CN210282753U

CN210282753U - Concrete mixing equipment is used in civil engineering construction

Info

Publication number: CN210282753U
Application number: CN201920945229.0U
Authority: CN
Inventors: 张一帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-04-10
Anticipated expiration: 2029-06-22

Abstract

The utility model discloses a concrete mixing equipment for civil engineering construction, which comprises a mixing tank body and a fixed frame, wherein the fixed frame is arranged at the lower end of the mixing tank body, two motor reinforcing devices are additionally arranged on a frame plate for installing a mixing motor, and the two novel motor reinforcing devices can apply outward tension or inward tension between the frame plate and the mixing tank body by adjusting the length of the two novel motor reinforcing devices, so that the frame plate can be fixed more firmly by the dual functions of four fixed sleeves and two motor reinforcing devices, and when inward tension is applied between the frame plate and the mixing tank body by the motor reinforcing devices, the condition that the frame plate is deformed and damaged due to larger pressure generated on the frame plate by larger power when the mixing motor is used can be effectively prevented, thereby ensuring that the motor can always work under the normal installation state, the concrete stirring can be rapidly and stably carried out.

Description

Concrete mixing equipment is used in civil engineering construction

Technical Field

The utility model belongs to the technical field of the agitated vessel is relevant, concretely relates to concrete mixing equipment is used in civil engineering construction.

Background

The concrete mixing is an operation method for mixing and uniformly mixing materials such as cement, lime, water and the like, and the concrete mixing is divided into two types: the concrete mixing plant is widely applied to construction projects of industry, agriculture, traffic, national defense, water conservancy, municipal administration and the like in China, the demand is increasing continuously, and the concrete mixer is a machine for mixing cement, gravel aggregate and water into a concrete mixture, mainly comprises a mixing cylinder, a feeding and discharging mechanism, a water supply system, a prime motor, a transmission mechanism, a rack, a supporting device and the like, and is divided into an intermittent type (batch type) and a continuous type according to the working property; according to the stirring principle, the method is divided into a self-falling type method and a forced type method; the device is divided into a fixed type and a movable type according to the installation mode; dividing a tilting type and a non-tilting type according to a discharging mode; according to the structure of the mixing drum, the mixing drum is divided into a pear type, a drum type, a double cone, a disc vertical shaft type, a circular groove horizontal shaft type and the like.

Patent document publication No. 208491863U discloses a mixer, including: a body having a motor and a vacuum pump; a container detachably mounted on the body and including a processing member and a container cover; a first vacuum tube connected to a vacuum pump; a soundproof cover detachably attached to the body to cover the container, the soundproof cover having an internal space closed by the body closing an opening at one end of the soundproof cover when the soundproof cover is attached to the body; and a second vacuum pipe provided in the soundproof cover so as to extend from a lower end portion of the side wall of the soundproof cover to a contact portion of the upper wall, but the conventional concrete mixing plant for civil engineering construction technology has the following problems: existing concrete mixing equipment for civil engineering construction is after installing agitator motor, the screw thread reinforcing bar both ends on the motor reinforcing apparatus then can just be installed in the reinforced cover inside and the lower reinforced cover inside of frame plate upper end on the agitator tank body bottom when the equipment this moment, if not when the frame plate carries out the reinforcement effect this moment, agitator motor can produce great pressure to the frame plate because power is great at the during operation, and the frame plate receives the effect of this pressure for a long time and then can produce the deformation of undercut easily, and the frame plate of undercut deformation then can drive agitator motor and subside downwards, will influence the normal output effect to the output shaft of agitator tank body inside of agitator motor like this, thereby cause the puddler on the output shaft can not stir the concrete of agitator tank body inside and mix.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete mixing equipment is used in civil engineering construction to solve the agitator motor who proposes in the above-mentioned background art and can produce great pressure to the frame board because power is great at the during operation, and the frame board receives the effect of this pressure for a long time then can produce the deformation of undercut easily, and the frame board of undercut deformation then can drive the problem that agitator motor subsides downwards.

In order to achieve the above object, the utility model provides a following technical scheme: a concrete mixing device for civil engineering construction comprises a mixing tank body and a fixing frame, wherein the fixing frame is arranged at the lower end of the mixing tank body, the fixing frame is fixedly connected with the mixing tank body through welding, the bottom of the fixing frame is connected with four vertical pillars, the four pillars are fixedly connected with the fixing frame through welding, fixing sleeves are sleeved on the circumferential outer walls of the four pillars, a transversely-placed frame plate is connected onto the outer wall of the fixing sleeves, the frame plate and the four fixing sleeves are fixedly connected through welding, the bottoms of the four pillars are connected with placing feet, a mixing motor is arranged on the outer wall of the center of the upper end of the frame plate, the mixing motor is fixedly connected with the frame plate through nuts, vertical motor reinforcing devices are arranged on the left side and the right side of the mixing motor, the upper ends and the lower ends of the two motor reinforcing devices are respectively connected onto the outer wall of the bottom of the mixing tank body and, agitator motor passes through external power source electric connection, be provided with down on the motor reinforcing apparatus and consolidate the cover and go up the reinforcement cover, it all is provided with the reinforcement screw with the circumference inside of consolidating the cover down to go up to consolidate the cover, go up to consolidate the cover and consolidate cover opening subtend down and connect respectively on agitator tank's bottom outer wall and the upper end outer wall of frame plate, two the circumference internal connection who consolidates the screw has vertical screw reinforcing rod, the operation cover has been cup jointed on the middle section circumference outer wall of screw reinforcing rod, all be provided with the action bars on the both ends circumference outer wall about the operation cover, operation cover and action bars pass through welded fastening and connect.

Preferably, be connected with the outside play hopper of opening on the agitator tank body downside left end outer wall, go out the hopper and pass through nut and agitator tank body fixed connection, go out hopper and agitator tank body inside and keep the connected state, the upper end of agitator tank body is connected with the splashproof top cap.

Preferably, agitator tank body bottom inner wall center department is connected with sealed axle bed, be connected with vertical output shaft on the sealed axle bed, be provided with the adapter sleeve on the circumference outer wall of output shaft, all be connected with the poking bar on the circumference outer wall of both ends about the adapter sleeve, be provided with horizontal stirring leaf on the lower extreme outer wall of poking bar, stirring leaf and poking bar pass through welded fastening and connect, be connected with the switching cover on the outer wall of agitator tank body bottom center department, agitator motor is connected with output shaft transmission through the switching cover.

Preferably, the connecting sleeves are provided with two, the two connecting sleeves are connected to the outer wall of the circumference of the output shaft, the two connecting sleeves are provided with two stirring rods, and the distance between the bottoms of the two groups of stirring rods on the two connecting sleeves is one fourth of the inner diameter of the stirring tank body.

Preferably, the motor reinforcing devices are arranged in two, the two motor reinforcing devices are respectively and symmetrically arranged on the left side and the right side of the stirring motor, and the maximum adjusting length of the two motor reinforcing devices is ten centimeters.

Preferably, the pillar is provided with four altogether, four the pillar is connected on the lower extreme outer wall of fixed frame of circumference state equidistance, four the bottom of pillar all is connected with lays the foot, four the cross-sectional size of laying the foot all is greater than the cross-sectional size of pillar, four the bottom of laying the foot keeps on same horizontal plane.

Preferably, the cross-sectional shape of splashproof top cap is two-thirds circular, the splashproof top cap just can be complete cup joint in the upper end outside of the agitator tank body.

Compared with the prior art, the utility model provides a concrete mixing equipment is used in civil engineering construction possesses following beneficial effect:

1. the utility model discloses an increased two motor reinforcing apparatus on the frame plate of installation agitator motor, and two neotype motor reinforcing apparatus can exert outside tension or inward pulling force between frame plate and the agitator tank body through adjusting self length, thereby make the frame plate can be fixed more firmly through the dual function of four fixed sleeves and two motor reinforcing apparatus, and when exerting inward pulling force between frame plate and the agitator tank body through the motor reinforcing apparatus, can prevent effectively that agitator motor from producing the condition emergence of frame plate deformation damage because the power is great to the frame plate produces great pressure when using, thereby guarantee that the motor can be in and carry out work under the normal installation state always, guarantee to concrete mixing can be fast and stable going on;

2. the concrete use mode and the anti-deformation principle of the novel motor reinforcing and adjusting device are as follows, when the stirring motor is installed, the two ends of the threaded reinforcing rod on the motor reinforcing device are installed in the upper reinforcing sleeve at the bottom of the stirring tank body and the inner part of the lower reinforcing sleeve at the upper end of the frame plate when the stirring motor is assembled, if two motor reinforcing devices are not used for reinforcing the frame plate at the moment, the stirring motor can generate larger pressure on the frame plate due to larger power when in work, the frame plate can easily generate downward sunken deformation after being subjected to the action of the pressure for a long time, and the frame plate deformed downward sunken shape can drive the stirring motor to subside downwards, so that the normal output action of the stirring motor on the output shaft on the stirring rod can not stir and mix the concrete in the stirring tank body, at the moment, the situation can be effectively prevented only by timely adjusting the two motor reinforcing devices to apply inward pulling force between the frame plate and the stirring tank body, at the moment, the operating sleeve on the threaded reinforcing rod is grasped by hands and the two operating rods on the operating sleeve are simultaneously held and rotate anticlockwise, the operating sleeve which rotates anticlockwise drives the threaded reinforcing rod to rotate anticlockwise, because the two ends of the threaded reinforcing rod are respectively connected inside the reinforcing screw holes on the upper reinforcing sleeve and the lower reinforcing sleeve, and the threads on the inner walls of the two reinforcing screw holes are opposite, when the threaded reinforcing rod rotates anticlockwise, the two ends of the threaded reinforcing rod can respectively move towards the inside of the two reinforcing screw holes through the action of the threads, so that the whole length of the whole motor reinforcing device can be gradually reduced, and because the upper reinforcing sleeve and the lower reinforcing sleeve are respectively connected on the outer wall of the bottom of the stirring tank body and the outer wall of the top of the frame plate, like this will make whole motor reinforcing apparatus can apply an inside pulling force between frame plate and the agitator tank body when reducing self length, and this pulling force is lasting unchangeable, and just can effectually prevent to warp the condition of damaging and appear under holding through two motor reinforcing apparatus inside pulling forces between frame plate and the agitator tank body to can make the frame plate can bear bigger pressure and can normally supply to make agitator motor use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of an external three-dimensional structure of a concrete mixing device for civil engineering construction according to the present invention;

FIG. 2 is a schematic view of the internal plane structure of a concrete mixing plant for civil engineering construction according to the present invention;

fig. 3 is a schematic view of the internal plane structure of the motor reinforcing device provided by the present invention;

in the figure: 1. placing feet; 2. a pillar; 3. fixing a sleeve; 4. a frame plate; 5. a discharge hopper; 6. a stirring tank body; 7. a splash-proof top cover; 8. a stirring motor; 9. a fixing frame; 10. a motor reinforcing device; 11. a transfer sleeve; 12. stirring blades; 13. a stirring rod; 14. sealing the shaft seat; 15. an output shaft; 16. connecting sleeves; 17. a lower reinforcing sleeve; 18. a threaded reinforcing rod; 19. an operating sleeve; 20. a reinforcing sleeve is arranged; 21. reinforcing the screw hole; 22. an operating lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a concrete mixing device for civil engineering construction comprises a mixing tank body 6 and a fixing frame 9, wherein the fixing frame 9 is installed at the lower end of the mixing tank body 6, the fixing frame 9 and the mixing tank body 6 are fixedly connected through welding, the bottom of the fixing frame 9 is connected with four vertical supporting columns 2, the four supporting columns 2 are fixedly connected with the fixing frame 9 through welding, the four supporting columns 2 are equidistantly connected on the outer wall of the lower end of the fixing frame 9 in a circumferential state, the bottoms of the four supporting columns 2 are connected with placing feet 1, the cross section size of each placing foot 1 is larger than that of each supporting column 2, the bottoms of the four placing feet 1 are kept on the same horizontal plane, so that the whole concrete mixing device can be stably placed on the ground for use, the concrete mixing device is prevented from shaking during operation to influence normal mixing operation of concrete, and fixing sleeves 3 are sleeved on the outer walls of the circumferences of the four supporting columns 2, the outer wall of the fixed sleeve 3 is connected with a transversely-flatly-placed frame plate 4, the frame plate 4 and four fixed sleeves 3 are fixedly connected through welding, the outer wall of the center of the upper end of the frame plate 4 is provided with a stirring motor 8, the stirring motor 8 and the frame plate 4 are fixedly connected through nuts, the left side and the right side of the stirring motor 8 are respectively provided with a vertical motor reinforcing device 10, the upper end and the lower end of each motor reinforcing device 10 are respectively connected onto the outer wall of the bottom of the stirring tank body 6 and the outer wall of the upper end of the frame plate 4, the number of the motor reinforcing devices 10 is two, the two motor reinforcing devices 10 are respectively and symmetrically arranged on the left side and the right side of the stirring motor 8, the maximum adjusting length of the two motor reinforcing devices 10 is ten centimeters, the two motor reinforcing devices 10 can form inward pulling force between the frame plate 4 and the stirring tank body 6 on the left side and the right, thereby enabling the frame plate 4 to bear larger pressure and normally supplying the stirring motor 8 for use, the stirring motor 8 is electrically connected through an external power supply,

a concrete mixing device for civil engineering construction is provided, a lower reinforcing sleeve 17 and an upper reinforcing sleeve 20 are arranged on a motor reinforcing device 10, reinforcing screw holes 21 are respectively arranged inside the circumferences of the upper reinforcing sleeve 20 and the lower reinforcing sleeve 17, openings of the upper reinforcing sleeve 20 and the lower reinforcing sleeve 17 are oppositely connected to the outer wall of the bottom of a mixing tank body 6 and the outer wall of the upper end of a frame plate 4 respectively, vertical threaded reinforcing rods 18 are connected inside the circumferences of the two reinforcing screw holes 21, an operating sleeve 19 is sleeved on the outer wall of the middle circumference of the threaded reinforcing rod 18, operating rods 22 are respectively arranged on the circumferential outer walls of the left end and the right end of the operating sleeve 19, the operating sleeve 19 and the operating rods 22 are fixedly connected through welding, when the two motor reinforcing devices 10 are operated, only the operating sleeve 19 on the threaded reinforcing rod 18 needs to be grasped by hands, the two operating rods 22 on the operating sleeve 19 are grasped simultaneously and rotated anticlockwise, and the operating sleeve 19 is rotated to drive the threaded reinforcing rod, because the two ends of the threaded reinforcing rod 18 are respectively connected to the inside of the reinforcing screw holes 21 on the upper reinforcing sleeve 20 and the lower reinforcing sleeve 17, and the threads on the inner walls of the two reinforcing screw holes 21 are opposite, when the threaded reinforcing rod 18 is rotated counterclockwise, the two ends of the threaded reinforcing rod 18 can move towards the inside of the two reinforcing screw holes 21 respectively through the action of the threads, so that the overall length of the whole motor reinforcing device 10 is gradually reduced, and because the upper reinforcing sleeve 20 and the lower reinforcing sleeve 17 are respectively connected to the bottom outer wall of the agitator tank body 6 and the top outer wall of the frame plate 4, an inward pulling force can be applied between the frame plate 4 and the agitator tank body 6 while the length of the whole motor reinforcing device 10 is reduced, and the pulling force is constant, and the situation of deformation and damage can be effectively prevented under the inward pulling force of the two motor reinforcing devices 10 between the frame plate 4 and the agitator tank body 6, so that the frame plate 4 can bear larger pressure and can be normally used by the stirring motor 8.

A concrete mixing device for civil engineering construction is disclosed, wherein the outer wall of the left end of the lowest side of a mixing tank body 6 is connected with a discharge hopper 5 with an outward opening, the discharge hopper 5 is fixedly connected with the mixing tank body 6 through a nut, the discharge hopper 5 is communicated with the interior of the mixing tank body 6, the upper end of the mixing tank body 6 is connected with a splash-proof top cover 7, the cross section of the splash-proof top cover 7 is in a shape of two thirds of a circle, the splash-proof top cover 7 can be exactly and completely sleeved on the outer part of the upper end of the mixing tank body 6, a gap between the splash-proof top cover 7 and the mixing tank body 6 can facilitate workers to quickly inject concrete and water to be mixed into the interior of the mixing tank body 6 for mixing, the splash-proof top cover 7 can prevent the concrete and the water from being sputtered to the exterior when a mixing rod 13 is used for mixing the concrete and the, thus, when the concrete in the stirring tank body 6 is stirred, the baffle plate is closed on the discharge hopper 5 at the moment, so that the concrete which is being mixed and stirred in the stirring tank body 6 can not be discharged through the discharge hopper 5, and after the concrete in the stirring tank body 6 is well mixed, the baffle plate on the discharge hopper 5 only needs to be opened at the moment, the well-mixed concrete in the stirring tank body 6 can be discharged through the discharge hopper 5 at the moment, the center of the inner wall at the bottom of the stirring tank body 6 is connected with the sealing shaft seat 14, the vertical output shaft 15 is connected on the sealing shaft seat 14, the circumferential outer walls of the output shaft 15 are provided with the connecting sleeves 16, the circumferential outer walls at the left end and the right end of each connecting sleeve 16 are connected with the stirring rod 13, the outer wall at the lowest end of the stirring rod 13 is provided with the transverse stirring blade 12, the stirring blade 12 is fixedly connected with the stirring rod 13 by welding, the outer, agitator motor 8 is connected with the transmission of output shaft 15 through switching cover 11, and adapter sleeve 16 is provided with two altogether, two adapter sleeve 16 are all connected on output shaft 15's circumference outer wall, all be provided with two puddlers 13 on two adapter sleeve 16, distance between two sets of puddlers 13 bottoms on two adapter sleeve 16 is the quarter of the inside diameter of agitator tank body 6, interval difference between 6 inner walls of two sets of puddlers 13 and agitator tank body can make two sets of puddlers 13 can both stir the mixture in 6 inside abundant concrete of agitator tank body, thereby make the concrete and the water of the 6 inside of agitator tank body more even abundant by stirring the mixture.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when in use, the whole concrete mixing device is firstly placed on the ground of a construction site to be used through the placing feet 1 at the bottoms of the four support columns 2, then the mixing motor 8 is started, the model adopted by the mixing motor 8 is YL112-4, the mixing motor 8 can be electrified to work and drive the output shaft 15 in the mixing tank body 6 to rotate through the adapter sleeve 11, the output shaft 15 can drive the two groups of mixing rods 13 to do circular motion in the mixing tank body 6, then the concrete and water to be mixed are injected into the mixing tank body 6 through the gap between the splash-proof top cover 7 and the mixing tank body 6, the two groups of mixing rods 13 doing circular motion in the mixing tank body 6 and the mixing blades 12 connected with the bottoms of the mixing rods 13 can drive the concrete in the mixing tank body 6 to be mixed, and when the concrete in the mixing tank body 6 is mixed, the baffle on the hopper 5 only needs to be opened, at the moment, the mixed concrete in the stirring tank body 6 can be discharged through the discharge hopper 5, two motor reinforcing devices 10 are additionally arranged on the frame plate 4 for mounting the stirring motor 8, the two novel motor reinforcing devices 10 can apply outward tension or inward tension between the frame plate 4 and the stirring tank body 6 by adjusting the length of the motor reinforcing devices, so that the frame plate 4 can be fixed more firmly through the dual functions of the four fixing sleeves 3 and the two motor reinforcing devices 10, and when inward tension is applied between the frame plate 4 and the stirring tank body 6 through the motor reinforcing devices 10, the situation that the frame plate 4 is deformed and damaged due to the fact that the stirring motor 8 generates large pressure on the frame plate 4 due to large power in use can be effectively prevented, so that the motor can work under the normal mounting state all the time, the concrete stirring can be rapidly and stably carried out.

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 appended claims and their equivalents.

Claims

1. The utility model provides a concrete mixing equipment is used in civil engineering construction, includes agitator tank body (6) and fixed frame (9), its characterized in that: the lower extreme at agitator tank body (6) is installed to fixed frame (9), fixed frame (9) and agitator tank body (6) are through welded fastening connection, the bottom of fixed frame (9) is connected with four vertical pillar (2), four pillar (2) all are through welding and fixed frame (9) fixed connection, four fixed cover (3) have all been cup jointed on the circumference outer wall of pillar (2), be connected with frame board (4) of transversely keeping flat on the outer wall of fixed cover (3), frame board (4) and four fixed cover (3) all are through welded fastening connection, four the bottom of pillar (2) all is connected with puts foot (1), be provided with agitator motor (8) on the outer wall of frame board (4) upper end center department, agitator motor (8) and frame board (4) pass through nut fixed connection, agitator motor (8) all are provided with vertical motor reinforcing apparatus (10) in the left and right sides, the upper end and the lower end of each of the two motor reinforcing devices (10) are respectively connected to the outer wall of the bottom of the stirring tank body (6) and the outer wall of the upper end of the frame plate (4), the stirring motors (8) are electrically connected through an external power supply, a lower reinforcing sleeve (17) and an upper reinforcing sleeve (20) are arranged on each motor reinforcing device (10), reinforcing screw holes (21) are respectively formed in the circumferences of the upper reinforcing sleeve (20) and the lower reinforcing sleeve (17), the openings of the upper reinforcing sleeve (20) and the lower reinforcing sleeve (17) are oppositely connected to the outer wall of the bottom of the stirring tank body (6) and the outer wall of the upper end of the frame plate (4), vertical threaded reinforcing rods (18) are connected to the circumferences of the two reinforcing screw holes (21), an operation sleeve (19) is sleeved on the outer wall of the circumference of the middle section of the threaded rod (18), and operation rods (22) are respectively arranged on the outer walls of the circumferences of the left end and the right end of the, the operating sleeve (19) and the operating rod (22) are fixedly connected through welding.

2. The concrete mixing apparatus for civil engineering construction according to claim 1, wherein: the utility model discloses a storage tank, including agitator tank body (6), be connected with the outside play hopper (5) of opening on the downside left end outer wall of agitator tank body (6), go out hopper (5) and agitator tank body (6) fixed connection through the nut, go out hopper (5) and agitator tank body (6) inside and keep the connected state, the upper end of agitator tank body (6) is connected with splashproof top cap (7).

3. The concrete mixing apparatus for civil engineering construction according to claim 1, wherein: the utility model discloses a stirring tank, including agitator tank body (6), agitator tank body (6) bottom inner wall center department is connected with sealed axle bed (14), be connected with vertical output shaft (15) on sealed axle bed (14), be provided with adapter sleeve (16) on the circumference outer wall of output shaft (15), all be connected with stirring rod (13) on both ends circumference outer wall about adapter sleeve (16), be provided with horizontal stirring leaf (12) on the lower extreme outer wall of stirring rod (13), stirring leaf (12) and stirring rod (13) are through welded fastening connection, be connected with switching cover (11) on agitator tank body (6) bottom center department outer wall, agitator motor (8) are connected with output shaft (15) transmission through switching cover (11).

4. The concrete mixing apparatus for civil engineering construction according to claim 3, wherein: the connecting sleeve (16) is provided with two altogether, two the connecting sleeve (16) all is connected on the circumference outer wall of output shaft (15), two all be provided with two stirring rod (13) on connecting sleeve (16), two the distance between two sets of stirring rod (13) bottoms on connecting sleeve (16) is the quarter of agitator tank body (6) inside diameter.

5. The concrete mixing apparatus for civil engineering construction according to claim 1, wherein: the motor reinforcing devices (10) are arranged in two, the two motor reinforcing devices (10) are respectively and symmetrically arranged on the left side and the right side of the stirring motor (8), and the maximum adjusting length of the two motor reinforcing devices (10) is ten centimeters.

6. The concrete mixing apparatus for civil engineering construction according to claim 1, wherein: pillar (2) are provided with four altogether, four pillar (2) are circumference state equidistance and connect on the lower extreme outer wall of fixed frame (9), four the cross-sectional size of putting foot (1) all is greater than the cross-sectional size of pillar (2), four the bottom of putting foot (1) keeps on same horizontal plane.

7. The concrete mixing apparatus for civil engineering construction according to claim 2, wherein: the cross-sectional shape of splashproof top cap (7) is two-thirds circular, splashproof top cap (7) just can be complete cup joint in the upper end outside of the agitator tank body (6).