rotating disc 2 is rotatably installed at the top end of the dust falling machine main body 1, the two support rods 3 are symmetrically and fixedly installed at the top end of the rotating disc 2, the spraying cylinder 4 is rotatably installed between the two support rods 3, the display screen 5 and the keys 6 are installed at the front end of the dust falling machine main body 1, and the four universal wheels 7 are uniformly installed at the bottom end of the dust falling machine main body 1;

the fixing mechanism comprises a magnetic ring 8, a metal ring 9, a T-shaped square rod 10, a first spring 11, a T-shaped block 12 and a U-shaped fixture block 13, the magnetic ring 8 is fixedly installed at the bottom end of the rotating disc 2, the metal ring 9 is installed on the upper side of the dust falling machine main body 1, the T-shaped square rod 10 is fixedly installed on the left side of the bottom end of the metal ring 9, the bottom end of the T-shaped square rod 10 extends into the dust falling machine main body 1, the first spring 11 is fixedly installed at the bottom end of the T-shaped square rod 10, the bottom end of the first spring 11 is fixedly installed in the dust falling machine main body 1, the T-shaped block 12 is installed at the left end of the dust falling machine main body 1, one end of the T-shaped block 12 extends into the dust falling machine main body 1, the U-shaped fixture block 13 is fixedly installed at one end of the T-shaped block 12, the bottom end of the U-shaped fixture block 13 is attached to the T-shaped square rod 10, a user pulls the T-shaped block 12, the T-shaped block 12 moves to drive the U-shaped fixture block 13 to move into the groove to enter the groove to be attached to the magnetic ring 15, the T-shaped block 12 moves to stretch the second spring 14, so that the second spring 14 generates elastic force, the elastic force of the second spring 14 is smaller than the adsorption force between the U-shaped fixture block 13 and the first magnetic ring 15, the position of the U-shaped fixture block 13 is further fixed, under the action of the elastic force of the first spring 11, the T-shaped square rod 10 moves to drive the metal ring 9 to move to be adsorbed and attached to the magnetic ring 8, the position of the rotating disc 2 is further fixed, when the rotating disc 2 needs to be rotated, a user pushes the metal ring 9 downwards, the metal ring 9 moves to drive the T-shaped square rod 10 to move, the T-shaped square rod 10 moves to extrude the first spring 11, the first spring 11 generates elastic force, the T-shaped square rod 10 moves to be attached to the square frame, then the T-shaped block 12 is pushed reversely, the T-shaped block 12 moves to drive the U-shaped fixture block 13 to move to be separated from the first magnetic ring 15, under the action of the elastic force of the second spring 14, the T-shaped block 12 moves to drive the U-shaped fixture block 13 to move to be attached to the T-shaped square rod 10, the positions of the T-shaped square rod 10 and the metal ring 9 are further fixed, so that the metal ring 9 is separated from the magnetic ring 8, and the rotating disc 2 is convenient to rotate;

clamping mechanism includes protective housing 16, L type pole 17, turning block 18, fixed block 19, swivel pin 20, reset coil spring 21, magnetic block one 22 and magnetic block two 23, dust reducing machine main part 1 front end rotates installation protective housing 16, two fixed blocks 19 of 1 top symmetry fixed mounting of dust reducing machine main part, two rotate installation turning block 18 between the

fixed block

19, 18 bottom slidable mounting L type poles 17 of turning block, L type pole 17 one end is laminated with protective housing 16 mutually, two end symmetry fixed mounting have the swivel pin 20 about 18

turning block

18, 20 one end of swivel pin extends to inside the fixed block 19, install reset coil spring 21 on 20 annular side of swivel pin, and reset coil spring 21 outside fixed mounting is inside the fixed block 19, fixed mounting magnetic block one 22 on 20 annular side of swivel pin, 19 inside fixed mounting magnetic block two 23 of fixed block, and the first magnetic block 22 and the second magnetic block 23 are in the same vertical plane, a user rotates the rotating block 18, the rotating block 18 rotates to drive the rotating pin 20 to rotate, so that the reset coil spring 21 is extruded, the reset coil spring 21 generates torsion, the rotating pin 20 rotates to drive the first magnetic block 22 to move to be attached to the second magnetic block 23 in an adsorption mode, the adsorption force between the first magnetic block 22 and the second magnetic block 23 is larger than the torsion of the reset coil spring 21, the positions of the rotating block 18 and the L-shaped rod 17 are further fixed, then the L-shaped rod 17 is pulled, the L-shaped rod 17 moves to drive the moving block to move, the moving block moves to stretch the spring III, the moving block moves to be attached to the second magnetic ring in an adsorption mode, the adsorption force between the moving block and the second magnetic ring is larger than the elastic force of the spring III, the position of the L-shaped rod 17 is further fixed, the protective shell 16 is rotated by utilizing a spring hinge, the protective shell 16 rotates to be attached to the dust collector main body 1, then the rotating block 18 rotates reversely, the first magnetic block 22 is separated from the second magnetic block 23, the rotating pin 20 rotates to drive the rotating block 18 to rotate under the action of the torsion of the reset coil spring 21, the L-shaped rod 17 is further rotated to reset, the L-shaped rod 17 is in a horizontal state at the moment, then the L-shaped rod 17 is pushed, the L-shaped rod 17 moves to drive the moving block to move to be separated from the second magnetic ring, and under the action of the elasticity of the third spring, the moving block moves to drive the L-shaped rod 17 to move to be attached to the protective shell 16, so that the protective shell 16 is clamped and fixed;

the mounting mechanism comprises a fixing rod 24, an L-shaped groove 25, a sliding block 26, a conical block 27 and a spring four 28, four circular grooves are uniformly formed in the bottom end of the dust falling machine main body 1, the fixing rod 24 is fixedly mounted at the top end of the universal wheel 7, the fixing rod 24 is mounted inside the circular grooves, two L-shaped grooves 25 are symmetrically formed in the circular grooves, two sliding blocks 26 are symmetrically and fixedly mounted on the annular side surface of the fixing rod 24, the sliding blocks 26 are mounted inside the L-shaped groove 25, the spring four 28 is fixedly mounted inside the L-shaped groove 25, the conical block 27 is fixedly mounted at one end of the spring four 28, one end of the conical block 27 extends into one of the sliding blocks 26, a user inserts the circular rods into the circular grooves to enable the sliding blocks 26 to be mounted inside the vertical grooves, the fixing rod 24 is moved upwards, the fixing rod 24 is moved to drive the sliding blocks 26 to move to the ends of the vertical grooves, then the fixing rod 24 is rotated to pass through the fixing rod 24, the sliding blocks 26 are rotated to move into the horizontal grooves, one of them slider 26 removes and extrudees toper piece 27, make toper piece 27 remove and extrude spring four 28, make spring four 28 produce elasticity, when toper piece 27 aligns with the spacing groove, under the effect of spring four 28 elasticity, toper piece 27 one end is removed and is got into the spacing inslot portion, screw adjusting bolt 29 after that, adjusting bolt 29 removes along the nut, adjusting bolt 29 removes and extrudees toper piece 27, make toper piece 27 remove and get into the spacing inslot portion completely, accomplish the installation of universal wheel 7, toper piece 27 removes and stretches spring four 28, make spring four 28 produce elasticity, the elasticity of spring four 28 is convenient for the removal of toper piece 27 and is resetd.

A square hole groove is formed in the top end of the dust falling machine main body 1, a T-shaped square rod 10 is installed inside the square hole groove, a first spring 11 is fixedly installed at the bottom end inside the square hole groove, a square frame is fixedly installed inside the square hole groove, and the top end of the square frame is attached to the bottom end of the T-shaped square rod 10; a groove is formed in the square hole groove, a first magnetic ring 15 is fixedly installed in the groove, and the first magnetic ring 15 is fixedly installed on the outer side of the annular side face of the T-shaped block 12; a second spring 14 is arranged on the annular side face of the T-shaped block 12, two ends of the second spring 14 are fixedly arranged on the T-shaped block 12 and the dust falling machine main body 1 respectively, a guide rod is fixedly arranged at the top end of the dust falling machine main body 1, and the top end of the guide rod penetrates through the metal ring 9 and extends to the upper side of the metal ring 9; a rectangular groove is formed in the bottom end of the rotating block 18, a round rod is fixedly installed in the rectangular groove, a moving block and a spring III are installed on the annular side face of the round rod, two ends of the spring III are fixedly installed in the rectangular groove and the moving block respectively, the bottom end of the moving block is fixedly installed on the L-shaped rod 17, a magnetic ring II is fixedly installed at the other end in the rectangular groove, and the magnetic ring II is fixedly installed on the outer side of the annular side face of the round rod; a containing groove is formed in the L-shaped groove 25, a spring IV 28 is fixedly installed in the containing groove, and one end of the conical block 27 extends into the containing groove; one of the slide blocks 26 is provided with a limit groove, and one end of the conical block 27 extends into the limit groove; two adjusting bolts 29 are symmetrically arranged at the front end and the rear end of the dust falling machine main body 1, one ends of the adjusting bolts 29 extend into the accommodating grooves, nuts are arranged on the annular side surfaces of the adjusting bolts 29, and the outer sides of the nuts are fixedly arranged in the dust falling machine main body 1; the L-shaped groove 25 consists of a transverse groove and a vertical groove, two transverse grooves and two vertical grooves are symmetrically formed in the circular groove, and one end of each transverse groove is communicated with the corresponding vertical groove; one end of the protective shell 16 is fixedly provided with a spring hinge through a first screw, and the other end of the spring hinge is fixedly arranged at the front end of the dust falling machine main body 1 through a second screw.

When the magnetic ring fixing device is used, the T-shaped block 12 moves to drive the U-shaped clamping block 13 to move to enter the groove to be adsorbed and attached to the magnetic ring I15, the T-shaped block 12 moves to stretch the spring II 14, the elastic force of the spring II 14 is smaller than the adsorption force between the U-shaped clamping block 13 and the magnetic ring I15, the position of the U-shaped clamping block 13 is fixed, and under the action of the elastic force of the spring I11, the T-shaped square rod 10 moves to drive the metal ring 9 to move to be adsorbed and attached to the magnetic ring 8, and the position of the rotating disc 2 is fixed.

The rotating block 18 is rotated reversely, so that the first magnetic block 22 is separated from the second magnetic block 23, under the action of the torsion of the reset coil spring 21, the rotating pin 20 rotates to drive the rotating block 18 to rotate, the L-shaped rod 17 is in a horizontal state at the moment, the L-shaped rod 17 moves to drive the moving block to move to be separated from the second magnetic ring, under the action of the elasticity of the third spring, the moving block moves to drive the L-shaped rod 17 to move to be attached to the protective shell 16, and then the protective shell 16 is clamped and fixed.

One of them slider 26 removes and extrudees toper piece 27 for toper piece 27 removes and extrudees four 28 springs, and when toper piece 27 aligns with the spacing groove, under the effect of four 28 spring forces of spring, toper piece 27 one end is removed and is got into the spacing inslot portion, and adjusting bolt 29 rotates and removes along the nut, and adjusting bolt 29 removes and extrudees toper piece 27, makes toper piece 27 remove and gets into the spacing inslot portion completely, accomplishes the installation of universal wheel 7.

The application has the advantages that:

the T-shaped block moves to drive the U-shaped clamping block to move to enter the groove and adhere to the magnetic ring, the T-shaped block moves to stretch the spring II, the elastic force of the spring II is smaller than the adsorption force between the U-shaped clamping block and the magnetic ring I, the position of the U-shaped clamping block is fixed, under the action of the elastic force of the spring I, the T-shaped square rod moves to drive the metal ring to move to adhere to the magnetic ring, the position of the rotating disc is fixed, the problem that the rotating disc is inconvenient to fix and the spraying direction of the spraying cylinder is inconvenient to fix is solved.

2. The rotation block of reverse rotation for magnetic path one separates with magnetic path two, under the effect of reset coil spring torsion, the rotating pin rotates and drives the rotation block and rotate, L type pole is in the horizontality this moment, L type pole removes and drives the removal piece and remove and separate with magnetic ring two, under the effect of spring three elasticity, the removal piece removes and drives L type pole and remove and the protective housing laminating, and then it is fixed to carry out the joint to the protective housing, it lacks clamping mechanism to have solved, it is fixed to cause inconvenient joint to the protective housing, and then the inconvenient problem of controlling the button.

3. One of them slider removes and extrudees the toper piece, make the toper piece remove and extrude spring four, when the toper piece aligns with the spacing groove, under the effect of four elastic forces of spring, toper piece one end is removed and is got into the spacing inslot portion, adjusting bolt rotates and removes along the nut, adjusting bolt removes and extrudees the toper piece, make the toper piece remove and get into the spacing inslot portion completely, accomplish the installation of universal wheel, the installation mechanism that lacks has been solved, cause inconvenient dismouting to the universal wheel and maintain, the problem of dust fall main part practicality has been reduced.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a colliery is tunneled construction and is used portable air dust keeper which characterized in that: the dust falling machine comprises a dust falling machine main body (1), a rotating disc (2), supporting rods (3), an atomizing cylinder (4), a display screen (5), keys (6), universal wheels (7), a fixing mechanism, a clamping mechanism and an installing mechanism, wherein the rotating disc (2) is rotatably installed at the top end of the dust falling machine main body (1), the two supporting rods (3) are symmetrically and fixedly installed at the top end of the rotating disc (2), the atomizing cylinder (4) is rotatably installed between the two supporting rods (3), the display screen (5) and the keys (6) are installed at the front end of the dust falling machine main body (1), and the four universal wheels (7) are uniformly installed at the bottom end of the dust falling machine main body (1);

the fixing mechanism comprises a magnetic ring (8), a metal ring (9), a T-shaped square rod (10), a first spring (11), a T-shaped block (12) and a U-shaped clamping block (13), a magnetic ring (8) is fixedly arranged at the bottom end of the rotating disc (2), a metal ring (9) is arranged on the upper side of the dust falling machine main body (1), a T-shaped square rod (10) is fixedly arranged on the left side of the bottom end of the metal ring (9), the bottom end of the T-shaped square rod (10) extends into the dust falling machine main body (1), a first spring (11) is fixedly arranged at the bottom end of the T-shaped square rod (10), the bottom end of the first spring (11) is fixedly arranged in the dust falling machine main body (1), the left end of the dust falling machine main body (1) is provided with a T-shaped block (12), one end of the T-shaped block (12) extends into the dust falling machine main body (1), a U-shaped fixture block (13) is fixedly arranged at one end of the T-shaped block (12), and the bottom end of the U-shaped fixture block (13) is attached to the T-shaped square rod (10);

the clamping mechanism comprises a protective shell (16), an L-shaped rod (17), a rotating block (18), a fixed block (19), a rotating pin (20), a reset coil spring (21), a first magnetic block (22) and a second magnetic block (23), the front end of the dust falling machine body (1) is rotatably provided with the protective shell (16), the two fixed blocks (19) are symmetrically and fixedly arranged at the top end of the dust falling machine body (1), the rotating block (18) is rotatably arranged between the fixed blocks (19), the L-shaped rod (17) is slidably arranged at the bottom end of the rotating block (18), one end of the L-shaped rod (17) is attached to the protective shell (16), the rotating pin (20) is symmetrically and fixedly arranged at the left end and the right end of the rotating block (18), one end of the rotating pin (20) extends to the inside of the fixed block (19), the reset coil spring (21) is arranged on the annular side face of the rotating pin (20), the outer side of the reset coil spring (21) is fixedly installed inside the fixed block (19), a first magnetic block (22) is fixedly installed on the annular side face of the rotating pin (20), a second magnetic block (23) is fixedly installed inside the fixed block (19), and the first magnetic block (22) and the second magnetic block (23) are located in the same vertical plane;

installation mechanism includes dead lever (24), L type groove (25), slider (26), toper piece (27) and four (28) of spring, four circular slots are evenly seted up to dust fall machine main part (1) bottom, universal wheel (7) top fixed mounting dead lever (24), and dead lever (24) install inside the circular slot, two L type grooves (25) are seted up to the inside symmetry of circular slot, two slider (26) of symmetry fixed mounting on dead lever (24) annular side, install inside L type groove (25) slider (26), four (28) of L type groove (25) inside fixed mounting spring, and four (28) one end fixed mounting toper piece (27) of spring, toper piece (27) one end extends to inside one of them slider (26).

2. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: the dust falling machine is characterized in that a square hole groove is formed in the top end of the dust falling machine main body (1), a T-shaped square rod (10) is installed inside the square hole groove, a first spring (11) is fixedly installed at the bottom end inside the square hole groove, a square frame is fixedly installed inside the square hole groove, and the top end of the square frame is attached to the bottom end of the T-shaped square rod (10).

3. The mobile air dust-proof device for coal mine excavation construction according to claim 2, characterized in that: a groove is formed in the square hole groove, a first magnetic ring (15) is fixedly installed in the groove, and the first magnetic ring (15) is fixedly installed on the outer side of the annular side face of the T-shaped block (12).

4. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: and a second spring (14) is arranged on the annular side surface of the T-shaped block (12), two ends of the second spring (14) are respectively and fixedly arranged on the T-shaped block (12) and the dust falling machine body (1), a guide rod is fixedly arranged at the top end of the dust falling machine body (1), and the top end of the guide rod penetrates through the metal ring (9) and extends to the upper side of the metal ring (9).

5. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: the magnetic ring structure is characterized in that a rectangular groove is formed in the bottom end of the rotating block (18), a round rod is fixedly installed in the rectangular groove, a moving block and a spring III are installed on the annular side face of the round rod, two ends of the spring III are fixedly installed in the rectangular groove and the moving block respectively, the bottom end of the moving block is fixedly installed on the L-shaped rod (17), a magnetic ring II is fixedly installed at the other end of the rectangular groove, and the magnetic ring II is fixedly installed on the outer side of the annular side face of the round rod.

6. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: the L-shaped groove (25) is internally provided with a containing groove, a spring IV (28) is fixedly arranged in the containing groove, and one end of the conical block (27) extends into the containing groove.

7. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: one of the slide blocks (26) is provided with a limiting groove, and one end of the conical block (27) extends into the limiting groove.

8. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: two adjusting bolt (29) of both ends symmetry installation around dust fall quick-witted main part (1), adjusting bolt (29) one end extends to and accomodates the inslot portion, mounting nut on adjusting bolt (29) annular side, and nut outside fixed mounting is inside dust fall quick-witted main part (1).

9. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: the L-shaped groove (25) is composed of a transverse groove and a vertical groove, two transverse grooves and two vertical grooves are symmetrically formed in the circular groove, and one end of each transverse groove is communicated with the corresponding vertical groove.

10. The mobile air dust-proof device for coal mine excavation construction according to claim 1, characterized in that: one end of the protective shell (16) is fixedly provided with a spring hinge through a first screw, and the other end of the spring hinge is fixedly arranged at the front end of the dust falling machine main body (1) through a second screw.