JPH0143154Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an agitation device that is attached to a chemical liquid tank mounted on a chemical spray vehicle.

[Prior Art] As shown in FIG. 4, for example, a conventional stirring device of this type includes a shaft d rotatably inserted through a side wall b of a chemical liquid tank a via a bearing c. The structure is such that a blade body e such as a screw is attached to the inner end of the chemical liquid tank a of the shaft body d.

[Problem to be solved by the invention] However, in the conventional stirring device shown in Fig. 4, the shaft body d
is configured to be pivotally supported only on the side wall b of the chemical tank a, so for reasons of strength, one shaft body d
However, depending on the volume of the chemical tank a, it may be necessary to attach the blade e to multiple shafts d, and each shaft d
A plurality of power transmission means are required to rotate the motor, and there are problems to be solved such as an increase in cost due to an increase in the number of parts and an increase in assembly steps.

In addition, in order to solve the problem of the agitation device shown in FIG. 4, as shown in FIG.
There is also an agitation device that is rotatably installed through a shaft body d and has a plurality of blade bodies e attached to this shaft body d.
However, in this case, the length of the shaft body d becomes longer, and since the chemical tank a is usually made of synthetic resin such as FRP, the parallelism of the opposing side walls b and b is relatively poor. There are problems such as difficulty in aligning the opposing pair of bearings c and c.

[Means for Solving the Problems] This invention was developed in view of the above-mentioned circumstances, and a bearing is formed inside the bottom of a chemical liquid tank mounted on a chemical spraying vehicle, and the chemical liquid tank is attached to this bearing. one end of a shaft that rotatably extends through the side wall of the shaft, the other end of this shaft is connected to a drive means via a transmission means, and a portion of the shaft located within the chemical tank; This paper proposes a stirring device in which a blade body is attached to the blade body.

[Function] The above-described structure solves the problems of the conventional devices, and provides a stirring device that can reduce costs, shorten assembly time, and improve maintainability.

[Example] An example of this invention will be described below based on the accompanying drawings.

Fig. 1 is a schematic sectional view showing a chemical liquid tank equipped with the stirring device of this invention, Fig. 2 is a side view showing a part of this stirring device in cross section, and Fig. 3 is a part of this stirring device. FIG. In the figure, reference numeral 1 denotes a chemical liquid tank that can store a chemical liquid to be placed on a chemical dispersion vehicle (not shown) and is formed of FRP or the like. A shaft body 3 made of a corrosion-resistant material such as stainless steel is rotatably installed, and at this time, watertightness is maintained at the water seal 2a of the bearing 2 to prevent leakage of the chemical solution.

The inside of the bottom 1b of the chemical tank 1 has a downward U-shaped cross section and a pair of mounting holes 4a, 4.
A mounting base 4 in which a is formed is fixed by molding or the like, and a bracket 5 is formed with mounting holes 5a, 5a having an inverted T-shaped cross section and elongated holes perpendicular to the shaft body 3. It is mounted on the upper part of the mounting base 4 so as to be movable in a direction orthogonal to the shaft body 3 by means of bolts 6, 6 and nuts 7, 7 inserted through both mounting holes 5a, 5a. A mounting hole 5b is formed in the upper part of the bracket 5, and a mounting hole that is a vertically long elongated hole is formed below the bearing part 8a into which a cylindrical brass bush 8d is inserted. The in-tank bearing 8, which has a mounting bracket 8c formed with a mounting bracket 8b projecting thereon, is mounted by bolts 9 and nuts 10 so as to be movable up and down and adjustable in inclination in the up and down direction via the mounting bracket 8c. A brass bushing 8d is inserted into the bearing part 8a of the tank internal bearing 8, and the shaft body 3 that contacts the bushing 8d of the bearing part 8a is made of stainless steel as described above. Since they are different, it is possible to identify replacement parts for wear and tear between the two.

A portion of the shaft body 3 inside the chemical liquid tank 1 is penetratingly supported by the tank internal bearing 8 . Further, the side wall 1a of the shaft body 3 is cut between the bearing 2 and the in-tank bearing 8 to form a cut portion 3a, and the cut end portion is inserted into the cut portion 3a. A joint means 11 is interposed, which is a cylindrical sleeve 11a made of steel or synthetic resin, and fixing bolts 11b attached thereto. Furthermore, the shaft body 3 has a pair of screw-shaped blade bodies 13, 13, each having a plurality of blade parts 13 arranged around a boss 13a, on both sides of the in-tank bearing 8. They are each attached by connecting stop bolts 13c. Note that the pair of blade bodies 13, 13 can also be both mounted between the bearing 2 of the side wall 1a and the in-tank bearing 8.

Further, a pulley 14a of a transmission means 14 such as a belt pulley is attached to the outer end of the shaft body 3 passing through the side wall 1a of the chemical tank 1 with a stop bolt 14b, and is connected to a drive means such as an engine (not shown). be done.

[Effects of the invention] As described above, the stirring device according to this invention has the following effects.

(1) Since the shaft penetrates only one side wall of the chemical tank, only one bearing, which is made watertight with a water seal, etc., is required, and only one belt/pulley mechanism is required as the transmission means. It is possible to reduce the number of parts and the number of assembly steps, thereby reducing costs.

(2) Vertical direction of the bearing in the tank, orthogonal to the shaft,
The inclination of the shaft body can be freely adjusted in the orthogonal direction and the vertical direction, making it easy to align the bearing on the tank side wall and the bearing inside the tank, making assembly easier and reducing assembly time. can.

[Brief explanation of drawings]

Fig. 1 is a schematic sectional view showing a chemical liquid tank equipped with the stirring device of this invention, Fig. 2 is a side view showing a part of this stirring device in cross section, and Fig. 3 is a part of this stirring device. 4 and 5.
The figures are schematic plan views of chemical liquid tanks each equipped with a different conventional stirring device. In the figure, 1... Chemical tank, 2... Bearing, 2a... Water seal, 3... Shaft body, 3a... Cutting section, 4... Mounting base, 5... Bracket, 8...
... Tank internal bearing (bearing), 11 ... Coupling means, 1
3...Blade body.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A bearing is formed inside the bottom of a chemical liquid tank mounted on a chemical spray vehicle, and one end of a shaft body rotatably inserted through the bearing into the side wall of the chemical liquid tank. A stirring device in which the other end of the shaft is connected to a drive means via a transmission means, and a blade is attached to a portion of the shaft located within the chemical liquid tank. (2) The agitation device according to claim 1, wherein the bearing is mounted so as to be movable in a direction orthogonal to the shaft. (3) The stirring device according to claim 1, wherein the shaft body is installed in a watertight manner through the side wall of the chemical liquid tank. (4) The stirring device according to claim 1, wherein the shaft body is made of a corrosion-resistant material. (5) The stirring device according to claim 1, wherein a coupling means such as a coupling is interposed between the side wall of the chemical tank and a bearing in the shaft body. (6) The stirring device according to claim 4, wherein the coupling means has a circular or square cross section. (7) The stirring device according to claim 4, wherein the material of the joint means is made of steel or synthetic resin. (8) The stirring device according to claim 4, wherein the coupling means and the shaft are connected by a set screw or a key. (9) The stirring device according to claim 1, wherein the blade body is disposed between the bearing and the side wall of the chemical tank. (10) The stirring device according to claim 1, wherein the blade bodies are arranged on the left and right sides with the bearing as a boundary.