CN216811709U - Safety type hand-push pneumatic slurry spraying machine for coal mine safety production - Google Patents

Abstract

The utility model provides a hand-pushed pneumatic grouting machine for coal mine safety production, which uses compressed air as driving force, a pneumatic motor rotates to transmit power to a stirring rotating shaft, a stirring screw is arranged on the stirring rotating shaft, raw materials of concrete grout or mortar concrete are placed in a stirring tank, the stirring rotating shaft rotates at high speed to mix and stir the concrete to the specific gravity concentration required by grouting, the stirring rotating shaft transmits the power to a screw conveyor through a universal joint, the mortar concrete is extruded out of a discharge port by the stirring rotating shaft in the screw conveyor to form flowing mortar concrete, and the flowing mortar concrete is sprayed onto roadway walls through pipelines and nozzles to achieve the aim of grouting. The upper pneumatic motor is directly connected with the spiral stirring device, the direction of the pushing fountain raw material is consistent with the direction of gravity, the oil-gas separation device can effectively separate moisture, so that the pneumatic motor is protected from moisture erosion, the gas filter effectively separates dust particles, and the pneumatic motor is protected from abrasion.

Description

Safety type hand-push pneumatic slurry spraying machine for coal mine safety production

Technical Field

The utility model relates to roadway support and guniting in coal mine safety production, in particular to a safety hand-pushed pneumatic guniting machine for coal mine safety production.

Background

The coal mine shotcrete machine is a widely used construction equipment in engineering construction, and is characterized by that it utilizes compressed air or other power, mixes material conveying pipeline according to a certain proportion and sprays it on the sprayed surface at high speed to make coagulation and hardening so as to form concrete supporting layer.

However, in the existing coal mine underground shotcrete machine, a motor is used as a driving force, cement slurry, sand and stones and an accelerating agent are mixed in a mixer, then a conveying pipe conveys the mixed material to a spray gun for spraying operation, a power cable needs to be laid, auxiliary devices such as an explosion-proof switch need to be arranged, the number of auxiliary personnel is large, the number of auxiliary materials is large, the cable is aged and leaked, short circuits of electrical components and the like in a humid environment can bring great potential safety hazards to safety production of a coal mine.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe hand-pushed pneumatic patching machine for coal mine safety production, which utilizes the existing compressed air pipeline in a coal mine and uses compressed air as a driving force, can save 40 percent of cost, can save a large amount of workload required by auxiliary facility construction, can greatly reduce potential safety hazards caused by cable leakage or short circuit, and solves the problems provided in the technical background.

In order to achieve the purpose, the utility model adopts the following technical scheme:

colliery safety in production is with this safe type hand push pneumatic patching machine, remove the automobile body including the hand push, the hand push remove the automobile body and include that the removal frame of bottom, the hand push frame at upper portion rear and the front portion that removes the frame set up the agitator tank, set up the stirring rotation axis in the agitator tank, the hole UNICOM spiral delivery machine is established to the bottom of agitator tank, the screw conveyer center sets up the whitewashing screw axis, the whitewashing screw axis passes through the universal joint with the stirring rotation axis and links to each other, stirring rotation axis upper portion links to each other with pneumatic motor, pneumatic motor is fixed in and removes on the frame, pneumatic motor's air inlet inserts high pressurized air source.

Preferably, the method comprises the following steps: the hand push frame lower part sets up the fixed plate, sets up the check valve on the fixed plate front side, sets up the overflow valve on the right side of the check valve of fixed plate, and the back of fixed plate sets up oil water separator, sets up the filter on the removal frame.

Preferably, the method comprises the following steps: the dead lever is established to the removal frame left and right sides, and the both ends of dead lever are fixed by front axle and rear axle respectively, and front axle and rear axle both sides set up the wheel of symmetry respectively, set up the connecting portion of slope between the anterior of removal frame and the hand push frame upper portion, and connecting portion top position sets up pneumatic motor, and pneumatic motor's output shaft passes through flange joint in the top of stirring rotation axis.

Preferably, the method comprises the following steps: open-top of agitator tank, open-top are the horizontal hole, and the rear side sets up the power hole, and the stirring rotation axis passes this power hole and links to each other with the flange, and the lower part position that the agitator tank was fixed, agitator tank front side lower part trompil and screw conveyer looks UNICOM, and the whitewashing screw axis level in the screw conveyer sets up, and screw conveyer's front end sets up ejection of compact joint.

Preferably, the method comprises the following steps: the agitator tank is fixed on lower locating plate, and lower locating plate sets up in connecting portion lower part position, and the lower extreme of connecting portion links to each other with the front axle.

Preferably, the method comprises the following steps: the pneumatic motor is provided with an upper positioning plate, the upper positioning plate is provided with two groups of symmetrical screw holes, and the bottom connecting part of the pneumatic motor is fixed on the upper positioning plate through bolts.

Preferably, the method comprises the following steps: the hand push frame comprises a vertical upright post rod, a movable handle is arranged at the top of the upright post rod, a rotating shaft is arranged at the lower part of the movable handle, a fixed plate is welded at the lower part of the upright post rod, and the bottom of the upright post rod is welded on a front shaft of the movable frame.

The utility model has the advantages that:

the automatic pneumatic fountain machine has the advantages that the automatic degree is high, the machine can work after being connected with a compressor, the compressed air is used as power to drive the motor, the size of the whole machine is smaller, the weight is lighter, auxiliary personnel are reduced, the machine is provided with a thrust handle, the machine is light and flexible, the machine can be pushed to walk only by one person, the overhead pneumatic motor is directly connected with the spiral stirring device, the direction of pushing fountain raw materials is consistent with the direction of the gravity, and the energy is saved and the consumption is reduced; the oil-gas separation device can effectively separate moisture, so that the pneumatic motor is protected from moisture erosion, the gas filter effectively separates dust particles, and the pneumatic motor is protected from abrasion.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the present invention;

fig. 4 is a top view of the present invention.

Reference numerals:

1. the hand-push mobile vehicle body, 2, a mobile frame, 3, a hand-push frame, 4, a stirring box, 5, a stirring screw shaft, 6, a screw conveyor, 7, a stirring rotating shaft, 8, a pneumatic motor, 9, a fixing plate, 10, a one-way valve, 11, an overflow valve, 12, an oil-water separator, 13, a filter, 14, a fixing rod, 15, a front shaft, 16, a wheel, 17, a rear shaft, 18, a flange, 19, a connecting part, 20, an upper positioning plate, 21, a lower positioning plate, 22, an upright post rod, 23, a rotating shaft, 24 and a mobile handle.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the utility model.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated position or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

One embodiment of the present invention is shown in fig. 1 to 4.

The safety type hand-push pneumatic patching machine for coal mine safety production, as shown in fig. 1, comprises a hand-push moving vehicle body 1, wherein the hand-push moving vehicle body 1 comprises a moving frame and a hand-push frame, an inclined connecting part 19 is arranged between the front part of the moving frame 2 and the upper part of the hand-push frame 3, an upper positioning plate 20 is arranged on the upper part of the connecting part, and a pneumatic motor 8 is arranged on the upper positioning plate 20, so that the hand-push pneumatic patching machine can be used under the condition that a power supply condition is not formed on the underground working surface of a coal mine.

The lower part of the connecting part is provided with a lower positioning plate 20, the lower positioning plate 21 is provided with a stirring box 4, the lower end of the pneumatic motor 8 and the top of a stirring rotating shaft in the stirring box 4 are connected with a flange 18, and the flange 18 is divided into an upper part and a lower part which are fixedly connected by screws. The top opening of the stirring box 4 is a horizontal hole, the side surface of the rear side is provided with a power hole, and the stirring rotating shaft 7 passes through the power hole to be connected with the flange 18.

The pneumatic motor 8 uses compressed air as power to replace a motor, so that the whole machine is smaller in size and lighter in weight. The flange 18 is divided into an upper part and a lower part which are fixedly connected by screws, and a lower positioning plate 21 at the lower part of the support frame is provided with a stirring box 4 of the discharging stirring device.

The upper pneumatic motor 8 at the lower part of the support frame is directly connected with the spiral stirring device, the direction of pushing and extruding the guniting raw materials is consistent with the gravity direction, and the energy is saved and the consumption is reduced. The stirring screw shaft 5 is arranged in the stirring box 4, the top of the stirring box 4 is provided with an opening, and the lower part of the rear side of the stirring box 4 is connected with a screw conveyor. The discharge port of the screw conveyer is provided with a buckle for connecting with a conveying pipeline. The bottom of the stirring box 4 is provided with a hole communicated with the spiral conveyer, the center of the spiral conveyer 6 is provided with a guniting spiral shaft, the guniting spiral shaft is connected with the stirring rotating shaft 7 through a universal joint, and an air inlet of the pneumatic motor 8 is connected with a high-pressure air source.

High-pressure air supply provides power for the starter motor, pneumatic motor is rotatory to give stirring rotation axis with power transmission, be equipped with the stirring spiral on the stirring rotation axis, the raw materials of concrete thick liquid or mortar concrete are put into the agitator tank, the high-speed rotation of stirring rotation axis mixes its stirring to the proportion concentration that the whitewashing needs, the stirring rotation axis passes through the universal joint and gives power transmission to screw conveyer, the stirring rotation axis in the screw conveyer extrudes mortar concrete in discharge gate department, form the mortar concrete of flow state, spout on the tunnel wall through pipeline and shower nozzle, realize the whitewashing purpose. During guniting, high-pressure gas can be mixed to form a high-speed jet flow, and mortar concrete is uniformly sprayed on the wall of the roadway.

The lower part of the movable frame is provided with a fixed rod, two ends of the fixed rod are respectively welded and fixed by a front shaft 15 and a rear shaft 17, and two sides of the front shaft 15 and the rear shaft 17 are respectively provided with symmetrical wheels 16. The filter 13 is fixed on a fixing rod on one side, and the filter 13 is used for separating dust particles from high-pressure air and protecting the pneumatic motor 8 from being abraded by dust in the high-pressure air.

The hand-push movable trolley body 1 shown in the figure 1-2 is light and flexible, and is particularly suitable for being used in a coal mine underground in a movable mode, the hand-push movable trolley body 1 is provided with a fixed frame, a one-way valve is arranged on the fixed frame, an overflow valve 11 is arranged on the right side of the one-way valve of a fixed plate 18, and an oil-water separator 12 is arranged on the back of the fixed plate 18.

Before the high-pressure gas enters the starting motor, the moisture in the high-pressure gas needs to be effectively removed. The one-way valve is used for controlling high-pressure gas, and prevents mortar concrete at the nozzle from flowing into a high-pressure gas pipeline during guniting. The overflow valve is used for controlling the pressure of high-pressure gas and avoiding the uneven guniting caused by the fact that the high-pressure gas exceeds the working pressure requirement.

The hand push frame comprises a column rod, a moving handle 26 is arranged on the column rod, a rotating shaft 22 is arranged on the lower portion of the moving handle and connected with the column rod, and the column rod is welded with a fixing plate. The rotating shaft is used for steering the hand push frame so as to enable the equipment to face to the proper direction conveniently during working. The upright post rod is provided with a thrust handle, is light and flexible, and can be pushed to walk only by one person.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a colliery safety in production is with pneumatic patching machine of this safe type hand push, includes that the hand push removes automobile body (1), its characterized in that: hand push remove automobile body (1) including the removal frame (2) of bottom, the hand push frame (3) of upper portion rear and the front portion that removes frame (2) set up agitator tank (4), set up stirring rotation axis (7) in agitator tank (4), the hole UNICOM spiral delivery machine is established to the bottom of agitator tank (4), screw conveyer (6) center sets up the whitewashing screw axis, the whitewashing screw axis links to each other through the universal joint with stirring rotation axis (7), stirring rotation axis (7) upper portion links to each other with pneumatic motor (8), pneumatic motor (8) are fixed in on removing frame (2), the air inlet of pneumatic motor (8) inserts high pressurized air source.

2. The hand-propelled pneumatic patching machine for coal mine safety production of claim 1,

the lower portion of the hand push frame (3) is provided with a fixing plate (9), the front side of the fixing plate (9) is provided with a one-way valve (10), the right side of the one-way valve (10) of the fixing plate (9) is provided with an overflow valve (11), the back of the fixing plate (9) is provided with an oil-water separator (12), and the moving frame (2) is provided with a filter (13).

3. The hand-propelled pneumatic patching machine for coal mine safety production of claim 1,

the left side and the right side of the movable frame (2) are provided with fixing rods (14), the two ends of each fixing rod (14) are fixed by a front shaft and a rear shaft respectively, the two sides of the front shaft and the two sides of the rear shaft are provided with symmetrical wheels respectively, an inclined connecting part (19) is arranged between the front part of the movable frame (2) and the upper part of the hand push frame (3), the top of the connecting part (19) is provided with a pneumatic motor (8), and an output shaft of the pneumatic motor (8) is connected to the top of the stirring rotating shaft (7) through a flange (18).

4. The hand-propelled pneumatic patching machine for coal mine safety production of claim 3, wherein: open-top of agitator tank (4), open-top are the horizontal hole, and the rear side sets up the power hole, and stirring rotation axis (7) pass this power hole and link to each other with flange (18), and the lower part position that agitator tank (4) were fixed, agitator tank (4) front side lower part trompil and screw conveyer (6) looks UNICOM, and the whitewashing screw axis level in screw conveyer (6) sets up, and the front end of screw conveyer (6) sets up ejection of compact and connects.

5. The hand-propelled pneumatic patching machine for coal mine safety production of claim 3, wherein: the stirring box (4) is fixed on a lower positioning plate, the lower positioning plate is arranged at the lower part of the connecting part (19), and the lower end of the connecting part (19) is connected with the front shaft.

6. The hand-propelled pneumatic patching machine for coal mine safety production of claim 3, wherein: the pneumatic motor (8) is provided with an upper positioning plate, the upper positioning plate is provided with two groups of symmetrical screw holes, and the bottom connecting part (19) of the pneumatic motor (8) is fixed on the upper positioning plate through a bolt.

7. The hand-propelled pneumatic patching machine for coal mine safety production, according to claim 1, is characterized in that: the hand push frame (3) comprises a vertical upright post rod, a moving handle (24) is arranged at the top of the upright post rod, a rotating shaft is arranged at the lower part of the moving handle (24), a fixed plate (9) is welded at the lower part of the upright post rod, and the bottom of the upright post rod is welded on a front shaft of the moving frame (2).

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