JPH04129740U - Combine pre-processing section holding device - Google Patents

Abstract

(57) [Summary] [Purpose] Even if it is not possible to secure the space required for rotation of the spindle holder, it is possible to easily and reliably lift the swinging spindle of the swinging frame without using the spindle holder. To provide a preprocessing part holding device that can be locked to a frame and thereby reduce the burden on a worker required for separating the preprocessing part or securing a work space for inspection and maintenance. [Structure] A swinging support shaft 18b with a mounting metal 20 fitted on one side is protruded from the upper end of the swinging frame 9 provided at the rear of the preprocessing frame 2 in a divided manner to the left and right, and at the front of the machine side. Lift frames 22a, 22 arranged at a predetermined interval
A removable support shaft holder 27 and a guide plate 30 having a guide recess 28 facing upward are provided at each upper end of the swing support shaft 18b.
While the guide plate 30 is still fitted to the mounting metal 2,
It was removably attached to 0.

Description

[Detailed explanation of the idea]

0001 This invention is a pre-processing holding device that connects and holds the pre-processing part of the combine harvester to the front of the machine. This is related to.

[Industrial application field]

0002

[Conventional technology]

Generally, the pre-processing section of a combine has many operating parts, and the various mechanisms are complex and diverse. Because of this, there are many opportunities for maintenance, inspection, and repair, etc., and it is difficult to handle only threshing. Since it is necessary to carry out handling operations, the pre-processing section has been built into the aircraft so that these operations can be easily performed. Detachable mechanism for detaching from the side or creating as large a working space as possible It is known that this method has been adopted. That is, as shown in FIGS. 3 and 4, the swing frame provided at the rear of the preprocessing frame 2 The mounting metal 20 is inserted into the swing shaft 18 of the system 9, and the base portion 20 of the metal 20 is inserted. a and the mounting base 22c of the lift frame 22 provided at the front part of the aircraft side using screws a, etc. It can be attached removably using a tightening tool, or the swing support shaft 18 can be attached with a lift lift. It locks into the support recess 25 provided on the arm 22 side, and the opening side of the support recess 25 is shaped like a U-shape. A rotating metal fitting 26 shaped like the opening and closing mechanism is used.

0003 However, in the former case, the base part 20a of the metal 20 and the It is difficult to match the screw position with the lift frame mounting base 22c. In the latter case, when the rotating metal fitting 26 is rotated, the space required for the rotation is must be secured above the rotating metal fitting 26, and in any configuration, there is a limit to In the installed installation space, there is no work space required for disconnecting the pretreatment unit, or for inspection and maintenance. It has the disadvantage that it is not possible to easily and reliably secure time. It was.

0004

[Problem that the idea aims to solve]

This invention was devised in view of the above-mentioned actual situation and to eliminate the drawbacks of the conventional ones. The purpose of this is to secure the space required for rotation of the spindle holder. Even if it is not possible, the swing frame can be swung without using the spindle holder. The dynamic support shaft can be easily and securely locked to the lift frame, allowing for pre-treatment. The number of workers required to separate parts, or secure the work space required for inspection and maintenance, etc. The present invention aims to provide a pretreatment holding device that can reduce the burden.

[0005]

[Means to solve the problem]

In order to solve the problem, the technical means adopted by this invention is to attach a mounting metal on one side. Place the fitted swing shaft on the left and right sides of the top end of the swing frame installed at the rear of the preprocessing frame. A lift frame that is distributed and protruded from the front of the aircraft, and is placed at a predetermined interval at the front of the aircraft. At each upper end of the While providing the respective plates and keeping the guide recess fitted to the swinging support shaft, The guide plate is detachably attached to the mounting metal. .

[0006]

[Effect]

Therefore, according to the present invention, in cases where it is not possible to use a spindle holder, Even with limited installation space, the pretreatment unit can be easily and reliably held on the aircraft. It is possible to improve workability during inspection and maintenance work.

[0007]

【Example】

The configuration of the present invention will be described in detail with reference to an embodiment shown in the drawings. In FIG. 1, reference numeral 1 denotes a preprocessing unit (not shown) connected and held at the front of the aircraft. , the pre-processing section 1 has a weeding body 3 attached to the tip of a pre-processing frame 2, and grain is placed behind it. A culm lifting case 4 is installed diagonally, and a cutting blade is installed behind the grain culm lifting case 4. A lifting and conveying device 6 is provided to convey the grain culm cut by 5 to a threshing section (not shown). It is being

[0008] The pretreatment frame 2 is a divider frame in the front-rear direction to which the grass dividing body 3 is attached. frame 7 and a removable lateral lower support rod that connects the rear end of the divider frame 7. 8 is formed in a U-shape, and near the lower support rod 8, there is a diagonal structure installed toward the rear. The lower end of the swing frame 9, which also serves as a drive transmission case for the preprocessing section 1, is attached. It is. Furthermore, there is a space between the lower end of the swing frame 9 and the grain culm lifting case 4. , a forward tilting frame 10 that also serves as a lifting transmission shaft case is connected, and a pretreatment frame 10 is connected to the Auxiliary arm 11, lift arm 12 and hydraulic cylinder connected to the rear end of arm 2 The preprocessing section 1 is configured to swing through a link mechanism 14 consisting of a slider 13. There is.

[0009] Further, at the upper end of the swing frame 9, as shown in FIG. A transmission case 16 is installed to transmit driving force from an engine (not shown) via a relay 15. A depth rotation case 17 is provided on the other side of the transmission case 16. At the same time, the swing frame 9 is automatically mounted on the lift frames 22a and 22b, which will be described later. Rocking support shafts 18a and 18b which are currently pivotally supported are provided to protrude in the left and right direction. A transmission shaft 15a of the pulley 15 is rotatably installed inside the shaft 18a, and other The swing support shaft 18b has an arcuate upper part and mounting holes 19, 19 in the lower part. A thick mounting metal 20 having a thickness of 20 mm is inserted therein.

0010 On the other hand, on the aircraft side, a lift frame 22 supported by support frames 21, 21 is provided. a, 22b are diagonally installed on the fuselage frames 23, 24 with a predetermined interval. At the upper end of one lift frame 22a, a support recess 25a is formed on the upper surface. The base 25 is fixed, and the spindle holder 27 is detachable via the regulating fitting 26. It is installed. Further, a guide recess 28 is provided at the upper end of the other lift frame 22b. is formed facing upward and fits into the mounting holes 19, 19 of the mounting metal 20. A guide plate 30 having bolt holes 29, 29 formed therein is fixed thereto. In addition, 31 is a tightening bolt for fixing the regulating fitting 26 to the base 25, and 32 is a mounting metal. This is a mounting bolt that connects the guide plate 30 to the guide plate 30.

[0011] In the configuration as described above, inspection is carried out between the preprocessing section 1 and the front part of the fuselage (not shown). In order to create a work space for maintenance, first, the Remove the transmission belt in advance, and remove the support shaft holder 27 that regulates the swing support shaft 18a. Remove the tightening bolt 31, rotate the regulating fitting 26 to the open side, and remove the mounting bolt. The mounting metal 20 and the guide plate are inserted into the swing support shaft 18b after removing the mounting plate 32. Release the screwed state with 30. Next, the hydraulic cylinder 13 of the link mechanism 14 is extended. When lengthened, the auxiliary arm 11 rotates between the auxiliary arm 11 and the lift arm 12. The pre-processing section 1 rotates upward around the fulcrum a, and the pre-processing section 1 is attached to the bottom of the front end of the divider frame 7. While shifting the grounding point of the part forward, hold the rear part, that is, the swing frame 9 from below. It operates as if it were to be lifted up. At this time, the swinging support shaft 18a at the upper end of the swinging frame 9, 18b are guides for the base 25 of the spindle holder 27 and the guide plate 30, respectively. The required work space is formed by separating from the recess 28, and in this state, inspection of necessary parts can be carried out. , just carry out maintenance.

0012 In addition, in order to support the preprocessing section 1 on the aircraft side again, the above operations can be performed in approximately the reverse order. However, when installing the swing shaft 18b on the lift frame 22b side, the mounting Since the barrel 20 remains inserted into the swinging support shaft 18b of the swinging frame 9, the guide The guide recess 28 of the plate 30 is fitted into the swing support shaft 18b from below, and then Rotate the fitted mounting metal 20 to open the mounting hole 19 of the mounting metal 20. , 19 are aligned with the bolt insertion holes 29, 29 of the guide plate 30. After that, take If the attached bolts 32, 32 are inserted into the bolt insertion holes 29, 29 and fixed, the swing support is fixed. The shaft 18b can be easily and securely attached to a predetermined position on the lift frame 22. In this embodiment, the handling depth rotating case is located near the upper part of the swinging support shaft 18b. 17 is narrow, making it impossible to use mechanisms such as the spindle holder 27. Even in this case, the swing support shaft 18b can be attached to the upper end of the lift frame 22b. Ru.

[0013]

[Effect of the idea]

In short, the present invention uses a swing shaft with a mounting metal fitted on one side, The upper end of the swinging frame installed at the rear of the processing frame is provided with protrusions distributed to the left and right. A removable support is attached to each upper end of the lift frame, which is placed at a predetermined interval in the front of the body. A shaft holder and a guide plate each having a guide recess facing upward are provided. At the same time, attach the guide plate to the mounting metal while keeping the guide recess fitted to the swing shaft. Since it is removably attached to the spindle holder, it is necessary to secure the space required for rotation of the spindle holder. Even if this is not possible, you can use the swing support of the swing frame without using the support shaft holder. The shaft can be easily and securely locked to the lift frame, making it possible to easily and securely lock the shaft to the lift frame. Extremely useful and practical technology that can reduce the burden on the worker when attaching and detaching It is effective.

[0014]

[Brief explanation of drawings]

FIG. 1 is a side view of main parts.

FIG. 2 is an exploded perspective view of essential parts.

FIG. 3 is a perspective view of main parts showing a conventional example.

FIG. 4 is a side view of main parts showing a conventional example.

[Explanation of symbols]

2 Preprocessing frame 9 Swing frame 18a Swing shaft 18b Swing shaft 20 Metal for mounting 22a lift frame 22b lift frame 27 Spindle holder 28 Guide recess 30 Information plate

Claims (1)

[Scope of utility model registration request] Claim 1: Swinging shafts with mounting metal fitted on one side are protruded from the upper end of the swinging frame provided at the rear of the preprocessing frame in a divided manner to the left and right, and at predetermined intervals at the front of the machine body. A removable support shaft holder and a guide plate having an upwardly directed guide recess are provided at each upper end of the lift frame, which is provided with a support shaft, and the guide recess is fitted into the swing support shaft. A pre-processing part holding device for a combine harvester, characterized in that a guide plate is detachably attached to a mounting metal while the unit is in the same position.