JPH1042679A - Cover structure for working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce labors of operations related to electric wirings such as wiring operations of the electric wirings or operations to connect and separate male couplers from female couplers. SOLUTION: This cover structure for a working machine is obtained by dividing electric wirings 33 in a machine body into the first wiring parts 33A on the side of cover holding parts 27 and the second wiring parts 33B on the side of a cover 25 and separately integrally forming female couplers 35 and male couplers 36, distributed and connected to divided terminals of the first wiring parts 33A and the second wiring parts with the cover holding parts 27 and held parts 28 for the cover 25. The cover structure is composed so as to connect the female couplers 35 to the male couplers 36 following the holding of the held parts 28 with the cover holding parts 27 and keep the electric wirings 33 in a state for enabling the electrical conduction and further so as to separate the female couplers 35 from the male couplers 36 following the release of the holding of the held parts 28 for the cover 25 with the cover holding parts 27 and keep the electric wirings 33 in a state for disabling the electrical conduction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cover structure for a working machine.

[0002]

2. Description of the Related Art Conventionally, in a cover structure of a working machine,
The electrical wiring was attached to the cover at a plurality of locations via attachments.

[0003] In general, the electrical wiring in the body is divided into a first wiring portion on the cover holding portion side and a second wiring portion on the cover side, and a divided end portion of the first wiring portion and the second wiring portion is provided. Female coupler and male coupler that are connected by sorting
Formed separately from the cover holding part and the held part of the cover,
A state in which the female coupler and the male coupler are connected and the electrical wiring is energized while the cover holding portion holds the held portion of the cover, and the holding of the cover held portion by the cover holding portion is released. Therefore, the female coupler and the male coupler are separated so that the electric wiring is not energized, so that when the cover is opened for maintenance or the like, for example, the movable member is suddenly driven by the electric motor. I was trying not to.

[0004]

According to the above-mentioned conventional construction, since the electric wiring is attached to the cover at a plurality of locations via the attachments, the work of attaching the electric wiring is troublesome. In addition, since the female coupler and the male coupler were formed separately from the cover holding portion and the held portion of the cover, the connection work and the separation work were performed by holding and holding the held portion of the cover and the cover holding portion. It had to be performed separately from the release work, and the work was troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to reduce the labor involved in electrical wiring, such as wiring of electrical wiring and connection / separation of female and male couplers. is there.

[0006]

[Means for Solving the Problems]

[Structure] The characteristic structure of the invention according to claim 1 is that the electric wiring in the body is divided into a first wiring portion on the cover holding portion side and a second wiring portion on the cover side, A female coupler and a male coupler that are distributed and connected to the divided end of the wiring portion are separately formed integrally with the cover holding portion and the held portion of the cover, and the cover held portion is provided with the cover held portion. As the female coupler is held, the female coupler and the male coupler are connected to each other, and the electric wiring is in an energizable state, and as the cover holding portion is released from holding the held portion of the cover, the female coupler is released. And the male coupler are separated from each other so that the electric wiring is in a non-conductive state.

A feature of the invention according to claim 2 is that the electric wiring is buried in the cover, and the terminals of the electric wiring are drawn out of the cover.

According to the first aspect of the present invention, the female coupler and the male coupler are connected to each other with the cover holding portion holding the held portion of the cover, so that the electric wiring can be energized. Since the female coupler and male coupler are separated and the electrical wiring is not energized as the cover holding part is released from the holding of the cover by the cover holding part, the worker disconnects the female coupler and male coupler. There is no need to connect and disconnect. Further, since the female coupler and the male coupler are separately formed integrally with the cover holding portion and the held portion of the cover, the structure can be simplified.

According to the second aspect of the present invention, since the electric wiring is buried in the cover and the terminals of the electric wiring are drawn out of the cover, the operator does not need to attach the electric wiring to the cover. The structure can be simplified.

[Effect] Therefore, according to the structure of the first aspect, it is possible to reduce the labor of the work related to the electric wiring such as the work of connecting and disconnecting the female coupler and the male coupler, and to make the structure compact. Was completed.

According to the first aspect of the present invention, the workability of the work related to the electric wiring such as the wiring work of the electric wiring can be improved, and the structure can be made compact.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a traveling machine body 2 equipped with a crawler traveling device 1, a mowing pre-processing unit 3 equipped with a front part of the traveling machine body 2 so as to be able to move up and down around a horizontal axis,
An operating unit 37 and a threshing device 4 mounted on the left side of the traveling machine body 2 are provided, and a waste straw processing unit 5 is provided at the rear of the threshing device 4 to constitute a combine.

As shown in FIG. 2, the waste straw processing unit 5 comprises:
At the rear of the threshing device 1, a waste straw cutter 6 and a binding device 7
And a discharge straw pinching and conveying device 8 extending rearward from the binding device 7 and a discharge straw three-dimensional discharging device 10 provided with a discharge guide 9 located at a transfer end portion of the discharge straw holding and conveying device 8. Is provided.

Above the waste straw cutter 6, a waste straw transport device 11 for receiving and transporting waste straw from the threshing device 4.
And a lid 1 for opening and closing the straw outlet 12.
3 is provided so as to be switched between an ascending open position (indicated by a phantom line in FIG. 1) and a descending closed position (indicated by a solid line) by swinging around the axis 13a in the lateral direction of the fuselage. . When the lid 13 is opened, the straw from the straw transporting device 2 enters the straw receiving port 12 and is shredded in the direction of the culm and falls downward.

When the lid 13 is closed, the outer surface side of the lid 13 moves the waste straw falling from the waste straw transporting device 11 in a sideways posture toward the waste straw receiving opening of the binding device 7 to form a waste straw path. Then, the scraper packer 14 squeezes and supplies the waste straw along the lid 13 from the waste straw receiving port of the binding device 7 to the binding space 15. When the amount of waste straw collected in the binding space 15 reaches a set amount, the string supply needle 16 provided in the string supply device portion 7A located above the binding space 15 of the binding device 7 is connected to the knotting device located below the binding space 15. The cord is supplied to the portion 7B, and the knot building 17 and the string holder 18 provided in the knot device portion 7B are provided.
Is operated, and the discharge arm 19 located in the knot device portion 7B discharges the bound waste straw bundle by pushing the door 20 out of the binding space 15 and popping out.

As a result, the discharge straw bundling apparatus 7 performs the binding processing of the discharge straw by the set amount, and discharges the waste straw to the rear of the machine in a long straw state without shredding. The discharged straw three-dimensional discharging device 10 transports the discharged straw bundle discharged from the binding device 7 in a sideways posture to the rear of the machine while holding the tip side so that the stock side hangs down by the discharged straw holding and conveying device 8 and drops. As it is released, the waste straw bundle falls in a vertical position and stands in the field,
By regulating the posture at the time of dropping the waste straw bundle to the vertical position by the discharge guide 9, the waste straw bundle from the binding device 7 is set up on the field.

As shown in FIG. 2 and FIG.
The binding device frame 21 supporting the upper frame portion 22 and the lower frame portion 23 made of a square pipe long in the lateral direction of the body.
And a support frame 24 (see FIG. 5) made of a U-shaped round pipe that is open frontward in a plan view and is cantilevered by a lower frame portion 23. The portion 7B is supported and connected to the lower frame portion 23 so as to project rearward from the lower frame portion 23 on the inner side of the support frame 24, and the lower frame portion 23 and the support frame 2
A cover 25 of a U-shape made of resin and supported by 4 covers both sides and the rear of the binding device portion 7B.

As shown in FIG. 5, to form the cover 25, a support plate 26 is fixed to the inner surface of the rear cover portion 25B along the left and right sides, and a support member for fitting the support frame 24 to the support plate 26. A pair of left and right second engagement members 28 (of the held portion) are formed with a pair of left and right first engagement members 27 (an example of a cover holding portion) which are formed with a mating groove 26A and fixed to the lower frame portion 23. Example) is provided at both free ends.

As shown in FIGS. 7, 8 (a) and 8 (b),
The first engaging member 27 is formed by forming an engaging hole 27a up and down, and the second engaging member 28 is formed by forming an engaging protrusion 28a up and down. Second engagement body 2
8, a first female coupler 35 and a first male coupler 36 to be described later.
Are integrally formed separately.

When assembling the cover 25, the cover 25 is attached to the support frame 2 from the assembling opening 25C side.
4 and pushed forward to elastically engage the second engagement body 28 with the first engagement body 27, and to support the support frame 24 of the cover 25.
The rear frame portion 24 of the support frame 24 is
B is inserted into the engagement groove 26A. With this, cover 2
Numeral 5 is fixed at a predetermined mounting position, and is shaped by a support frame 24 so as to exhibit strength as a cover, and covers the knotting device portion 7B.

When removing the cover 25, the cover 25 is pulled backward. Then, the engagement between the first engagement body 27 and the second engagement body 28 is released, the rear frame portion 24B of the support frame 24 comes out of the engagement groove 26A, and the cover 25 comes off the support frame 24.

As shown in FIGS. 7 and 8, a sensor (not shown) for detecting cutting of the binding string and a sensor (not shown) for detecting clogging of the waste straw of the waste straw holding and conveying device 8 are provided. The electric wiring 33 for transmitting the detection result to the automatic engine stop device (not shown) is connected to the first engagement body 27.
The first wiring portion 33A on the inner side (inside of the machine) and the second wiring portion 33B on the cover 25 side, and the first wiring portion 33A and the second wiring portion 33B are divided and connected to divided ends of the second wiring portion 33B. One female coupler 35 and first male coupler 36
Are formed integrally with the first and second engagement members 27 and 28, respectively. As the second engagement member 28 is elastically engaged with the first engagement member 27, the first female coupler 35 and the first male With the connection with the coupler 36 and the electric wiring 33 being able to conduct electricity, the first engagement body 27 is disengaged from the second engagement body 28,
The configuration is such that the first female coupler 35 and the first male coupler 36 are separated from each other, and the electric wiring 33 is in a power-disabled state.

As shown in FIG. 2, a support member 29 configured to connect the stirrer holding and conveying device 8 with a bolt is attached to a rear portion 25B of the cover 25, and the binding device frame 2 is provided.
1, a lateral cover 30 for a binding device is attached to one lateral end,
An upper cover 31 for the binding device is attached to the upper frame portion 22 of the binding device frame 21.

The upper cover 31 is, as shown in FIG.
The upper frame portion 2 is bolted to a cover mounting member 32 provided on the upper surface side of the upper frame portion 22.
It is attached to 2. As shown in FIG. 5, the electric wiring 33 is buried in the front end side of the upper cover 31 along the left and right sides, and the terminals of the electric wiring 33 are drawn out of the upper cover 31 so as to be connected to the second female coupler 34. Is connected.

As shown in FIG. 1, a plastic tank 38 is mounted on a pedestal 39 in front of the operating section 37 so that water can be poured into the plastic tank 38 when working in a wet field so that it can be used in place of the balance weight. It is composed. According to this configuration, the weight can be applied to the front side of the fuselage with much less labor than the metal balance weight.
Also, the weight can be easily changed and adjusted by taking in and out water according to the degree of the wetland. And when the balance weight is not required unlike the work in the dry field, the pedestal 39 can be used as a place for a spare fuel tank.

[Another Embodiment] The present invention can be applied not only to combine harvesters but also to other agricultural working machines such as tractors and working machines other than agricultural working machines.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is a side view of a combine straw discharging unit;

FIG. 3 is a plan view of a waste straw bundling apparatus.

FIG. 4 is a longitudinal sectional side view showing a mounting structure of an upper cover.

FIG. 5 is an exploded perspective view of a cover mounting structure of a knot device portion.

FIG. 6 is a partially cutaway plan view of a cover attachment structure of a knot device portion.

FIG. 7 is a perspective view of a first engagement body and a second engagement body.

FIG. 8A is a cross-sectional view of a first engagement body and a second engagement body in a separated state. FIG. 8B is a cross-sectional view of a first engagement body and a second engagement body in an engaged state.

[Explanation of symbols]

 25 Cover 27 Cover Holder 28 Holder 33 Electrical Wiring 33A First Wiring Part 33B Second Wiring Part 35 Female Coupler 36 Male Coupler

Claims (2)

[Claims] 1. An electric wiring inside a body is divided into a first wiring part on a cover holding part side and a second wiring part on a cover side, and is divided into divided ends of the first wiring part and the second wiring part. The connected female coupler and the male coupler are separately formed integrally with the cover holding portion and the held portion of the cover, and the female coupler is attached to the cover holding portion while holding the held portion of the cover. And the male coupler are connected to each other, and the electric wiring becomes energized, and the release of the cover holding portion from the held portion of the cover is released, so that the female coupler and the male coupler are separated from each other. Work equipment cover structure that is configured so that electrical wiring cannot be conducted. 2. A work machine cover structure in which electric wiring is buried in a cover, and terminals of the electric wiring are drawn out of the cover.