JP5743816B2 - Combine driving section - Google Patents

Description

  The present invention relates to maintenance of a control unit provided in an operation section of a combine.

A driver's seat frame is provided at the front lower side of the seat, a microcomputer and a signal checker are arranged in the driver's seat frame, and the step surface of the driver's seat frame is configured to be opened and closed with a hinge shaft as a fulcrum. In this case, a combine shown in Patent Document 1 in which a signal checker can be easily visually recognized by opening a step surface is known.
In this system, the signal checker is configured as a separate unit from the microcomputer, and the microcomputer is arranged so that the substrate faces in the vertical direction in a state of being covered with the case, thereby ensuring the visibility of the signal checker. In addition, the dust and waterproof performance of the signal checker is secured. (See Patent Document 1).

Japanese Patent No. 353459

Since the signal checker and the microcomputer are configured as separate units in the above-mentioned Patent Document 1, the number of parts increases and waterproof and dustproof properties must be secured for each of them. However, there was a problem that the cost increased.
In addition, when the specification of the signal checker has to be changed, there is a problem that the cost is further increased.

According to the first aspect of the present invention, a driving unit 6 is constituted by a driving seat 22 on which an operator is seated and a driving step 23 arranged in front of the driving seat 22. The control unit for various controls is provided in the driving unit 6. 42, the operation step 23 includes a step frame 36 that opens upward and a step cover 37 that closes the open portion 35 above the step frame 36 to form a step surface. The left end side of the step cover 37 is pivotally supported by a pivot shaft 37E in the front-rear direction, and the right end side of the step cover 37 is configured to be pivotable upward, so that the upper side of the step frame 36 is The open portion 35 is configured to be switchable between a closed state and an open state, and the control unit 42 is provided on the substrate surface with a maintenance display portion. 5 and a microcomputer case 52 that covers the microcomputer substrate 51, and the maintenance display unit 55 can be seen through from a display surface 58 that constitutes one side of the microcomputer case 52. The control unit 42 is supported on the lower surface of the step cover 37 so that the display surface 58 of the microcomputer case 52 is located on the surface opposite to the step surface of the step cover 37, and the step cover 37 When the control unit 42 is in the closed state, the control unit 42 is housed in the step frame 36. When the step cover 37 is in the open state, the control unit 42 projects out of the step frame 36. The display unit 55 can be easily operated by an operator seated on the operation seat 22. Characterized in that a can be sure.
According to a second aspect of the present invention, the maintenance operation portion 56 provided on the microcomputer board 51 is provided to face the opening 62 provided on the display surface 58 of the microcomputer case 52, and the opening 62 is provided. A lid 64 for closing the inside of the housing so as to be visible can be opened and closed.

According to the first aspect of the present invention, when the step cover is in the closed state, the upper surface side of the control unit is protected by the step cover, and the microcomputer board in the microcomputer case can be disposed with the board surface facing downward. As well as ensuring waterproofness, the operator can easily check the control system including the control unit while sitting on the driver's seat, since the maintenance display unit built into the control unit can be viewed when the step cover is open. be able to.
Further, since it is not necessary to provide the maintenance display unit as a separate unit, the number of parts can be reduced, the cost can be minimized, and the specification of the maintenance display unit can be easily changed.
According to the second aspect of the present invention, the maintenance operation unit provided on the microcomputer board can be easily visually recognized, so that the operation can be reliably performed, and in addition to the control unit, the dustproof and waterproof properties can be easily obtained. It can be secured.
Further, since it is not necessary to provide the maintenance operation unit as a separate unit, the number of parts can be reduced, the cost can be minimized, and the specification of the maintenance display unit can be easily changed.

The right view of a combine. The left view of a combine. The top view of a combine. The right view of a driving part. The top view of an operation part. The perspective view of an operation step. The right view of the operation part which opened the step cover. The top view of the operation part which opened the step cover. The perspective view of the operation step which opened the step cover. The front view of a control unit. The front view of the control unit which opened the lid | cover. The perspective view of a battery mounting part.

  Below, the combine which concerns on embodiment of this invention is demonstrated based on drawing. Note that the direction in the description is based on the state where the operator is seated on the aircraft.

[Outline of combine]
1 is a right side view of the combine, FIG. 2 is a left side view of the combine, and FIG. 3 is a plan view of the combine.
An airframe (combine) 1 has an airframe frame 3 supported by a pair of left and right crawler travel devices 2, and a pre-processing unit 4 is provided in front of the airframe 1 so as to be movable up and down. A driving unit 6 is provided on the right rear side of the preprocessing unit 4 so that an operator can perform a driving operation. On the left rear side of the pretreatment unit 4, a threshing unit 7 is provided for threshing and selecting the grains from the stems that are cut and conveyed by the pretreatment unit 4. On the right side of the threshing unit 7, a Glen tank 8 for storing the selected grain is provided. A discharge auger 9 for discharging the grains stored in the grain tank 8 is provided so as to be able to swivel and undulate from the right rear of the grain tank 8 to the left front of the threshing unit 7. Behind the threshing unit 7 is provided a post-processing unit 11 for post-processing the threshed waste.

[Configuration of operation unit]
4 is a right side view of the operation unit, FIG. 5 is a plan view of the operation unit, FIG. 6 is a perspective view of the operation step, FIG. 7 is a right side view of the operation unit with the step cover opened, and FIG. FIG. 9 is a perspective view of an operation step with the step cover open.
The operation unit 6 includes an operation frame 21 placed on the body 3, an operation seat 22 placed above the front part of the operation frame 21, and an operation step 23 placed on the body 3 in front of the operation frame 21. A side panel 24 configured to the left of the driving frame 21 and the driving step 23 to cover the left side of the driving unit 6, and a front panel covering the front of the driving unit 6 to the front of the driving step 23 and the side panel 24. 26.

[Configuration of side panel]
On the upper surface of the side panel 24, there is a main transmission lever 27 that is provided at the front of the side panel 24 and is operated to change the running speed in a stepless manner. A shift lever 28 and a control operation means 29 for operating the settings of various control devices provided behind the main shift lever 27 are provided. On the right side surface of the side panel 24, a left and right fulcrum provided at the lower portion of the side panel 24 is provided. A parking brake pedal 32 that rotates from the upper position to the lower position against the urging force is provided with the shaft 31 as the rotation fulcrum.

[Configuration of front panel]
On the upper surface of the front panel 26, there are provided a multi-steering lever 33 which is provided at the right part of the front panel 26 and steers the combine 1 left and right, and a meter unit 34 which is provided at the center of the front panel 26 and displays various information. .

[Composition of operation steps]
The operation step 23 includes a step frame 36 having an open portion 35 above and a step cover 37 that forms a step surface by closing the open portion 35 provided above the step frame 36.
The step cover 37 includes a step mat 37A configured by a flexible member whose surface is anti-slip processed, a mat 37B configured by a flexible member that insulates and insulates the opening 35, and a plate that configures the step. The step mat 37A, the mat 37B, and the plate 37C are fastened together by bolts 37D.
The step cover 37 is configured such that the right end can be flipped upward, and the step mat 37A is provided with a slit at a position rearward of the front panel 26 to a right position of the parking brake pedal 32, and is positioned rearward of the slit of the step mat 37A. Thus, the position on the right side of the parking brake pedal 32 is configured as a step mat rotating portion 37a.
The mat 37B is provided with a slit from the slit position of the step mat 37A to the right position of the parking brake pedal 32 at the rear position, and the right position from the parking brake pedal 32 at the rear position from the slit of the mat 37B is configured as a mat rotating portion 37b. doing.
The plate 37C is composed of a plate rotating portion 37c, which is a separate member, from the rear position of the mat 37B to the front position of the parking brake pedal 32 from the rear end of the mat 37B. ) It is supported via 37E so as to be pivotable upward.

On the right side surface of the step frame 36, an upper boarding / unloading step 38 is provided at the vertical center position, and the operator is provided with a lower boarding step 39 and an upper boarding step 38 provided on the right side of the body frame 3 below the boarding step 38. Get on and off.
In the step frame 36, a hydraulic valve unit 41 for driving various hydraulic devices mounted on the machine body 1 and a control unit 42 for various controls mounted on the machine body 1 are mounted. The control unit 42 supports the plate 37c, which is the back surface of the step cover 37, via a bracket 42a.
Above the front part of the step cover 37 is provided with a footrest 43 on which a foot is placed when the operator is seated on the operation seat 22, and is supported on a support 43a that supports the footrest 43 so as to be pivotable upward via a pin 43b. doing.

[Control unit configuration]
FIG. 10 is a front view of the control unit, and FIG. 11 is a front view of the control unit with the lid open.
The control unit 42 includes a microcomputer board 51, a harness 51 a connected from the microcomputer board 51 to various sensors and other control units mounted on the combine, and a microcomputer case 52 covering the microcomputer board 51.
On the microcomputer board 51, an LED checker 53 that displays whether the output to the hydraulic valve is normally performed by lighting a plurality of LEDs, and 7seg that displays various control information of the microcomputer by four 7-segment LED displays. A maintenance display unit 55 constituted by the display unit 54, a maintenance operation unit 56 for switching and setting various maintenance items by three switches, and a connector (maintenance) connected to an information terminal such as a personal computer. Connection portion) 57 is provided.

The display surface 58 constituting one side surface of the microcomputer case 52 is provided with an opening 59 at a position where the LED checker 53 can be visually recognized, and has a transparent frame 60 only in an upper part of the LED checker 53. The opening 59 is closed so as to be seen through by a mark 61 for displaying the contents.
The display surface 58 is provided with an opening 62 at a position where the 7seg display unit 54 can be visually recognized, a position where the maintenance operation unit 56 is operated, and a position where the information terminal can be connected to the connector 57. The opening 62 is closed in a state where the 7seg display unit 54, the maintenance operation unit 56 and the connector 57 can be seen through by a transparent lid 64 which is slidable via a rail 63 fixed to the back surface of the display surface 58. .

A hook 66 with a U-shaped notch is fixed to one side of the lid 64, and the hook 66 is sandwiched between the display surface 58 of the microcomputer case 52 and the bolt 67 with a knob in the state shown in FIG. Usually, the lid 64 is fixed so as not to slide.
When the bolt with knob 67 is loosened and the lid 64 is slid open, it overlaps with the LED checker 53. However, the lid 64 is made of a transparent material, so that the maintenance operation is performed with the lid 64 open. The display of the LED checker 53 and the 7seg display unit 54 can be confirmed while operating the switch of the unit 56.

[Step cover opening operation]
When the maintenance of the hydraulic valve unit 41 and the control unit 42 is performed, the step cover 37 is opened by the following procedure.
First, flip the footrest 43 upward and rotate it. Next, when holding the right end portion of the step cover 37 and lifting it upward, the plate rotating portion 37c of the three-layered step cover 37 flips upward via the hinge 37E and the step mat rotating portion. 37a and the mat rotation part 37b also follow and bend, whereby the step cover 37 is in an upright posture, and the hydraulic valve unit 41 and the control unit 42 can be maintained.
Note that the step cover 37 operated in the standing posture is a flexible member because the rear ends of the step mat rotating portion 37a and the mat rotating portion 37b protrude rearward from the front plate 21a of the operation frame 21. Since the rear ends of the configured step mat rotating portion 37a and mat rotating portion 37b are bent, the step cover 37 is locked to the front side plate 21a and maintains the standing posture.

[Configuration of battery mounting section]
FIG. 12 is a perspective view of the battery mounting portion.
Left and right lift frames 71 are provided at the front of the machine body frame 3 so as to support the pretreatment unit 4 through the horizontal support cylinders 4 </ b> A so as to be movable up and down. A battery 72 is placed in a space below the lift frame 71. The left side of the battery 72 is detachably covered by a battery cover 73 via a bolt 74 with a knob, and a large current fuse 76 is supported on the back surface (right side surface) of the battery cover 73.
As a result, the large current fuse 76 can be accessed simply by removing the bolt 74 with the knob and turning the battery cover 73, so that maintenance such as replacement work can be easily performed.

As described above, the operation section 6 is constituted by the operation seat 22 on which the operator is seated and the operation step 23 arranged in front lower part of the operation seat 22, and the operation of the combine equipped with the control unit 42 for various controls in the operation section 6. The operation step 23 is composed of a step frame 36 that opens upward and a step cover 37 that closes the open portion 35 above the step frame 36 to form a step surface, and the left end side of the step cover 37 is The opening part 35 above the step frame 36 is switched between a closed state and an open state by supporting the pivoting shaft 37E in the front-rear direction so as to be pivotable and by allowing the right end side of the step cover 37 to pivot upward. The control unit 42 is configured so that the microcomputer board 51 provided with the maintenance display unit 55 on the board surface, The microcomputer case 52 is configured to cover the substrate 51, and the maintenance display unit 55 can be seen through the display surface 58 that constitutes one side surface of the microcomputer case 52. The control unit 42 is supported on the lower surface of the step cover 37 so as to be located on the surface opposite to the step surface. When the step cover 37 is in the closed state, the control unit 42 is housed in the step frame 36. When the step cover 37 is in the open state, the control unit 42 protrudes out of the step frame 36 so that the maintenance display unit 55 can be easily seen by the operator seated on the operation seat 22.
As a result, when the step cover 37 is closed, the board surface of the microcomputer board 51 in the microcomputer case 52 can be disposed downward while protecting the upper surface of the control unit 42 with the step cover 37. When the step cover 37 is in an open state, the maintenance display unit 55 built in the control unit 42 can be visually recognized, so that the operator can check the control system including the control unit 42 and sit on the operation seat 22. It can be done easily.
Further, since it is not necessary to provide the maintenance display unit 55 as a separate unit, the number of parts can be reduced, the cost can be minimized, and the specification of the maintenance display unit 55 can be easily changed.

A maintenance operation unit 56 provided on the microcomputer board 51 is provided so as to face the opening 62 provided on the display surface 58 of the microcomputer case 52, and the lid 64 for closing the inside of the opening 62 so as to be visible can be opened and closed. Provided.
As a result, the maintenance operation unit 56 provided on the microcomputer board 51 can be easily visually recognized, so that the operation can be reliably performed and the dustproof and waterproof properties can be easily secured together with the control unit 42.
Further, since it is not necessary to provide the maintenance operation unit 56 as a separate unit, the number of parts can be reduced, the cost can be minimized, and the specification of the maintenance display unit 56 can be easily changed.

3 Airframe 6 Driving section 22 Operating seat 23 Operating step 35 Opening section 36 Step frame 37 Step cover 37E Rotating shaft 42 Control unit 51 Microcomputer board 52 Microcomputer case 55 Maintenance display section 56 Maintenance operation section 58 Display surface 62 Opening section 64 lid

Claims (2)

An operation seat (22) on which an operator is seated and an operation step (23) arranged at the front lower side of the operation seat (22) constitute an operation unit (6), and the operation unit (6) is used for various controls. A drive unit for a combine equipped with a control unit (42),
The operation step (23) is constituted by a step frame (36) that opens upward, and a step cover (37) that closes the opening (35) above the step frame (36) to form a step surface,
The left end side of the step cover (37) is rotatably supported by a rotation shaft (37E) in the front-rear direction, and the right end side of the step cover (37) is configured to be rotatable upward. The open part (35) above the frame (36) is configured to be switchable between a closed state and an open state,
The control unit (42) includes a microcomputer board (51) having a maintenance display section (55) on the board surface and a microcomputer case (52) covering the microcomputer board (51). 52) The maintenance display unit (55) can be seen through from the display surface (58) constituting one side surface,
The control unit (42) is attached to the step cover (37) so that the display surface (58) of the microcomputer case (52) is located on the surface opposite to the step surface of the step cover (37). Supported on the bottom,
When the step cover (37) is in a closed state, the control unit (42) is housed in the step frame (36), and
When the step cover (37) is in the open state, the control unit (42) protrudes out of the step frame (36), so that the maintenance display section (55) is seated on the operation seat (22). A combine operating unit that can be easily seen by an operator.   A maintenance operation part (56) provided on the microcomputer board (51) is provided to face an opening (62) provided on the display surface (58) of the microcomputer case (52), and the opening ( 62. The operating part of the combine according to claim 1, wherein a lid (64) for closing the inside of 62) so as to be visible can be opened and closed.

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