CN113290698A

CN113290698A - Concrete mixing device for building engineering

Info

Publication number: CN113290698A
Application number: CN202110694508.6A
Authority: CN
Inventors: 尹宏伟
Original assignee: Xuzhou Hongxiang Machinery Manufacturing Co ltd
Current assignee: Xuzhou Hongxiang Machinery Manufacturing Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-08-24

Abstract

The invention discloses a concrete stirring device for constructional engineering, which comprises an external stable combination, a lifting mechanism, a gas gathering component, a material containing mechanism, a stirring mechanism and a water-gas spraying combination, wherein the external stable combination comprises a limiting ring for controlling the internal stability of the device, the lifting mechanism is arranged on the external stable combination, the gas gathering component comprises a transmission part and an airflow pressurizing part, and the airflow pressurizing part comprises an outer cover. Utilize the activity to cup joint in the (mixing) shaft bottom and be located the emission of control base control concrete under the anti-blocking piece, after the material discharges to the inner chamber of inner tube and stirring along the guide piece and accomplishes, utilize the state that inner tube self is parallel with vertical direction, can make the concrete residue under the dilution state flow to the inboard of base along the inner wall of inner tube, and control the remaining emission of concrete through the rotation control base, thereby can avoid the concrete residue to adsorb on the inner tube, the problem that leads to the total mass of device inner tube to increase appears.

Description

Concrete mixing device for building engineering

Technical Field

The invention relates to the field of constructional engineering, in particular to a concrete stirring device for constructional engineering.

Background

The concrete stirring device is a machine for mixing cement, sand aggregate and water in proportion, the existing concrete stirring device can be divided into two types of falling type and forced type according to the working principle, the falling type stirring device is suitable for stirring plastic concrete, the forced type stirring device has stronger stirring action than the falling type stirring device, and dry and hard concrete and light aggregate concrete are suitable for stirring.

According to the aforesaid two types of concrete mixing device, because the concrete combines the grit, the coagulability in the water back certain period is lower again, two types of concrete mixing device now are when handling the concrete of different properties, a large amount of concrete can remain on agitating unit's inner wall, owing to receive the radian influence of agitating unit inner tube, the concrete of stirring at every turn all can produce a large amount of residuals, thereby cause the total mass of churn to increase gradually, the operating efficiency of motor and the stirring efficiency of churn self have been increased simultaneously, and current concrete mixing device's clearance mode is hardly taken away the residue in the agitating unit inner tube with rivers.

The defects of the two existing concrete mixing devices in use are the technical difficulties which the inventor needs to solve.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows:

the concrete mixing device for the building engineering comprises an external stable combination, a lifting mechanism, a gas gathering assembly, a material containing mechanism, a mixing mechanism and a water-gas spraying combination, wherein the external stable combination comprises a limiting ring for stabilizing the inside of a control device, the lifting mechanism is arranged on the external stable combination, the gas gathering assembly comprises a transmission part and a gas flow pressurizing part, the gas flow pressurizing part comprises an outer cover, a turbine combination arranged in an inner cavity of the outer cover and a gas flow pipe connected to the outer cover, the material containing mechanism comprises a material mixing combination and an auxiliary part arranged outside the material mixing combination, the material mixing combination comprises an inner tube, a base arranged on the inner tube, a conveying pipe connected to the middle part of the base and a control base connected to the base, the mixing mechanism comprises a mixing shaft positioned in the middle part of the control base and an anti-blocking part and a material mixing combination arranged on the mixing shaft, and a water tank mounted on the airbag.

Through adopting above-mentioned technical scheme, refer to and show, when the control (mixing) shaft carries out high-speed rotation in advance, utilize rivers to get into in the water tank, and under the compression of gasbag inner chamber high pressure draught, can make the water in the water tank form highly compressed rivers through the shower nozzle, and spray the inner wall at the inner tube, at this moment, the injection of rivers and the acting in advance of (mixing) shaft, can carry out the intensive mixing stirring with the concrete raw materials, can solve the drawback that leads to the inside jam of inner tube after the concrete raw materials is input earlier simultaneously, the high pressure draught of shower nozzle injection can carry out quick clearance with the remaining residue behind the concrete mixing of every turn simultaneously.

The present invention in a preferred example may be further configured to: the external stable combination further comprises a protective shell, a material guide piece connected in the groove in the top of the protective shell, a material guide groove installed in the material guide piece and a material discharging piece connected to the bottom of the protective shell.

Through adopting above-mentioned technical scheme, through setting up the auxiliary member in the outside of inner tube, utilize the annular bulge of auxiliary member bottom to peg graft in the recess at spacing ring top to under protective housing self to the bearing of inner tube and support, can make the device can remain stably when the operation is used.

The present invention in a preferred example may be further configured to: the lifting mechanism comprises a bearing frame arranged on one side outside the protective shell, a sliding piece inserted in a sliding groove in the inner side of the bearing frame and a car hopper connected to the sliding piece.

Through adopting above-mentioned technical scheme, utilize the outside fixed mounting bearing frame at protecting sheathing, utilize the slider with car hopper swing joint in the inboard spout of bearing frame simultaneously, because the device is vertical state, set up the car hopper that makes things convenient for the transported substance material, can improve the device's work efficiency, can distribute the various materials of concrete in proportion in the outside of device simultaneously.

The present invention in a preferred example may be further configured to: the transmission part comprises a transmission part meshed with the turbine assembly, a chain connected outside the transmission part and a servo motor positioned on the inner side of the chain.

Through adopting above-mentioned technical scheme, set up servo motor to utilize the chain to drive (mixing) shaft and driving medium in proper order, can effectually utilize servo motor's acting, improved mobility and convenience when the device wholly moves simultaneously.

The present invention in a preferred example may be further configured to: the bottom of auxiliary member is connected with the gasket that is the annular and distributes, just the annular arch of auxiliary member bottom with the annular groove at spacing ring top corresponds each other.

Through adopting above-mentioned technical scheme, set up two spacing rings on protective housing's inner chamber lateral wall, utilize the mutual block between auxiliary member and the spacing ring simultaneously, after the inner tube inner chamber pours into the material into, under the overhead fixed of spacing ring to auxiliary member and inner tube, can reduce the holistic vibrations of device.

The present invention in a preferred example may be further configured to: the water-air spraying combination also comprises a hose arranged at the bottom of the air bag and a spray head connected to the bottom of the water tank.

Through adopting above-mentioned technical scheme, utilize the bottom installation many places hose at the gasbag to reduce the internal diameter of hose, simultaneously at the bottom installation of water tank the shower nozzle that the angle of inclination is presented, and utilize the extrusion of high-pressure draught to the inside water of shower nozzle in the gasbag, receive the inside fine and close hole influence in many places of shower nozzle, the inboard of base when the impact force of the rivers formation of shower nozzle injection department can be with the concrete residue quick flush of inner tube inner wall, and discharge.

The present invention in a preferred example may be further configured to: the transmission part is composed of two gears with the same type and a vertical rod, one gear is meshed with the chain, and the other gear is meshed with a fluted disc in the turbine assembly.

Through adopting above-mentioned technical scheme, movable mounting driving medium in two notches of the outside opposite side of protecting sheathing to under the drive action of chain, the driving medium can be with the extra kinetic energy dispersion that the servo motor operation produced to the turbine combination on, thereby improved servo motor kinetic energy's utilization ratio.

The present invention in a preferred example may be further configured to: the bottom disc of the stirring shaft is externally provided with tooth openings distributed annularly, and the tooth openings outside the bottom disc of the stirring shaft are matched with the chains.

Through adopting above-mentioned technical scheme, with (mixing) shaft movable mounting to the inner chamber of inner tube to set up the tooth mouth on the disc of (mixing) shaft bottom, the rotation that utilizes to set up the (mixing) shaft comes to stir the concrete and mixes, can reduce the noise that produces behind the whole operation of device, simultaneously under the effect of preventing stifled piece, can avoid the inboard problem appearance that takes place to block up of base.

The present invention in a preferred example may be further configured to: the control base is externally provided with a control rod, the outer end of the control rod penetrates through the outer part of the protective shell, and the vertical cylinder at the top of the control base is matched with the inner cavity of the conveying pipe.

Through adopting above-mentioned technical scheme, offer the notch that two places and conveying pipeline outside notch communicate each other on the vertical cylinder at control base top, rotate along base bottom recess through control base, can make things convenient for the quick control of operating personnel to concrete emission.

The present invention in a preferred example may be further configured to: the shower nozzle is 45 degrees contained angles along vertical direction, just the shower nozzle embeds there is fine and close through-hole, the bottom of shower nozzle is hugged closely on the inside wall of inner tube.

Through adopting above-mentioned technical scheme, be ring shape fixed mounting with the shower nozzle in the bottom of water tank to utilize the bottom of shower nozzle to hug closely on the inner wall of inner tube, after the pressurization of the inside rivers process shower nozzle of water tank, the high pressure rivers of shower nozzle injection department can be with the effectual washing away of concrete residue, thereby can avoid concrete residue to bond at the inner wall of inner tube.

By adopting the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the inner cylinder is arranged, the bottom of the inner cylinder is connected with the base, the conveying pipe is arranged in the middle of the inner side of the base, the control base which is movably sleeved at the bottom of the stirring shaft and is positioned right below the anti-blocking piece is used for controlling the discharge of concrete, after the material is discharged to the inner cavity of the inner cylinder along the material guiding piece and is stirred, the concrete residue in a diluted state can flow to the inner side of the base along the inner wall of the inner cylinder by using the state that the inner cylinder is parallel to the vertical direction, the discharge of the concrete residue is controlled by rotating the control base, and therefore, the problem that the total mass of the inner cylinder of the device is increased due to the fact that the concrete residue is adsorbed on the inner cylinder can be avoided.

2. In the invention, according to the above, the stirring mechanism is arranged in the middle of the base, the stirring shaft in the stirring mechanism, the anti-blocking piece and the mixing material combination are positioned at the central shaft position of the inner barrel, when materials such as cement, sand and stone are introduced into the inner cavity of the inner barrel in proportion, because the inner cylinder is in a vertical state, the materials are collected to the inner side of the base, so that the stirring shaft is difficult to rotate, therefore, according to the using mode, the servo motor is started to drive the chain and drive the stirring shaft to rotate in the middle of the inner cylinder in advance, the external nozzle is connected to the nozzle inlet channel outside the inner barrel, the materials are guided into the inner cavity of the inner barrel during the period that the water is slowly discharged to enter the inner side of the base, the materials can be rapidly stirred by the stirring mechanism in the working state under the condition of water mixed materials, meanwhile, the anti-blocking piece is tightly attached to the base, and the discharge hole of the conveying pipeline blocked by sand and stones can be reduced.

3. According to the invention, as shown above, when the concrete is discharged, the residual concrete residues are attached to the inner wall of the inner cylinder, at the moment, under the operation of the servo motor, the transmission part drives the turbine combination to operate in the inner cavity of the outer cover in sequence, when the inner part of the outer cover generates air pressure under the action of the turbine combination, the air pressure in the outer cover flows into the inner cavity of the air bag by utilizing the dredging of the airflow pipe, the water in the water tank is discharged from the inclined nozzle by the expanded air bag and flows along the inner wall of the inner cylinder, so that the concrete residues can be quickly sprayed by the water flowing along the inner wall of the inner cylinder, and the normal operation of the device is prevented from being hindered by the concrete residues.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic side bottom view of an embodiment of the present invention;

FIG. 3 is a schematic illustration of a partially dispersed structure according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the internal structure of FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a partial cross-sectional view of FIG. 4 and a schematic view of a discrete structure thereof according to an embodiment of the present invention;

FIG. 6 is a partial bottom view of the structure of FIG. 4 in accordance with one embodiment of the present invention;

FIG. 7 is a schematic diagram of the partial dispersion and its cross-sectional structure of FIG. 6 according to one embodiment of the present invention;

FIG. 8 is a schematic diagram of the internal cross-section and the dispersed structure of FIG. 7 according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of the scattering structure of FIG. 8 according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of the partially dispersed structure of FIG. 7 in accordance with one embodiment of the present invention;

FIG. 11 is a partial schematic structural view of FIG. 7 in accordance with an embodiment of the present invention;

FIG. 12 is a cross-sectional view and a bottom view of FIG. 11 according to an embodiment of the present invention.

Reference numerals:

100. an external stable combination; 110. a protective housing; 120. a material guide member; 130. a material guide chute; 140. a limiting ring; 150. discharging the material;

200. a lifting mechanism; 210. a bearing frame; 220. a slider; 230. a car hopper;

300. a gas collection assembly; 310. a servo motor; 320. a chain; 330. a transmission member; 340. a turbine assembly; 350. a housing; 360. an airflow duct;

400. a material containing mechanism; 410. mixing materials and combining; 420. an auxiliary member; 411. an inner barrel; 412. a base; 413. a delivery pipe; 414. a control base;

500. a stirring mechanism; 510. a stirring shaft; 520. an anti-blocking piece; 530. mixing materials and combining;

600. water and gas spraying combination; 610. a top cover; 620. an air bag; 630. a hose; 640. a water tank; 650. and (4) a spray head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention.

The concrete mixing device for construction engineering provided by some embodiments of the invention is described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 3, 5, 7, 8, 10 and 11, the concrete mixer for construction engineering according to the present invention includes an external stable assembly 100, a lifting mechanism 200, a gas gathering assembly 300, a material accommodating mechanism 400, a mixing mechanism 500 and a water-gas spraying assembly 600, wherein the lifting mechanism 200 is mounted on the external stable assembly 100 for lifting the input of materials and the proportioning of the materials, the gas gathering assembly 300 is mounted in the external stable assembly 100, the material accommodating mechanism 400 is mounted in the external stable assembly 100, the mixing mechanism 500 is linked to the gas gathering assembly 300, and the water-gas spraying assembly 600 is mounted on the gas gathering assembly 300.

The external stable assembly 100 comprises a protective shell 110, a material guiding member 120, a material guiding groove 130, a limiting ring 140 and a material discharging member 150, the lifting mechanism 200 comprises a bearing frame 210, a slider 220 and a car hopper 230, meanwhile, the gas gathering assembly 300 comprises a servo motor 310, a chain 320, a transmission member 330, a turbine assembly 340, an outer cover 350 and an air flow pipe 360, the material containing mechanism 400 comprises a material mixing assembly 410 and an auxiliary member 420, the material mixing assembly 410 further comprises an inner cylinder 411, a base 412, a material conveying pipe 413 and a control base 414, wherein the stirring mechanism 500 comprises a stirring shaft 510, an anti-blocking member 520 and a material mixing assembly 530, and the water gas spraying assembly 600 comprises a top cover 610, an air bag 620, a hose 630, a water tank 640 and a spray head 650.

Specifically, the external stable combination 100 comprises a limiting ring 140 for controlling the internal stability of the device, the lifting mechanism 200 is installed on the external stable combination 100, the gas gathering component 300 comprises a transmission part and a gas flow pressurizing part, the gas flow pressurizing part comprises an outer cover 350, a turbine combination 340 installed in an inner cavity of the outer cover 350 and a gas flow pipe 360 connected to the outer cover 350, the material containing mechanism 400 comprises a material mixing combination 410 and an auxiliary part 420 installed outside the material mixing combination 410, the material mixing combination 410 comprises an inner cylinder 411, a base 412 installed on the inner cylinder 411, a material conveying pipe 413 connected to the middle part of the base 412 and a control base 414 connected to the base 412, the stirring mechanism 500 comprises a stirring shaft 510 located in the middle part of the control base 414, an anti-blocking part 520 and a material mixing combination 530 installed on the stirring shaft 510, and a water tank 640 installed on the air bag 620, the water tank 640 enters the water tank 640 by water flow, and is compressed by high-pressure gas flow in the inner cavity of the air bag 620, can make the water in the water tank 640 can form highly compressed rivers through shower nozzle 650 to spray at the inner wall of inner tube 411, at this moment, the injection of rivers and the doing work in advance of (mixing) shaft 510 can carry out the intensive mixing stirring with the concrete raw materials, can solve the drawback that leads to the inside jam of inner tube 411 after the concrete raw materials is input earlier simultaneously, the remaining residue carries out quick clearance behind the concrete mixing of shower nozzle 650 jet high pressure water flow can every time.

Example two:

with reference to fig. 1 and 6, according to the first embodiment, an auxiliary member 420 is disposed outside the inner cylinder 411, an annular protrusion at the bottom of the auxiliary member 420 is inserted into a groove at the top of the limit ring 140, and the device can be kept stable during operation and use under the load bearing and supporting of the inner cylinder 411 by the protective shell 110 itself, two limit rings 140 are disposed on the sidewall of the inner cavity of the protective shell 110, and the auxiliary member 420 and the limit rings 140 are engaged with each other, so that after the inner cavity of the inner cylinder 411 is filled with materials, the vibration of the whole device can be reduced under the overhead fixing of the limit rings 140 to the auxiliary member 420 and the inner cylinder 411, the external stabilization assembly 100 further includes the protective shell 110, a material guiding member 120 connected in the groove at the top of the protective shell 110, a material guiding chute 130 installed in the material guiding member 120, and a material discharging member 150 connected at the bottom of the protective shell 110, and a gasket annularly distributed is connected at the bottom of the auxiliary member 420, and the annular protrusion at the bottom of the auxiliary member 420 corresponds to the annular groove at the top of the retainer ring 140.

Example three:

referring to fig. 3 and 5, in the above embodiments, the bearing frame 210 is fixedly installed outside the protective casing 110, and the car hopper 230 is movably connected to the sliding slot inside the bearing frame 210 by the sliding member 220, since the device is in a vertical state, the car hopper 230 is provided to facilitate material transportation, which can improve the working efficiency of the device and facilitate the distribution of operators to various material proportions of concrete, the lifting mechanism 200 includes the bearing frame 210 installed on one side outside the protective casing 110, the sliding member 220 inserted into the sliding slot inside the bearing frame 210, and the car hopper 230 connected to the sliding member 220, in some embodiments, the sliding member 220 can be controlled by a cable tension method, and the car hopper 230 can be provided with a plurality of car hoppers for storing different materials to reduce the moisture of concrete.

Example four:

referring to fig. 7, in the above embodiment, the stirring shaft 510 and the transmission member 330 are sequentially driven by the chain 320, so that the work of the servo motor 310 can be effectively utilized, meanwhile, the maneuverability and the convenience of the whole operation of the device are improved, and the transmission parts 330 are movably arranged in two notches at the other side of the outer part of the protective shell 110, and under the driving action of the chain 320, the driving member 330 can disperse the additional kinetic energy generated by the operation of the servo motor 310 to the turbine assembly 340, thereby improving the utilization rate of the kinetic energy of the servo motor 310, the transmission part comprises a transmission part 330 meshed with the turbine assembly 340, a chain 320 connected outside the transmission part 330 and the servo motor 310 positioned inside the chain 320, the transmission part 330 is composed of two gears with the same type and a vertical rod, and one gear is engaged with the chain 320 and the other gear is engaged with a toothed disc in the worm gear assembly 340.

Example five:

referring to fig. 9 and 11, in the above embodiment, the inner diameter of the hose 630 is reduced, the nozzle 650 inclined at an angle of 45 degrees is installed at the bottom of the water tank 640, the water in the nozzle 650 is squeezed by the high-pressure air flow in the air bag 620, and is affected by the fine holes in the nozzle 650, the impact force generated by the water flow at the nozzle 650 can quickly wash the concrete residue on the inner wall of the inner cylinder 411, the nozzle 650 is fixedly installed at the bottom of the water tank 640, and is tightly attached to the inner wall of the inner cylinder 411 by the bottom end of the nozzle 650, when the water flow in the water tank 640 is pressurized by the nozzle 650, the high-pressure air flow at the nozzle 650 can effectively wash away the concrete residue, so as to avoid the problem that the concrete residue is adhered to the inner wall of the inner cylinder 411, the water-air spray assembly 600 further comprises the hose 630 installed at the bottom of the air bag 620 and the nozzle 650 connected to the bottom of the water tank 640, the nozzle 650 forms an included angle of 45 degrees along the vertical direction, a fine through hole is formed in the nozzle 650, and the bottom end of the nozzle 650 is closely attached to the inner sidewall of the inner cylinder 411.

Example six:

referring to fig. 9 and 10, in the above embodiment, the stirring shaft 510 is movably mounted in the inner cavity of the inner cylinder 411, the teeth are formed in the disc at the bottom of the stirring shaft 510, the concrete is stirred and mixed by utilizing the rotation of the stirring shaft 510, the noise generated after the whole operation of the device can be reduced, meanwhile, under the action of the anti-blocking member 520, the problem that the inner side of the base 412 is blocked can be avoided, the disc at the bottom of the stirring shaft 510 is externally provided with the teeth distributed in an annular manner, and the teeth outside the disc at the bottom of the stirring shaft 510 are adapted to the chain 320.

Example seven:

referring to fig. 9, in the above embodiment, two notches communicated with the external notch of the feeding pipe 413 are formed in the vertical cylinder at the top of the control base 414, and the control base 414 rotates along the bottom groove of the base 412, so that the operator can conveniently and rapidly control the concrete discharge, a control rod is arranged outside the control base 414, the outer end of the control rod penetrates through the outside of the protective casing 110, and the vertical cylinder at the top of the control base 414 is matched with the inner cavity of the feeding pipe 413.

The working principle and the using process of the invention are as follows:

before use: an operator needs to fixedly install the material conveying pipe 413 in the middle of the inner side of the base 412, needs to insert the stirring shaft 510 into the inner cavity of the inner cylinder 411, then fixedly installs the material mixing combination 530 and the anti-blocking piece 520 on the stirring shaft 510 in sequence, and inserts the control base 414 on the stirring shaft 510, so that the control base 414 is located at the bottom of the base 412, then clamps the control base 414 in the grooves at the bottom of the base 412 along the arc-shaped clamping blocks at two sides of the top of the control base 414, and then fixedly welds the auxiliary piece 420 outside the inner cylinder 411;

before use: after the above operations are completed, the external chassis is used to fix the servo motor 310 at the bottom of the protective housing 110, the gear on the shaft at the top of the servo motor 310 is arranged in the notch at the outside of the protective housing 110, the turbine assembly 340 is installed inside the outer cover 350, the outer cover 350 is fixedly installed outside the protective housing 110, the chain 320 is used to sequentially engage the gear in the servo motor 310 and the fluted disc and the transmission member 330 in the stirring shaft 510, and another gear in the transmission member 330 is used to drive the turbine assembly 340 to rotate;

before use: while installing the servo motor 310, an operator needs to insert the assembled material accommodating mechanism 400 into the annular groove at the top of the limiting ring 140 along the internal auxiliary member 420, and then fix the material guiding chute 130 and the material guiding member 120 in the notch at the top of the protective casing 110, so that the bottom of the material guiding member 120 extends to the inner cavity of the inner cylinder 411, and fix the discharging member 150 at the bottom of the inner cavity of the protective casing 110, so that the groove at the inner side of the discharging member 150, the stirring shaft 510 and the material conveying pipe 413 are located in the same vertical plane;

when in use: an operator needs to start the servo motor 310 in advance, when the servo motor 310 drives the chain 320 and sequentially drives the stirring shaft 510 and the transmission part 330, at this time, the transmission part 330 can drive the turbine assembly 340 to rotate in the outer cover 350, after external air flow enters the inner cavity of the outer cover 350 along the hole outside the outer cover 350, under the action of the fan blades of the turbine assembly 340, high-pressure air flow formed in the inner cavity of the outer cover 350 can be conducted into the air bag 620 through the air flow pipe 360, meanwhile, an external nozzle is connected to the nozzle outside the inner barrel 411, the external nozzle enters the water tank 640 through water diversion, and under the action of the high-pressure air flow in the air bag 620, water in the water tank 640 can be sprayed to the inner wall of the inner barrel 411 through a high-pressure water flow mode of the nozzle 650, so that the device can quickly mix concrete raw materials, and meanwhile, concrete residues can be prevented from being adhered to the inner wall of the inner barrel 411.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. Concrete mixing device for building engineering, its characterized in that includes:

an external stabilization assembly (100) comprising a stop collar (140) for controlling the internal stabilization of the device;

a lifting mechanism (200), the lifting mechanism (200) being mounted on the outboard stabilizing assembly (100);

an air gathering assembly (300) comprising a transmission portion and an airflow pressurizing portion;

the airflow pressurizing part comprises a housing (350), a turbine assembly (340) arranged in the inner cavity of the housing (350) and an airflow pipe (360) connected to the housing (350);

the material containing mechanism (400) comprises a material mixing combination (410) and an auxiliary piece (420) arranged outside the material mixing combination (410);

the mixing combination (410) comprises an inner cylinder (411), a base (412) arranged on the inner cylinder (411), a material conveying pipe (413) connected to the middle part of the base (412), and a control base (414) connected to the base (412);

the stirring mechanism (500) comprises a stirring shaft (510) positioned in the middle of the control base (414), and an anti-blocking piece (520) and a mixing combination (530) which are arranged on the stirring shaft (510);

the water-air spraying combination (600) comprises a top cover (610) arranged on the inner barrel (411), an air bag (620) positioned at the bottom of the top cover (610) and a water tank (640) arranged on the air bag (620).

2. The concrete mixer for construction engineering according to claim 1, wherein the external stabilization assembly (100) further comprises a protective shell (110), a material guiding member (120) connected in a groove at the top of the protective shell (110), a material guiding chute (130) installed in the material guiding member (120), and a material discharging member (150) connected at the bottom of the protective shell (110).

3. The concrete mixer for construction work according to claim 1, wherein the lifting mechanism (200) includes a bearing frame (210) installed at one side of the outside of the protective housing (110), a slider (220) inserted into a sliding groove at an inside of the bearing frame (210), and a hopper (230) connected to the slider (220).

4. The concrete mixer for construction engineering according to claim 1, wherein the transmission part comprises a transmission member (330) engaged with the turbine assembly (340), a chain (320) connected to the outside of the transmission member (330), and a servo motor (310) located inside the chain (320).

5. The concrete mixing device for the construction engineering according to claim 1, characterized in that the bottom of the auxiliary member (420) is connected with a gasket which is distributed in an annular shape, and the annular protrusion at the bottom of the auxiliary member (420) is corresponding to the annular groove at the top of the limiting ring (140).

6. The concrete mixer for construction engineering according to claim 1, wherein the water-air spray assembly (600) further comprises a hose (630) installed at the bottom of the air bag (620) and a spray head (650) connected to the bottom of the water tank (640).

7. The concrete mixing apparatus for building engineering according to claim 4, wherein the transmission member (330) is composed of two gears of the same type and a vertical rod, and one of the gears is engaged with the chain (320) and the other gear is engaged with the toothed disc in the turbine assembly (340).

8. The concrete mixer for building engineering according to claim 1, characterized in that the bottom disc of the mixer shaft (510) is externally provided with annularly distributed tooth openings, and the tooth openings outside the bottom disc of the mixer shaft (510) are adapted to the chain (320).

9. The concrete mixer for construction engineering according to claim 1, characterized in that a control rod is externally arranged on the control base (414), the outer end of the control rod penetrates the outside of the protective shell (110), and a vertical cylinder at the top of the control base (414) is matched with the inner cavity of the feed delivery pipe (413).

10. The concrete mixing device for the construction engineering as claimed in claim 1, wherein the nozzle (650) has an included angle of 45 degrees in a vertical direction, and a fine through hole is built in the nozzle (650), and a bottom end of the nozzle (650) is closely attached to an inner sidewall of the inner cylinder (411).