JP4500553B2 - Fuel tank mounting structure for combine - Google Patents

Description

  The present invention relates to a fuel tank mounting structure in a combine equipped with a hopper tank.

Conventionally, on the other side of the threshing machine placed on the vehicle body behind the mowing unit, the control unit and the Glen tank are arranged at the front and back, and the engine cover that covers the engine mounted below the seat seat of the control unit, the Glen tank The combine which installed the fuel tank in between is already well-known as shown in patent document 1. FIG.
The combine shown in this Patent Document 1 has a fuel tank mounting member erected from the vehicle body at the rear part of an engine cover having a seat that is configured to be able to turn and turn outward with the outer lower end as a fulcrum. The fuel tank is mounted and supported on the upper part where the mounting member is bent forward.
Japanese Utility Model Publication No. 62-190426 (first page, FIG. 1)

The combine shown in Patent Document 1 requires a special fuel tank mounting member at the rear part of the engine cover, and the bottom surface of the fuel tank is fixed to the fuel tank mounting member. Therefore, the combine has a simple and inexpensive mounting structure. In addition to being unsupportable, there are disadvantages in that vibration and heat of the engine are directly transmitted to the fuel tank via the fuel tank mounting member.
There is also a problem in that the connection structure between the fuel tank mounting member that is erected and fixed from the vehicle body and the engine cover that is supported to be able to turn over is complicated.

In order to solve the above problems, the fuel tank mounting structure in the combine of the present invention is firstly the other side of the threshing machine 3 placed on the vehicle body 1b, the front side with the control unit 4 and the rear side with the hopper tank 6. In the combine in which the engine E is mounted below the seat 4c of the control unit 4 and the fuel tank 2 is disposed above the engine cover 25 between the hopper tank 6 and the seat 4c , the hopper tank 6 The base end portion of the hopper support frame 11 that supports the hopper is attached and fixed to the cerealing cylinder 9 that is erected on the threshing machine 3, and the fuel tank 2 is attached to and supported by the hopper support frame 11 .

Secondly, the other side of the fuel tank 2 attached and supported by the hopper support frame 11 is attached and supported from the threshing machine 3 side , and the engine cover 25 is tilted sideways with the outer lower part as a fulcrum. The engine cover 25 is configured to be able to be switched to a rotating maintenance work posture, and the fuel tank 2 is not close to the threshing machine 3 side so that the fuel tank 2 does not prevent the engine cover 25 from being switched to the maintenance work posture. It is characterized in that it is attached and supported in a state of being spaced apart from the top .

As described above, according to the present invention, the base end portion of the hopper support frame 11 that supports the hopper tank 6 is attached and fixed to the cereal cylinder 9 that is erected on the threshing machine 3, and the fuel tank 2 is attached to the hopper support frame. 11 , the fuel tank 2 can be mounted and supported above the engine cover 25 with a simple and inexpensive structure, with the hopper support frame 11 that supports the hopper tank 6 also serving as a mounting member.

Moreover, the fuel tank 2 can be stably supported with a rigid structure by attaching and supporting one side thereof from the threshing machine 3 side.
Further, the engine cover 25 is configured to be switchable to a maintenance work posture in which the engine cover 25 is tilted and rotated toward the side with the outer lower portion as a fulcrum, so that the fuel tank 2 does not prevent the engine cover 25 from being switched to the maintenance work posture. By mounting and supporting the fuel tank 2 in a state of being spaced apart from the engine cover 25 at a position close to the threshing machine 3 side, the engine cover 25 is not directly subjected to vibration and maintenance of the engine cover 25 is performed. Switching to the working posture can be smoothly performed without complicating the cover structure.

  An embodiment of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a combine equipped with a fuel tank 2 by the mounting structure of the present invention. This combine 1 is mounted with a mowing part 1c in front of a vehicle body (traveling machine body) 1b having a crawler type traveling device 1a so that it can be raised and lowered, and a threshing machine 3 is mounted on the left side of the vehicle body 1b behind it. Around the right and left sides of the machine 3, a control unit 4 including a front control panel unit 4a, a side operation panel unit 4b, a seat 4c, and the like, and a grain storage unit 7 including a grain bagging unit 5 and a hopper tank 6 are arranged. is doing.

  Then, the cereals harvested by the reaping unit 2 are supplied to the threshing machine 3 for threshing, and the cerealed and sorted grains are accommodated in the hopper tank 6 through the cerealing cylinder 9 erected on the threshing machine 3. Further, the threshed waste is cut by a waste processing unit 3a provided at the rear of the threshing machine 3, and is subjected to a waste discharge process to perform a series of combine operations.

As shown in FIGS. 1 to 4, the grain storage unit 7 of the combine 1 is formed on the vehicle body 1 b behind the control unit 4 and above the flat floor 10 to suspend and support the straw bag W. A hopper tank 6 is connected to the upper part of the cereal cylinder 9 above the bagging portion 5 and attached and supported by a hopper support frame 11 described later.
The hopper tank 6 of the illustrated example is manufactured by blow molding of a plastic material as in the conventional case, and includes discharge cylinders 6a and 6a with shutters that are partitioned into a funnel shape at the bottom of the tank body and are formed in a bifurcated shape. Yes.

Each of the discharge cylinders 6a and 6a is provided with a pair of bag hooks 12 and 12 which are branched from the hopper support frame 11 and project backward from the bag hook frame 11a.
These bag hanging baskets 12 and 12 can be removed by being pulled out sideward (near side) while suspending and supporting a plurality of basket bags W, and are stored in the hopper tank 6 from the cereal cylinder 9 Is packed into the lower bag W from the discharge cylinder 6a, and the bag W filled with the grains is taken out of the machine.

The hopper support frame 11 is formed in an L shape in a plan view as shown in FIG. 4, and an attachment bracket 13 formed in the middle portion of the cereal cylinder 9 with an attachment portion 11 b provided at the base end thereof. It is detachably attached and fixed to. The hopper support frame 11 is provided with a flat tank mounting portion 15 at the bent tip, and a fuel tank mounting piece 16 and the bag hanging frame 11a are integrally provided in the middle.
The tank mounting portion 15 supports the hopper tank 6 by being detachably mounted and fixed by mounting screws 19 in contact with a rib-shaped mounting piece 17 protruding from the bottom slope of the hopper tank 6.

  Further, the bag hanging frame 11a extending rearward from the hopper support frame 11 is connected to a support frame 20 erected from the vehicle body 1b at the rear end thereof and supported in a substantially horizontal posture. Accordingly, the hopper tank 6 is supported by the hopper support frame 11 and the upper ends of the whipping cylinders 9 or, if necessary, the support frame 20 or the like.

  Next, the engine cover 25 and the fuel tank 2 of the engine E installed above the engine cover 25 will be described. The engine cover 25 has an upper cover 26 formed in an inverted U shape in a side view so as to cover the engine E mounted on the vehicle body 1b below the seat seat 4c from above, and an outer opening of the upper cover 26. The engine room is formed by a side cover 27 and the like that is provided and covers the outside of the engine E, and forms an engine room in which cooling air can be introduced and discharged.

The rear part of the engine cover 25 and the hopper tank 6 are arranged close to each other in the front-rear direction. And the seat 30c is mounted in the upper surface front side of the upper cover 26, and the space part 30 which can install the fuel tank 2 between the front side of the hopper tank 6 and the side wall of the threshing machine 3 behind the seat sheet 4c is provided. Forming.
Due to the mounting structure of the present invention, the fuel tank 2 is supported in the space 30 in a state of being spaced apart upward from the engine cover 25, and the engine cover 25 is turned over to the side with the outer lower part as a fulcrum. At this time, the fuel tank 2 does not hinder the switching to the maintenance work posture.

That is, in this embodiment, the fuel tank 2 has left and right rib-shaped attachment pieces 31 protruding from the outer peripheral surface thereof attached to the attachment pieces 16 of the hopper support frame 11 and the attachment brackets 32 provided on the side walls of the threshing machine 3. On the other hand, it is detachably supported by mounting screws 33, respectively.
At this time, it is desirable that the fuel tank 2 be installed close to the threshing machine 3 side at the corner portion formed by the threshing machine 3 and the hopper tank 6 in the space 30. In this case, the fuel tank 2 is disposed behind the seat 4 c. Since the tank 2 can be opened without facing greatly, the rear confirmation performed by the operator, the grain accommodation status, the visual recognition of the bag W, etc. are improved.

  As described above, the fuel tank 2 mounted and supported on the hopper support frame 11 that supports the hopper tank 6 has a special fuel tank support member provided in the space 30 formed between the back of the seat 4c and the hopper tank 6. Without being provided, the hopper support frame 11 can also serve as an attachment member, and can be stably attached and supported at a position spaced above the engine cover 25.

Therefore, according to the mounting structure of the fuel tank 2, the hopper support frame 11 can be used as a mounting member and can be supported by a simple and inexpensive structure. Moreover, the fuel tank 2 is stably supported and supported by a rigid structure by attaching and supporting one side thereof from the threshing machine 3 side.
In addition, since the fuel tank 2 is supported in the space 30 so as to be spaced above the engine cover 25, the fuel tank 2 is not directly subjected to the vibration of the engine cover 25, and the engine cover 25 is switched to the maintenance work posture. The movement can be performed smoothly without complicating the cover structure.

  Further, when the fuel tank 2 is installed close to the threshing machine 3 side at the corner portion of the space portion 30, the back of the seat 4c can be greatly opened, and the rear confirmation performed by the operator can be improved. There are advantages such as being able to.

  In addition, the fuel tank 2 can also be supported from the hopper support frame 11 other than the attachment structure which supports the other side from the threshing machine 3 side. In this case, as shown by an imaginary line in FIG. 4, an auxiliary attachment piece 16a is extended in the front-rear direction on the base side frame 35 of the hopper support frame 11 formed in an L shape in plan view, and the auxiliary attachment It is desirable to connect the tip end of the piece 16a and the attachment piece 31, so that both sides of the fuel tank 2 can be stably supported by the attachment pieces 16 and 16a of the hopper support frame 11.

It is a side view of the combine provided with the fuel tank which consists of an attachment structure of the present invention. It is an enlarged side view which shows the structure of the principal part of FIG. FIG. 3 is a plan view of FIG. 2 showing a cross section of the engine cover. It is a top view of FIG. 2 which shows the attachment structure of a fuel tank.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combine 1b Car body 2 Fuel tank 3 Threshing machine 4 Steering part 4c Seat seat 5 Grain bagging part 6 Hopper tank 11 Hopper support frame 16, 16a Mounting piece 25 Engine cover 30 Space part 32 Mounting bracket

Claims (2)

On the other side of the threshing machine (3) placed on the vehicle body (1b), a steering part (4) is arranged on the front side and a hopper tank (6) is arranged on the rear side, and a seat seat (4c) of the steering part ( 4 ) In the combine in which the engine (E) is mounted below the fuel tank (2) above the engine cover (25) between the hopper tank (6) and the seat (4c) , the hopper tank (6) The base end of the hopper support frame (11) that supports the cedar is attached and fixed to the cerealing cylinder (9) erected on the threshing machine (3), and the fuel tank (2) is attached to the hopper support frame (11). Mounting structure of fuel tank in supported combine. The other side of the fuel tank (2) attached and supported on one side by the hopper support frame (11) is attached and supported from the threshing machine (3) side , and the engine cover (25) is placed laterally with the outer lower part as a fulcrum. It is configured to be switchable to a maintenance work posture that tilts and turns toward the fuel tank, so that the fuel tank (2) does not prevent the engine cover (25) from being switched to the maintenance work posture. (3) The fuel tank mounting structure for a combine according to claim 1, wherein the fuel tank is mounted and supported in a state of being spaced upward from the engine cover (25) at a position close to the side .

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