Dust suppression device for mining

Abstract

A dust suppression device for mining, comprising a dust suppression spray pipe (3), wherein a fixed frame (1) is provided below the dust suppression spray pipe (3); a turntable (2) is mounted above the fixed frame (1), and the dust suppression spray pipe (3) is rotatably mounted above the turntable (2); oil cylinders (9) are fixedly mounted on both sides of the fixed frame (1), and the two oil cylinders (9) are symmetrically arranged, output ends of the oil cylinders (9) facing the top surface of the fixed frame (1); a recess is provided at the center of the fixed frame (1), and a mounting sleeve (7) is provided in the recess, the bottom surface of the turntable (2) being connected to the top end of the mounting sleeve (7) by means of a bearing, and the two oil cylinders (9) being drivingly connected to the mounting sleeve (7). The device uses the oil cylinders to lift the mounting sleeve, which drives the turntable to ascend, thereby raising the height of the dust suppression spray pipe; thus, the dust suppression range of the dust suppression spray pipe increases, enabling timely control of dust over a large area, improving visibility at a mining site, and reducing harm caused by dust to personnel and equipment.

Description

An open dust falling device TECHNICAL FIELD

[0001] The utility model relates to andalusite mining technical field especially relates to an open dust falling device. BACKGROUND

[0002] Andalusite is a high-grade refractory material, smelting aerospace light alloy raw material, metal parts and casting coating raw material, ceramic and, tile raw material, low-grade gem materials.

[0003] With the increasing demand for andalusite, the mine for mining andalusite raw materials is also increasing, a large amount of smoke dust will appear in the mining site, which will block the operator's vision and affect the operator's health. The mine is equipped with a special dust falling vehicle to take the dust falling device to the site for spraying dust falling.

[0004] The existing spray dust falling equipment can adjust the angle of the spray pipe nozzle to deal with dust falling in different ranges of the mine, but the adjustment of the angle has a limit. When the area of the mine dust exceeds the limit of the spray range of the spray pipe, the dust cannot be completely cleaned. UTILITY MODEL CONTENT

[0005] The purpose of the present application is to provide an open dust falling device to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] An open dust falling device, comprising a dust falling spray pipe, a fixed frame is arranged below the dust falling spray pipe, a rotary table is installed above the fixed frame, the dust falling spray pipe is rotatably installed above the rotary table, oil cylinders are fixedly installed on both sides of the fixed frame, two groups of oil cylinders are symmetrically arranged and the output ends of the oil cylinders face the top surface of the fixed frame, a slot is formed in the center of the fixed frame, an installation cylinder is arranged in the slot, the bottom surface of the rotary table is connected with the top end bearing of the installation cylinder, two groups of oil cylinders are drivingly connected with the installation cylinder, the installation cylinder is lifted by the oil cylinder, the rotary table is driven to rise by the installation cylinder, the height of the dust falling spray pipe is increased, the dust falling range of the dust falling spray pipe is increased, the dust in a large range can be controlled in time, the visibility of the mining site is improved, and the harm of the dust to personnel and equipment is reduced.

[0008] Preferably, a bearing is embedded and mounted at the center of the top surface of the installation cylinder, a protrusion is fixedly installed at the center of the bottom of the rotary table, the protrusion is fixedly connected with the inner wall of the shaft of the bearing, a rotating motor is fixedly installed in the installation cylinder, and the output end of the rotating motor is fixedly connected with the protrusion.

[0009] Preferably, the bottom outer wall of the mounting cylinder is fixedly provided with a lifting plate, the end of the lifting plate is provided with a circular hole, the bottom surface of the fixed frame is fixedly provided with a plurality of groups of guide rods, the number and mounting position of the plurality of groups of guide rods correspond to the circular hole of the lifting plate, each group of guide rods penetrates through the corresponding circular hole, and the bottom of the guide rod is fixedly provided with a limiting block.

[0010] Preferably, the side of the lifting plate close to the oil cylinder is fixedly provided with a clamping plate, the end of the clamping plate is fixedly provided with a pull rod, one end of the pull rod faces the top surface of the fixed frame and is fixedly provided with a connecting piece, and the other end of the connecting piece is fixedly connected with the output end of the oil cylinder.

[0011] Preferably, the outer wall below the spray port of the dust falling spray pipe is provided with a push rod, the bottom of the rotary table is fixedly provided with a gas cylinder, the mounting position of the gas cylinder corresponds to the push rod, the output end of the gas cylinder is fixedly connected with the push rod penetrating through the rotary table, the distal end of the dust falling spray pipe is provided with a starting button, and the starting button is mounted on the outer wall of the rotary table.

[0012] The dust falling spray pipe can be raised by the oil cylinder and the lifting plate, the height of the dust falling spray pipe is increased, the dust falling range of the dust falling spray pipe is increased, dust in a large range can be controlled in time, the visibility of the mining site is improved, and the harm of dust to personnel and equipment is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the overall structure of the utility model;

[0014] Fig. 2 is a schematic diagram of the overall cross-sectional structure of the utility model;

[0015] Fig. 3 is a schematic diagram of the overall structure of the utility model from the side;

[0016] Fig. 4 is a schematic diagram of the mounting cylinder structure of the utility model;

[0017] Fig. 5 is a schematic diagram of the rotary table structure of the utility model;

[0018] Fig. 6 is a local enlarged view of area A in Fig. 1 of the utility model;

[0019] In the drawing: 1, fixed frame; 2, rotary table; 3, dust falling spray pipe; 4, lifting plate; 5, guide rod; 6, starting button; 7, mounting cylinder; 8, gas cylinder; 9, oil cylinder; 10, connecting piece; 11, clamping plate; 12, pull rod. DETAILED DESCRIPTION

[0020] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.

[0021] As shown in Figures 1-6, a dust suppression device includes a dust suppression nozzle 3. Referring to Figures 1-3, a mounting frame 1 is installed below the dust suppression nozzle 3. The mounting frame 1 consists of a rectangular tabletop and four support rods at the ends. A turntable 2 is installed above the mounting frame 1. The dust suppression nozzle 3 is rotatably mounted above the turntable 2. Two columns are symmetrically arranged on both sides of the dust suppression nozzle 3. The bottom ends of the columns are fixedly mounted on the turntable 2. Extension rods are fixedly installed on the outer walls of both sides of the dust suppression nozzle 3 and rotatably connected to the ends of the columns. A push rod is fitted against the lower outer wall of the spray nozzle of the dust suppression nozzle 3. A cylinder 8 is fixedly installed at the bottom of the turntable 2. The installation position of the cylinder 8 corresponds to the push rod, and the output end of the cylinder 8 passes through the turntable 2 and is fixedly connected to the push rod. A start button 6 is located below the end of the dust suppression nozzle 3. The start button 6 is installed on the outer wall of the turntable 2 and is electrically connected to an external oil supply device.

[0022] Please refer to Figure 4-5. Two hydraulic cylinders 9 are fixedly installed on both sides of the fixed frame 1. The hydraulic cylinders 9 are connected to an external oil supply device. The two sets of hydraulic cylinders 9 are symmetrically arranged with their output ends facing the top surface of the fixed frame 1. The hydraulic cylinders 9 are perpendicular to the tabletop of the fixed frame 1. A slot is opened at the center of the fixed frame 1, and a mounting cylinder 7 is installed inside the slot. The bottom surface of the turntable 2 is connected to the top bearing of the mounting cylinder 7. The two sets of hydraulic cylinders 9 are drive-connected to the mounting cylinder 7. The outer diameter of the turntable 2 is larger than the slot. A bearing is embedded in the center of the top surface of the mounting cylinder 7. The outer wall of the bearing sleeve is fixedly connected to the mounting cylinder 7. A protrusion is fixedly installed at the bottom center of the 2, and the protrusion is fixedly connected to the inner wall of the bearing shaft. A rotary motor is fixedly installed inside the mounting cylinder 7, and the output end of the rotary motor is fixedly connected to the protrusion. A groove is opened at the top of the mounting cylinder 7. The bottom surface of the turntable 2 and the top surface of the mounting cylinder 7 are in contact. A ring of fitting blocks is installed on the bottom surface of the turntable 2. The fitting blocks and the groove are compatible. During operation, lubricating oil is added inside the groove to make the turntable 2 run more smoothly. In the initial state, the top surface of the mounting cylinder 7 is flush with the table of the fixed frame 1, and the bottom surface of the turntable 2 is in contact with the table of the fixed frame 1.

[0023] Please refer to Fig. 1-2, 6, the bottom outer wall of the mounting cylinder 7 is fixedly installed with a lifting plate 4, the lifting plate 4 is a regular rectangular plate, four end portions of the lifting plate 4 are provided with round holes, the bottom surface of the fixed frame 1 is fixedly installed with four groups of guide rods 5, the number and installation positions of the four groups of guide rods 5 correspond to the round holes of the lifting plate 4, the lifting plate 4 is parallel to the tabletop of the fixed frame 1, the guide rods 5 are perpendicular to the tabletop of the fixed frame 1, each group of guide rods 5 penetrates through the corresponding round hole, the bottom of the guide rod 5 is fixedly installed with a limiting block, the caliber of the limiting block is larger than that of the round hole, the bottom surface of the lifting plate 4 is attached to the limiting block in the initial state, the side edge of the lifting plate 4 close to the oil cylinder 9 is fixedly installed with a clamping plate 11, the end portion of the clamping plate 11 is fixedly installed with a pull rod 12, the pull rod 12 is perpendicular to the lifting plate 4, one end of the pull rod 12 faces the top surface of the fixed frame 1 and is fixedly installed with a connecting piece 10, the other end of the connecting piece 10 is fixedly connected with the output end of the oil cylinder 9

[0024] When dust reduction is needed in the mining area, the dust reduction vehicle brings the fixed frame 1 to the working area, the operator starts the cylinder 8, the output end of the cylinder 8 extends to lift the spray opening of the dust reduction spray pipe 3 by the push rod, and then the dust reduction spray pipe 3 sprays the smoke dust area to play a dust reduction role.

[0025] Since the dust reduction spray pipe 3 can rotate to adjust the spray angle, according to the height and range of the smoke dust, the angle of the dust reduction spray pipe 3 is adjusted by the cylinder 8, if the range of the smoke dust is too large, the output end of the cylinder 8 extends to the limit, the tail of the dust reduction spray pipe 3 touches and presses the starting button 6, the oil supply device matched with the dust reduction vehicle is started, the oil cylinder 9 extends the output end after oil is filled, drives the pull rod 12 through the connecting piece 10, lifts the lifting plate 4 through the clamping plate 11, and the lifting plate 4 rises along the guide rods 5, the lifting plate 4 lifts the mounting cylinder 7, the mounting cylinder 7 lifts the rotating table 2, and the rotating table 2 drives the dust reduction spray pipe 3 to rise.

[0026] By increasing the height of the dust reduction spray pipe 3, the dust reduction range of the dust reduction spray pipe 3 is increased, the large range of dust can be controlled in time, the visibility of the mining site is improved, and the harm of the dust to the personnel and equipment is reduced.

[0027] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the application patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. An open dust suppression device comprising a dust suppression lance (3), characterized in that: The lower part of the dust spray pipe (3) is provided with a fixing frame (1), the upper part of the fixing frame (1) is installed with a rotary table (2), the dust spray pipe (3) is rotatably installed on the upper part of the rotary table (2), the both sides of the fixing frame (1) are fixedly installed with oil cylinders (9), two groups of the oil cylinders (9) are symmetrically arranged and the output ends of the oil cylinders (9) face the top surface of the fixing frame (1), the center of the fixing frame (1) is provided with a notch, the notch is provided with a mounting cylinder (7), the bottom surface of the rotary table (2) is connected with the top end bearing of the mounting cylinder (7), and the two groups of oil cylinders (9) are drivingly connected with the mounting cylinder (7).

2. The dust suppression device according to claim 1, wherein: The center of the top surface of the mounting cylinder (7) is embeddedly installed with a bearing, the bottom center of the rotary table (2) is fixedly installed with a protrusion, the protrusion is fixedly connected with the inner wall of the shaft of the bearing, and the inside of the mounting cylinder (7) is fixedly installed with a rotating motor, and the output end of the rotating motor is fixedly connected with the protrusion.

3. The dust suppression device in claim 1, wherein: The bottom outer wall of the mounting cylinder (7) is fixedly installed with a lifting plate (4), the end portions of the lifting plate (4) are all provided with circular holes, the bottom surface of the fixing frame (1) is fixedly installed with a plurality of groups of guide rods (5), the number and mounting positions of the plurality of groups of guide rods (5) correspond to the circular holes of the lifting plate (4), each group of guide rods (5) penetrates the corresponding circular hole, and the bottom of the guide rod (5) is fixedly installed with a limiting block.

4. A dust suppression system according to claim 3, wherein: The side edges of the lifting plate (4) close to the oil cylinders (9) are all fixedly installed with clamping plates (11), the end portions of the clamping plates (11) are fixedly installed with pull rods (12), one end of the pull rod (12) faces the top surface of the fixing frame (1) and is fixedly installed with a connecting piece (10), and the other end of the connecting piece (10) is fixedly connected with the output end of the oil cylinder (9).

5. The dust suppression device in accordance with claim 1, wherein: The outer wall of the spray opening of the dust spray pipe (3) is fixedly provided with a push rod, the bottom of the rotary table (2) is fixedly installed with a gas cylinder (8), the mounting position of the gas cylinder (8) corresponds to the push rod, the output end of the gas cylinder (8) penetrates the rotary table (2) and is fixedly connected with the push rod, the lower part of the end of the dust spray pipe (3) is provided with a starting button (6), and the starting button (6) is installed on the outer wall of the rotary table (2).

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