JPH07223775A - Artificial turf winding device - Google Patents

Abstract

PURPOSE:To quickly perform delivery work and winding/housing work of an artificial turf by performing delivering and winding/housing of the artificial turf without using any winding belt. CONSTITUTION:A non-rectangular large part 5 of an artificial turf for covering a field, wherein a straight end edge is attached to a center shaft 11 while the other, at least one end edge is formed diagonally to an axis of the center shaft 11 is delivered or wound and housed by rotating the center shaft 11 in the normal/reverse directions by a rotational driving device 12, and driving a winch 15 in the winding direction or in the delivering direction. At this time, an artificial turf roller 5R is rotatably supported by respective driven rollers 14. In this case, the resistance to be received by the artificial turf from the field 6 is decreased by resistance decreasing means 9a, 16a. The total length of the artificial turf roller is uniformly supported by respective driven rollers 14 by elevating both ends of the shaft center 11 by an elevating means so as to follow the dimensional change of the artificial turf roller, and delivery and flexure and deformation of the artificial turf roller are prevented, so as to smoothly perform delivering and winding.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an artificial grass winding device.

[0002]

2. Description of the Related Art A conventional artificial turf winding device will be described with reference to FIG. 6, in which 100 is an artificial turf winding device, 6 is an in-field or out-field of a baseball ground, and 5 is an artificial turf covering the field 6. Non-rectangular large part, 1
5a is a cable attached to the front edge of the non-rectangular large portion 5 of the artificial turf, 6b is a small pit provided at one end of the field 6, and 15 is a winding of the cable 15a installed in the small pit 6b. A winch for feeding, 9 is a large pit provided at the other end of the field 6, 5R is an artificial turf roller in the large pit 9, 105 is a pair of rotating rollers that support the artificial turf roller 5R, and 106 is the same. A rotary drive device 16a for each rotary roller 105 is a pressure air blowout hole provided in the field 6 in a scattered state.

In the conventional artificial turf winding device shown in FIG. 6, when the non-rectangular large portion 5 of the artificial turf is spread on the field 6, the artificial turf roller 5R is rotated by the rotary rollers 105, 1.
05, the rotary rollers 105 are released from the rotary drive device 106, and the pressure air is blown from the pressure air outlets 16a to the artificial turf to reduce the resistance received from the field 6 while reducing the resistance of the artificial turf. Non-rectangular large part 5
The cable 15b attached to the front edge of the turf is wound by the winch 15 so that the large non-rectangular portion 5 of the artificial grass is spread on the field 6.

When the non-rectangular large portion 5 of the artificial turf is taken up and stored, the pressure air is blown out from the pressure air blow holes 16a as described above, while the rotary rollers 105 and the cable winch 15 are moved in the opposite directions. To drive. The cable 15a may be removed for winding / storing.

[0005]

In the conventional artificial grass winding device shown in FIG. 6, when the non-rectangular large portion 5 of the artificial grass is wound around the core shaft 11 as the artificial grass roller 5R, the artificial grass roller 5R shown in FIG.
As shown in (1), the diameter of the artificial turf 5R spirally decreases from one end to the other end, and the artificial grass 5R is bent or deformed on each rotating roller 105 due to the non-uniform distribution of its own weight.
The winding belt 110 is fitted on the small diameter side to prevent the artificial turf roller 5R from bending or deforming. Therefore, when the artificial turf roller 5R is unwound and wound / stored, it is necessary to attach / detach several winding belts 110, and the unwound work, winding / storing operation of the artificial turf roller 5R cannot be performed quickly. There was a problem.

The present invention is proposed in view of the above problems, and the object thereof is to allow the artificial grass roller to be fed out, wound up and stored without using a winding belt. An object of the present invention is to provide an artificial turf winding device that can speed up the feeding operation and the winding / storing operation of the artificial turf roller.

[0007]

To achieve the above object, the present invention provides a straight edge attached to a mandrel and at least one other edge with respect to the axis of the mandrel. In an artificial grass winding device for winding a non-rectangular large portion of an obliquely formed artificial grass for field covering, at least one pair of driven rollers for supporting the artificial grass roller wound on the core shaft, and the core shaft. A rotary drive device for rotating the
Extension means for pulling and extending the front edge of the artificial grass on the field, resistance reducing means for reducing resistance received from the field when the field is covered by the artificial grass, and both ends of the core shaft or the driven roller. Elevating means for supporting the unit so that it can be raised and lowered and holding it in a horizontal state (claim 1).

In the artificial turf winding device, the spreading means may be composed of a cable connected to the front edge of the artificial turf and a winch for winding / unwinding the same (claim 2). In the artificial turf winding device, the resistance reducing means may be configured by a pressure air ejection port and a pressure air supply source that ejects pressure air from the ejection port to the artificial turf (claim 3).

In the artificial turf winding device, the resistance reducing means may be constituted by a long eccentric oscillating roller and a rotational driving device for the eccentric oscillating roller (claim 4). In the picking device, a core shaft, a rotation drive device for the core shaft, the driven roller, and the lifting means,
It may be provided in a pit that crosses a part of the field (claim 5).

[0010]

The artificial turf winding device of the present invention is configured as described above, and rotates the core shaft in the positive and negative directions by the rotation driving device and drives the winch in the winding direction or the feeding direction,
Delivering a non-rectangular large portion of a field covering artificial turf with a straight edge attached to the mandrel and at least one other edge formed oblique to the axis of the mandrel,
Take up and store. At this time, each driven roller rotatably supports the artificial turf roller. At that time, the resistance reduction means reduces the resistance that the artificial grass receives from the field. When a large non-rectangular portion of artificial turf is wound around the core shaft as an artificial turf roller, the diameter of the artificial turf is spirally reduced from one end to the other, and the artificial turf roller bends due to uneven distribution of its own weight. Although it bends or deforms (see FIG. 7), both ends of the core shaft are moved up and down by the elevating means so as to follow the diameter change of the artificial turf roller, and the total length of the artificial turf roller is made uniform by the driven rollers. It supports and prevents the artificial turf roller from bending and deforming, and smoothly feeds and winds it.

[0011]

【Example】

(First Embodiment) Next, an artificial grass winding device of the present invention will be described with reference to FIGS.
Explaining with reference to the first embodiment shown in FIG. 3, reference numeral 1 is an artificial turf winding device, in which the artificial turf winding device 1 has a straight edge portion attached to a core shaft 11 and at least one other edge portion. Is to wind up or out the non-rectangular large portion 5 of the artificial turf for covering the field 6 formed obliquely with respect to the axis of the core shaft 11.

1 and 2, 12 is a rotary driving device for rotating the core shaft 11, 14 is at least a pair of driven rollers for supporting the artificial turf roller 5R wound around the core shaft 11,
Reference numeral 15a is a cable attached to the front edge of the non-rectangular large portion 5 of the artificial grass, 6b is a pit provided at the other end of the field 6, and 15 is a cable 1 installed in the small pit 6b.
5a is a winch for hoisting / feeding, and these cables 15
The a and the winch / winding winch 15 for the cable 15a correspond to a stretching means for pulling and stretching the front edge portion of the artificial grass on the field 6.

Reference numeral 16a in FIG. 2 is a pressurized air blowout hole provided in the field 6 in a scattered state, and 16b in FIG. 1 is a large pit 9.
With a long eccentric rocking roller provided in the nearby field 6,
These pressure air blowout holes 16a and eccentric rocking roller 16b
And correspond to resistance reducing means for reducing the resistance received from the field 6 when the field 6 is covered with artificial turf. The drive device for the eccentric rocking roller 16b is not shown.

Reference numerals 17 and 17 in FIG. 3 denote fluid pressure cylinders for supporting both ends (or the driven roller 14) of the core shaft 11 so as to be capable of moving up and down, and holding the core shaft 11 in a horizontal state. It is equivalent. The core shaft 11, the rotary drive device 12 for the core shaft 11, the driven rollers 14, and the fluid pressure cylinders are arranged in a large pit 9 provided at one end or in the center of the field 6 in a transverse manner. The large pit 9 is adapted to be closed by the movable floor 9a which can be flipped up after being fed out, wound up and stored. A guide roller 9b is provided at the opening edge of the large pit 9 to guide the large non-rectangular portion 5 of the artificial turf being fed or wound.

The rotary drive device 12 for the core shaft 11 includes a reversible inverter motor 12a, a sprocket 13a attached to the output shaft of the motor 12a, a sprocket 13b attached to the core shaft 11, and these sprockets 13a, 13b.
A chain 13c suspended between the tension pulley 13 and a tension pulley 13 for absorbing the relaxation of the chain 13c as the core shaft 11 moves up and down.
The rotary drive device 12 rotates the core shaft 11 in synchronization with the winding speed of the winch 15. In addition, when winding and storing, the cable 15
Either a is removed from the front edge portion 5a of the artificial turf, or the feeding speed of the winch 15 is increased.

The lifting and lowering control of the fluid pressure cylinder is performed based on the result of detecting the load of the driven rollers 14 and 14 by a sensor such as a load cell, or the diameter change curve (proportional straight line) of the artificial turf roller 5R due to feeding and winding. The driven rollers 14 and 14 support the artificial turf roller 5R with an appropriate supporting force, prevent the artificial turf roller 5R from being deformed, and smoothly feed and wind the artificial turf roller 5R.

Next, the operation of the artificial grass winding device shown in FIGS. 1 to 3 will be specifically described. The rotation driving device 12 rotates the core shaft 11 in the positive and negative directions and drives the winch 15 in the winding direction or the feeding direction so that the straight edge is attached to the core shaft 11 and at least one other edge is The non-rectangular large portion 5 of the artificial turf for covering the field 6 which is formed obliquely with respect to the axis of the core shaft 11 is fed out or wound up and stored. At this time, the driven rollers 14 and 14 rotatably support the artificial turf roller 5R.

At this time, the pressure air is blown out from the pressure air blowing hole 16a to rotate the eccentric rocking roller 16b to reduce the resistance received by the artificial turf from the field 6. When the large non-rectangular portion 5 of the artificial turf is wound around the core shaft 11 as the artificial turf roller 5R, as shown in FIG. The artificial turf roller 5R bends or deforms due to the non-uniformity of the artificial turf roller 5R. The total length of the lawn roller 5R is the driven roller 1
4 and 14 are uniformly supported to prevent the artificial turf roller 5R from being bent or deformed, and to be smoothly fed and wound.

(Second Embodiment) Next, an artificial turf winding device of the present invention will be described with reference to a second embodiment shown in FIGS. Two
Is an artificial turf winding device, and the difference between the artificial turf winding device 2 and the artificial turf winding device 1 of the first embodiment will be explained. Three fluid pressure cylinders 17b are installed on the pedestal 14a, and The bearing 11a is attached to the upper end of the piston rod of the pressure cylinder 17b, and the two driven rollers 14,
Both ends of 14 are rotatably supported by bearings 11a.

Reference numeral 17b is a fluid pressure cylinder provided at the bottom of the large pit 9. The center of the pedestal 14a is pivotally supported on the upper end of the piston rod of the fluid pressure cylinder 17b. 17
c is a plurality of fluid pressure cylinders provided at the bottom of the large pit 9, and the upper end portion of the piston rod of each fluid pressure cylinder 17c supports both side portions of the pedestal 14a. The lifting control of the fluid pressure cylinder 17b is performed by driving the driven rollers 1 parallel to each other.
The load of Nos. 4 and 14 is detected by the detection result obtained by detecting the pressure sensor provided in the pressure fluid pipe of the fluid pressure cylinder 17b, or the diameter change curve (proportional straight line) of the artificial turf roller 5R due to feeding and winding is obtained. The artificial turf roller 5R is supported by appropriate supporting forces of the driven rollers 14 and 14 which are parallel to each other, and the artificial turf roller 5R is prevented from being bent or deformed, so that the feeding and winding are smoothly performed. In this case, the tension pulley is not necessary because the chain 13c of the rotary drive device 12 does not have a large tension stroke.

Also in this second embodiment, the feeding and winding of the artificial turf are carried out in the same manner as in the first embodiment.

[0022]

As described above, the artificial turf winding device of the present invention rotates the core shaft in the positive and negative directions by the rotation driving device and drives the winch in the winding or unwinding direction so that the straight edge portion is A non-rectangular large portion of a field-covering artificial turf attached to the mandrel and having at least one other edge formed obliquely to the axis of the mandrel is fed or wound up. At this time, each driven roller rotatably supports the artificial turf roller. At that time, the resistance reduction means reduces the resistance that the artificial grass receives from the field. When a large non-rectangular portion of artificial turf is wound around the core shaft as an artificial turf roller, the diameter of the artificial turf is spirally reduced from one end to the other, and the artificial turf roller bends due to uneven distribution of its own weight. Although it bends or deforms (see FIG. 7), both ends of the core shaft are moved up and down by the elevating means so as to follow the diameter change of the artificial turf roller, and the total length of the artificial turf roller is made uniform by the driven rollers. Supports and prevents bending and deformation of the artificial turf roller,
Since the feeding and winding are performed smoothly, the feeding and the winding / storing of the artificial turf roller can be performed without using the winding belt (see 110 in FIG. 7). The picking and storing work can be speeded up.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an artificial grass winding device of the present invention.

FIG. 2 is a vertical sectional side view of the artificial turf winding device.

FIG. 3 is a front view showing an artificial grass roller and a driven roller of the artificial grass winding device.

FIG. 4 is a vertical sectional side view showing a second embodiment of the artificial grass winding device of the present invention.

FIG. 5 is a front view showing an artificial grass roller and a driven roller of the artificial grass winding device.

FIG. 6 is a vertical sectional side view showing a conventional artificial grass winding device.

FIG. 7 is a perspective view showing an artificial grass winding state of the artificial grass winding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Artificial grass winding device 5 Non-rectangular large-sized part of artificial grass 5a Artificial grass front edge 5R Artificial grass roller 6 Field 9 Large pit 9b, 16a Resistance reduction means 12 Rotation drive device 15, 15a Extension means 17 Lifting means

Claims (5)

[Claims] 1. A non-rectangular large portion of a field covering artificial turf having a straight edge attached to a core shaft and at least one other edge obliquely formed with respect to the axis of the core shaft. In an artificial turf winding device that winds up, at least one pair of driven rollers that support the artificial turf roller wound around the core shaft, a rotation driving device that rotates the core shaft, and a front edge portion of the artificial turf. A stretching means for pulling and stretching above, a resistance reducing means for reducing the resistance received from the field when the field is covered with the artificial grass, and a horizontal support by supporting both ends of the core shaft or the driven roller so as to be able to move up and down. An artificial turf winding device, comprising: an elevating means for holding the state. 2. The artificial turf winding device according to claim 1, wherein the spreading means is constituted by a cable connected to a front edge portion of the artificial turf and a winch for winding / unwinding the cable. 3. The artificial turf winding device according to claim 1, wherein the resistance reducing means comprises a pressure air jet and a pressure air supply source for jetting pressure air from the jet to the artificial turf. 4. The artificial turf winding device according to claim 1, wherein the resistance reducing means comprises a long eccentric oscillating roller and a rotation driving device for the eccentric oscillating roller. 5. The artificial turf roll according to claim 1, wherein the core shaft, the rotary drive device for the core shaft, the driven roller, and the elevating means are provided in a pit that crosses a part of the field. Taker.