JPH01287306A - Working truck for bridge - Google Patents

Abstract

PURPOSE:To promote working efficiencies of inspections and repairs by extending and swiveling successively a swiveling tower, movable body and bearing form body from a swivel base provided on the rear body of a truck and moving a work bench provided on the tip thereof to the side and bottom of a bridge and the like. CONSTITUTION:A swiveling tower 2 capable of undulating in parallel with the rear body (m) is provided on a swiveling base 1 mounted on the rear body (m) of the truck (M) so that it is capable of swiveling. After that, a movable body 3 is provided to the long side of the swiveling tower 2 so that it is vertically and slidably in the long side direction. A bearing from body 4 is slidably provided thereto. Then, the swiveling tower 2 is overlapped with the bearing form body 4 to swivel in such a state, but, at the same time, a work bench 5 capable of swiveling at right angles is provided, provided the end of the bearing form body 4 is a cardinal point. The working truck (A) is placed and fixed on a bridge and the like. After that, each device is successively extended, swiveled and slid to move the work bench 5 to the side and bottom of the bridge and the like, and inspections and repairs of required placed are performed.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a bridge work vehicle used for inspection, repair, maintenance, and management of bridge structures, elevated roads, and the like.

(Prior Art) With the increase in transportation and traffic volume in recent years, maintenance and management of roads, bridges, etc. has become increasingly important.

Normally, inspection and repair of the sides and undersides of these bridges and roads, especially elevated roads and bridges, has been carried out using scaffolding set up at the repaired areas.

(Problem to be Solved by the Invention) However, in the conventional method described above, scaffolding must be erected at repair sites such as bridges and elevated roads, which is extremely time-consuming, uneconomical, and It was bad sex.

In addition, the assembly and dismantling of scaffolding and various types of work on elevated structures were extremely dangerous.

The present invention was made in view of the above problems, and
The purpose is to quickly and safely inspect and repair bridges, elevated roads, etc., and to improve the efficiency of such work.

(Means for Achieving the Object) The means of the present invention for achieving the above object includes: a turning table that is rotatably provided on the loading platform of a vehicle; A rotating tower that can be raised and lowered, a movable body that is vertically provided on the long side of the rotating tower and that is slidable in the long side direction, and a movable body that is slidably provided on the movable body and that is parallel to the rotating tower. It is composed of a support frame and a workbench that is superimposed on the support frame and rotates in the superimposed state and rotates at right angles about the end of the support frame, and the support frame is a movable body. A bridge working vehicle is characterized in that a tilting mechanism that tilts from the base point is provided between the base end of the support frame and the movable body.

(Function) According to the above configuration, the bridge work vehicle is installed and fixed at a location on the bridge that requires repair, the support frame is tilted at a predetermined angle by the tilting mechanism, and the turning table is rotated. By erecting the swing tower, the support frame is suspended parallel to the side surface while straddling the bridge railing.

Then, the workbench is rotated so as to be parallel to the side surface of the bridge, rotated at right angles about its base end, and then rotated again, so that the workbench is placed on the underside of the bridge.

(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.

The bridge work vehicle A of the present invention travels to locations where inspection and repair are required on bridges and elevated roads, etc., and is installed and fixed at the inspection and repair locations. This involves inspecting and repairing the underside and side surfaces of roads.

As shown in FIG. 1, the bridge work vehicle A is composed of a turning table 1, a turning tower 2, a movable body 3, a support frame 4, and a work platform 5, which are loaded on a loading platform m of a vehicle M.

A turning table 1 is rotatably attached to a substantially central portion of a loading platform m of a vehicle M, and a turning tower 2 is provided on its upper surface in a laid-down state extending to the rear of the loading platform m.

The turning tower 2 is formed in a truss structure, and its base ends are pivotally connected to both frames 1a of the turning table 1 by a support shaft 1b, and is formed to be able to rise and fall freely by undulating cylinders 1c on both sides.

Furthermore, rails 2a are provided on both sides of the upper surface of the swirling tower 2, and a movable body 3 is erected on the rails 2a.

It should be noted that, contrary to the above, the swirling tower 2 may optionally be provided in a collapsed state extending toward the front of the loading platform.

The movable body 3 is formed in a truss structure like the swirling tower 2, and is movable on the rail 2a by a movable cylinder 3a.

The movable cylinder 3a is a two-stage type installed between the rails 2a, with its base end connected to the support piece 3b at the base end of the swirl tower 2, and its tip connected to the movable body 3.
are fixed respectively.

Further, a support frame body 4 is provided on the front surface of the movable body 3 in parallel with the turning tower, and its tip side is supported by a support member 6 erected in front of the loading platform m.

The support frame 4 is formed in a truss structure shape that is longer than the rotating tower 2, and its base end is attached to the rails 3a on both sides of the front surface of the movable body 3.
Slide a.

Further, the support frame 4 is attached to the movable body 3 so as to be tiltable by a tilting mechanism 7.

The tilting mechanism 7 rotates the support frame 4 to tilt it at a predetermined angle with respect to the movable body 2, and is composed of a connecting body 8 and a tilting cylinder 9.

In the connecting body 8, the tip of a chevron-shaped connecting member 8a is pivotally attached to a front slide member 8a provided on the rail 3a. Further, the inclined cylinder 9 is installed in an inclined manner between the rear slide member 8b on the rail 3a and the support frame 4, and when the cylinder 9 is extended, the support frame 4 is attached with the front slide member 8a as a base point. 4 is rotated upward and tilted at a predetermined angle.

Note that this angle of inclination is at most 30°.

The front and rear slide members 8a, 8b are such that the cylinder rod 4b of the slide cylinder 4a is connected to both slide members 8a,
The cylinder 4 is connected to a truss member that connects the cylinder 8b.
The support frame 4 slides on the rail 3a due to the expansion and contraction of a.
It is something that allows you to move.

A rotating frame 10 is provided at the bottom of the supporting frame 4, and a workbench 5 pivotally attached to the lower end of the rotating frame 10 is superimposed over the entire length of the supporting frame 4.

Further, a ladder is attached to the entire inside length of the support frame 4 on which the work table 5 is superimposed, for the worker to ascend and descend.

The workbench 5 is a platform on which an operator works, and is formed into a U shape by a base plate 5a and side frames 5b erected on both sides of the base plate 5a, and the base end is connected to the rotating frame body 10. It is pivoted at the lower end and tilted at right angles to the rotating frame 10 by rotating cylinders 5C on both sides.

Further, the workbench 5 includes an external workbench 5A and an external workbench 5A.
It consists of an internal workbench 5B that is slidably housed inside A, and when it is turned and folded down, the internal workbench 5B is slid and extended forward.

Next, the operating method of this bridge work vehicle A is shown in Figures 6 to 11.
This will be explained based on the diagram.

First of all, as shown in Figures 6 and 7, the bridge work vehicle A is driven to the location where the bridge or elevated road is to be inspected or repaired, and is placed parallel to the railing and inside and outside. Secure by outgully.

Then, the support frame 4 is tilted at about 30 degrees by the tilting cylinder 9, and the turning table 1 is rotated.
is placed perpendicular to the bridge railing.

By positioning the movable body 3 at the front of the turning tower 2 using the movable cylinder 3a in this state, it is possible to prevent the movable body 3 from protruding from the side of the vehicle onto the road side.

Next, as shown in FIGS. 7 and 8, the undulating cylinder 1c
By raising the swirling tower 2, the support frame 4 is
It straddles the parapet of the Pf beam and hangs down to the side.

In this case, the support frame 4 is approximately 30' wide by the inclined cylinder 9.
Because they are sloped, they can be easily stepped over without touching the parapets and damaging them. This is movable body 3
can be easily stepped over even if it is slid to the front.

Next, as shown in FIGS. 9 and 10, the rotating frame 10 is rotated 90' with the workbench 5 superimposed on the support frame 4, and the workbench 5 is rotated by the rotation cylinder. It will be installed on the side parallel to the bridge.

Then, as shown in FIG. 11, the rotating frame 10 is turned 90 degrees again, and the internal working platform 5B is slid forward and extended, so that the working platform 5 is positioned on the underside of the bridge for inspection and repair. Work becomes possible.

Also, these are put back together in the reverse order. Further, all of these operations are performed by an operation unit (not shown) provided at the front of the loading platform.

(Effects of the Invention) The present invention has the following effects by having the above configuration.

■ Bridge work vehicles allow inspection and repair of bridges, elevated roads, etc. to be carried out safely, quickly, easily, and efficiently.

■ By making the support frame tiltable using a tilting mechanism, the movable body can be positioned in front of the movable body and the rotating tower and the rotating tower can be rotated, so that the movable body protrudes from the side of the vehicle toward the road. In addition, the support frame can easily straddle the parapet when the swing tower is erected, and damage to the railing can be prevented.

[Brief explanation of the drawing]

FIG. 1 is a front view of the bridge work vehicle of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a side view thereof, FIG. 4 is an enlarged front view of the tilting mechanism, and FIG. 5 is a plan view thereof. 6 to 11 are operating diagrams of the device in use. A: Bridge work vehicle M: Vehicle m: Loading platform 1: Swivel board 2: Swivel tower 3: Movable body 4: Support frame 5: Work platform 7: Tilting mechanism patent applicant New Construction Technology Co., Ltd. Figure 6 Figure 7 Figure 85

Claims (1)

[Claims] A turning table that is rotatably provided on the loading platform of a vehicle, and a swinging tower that is provided on the turning disk in parallel with the loading platform, and that can be raised and lowered.
A movable body provided perpendicularly to the long side of the swirl tower and slidable in the long side direction, a support frame parallel to the swirl tower and slidably provided on the movable body, and the support A workbench that is superimposed on the frame and rotates in the superimposed state and rotates at right angles with the end of the support frame as a base, and the support frame tilts with the movable body as the base. A bridge work vehicle characterized in that a mechanism is provided between a base end of a support frame and a movable body.