JP2559283Y2 - Tank support structure for passenger management machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for supporting a tank in a passenger management machine for performing a control operation, a fertilization operation, and the like.

[0002]

2. Description of the Related Art
When performing a pest control or fertilizer application in this kind of riding management machine, it is necessary to mount a tank for storing a disinfectant solution or a fertilizer solution. Conventionally, however, since the tank is configured to be supported only by the fuselage frame disposed at the center of the traveling body in the front-rear direction, the tank load is received at the center of the body separated from the left and right rear wheels, and thus left and right. A large moment is applied to the rear wheels, so if a large-capacity tank is mounted, there is no risk of strength, such as damage to members, and it will adversely affect running performance. Therefore, solving these problems has been an issue.

[0003]

SUMMARY OF THE INVENTION The present invention has been conceived in view of the above circumstances and has an object to provide a structure for supporting a tank in a passenger management machine which can eliminate these disadvantages. In a passenger management machine equipped with a tank for storing a liquid agent such as a disinfectant solution or a fertilizer solution on a traveling machine body, the tank is configured as a left-right split type so that the tank is distributed and arranged on the left and right sides of the machine, and each of the left and right tanks is configured. The lower ends of the tank support stays that are mounted on the tank brackets, respectively, and protrude downward from the left and right tank brackets
The part is the final case where the rear wheel is provided from the differential gear
At the left and right ends of the case that houses the power transmission mechanism
While supporting the connection, the left and right tank brackets are
It is characterized by being integrally connected to a mast standing from a body frame . According to the present invention, a large moment can be prevented from acting on the rear wheels, and the driving performance can be improved.

[0004]

Next, an embodiment of the present invention will be described with reference to the drawings. In the drawing, reference numeral 1 denotes a traveling body of a passenger management machine, which is provided with a body frame 1a facing forward and rearward at the bottom center of the traveling body 1, and a transmission case at a front end of the body frame 1a. 2. While the front axle case 3 and the like are integrally assembled, a rear axle case 5 that supports the rear wheel 4 is attached to the left and right ends at the rear end of the body frame 1a. Are as before.

The rear axle case 5 includes a cylindrical main case 6 containing a differential gear (not shown) and the like.
An outer shell is formed by a final case 7 that is bent downward at the left and right ends of the main case 6, and a power transmission mechanism from the differential gear to the final case 7 is provided to provide a final case. A rear wheel axle 4a incorporated in the case 7 is driven. An adapter case 8 is further interposed between the left and right ends of the main case 6 and the final case 7 so as to drive the differential gear.
The case that houses the power transmission mechanism to the final case 7
Scan has been configured. In other words, the final case 7 is configured to secure the effective width of the space at the bottom of the fuselage as wide as possible by positioning the final case 7 on the left and right sides as much as possible, so that the final case 7 pushes down the already planted crops. It is designed to prevent inconvenience.

On the other hand, reference numeral 9 denotes a control device (boom sprayer) connected to a rear portion of the traveling body 1 via a lifting link 10. The control device 9 is a PTO shaft (not shown) on the traveling body 1 side. A disinfectant or the like is injected from a collapsible boom 11 by driving the pump P with the input power, and a tank 12 for storing a liquid agent such as a disinfectant is mounted on the traveling machine body. It is mounted on one side.

Reference numeral 13 denotes a tank bracket on which the tank 12 is mounted.
The left and right tank brackets 13 are mounted at left and right positions on the rear of the fuselage so as to support a pair of left and right tanks 12 formed in a right and left split type at positions above the rear wheels 4 respectively. A lower frame 14 for receiving the bottom of the tank 12, a horizontal frame 15 erected at the left and right ends of the lower frame 14 for receiving the left and right side surfaces of the tank 12,
A rear frame 16 and the like that are installed between the rear ends of the left and right horizontal frames 15 to receive the rear portion of the tank 12 are integrally framed.

Further, reference numeral 17 denotes the tank bracket 13
Shall apply in the support stays which are projecting suspended form in the lower part, the support stay 17, although those reinforced with Hozue shaped reinforcing member 18, the lower end portion of the support stay 17, before Kia Daputakesu 8 It is connected and supported. That is, the moment acting on the rear wheel 4 is reduced by supporting the load of the tank 12 at a position as close to the rear wheel 4 as possible.

A front stay 19 protrudes from the front end of the tank bracket 13. The front end of the front stay 19 supports the base end of the lifting link 10 so as to be vertically swingable. Mast 20 erected on body frame 1a
Are integrally connected to the That is, while the load of the tank bracket 13 is supported by the rear axle case 5 as described above, the steadying of the tank bracket 13 in the front-rear and left-right directions is performed using the body frame 1a.

A horizontal stay 21 is provided between the left and right tank brackets 13. The horizontal stay 21 measures the strength of the tank supporting portion based on integrally connecting the left and right tank brackets 13. However, the position of the horizontal stay 21 is set at a position close to the upper part of the lifting range of the lifting link 10, so that the left and right tank brackets 13 are strongly connected without obstructing the lifting operation of the lifting link 10. It can be supported.

Reference numeral 22 denotes a fixed band of the tank 12. One end of the fixed band 22 is locked by a locking portion 15a protruding from the upper end of one of the left and right horizontal frames 15, while the other is fixed. The end is fixed through a bracket 15b projecting from the upper end of the other horizontal frame 15 so as to be able to advance and retreat freely, whereby the upper end of the tank 12 protruding upward from the tank bracket 13 is fastened and fixed. However, the band portion 22a of the fixed band 22 is formed of a flexible metal plate.

In the embodiment of the present invention constructed as described above, the tank 12 for storing the disinfecting liquid or the like is provided with the traveling body 1.
The lower ends of the support stays 17 projecting downward from the tank bracket 13 are connected to the adapter cases 8 provided at the right and left ends of the rear axle case 5. Supported. Therefore, since the load of the tank 12 can be supported at a position as close to the rear wheel 4 as possible, the moment acting on the rear wheel 4 can be reduced, and as a result, the large capacity tank 12 Eliminates concerns about strength by avoiding inconveniences such as damage to members even when
Fortunately, driving performance can be improved .

In addition, since the support bracket 17 connects the tank bracket 13 and the adapter case 8 in a substantially vertical posture, the support bracket 17 is advantageous in terms of strength as compared with the case where the support bracket 17 is arranged in an inclined manner, or is a lightweight member. This can contribute to a reduction in the weight of the entire support member of the tank 12.

Further, since the tank 12 is formed in a left-right split type and is disposed substantially above the left and right rear wheels 4, the tank load may be applied to the traveling body 1 with a bias. In addition, the traveling performance can be improved by keeping the front-rear and left-right balance of the traveling body 1 good.

The tank bracket 13 is connected to the body frame 1a via the stays 19 and the mast 20 , so that the tank bracket 13 is secured to the front and rear and left and right directions by using the body frame 1a as a strength member. Can be performed effectively.

In the embodiment, the lifting link 10
A horizontal stay 21 for connecting the left and right tank brackets 13 is provided at a position close to the upper part of the elevating range, so that the left and right tank brackets 13 are strongly connected and supported without hindering the elevating operation of the elevating link 10 to achieve a remarkable strength increase. be able to.

Further, in the embodiment, the fixed band 22
Is formed of a metal plate, so that the strength can be increased and the durability can be improved as compared with the case where a rubber band or the like is used, or the tank 12 that protrudes upward from the tank bracket 13 can be fixed and the tank bracket can be fixed. 1
3 can be reduced in weight and size. That is, if the strength of the fixing band 22 is not sufficient, the tank bracket 13 needs to be formed large so as to surround the entire tank 12. However, since there is no such inconvenience, the tank bracket 13 can be reduced in size and weight. Become.

[0018]

[Effects] In summary, since the present invention is constructed as described above, a tank for storing a disinfectant solution, a fertilizer solution and the like is mounted on the traveling body, and is divided into left and right types. Tank brackets for each tank
A power transmission mechanism from the tank bracket to the final case via a support stay projecting downward is provided .
It is connected and supported by the left and right ends of the case . As a result, the tank load is supported at a position close to the rear wheel, and the moment acting on the rear wheel is reduced. Not only is it not possible to solve the strength anxiety such as breakage, but also the running performance is improved.

In addition, the left and right tank brackets are
Each is integrally connected to the mast standing on the frame
The front and rear and left and right directions of the tank bracket
Effective stopping using a strong body frame
be able to.

[Brief description of the drawings]

FIG. 1 is a side view of a passenger management machine.

FIG. 2 is a rear view of the main part of the same.

FIG. 3 is a rear view of the control device.

FIG. 4 is a partial perspective view of a tank bracket.

FIG. 5 is a perspective view of a fixing band.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Running body 4 Rear wheel 5 Rear axle case 8 Adapter case 9 Control device 12 Tank 13 Tank bracket 17 Support stay

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Masahiro Kuwaki 667-1 Iya-cho, Oaza, Higashi-Izumo-cho, Yatsuka-gun, Shimane Pref. JP-A-52-136716 (JP, A) JP-A-54-51606 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A passenger management machine having a traveling machine body equipped with a tank for storing a liquid agent such as a disinfectant solution or a fertilizer solution,
Together constituting the tank on the left and right split type so as to distribute disposed airframe left, mounted respectively each tank of the right and left in the tank bracket, the lower end of the tank support stay which is projected to the hanging shape from further left and right tank bracket The differential gear
Power transmission from a to the final case with rear wheels
The left and right ends of the case that houses the moving mechanism are connected and supported
The left and right tank brackets on the
A tank support structure for a passenger management machine, which is integrally connected to masts that are installed upright .