CN109366723A

CN109366723A - Soft clay mixing device and method

Info

Publication number: CN109366723A
Application number: CN201811450227.0A
Authority: CN
Inventors: 高玉峰
Original assignee: Hohai University HHU
Current assignee: Hohai University HHU
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2019-02-22

Abstract

The invention discloses a kind of soft clay agitating device and method, agitating device includes the second power device that agitator, blender, antisticking device, the first power device of driving blender rotation and driving antisticking device rotate；Blender includes first rotating shaft, helical blade and stirring frame, and helical blade is located at the lower section of first rotating shaft, connects at least one laterally disposed stirring frame at left and right sides of first rotating shaft, stirring frame is located at the top of helical blade；Antisticking device includes the second shaft and anti-sticking scraper plate, and anti-sticking scraper plate is connected to the lower end of the second shaft.Stirring frame and helical blade arrange that more conducively soft clay is abundant broken up and down；Cross section is in that the anti-sticking scraper plate of approximate S-shaped can scrape barrel side wall and comprehensive sweep of bottom soft clay progress；In stirring, rotation direction and the blender of antisticking device are on the contrary, more efficient the soft clay for scraping adherency can be swept；When discharging, the rotation direction of blender is identical with antisticking device, and staving can be quickly discharged in the effect of helical blade in mixture.

Description

Soft clay agitating device and method

Technical field

The present invention relates to agitating device and methods, and in particular to a kind of soft clay agitating device and method.

Background technique

Because the fast development of engineering construction leads to the generation of a large amount of engineering spoirs, dealing carefully with engineering spoir is current engineering Build the main bugbear faced.The one kind of soft clay as engineering spoir, because its sticky content is high, natural moisture content is big, compression Property it is high, shearing strength is low, water penetration is small, has the characteristics that thixotropy and rheological characteristic, cause its can not in engineering directly as Filler uses.

At present using the engineering characteristic of chemical method improvement soft clay, then the soft clay after improvement is filled out as engineering again Material.During chemically improveing soft clay, need to be stirred in corresponding curing material addition soft clay, usually It is stirred on the spot using excavator or using concrete is dedicated vertical or horizontal mixer etc. carries out stirring for soft clay improvement Construction is mixed, these agitating modes are frequently present of corresponding curing material stirring uneven, soft clay viscous wall, chemical modifying effect difference etc. Problem.Based on this, the Chinese invention patent of Patent No. 201520281623.0 discloses a kind of belt scraping plate blender, including tank Body, agitating device and shaft, the shaft are set in tank body, and the upper end of shaft connects speed changer, and shaft passes through fixed device Rotation is fixed on the shaft core position of end cap, and the lower part of shaft is equipped with agitating device, and the lower end of shaft is equipped with connection frame, connection frame Left and right ends are equipped with two symmetrical skewed horizontal load bars, and the lower end of skewed horizontal load bar is equipped with scraper plate in parallel, scrapes It is fixedly connected between plate and skewed horizontal load bar by connecting plate；Ribbon impeller and lateral leaf are equipped in the agitating device Piece, cross blade are fixed in shaft by link block.Although the patent improves mixing effect to a certain extent, not Consider the special nature of above-mentioned soft clay, and the hollow range of stirrer bottom is excessive, does not account for gravity influence, blender There is stirring non-uniform phenomenon in bottoms material.

Summary of the invention

Goal of the invention: in view of the above problems, object of the present invention is to propose that a kind of structure is simple, soft clay easy to use stirs Device is mixed, during chemical modifying soft clay, which can make corresponding curing material and soft clay is full and uniform stirs It mixes, soft clay is avoided to glue wall, improve mixing quality.It is another object of the present invention to propose soft clay stirring means, stirring operation Simply, stirring is completed quick and convenient to discharge.

Technical solution: to achieve the purpose of the present invention, the technical scheme adopted by the invention is that: a kind of soft clay stirring dress Set, including agitator, blender, antisticking device and for drive blender rotate the first power device and for driving it is anti- Second power device of viscous device rotation；The blender includes first rotating shaft, helical blade and stirring frame, the first rotating shaft Upper end connect with the first power device, the lower section of first rotating shaft, described first rotating shaft or so two is arranged in the helical blade Side is connected at least one laterally disposed stirring frame, and stirring frame is located at the top of the helical blade；The antisticking device Including the second shaft and anti-sticking scraper plate, the upper end of second shaft is connect with the second power device, the anti-sticking scraper plate connection In the lower end of the second shaft.

Further, the anti-sticking scraper plate is approximate U shape frame structure, is arranged symmetrically centered on agitator axle center, is prevented The cross section of viscous scraper plate is in approximate S-shaped, is bonded with bucket wall；Second shaft is set in the outside of first rotating shaft, is formed coaxial. Anti-sticking scraper plate used in the present invention can carry out comprehensive sweep to the soft clay of agitator side wall and bottom and scrape.

Further, in whipping process, the rotation direction of the blender and antisticking device is on the contrary, opposite rotation side To being more advantageous to barrel wall and sweeping for bucket bottom soft clay is scraped.

Further, first power device includes the first taper transmission gear of the first taper transmission gear and driving First driving motor, the upper end of the first rotating shaft are connect with the first taper transmission gear；Second power device includes the Second driving motor of the second taper transmission gear of two taper transmission gears and driving, the upper end of second shaft and the second cone The connection of shape transmission gear.The power device of blender and anti-sticking scraper plate is mutually indepedent.

Further, the bottom of the agitator is equipped with discharge port, and the discharge port is equipped with valve, and valve is for controlling The outflow expected after stirring.

Further, the surrounding of agitator lower part ladle body is uniformly provided with three hydraulic lifting arms, may be implemented to stir Bucket moves up and down.

It further, further include outer framework, the agitator is located in outer framework, and first power device and second is moved The top of outer framework is arranged in power device.Outer framework shields to agitator.

Stirring means of the present invention using above-mentioned soft clay agitating device, comprising the following steps:

S1, it feeds intake: soft clay and corresponding curing material is placed in agitator (1)；

S2, mixing: starting the first power device driving blender is mixed, and starting the second power device driving is anti- Viscous device sweep scraping；

S3, discharging: stirring is completed, and opens valve (12) discharging.

Further, in the step S2, the rotation direction of blender and antisticking device is opposite；In the step S3, During discharging, change the rotation direction of blender, keeps it identical as the rotation direction of antisticking device.

The utility model has the advantages that soft clay agitating device of the invention and method, agitating device structure is simple, easy to use, stirring Frame and helical blade mode arranged up and down are more advantageous to the abundant broken of soft clay；The stirring frame of blender forms radial flow, Helical blade forms axial stream, and corresponding curing material and soft clay mixing are more uniform；Cross section is in the anti-sticking scraper plate of approximate S-shaped Comprehensive sweep can be carried out to the soft clay of agitator side wall and bottom to scrape；In whipping process, the rotation direction of antisticking device It is contrary with blender, the soft clay scraped and be adhered on bucket significantly more efficient can be swept, mixing quality is improved；In discharging process In, the rotation direction of blender is identical with antisticking device direction, and mixture moves downward quick row under the action of helical blade Staving out.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention；

Fig. 2 is the cross-sectional view in Fig. 1 along the direction A-A.

Specific embodiment

The present invention is further illustrated with reference to the accompanying drawings and examples.

As shown in Figure 1, a kind of soft clay agitating device, including agitator 1, outer framework 14 and it is separately positioned on stirring Blender and antisticking device inside bucket.

The top of agitator 1 is a cylindrical body, and lower part is an inverted cone, cylindrical body and inverted cone connect into one it is whole The top of body, agitator 1 is opened wide, and as soft clay and the entrance of corresponding curing material, the bottom of agitator is equipped with discharge port 12, Discharge port 11 is equipped with valve 12, passes through the outflow of the control material of valve 12.

The outside of agitator 1 is arranged in outer framework 14, shields to agitator 1.The top of outer framework 14, which is equipped with, to be used In driving blender rotation the first power device and for drive antisticking device rotate the second power device.

First power device includes the first driving electricity of the first taper transmission gear 7 of the first taper transmission gear 7 and driving Machine 8.Blender includes first rotating shaft 2, helical blade 3 and stirring frame 4, the upper end of first rotating shaft 2 and the first taper transmission gear 7 The lower section of first rotating shaft 2 is arranged in connection, helical blade 3, and it is laterally disposed to be connected at least one at left and right sides of first rotating shaft 2 Stirring frame 4, and stirring frame 4 is located at the top of helical blade 3.The lower section of stirring frame 4 is arranged in helical blade 3, is being mixed In the process, the direction of rotation for controlling blender makes positioned at the soft clay of 1 bottom of agitator and corresponding solidfied material in helical blade 3 Spiral drive lower and agitation of rolling upwards, the soft clay of rising and corresponding solidfied material under the horizontal stirring action of stirring frame 4 It is sufficiently crushed and is mixed, stirring frame 4 and this mode being arranged in first rotating shaft 2 up and down of helical blade 3 are more advantageous to soft It clay sufficiently broken and its is mixed well with corresponding solidfied material.It is arranged three in the present embodiment to be equally spaced at first turn The quantity of stirring frame 4 on axis 2, stirring frame 4 can be arranged according to the capacity of agitator, however it is not limited to the present embodiment, stirring frame 4 For rectangle stirring frame.

Second power device includes the second driving electricity of the second taper transmission gear 9 of the second taper transmission gear 9 and driving Machine 10, antisticking device include the second shaft 5 and anti-sticking scraper plate 6, and the upper end of the second shaft 5 is connect with the second taper transmission gear 9, Anti-sticking scraper plate 6 is fixedly connected on the lower end of the second shaft 5, and the second shaft 5 is set in the outside of first rotating shaft 2, is formed coaxial.It is existing There is the scratch resistant haftplatte of agitating device it is not intended that its shape, most of only slab constructions sweep and scrape that the effect is unsatisfactory, the present invention Anti-sticking scraper plate 6 used be approximate U shape frame structure, be arranged symmetrically centered on 1 axle center of agitator, anti-sticking scraper plate 6 it is cross-section Face is in approximate S-shaped, be bonded with bucket wall, the scratch resistant haftplatte of this structure can be to agitator side wall, bottom or even bucket bottom dead angle at Soft clay carry out comprehensive sweep scrape.

Blender and antisticking device are driven by respective power device and are rotated, and two sets of power devices are mutually indepedent, mutually not shadow It rings, regulates and controls blender and the respective rotation speed of antisticking device and direction according to specific needs.In the present embodiment, in order to reach To better mixing effect, in whipping process, make the rotation direction of blender and antisticking device on the contrary, opposite rotation direction It is more advantageous to striking off for soft clay on barrel wall.Certainly, the rotation direction of blender and antisticking device can also be identical, however it is not limited to The present embodiment.

The surrounding of 1 lower part ladle body of agitator is uniformly provided with three hydraulic lifting arms 13, supports and stirs respectively in equilateral triangle Moving up and down for agitator 1 may be implemented in the bottom margin for mixing 1 cylindrical body of bucket.

When using the soft clay agitating device, the valve 12 of 1 bottom of agitator is closed, by elevating lever 13 by agitator 1 Position is minimized, soft clay and the corresponding curing material of certain proportion are added in agitator 1, first driving device drives stirring Device rotates clockwise, and the second driving device drives antisticking device to rotate counterclockwise (as shown in Figure 2), and control elevating lever 13 will stir The slowly lifting of bucket 1, until extreme higher position.In whipping process, anti-sticking scraper plate 6 meets and is sticked to the soft glutinous of barrel side wall and bottom to rooting out Soil, helical blade 3 forms axial stream in staving, so that soft clay and corresponding curing material stir upwards, stirring frame 4 forms diameter Xiang Liu, so that soft clay is sufficiently crushed, axial stream and radial flow be combined with each other, and corresponding curing material and soft clay are uniformly mixed It closes.After the completion of being stirred, valve 12 is opened, the direction of first driving device is changed, rotates first rotating shaft 2 counterclockwise, Drive helical blade 3 backwards to soft clay, so that the solidified earth that stirring is completed is stirred downwards and is quickly discharged by discharge port 11, directly It connects and is transported to required place with haulage vehicle transfer.

Claims

1. A soft clay mixing device, comprising a mixing bucket (1), agitator and an anti-sticking device, and is characterized in that, also comprising a first power device for driving the rotation of the agitator and a first power device for driving the rotation of the anti-sticking device. Two power devices; the agitator and the anti-sticking device are both arranged inside the mixing barrel (1), and the agitator includes a first rotating shaft (2), a spiral blade (3) and a mixing frame (4), so The upper end of the first rotating shaft (2) is connected with the first power device, the helical blade (3) is arranged below the first rotating shaft (4), and the left and right sides of the first rotating shaft (2) are connected with at least one horizontal A stirring frame (4) is placed, and the stirring frame (4) is located above the helical blade (3); the anti-sticking device includes a second rotating shaft (5) and an anti-sticking scraper (6), the second The upper end of the rotating shaft (5) is connected to the second power device, and the anti-stick scraper (6) is connected to the lower end of the second rotating shaft (5).

2. The soft clay mixing device according to claim 1, wherein the anti-stick scraper (6) is an approximate U-shaped frame structure, and is symmetrically arranged with the axis of the mixing bucket (1) as the center, and the anti-stick scraper The cross section of the plate (6) is approximately S-shaped and fits with the barrel wall; the second rotating shaft (5) is sleeved on the outside of the first rotating shaft (2) to form a coaxial axis.

3 . The soft clay stirring device according to claim 1 , wherein the rotation directions of the agitator and the anti-sticking device are opposite. 4 .

4. The soft clay mixing device according to claim 1, wherein the first power device comprises a first conical transmission gear (7) and a first drive motor for driving the first conical transmission gear (7). (8), the upper end of the first rotating shaft (2) is connected with the first conical transmission gear (7); the second power device comprises a second conical transmission gear (9) and a driving second conical transmission gear (9) The second drive motor (10), the upper end of the second rotating shaft (5) is connected with the second conical transmission gear (9).

5. The soft clay mixing device according to claim 1, wherein a discharge port (11) is provided at the bottom of the mixing barrel (1), and a valve (12) is provided on the discharge port (11). ).

6 . The soft clay mixing device according to claim 1 , wherein a plurality of hydraulic lifting rods ( 13 ) are provided around the lower barrel of the mixing barrel ( 1 ). 7 .

7 . The soft clay mixing device according to claim 6 , wherein there are three hydraulic lifting rods ( 13 ), which are evenly distributed around the lower barrel of the mixing barrel ( 1 ). 8 .

8. The soft clay mixing device according to any one of claims 1-7, characterized in that it further comprises an outer frame (14), the mixing barrel (1) is arranged in the outer frame (14), and the first The power unit and the second power unit are arranged on the top of the outer frame (14).

9. a stirring method based on the described soft clay stirring device of claim 5, is characterized in that, comprises the following steps:

S1. Feeding: put the soft clay and the corresponding solidified material in the mixing bucket (1);

S2, mixing: start the first power unit to drive the agitator to mix and stir, and start the second power unit to drive the anti-sticking device to sweep;

S3. Discharging: After stirring is completed, open the valve (12) to discharge.

10. The stirring method of the soft clay stirring device according to claim 9, wherein in the step S2, the rotation directions of the agitator and the anti-sticking device are opposite; in the step S3, in the discharging process, Change the direction of rotation of the agitator so that it is in the same direction as the anti-stick device.