CN2933797Y

CN2933797Y - Feeding device of concrete spraying machine

Info

Publication number: CN2933797Y
Application number: CN 200620030848
Authority: CN
Inventors: 朱明方; 郭红亮
Original assignee: HENAN GENGLI ELECTROMECHANICAL DEVELOPMENT Co Ltd
Current assignee: HENAN GENGLI ELECTROMECHANICAL DEVELOPMENT Co Ltd
Priority date: 2006-07-27
Filing date: 2006-07-27
Publication date: 2007-08-15
Anticipated expiration: 2016-07-27

Abstract

The utility model belongs to the technical field of engineering construction machine, relates to a feeding device of concrete injection machine, which comprises a charging hopper that is fixed on the charging hopper pedestal and a rotor block. The upper part of the charging hopper is provided with a screen mesh, the rotor block with annular configuration stock bin is under the charging hopper pedestal. The upper side and lower side of the rotor block are respectively provided with an upper seal pad and a lower seal pad. A pedestal is under the lower seal pad. The charging hopper pedestal and upper seal pad are provided with corresponding curved feed opening, and the feed opening corresponds to the stock bin of rotor block. The side of the charging hopper pedestal is provided with an inlet pipe nozzle that leads to the stock bin. A churn-dasher device is mounted inside the charging hopper. An elastic framework is mounted between the screen mesh and the charging hopper, and a vibrator is installed on the screen mesh. Because agitating and vibration are separate, the charging hopper doesn't vibrate, the churn-dasher device which is installed in the charging hopper gets the mixture mixed evenly and keeps the flow condition all the time, mixture doesn't cause disengagement, so the production efficiency can be improved.

Description

The drawing-in device of concrete sprayer

Technical field

The utility model belongs to the engineering construction field of mechanical technique, relates to a kind of drawing-in device of concrete sprayer.

Background technology

Wet concrete sprayer is applicable to construction of shotcrete in the support engineerings such as colliery, metallurgy, water power, railway, subway, architectural engineering.The wet shotcrete technology concrete is to utilize compressed air, according to a certain ratio concrete is mixed and stirred that material is carried by pipeline and high velocity jet to being subjected to setting and harden on the spray plane, thereby form concrete supporting.In recent years, concrete-spraying technology is with its simple technology, unique effect, economic cost and speed of application efficiently, in field extensive uses such as building, iron highway tunnel construction, mine working construction, slope reinforcements.Using more wet shot machine on the present domestic market is to improve the back a little to develop and next small-sized wet shot machine on the basis of former dry spraying machine, basic structure of its drawing-in device and former dry spraying machine are just the same, promptly on hopper, fix a vibrator, when the material chamber of rotor block rotates to the feed opening of hopper, the material that mixes and stirs after the vibration of hopper back warp is just fallen in the material chamber, rotation along with rotor block, the position of strip to discharging opening will be mixed and stirred in the material chamber, to mix and stir material by compressed air blows out, but this structure but cisco unity malfunction in the wet shot process, reason is to spray object variation has taken place, dry spraying machine spray to as if good fluidity, dry loose material, need not force to feed in raw material and just can realize free blanking, owing to have the gap between the material particles, can be in entering material chamber process successfully with the gas discharge in the material chamber; And the injection of wet shot machine is poly-strong with power to liking, viscosity is big, the concrete of mobile extreme difference mixes and stirs material, when work, concrete mix and stir material in hopper after the uninterrupted vibration of vibrator, not only do not flow, make concrete produce segregation on the contrary, below its aggregate is fallen, slurries in the above, stop up the generation arch bridge in the feed opening position of hopper, and vibration is firm more more, top concrete mixes and stirs material can't enter the material chamber at all, sometimes also the cement arch bridge can be shaken once in a while and collapse, have and mix and stir material on a small quantity and enter the material chamber, but new segregation and arch bridge be also in continuous generation, new obstruction is continuing again.In addition, equipment is when work, the concrete of thickness mixes and stirs material and has filled up hopper, fully capping feed opening, the material chamber has then become an airtight cavity, the air in the cavity can't be discharged, concrete mixes and stirs material also just can't capture the material chamber that has been occupied by air, therefore also can cause blanking to be obstructed, so, 7m in theory ³The wet shot machine of/h production capacity can only reach 1-1.5m in fact at most ³/ h, but also want frequent dismounting, cleaning.Bottom at discharging opening is equipped with cyclone, its effect is to connect conveyance conduit, and introduce compressed air by the bypass on the cyclone and blow and mix and stir material and be fed forward, cyclone generally is to be fixed on below the base plate of spraying machine with flange, two parts up and down of cyclone are to link together by flange, it is by the racing elbow that vertically becomes in the straight feeding process, add that concrete viscosity is big, mobile poor, very easily result in blockage, therefore, need regular cleaning, but the flange connection makes quite difficulty of dismounting, influences construction speed.

The utility model content

The purpose of this utility model provides a kind of production efficiency height, does not stop up, do not produce the drawing-in device of the concrete sprayer of segregation.

For achieving the above object, by the following technical solutions: a kind of drawing-in device of concrete sprayer, comprise the hopper that is fixed on the hopper seat, rotor block, hopper top is provided with screen cloth, below the hopper seat, be provided with the rotor block in annular row cloth chamber, on the rotor block, be respectively equipped with below, the lower seal dish, be provided with base below the lower seal dish, be provided with take-up device between hopper seat and the base, hopper seat and last seal disc correspondence are provided with the feed opening of arc, feed opening and rotor block material chamber correspondence, hopper seat side is provided with leads to the air inlet mouth of pipe of expecting the chamber, and the lower seal dish is provided with the discharging opening corresponding with the air inlet mouth of pipe, is provided with agitating device in the hopper, between screen cloth and hopper, be provided with elastic mechanism, vibrator is housed on screen cloth.

Be provided with the dividing plate that is connected with the hopper lower edge in the feed opening of last seal disc, have the gap between dividing plate lower edge and the feeding mouth plane, rotor block material chamber, dividing plate will expect that feeding mouth plane, chamber is divided into two parts.Described agitating device comprises vertical pivot, the stirring wing that is connected with vertical pivot, and vertical pivot is provided with sheath outward, is provided with sealing ring between sheath upper edge and the vertical pivot, and the sheath lower end is fixed on the hopper seat, and the vertical pivot lower end is connected with the rotor block center fixation.

Elastic mechanism by the bracing frame of fixed grit, the guide rod that connects bracing frame and hopper and guide rod suit and form with the spring that bracing frame is fixedlyed connected with hopper outward floats.

Vertical pivot top is provided with adapter sleeve, fixedlys connected with adapter sleeve in the upper end of stirring wing, and the stirring wing bottom is fixed with scraping wings, scraping wings lower end and hopper seat matched in clearance.

Base is provided with discharging opening, the discharging opening correspondence on this discharging opening and the lower seal dish, and when rotor block material chamber rotated to discharging opening, the air inlet mouth of pipe, material chamber, discharging opening were communicated with the formation passage.

Be provided with cyclone below discharging opening, cyclone is made up of two parts up and down, and cyclone top is provided with clamp, and the chute inserting of clamp and discharging opening both sides is also fixed cyclone by jackscrew, screws mode by overlap joint between two parts about the cyclone and fixes.

It is that cyclone is respectively equipped with link bolt and outwardly open hangers in two parts outside up and down that described overlap joint screws mode, screws bolt and inserts in the hangers by screwing nut and tight.

Hopper of the present utility model separates with screen cloth, the centre connects by spring, vibrator is fixed on the outer bracing frame of screen cloth, the screen cloth vibration is mixed and stirred and is fallen in the hopper after material sieves, separate owing to stir with vibration, the sharp power of shaking does not weaken by spring can be delivered to hopper, and the agitating device that is provided with in the hopper allows mix and stir expects to mix and remain flow regime, does not produce segregation; Push pedal below the agitator is rotated and will be mixed and stirred material and push feed opening and enter the material chamber, mixes and stirs material when the rotor block rotation is brought to the discharging opening position, by compressed air material is blown out feed opening and enters conveyance conduit.The dividing plate that is provided with in the hopper bottom is inserted to the feed opening bottom, and maintain the gap with material accent plane on the rotor block, when rotor block rotates, dividing plate is divided into charging, exhaust two parts with all circular cross-sections through the material chamber of feed opening, most of area is used for blanking, the gas of material in the chamber is then discharged from the another side of dividing plate, is occupied to cause by air with the space that prevents to expect the chamber and mixes and stirs material and can't enter and expect the chamber.Discharging opening both sides below the base plate are provided with chute, and the cyclone top is provided with clamp, clamp and chute inserting, and by jackscrew cyclone is fixed, during dismounting, unclamping jackscrew, cyclone can be taken out from chute; Cyclone two parts up and down connects by articulated manner, unclamps to screw nut, rotates hinged screw and just separates two parts up and down, the concrete that cleaning is stopped up rapidly.The utility model need not increase new actuating unit, have simple and reliable for structure, production efficiency is high, the uniform characteristics of discharging, actual production capacity is near theoretical designed capacity.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is an A-A cutaway view among Fig. 1.

The specific embodiment

As Fig. 1, shown in 2, the concrete sprayer drawing-in device comprises the hopper 7 that is fixed on the hopper seat 10, rotor block 13, hopper 7 tops are provided with screen cloth 3, screen cloth is fixed on the bracing frame 30, bracing frame 30 is connected on the hopper 7 by spring 5, be provided with guide rod 6 in the middle of the spring 5, vibrator 4 is fixed on the side of screen cloth bracing frame 30, in hopper 7, be provided with agitating device, agitating device comprises vertical pivot 8, the stirring wing 15 that is connected with vertical pivot 8, the vertical pivot 8 outer sheaths 27 that are set with, be provided with sealing ring 31 between sheath 27 upper edges and the vertical pivot 8, sealing ring 31 is a radial direction seal ring, the sheath lower end is fixed on the hopper seat 10, vertical pivot 8 lower ends are connected with rotor block 13 center fixation, and rotate and transmit moment of torsion with rotor block 13, cubic fixed by nut adapter sleeve 1 inside and outside vertical pivot 8 upper ends are passed through one, stirring wing 15 upper ends are fixed on the bottom of adapter sleeve 1, stirring wing 15 bottoms are fixed with scraping wings 9, scraping wings 9 lower ends and hopper seat 10 matched in clearance, below hopper 7, be provided with rotor block 13, rotor block 13 is feed mechanisms of a rotation, it is provided with uniform ringwise, 10 material chambeies 14 of up/down perforation, it is by the reducer output shaft driven rotary, on the rotor block 13, be respectively equipped with below, following

rubber seal dish

12,18, be provided with base 26 below the lower seal dish 18, be provided with take-up device 28 between hopper seat 10 and the base 26, hopper seat 10 and base 26 are tightened up the device tension, and rubber seal dish 12 about passing through, 18 with rotor block 13 sealings, take-up device 28 is made up of screw bolt and nut, rotate the nut of take-up device 28 and can adjust gap and the sealing property that the compensation rubber sealing mill decreases the back generation, last seal disc 12 and hopper seat 10 relevant positions are provided with the feed opening 11 of arc, material chamber 14 correspondences of feed opening 11 and rotor block 13, in feed opening 11, be provided with the dividing plate 32 that is connected with hopper 7 lower edges, dividing plate 32 is an arc-shaped partition, with feed opening 11 form fit, has the gap between dividing plate 32 lower edges and the 14 feeding mouth planes, rotor block 13 material chambeies, dividing plate 32 will expect that 14 feeding mouth planes, chamber are divided into two parts, when rotor block 13 rotations, dividing plate 32 is divided into charging with all material chamber circular cross-sections through feed opening 11, exhaust two parts, hopper seat 10 sides are provided with leads to the air inlet mouth of pipe 16 of expecting chamber 14, lower seal dish 18, the relevant position is provided with the discharging opening 29 corresponding with the air inlet mouth of pipe 16 on the base 26, when rotor block 13 material chambeies 14 rotate to discharging opening 29, the air inlet mouth of pipe 16, material chamber 14, discharging opening 29 forms passage, below base plate 26, discharging opening 29 both sides are provided with chute 19, the cyclone top is provided with clamp 20, clamp 20 insertings are in chute 19, by jackscrew 24 cyclone is fixed, cyclone top and the bottom 23, screwing mode by overlap joint between 25 fixes, described overlapping mode is cyclone two parts 23 up and down, 25 outsides are respectively equipped with link bolt 22 and outwardly open hangers 33, and bolt 22 inserts in the hangers 33 also by nut 21 can two parts be fastening up and down with cyclone.

Claims

1, a kind of drawing-in device of concrete sprayer, comprise the hopper that is fixed on the hopper seat, rotor block, hopper top is provided with screen cloth, below the hopper seat, be provided with the rotor block in annular row cloth chamber, on the rotor block, be respectively equipped with below, the lower seal dish, be provided with base below the lower seal dish, be provided with take-up device between hopper seat and the base, hopper seat and last seal disc correspondence are provided with the feed opening of arc, feed opening and rotor block material chamber correspondence, hopper seat side is provided with leads to the air inlet mouth of pipe of expecting the chamber, the lower seal dish is provided with the discharging opening corresponding with the air inlet mouth of pipe, it is characterized in that, is provided with agitating device in the hopper, between screen cloth and hopper, be provided with elastic mechanism, vibrator is housed on screen cloth.

2, the drawing-in device of concrete sprayer as claimed in claim 1, it is characterized in that, be provided with the dividing plate that is connected with the hopper lower edge in the feed opening of last seal disc, have the gap between dividing plate lower edge and the feeding mouth plane, rotor block material chamber, dividing plate will expect that feeding mouth plane, chamber is divided into two parts.

3, concrete jet feeding device as claimed in claim 1 or 2, it is characterized in that, described agitating device comprises vertical pivot, the stirring wing that is connected with vertical pivot, vertical pivot is provided with sheath outward, be provided with sealing ring between sheath upper edge and the vertical pivot, the sheath lower end is fixed on the hopper seat, and the vertical pivot lower end is connected with the rotor block center fixation.

4, the drawing-in device of concrete sprayer as claimed in claim 3 is characterized in that, elastic mechanism by the bracing frame of fixed grit, the guide rod that connects bracing frame and hopper and guide rod suit and form with the spring that bracing frame is fixedlyed connected with hopper outward floats.

5, the drawing-in device of concrete sprayer as claimed in claim 4 is characterized in that, vertical pivot top is provided with adapter sleeve, fixedlys connected with adapter sleeve in the upper end of stirring wing, and the stirring wing bottom is fixed with scraping wings, scraping wings lower end and hopper seat matched in clearance.

6, the drawing-in device of concrete sprayer as claimed in claim 5, it is characterized in that base is provided with discharging opening, the discharging opening correspondence on this discharging opening and the lower seal dish, when rotor block material chamber rotated to discharging opening, the air inlet mouth of pipe, material chamber, discharging opening were communicated with the formation passage.

7, the drawing-in device of concrete sprayer as claimed in claim 6, it is characterized in that, below discharging opening, be provided with cyclone, cyclone is made up of two parts up and down, cyclone top is provided with clamp, the chute inserting of clamp and discharging opening both sides is also fixed cyclone by jackscrew, and cyclone screws mode by overlap joint between two parts up and down and fixes.

8, the drawing-in device of concrete sprayer as claimed in claim 7, it is characterized in that, it is that cyclone is respectively equipped with link bolt and outwardly open hangers in two parts outside up and down that described overlap joint screws mode, screws bolt and inserts in the hangers by screwing nut and tight.