JPH071924Y2 - Main body frame connection device of clod collection device - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention is a soil in which vertical holes are made in the grass of a golf course in order to improve the growth of lawn, and the clods in the vertical holes are removed. The present invention relates to a body frame connecting device of a clod collecting device that is connected to the rear of a punching machine and supports a belt conveying mechanism that receives and conveys the clod.

[Prior art]

Conventionally, there is a soil piercing machine in which several tines are extended from the body, and the tine is moved up and down to form a hole on the surface corresponding to the thickness of the tine, and behind the soil piercing machine, A clod collection device that supports a belt conveyor mechanism that receives and conveys the clods discharged from the tines is supported by the main frame section and the front frame section that is pivotally pivoted forward and downward from this lower section. It was

[Problems to be solved by the device]

By the way, in this seed mass collecting device, the front frame part is provided with a pressing spring interposed between the front frame part and the main frame part.
Since it is always elastically urged toward the soil so as to move up and down following the unevenness of the soil surface, the tension of the conveyor belt of the conveyor belt mechanism and the running resistance of the wheels fluctuate during traveling work. ， The front frame part damaged the lawn etc., and the conveyance capacity of the belt conveyance mechanism deteriorated.

[Means for Solving the Problems]

Therefore, this invention is to make a vertical hole in the grass of a golf course,
A clod collecting device that is connected to a rear side of a soil punching machine that removes clods in the vertical holes via a tow rod and that supports a belt conveying mechanism that receives and conveys the clods with a front frame portion and a main frame portion. In the above, the front frame and the main frame part are integrated to form a main body frame, and the other end side of the sliding rod whose one end is rotatably attached to the midway part of the pulling rod is pressed against the main body frame. And a pressing rod spring interposed between the pressing piece and the pressure adjusting member at the other end of the sliding rod so that the front frame portion is always attached to the shaft attachment portion of the towing rod. The above problem was solved by providing a main body frame connecting device of a soil mass collecting device, which is elastically biased toward the soil side with a vertical swinging fulcrum as a fulcrum.

[Action]

By adopting the above means, the whole integrated body frame is pushed by the pushing rod spring through the pushing piece with the shaft attachment portion of the tow rod as the vertical swing fulcrum, and the body frame grounded to the soil Since the front frame can follow the unevenness of the soil surface and the belt transport mechanism is supported by the main body frame to transport the lump of soil, the tension of the transport belt is always kept constant. become.

〔Example〕

Hereinafter, a specific embodiment of the present invention will be described with reference to the drawings.

First, a schematic structure of a soil lump collection device B in which the present invention is implemented or a soil piercing machine A to which a conventional lump collection device C is connected will be described. As shown in FIGS. Aircraft A has two axle cases 3 on both sides of a body 1 with an engine 2 mounted on its front part, and its axle 4
It is supported so as to be able to swing up and down around, and a swing cylinder (not shown) such as a hydraulic cylinder is interposed between the body 1 and the axle case 3 to swing the body.
A rear wheel 5 is mounted on the rear of the axle case 3. Therefore, the work posture in which the rear wheel 5 is raised or lowered through the axle case 3 by the extension or contraction switching operation of the elevating cylinder to relatively raise the body 1 (solid lines in FIGS. 1 and 3). ) Or the lowered non-working posture (two-dot chain line in FIG. 3). Then, the power of the engine 2 passes through a traveling drive path (not shown) and the rear wheels 5
In addition to being transmitted to the crankshaft 6, it is transmitted to the crankshaft 6 via a work drive path (not shown), and the tine support 8 and the tine 9 attached to the lower end of the tine support 8 are moved up and down via the crank arm 7. There is. The tine 9 at this time is
It consists of a hollow cylindrical pipe, and a hood 10 with one opening is provided on the top of the pipe, and it is stabbed into the soil each time the tine 9 descends, and the soil (hereinafter referred to as the core) is inserted into the hollow portion of the tine 9. The core 11 is pushed up each time, and the core 11 is discharged from this state in a tocorotane manner.
Hits the inclined surface of the hood 10 and is cut, and is pushed down to the rear opening side and discharged.

Next, in the clod collecting device B, as shown in FIG. 1, a belt conveying mechanism 12 including a conveying belt 13 and a sub belt 14 is supported by an integrated body frame 15.

The belt conveyor mechanism 12 arranges the conveyor belt 13 by the drive roller 16 and the passive roller 17 in a substantially inverted Z shape in a side view, and disposes the floating rollers 18 to 20 at each position where the direction is changed. Further, the auxiliary belt 14 is provided with two upper and lower support rollers.
The support belts 21 and 22 are arranged along the vertical portion of the conveyor belt 13 and in contact with each other so as to have an I-shape in a side view, and the sub-belt 14 is also driven by driving the conveyor belt 13. . Then, in these belt transport mechanisms 12, the substantially horizontal portion below the transport belt 13 is located at the lower horizontal transport unit 23 and the sub-belt 1.
The portion that is in contact with the upright portion 4 and stands up is referred to as a vertical transport unit 24, and the horizontal portion following the vertical transport unit 24 is referred to as an upper horizontal unloading unit 25. The width of the conveyor belt 13 is determined to be longer than the left and right width of the plurality of tines 9 arranged side by side in the width direction in order to inherit the core 11 discharged from the tines 9. A bearing unit 26 that supports the rollers 16 to 22 of the belt transport mechanism 12 is arranged on the main body frame 15.

The main body frame 15 is a front frame part that supports the lower horizontal transport part 23 on both sides of a chassis 27 on which a container (not shown) can be freely placed.
A side plate in which 28 and the main frame part 29 supporting the vertical transfer part 24 and the upper horizontal transfer part 25 are integrated (this side plate is an integrated version of a plurality of plate materials or a single plate material). ) Is installed upright, and a compression roller 30 for leveling the upper surface of the vertical hole drilled by the tine 9 of the soil drilling machine A is provided in the lower part of the chassis 27 at the position of the center of gravity for receiving the weight of the entire mass collecting device B. I am hanging. A drive source 31 for driving the drive roller 16 is mounted on the upper rear portion of the main body frame 15.

The clod collecting device B is used by being connected to the rear part of the soil punching machine A by a connecting device 31.

The connecting device 31 connects the projecting pin 33 projecting from the lower part of the rear side of the rear part of the body 1 of the soil drilling machine A and the projecting end part of the roller shaft 30a of the crushing roller 30 of the clod collecting device B with the towing rod 32, and the towing rod 32 The other end of the sliding rod 34, which is rotatably attached to the midway portion, is slidably inserted into a pressing piece 35 rotatably attached to the main body frame 15, and slides on the pressing piece 35. Moving rod 34 Pressure adjusting nut (pressure adjusting member) at the other end 36
A pressing rod spring 37 is interposed between the front frame portion 28 and
Is always elastically biased in the (a) direction around the roller shaft 30a that is the shaft attachment portion of the tow rod 32. Also, the pressing piece
A stopper 38 whose position can be changed is attached to the sliding rod 34 in front of 35 at an appropriate position. Therefore,
When the sliding rod 34 slides in the (b) direction with respect to the pressing piece 35, the pressing rod spring 37 is compressed until the contact length is reached, and conversely, the sliding movement in the (d) direction. As you do so, you can move until it hits the stopper 38.

In the figure, 39 is a front wheel, 40 is a handle, 41 is a protective ground cover, and 42 is an apron that guides the core 11 onto the lower horizontal transport unit 23.

According to the above, during traveling work in which the rear wheel 5 of the soil punching machine A is in the work posture, the clod collecting device B is also pulled by the connecting device 31, and the core 11 discharged from the tine 9 is the belt conveying mechanism 12. Vertical transfer section if received by lower horizontal transfer section 23
It is transported to the upper horizontal transport unit 25 via 24 and falls and is collected in the container on the chassis 27. At this time, since the front frame portion 28 of the main body frame 15 is always elastically urged in the (a) direction around the roller shaft 30a via the pressing piece 35 and the main body frame 15 by the force of the pressing rod spring 37, The protective ground cover 41 of the frame portion 28 slides on the soil surface. Therefore, the allowable range on the soil surface (This allowable range is the range in which the core 11 discharged from the tines 9 can be received by the lower horizontal transfer unit 23, and is optimal by changing the position of the stopper 38 and the position of the pressure adjusting member 36. It can be adjusted to the range)
If there is a recess inside, descend along it, that is,
The pressing piece 35 is pressed by the pressing rod spring 37 against the sliding rod 34 to move in the (b) direction, and at the same time, the main body frame 15
Is swung in the direction of (a) around the roller shaft 30a, and when it becomes a recess outside the allowable range, the pressing piece 35 stops.
38, more than that, the main body frame 15 is the roller shaft 30a
When the soil surface has a convex portion within the allowable range, on the contrary, when the soil surface has a convex portion within the allowable range, it rises, that is, the pressing piece 35 is pressed against the sliding rod 34 by the pressing rod spring. While moving in the direction (d) against 37,
When the main body frame 15 swings in the (c) direction around the roller shaft 30a and becomes a convex portion outside the allowable range, the pressing piece 35
Reaches the contact length by maximally compressing the pressing rod spring 37, and the main body frame 15 cannot swing in the (c) direction around the roller shaft 30a any more.

FIG. 3 shows the conventional soil mass collecting device C, that is, the belt conveying mechanism 12 with the main frame portion 29 and the lower portion thereof when the rear wheel 5 of the soil drilling machine A is lowered to a non-working posture with the crankshaft 6 as a reference. The front frame 28 is supported by a front frame 28 that is pivotally pivoted toward the front, and is elastic toward the soil side by a pressing spring 51 interposed between the front frame 28 and the main frame 29. Shown is a connecting lift device 43 capable of lifting the energized soil mass collecting device C. This connecting lift device 43 is provided at the rear lower part on both sides of the body 1 of the soil drilling machine A.
As shown in FIG. 4, a mounting tool 44 having a structure in which the support pin 46 can be mounted / removed by mounting / removing a bolt 45 with a knob is mounted. The other end is pivotally attached to the upper projecting pin of the main frame part 29, and the middle part of the connecting fitting 47 and the lower projecting pin of the main frame part 29 are connected by another connecting arm 48. Further, the upper rear portion of both sides of the body 1 and the upper portion of the main frame portion 29 are connected by an upper chain 49, and the lower rear portion of both sides of the body 1 and the front portion of the front frame portion 28 are connected by a lower chain 50. . According to this, turning performance during traveling work is improved, loading on trucks etc. is facilitated, and bolts with knobs on one side 4
5. By removing the upper chain 49 and the lower chain 50 without using a tool, there is an advantage that the rear part of the soil piercing machine A can be inspected and the tine 9 can be easily replaced.

[Effect of device]

As described above, according to the present invention, since the front frame portion 28 and the main frame portion 29 are integrated to form the main body frame 15, the front frame portion 28 sways up and down with respect to the main frame portion 29 as in the conventional case. Compared with a movable separate structure, the structure can be simplified and the belt transfer mechanism 12 supported by the main body frame 15 can ensure stable transfer performance.
Further, the main body frame 15 is a vertical swing fulcrum which is a shaft attachment portion of the tow rod 32 via the pressing piece 35 by the pressing rod spring 37.
Since the front frame 28 is pushed around 30a and is always elastically urged toward the soil side and grounded, the front frame 28 can follow along the unevenness of the soil surface, The discharged clod 11 can be reliably received, and since only the front frame portion 28 does not swing up and down as in the conventional case, abnormal tension of the conveyor belt 13 is eliminated,
There is no need to worry about damaging the grass. Further, since the pressure adjusting member 36 can adjust the pressure of the pressing rod spring 37, the ground contact force of the front frame portion 28 can be adjusted and optimized.

[Brief description of drawings]

FIG. 1 is a side view showing a main body frame connecting device of a clod collecting device embodying the present invention, FIG. 2 is a cross-sectional view of a main part thereof, and FIG. 3 is a soil boring machine capable of lifting a conventional clod collecting device. FIG. 4 is a side view showing a case where they are connected by a lift device, and FIG. (Code) A …… Soil drilling machine 11 …… Soil mass (core) 12 …… Belt transport mechanism 15 …… Main body frame 28 …… Front frame part 29 …… Main frame part 32 …… Pulling rod 34 …… Pressing rod 35 ...... Pressing piece 36 ...... Pressure adjusting member 37 ...... Pressing rod spring

Front page continuation (72) Inventor Toshiaki Takefusa 428 Enami, Okayama City, Okayama Prefecture Seirei Industry Co., Ltd. (56) References: 63-158105 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A vertical hole is formed in a lawn or the like of a golf course, and is connected to a rear side of a soil punching machine (A) for removing a soil mass (11) in the vertical hole through a tow rod (32). The belt transfer mechanism (12) that receives and transfers the clod (11) is installed in the front frame (2
In the clod collecting device supported by 8) and the main frame part (29), the front frame part (28) and the main frame part (29) are integrated to form a main body frame (15), and the traction is performed. The other end of the sliding rod (34) whose one end is rotatably attached to the middle of the rod (32) is connected to the main body frame (1).
5) is slidably inserted into the pressing piece (35) of 5), and a pressing rod spring (37) is provided between the pressing piece (35) and the pressure adjusting member (36) at the other end of the sliding rod (34). The front frame portion (28) of the main body frame (15) is always elastically urged toward the soil side by using the shaft attachment portion of the tow rod (32) as a vertical swing fulcrum (30a). The main body frame connecting device of the characteristic clod collecting device.