JP3311062B2 - Box culvert conveyor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box culvert transfer device which can transfer a box culvert used in a sewer or the like to an installation position by mechanical force and can be installed at a fixed position.

[0002]

2. Description of the Related Art The most common method of laying a precast box culvert is to hang it from the upper part using a crane or the like in an open-cut space, but especially in a narrow place, use a large crane. Cannot be used, and it is necessary to move the inside of the excavation space to the installation position using a roller or the like.

The applicant of the present application has developed various box culvert conveying devices used in such a case.
It was proposed in Japanese Utility Model Laid-Open No. 59-18830, Japanese Utility Model Laid-Open No. 62-31186, and the like.

[0004] By using this transfer device, it is possible to use mechanical force instead of the conventional manual-based construction, and it is possible to quickly and safely install a large box culvert without any effort. It became.

[0005] In particular, the transfer device disclosed in Japanese Utility Model Laid-Open Publication No. Sho 62-31186 is a device in which a box culvert is lifted and lowered, and a traverse device that can be transferred in a direction perpendicular to the transfer direction of the traveling vehicle is further arranged. Thus, accurate positioning in the direction perpendicular to the laying direction can be easily performed.

On the other hand, due to various factors such as the density of houses in recent years, the congestion of underground buried objects, and the reduction of construction costs, the excavation space for laying a box culvert has become increasingly narrow. Absent. In extreme cases, the distance from the outer wall of the box culvert to the retaining sheet pile is 1
There are cases where the distance is about 0 to 20 cm.

[0007]

However, in the above-described transport device in which the traverse device is provided before and after the vertically long traveling carriage, the operation of the traverse device is performed by sliding the traverse device at a position immediately beside the traverse device. It is necessary to set the handle directly on the threaded rod screwed to the lower part of the base and manually rotate it.

For this reason, an operation space for the operator to enter between the traveling trolley and the earth retaining sheet pile is necessarily required.
At the site where the excavated section is limited as described above,
There is a problem that the traversing device cannot be operated.

The problem to be solved by the present invention is to provide a means for easily operating a traversing device for transferring a box culvert in a direction orthogonal to a conveying direction even at a site where an excavated section is limited due to various factors. Is to find out.

[0010]

According to the present invention, there is provided a box culvert conveying apparatus comprising: a vertically long traveling carriage for carrying a box culvert on an upper surface thereof; and a plurality of vertically moving elevators provided on the traveling carriage. And a traverse device arranged on the plurality of elevating tables and capable of transporting the box culvert in a direction substantially orthogonal to the transport direction.
A box culvert transfer device, wherein the traversing device includes a support fixed to the elevating platform and a support platform mounted on the support platform.
Move the slide base and move this slide base
Consists threaded rod for causing said with hands from the rear of the traveling carriage are arranged to deliver KuSusumu row direction after orientation location and traveling direction before heading location, feed side of the traveling direction rearward
The device has a driving sprocket and a handle attached to the end of the threaded rod.
And a lateral feeder in the forward direction of travel.
Section is provided with a driven sprocket, and the driven sprocket is
Connect the driven sprocket by a chain and
Traveling rearward of the transverse feeder and to have an interlocking relationship between the forward traveling direction of the transverse feeder, wherein the transverse feed device operates the traversing device of the forward traveling direction of the traveling direction rear drivable operation and It is characterized by having done.

By adopting such an interlocking mechanism, the progress
Handle at the handle mounting part of the traverse feeder at the back of the row direction
By setting and rotating,
At the same time as operating the feeder,
Can be made.

[0012]

In the box culvert transfer device of the present invention, the transfer device is disposed at a position rearward in the traveling direction from the rear position of the traveling vehicle.
By operating the traversing device placed in the
Since the feeding device can also be operated, it is not necessary for the operator to enter between the traveling cart and the sheet pile, especially in the case of a large box culvert conveying device.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the embodiments shown in the drawings.

FIG. 1 is a perspective view of a box culvert conveying apparatus A according to an embodiment of the present invention, and FIG.

In the drawing, reference numerals 1 and 2 denote first and second longitudinally extending traveling vehicles arranged in parallel, respectively, and 3 hangs on both base ends of the pair of first and second traveling vehicles 1 and 2. In the passed connection frame, the electric hydraulic pump 20 is mounted, and is formed so that the overall planar shape becomes a U-shape.

As shown in the front view of FIG. 3, the first traveling vehicle 1 has a hollow rectangular cross section inside, and each of the wheels 6 is rotationally driven by a driving motor 5 disposed at a base end portion. Let it. 7 is a reduction gear, and 8 is a chain connecting the drive motor 5 and the wheel 6. The driving of the first traveling vehicle 1 is performed by remote control using a remote control switch 9 connected to the drive motor 5.

Reference numeral 10 denotes a cylinder fixed in the hollow part, and an actuator 11 of the cylinder extends and retracts vertically from an opening provided in the traveling vehicle 1. The operation of the actuator 11 is performed by the remote control switch 9 described above.

Reference numeral 13 denotes a lifting platform mounted on the first traveling vehicle 1, which has a cross-sectional shape that is concave downward and covers the upper surface and both side surfaces of the traveling vehicle 1. This elevator 13
With the box culvert mounted thereon, the cylinder 11 moves up and down by extension and contraction of the actuator 11 by the operation of the cylinder 10.

FIG. 4 is a plan view of the traverse device provided rearward in the traveling direction, FIG. 5 is a plan view of the traverse device provided forward, and FIG. 6 is a front view of FIG.

The traverse device 15 includes a support base 15a fixed to a lift table and a slide base 15b that moves on the support base 15a in a direction perpendicular to the traveling direction of the traveling vehicle.
It is composed of 15c is the slide base 15
The two ends are rotatably supported by a support base 15a, and are screwed to the lower part of a slide base 15b.

The transverse feeder 15-A provided rearward in the traveling direction shown in FIG. 4 has a handle mounting portion 1 at the end of the screw 15c.
9, a handle (not shown) can be set on this and rotated manually.

On the other hand, the lateral sprocket 15-B shown in FIG.
6 is fixed to a rear position of the first traveling vehicle 1, that is, a position where the operator can reach the rear traveling vehicle 1 in a position where the operator can reach the rear traveling vehicle 1. And the driven sprocket 16
And the driving sprocket 18 are connected by a chain 17. Therefore, a handle (not shown) is attached to the handle mounting portion 19 provided below the traversing device 15-A.
By setting and rotating, the traversing device 15-B in the forward direction of travel can be operated.

The basic structure of the second traveling vehicle 2 located on the left side in the traveling direction is substantially the same as that of the first traveling vehicle 1 described above, and the corresponding components are denoted by the same reference numerals. ing. However, at the position corresponding to the traversing device 15 of the traveling vehicle 1, the box culvert mounted on the traveling trolley 1 is moved in a direction perpendicular to the traveling along with the operation of the traversing device 15.
A series of rollers 21 are provided.

Next, with reference to FIGS. 7 and 8, an operation of installing the box culvert B by the transport device A having the above-described configuration will be described.

First, a rail 31 is laid on the shoulder of a concrete subgrade 30 having a flat convex cross section, and the transport device A is arranged on the rail 31 so as to straddle the concrete subgrade 30.

At this time, the slide base 15 of the lift 13
The cylinder 10 of the transport device A is contracted so that the upper surface of b does not come into contact with the lower surface of the box culvert B placed on the concrete subgrade 30 surface.

From this state, the cylinder 10 is operated to extend the actuator 11, and the elevator 13 is raised.
Box culvert B as shown in
Float from. Then, the drive motor 5 is driven to move the transfer device A in a predetermined direction, and the box culvert B is transferred to the installation position.

Next, as shown in FIG. 8, the actuator of the cylinder 10 is retracted at the installation position in the vicinity of the box culvert B-1 group which has already been arranged, so that the elevator 1
3 is lowered, and the box culvert B is placed on the surface of the concrete subgrade 30.

In this case, the box culvert B-
In order to align with the first group, the traverse feeder 15 having the slide base 15b moved by the screw rod 15c,
Perform positioning. The operation is performed by a handle mounting portion 19 of the traversing device 15-A disposed rearward in the traveling direction and a handle of the traversing device 15-B disposed below the traversing device 15-A and disposed in front of the traveling direction. This is performed by attaching a handle (not shown) to each of the mounting portions 19. All such handle operations can be performed by reaching out from behind the transport device A. By this lateral movement adjustment, even if the arrangement of the box culverts B is a curved one, it can be effectively performed, and accurate positioning can be performed by a simple operation.

When the installation of the box culvert B is completed, the transport device A is moved to the place where the next box culvert is carried in, and thereafter, the operation of transporting and installing the box culvert B is performed in the same manner as described above.

As described above, in the transport device A of the present embodiment, both of the two lateral feed devices 15-A and 15-B provided before and after the vertically long traveling carriage 1 are the same as those of the transport device A. Because it can be operated from the rear position, as before,
There is no need to work between the box culvert and the earth retaining sheet pile, and the transport device A can be used in a narrow excavation section.

In the above embodiment, the operating portion of the traversing device 15-B located at the front is provided on the side surface of the traveling vehicle 1 so that it can be remotely operated. However, the present invention is not limited to such a structure. For example, it can be provided on the connecting frame 3 via a plurality of gear mechanisms. Further, two transverse feeders 15-A and 15-B may be linked. Furthermore, it is also possible to use an electric drive system and to provide this operation switch on the connecting frame 3.

[0033]

According to the present invention, it is possible to operate the traversing device from the rear position of the transfer device, and it is not necessary to insert the box culvert between the box culvert and the earth retaining sheet pile as in the prior art, so that the conventional device cannot be used. The use of the transport device in a narrow excavated section becomes possible.

[Brief description of the drawings]

FIG. 1 is a perspective view of a box culvert conveying device according to an embodiment of the present invention.

FIG. 2 is a side view of the transfer device shown in FIG.

FIG. 3 is a front view of the traveling vehicle shown in FIG.

FIG. 4 is a plan view of a traverse device provided rearward in the traveling direction.

FIG. 5 is a plan view of a traverse device provided forward in the traveling direction.

FIG. 6 is a front view of the traveling vehicle.

FIG. 7 is an explanatory diagram of an installation operation by the transfer device shown in FIG. 1;

8 is an explanatory diagram of an installation operation by the transfer device shown in FIG.

[Description of Signs] 1 first traveling vehicle, 2 second traveling vehicle, 3 connecting frame, 5 drive motor, 6 wheels, 7 reduction gear,
8 chains, 9 remote control switches, 1
0 cylinder, 11 actuator, 13 elevating platform, 15 lateral feeder, 15a support platform, 15b slide base, 15c screw rod, 16 driven sprocket,
17 chain, 18 driving sprocket, 19 handle mounting part, 20 hydraulic pump, 21 roller

Claims (1)

(57) [Claims] 1. A vertically long traveling trolley for carrying a box culvert on an upper surface thereof, a plurality of elevators provided on the traveling trolley for raising and lowering the box culvert, and the box culverts disposed on the plurality of elevators. a conveying device Bo <br/> Tsu box culverts having a transverse feeder transportable to the conveying direction in a direction substantially perpendicular to the transverse feed device the support base surface and the support base fixed to the elevating platform Move up
Moving the slide base and this slide base
Consists because of threaded rod, together with the hand from behind is arranged to deliver KuSusumu row direction after orientation location and traveling direction before heading location of the traveling vehicle, the traveling direction behind the transverse feed device
There is a driving sprocket and handle mounting part at the end of the threaded rod
Is provided at the end of the screw rod in the traversing device in the forward direction of travel.
A driven sprocket is provided, and the driven sprocket is
Connect the driven sprockets by a chain and proceed
To have an interlocking relationship between the transverse feed device and the forward traveling direction of the transverse feeder rearward, and can be driven operates the traversing device of the forward traveling direction by operating the horizontal feeder of the traveling direction rearward Bock culvert conveying device, characterized in that: