JPS61109808A - Road mark cylinder handling working vehicle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (al) Field of Industrial Application The present invention is used in the field of work vehicles that install road sign tubes on the road surface or retrieve them from the road surface onto a loading platform.

(b) Conventional technology Road sign tubes are installed to separate the road construction zone from the general vehicle driving zone when road construction is being carried out, so that construction workers can work safely and vehicles can travel safely. It was designed so that it could be driven on.

By the way, as shown in Fig. 6, in the case of a conventional work vehicle that handles road sign tubes, when the belt conveyor GA (01) is extended and set in a predetermined position, if there is a change in the height of the road surface,
The height of the tip of the belt-conhair device (01) changes, causing the road sign tube (02) to fall over when it is installed, and to fail to collect it when it is collected. There was a problem.

(C) Problems to be Solved by the Invention The present invention has been made in order to solve the above-mentioned problems.The belt conveyor device is provided on a post so as to be able to swing up and down, and the belt conveyor device is provided on a post on the front side of the heald conveyor device. If support wheels are provided and the belt conveyor device is extended, the support wheels will come into contact with the road surface so that the height of the heald conveyor device will follow the road surface and always remain constant, and the installation of road sign tubes will be carried out. This eliminates the possibility of the product falling over during the process or failing to collect it during recovery.

fdl Means for Solving Problems; ゛ The characteristics of the present invention are that a conveyor device is provided on a post on a loading platform so as to be able to swing up and down, and a road sign cylinder loaded on the loading platform is installed on the road surface. and a work vehicle that handles road sign tubes that is capable of recovering at least one of the following:
A road where support wheels are provided at the tip of the conveyor device, and when the conveyor device is extended, the support wheels are brought into contact with the road surface so that the conveyor device can be maintained at a constant height above the road surface. The vehicle was designed to handle marker tubes.

(e) Examples Embodiments of the present invention will be described below based on the drawings.

In Figures 1 and 2, (1) is a loading platform mounted on the vehicle body (2), which is a flexible road sign tube (shaped like a circle).
3) is loaded.

A post 4) is provided at the rear of the loading platform (1) so as to be movable left and right on a rail (5), and the post (4) is provided with a moving part equipped with rollers (6) (6)... (7) and a rotatable rotating part (8) which also serves as a support.

(9) is a belt conveyor m! which is a conveyor device that sets the marker cylinder (3) loaded on the loading platform (1) on the road surface or collects it from the road surface to the loading platform (11). The conveyor device (9) has a pair of left and right frames 0[ilQω,
The pair of left and right belt conveyors (11) (11) provided in the pair of left and right frames αωα0) and the belt conveyor device (9) are held at a constant height above the road surface, and the belt conveyor device ( 9), and a pair of swingable left and right support wheels (26) (26) whose height above the road surface can be arbitrarily adjusted; , the base (lla) and tip (llb) of the belt conveyor (11) (11) are widened in a curved shape, and the middle part (IL
C) is made slightly narrower than the diameter of the clamping part (3a) of the marker cylinder (3), and the label %? j (Move 31 to the base of the belt conveyor (11) (11)
) or the tip (, 1lb) to hold the marker tube (3),
It is intended to be opened.

The belt conveyor (11) (11) has a plurality of rollers (13) (13) for passing and guiding the belt (12) (12), as shown in Fig. 3. at its base (lla) roller (14) (1
4) is a drive roller driven by an electric morph (15).

Furthermore, the rotations are synchronized and the rotation directions are reversed by the swab locks (17) (17) provided on the roller shafts (16) (16) of the drive rollers (14) (14). .

Further, as shown in FIG. 4, inside the frame θOIQω,
A pair of left and right guide grooves (19) (19) into which a pair of left and right guide rollers (18) (1B) rotatably supported are provided at the upper end of the post (4). ) (19) guide roller (18)
By rotating (18), the belt conveyor device (9) can be moved back and forth between the installation position indicated by the solid line and the storage position indicated by the chain line, as shown in FIG.

The stopper (20) (20) provided on the belt conveyor device (9) moves the guide roller (18) (
18) and when the supporting wheels (26) provided at the tip of the belt conveyor device (9) come into contact with the road surface.

(21) is a locking device for locking the left and right positions of the post (4), and is designed to lock the moving part (7) of the post (4).

Reference numeral (22) is a centrifugal bin for centering the turning direction of the belt conveyor device (9), and this set pin (22) is inserted between one through hole (23) provided in the rotating part (8) and the moving part (7).
) A plurality of bottle holes (24) (24)
The heald conveyor device (9) can be rotated in the turning direction by fitting the heald conveyor device (9) into the holes.

(25) is a belt conveyor (1
1) This is the receiving pipe that sends to (11).

Next, a pair of left and right support wheels (26) is the gist of the present invention.
The mounting condition of (26) will be explained based on FIG. 5.

These support wheels (26) (26) have the same shape, so one support wheel (26) will be explained. (27) is a U-shaped support pipe with one end attached to the support wheel (26). 27) Insert the other end into the mounting pipe (28) attached to the lower surface of the frame aω at the tip of the belt conveyor device (9), and tighten the bolts (29) (29) and nuts (30) (30). It is fixed.

The support pipe (27) and the mounting pipe (28) have a large number of mounting holes (31) (31)..., (32).
(32) . . . are provided, and by changing the insertion method of the support bar (27), the height of the healdconhair device (9) above the road surface can be adjusted freely.

Next, to explain the effect of the embodiment, first, the loading platform (1)
Place the belt conveyor device (9) in the storage position above on the loading platform (
1) In the rearward direction, the stoppers (20) (20) are connected to the guide rollers (18) (18), and the support wheels (26)
Push it out until it touches the road surface.

Next, move the post (4) along the rail (5) and lock it with the locking device (21), and then
) into the through hole (23) and the selected bottle hole (24), the belt conhair device (9) is inserted into the marker tube (3).
) Can be screwed into place for installation.

Here, if the height of the belt converter device (9) above the ground does not match the road sign tube (3), use the bolt (29)
(29), nut (30) Remove (30), change the insertion dimension of the support pipe (27) into the mounting pipe (28), and set it to the optimal height.

After that, the electric motor (15) is driven and the drive roller (1
4) When (14) is rotated, belts (12) (12
) begins to move in the direction of arrow A in FIG.

At this time, the left and right belts (12) (12) are the roller shafts (16) of the drive rollers (14) (14).
The sprocket (17) provided at (16) (17) synchronizes the rotation and moves in the opposite direction.

Next, the worker places the marker tube (3) on the loading platform (1) onto the receiving pipe (25) and carries it onto the belt conveyor (11) (1).
1) When pushed in while being guided by the curved guide part, the pushed-in marker tube (3) will be moved from the left and right belts (12) (12) to the center of the axis of the marker tube (3). Receiving a symmetrical pressing force, the marker tube (3)
) can be moved sequentially toward the road surface while being held in a depressed manner and installed on the road surface. By repeating this process, the marker tubes (3) can be installed at positions at predetermined intervals.

At this time, the height of the belt converter device (9) follows the road surface and remains constant, so the road sign tube (3) will not fall over.

It is also possible to collect the marker tube (3) as follows.

First, while reversing the vehicle, belt conhair (11)
(11) is reversed in the direction of arrow B in Fig. 1. Then, the marker tube (3) on the road surface is moved to the left and right belt conveyor (11). The middle part (Llc) is guided by the middle part (llb).
The marker tube (3) moves toward the loading platform (11 direction) while being held by the holding portion (3a).

The marker tubes (3) separated from the belt conveyor (11) (11) and placed on the receiving pipe (25) are collected by an operator arranging them on the loading platform (1).

At this time as well, the height of the belt conveyor device (9) follows the road surface and remains constant, so no road sign cylinder (3) is missed in collection.

When the installation or collection of the marker tube (3) is completed, lift the tip of the belt conveyor device (9) upwards, and then move the loading platform +
1) Push it forward and store it on the loading platform (11).

By the way, although it is possible to collect the marker cylinder (3) as described above, the collection may be performed using another device.

Also, the guide groove (19) (19) and guide roller (18)
) (1B) has been abolished and replaced with a belt conveyor! +91
It is pivoted to the upper end of the post (4) and can be extended and retracted by turning and raising and lowering it.

Further, in this embodiment, the drive rollers (14) (14) are driven by the electric motor (15), but the drive rollers (14) (14) may be driven using hydraulic pressure.

Also, in this embodiment, the belt conveyor device (9) is a belt conveyor (11) (11), but a chain conveyor may also be used, and the sprockets (17) (17) provided on the roller shaft (16) (16) may also be made of a chain. It's okay.

In addition, in this embodiment, belt conveyor equipment W (9) o)
The height from the ground surface is adjusted by shifting the positions of the mounting holes 31 and 32 provided in the support pipe (27) installed on the roller (26) and the mounting pipe (2B), but it is not possible to adjust the height from the ground surface to the belt controller. A known telescopic hydraulic cylinder may be disposed between the child device (9) and the roller (26), and remote control may be performed using a known remote control device.

(f) As a result of the invention, the height of the belt conveyor device follows the road surface and is always constant, so when the road sign tube is placed on the road surface or collected on the loading platform, the road sign tube does not fall over. This will eliminate the possibility of missed collection.

[Brief explanation of the drawing]

1 and 2 are a plan view and a survey view of the working vehicle of the present invention, FIG. 3 is a sectional view taken along I-II of FIG. 2, and FIG.
FIG. 5 is a detailed view of the supporting wheels, and FIG. 6 is a front view of a conventional work vehicle. (1) is a loading platform, (3) is a road sign tube, (8) is a post,
(9) is a belt conveyor device, and (26) is a support wheel. Applicant Kyokuto Kaihatsu Kogyo Co., Ltd. Mitsubishi Motors Corporation -3.

Claims (1)

[Claims] A road sign tube, in which a conveyor device is installed on a post on a vehicle loading platform so that it can swing up and down, and the road sign tube loaded on the loading platform can be installed on the road surface and/or recovered from the road surface onto the loading platform. In the handling vehicle, support wheels are provided at the tip of the conveyor device, and when the conveyor device is extended, the support wheels are brought into contact with the road surface and the conveyor device is raised to a certain height above the road surface. A work vehicle that handles road sign tubes that can be held.