CN112012077A

CN112012077A - Large-scale stirring host computer

Info

Publication number: CN112012077A
Application number: CN202010926909.5A
Authority: CN
Inventors: 陈聪永; 高国强; 陈君怀
Original assignee: Fujian Tietuo Machinery Co Ltd
Current assignee: Fujian Tietuo Machinery Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-01

Abstract

The invention discloses a large-scale stirring main machine which comprises a stirring cylinder, stirring main shafts and a speed reducing motor, wherein the speed reducing motor is connected with the stirring main shafts, a plurality of stirring main shafts which are horizontally arranged are arranged in the stirring cylinder, a plurality of groups of stirring arm groups are uniformly distributed on each stirring main shaft, the stirring arm groups of two adjacent stirring main shafts are reversely arranged, two adjacent stirring arm groups of the same stirring main shaft are longitudinally inclined by 45 degrees along the direction of the stirring main shaft, and spiral lines formed by the two stirring arm groups of the same stirring main shaft and the stirring arm groups of the other stirring main shaft are mutually staggered; the two groups of stirring arm groups positioned at the same tail end of the same stirring main shaft are two groups of return arm groups, and the return arm groups on the two stirring main shafts are positioned at different sides; and the head end and the tail end of each stirring main shaft are respectively provided with a speed reducing motor. By adopting the technical scheme, the large-scale stirring main machine provided by the invention can be used for stirring the mixture more quickly and sufficiently in the whole stirring main machine, so that the stirring time is reduced, and the stirring quality of the mixture is improved.

Description

Large-scale stirring host computer

Technical Field

The invention relates to the field of asphalt production equipment, in particular to a large stirring main machine.

Background

Large asphalt mixing plants are usually used in large or time-intensive projects, and in order to meet the larger production of large mixing plants, the mixing cylinder capacity needs to be made large, for example, 5000 type or more asphalt mixing plants. Making the capacity of the mixing bowl large causes the following problems:

1. because of large capacity, in order to fully stir the aggregate, the asphalt and the mineral powder in the stirring cylinder, the stirring time needs to be prolonged, the stirring period time needs to be prolonged, and the yield in unit time is reduced by changing the direction; the stirring time is not prolonged, and uneven stirring and flower material generation are possible.

2. What axle dress formula structure churn adopted usually is that two gear motor adorns in the churn with one side drive, the required gear motor model of large-scale churn increases, and the corresponding grow of gear motor whole weight meeting, and gear motor all can the grow to the pressure and the moment of torsion of stirring main shaft, can influence the life of stirring main shaft for a long time.

Disclosure of Invention

Aiming at the problems, the invention provides a large stirring main machine.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a large-scale stirring main machine comprises a stirring cylinder, stirring main shafts and a speed reduction motor, wherein the stirring main shafts are erected in the stirring cylinder, the speed reduction motor is connected with the stirring main shafts, a plurality of stirring main shafts which are horizontally arranged are arranged in the stirring cylinder, a plurality of stirring arm groups are uniformly distributed on each stirring main shaft along the length direction of the stirring main shaft, the stirring arm groups on two adjacent stirring main shafts are reversely arranged, and the two adjacent stirring arm groups on the same stirring main shaft are longitudinally inclined by 45 degrees along the direction of the stirring main shaft and are mutually staggered with a spiral line formed by the stirring arm groups on the other stirring main shaft; the two groups of stirring arm groups positioned at the same tail end of the same stirring main shaft are two groups of returning arm groups, and the returning arm groups on the two stirring main shafts are positioned at different sides; and the head end and the tail end of each stirring main shaft are respectively provided with a speed reducing motor.

Preferably, the quantity of stirring main shaft is two, and the stirring main shaft that is located the agitator tank inner chamber front side is first stirring main shaft, and the stirring main shaft that is located agitator tank inner chamber rear side is second stirring main shaft, first stirring main shaft is the tandem with second stirring main shaft and sets up side by side, along this first stirring main shaft clockwise slope 45 settings between the two adjacent stirring arm groups on the first stirring main shaft, along this second stirring main shaft anticlockwise slope 45 settings between the two adjacent stirring arm groups on the second stirring main shaft.

Preferably, the two sets of return arms on the first stirring main shaft are arranged at the right end of the first stirring main shaft, and the two sets of return arms on the second stirring main shaft are arranged at the left end of the second stirring main shaft.

Preferably, return arm group and stirring arm group and all include adapter sleeve, long stirring arm and short stirring arm, the adapter sleeve passes through bolt locking on the stirring main shaft, long stirring arm and short stirring arm fixed connection are sheathe in the adapter sleeve, long stirring arm and short stirring arm are located the not equidistance of adapter sleeve, and long stirring arm and short stirring arm are a style of calligraphy and distribute on the adapter sleeve, long stirring arm and short stirring arm keep away from all be provided with a stirring vane on the tip of adapter sleeve.

Preferably, the adjacent two fastening sleeves on the stirring main shaft are arranged at intervals, each fastening sleeve comprises a first arc-shaped piece and a second arc-shaped piece, the concave surfaces of the first arc-shaped piece and the second arc-shaped piece are arranged in opposite directions, and the first arc-shaped piece and the second arc-shaped piece are locked and fixed through a locking bolt.

Preferably, a pure aluminum thin plate is arranged between the contact surfaces of the long stirring arm, the short stirring arm and the stirring blade respectively, and the stirring blade, the long stirring arm and the short stirring arm are locked and fixed through bolts respectively.

Preferably, the stirring blade is of a wedge-shaped plate structure with a thick top and a thin bottom.

Preferably, a plurality of filling holes are formed in the stirring end face of the stirring blade.

Preferably, each speed reduction motor is fixedly connected to the outer side of the stirring cylinder, and an output shaft of each speed reduction motor is connected with the stirring main shaft through a coupling.

Preferably, the two speed reducing motors on the same stirring main shaft have the same rotation direction.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. according to the large-scale stirring main machine provided by the invention, the two stirring main shafts are arranged in the stirring cylinder, and the stirring arm group and the return arm group are arranged on the stirring main shafts, namely, a stirring system consisting of the stirring arms and the stirring blades in the stirring cylinder is arranged along an inner and outer double spiral line, and a spiral track formed by the stirring blades forms two spiral lines with non-coincident diameters along the stirring main shafts, so that the coverage surface of the stirring blades is increased, thus a mixture can be stirred more quickly and sufficiently in the whole stirring main machine, the stirring time is reduced, and the stirring quality of the mixture is improved.

2. According to the large-scale stirring main machine provided by the invention, the two groups of return arm groups are arranged at the tail end of each main shaft, so that the material flow on the stirring main shaft can be quickly guided to the other stirring main shaft, the impact of the material flow on the side end lining plate of the return arm can be reduced, and the service life of the end lining plate can be prolonged.

3. According to the large stirring host provided by the invention, the pure aluminum thin plate is arranged between the contact surfaces of the stirring long arm and the stirring short arm and the stirring blade, so that the contact surfaces of the stirring arm and the stirring blade are changed in direction, the friction resistance is increased, and the effect of preventing the stirring blade and the stirring arm from sliding relatively during operation is achieved; meanwhile, the material clamping between the stirring blade and the lining plate can be reduced by controlling the distance between the stirring blade and the lining plate of the stirring cylinder, so that the service lives of the stirring blade and the lining plate of the stirring cylinder are prolonged.

4. According to the large stirring host provided by the invention, the four speed reducing motors are uniformly distributed on the two sides of the stirring steel, and the torques of the speed reducing motors on the stirring main shaft can be uniformly distributed on the two sides, so that the stirring main shaft is prevented from being damaged due to concentrated stress on one side; and meanwhile, when the four speed reducing motors are selected to meet the use requirements, the types of the speed reducing motors can be properly selected, and the power is lower, so that the load on a circuit is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a large stirring host according to the present invention;

FIG. 2 is a schematic view of a stirring main shaft of a large stirring main machine according to the present invention;

FIG. 3 is a front view of a stirring main shaft of a large stirring main machine according to the present invention;

FIG. 4 is a left side view of a stirring main shaft of a large stirring main machine according to the present invention;

FIG. 5 is a top view of a stirring main shaft of a large stirring main machine according to the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 8 is a cross-sectional view of C-C of FIG. 5;

FIG. 9 is a cross-sectional view D-D of FIG. 5;

FIG. 10 is a cross-sectional view of E-E in FIG. 5;

FIG. 11 is a cross-sectional view F-F of FIG. 5;

FIG. 12 is a cross-sectional view taken at H-H in FIG. 5;

FIG. 13 is a cross-sectional view taken along line I-I of FIG. 5;

FIG. 14 is a cross-sectional view of J-J of FIG. 5;

FIG. 15 is a schematic structural view of a large-scale stirring host according to the present invention, in which a reduction motor is connected to a stirring spindle;

FIG. 16 is a schematic view of a stirring arm assembly of a large stirring main machine according to the present invention;

FIG. 17 is a schematic view of a stirring blade of a large stirring main machine according to the present invention;

FIG. 18 is a cross-sectional view taken along line K-K of FIG. 15;

FIG. 19 is a cross-sectional view taken along line L-L in FIG. 15;

FIG. 20 is a schematic view of the connection between the long stirring arm and the stirring blade of the large stirring main machine according to the present invention;

FIG. 21 is a schematic view of a spiral line formed by stirring blades on a first stirring shaft and a second stirring shaft of a large stirring host machine according to the invention;

FIG. 22 is a front view of a spiral line formed by the stirring blades on the first stirring shaft and the second stirring shaft of the large stirring host machine of the present invention;

FIG. 23 is a left side view of a spiral line formed by the mixing blades on the first mixing shaft and the second mixing shaft of the large mixing mainframe;

FIG. 24 is a top view of the spiral line formed by the mixing blades on the first mixing shaft and the second mixing shaft of a large mixing mainframe according to the present invention.

In the figure: 1. a mixing tank; 2. a stirring main shaft; 21. a first stirring shaft; 22. a second stirring shaft; 3. a reduction motor; 4. a stirring arm group; 5. returning to the arm group; 6. a coupling; 71. fastening sleeves; 71a. a first arcuate segment; 71b. a second arc-shaped piece; 71c. a locking bolt; 72. a long stirring arm; 73. a short stirring arm; 74. a stirring blade; 74a. filler holes; 75. a pure aluminum sheet; 8. a lining plate of the stirring cylinder.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

Referring to fig. 1 to 24, a large-scale stirring main machine includes a stirring cylinder 1, a stirring main shaft 2 and a speed reduction motor 3, wherein the stirring main shaft 2 is erected in the stirring cylinder 1, the speed reduction motor 3 is connected with the stirring main shaft 2, a plurality of stirring main shafts 2 horizontally arranged are arranged in the stirring cylinder 1, a plurality of groups of stirring arm groups 4 are uniformly distributed on each stirring main shaft 2 along the length direction of the stirring main shaft, the stirring arm groups 4 on two adjacent stirring main shafts 2 are arranged in a reverse direction, and two adjacent stirring arm groups 4 on the same stirring main shaft 2 are longitudinally inclined by 45 degrees along the direction of the stirring main shaft 2 and are staggered with a spiral line formed by the stirring arm groups 4 on the other stirring main shaft 2; the two groups of stirring arm groups positioned on the same tail end of the same stirring main shaft 2 are two groups of return arm groups 5, and the return arm groups 5 on the two stirring main shafts 2 are positioned on different sides; the head end and the tail end of each stirring main shaft 2 are respectively provided with a speed reducing motor 3. Adopt this structure, promptly through installing two stirring main shafts in the agitator tank, and install stirring arm group and return arm group on the stirring main shaft, the mixing system that the stirring arm in the agitator tank and stirring vane constitute promptly is for following inside and outside double helix arrangement mode, the spiral orbit that stirring vane formed forms two helices that the diameter is misaligned along the stirring main shaft, so that stirring vane's cover surface increase, thereby can make the mixture carry out the abundant stirring of higher speed at whole stirring host computer, the stirring time has been reduced, the stirring quality of mixture has been improved.

Further, the number of the stirring main shafts 2 is two, the stirring main shaft located at the front side of the inner cavity of the stirring cylinder 1 is a first stirring main shaft 21, the stirring main shaft located at the rear side of the inner cavity of the stirring cylinder 1 is a second stirring main shaft 22, the first stirring main shaft 21 and the second stirring main shaft 22 are arranged side by side in tandem, two adjacent stirring arm groups 4 on the first stirring main shaft 21 are arranged by 45 degrees in a clockwise direction along the first stirring main shaft, and two adjacent stirring arm groups 4 on the second stirring main shaft 22 are arranged by 45 degrees in an anticlockwise direction along the second stirring main shaft.

Further, two sets of the returning arm sets 5 on the first stirring main shaft 21 are provided at the right end of the first stirring main shaft 21, and two sets of the returning arm sets 5 on the second stirring main shaft 22 are provided at the left end of the second stirring main shaft 22. Adopt this structure, install two sets of return arm groups through the end at every main shaft promptly for can be fast with the quick other stirring main shaft of the direction of the epaxial material stream of this stirring main, can reduce the impact of material stream to this side end welt of return arm simultaneously, prolong the life of end welt. Further, the returning arm group 5 and the stirring arm group 4 both comprise a fastening sleeve 71, a long stirring arm 72 and a short stirring arm 73, the fastening sleeve 71 is locked on the stirring spindle 2 through bolts, the long stirring arm 72 and the short stirring arm 73 are fixedly connected to the fastening sleeve 71, the long stirring arm 72 and the short stirring arm 73 are located on different sides of the fastening sleeve 71, the long stirring arm 72 and the short stirring arm 73 are distributed on the fastening sleeve 71 in a straight line shape, and the ends of the long stirring arm 72 and the short stirring arm 73, which are far away from the fastening sleeve 71, are provided with a stirring blade 74. By adopting the structure, each group of stirring arm group consists of a long stirring arm, a short stirring arm and two stirring blades, and the arrangement tracks of the two stirring blades on the feeding arm group form two large and small spiral lines which are staggered with the stirring blades on the other stirring main shaft; the track that stirring vane formed is as shown in fig. 21 to 24, and the spiral track that stirring vane formed forms two helices that the diameter is misaligned along stirring main shaft, and on the elevation view of fig. 21, stirring vane's coverage increases like this, and when stirring host computer operation, because of the coverage increase of stirring vane and mixture, can make the mixture carry out the abundant stirring of faster at whole stirring host computer, reduce the churning time, improve the stirring quality of mixture.

Furthermore, two adjacent fastening sleeves 71 on the stirring main shaft 2 are arranged at intervals, each fastening sleeve 71 comprises a first arc-shaped piece 71a and a second arc-shaped piece 71b, the concave surfaces of the first arc-shaped piece 71a and the second arc-shaped piece 71b are arranged in opposite directions, and the first arc-shaped piece 71a and the second arc-shaped piece 71b are locked and fixed through a locking bolt 71c. By adopting the structure, when the stirring blades are worn, the whole stirring main shaft does not need to be disassembled and then the stirring blades and the like are replaced, only the fastening sleeve corresponding to the worn stirring blades needs to be disassembled, and the work efficiency is improved while the time and the labor are saved.

Furthermore, a pure aluminum thin plate 75 is respectively arranged between the contact surfaces of the long stirring arm 72, the short stirring arm 73 and the stirring blade 74, the long stirring arm 72 and the short stirring arm 73 are respectively locked and fixed through bolts. Adopt this structure, pure aluminium sheet metal stacks up between the contact surface through at stirring long arm and stirring short arm and stirring vane promptly, because of long stirring arm, short stirring arm and stirring vane are the casting, at long stirring arm, short stirring arm and stirring vane's surface all can have unevenness's hole, when stirring vane fastens with the bolt lock, middle softer pure aluminium sheet metal will be extruded into long stirring arm and stirring vane, in short stirring arm and the unevenness's of stirring vane contact surface hole, will the diversion increase long stirring arm like this, short stirring arm respectively with stirring vane's contact surface, increase frictional resistance, play stirring vane and long stirring arm when preventing the operation, short stirring arm relative slip's effect. Compared with the traditional stirring blade, the long stirring arm and the short stirring arm which are additionally provided with the anti-slip teeth, the mounting mode has the advantages that the gap between the stirring blade and the lining plate of the stirring cylinder can be easily adjusted to a required smaller distance, the stirring blade is adjusted according to the tooth pitch multiple of the anti-slip teeth if the anti-slip teeth are used, the distance between the stirring blade and the lining plate of the stirring cylinder is not well controlled, the clamping materials between the stirring blade and the lining plate of the stirring cylinder can be reduced when the distance between the stirring blade and the lining plate of the stirring cylinder is well controlled, the abrasion between the stirring blade and the lining plate of the stirring cylinder is too fast, and the service life of the stirring blade and the lining plate can be.

Further, the stirring vanes 74 are of a wedge-shaped plate-like structure with a thick top and a thin bottom. Adopt this structure, because at the stirring in-process, stirring vane is nearest from the agitator tank welt, easily presss from both sides the aggregate between blade and the welt, and consequently the stirring vane top is close to agitator tank welt position wearing and tearing most seriously, so adopt the wedge design with stirring vane, be the thin structure in the thick bottom in top, just so can prevent that the top from polishing soon, extension stirring vane life.

Furthermore, a plurality of filling holes 74a are formed on the stirring end surface of the stirring blade 74. By adopting the structure, namely, the stirring end face is provided with the porous net formed by the plurality of filling holes, so that the stirring blade can be quenched more easily during quenching, the wear resistance of the blade is improved, the mixture can be filled into the filling holes during stirring, a mixture protective layer is formed on the stirring end face, the material is ground, the effect of protecting the stirring blade is achieved, and the service life of the stirring blade is prolonged.

Furthermore, each speed reducing motor 3 is fixedly connected to the outer side of the stirring cylinder 1, and an output shaft of each speed reducing motor 3 is connected with the stirring main shaft 2 through a coupling 6; the two speed reducing motors 3 on the same stirring main shaft 2 rotate in the same direction. By adopting the structure, the four speed reducing motors are uniformly distributed on two sides of the stirring steel, and the torque of the speed reducing motors on the stirring main shaft can be uniformly distributed on two sides, so that the stirring main shaft is prevented from being damaged due to concentrated stress on one side; and meanwhile, when the four speed reducing motors are selected to meet the use requirements, the types of the speed reducing motors can be properly selected, and the power is lower, so that the load on a circuit is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a large-scale stirring host computer, includes that agitator tank (1), stirring main shaft (2) and gear motor (3), set up in agitator tank (1) stirring main shaft (2), gear motor (3) are connected its characterized in that with stirring main shaft (2): a plurality of stirring main shafts (2) which are horizontally arranged are arranged in the stirring cylinder (1), a plurality of groups of stirring arm groups (4) are uniformly distributed on each stirring main shaft (2) along the length direction of the stirring main shaft, the stirring arm groups (4) on two adjacent stirring main shafts (2) are arranged in a reverse direction, two adjacent stirring arm groups (4) on the same stirring main shaft (2) are longitudinally inclined at an angle of 45 degrees along the direction of the stirring main shaft (2), and spiral lines formed by the two stirring arm groups (4) on the other stirring main shaft (2) are mutually staggered; the two groups of stirring arm groups positioned at the same tail end of the same stirring main shaft (2) are two groups of returning arm groups (5), and the returning arm groups (5) on the two stirring main shafts (2) are positioned at different sides; the head end and the tail end of each stirring main shaft (2) are respectively provided with a speed reducing motor (3).

2. The large stirring main machine according to claim 1, wherein: the quantity of stirring main shaft (2) is two, and the stirring main shaft that is located agitator (1) inner chamber front side is first stirring main shaft (21), and the stirring main shaft that is located agitator (1) inner chamber rear side is second stirring main shaft (22), first stirring main shaft (21) and second stirring main shaft (22) are tandem and set up side by side, along this first stirring main shaft clockwise slope 45 setting between two adjacent stirring arm group (4) on first stirring main shaft (21), along this second stirring main shaft anticlockwise slope 45 setting between two adjacent stirring arm group (4) on second stirring main shaft (22).

3. The large stirring main machine according to claim 2, wherein: the two groups of return arms (5) on the first stirring main shaft (21) are arranged at the right end of the first stirring main shaft (21), and the two groups of return arms (5) on the second stirring main shaft (22) are arranged at the left end of the second stirring main shaft (22).

4. The large stirring main machine according to claim 1, wherein: return arm group (5) and stirring arm group (4) and all include adapter sleeve (71), long stirring arm (72) and short stirring arm (73), adapter sleeve (71) are through bolt locking on stirring main shaft (2), long stirring arm (72) and short stirring arm (73) fixed connection are on adapter sleeve (71), long stirring arm (72) and short stirring arm (73) are located the not equidirectional of adapter sleeve (71), and long stirring arm (72) and short stirring arm (73) are a word form and distribute on adapter sleeve (71), keep away from long stirring arm (72) and short stirring arm (73) all be provided with a stirring vane (74) on the tip of adapter sleeve (71).

5. The large stirring main machine according to claim 4, wherein: be for not having the interval arrangement between two adjacent adapter sleeve (71) on stirring main shaft (2), each adapter sleeve (71) all include first arc piece (71a), second arc piece (71b), the interior concave surface of first arc piece (71a) and second arc piece (71b) sets up in opposite directions, and carries out locking through locking bolt (71c) between the two and fix.

6. The large stirring main machine according to claim 5, wherein: and pure aluminum sheets (75) are respectively arranged in the middle of the contact surfaces of the long stirring arm (72), the short stirring arm (73) and the stirring blade (74), the long stirring arm (72) and the short stirring arm (73) are respectively locked and fixed through bolts.

7. The large stirring main machine according to claim 6, wherein: the stirring blade (74) is of a wedge-shaped plate-shaped structure with a thick top and a thin bottom.

8. The large stirring main machine according to claim 7, wherein: and a plurality of filling holes (74a) are formed in the stirring end face of the stirring blade (74).

9. The large stirring main machine according to claim 1, wherein: each gear motor (3) is fixedly connected to the outer side of the stirring cylinder (1), and an output shaft of the gear motor (3) is connected with the stirring main shaft (2) through a coupler (6).

10. A large stirring main machine according to claim 9, characterized in that: the two speed reducing motors (3) on the same stirring main shaft (2) have the same rotation direction.