JP2821540B2 - Pipe rail fitting for tea plantation management work cart - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint fitting for a plurality of pipe rails laid on a ridge of a tea ridge and guiding a tea orchard management work cart in a ridge direction.

[0002]

2. Description of the Related Art In recent years, a tea orchard farming system has become popular among tea orchard farmers, in which various operations such as plucking of tea leaves, pruning, cutting, and managing tea trees can be easily performed by women and elderly persons alone. is there. This tea plantation management system mainly includes a pipe rail laid in a furrow along a tea plantation ridge, and a tea plantation management work cart traveling across the tea plantation ridge by being guided on the pipe rail in the ridge direction. This tea orchard management work cart has a tea picking machine and a tea tree pruning machine,
By appropriately installing a mowing machine or the like, various operations such as tea picking, pruning, mowing, and the like are performed continuously as the tea orchard management work cart travels.

[0003] Further, in such a tea orchard management system, a ridge moving cart is provided for transferring a tea orchard management work cart that has completed various operations for one ridge to another tea ridge side. This ridge moving carriage is provided with a continuous draw-in rail positioned at the end of the pipe rail and moves the ridge end side in a direction substantially orthogonal to the ridge. Is guided by a pipe rail laid on the ridge end side substantially orthogonal to the ridge.

[0004] Heretofore, generally, the pipe rail for guiding the tea orchard management work cart is, for example, an actual open flat 1-6.
No. 9803 discloses a plurality of pipe rails connected to each other via a slotted cylindrical joint.
It is designed to be supported at a height of about 10 cm above the ground via a column member with a pipe receiver having a combination structure of a plurality of parts as disclosed in Japanese Patent Publication No. 2 (JP-B) No.

[0005]

As described above, conventionally, the pipe rail laying operation requires a slotted cylindrical joint or a column member with a pipe receiver having a structure in which a plurality of parts are combined. However, there is a problem that the work of laying the pipe rail is troublesome and the working time is prolonged.

Accordingly, the present invention provides a tea plantation in which the number of parts is small and inexpensive, the time for laying the pipe rails can be greatly reduced, and other functions are added in addition to the functions of connecting and supporting the pipe rails. An object of the present invention is to provide a fitting for a pipe rail for a management work vehicle.

[0007]

SUMMARY OF THE INVENTION For this purpose, a fitting for a pipe rail for a tea orchard management work cart according to the present invention comprises:
A base plate portion fixed to the ground between the ridges by pile driving, a column portion projecting upward from the base plate portion, and a rail connected to the upper end of the column portion and continuously forming a part of each pipe rail. And a joint tubular portion that protrudes from both ends of the rail portion and fits into the inner periphery of the connection end of each of the pipe rails, and a travel control provided on the tea orchard management work cart. A stopper attachment / detachment hole for detachably attaching a stopper member capable of contacting the limit switch,
A connecting plate connecting hole for detachably connecting a rail positioning connecting plate laid on the ridge end side to guide the ridge moving vehicle on which the tea orchard management work vehicle rides on the ridge end side in a direction substantially orthogonal to the ridge; Is provided on the base plate portion.

[0008]

According to the present invention employing such means, the inner circumference of the connection end of each pipe rail is sequentially fitted to the outer circumference of the joint cylinder protruding from both ends of the rail, and the base is connected to the ridge. When the piles are fixed to the ground, the pipes are connected to each other by the rails being continuous with the pipe rails, and are supported at a predetermined ground level by the pillars.

Further, if a stopper member is attached to the stopper attaching / detaching hole of the base portion as required, a limit switch for traveling control provided on the tea orchard management work cart is operated by the stopper member. When the connecting plate is connected to the connecting plate connecting hole, the rail for the ridge moving truck laid on the ridge end side is positioned.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. In FIG. 2 showing the outline of the tea plantation management system, reference numerals 1, 1,... Are joint fittings of one embodiment, and reference numerals 2, 2,. Each pipe rail, which is laid at a predetermined ground height (about 10 cm) between the ridges on both sides thereof along the longitudinal direction of the tea tree ridge 3, reference numeral 4 is arranged on one end of the mutually connected pipe rails 2, 2,. The pipe rails are positioned on the ground at one end side of the tea tree ridges 3 by being positioned through the connecting plate 5 with respect to the joint fittings 1 provided so as to be substantially orthogonal to the pipe rails 2, 2,. .

Reference numeral 6 denotes a direction in which a guide wheel 6a on one side is guided on the pipe rail 4, and a wheel 6b on the opposite side is grounded to the ground so that one end of the tea ridge 3 is substantially perpendicular to the tea ridge 3. The ridge moving carriage 6 includes a collapsible joint rail 6c that can be connected to the joint fitting 1 disposed at one end of the pipe rails 2, 2,. , A pull-in rail 6d which is continuous with the pipe rails 2, 2,... Via the joint rail 6c.

Reference numeral 7 denotes a self-propelled vehicle that travels forward on the pipe rails 2, 2,... From the retraction rail 6d of the ridge moving carriage 6 at a predetermined work speed and retreats at a predetermined return speed. Tea plantation management work cart 7 of the type,
This tea orchard management work cart 7 includes a tea picking machine, a tea tree pruning machine,
By appropriately attaching a mowing machine or the like and running over the tea tree ridge 3, various operations such as tea picking, pruning, and mowing can be continuously performed. The tea orchard management work cart 7 is actuated by contacting a stopper member 8 disposed at the other end of the pipe rails 2, 2,. A travel control limit switch 7a is provided.

Here, the fittings 1, 1,...
As shown in an enlarged manner, a rectangular plate-shaped base plate portion 1a
A pillar 1b made of a pipe material is welded and fixed at the center of the base 1 and projects upward. A rail 1c having the same outer diameter as the pipe rails 2 and 2 is provided at the upper end of the pillar 1b.
a joint cylindrical portion with a slot 1d protruding from both ends of the rail portion 1c and press-fitted to the inner circumferences of the pipe rails 2 and 2; 1e, 1e are integrally formed by press working.

The base plate 1a is fixed to the ground between the ridges of the tea tree ridges 3 by pile driving. Spike claws 1f, 1f,... I have. In addition, a total of 4 places, including two places near the spike claws 1f and 1f on one short side of the base plate portion 1a and two places slightly closer to the other short side on the left and right long sides (one place is not shown). Holes 1g, 1g, 1g for the pile 9 to be used as an auxiliary when the ground is soft are formed in the place, and one place immediately below the column 1b is used for driving the pile 10 which is always used. A hole 1h is formed. And this pile driving hole 1
A pile driving hole 1i is formed on the upper surface of the rail portion 1c so as to drive the pile 10 into the ground via the hole h and the hole in the support portion 1b. The area around the pile driving hole 1i is
In order to prevent the head 10a of the pile 10 from protruding from the outer periphery of the rail portion 1c, it is recessed like a dish.

As shown in FIG. 3, the stopper member 8 is bent into a U-shaped cross section and extends vertically, and a notch 8a formed at the opening end thereof has a joint cylindrical portion of the joint fitting 1. 1e, 1e, and a pair of left and right engaging claws 8b,
8b are formed. A pair of left and right stopper attaching / detaching holes 1j, 1 to which the engaging claws 8b, 8b are detachably fitted.
j is arranged and formed at the center of the other long side of the base plate portion 1a of the joint fitting 1.

As shown in FIG. 4, the connecting plate 5 is a rectangular plate having a width substantially equal to the width of the base plate portion 1a and longer than the base plate 1a. A pair of holding pieces 5a projecting and holding the pipe rail 4;
5a is bolted. Bolt insertion arc holes 5b and 5c are formed on the other short side of the connecting plate 5, which are concentric arc-shaped long holes centered on one corner. And these bolt insertion arc holes 5b, 5c
The pair of left and right connecting plate connection screw holes 1k, 1k
The connection plate connection hole is formed by being arranged on the other short side of the base plate portion 1a of the joint fitting 1.

Next, the operation of the fitting 1 of the pipe rail 2 for the tea orchard management work cart 7 according to the embodiment constructed as described above will be described. Each pipe rail 2,
In order to connect the pipe rails 2 to each other, as shown in FIG. 1, the inner circumference of the connection end of the pipe rails 2 is fitted to the outer circumference of the joint cylindrical portions 1e of the joint fitting 1, and this is Rail part 1
Push until it touches c. Then, the rail portion 1c forms a part of the pipe rail 2 and connects the two pipe rails 2 with each other.
2,... Are sequentially connected.

Each joint fitting 1, 1,... Connected to each of the pipe rails 2, 2,... Has its base plate portion 1a grounded on the ground between the ridges of the tea tree ridges 3, and a pile opening on the upper surface of the rail portion 1c. The pile 10 is driven from the driving hole 1i. By doing so, the pile 10 is driven into the ground through the pillar driving hole 1h in the column 1b and the base plate 1a, and the base plate 1a has the spike claws 1f, 1f,. It is fixed by biting. Here, since the periphery of the pile driving hole 1i is recessed like a dish, the head 10a of the pile 10 does not protrude from the outer periphery of the rail portion 1c. In addition, tea tree ridge 3
If the ground between the ridges is soft and it seems that the pile 10 alone is not sufficient, the pile 9 is appropriately driven into the pile driving holes 1g, 1g, 1g, 1g to reinforce the fixing of the base plate portion 1a.

By fixing the base plate portion 1a to the ground between the ridges of the tea tree ridge 3, the pipe rails 2, 2,.
Is supported at a predetermined ground height of about 10 cm via the column 1b as shown in FIG. 2, and the tea orchard management work cart 7 on the ridge moving cart 6 is mounted on each of the pipe rails 2, 2,. The vehicle can run forward at a predetermined work speed and can run backward at a predetermined return speed.

Here, in order to switch the tea orchard management work cart 7 to the reverse running at the other end of the pipe rails 2, 2,..., A stopper member 8 for operating the limit switch 7a of the tea orchard management work cart 7 is provided. Are mounted on the other end side of the pipe rails 2, 2,. As shown in FIG. 3, this mounting work engages the notch 8a of the stopper member 8 with a portion of the joint cylinder 1 near the rail portion 1c of the joint tube 1e, 1e, and engages the engaging claw 8b of the stopper member 8. , 8b formed in the base plate portion 1a of each fitting 1 with stopper mounting holes 1j,
1j is easily performed.

When the stopper member 8 is mounted on the joint fitting 1 at the other end of the pipe rails 2, 2,... Since the control device becomes a hindrance when traveling between the furrows of the tea plantation ridge 3, and particularly when it turns around on the ridge end side of the tea plantation ridge 3, in such a case, the stopper member is provided in a procedure opposite to that described above. 8 is removed from the fitting 1.

In order to position the pipe rail 4 laid on the ground at one end of the tea tree ridge 3 so as to be substantially perpendicular to the pipe rails 2, 2,..., First, as shown in FIG.
The connecting plate 5 is mounted on the base such that the bolt insertion arc holes 5b, 5c of the connecting plate 5 overlap the screw holes 1k, 1k of the base plate 1a of the joint fitting 1 arranged on one end side of the pipe rails 2, 2,. Bolts 11, 11 joined to the plate portion 1a and inserted into the bolt insertion arc holes 5b, 5c are loosely screwed into the connection plate connection screw holes 1k, 1k. In this state, the connecting plate 5
As shown in FIG. 5, the rotational position of the base plate 1a can be adjusted along the bolt insertion arc holes 5b and 5c with respect to the base plate portion 1a. Therefore, the pipe rail 4 is inserted between the holding pieces 5a, 5a of the connecting plate 5 and is held between the holding pieces 5a, 5a, so that the pipe rail 4 is substantially perpendicular to the pipe rail 2 on one end side. The turning position is adjusted, and the bolts 11, 11 are screwed tightly into the connection plate connection screw holes 1k, 1k, and the operation is completed.

In the present embodiment, the connection plate connection screw holes 1k, 1k formed in the base plate portion 1a of the joint fitting 1 are:
Instead, the connection holes may be simply connection holes through which the bolts 11 are inserted. In this case, nuts are screwed to the bolts 11 on the back side of the base plate portion 1a.

[0024]

As described above, according to the present invention, the inner circumference of the connection end of the pipe rail is sequentially fitted to the outer circumference of the joint cylinder protruding from both ends of the rail, and the base is grounded between the ridges. By simply stake-fixing the rails, the rails are connected to each other by connecting the pipe rails to each other, and are supported at a predetermined ground level by the pillars. The time required for laying the pipe rails for the garden management work cart can be greatly reduced.

From a structural point of view, since the base plate, the support, the rail, and the joint cylinder are integrally provided, the number of parts is small and the cost is low.

Since the base portion is provided with a stopper attaching / detaching hole and a connecting plate connecting screw hole 1k, 1k, a stopper member is attached to the stopper attaching / detaching hole as required, and the traveling member is provided on the tea orchard management work cart. The control limit switch can be operated, and if necessary, a connecting plate can be connected to the connecting plate connecting hole to position the rail for the ridge moving truck laid on the ridge end side.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a structure of a joint fitting of a pipe rail for a tea orchard management work cart according to the present invention and a pipe rail connecting operation.

FIG. 2 is a side view illustrating an outline of a tea orchard management system to which the fitting of the embodiment is applied.

FIG. 3 is a perspective view showing a stopper member mounting operation of one embodiment.

FIG. 4 is a perspective view showing a connecting plate connecting operation of one embodiment.

FIG. 5 is a plan view showing a connecting plate connecting operation of one embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joint fitting 1a Base plate part 1b Support part 1c Rail part 1d Slit 1e Joint cylinder part 1f Spike claw 1g, 1h, 1i Piling hole 1j Stopper attaching / detaching hole 1k Connecting plate connection screw hole 2 Pipe rail 3 Tea tree ridge 4 Pipe Rail 5 Connecting plate 5a, 5a Clamping piece 5b, 5c Bolt insertion arc hole 6 Rove moving trolley 6a Guide wheel 6b Wheel 6c Joint rail 6d Pull-in rail 7 Tea plantation management work trolley 7a Limit switch 8 Stopper member 8a Notch 8b Engaging claw 9,10 pile 11 bolt

Claims (1)

(57) [Claims] 1. A joint plate fitting for a plurality of pipe rails laid between ridges for guiding a tea orchard management work vehicle traveling across a tea ridge in a ridge direction, wherein a base plate portion fixed to the ground between the ridges by piling is provided. And a support portion protruding upward from the base plate portion, a rail portion connected to the upper end of the support portion and continuously forming a part of each of the pipe rails, and protruding from both ends of the rail portion. A joint member integrally fitted with the inner periphery of the connection end of each of the pipe rails, and a stopper member capable of contacting a travel control limit switch provided in the tea orchard management work cart. A stopper attaching / detaching hole to be detachably attached, and a rail positioning connecting plate laid on the ridge end side to guide the ridge moving cart on which the tea orchard management work cart rides on the ridge end side in a direction substantially orthogonal to the ridge. Detachable Connecting plate connecting hole and a joint fitting of tea plant garden management work carriage pipe rails, characterized in that provided on the base plate portion to be connected.