JP5042790B2 - Combine - Google Patents

Description

  The present invention relates to a combine that performs stalk reaping, grain threshing and selection.

  Combines are widely used for cutting stems, threshing and selecting grains. This type of combiner is constructed by assembling various parts (including assemblies and units) to the body frame, and the body frame is formed with an attachment portion for assembling various parts (for example, , See Patent Document 1).

For example, as shown in FIG. 8, a conventional machine body frame 100 includes a pipe frame 101 assembled by welding pipe materials, and mounting members 102 to 109 are welded to the pipe frame 101 to attach various parts. Part. Specifically, the control unit mounting member 102, the grain tank mounting member 103, the threshing unit mounting member 104, the lift frame mounting member 105, the lift cylinder mounting member 106, the engine mounting member 107, the oil tank mounting member 108, the transfer system speed change. A case attachment member 109 and the like are welded to the pipe frame 101.
JP 2006-94724 A

  However, since the conventional body frame has a large number of attachment members, there is a problem that not only the shape is complicated, but also there are many welded portions and the cost is increased. In particular, since many parts such as a lift frame, a lift cylinder, an engine, an oil tank, and a transfer system transmission case are assembled on the front side of the body frame, the number of attachment members is large and the shape is complicated.

The present invention was created with the object of solving these problems in view of the above circumstances, and the invention of claim 1 is a combiner configured by assembling various parts to a fuselage frame. In constructing the machine frame , the plate frame is formed by drawing the plate material and the pipe frame formed by welding the pipe material and superposing it from above to integrate it into the plate frame. Is a front / rear positioning part that determines the front / rear position of the plate frame by abutting from the front / rear direction of the pipe material of the pipe frame, and a left / right positioning part that abuts the pipe material of the pipe frame from the left / right to determine the left / right position of the plate frame. In addition, the plate frame is configured to be positioned in the front / rear / right / left direction with respect to the pipe frame. In the lift frame, a reinforcement part is formed in an extended shape from the formation area of the attachment part of the lift frame that is used for connecting the pretreatment part to the rear frame, and the reinforcement part is fitted to the pipe frame from the upper side. It is the combine characterized by having comprised so as to oppose the load to the back which acts .
In this way, since a plurality of component attachment portions can be formed on the plate frame by drawing, the number of attachment members welded to the body frame can be reduced. As a result, not only can the shape of the fuselage frame be simplified, but also the number of welds can be reduced to reduce the cost of the fuselage frame.
According to a second aspect of the present invention, in the combine according to the first aspect, the plate frame is disposed on the front side of the body frame, and has at least an engine mounting portion formed by drawing a plate material. is there.
In this case, the front side of the machine body frame to which many parts (including the engine) are attached is constituted by the plate frame, so that the number of attachment members welded to the machine body frame can be efficiently reduced.

  Next, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a combine. The combine 1 stores a pre-processing unit 2 that harvests stems, a threshing unit 3 that threshs and sorts grains from the harvested stems, and stores the selected grains. A grain tank 4, a control unit 5 on which an operator gets on, and a crawler type traveling unit 6 are provided.

  2 to 7 show the fuselage frame 7 of the combine 1. As shown in FIG. 2, the machine body frame 7 includes a lift frame 8, a lift cylinder 9, an engine 10, an oil tank 11, in addition to the threshing unit 3, the grain tank 4, the control unit 5, and the traveling unit 6 described above. Many parts such as the transfer system shift case 12 are assembled.

  The machine body frame 7 of the present invention is configured by combining a pipe frame 13 assembled by welding pipe materials and a plate frame 14 formed by drawing a plate material. As shown in FIG. 3, the pipe frame 13 is integrally provided with a main frame portion 13a and a track frame portion 13b. The main frame portion 13a includes a threshing portion 3, a grain tank 4, a control portion 5 and the like. The traveling unit 6 is mounted on the track frame unit 13b.

  As shown in FIGS. 3 to 5, the plate frame 14 is disposed on the front side of the body frame 7. The plate frame 14 is formed with a plurality of component mounting portions formed by drawing the plate material, and various components are assembled to these component mounting portions.

  The plate frame 14 is superposed on the front side of the pipe frame 13 from above, and is integrated with the pipe frame 13 using fixing means such as welding. The plate frame 14 of the present embodiment has a front / rear positioning portion 14a that determines the front / rear position of the plate frame 14 by contacting the pipe material of the pipe frame 13 from the front / rear direction when superposed on the front side of the pipe frame 13 from above. The left and right positioning portions 14b that determine the left and right positions of the plate frame 14 are formed in contact with the pipe material of the pipe frame 13 from the left and right directions, and the positioning of the plate frame 14 with respect to the pipe frame 13 is facilitated.

  Next, the attachment parts for various components formed on the machine body frame 7 will be sequentially described.

  The threshing part attaching member 16 and the grain tank attaching part 17 are welded to the pipe frame 13, and the threshing part 3 and the grain tank 4 are assembled to these attaching members 16, 17.

  The control unit mounting frame 18, the lift cylinder mounting member 19 and the oil tank mounting member 20 are welded to the plate frame 14, and the control unit 5, the lift cylinder 9 and the oil tank 11 are assembled to these mounting members 18-20. It is done. The welding of the mounting members 18 to 20 to the plate frame 14 may be performed before or after the plate frame 14 is fixed to the pipe frame 13.

  The lift frame attachment portion 14c, the engine attachment portion 14d, and the transport system shift case attachment portion 14e are formed by drawing on the plate frame 14, and the lift frame 8 (pretreatment portion connection frame) is formed on these attachment portions 14c to 14e. The engine 10 and the transfer system transmission case 12 are assembled. The combine 1 according to the present embodiment includes a pair of left and right lift frames 8L and 8R, and the right lift frame 8R is also used as a support member for the transport system transmission case 12, so that the right lift frame mounting portion 14c is used. Will also function as the transport system shift case mounting portion 14e.

  Further, the plate frame 14 of the present embodiment is integrally formed with a reinforcing portion 14f that resists backward loads acting on the lift frames 8L and 8R and prevents the lift frames 8L and 8R and the plate frame 14 from falling backward. Has been. Specifically, the reinforcing portion 14f is formed in an extended shape from the formation region of the lift frame mounting portion 14c in the plate frame 14 toward the rear, and the reinforcing portion 14f is overlapped (fitted) to the pipe frame 13 from above. This counteracts the backward load acting on the lift frames 8L, 8R. In this way, even if the pretreatment unit 2 plunges into the soil or the like and a large rearward load acts on the lift frames 8L and 8R, the lift frames 8L and 8R are received by receiving the load by the reinforcing portion 14f. In addition, the plate frame 14 can be prevented from falling backward.

  The plate frame 14 of the present embodiment is integrally formed with mounting portions 14c to 14e for assembling various components. However, a part of the components may be integrally molded with the plate frame 14. . For example, the frame part of the threshing part 3 and the lower part of the grain tank 4 can be formed by drawing the plate material and integrated with the plate frame 14. In this way, not only can the cost be reduced by reducing the number of parts and the number of assembly steps, but the strength of the plate frame 14 can also be improved by adding a three-dimensional structure.

  Further, the pipe frame 13 can be reinforced as necessary. For example, the end of the pipe frame 13 (pipe material) is closed and urethane foam is injected into the hollow portion of the pipe material. In this way, the strength of the pipe frame 13 can be increased while suppressing an increase in the weight of the pipe frame 13.

  According to the present embodiment configured as described, in the combine 1 configured by assembling various parts to the body frame 7, the body frame 7 includes a pipe frame 13 assembled by welding pipe materials, Since the plate frame 14 formed by drawing the plate material is combined, a plurality of component attachment portions are formed on the plate frame 14 by drawing, so that the attachment member welded to the body frame 7 can be obtained. The number can be reduced. As a result, not only can the shape of the body frame 7 be simplified, but also the number of welded portions can be reduced and the cost of the body frame 7 can be reduced.

  The plate frame 14 is arranged on the front side of the body frame 7 and has at least an engine mounting portion 13d formed by drawing the plate material. Therefore, the body on which many parts (including the engine 10) are mounted. The front side of the frame 7 is configured by the plate frame 14, and the number of attachment members welded to the body frame 7 can be efficiently reduced.

  The plate frame 14 is superposed on the front side of the pipe frame 13 from above and is integrated with the pipe frame 13 by welding or the like. The plate frame 14 of the present embodiment has a plate frame 14 on the front side of the pipe frame 13 from above. When overlapped, the pipe frame 13 is brought into contact with the pipe material from the front and rear directions, and the front and rear positioning portions 14a for determining the front and rear positions of the plate frame 14 are brought into contact with the pipe material of the pipe frame 13 from the left and right directions. Since the left and right positioning portions 14b that determine the left and right positions are formed, the plate frame 14 can be easily positioned with respect to the pipe frame 13.

It is a side view of a combine. It is the perspective view which looked at the airframe frame in which various components were mounted from diagonally upward. It is the disassembled perspective view which looked at the body frame from diagonally upward. It is the perspective view which looked at the body frame except the track frame from the slanting lower part. It is the perspective view which looked at the body frame from diagonally upward. It is AA sectional drawing of a body frame. It is the perspective view which looked at the plate frame to which the lift frame was attached from back. It is the perspective view which looked at the body frame concerning a conventional example from the slanting upper part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combine 2 Pretreatment part 3 Threshing part 4 Grain tank 5 Steering part 6 Traveling part 7 Airframe frame 8 Lift frame 9 Lift cylinder 10 Engine 11 Oil tank 12 Conveyance system transmission case 13 Pipe frame 14 Plate frame

Claims (2)

In a combine constructed by assembling various parts to the machine frame , the machine frame is formed from above the plate frame formed by drawing the plate material and the pipe frame assembled by welding the pipe material from above. In the configuration by superposing and integrating, the plate frame comes into contact with the pipe frame of the pipe frame from the front and rear direction to determine the front and rear positioning portion of the plate frame and the pipe frame of the pipe frame from the left and right. The left and right positioning portions for determining the left and right positions of the plate frame are formed, and are configured to position the plate frame in the front, rear, left, and right directions with respect to the pipe frame. The reinforcement part is formed in an extended shape from the formation area of the attachment part toward the rear, A reinforcing portion that is fitted from above to the pipe frame, Combine, characterized by being configured so as to oppose the load in the rearward acting on the lift frame.   The combine according to claim 1, wherein the plate frame is disposed on the front side of the body frame and has at least an engine mounting portion formed by drawing a plate material.

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