JPH0520051B2 - - Google Patents

Description

[Detailed Description of the Invention] <<Industrial Application Field>> The present invention relates to a liquid spraying device that automatically travels inside a plant growing house such as a gardening house and sprays chemical solutions, watering, etc. The spreader is movably positioned on the disposed travel guide member,
This relates to a device that prevents the liquid guide tube from hanging down inside the house.

《Prior Art》 In recent years, cultivation methods using plant growth greenhouses have shown remarkable progress. In preparation for this, it is necessary to frequently spray chemical solutions, sprinkle water, etc. However, spraying chemicals inside a high-temperature greenhouse is an extremely poor environment, and since the greenhouse is tightly closed, workers can inhale the chemicals, which poses a direct threat to their health.
Furthermore, in the chemical spraying work performed manually, the work inevitably becomes uneven and cannot be completed completely. Accordingly, there is a device disclosed in, for example, Japanese Utility Model Application Publication No. 62-59158, which can automatically travel within a greenhouse and automatically spray various liquids.

In this system, a guide rail is arranged along the length of the upper part of the plant growing house, and a flexible liquid guide tube of approximately the same length as the guide rail is connected and housed in a ring within the guide rail. A liquid supply port is provided at the connection part of this tube, and this is fixed at approximately the center in the longitudinal direction of the rail, and a liquid sprayer is installed at approximately the center in the longitudinal direction of the tube, facing the supply port. The structure includes a pair of running bodies that are wound around the rail and run within the rail.

<<Problems to be Solved>> In the conventional method, an annular liquid guiding tube formed in an endless shape is wound around a pair of running bodies (carts), thereby applying tension to the liquid guiding tube and causing the pair of running bodies to flow. In order to move the spreader on the guide rails while maintaining the distance and to move the spreader smoothly, the spreader is held on a running trolley, and this running trolley is placed on the guide rail so that it can run. There is. As a result, the guide rail has to support the pair of running bodies and the running body holding the sprayer, resulting in a problem that the guide rail becomes larger.

<<Means for Solving the Problems>> The present invention solves the above-mentioned problems and provides a lightweight and small-sized liquid sprayer.
A pair of running bodies is movably supported by a running guide member disposed along the longitudinal direction of the house at the top of the plant cultivation house, and a liquid supply port is fixed in correspondence with the running surface of the running body, and this liquid supply The spout and the sprayer supported on one of the running bodies are connected through a flexible liquid guiding tube, and the middle part of the liquid guiding tube is wrapped around a rotating pulley that is pivotally supported on the other running body. Rope pulleys are rotatably supported on both ends of the running surface and on either one of the running bodies,
A rope pulley with one end fixed to a running body without a rope pulley installed at one end of the running surface of the running body, a rope pulley installed on the other frosted edge of the running surface of the running body, and a direction change installed on the running body. The traction cable is wound around the pulleys in order, the other end of the traction cable is connected to a tensioning device, and a rotational drive source is connected to one of the rope pulleys installed at both ends of the running surface of the traveling body.

<<Function>> In the present invention, a flexible liquid guide tube communicates and connects a liquid supply port arranged in correspondence with the running surface of a running body with a sprayer fixed to a running body that runs along a running guide member. Then, the middle part of this liquid guiding tube is wrapped around a rotating pulley that is pivotally supported on another running body.
A rope pulley installed at one end of the running surface of the running body, a rope pulley installed at the other end of the running surface of the running body, and a rope pulley installed on the other running body Since the tow cable is wound around the direction change pulley in order and the tensioning device at the other end of the tow cable is connected, the pair of running bodies will move towards and away from each other by operating the tow cable.
The running body to which the sprayer is fixed moves along the entire length of the running guide member and sprays the liquid over the entire area inside the house.

<<Example>> The drawings show an example of the present invention, and FIG. 1 is an explanatory diagram showing the basic configuration of the present invention.

In the figure, 1 is a liquid guide tube made of a flexible material, 2 is a liquid supply port fixed to one end of the liquid guide tube 1, 3 is a sprayer fixed to the other end of the liquid guide tube 1, and 4 is a liquid supply port fixed to the other end of the liquid guide tube 1. A traveling trolley for work fixing the spreader 3; 5 is an adjustment traveling trolley that pivots on a rotary pulley 6 to absorb slack in the guide tube 1; 7 is a moving trolley for moving both traveling trolleys 4 and 5. This drive device 7 includes a towing cable 8 fixed at one end to the working trolley 4, a pair of rope pulleys 9 and 10 around which the towing rope 8 is wound, and a rotating trolley 5 for adjustment. Direction changing pulley 11, tow rope 8
a tensioning device 12 consisting of a weight fixed to the other end;
and a drive motor 13 connected to one rope pulley 9.

The above components, except for the tensioning tool 12, are supported by guide rails 14 installed on the ceiling of the house. The guide rail 14 is shown in FIGS. 2 and 3.
As shown in the figure, the side wall 15 is made of a shaped steel formed to open upward at an opening angle of about 90 degrees, and the upper end of the side wall 15 is bent into a curled shape. A liquid guide tube 1 is arranged between the liquid supply port 2 and the working trolley 4.
is formed to be slightly longer than half the length of the guide rail 14.

As shown in FIG. 2, the working trolley 4 is formed so as to embrace the guide rail 14 from the outside, and the guide rail 1 is attached to the upper end of the left and right side walls 16.
Two pairs of wheels 17 are fitted into the upper end of the wheel 4 from above and are pivotally supported. Further, a relay pipe joint 18 is fixed to one side wall 16, and the sprayer 3 is held between the lower ends of the left and right side walls 16.

As shown in FIGS. 3 and 4, the adjustment traveling trolley 5 is formed so as to embrace the guide rail 14 from the outside, and the upper end portions of the left and right side walls 19 are attached to the upper end portions of the guide rail 14. Two pairs of wheels 20 fitted from above are pivotally supported. Further, a pair of rotating pulleys 6 and a direction changing pulley 11 around which the liquid guide tube 1 is wound are rotatably supported on one side wall 19.

In FIG. 1, reference numeral 21 is a flow path opening/closing valve, and 22 is a liquid supply pump.

In the liquid spraying device having the above-described configuration, the work traveling trolley 4 and the adjustment traveling trolley 5 are connected to be movable relative to each other by the towing cable 8 and the liquid guide tube 1, so that the drive motor 13 is actuated. Then, both traveling carts 4 and 5 move along the guide rail 14 with the liquid supply port 2 as a fixed point, but when the work traveling cart 4 moves to the left, both carts 4 and 5 are separated,
When the working cart 4 moves to the right, both carts 4 and 5
moves closer together. Thereby, even if the length of the liquid guide tube 1 is half the length of the guide rail 14, the working trolley 4 can be moved over the entire area.

In the embodiment described above, a weight is used as the tension applying device 12, but a spring may be used for tension to apply tension to the tow rope 8.

Moreover, although the drive device of the above embodiment is configured such that one end of the tow rope 8 is fixed to the work traveling trolley 4, it may be configured such that it is fixed to the adjustment traveling trolley 5.

Further, since the drive motor 13 is used to move both traveling carts 4 and 5 by the traction 8, it is connected to either side of the pair of rope pulleys 9 and 10 installed at both ends of the traveling surface of the traveling body. It is okay to do so.

FIG. 5 shows another embodiment of the present invention, in which one guide wire 23 is stretched on the ceiling of the house,
The working trolley 4 and the adjustment traveling trolley 5 of the guide wire 23 are each suspended so that they can run,
Liquid supply port 2 fixed to one end of liquid guide tube 1
is arranged at the end of the running surface of both carts 4 and 5 on the side of the working cart 4, and the liquid guiding tube 1 is rotatably supported on the adjusting cart 5 as in the previous example. Spreader 3 fixed to work trolley 4 after being wrapped around pulley 6
It is connected to the. The tow cable 8, which has one end fixed to the working trolley 4, has a drive pulley 9 supported at one end of the trolley running surface, an idle pulley 10 supported at the other end of the trolley running surface, and an adjustment running pulley 9. The towing cable 8 is wound around a direction changing pulley 11 that is pivotally supported on the truck 5, and the other end of the tow rope 8 is connected to a tensioning device 12 at the other end on the truck running surface.

Note that reference numeral 24 in FIG. 5 is a tensioning device for applying a constant tension to the guide wire 23.

<<Effects>> In the present invention, a liquid sprayer is fixed to one of a pair of running bodies that run along a running guide member, and a liquid sprayer is fixed to one of the running bodies that runs along a running guide member, and the liquid sprayer is arranged in correspondence with the running surface of the running body. A flexible liquid guide tube is used to communicate with the supply port, and the middle part of the liquid guide tube is wrapped around a rotating pulley that is pivotally supported on the other running body, and the liquid is drawn out from one of the running bodies. Wrap the tow rope around the rope pulley installed at one end of the running surface of the traveling body, the rope pulley installed at the other end of the running surface of the traveling body, and the direction changing pulley installed on the other running body, and wrap it around the rope pulley installed at one end of the running surface of the traveling body, and then wrap it around the direction change pulley installed on the other running body, and then wrap it around the rope pulley installed at one end of the running surface of the traveling body, and then wrap it around the direction change pulley installed on the other running body. One of the two rope pulleys installed in the section is connected to a drive source, and a tensioning device is connected to the other end of the tow rope, so by operating the tow rope, the pair of traveling bodies moves toward and away from each other, and the traveling body to which the sprayer is fixed can move over the entire length of the house, making it possible to uniformly spray the liquid over the entire area inside the house.

Moreover, since the flexible liquid guide tube has its middle portion wrapped around a rotating pulley that is pivotally supported by a traveling body that moves toward and away from the traveling body to which the sprayer is fixed, This rotating pulley acts as a tension pulley, and the liquid guide tube does not hang down into the house.

In addition, since the number of traveling bodies traveling along the traveling guide member can be reduced compared to conventional ones, the weight borne by the traveling guide member can be reduced, and the traveling guide rail member can be made lighter. be able to.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention; FIG. 1 is an explanatory diagram showing the basic structure of the present invention; FIG. 2 is a longitudinal cross-sectional view of a working traveling body; FIG. 3 is a perspective view of an adjustment trolley; FIG. 4 is a longitudinal sectional view of the adjusting traveling body, and FIG. 5 is a perspective view showing the mechanism of another embodiment. DESCRIPTION OF SYMBOLS 1...Liquid guide tube, 2...Liquid supply port, 3...Spreader, 4, 5...Traveling trolley, 6...Rotating roller, 8...Tow cable, 9, 10...Rope pulley, 11...Direction conversion pulley, 12...Tension application Tool, 13... Rotary drive source,
14...Guide rail.

Claims (1)

[Claims] 1. A running guide member is arranged in the upper part of a plant cultivation house along the longitudinal direction of the house, and the running guide member supports a pair of running bodies so as to be able to move freely, and also supplies liquid in a manner corresponding to the running surface of the running bodies. The mouth was fixed, and the liquid supply port and the sprayer supported on one running body were connected to each other by a flexible liquid guiding tube, and the middle part of the liquid guiding tube was pivotally supported on the other running body. The tow rope is wound around a rotating pulley, the rope pulleys are rotatably supported on both ends of the running surface of the running body and either one of the running bodies, and one end is fixed to the running body where no rope pulley is installed. The rope pulley installed at one end of the running surface of the body, the rope pulley installed at the other end of the running surface of the running body, and the direction changing pulley installed on the running body are wound in this order, and the other end of the tow rope is connected to the tensioning device. A liquid dispersion device characterized in that a rotational drive source is connected to either one of the rope pulleys installed at both ends of the running surface of the running body.