CN223747478U - Stirring device for filling materials in coal mine filling exploitation - Google Patents

Abstract

This utility model discloses a mixing device for coal mine backfilling materials, relating to the field of coal mine backfilling material mixing technology. The mixing device includes a mixing drum, with a cover plate bolted to the upper end of the drum. A stirring rod is rotatably mounted on the cover plate, with several stirring blades fixed to the upper surface of the stirring rod, cooperating with the inner cavity of the mixing drum. A spiral blade is provided on the lower surface of the stirring rod to facilitate the mixing of the backfilling material. Two scrapers are arranged opposite each other on the lower side of the mixing drum, with several fixed rods fixed between the scrapers and the stirring rod. A scraper ring is movably mounted on the upper side of the mixing drum, with both the scrapers and the scraper ring cooperating with the inner wall of the mixing drum. A reciprocating moving component is provided between the stirring rod and the scraper ring, facilitating the up-and-down reciprocating movement of the scraper ring during mixing to scrape off the raw material adhering to the inner wall of the mixing drum, facilitating cleaning of the equipment after mixing.

Description

Stirring device for filling materials in coal mine filling exploitation

Technical Field

The utility model belongs to the technical field of stirring of filling materials in coal mine filling exploitation, and particularly relates to a stirring device for the filling materials in coal mine filling exploitation.

Background

The ground surface subsidence can be caused after the coal seam is mined, when a building exists on the ground, the moving is needed in advance, and then coal is mined, and due to factors of high difficulty in moving and moving work, high cost, long period and the like, many mines adopt a goaf filling mode to mine. In the preparation process of the filling material, stirring equipment is needed to stir and mix different raw materials of the filling material so as to ensure the quality and the use effect of the filling material.

The publication No. CN214148825U discloses a stirring device for filling and filling materials in coal mine, in the using process, firstly, a lifting motor is started, so that the lifting motor drives a lifting rod to descend a rotating table to a proper position, then, the lifting motor is started, a stirring rod fixed on the rotating table is enabled to rotate, after the materials to be stirred are added, the stirring rod and the rotating table can rotate at a high speed, and therefore stirring efficiency and working efficiency are greatly improved.

The above prior art still has the following disadvantages in implementation:

The stirring rod fixed on the rotating table is driven by the motor to rotate, so that the purpose of stirring raw materials is achieved, the stirring can only be carried out along a single direction, the stirring mode is single, the stirring effect is poor, a corresponding cleaning mechanism is lacked, the raw materials are easily adhered to the inner wall of the stirring container in the stirring process, resource waste is caused, and the cleaning after the stirring is finished is inconvenient.

Aiming at the problems, a stirring device for filling and mining filling materials of coal mines is provided.

Disclosure of utility model

Technical proposal

In order to solve the technical problems, the utility model provides a stirring device for filling and mining filling materials in a coal mine, which comprises a stirring barrel, wherein a cover plate is arranged at the upper port of the stirring barrel through bolts, stirring rods are rotatably arranged on the cover plate, a plurality of stirring blades are fixed on the upper side of the surface of the stirring rods and are matched with the inner cavity of the stirring barrel, spiral blades are arranged on the lower side of the surface of the stirring rods, two scraping plates are oppositely arranged on the lower side of the inner part of the stirring barrel, a plurality of fixing rods are fixed between the scraping plates and the stirring rods, a scraping ring is movably arranged on the upper side of the inner part of the stirring barrel, the scraping plates and the scraping ring are matched with the inner wall of the stirring barrel, and a reciprocating movement assembly is arranged between the stirring rods and the scraping ring.

The reciprocating assembly comprises a driving gear, a driven gear, a reciprocating screw rod, a movable plate, a piston rod and a poking plate, wherein the upper end of the stirring rod extends out of the outer side of the cover plate and is connected with the driving gear, a rotating shaft is rotatably arranged on the surface of the outer side of the cover plate, the driven gear is arranged on the rotating shaft, the driving gear is meshed with the driven gear, the lower end of the reciprocating screw rod is fixedly connected with the upper end of the rotating shaft, and threads of the movable plate are arranged on the reciprocating screw rod.

The cover plate surface is relatively penetrated with two through holes, two piston rods are respectively movably arranged in the two through holes, the upper end and the lower end of each piston rod are respectively connected with a movable plate and a scraping ring, and a plurality of poking plates are obliquely fixed on one surface of the scraping ring, which is close to the stirring rod.

The stirring barrel bottom is communicated with a discharging pipe, the lower end of the stirring rod extends to the inner side of the discharging pipe, the lower parts of the spiral blades are matched with the inner cavity of the discharging pipe, and a valve is arranged on the discharging pipe.

The stirring barrel outside is provided with the mount, the puddler upper end is connected with servo motor, apron week side surface mounting has a plurality of lugs, the apron top is fixed with the backup pad of L shape structure, reciprocal lead screw upper end and backup pad normal running fit, servo motor sets up in the backup pad is inboard.

The utility model discloses a stirring barrel, including apron surface, stirring barrel, apron surface one side intercommunication has the feeder hopper, the agitator lower part is hopper-shaped structure, the agitator comprises aluminium magnesium brick furnace body and the carbon tube inside lining of welding at aluminium magnesium brick furnace body inboard surface, aluminium magnesium brick furnace body lower surface is equipped with the round hole, be provided with the outlet pipe in the round hole.

Compared with the prior art, the utility model has the beneficial effects that:

According to the stirring device, the stirring rod and the stirring blades are matched with each other, so that the raw materials on the upper side of the inside of the stirring barrel are conveniently stirred and mixed in the horizontal direction, the fixed rod and the spiral blades are driven to synchronously rotate in the rotation process of the stirring rod, the raw materials on the lower side of the inside of the stirring barrel are conveniently stirred in the horizontal direction, and the raw materials adhered on the lower side of the inner wall of the stirring barrel are conveniently scraped by combining the mutual matching of the scraping plate and the inner wall of the stirring barrel;

under the mutual matching of the spiral blade and the inner cavity of the discharging pipe, the mixed filling material is conveniently discharged after the stirring is finished;

Simultaneously, through the meshing effect of the driving gear and the driven gear, the rotation fit of the rotating shaft and the cover plate is combined, so that the stirring rod is convenient to rotate, the reciprocating screw rod is driven to rotate, the movable plate is driven to reciprocate up and down under the threaded fit of the reciprocating screw rod and the movable plate, the movable fit of the piston rod and the through hole is combined, the scraping ring is further driven to reciprocate up and down along the inner wall of the stirring barrel, raw materials adhered to the upper side of the inner wall of the stirring barrel are scraped, and the defects that in the prior art, when the raw materials of filling materials are stirred, a corresponding cleaning mechanism is lacked, the raw materials are easy to adhere to the inner wall of a furnace body in the stirring process, so that resource waste is caused, and cleaning after the stirring is finished is inconvenient are overcome;

Wherein under the effect of the stirring plate that the slope set up, the in-process of reciprocating motion about scraping the ring stirs the inside raw materials of agitator through stirring the plate in vertical direction, has further improved the stirring effect of raw materials, has solved among the prior art and has rotated the stirring rod that is fixed on the rotating table through the motor drive, reaches the purpose of stirring raw materials, can only stir along the single direction, and the stirring mode is comparatively single, the not good drawback of stirring effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic view of the structure of section A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 3;

FIG. 5 is a schematic view of a stirring rod according to the present utility model;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5.

The mark in the drawing is 1, a stirring barrel; 2, a cover plate, 3, a stirring rod, 4, stirring blades, 5, spiral blades, 6, a scraping plate, 7, a fixed rod, 8, a scraping ring, 9, a driving gear, 10, a driven gear, 11, a reciprocating screw rod, 12, a movable plate, 13, a piston rod, 14, a stirring plate, 15, a discharging pipe, 16, a fixing frame, 17, a servo motor, 18, a lifting lug, 19, a supporting plate, 20 and a feeding hopper.

Detailed Description

This concrete embodiment is a stirring device of colliery filling exploitation filling material, as shown in fig. 1-6, this a stirring equipment for colliery filling exploitation filling material, including agitator 1, the apron 2 is installed through the bolt to the port on the agitator 1, rotate on the apron 2 and be provided with puddler 3, puddler 3 surface upside is fixed with a plurality of stirring leaf 4, mutually support with agitator 1 inner chamber, puddler 3 surface downside is provided with helical blade 5, agitator 1 inside downside is provided with two scraper blades 6 relatively, be fixed with a plurality of dead levers 7 between scraper blade 6 and the puddler 3, agitator 1 inside upside activity is provided with scrapes ring 8, scraper blade 6 and scrape ring 8 all cooperate with agitator 1 inner wall, be provided with reciprocating motion subassembly between puddler 3 and the scraper ring 8.

Through the mutually supporting of puddler 3 and stirring leaf 4, be convenient for stir the mixture at the raw materials of the inside upside of agitator 1 of horizontal direction, wherein at puddler 3 pivoted in-process, driven dead lever 7 and spiral leaf 5 and rotated in step, be convenient for stir the raw materials of the inside downside of agitator 1 in the horizontal direction, effectively improved the stirring effect of equipment, combined scraper blade 6 and the mutually supporting of agitator 1 inner wall are convenient for strike off the raw materials of agitator 1 inner wall downside adhesion.

The reciprocating assembly comprises a driving gear 9, a driven gear 10, a reciprocating screw 11, a movable plate 12, a piston rod 13 and a poking plate 14, wherein the upper end of the stirring rod 3 extends out of the outer side of the cover plate 2 and is connected with the driving gear 9, a rotating shaft is rotatably arranged on the surface of the outer side of the cover plate 2, the driven gear 10 is arranged on the rotating shaft, the driving gear 9 is meshed with the driven gear 10, the lower end of the reciprocating screw 11 is fixedly connected with the upper end of the rotating shaft, the movable plate 12 is arranged on the reciprocating screw 11 in a threaded manner, two through holes are oppositely penetrated through the surface of the cover plate 2, the two piston rods 13 are respectively movably arranged in the two through holes, the upper end and the lower end of the piston rod 13 are respectively connected with the movable plate 12 and the scraping ring 8, and the poking plates 14 are obliquely fixed on one surface of the scraping ring 8, which is close to the stirring rod 3.

Through the meshing effect of driving gear 9 and driven gear 10, combine the normal running fit of pivot and apron 2, be convenient for when puddler 3 rotates, drive reciprocating screw 11 and rotate, under reciprocating screw 11 and fly leaf 12's screw-thread fit, the reciprocating motion about having driven fly leaf 12, combine piston rod 13 and through-hole's movable fit, and then drive the scraper ring 8 along agitator 1 inner wall up-and-down reciprocating motion, strike off the raw materials of agitator 1 inner wall upside adhesion, the raw materials of filling material in the prior art is stirring, lack corresponding clean mechanism, the stirring in-process, the raw materials adhere to the furnace body inner wall easily, cause the wasting of resources, and the drawback of the clearance after the inconvenient stirring is finished, wherein under the effect of the plectrum 14 of slope setting, stir the inside raw materials of agitator 1 in vertical direction through plectrum 14 in the in-process of scraper ring 8 up-and-down reciprocating motion, the stirring effect of raw materials has been further improved.

The bottom of the stirring barrel 1 is communicated with a discharge pipe 15, the lower end of the stirring rod 3 extends to the inner side of the discharge pipe 15, the lower part of the spiral blade 5 is matched with the inner cavity of the discharge pipe 15, and a valve is arranged on the discharge pipe 15.

The agitator 1 outside is provided with mount 16, and puddler 3 upper end is connected with servo motor 17, and apron 2 week side fixed surface is provided with a plurality of lugs 18, and apron 2 top is fixed with the backup pad 19 of L shape structure, and reciprocating screw 11 upper end and backup pad 19 normal running fit, servo motor 17 set up in backup pad 19 inboard, has ensured reciprocating screw 11's stability through backup pad 19, and wherein lug 18 is convenient for hoist and mount apron 2, shifts out the agitator 1 outside with members such as puddler 3 and stirring leaf 4.

The apron 2 surface one side intercommunication has feeder hopper 20, and agitator 1 lower part is the funnel-shaped structure, and agitator 1 comprises aluminium magnesium brick furnace body and the carbon tube inside lining of welding at aluminium magnesium brick furnace body inboard surface, and aluminium magnesium brick furnace body lower surface is equipped with the round hole, is provided with the outlet pipe in the round hole.

Examples:

when the stirring barrel is used, firstly, raw materials of filling materials are put into the stirring barrel 1 through the feed hopper 20, the servo motor 17 is started, the stirring rod 3 is driven to rotate through the servo motor 17, and in the process of rotating the stirring rod 3, the stirring blades 4, the spiral blades 5 and the fixed rods 7 are driven to synchronously rotate, so that the raw materials in the stirring barrel 1 are stirred and mixed;

Under the meshing action of the driving gear 9 and the driven gear 10, the reciprocating screw rod 11 is driven to rotate, the movable plate 12 is driven to reciprocate up and down under the threaded fit of the reciprocating screw rod 11 and the movable plate 12, and the piston rod 13 is combined with the movable fit of the through hole, so that the scraping ring 8 is driven to reciprocate up and down along the inner wall of the stirring barrel 1 to scrape the raw materials adhered to the upper side of the inner wall of the stirring barrel 1, and the defects that in the prior art, when the raw materials of filling materials are stirred, a corresponding cleaning mechanism is lacked, the raw materials are easy to adhere to the inner wall of a furnace body in the stirring process, so that resource waste is caused, and cleaning after the stirring is finished is inconvenient are overcome;

Wherein in the process of up-and-down reciprocating motion of the scraping ring 8, the stirring effect of the raw materials is further improved by stirring the raw materials in the stirring barrel 1 in the vertical direction through the stirring plate 14;

after the stirring is finished, a valve on the discharging pipe 15 is opened, and the mixed filling materials are output outwards under the action of the spiral blade 5.

Compared with the prior art, the stirring device has the advantages that the stirring rod 3, the stirring blade 4, the spiral blade 5 and the fixed rod 7 are matched with each other to stir and mix raw materials in the stirring barrel 1, and meanwhile, under the combined action of the driving gear 9, the driven gear 10, the reciprocating screw 11, the movable plate 12 and the piston rod 13, the obliquely arranged stirring plate 14 is driven to reciprocate up and down to stir the raw materials in the stirring barrel 1 in the vertical direction, so that the stirring effect of equipment is effectively improved, the defect that in the prior art, the stirring effect of the raw materials is poor because the stirring rod fixed on the rotating table is driven to rotate only by the motor to achieve the purpose of stirring the raw materials, the raw materials can be stirred only in a single direction, and the stirring mode is single;

Under the mutual matching of the scraping plate 6 and the scraping ring 8, the scraping plate moves along the inner wall of the stirring barrel 1 in the stirring process to scrape the raw materials adhered to the inner wall of the stirring barrel 1, so that the defects that in the prior art, when the raw materials of filling materials are stirred, corresponding cleaning mechanisms are lacked, the raw materials are easily adhered to the inner wall of a furnace body in the stirring process, resource waste is caused, and cleaning after the stirring is finished is inconvenient are overcome, and the use is convenient;

Simultaneously, the cover plate 2 and the stirring barrel 1 are fixedly connected through a plurality of bolts, the lifting lugs 18 are arranged on the combined cover plate 2, the cover plate 2 is conveniently lifted after the use is finished, and then the stirring rod 3, the stirring blade 4, the spiral blade 5, the scraping plate 6, the fixing rod 7, the scraping ring 8 and other components are driven to move out of the stirring barrel 1, so that the cleaning after the use is finished is further facilitated, and the components inside the stirring barrel 1 are overhauled, maintained and replaced.

It should be further noted that, the installation structure, connection mode or setting mode of each component in the utility model is a common mechanical mode, so long as the beneficial effects can be achieved, and the servo motor 17 in the utility model is purchased in the market, and the installation and use can be performed by the person skilled in the art according to the requirements;

The stirring barrel 1 is a prior art which is disclosed, and the specific structure thereof is not described herein.

All technical features in the embodiment can be freely combined according to actual needs.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides a stirring device of colliery filling exploitation filling material, includes agitator (1), its characterized in that, apron (2) are installed through the bolt to port on agitator (1), it is provided with puddler (3) to rotate on apron (2), puddler (3) surface upside is fixed with a plurality of stirring leaf (4), mutually support with agitator (1) inner chamber, puddler (3) surface downside is provided with spiral leaf (5), the inside downside of agitator (1) is provided with two scraper blades (6) relatively, be fixed with a plurality of dead levers (7) between scraper blade (6) and agitator (3), inside upside activity of agitator (1) is provided with scrapes ring (8), scraper blade (6) and scrape ring (8) all cooperate with agitator (1) inner wall, be provided with reciprocating motion subassembly between puddler (3) and the scraping ring (8).

2. The stirring device for filling materials in coal mine filling and mining according to claim 1, wherein the reciprocating assembly comprises a driving gear (9), a driven gear (10), a reciprocating screw rod (11), a movable plate (12), a piston rod (13) and a poking plate (14), the upper end of the stirring rod (3) extends out of the cover plate (2) and is connected with the driving gear (9), a rotating shaft is rotatably arranged on the surface of the cover plate (2) close to the outer side, the driven gear (10) is arranged on the rotating shaft, the driving gear (9) is meshed with the driven gear (10), the lower end of the reciprocating screw rod (11) is fixedly connected with the upper end of the rotating shaft, and the movable plate (12) is arranged on the reciprocating screw rod (11) in a threaded mode.

3. The stirring device for filling materials in coal mine filling exploitation according to claim 2, wherein two through holes are oppositely penetrated through the surface of the cover plate (2), two piston rods (13) are movably arranged in the two through holes respectively, the upper end and the lower end of each piston rod (13) are connected with a movable plate (12) and a scraping ring (8) respectively, and a plurality of stirring plates (14) are obliquely fixed on one surface of the scraping ring (8) close to the stirring rod (3).

4. A stirring device for filling and mining filling materials in a coal mine according to claim 3, wherein a discharging pipe (15) is communicated with the bottom of the stirring barrel (1), the lower end of the stirring rod (3) extends to the inner side of the discharging pipe (15), the lower part of the spiral blade (5) is matched with the inner cavity of the discharging pipe (15), and a valve is arranged on the discharging pipe (15).

5. The stirring device for filling and mining filling materials of a coal mine according to claim 4, wherein a fixing frame (16) is arranged on the outer side of the stirring barrel (1), a servo motor (17) is connected to the upper end of the stirring rod (3), a plurality of lifting lugs (18) are fixed on the surface of the periphery of the cover plate (2), a supporting plate (19) with an L-shaped structure is fixed on the top of the cover plate (2), the upper end of the reciprocating screw rod (11) is in rotary fit with the supporting plate (19), and the servo motor (17) is arranged on the inner side of the supporting plate (19).

6. The stirring device for filling and mining filling materials for coal mines according to claim 5, wherein one side of the surface of the cover plate (2) is communicated with a feed hopper (20), the lower part of the stirring barrel (1) is of a funnel-shaped structure, the stirring barrel (1) is composed of an aluminum-magnesium brick furnace body and a carbon tube lining welded on the inner side surface of the aluminum-magnesium brick furnace body, a round hole is formed in the lower surface of the aluminum-magnesium brick furnace body, and a water outlet pipe is arranged in the round hole.