CN209903559U

CN209903559U - Soft clay stirring device

Info

Publication number: CN209903559U
Application number: CN201821994235.7U
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: 2020-01-07
Anticipated expiration: 2028-11-30

Abstract

The utility model discloses a soft clay stirring device, which comprises a stirring barrel, a stirrer, an anti-sticking device, a first power device for driving the stirrer to rotate and a second power device for driving the anti-sticking device to rotate; the stirrer comprises a first rotating shaft, helical blades and a stirring frame, wherein the helical blades are arranged below the first rotating shaft, the left side and the right side of the first rotating shaft are connected with at least one stirring frame which is transversely arranged, and the stirring frame is positioned above the helical blades; antiseized device includes second pivot and antiseized scraper blade, and antiseized scraper blade is connected at the lower extreme of second pivot. The mode that the stirring frame and the helical blade are arranged up and down is more favorable for fully crushing the soft clay; the anti-sticking scraper blade with the cross section similar to S shape can sweep and scrape soft clay on the side wall and the bottom of the stirring barrel in all directions; in the stirring process, the rotation direction of antiseized device is opposite with the agitator direction, can more effectually sweep the soft clay of adhesion on the bucket, improves the stirring quality.

Description

Soft clay stirring device

Technical Field

The utility model relates to a stirring apparatus, concretely relates to soft clay stirring apparatus.

Background

Due to the generation of a large amount of engineering waste soil caused by the rapid development of engineering construction, the proper treatment of the engineering waste soil is a main problem faced by the current engineering construction. The soft clay serving as one of engineering spoil cannot be directly used as a filler in engineering due to the characteristics of high clay content, large natural water content, high compressibility, low shear strength, small water permeability, thixotropy, rheological property and the like.

At present, a chemical method is adopted to improve the engineering characteristics of the soft clay, and then the improved soft clay is used as an engineering filler. In the process of chemically improving the soft clay, the corresponding curing substances are required to be added into the soft clay for stirring, and usually, an excavator is used for on-site stirring, or a vertical or horizontal mixer special for concrete is used for stirring construction of soft clay improvement, and these stirring modes often have the problems of uneven stirring of the corresponding curing substances, wall sticking of the soft clay, poor chemical improvement effect and the like. Based on this, the chinese utility model with patent No. 201520281623.0 discloses a stirrer with scraper, which comprises a tank body, a stirring device and a rotating shaft, wherein the rotating shaft is arranged in the tank body, the upper end of the rotating shaft is connected with a speed changer, the rotating shaft is rotationally fixed at the axle center position of an end cover through a fixing device, the lower part of the rotating shaft is provided with the stirring device, the lower end of the rotating shaft is provided with a connecting frame, the left and right ends of the connecting frame are provided with two mutually symmetrical oblique supporting rods, the lower end of the oblique supporting rod is provided with a scraper parallel to the oblique supporting rod, and the scraper and the oblique; the stirring device is internally provided with a spiral ribbon type stirring paddle and a transverse blade, and the transverse blade is fixed on the rotating shaft through a connecting block. Although this patent has improved the stirring effect to a certain extent, does not consider the special property of above-mentioned soft clay, and agitator bottom hollow range is too big, does not consider the effect of gravity, and agitator bottom material has the inhomogeneous phenomenon of stirring.

Disclosure of Invention

Utility model purpose: to above problem, the utility model aims at providing a simple structure, convenient to use's soft clay agitating unit, at the in-process of the soft clay of chemical improvement, this agitator can make corresponding solidification material and soft clay fully evenly stir, avoid soft clay to glue the wall, improves stirring quality.

The technical scheme is as follows: for realizing the purpose of the utility model, the utility model adopts the technical proposal that: a soft clay stirring device comprises a stirring barrel, a stirrer, an anti-sticking device, a first power device and a second power device, wherein the first power device is used for driving the stirrer to rotate, and the second power device is used for driving the anti-sticking device to rotate; the stirrer comprises a first rotating shaft, helical blades and stirring frames, the upper end of the first rotating shaft is connected with a first power device, the helical blades are arranged below the first rotating shaft, the left side and the right side of the first rotating shaft are connected with at least one stirring frame which is transversely arranged, and the stirring frame is positioned above the helical blades; the anti-sticking device comprises a second rotating shaft and an anti-sticking scraper, the upper end of the second rotating shaft is connected with the second power device, and the anti-sticking scraper is connected at the lower end of the second rotating shaft.

Furthermore, the anti-sticking scraper is of an approximate U-shaped frame structure and is symmetrically arranged by taking the axis of the stirring barrel as a center, and the cross section of the anti-sticking scraper is of an approximate S shape and is attached to the barrel wall; the second rotating shaft is sleeved outside the first rotating shaft to form a coaxial structure. The utility model discloses used antiseized scraper blade can carry out all-round sweeping to the soft clay of agitator lateral wall and bottom and scrape.

Further, in the stirring process, the rotation direction of the stirrer is opposite to that of the anti-sticking device, and the opposite rotation direction is more favorable for sweeping and scraping soft clay on the wall and the bottom of the bucket.

Further, the first power device comprises a first conical transmission gear and a first driving motor for driving the first conical transmission gear, and the upper end of the first rotating shaft is connected with the first conical transmission gear; the second power device comprises a second conical transmission gear and a second driving motor for driving the second conical transmission gear, and the upper end of the second rotating shaft is connected with the second conical transmission gear. The power devices of the stirrer and the anti-sticking scraper are mutually independent.

Further, the bottom of agitator is equipped with the discharge gate, be equipped with the valve on the discharge gate, the valve is used for controlling the outflow of stirring back material.

Furthermore, three hydraulic lifting rods are uniformly arranged around the barrel body at the lower part of the stirring barrel, so that the stirring barrel can move up and down.

Further, still include outer frame, the agitator is established in outer frame, first power device and second power device set up the top at outer frame. The outer frame plays a role in protecting the stirring barrel.

Has the advantages that: the soft clay stirring device of the utility model has simple structure and convenient use, and the mode of vertically arranging the stirring frame and the helical blade is more favorable for fully crushing the soft clay; radial flow is formed by a stirring frame of the stirrer, axial flow is formed by the helical blades, and the corresponding solidified substances and the soft clay are mixed more uniformly; the anti-sticking scraper blade with the cross section similar to S shape can sweep and scrape soft clay on the side wall and the bottom of the stirring barrel in all directions; in the stirring process, the rotation direction of the anti-sticking device is opposite to the direction of the stirrer, so that the soft clay adhered to the barrel can be more effectively swept, and the stirring quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view taken along a-a in fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1, a soft clay stirring device includes a stirring barrel 1, an outer frame 14, and a stirrer and an anti-sticking device respectively disposed inside the stirring barrel.

The upper portion of agitator 1 is a cylinder, and the lower part is an inverted cone, and the cylinder links into a whole with the inverted cone, and the top of agitator 1 is opened, as the entry of soft clay and corresponding solidification material, and the bottom of agitator is equipped with discharge gate 12, is equipped with valve 12 on the discharge gate 11, through the outflow of valve 12 control material.

The outer frame 14 is disposed outside the mixing tank 1 and protects the mixing tank 1. The top of the outer frame 14 is provided with a first power device for driving the stirrer to rotate and a second power device for driving the anti-sticking device to rotate.

The first power device comprises a first conical transmission gear 7 and a first driving motor 8 for driving the first conical transmission gear 7. The agitator includes first pivot 2, helical blade 3 and stirring frame 4, and the upper end and the first toper drive gear 7 of first pivot 2 are connected, and helical blade 3 sets up in the below of first pivot 2, and the 2 left and right sides of first pivot are connected with at least one stirring frame 4 of transversely placing, and just stir frame 4 and be located helical blade 3's top. Helical blade 3 sets up in the below of agitator frame 4, in the mixing stirring in-process, the direction of rotation of control agitator, the soft clay that makes to be located 1 bottom of agitator and corresponding condensate are driven at helical blade 3's spiral and are upwards rolled the stirring, soft clay that rises and corresponding condensate are by abundant breakage and mixing under agitator frame 4's horizontal stirring effect, agitator frame 4 and helical blade 3 this kind arrange the mode on first pivot 2 from top to bottom, more be favorable to abundant breakage of soft clay and with the abundant mixing of corresponding condensate. In this embodiment, three stirring frames 4 arranged on the first rotating shaft 2 at equal intervals are provided, the number of the stirring frames 4 can be set according to the capacity of the stirring barrel, and the stirring frames 4 are not limited to this embodiment and are rectangular stirring frames.

The second power device comprises a second conical transmission gear 9 and a second driving motor 10 for driving the second conical transmission gear 9, the anti-sticking device comprises a second rotating shaft 5 and an anti-sticking scraper 6, the upper end of the second rotating shaft 5 is connected with the second conical transmission gear 9, the anti-sticking scraper 6 is fixedly connected to the lower end of the second rotating shaft 5, and the second rotating shaft 5 is sleeved outside the first rotating shaft 2 to form a coaxial structure. The sticky board of preventing scraping of current agitating unit does not consider its shape, and most of them are only dull and stereotyped structures, sweep and scrape the effect and are not ideal, the utility model discloses used antiseized scraper blade 6 is approximate U-shaped frame construction to 1 axle center of agitator is central symmetrical arrangement, and antiseized scraper blade 6' S cross-section is approximate S-shaped, with the laminating of bucket wall, the sticky board of preventing scraping of this kind of structure can carry out all-round sweeping to the soft clay of agitator lateral wall, bottom or even barrel head dead angle department and scrape.

The stirrer and the anti-sticking device are driven by respective power devices to rotate, the two sets of power devices are mutually independent and do not influence each other, and the respective rotating speed and direction of the stirrer and the anti-sticking device can be regulated and controlled according to specific requirements. In this embodiment, in order to reach better stirring effect, at the stirring in-process, make agitator and antiseized device's rotation direction opposite, opposite rotation direction more is favorable to scraping off of soft clay on the bucket wall. Of course, the rotation directions of the stirrer and the anti-sticking device may be the same, and are not limited to the embodiment.

Three hydraulic lifting rods 13 are uniformly arranged around the barrel body at the lower part of the stirring barrel 1, and the bottom edge of the cylinder of the stirring barrel 1 is supported by the regular triangles respectively, so that the stirring barrel 1 can move up and down.

When the soft clay stirring device is used, the valve 12 at the bottom of the stirring barrel 1 is closed, the stirring barrel 1 is lowered to the lowest position through the lifting rod 13, soft clay and a certain proportion of corresponding solidified substances are added into the stirring barrel 1, the first driving device drives the stirrer to rotate clockwise, the second driving device drives the anti-sticking device to rotate anticlockwise (as shown in fig. 2), and the lifting rod 13 is controlled to slowly lift the stirring barrel 1 until the highest position. In the stirring process, antiseized scraper blade 6 is to the soft clay that the shovel glues in bucket lateral wall and bottom of shovel, and helical blade 3 forms the axial flow in the staving for soft clay and corresponding solidified substance upwards turn, and stirring frame 4 forms radial flow, makes soft clay by abundant breakage, and axial flow and radial flow combine each other, with corresponding solidified substance and soft clay homogeneous mixing. After the stirring is mixed and is accomplished, open valve 12, change first drive arrangement's direction, make 2 anticlockwise rotations of first pivot, drive helical blade 3 soft clay dorsad for the solidification soil that the stirring was accomplished is turned downwards and is discharged fast through discharge gate 11, directly transports required place with haulage vehicle transfer.

Claims

1. A soft clay stirring device comprises a stirring barrel (1), a stirrer and an anti-sticking device, and is characterized by further comprising a first power device for driving the stirrer to rotate and a second power device for driving the anti-sticking device to rotate; the stirrer and the anti-sticking device are arranged inside the stirring barrel (1), the stirrer comprises a first rotating shaft (2), a spiral blade (3) and a stirring frame (4), the upper end of the first rotating shaft (2) is connected with a first power device, the spiral blade (3) is arranged below the first rotating shaft (2), the left side and the right side of the first rotating shaft (2) are connected with at least one stirring frame (4) which is transversely arranged, and the stirring frame (4) is positioned above the spiral blade (3); the anti-sticking device comprises a second rotating shaft (5) and an anti-sticking scraper (6), the upper end of the second rotating shaft (5) is connected with a second power device, and the anti-sticking scraper (6) is connected at the lower end of the second rotating shaft (5).

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

3. The soft clay stirring device as claimed in claim 1, wherein the rotation directions of the stirrer and the anti-sticking device are opposite.

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

5. The soft clay stirring device as claimed in claim 1, wherein a discharge port (11) is provided at the bottom of the stirring barrel (1), and a valve (12) is provided on the discharge port (11).

6. The soft clay stirring device as claimed in claim 1, wherein a plurality of hydraulic lifting rods (13) are arranged around the lower body of the stirring barrel (1).

7. The soft clay stirring device as claimed in claim 6, wherein the number of the hydraulic lifting rods (13) is three, and the hydraulic lifting rods are uniformly distributed around the lower barrel body of the stirring barrel (1).

8. The soft clay stirring device according to any one of claims 1 to 7, further comprising an outer frame (14), wherein the stirring barrel (1) is disposed in the outer frame (14), and the first power device and the second power device are disposed on top of the outer frame (14).