JPH0543649Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention picks up grass, straw, etc. scattered in a field with a pick-up section, forms it into a roll-shaped bale with a baler section, and also rolls the outer periphery of this bale. This invention relates to a related operating device for a work clutch lever and an accelerator lever in a roll baler that is wound by twines supplied from a binding device.

(b) Prior art Regarding the roll baler configured as described above, the applicant previously filed Japanese Patent Application No. 61-56274 (Japanese Unexamined Patent Publication No. 61-56274)
-210916), which has the configuration described in the specifications and drawings attached to it, which switches between driving the baler part during bale forming work and driving the baler part during bundling work. The work clutch lever and accelerator lever to be operated are installed separately, so when the binding work of wrapping twine around the outer circumference of a rolled bale is completed and the bale is removed, the work clutch lever can be operated to the neutral position at the same time. The accelerator lever also has to be moved to a low speed position, which makes the operation complicated and has the drawback of poor workability.

(c) Problems that the invention aims to solve The present invention has been improved and devised for the purpose of eliminating these drawbacks, improving workability, and reducing the fuel consumption of the engine. be.

(d) Means for solving the problems In order to achieve the above object, the present invention is constructed as follows.

That is, it is equipped with a baler part that forms a bale, a pick-up part installed in front of the baler part, and a binding device that wraps the twine around the bale, and forms a roll-shaped bale and wraps the twine around the outer periphery of the bale. The present invention is a roll baler that is used for bale-forming operations, and has a configuration in which the driving of the baler part during bale forming work and the driving of the baler part during bundling work are turned on and off by moving a single working clutch lever along a lever guide groove. An accelerator lever is provided near the lever guide groove and inserted into the lever guide groove, and the accelerator lever is operated in relation to the low speed position only when the work clutch lever is operated from the binding position to the neutral position. It is something to do.

(e) Operation With this configuration, first, the working clutch lever is operated to drive the bale section during bale forming operation, and the bale picked up by the pick-up section is formed into a roll-shaped bale in the bale section. Next, when the working clutch lever is moved along the lever guide groove, the bale section is driven during bundling operation, and twine is wrapped around the outer circumference of the roll-shaped bale and it is bundled.

When this binding work is completed, the bale is taken out. At this time, the work clutch lever is operated to the neutral position to cut off the drive to the baler section, and at the same time, the accelerator lever is operated to the low speed position and the engine is turned off. This results in low speed rotation.

(f) Examples The present invention will be explained below with reference to figures of examples.

First, to describe the overall structure of this roll baler, Fig. 4 is an explanatory diagram of the bale forming section, Fig. 5 is an overall side view, and Fig. 6 is a plan view of the same.
3 is the machine base having the traveling crawler 2, and 3 is the machine base 1.
3 is a pick-up section that is installed in front of the baler section so as to be movable up and down and has a pick-up guide plate 5; 6 is an engine section that is installed at the rear of the machine base 1 and has an engine 7 therein; Reference numeral 8 denotes a driving operation section which is arranged in the left and right center of the machine behind the engine section 6 and has an operation panel 9; 10 is a binding device installed inside the front side of the baler section 3; 11 is arranged on the left side of the driving operation section 8. 12 is a pickup lift adjustment handle for adjusting the support height of the pickup section 4; 13 is a travel clutch lever provided on the operation panel 9; 14, 14 are left and right side clutch levers; 15 is an auxiliary gear shift lever. be.

In the baler section 3, curved main and auxiliary shaping pipe conveyors 16 and 17 are disposed facing each other to form a bale forming chamber 18. As shown in FIG. Left and right endless chains 22, 22 are stretched between a drive sprocket 19 and an idler 20 via a chain guide 21, and a plurality of veil forming pipes 23 are horizontally suspended between these chains 22, 22 at equal intervals. The main shaping pipe conveyor 16 also has a drive sprocket 24 provided in the baler section 3 and an idle sprocket 2 provided in the pick-up section 4.
Left and right endless chains 29, 29 are stretched between the chain guides 26, 27, tension rollers 28, etc. between the chains 29, 29, and
A plurality of veil forming pipes 30 are horizontally suspended at equal intervals between them.

Furthermore, a pick-up rotation fulcrum shaft 31 is provided coaxially with the idle sprocket 25, and the base end of the pick-up case 32 of the pick-up section 4 is supported on the fulcrum shaft 31 so as to be able to move up and down.
A pick-up finger 35 is supported at the front end of the case 32 via an eccentric shaft 34, and when the main shaping pipe conveyor 16 is driven, the pick-up finger 35 is simultaneously rotated to pick up hay from the field and feed it into the bale forming chamber 18. It is configured as follows. The hay sent into the bale forming chamber 18 is formed into a roll-shaped bale A by the rotation of the conveyors 16 and 17, and the outer periphery of the bale A is tied by the binding device 10 to form a bale. Bale removal door 36 of forming chamber 18
It is designed so that it can be taken out of the machine.

As shown in FIG. 7, the output shaft 3 of the engine 7
7, connect the input shaft 38 of the traveling mission 33 to the pulley 3.
9a, 39b and 40a, 40b and belt 4
1a, 41b, and low speed and high speed travel clutches 42a, 42b which are tension rollers. Further, a counter shaft 43 is connected to the output shaft 37 by pulleys 44a, 44b and 45a, 4.
5b and belts 46a, 46b and a tension roller low-speed and high-speed working clutch 47.
They are interlocked and connected via a and 47b.

It is also provided with a rotation fulcrum shaft 48 that opens the main shaping pipe conveyor 16 rearward when taking out the bale A from the bale forming chamber 18.
The fulcrum shaft 48 is connected to the counter shaft 43 via 9, 50 and a chain 51.

Furthermore, the drive sprocket shaft 52 of the main shaping pipe conveyor 16 is attached to the fulcrum shaft 48.
3, 54 and a chain 55, and a sub-forming pipe conveyor 17 is connected to the fulcrum shaft 48.
The drive sprocket shaft 56 is connected to the sprocket 57,
58 and chain 59 to the fulcrum shaft 48, and the drive input shaft 60 of the binding device 10.
Low speed pulleys 61, 62 or high speed pulleys 63, 6
The pipe conveyors 16, 17 and the binding device 1 are interlocked and connected via the changeable belt 65, and the pipe conveyors 16, 17 and the binding device 1 are connected by engaging the work clutches 47a, 47b.
0 at low or high speed, and the belt 65
The binding device 10 is configured to be driven at a low speed or a high speed by changing the binding.

On the other hand, a rotating shaft 72 of a pick-up drum 71 is connected to the driven sprocket shaft 66 of the main shaping pipe conveyor 16 via sprockets 67, 68, a chain 69, and a pick-up clutch 70, and the drum 71 is rotationally driven via the conveyor 16. The grass straw is picked up by a pick-up finger 35.

As shown in FIGS. 4, 8 to 11, the binding device 10 is provided at a position obliquely above the drive sprocket shaft 56 in the front part of the bale forming chamber 18, and is attached to the side plate 3a of the baler section 3. , 3a, a driving and driven sprocket 76, 77 which are pivotally supported on the case 73 via respective sprocket shafts 74, 75, and a runner drive member which is stretched between these sprockets 76, 77. A runner moving chain 80 and the binding case 73
a binding clutch 84 which is installed inside the input case 81 and connectably transmits rotation from the input pulleys 62, 64 to the drive sprocket 76 via a pair of worm gears 82, 83; The input shaft 60 is supported via a receiving tube 85.
A roll drive shaft 86 integrally connected to the shaft 86, a main twine feed roll 87 supported by the shaft 86 via a one-way clutch (not shown) and operatively connected to the input shaft 60, and a roll case at the tip of the receiving tube 85. 88
The twine 92 is supported via the swinging fulcrum shaft 89 and the swinging plates 90a and 90b, and is pressed against the roll 87 against the force of the spring 91, and by the pressure contact force during rotation.
a secondary twine feeding roll 93 that feeds out the twine 92 to the front side of the bale A, a twine feeding guide ring 94 that is positioned below between the rolls 87 and 93 and freely guides the twine 92 in the left and right directions, and the swing plate 9.
a twine supply clutch wire 95 for closing the roll which is connected to 0a and presses the roll 93 against the force of the spring 91; a twine guide shaft 96 provided below the binding case 73 and substantially parallel thereto; and a guide plate for the shaft 96. A cutter 99 is provided swingably on the left side of the machine body through a rotation fulcrum shaft 98 at 97 to cut the twine 92 when binding is completed, and a cutter 99 is supported on the binding case 73 via a sliding member 100 and is attached to the chain 80. Eight locking pins 101 that are integrally attached to
A twine lateral feed runner 103 that is engaged and connected through a square-shaped engagement hole 102, and the runner 10.
3 and a runner twine guide 104 provided at the runner.

Further, as shown in FIG. 6, a roll box 105 containing two small twine rolls or one large twine roll is placed on the right side of the engine section 6, and the twine 92 from the roll box 105 is introduced into the binding device 10 section. At the same time, as shown in Fig. 8, the roll case 8
8 through the guide hole 106, each of the rolls 87, 9
The tip of the twine 92 is inserted into the annular body 94 below for three minutes, and the twine 92 is installed in a working state.

Further, a clutch arm 108 is connected to a shift fork 107 that operates the binding clutch 84 on and off, and one end of the twine guide shaft 96 is fixed to the clutch arm 108.
The other end of the shaft 96 is supported by the bundling case 78, and when the bale A is formed, the secondary twine delivery roll 93 is pressed into contact with the main twine delivery roll 87 which is rotationally driven in the twine 92 delivery direction via a one-way clutch. Let each roll 87,93
The twine 92 is sent out below this,
As shown in FIG. 10, in order to face the twine guide shaft 96 below the cutter 99 in front of the tip side of the sub-forming pipe conveyor 17, a twine feeding member, which is a twine feeding member, extends downwardly from the front cover 3b of the baler section 3. The loading plate 109 is attached to be swingable back and forth via a support shaft 110, and the twine 92 fed out from the front and rear rollers 87, 93 is pushed out and guided onto the pipe conveyor 16 near the bale A, and the conveyor 16 and the bale A are pushed out and guided.
The tip of the twine 92 is inserted between the two.

Further, when the swing plate 90b is connected to the support shaft 110 via the arm 111 and the link 112, and the wire 95, which is the twine supply clutch, is pulled to press the rolls 87 and 93, the twine supply clutch operates. In conjunction with this, the lower end side of the feed plate 109 is oscillatedly displaced in the direction of the bale forming chamber 18, and the tips of the twine 92 that are fed out downward from each roll 87, 93 are pushed out toward the bale A side by the feed plate 109. The bale A is held between the twine 92 on the twine 92 delivery side of the bundling device 10.
A feeding plate 109 is arranged to face the bale A.
By dropping the tip of the twine 92 onto the upper surface of the conveyor 16 closer to the upper surface of the conveyor 16, it is possible to hasten the start of wrapping the twine 92 around the bale A, while at the same time, as shown in FIGS. The front lower part of 104 is closed off with a feed plate 109 to protect the operator's hands from the cutter 99 during maintenance and inspection, and the feed plate 109 is pushed in to expand this lower side space to facilitate work. are doing.

Further, as shown in FIG. 8, in order to start wrapping the twine 92 around the bale A from the door 36 side provided on the left side of the machine, each roll 87, 9 of the binding device 10 is
The twine 92 drop position such as 3 is provided near the door 36, and the tip of the twine 92 is wrapped around the bale A, and the twine 92 is dropped by the rotation of the bale A.
2 is pulled out, the roll 87 is rotated idly at a higher speed than this driving speed, and the tension pulling out the twine 92 pushes up the twine guide shaft 96, and the twine guide shaft 96 is pushed up via the clutch arm 108 and shift fork 107. Binding clutch 8
4, drive the twine moving chain 80 and move the runner 103 to the door 3 on the left side of the aircraft as shown by the arrow.
Move the runner slightly to the 6 side, then move the runner 1 to the right side of the aircraft.
03, return the runner 103 to the center of the machine, cut the twine 92 with the cutter 99, and return the runner 103 to the stop position. After attaching, wrap twine 92 around the right side of veil A, and wrap twine 92 from the right side of veil A to near the center.
2 is wound back to complete the bundling of the bale A.

As shown in FIG. 11, when the runner 103 reaches the end of left and right movement, the eight locking pins 101 provided on the chain 80 engage the engagement hole 89 of the runner 103,
The runners 103 are temporarily stopped and held at the left and right ends of the bale A by continuously contacting the left and right inner edges 102a and 102b of the bale A.
2 are wound overlappingly.

Further, as shown in FIG. 8, the cutter 99 is brought into contact with this stopper 113, and when the runner 103 moves forward,
The twine 92 is in sliding contact with the back of the cutter 99, and while the twine 92 moves the cutter 99 back and forth, when the runner 103 moves back, the twine 92 is caught on the blade of the cutter 99 and cut. .

Furthermore, as shown in FIGS. 1 and 3, the clutch wire 114 of the low-speed working clutch 47a that drives the baler section 3 at low speed and the clutch wire 115 of the pick-up clutch 70 that controls the operation of the pick-up section 4 are connected via an arm 116. The clutch wire 117 of the high-speed work clutch 47b for driving the baler section 3 at high speed and the twine supply clutch wire 59 are connected to the work clutch lever 11 via an arm 118. Also, pick-up section 4
Pipe conveyor 16, 1 by grass straw taken in from
A low-speed work position 119 in which a bale A is formed in the bale forming chamber 18 between the conveyors 16 and 17, and a high-speed work position 119 in which the bale A is rotated between the conveyors 16 and 17 and a twine 92 is wrapped around the outer circumference of the bale A. position 120, twine feed roll 87,
A binding position 121 for feeding out the twine 92 from the lever guide groove 122 is formed in the lever guide groove 122, and the work clutch lever 11 is moved along the lever guide groove 122 to lock the work clutch lever 11 at the low speed work position 119. By this, the low-speed work clutch 47a and the pick-up clutch 70 are continued, and the pipe conveyors 16, 17 and the pick-up finger 35 are driven to perform the bale A forming operation, while the work clutch lever 11 is
By locking in the high speed working position 120,
By stopping the pick-up section 4, continuing the high-speed work clutch 47b, driving the pipe conveyors 16 and 17 at high speed to rotate the bale A at high speed, and moving the lever 11 to the bundling position 121, the delivery roll 87, 93 to twine 92
is sent out and the twine 92 is wound around the bale A which is rotating at high speed.Compared to the driving speed of the baler section 3 during the bale A forming operation, the baler section during the bundling operation in which the twine 92 is wound around the bale A is 3. The drive speed is increased to a high speed, and the secondary twine delivery roll 93 of the bundling device 10 is connected to the work clutch lever 11 that controls the driving force of the baler section 3 intermittently, and the work clutch lever 11 is used to send out the twine 92. It is composed of In addition, binding position 1
The working clutch lever 11 21 is configured to be returned to the high speed working position 120 by a spring 123.

As a result, the hay picked up by the pick-up section 4 is carried into the bale forming chamber 18 by the main shaping pipe conveyor 16, and is also formed into a roll-shaped bale A by the main and sub-shaping pipe conveyors 16 and 17. be done. When the forming pressure of the bale A exceeds the set value, the traveling clutch lever 13 is operated to stop the crawler 2, and the working clutch lever 11 is moved along the lever guide groove 122 to perform the work from low speed to high speed. Switch to
The bale A in the forming chamber 18 is rotated at a higher speed than during this forming operation. Further, by the binding operation of the work clutch lever 11, the twine 92 is started to be delivered from the delivery rolls 87, 93, and the tip of the twine 92 is moved to the bale A by the feeding plate 109.
direction, the twine 92 is dropped onto the upper surface of the conveyor 16 below, and the twine 92 is delivered to the bale A side. Further, when the tip of the twine 92 is wrapped around the bale A and pulled, the binding clutch 84 is turned on and binding by the twine 92 is started, and the runner 103 located on the door 36 side of the binding case 73 As shown in the direction of arrow L in FIG. 8, the rolls 87 and 93 are rolled around the outer periphery of the bail A during one reciprocation from the left side of the machine to the left end, from the left end to the right end, and from the right end to the center.
The twine 92, which is further unwound, is wound spirally through the guide 104 as shown in 1 to 5 in FIG.
Eight locking pins 101 connected to the engagement hole 1
The movement of the runner 103 is stopped while the runner 103 is in contact with one end edge 102a or 102b of the bale A.
The aim is to prevent the veil A from deforming by wrapping the twine 92 at both ends multiple times.

In addition, by operating the work clutch lever 11, the bale part 3 is driven at low speed when forming bale A, and the bale part 3 is driven at high speed when bundling bale A.
The twine 92 is activated by the working clutch lever 11.
When the bale section 3 is being driven at high speed, the pick-up section 4 is stopped.

Further, the twine 92 sent out by the operation of the work clutch lever 11 is pushed out in the direction of the bale A by the feed plate 109, and falls onto the main shaping pipe conveyor 16 near the bale A in front of the bale A. The twine 92 is sent out to the left side, and the twine 92 is sent to the left side of veil A.
After the starting end is wrapped, the left end of the bale A is tied, then the right side of the bale A is tied, and the twine 92 is cut back near the center to complete the bundling.

Next, the related operating structure of the aforementioned work clutch lever 11 and the accelerator lever 124, which controls high and low speed operation of the engine 7 installed in the engine section 6, will be described.

This accelerator lever 124 is a lever body 124
a and an actuating part 124b, the lever body 124
a is equipped with a grip 125, and is fitted and swingably mounted on a vertical fulcrum shaft 126 protruding from the operation panel 9 near the lever guide groove 122, and the base of the operating portion 124b is also attached to this fulcrum shaft 1.
26 so that it can swing. The fulcrum shaft 126 of this lever body 124a and the actuating part 124b
The part that fits into the actuating part 124b has a square cross section.
The lever body 12 is shaped so that one side is open.
4a, and the other side becomes a stopper part 127, which is configured to come into contact with the other side of the lever body 124a, and when this contact occurs, the lever body 124a and the actuating part 124b are kept in a straight line. .

The actuating portion 124b has a prismatic inner hole 128, and an engaging body 130 with a square flange 129 is slidably housed inside the prismatic inner hole 128. This enables engagement with the middle portion of the working clutch lever 11.

A compression spring 1 is provided in the prismatic inner hole 128.
32 is housed inside and always presses the engaging body 130 into a protruding state, an accelerator wire 133 is connected to the actuating part 124b, and the lever body 124a is pulled by a tension spring 134 across the stopper part 127. .

Further, the protruding position of the fulcrum shaft 126 is a neutral position 135 between the constant speed working position 119 and the high speed working position 120 of the working clutch lever 11.
The engaging body 130 of the actuating portion 124b is positioned approximately in the middle of this high-speed working position 120 and near the side of the lever guide groove 122, so that the distal end of the engaging body 130 of the actuating portion 124b enters into the lever guide groove 122.

Note that 136 is a stopper that prevents the lever body 124a pulled by the tension spring 134 from swinging.

Therefore, when the work clutch lever 11 is operated to the binding position 121 and the binding work of wrapping the twine 92 around the outer circumference of the rolled bale A is completed,
This veil A is taken out, but at this time,
The accelerator lever 124 has a lever body 124a.
is pulled by the tension spring 134 and swings about the fulcrum shaft 126, and the actuating portion 12
The engaging body 130 of 4b is brought into a protruding state by the elastic force of the compression spring 132, and the engaging body 130 of the stopper portion 12
7 is brought into contact with the other side of the lever body 124a and is interlocked with the lever body 124a, and while pulling the accelerator wire 133, the lever body 124a is prevented from swinging by the stopper 136, and the first
The engine 7 is maintained in the state shown by the imaginary line in the figure and rotates during operation.

Therefore, when the work clutch lever 11 is operated from the binding position 121 through the high-speed work position 120 to the position A shown by the imaginary line, the midway part of the work clutch lever 11 is moved to the concave surface 131 formed at the tip of the actuating part 124b. In this state, when the working clutch lever 11 is moved toward the neutral position 135 against the tensile force of the tension spring 134, the accelerator lever 124 is moved toward the fulcrum shaft 1.
26 as an axis and is brought into the protruding state by the compression spring 132, the accelerator wire 133 is gradually returned to its original position while the engaging body 130 is moved back and forth, and the engaged body 130 that is being retracted begins to protrude and the work begins. While the clutch lever 11 remains engaged, the working clutch lever 11 moves to the neutral position 135.
At this point, the drive from the engine 7 is cut off, and at the same time, the engine 7 changes from its rotation speed during operation to a low speed rotation.

Further, when the work clutch lever 11 is operated from the neutral position 135 to the constant speed work position 119, the concave surface 131 of the actuating portion 124b
As a result, the accelerator lever 124 is brought into the state of the imaginary line due to the tensile force of the tension spring 134, and the engine 7 returns to its operating rotation and performs the forming operation of the bail A. .

Furthermore, when the roll-shaped bale A is formed by the forming operation of the bale A, the work clutch lever 1
1 is moved along the lever guide groove 122 to the high speed working position 120 to wrap the twine 92 around the outer periphery of the bale A. At this time, as shown in the imaginary line in FIG.
22, it will obstruct the movement of the work clutch lever 11 to the high-speed work position 120, but when the work clutch lever 11 hits the engaging body 130, the actuating part 124b will lightly move around the fulcrum shaft 126. By being swung, the lever guide groove 122 is opened and the lever can be moved to the high speed working position 120.

(g) Effects of the invention As detailed above, the present invention includes a baler part for forming a bale, a pick-up part installed in front of the baler part, and a binding device for wrapping twine around the bale. , is a roll baler that forms a roll-shaped bale and wraps a twine around its outer circumference, and uses a single work clutch lever to drive the baler part during bale forming work and to drive the baler part during bundling work. In a device configured to be turned on and off by moving along a guide groove, an accelerator lever is provided near the lever guide groove and inserted into the lever guide groove to operate the work clutch lever from a binding position to a neutral position. Since the accelerator lever is operated in relation to the low speed position only when the vehicle is moving, a roll-shaped veil is formed.
When the twine is wrapped around the outer circumference of the bale and the tying operation is completed, the bale is taken out. At this time, when the work clutch lever is operated from the tying position to the neutral position, the drive to the baler section is cut off, and the bale is removed. At the same time, the accelerator lever is operated to a low speed position and the engine rotates at a low speed, so there is no need to operate the work clutch lever and accelerator lever separately, making the operation easy and highly efficient. This has the effect of saving engine fuel during suspension of operation.

[Brief explanation of the drawing]

The drawings are illustrative examples of the present invention. Fig. 1 is a plan view showing a main part of the invention in cross section, Fig. 2 is a sectional view taken along the - line of Fig. 1, and Fig. 3 is a cross-sectional view of the main part of the invention. A side view showing the working clutch lever, Fig. 4 is a side view of the bail forming section, Fig. 5 is a side view of the overall appearance, Fig. 6 is a plan view of the same, Fig. 7 is a drive system diagram, and Fig. 8 is a bundling. A front view of the device, FIG. 9 is a plan view, FIG. 10 is a side view, FIG. 11 is a rear view, and FIG.
The figure is an explanatory diagram of bale bundling. A... Bale, 3... Baler part, 4... Pickup part, 10... Binding device, 11... Working clutch lever, 92... Twine, 122... Lever guide groove, 124... Accelerator lever, 121
... Binding position, 135 ... Neutral position.

Claims (1)

[Scope of utility model registration request] A baler section 3 that forms the bale A, a pick-up section 4 installed in front of the baler section 3, and a binding device 10 that winds the twine 92 around the bale A.
It is a roll baler that forms a roll-shaped bale A and wraps twine 92 around the outer circumference of the roll-shaped bale A, and the drive of the baler part 3 during the bale forming operation and the drive of the baler part 3 during the bundling operation are performed in a single manner. In a structure in which the first working clutch lever 11 is moved along a lever guide groove 122 for on/off operation, an accelerator lever 124 is provided near the lever guide groove 122 and inserted into the lever guide groove 122, Move the working clutch lever 11 to the binding position 1
1. A related operation device for a work clutch lever and an accelerator lever in a roll baler, characterized in that the accelerator lever 124 is operated in relation to the low speed position only when the accelerator lever 124 is operated from the neutral position 135 from the clutch lever 135.