JPH06336857A - Driving device for safety fence of packing garage pallet - Google Patents

Abstract

PURPOSE:To reduce cost required for manufacture and operation by providing a control arm which pushes down a safety fence to a falling down position when a movable floor falls down horizontally, and makes the safety fence stand when the movable floor stands up. CONSTITUTION:When a driver gets on and off an automobile at the time of getting in and out of the car onto a pallet 10, a movable floor 30 is made to fall clown by contracting a motor cylinder 35, and an elastic energizing means 25 is therefore pushed to contract, and a stanchion 21 falls, and a safety fence 20 is pushed down through a control arm 40. In addition, when the car is mounted on the pallet 10, and then the motor cylinder 35 is lengthened to stand up the movable floor 30, the energizing force of the elastic energizing means 25 stands up the stanchion 21, and the safety fence 20 stands up.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parking lot facility, and more particularly to a safety net driving device for a parking lot pallet.

[0002]

2. Description of the Related Art Conventionally, in a parking lot pallet, if a vehicle door with a half-door closed suddenly opens during movement of the pallet on which the vehicle is placed, the vehicle and parking equipment will be damaged. It will be. Therefore, in order to prevent the occurrence of such an accident, the safety fences on both sides are erected and fallen down by a driving means such as a telescopic cylinder mounted on each pallet. That is, when a driver or the like gets in or out of a car at the time of loading or unloading, the safety fence is activated by driving the safety fence in a laid state and raising the movable floor around the pallet to raise or lower the pallet. I am trying.

[0003]

However, in the conventional safety fence drive device for the parking pallet, since the safety fence standing and falling drive means are provided for each pallet, the pallet becomes heavy and the pallet movement power is increased. Requires a large amount of power, which causes a high cost. In addition, when the movable floor is interlocked with the constant speed opening / closing, the control arm makes a circular motion, so that the fall operation of the safety fence tends to be rapid.

The present invention has been proposed in view of the above circumstances, and an object thereof is to provide an economical safety fence drive device for a parking pallet that reduces the weight of the pallet and reduces the manufacturing and operating costs. I am trying. Another purpose is
By adopting an electric cylinder as the opening / closing driving means of the movable floor, the operating speed of the arm is made variable to obtain a smooth safety fence operation.

[0005]

To this end, the invention according to claim 1 provides a safety fence provided on both right and left sides of a rectangular pallet mounted on a vehicle so as to be capable of undulating on a vertical vertical plane in the pallet longitudinal direction. An elastic elastic urging means for urging the safety fence to the upright position, a movable floor erected by the driving means between the pallet and the fixed floor, and the movable floor laid down horizontally. At this time, the safety fence is pushed down to the lying position, and when the movable floor is erected, the control arm is erected.

The invention of claim 2 is characterized in that, in claim 1, the driving means for the movable floor is an electric cylinder.

Further, the invention of claim 3 is characterized in that, in claim 1, a rolling roller is provided at a tip of the control arm.

[0008]

According to this structure, the safety fence is provided at both sides of the vehicle mounting pallet so that the door of the mounted vehicle is restrained from opening to the outside of the pallet and the door can be sufficiently opened. It can be moved up and down to the lying position and is always urged to the standing position by the elastic urging means capable of expanding and contracting. The movable floors in front of and behind the pallet are also connected to the fixed floor so that they can be raised and lowered by the driving means, and the elastic biasing means is contracted by the fall operation of the movable floor via the control arm protruding from the movable floor. While pushing down the safety fence, it is possible to get in and out of the pallet of the vehicle and to open and close the door. Further, the safety fence can be erected by the elastic urging means by the erection operation of the movable floor, the entry and the exit of the vehicle to and from the pallet are regulated to allow the pallet to move, and the opening of the door is regulated. If an electric cylinder is used as the drive means for the movable floor, it is possible to prevent the sudden operation by changing the rising and falling speeds of the safety fence.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will now be described with reference to the drawings. FIG. 1 is a longitudinal sectional side view of the same, FIG. It is an enlarged plan view.

In the above figure, a safety fence drive device 1 for a parking pallet is a safety fence which is provided on both long side portions 11 of a vehicle mounting pallet 10 in the shape of a rectangular flat plate so that it can stand up and down in the longitudinal direction of the pallet. 20 and the safety fence 20 in the standing position (Fig. 2
The elastic urging means 25 that is always urged to (indicated by a chain double-dashed line) and the electric cylinder 35 that is a drive means between the pallet 10 and the fixed floor 5 so that the pallet 10 is erected and fallen. Movable floor 3 connected to fixed floor 5 with hinge 34
Place the safety fence 20 in the laid position (Fig. 2).
(Indicated by the solid line) and the safety fence 20 in the standing state.
The control arm 40 is provided so as to project from the movable floor 30 so as to allow the standing up of.

The safety fence 20 is a pair of left and right stanchions 2 which are erected on both sides of the pallet 10 in the longitudinal direction (longitudinal direction) of the pallet and are pivotally supported at the lower end so as to be able to fall.
1, 21 and a vertical bar 22 connected at their upper ends, and the vertical bar 22 has a height such that it comes to an intermediate height of the door 9 of the pallet-mounted vehicle 8 in the standing position. It is assembled like.

The elastic spring cylinder 25, which is an elastic urging means, includes a bracket 2 between the pallet 10 and the stanchion 21.
The extension spring force holds the stanchion 21 in the upright position, and the stanchion 21 collapses when pushed by a force greater than the spring force. The stanchion 21 has an actual standing position inclined by about 60 ° in order to facilitate pushing down by the control arm 40.

The control arm 40 is curved in a substantially L shape and has a urethane rolling roller 41 at its tip. The bending of the arm 40 is about 3 degrees from the horizontal when the movable floor 30 is horizontal.
The rolling roller 41 contacts the stanchion 21 when the angle of 0 ° is reached. The electric cylinder-35 of the movable floor 30 is slowly contracted from 30 [deg.] To a horizontal position so that the safety fence 20 is gently laid down.

[0014]

According to the safety fence driving device for a parking pallet of the present invention, the safety fence is provided on both sides of the pallet so as to be upright and upright, and is urged to the upright position by the elastic urging means. Is interlocked with the movable arm between the pallet and the fixed floor by the horizontal laying operation by the driving means, and can be erected by the erection operation. It is not necessary to provide any means, the total weight of the pallet can be reduced, and the manufacturing and operation costs can be reduced. Further, when the driving means for the movable floor is constituted by an electric cylinder, the operation of the movable floor can be easily made to be a variable speed on the way, and the safety fence can be quietly laid down.

In short, according to the first aspect of the present invention, a safety fence is provided on both right and left sides of a rectangular pallet mounted on a vehicle so that it can be undulated on a vertical vertical plane in the pallet longitudinal direction, and the safety fence is in an upright position. The elastic elastic urging means urging the movable pallet, the movable floor erected by the drive means between the pallet and the fixed floor, and the safety fence when the movable floor lays down horizontally. An economical parking pallet safety fence that reduces the pallet weight and manufacturing and operating costs by having a control arm that pushes down to the lying position and raises the safety fence when the movable floor stands up. The present invention is extremely useful in industry because it provides a driving device.

According to the invention of claim 2, in claim 1, the driving means for the movable floor is an electric cylinder, and in addition to the effect according to claim 1, the operation speed of the arm is set to a variable speed to operate the safety fence. The present invention is extremely useful industrially because it can be made smooth.

According to the third aspect of the present invention, in the first aspect, the control arm is provided with a rolling roller at the tip thereof. Since the operation of the safety fence can be made smooth by the present invention, the present invention is extremely useful industrially.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view showing an embodiment of the present invention.

FIG. 2 is a partially enlarged view showing an outline of the safety fence of FIG.

FIG. 3 is an enlarged plan view of FIG.

[Explanation of symbols]

 1 Safety Pallet Drive Device for Parking Pallet 5 Fixed Floor 8 Pallet-Mounted Vehicle 9 Door 10 Vehicle-Mounted Pallet 11 Both Long Sides 20 Safety Fence 21 Stantion 22 Vertical Bar 25 Elastic Biasing Means 26 Bracket 27 Bracket 30 Movable Floor 34 Hinge 35 Drive means (electric cylinder) 40 Control arm 41 Rolling roller

Claims (3)

[Claims] 1. A safety fence provided on both left and right sides of a rectangular pallet mounted on a vehicle so as to be capable of undulating on a vertical vertical plane in the pallet longitudinal direction, and an extendable and retractable urging the safety fence to an upright position. An elastic biasing means, a movable floor that is provided between the pallet and the fixed floor so that it can be undulated by a driving means, and when the movable floor is horizontally laid down, the safety fence is pushed down to the lying position, and the movable floor is A safety fence drive device for a parking pallet, comprising a control arm that raises the safety fence when it stands up. 2. A safety fence drive device for a parking lot pallet according to claim 1, wherein the drive means for the movable floor is an electric cylinder. 3. The safety fence drive device for a parking lot pallet according to claim 1, wherein a tip end of the control arm is provided with a rolling roller.