JPS6138119B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a transportation support means for forward transportation of a wrecking crane.

As shown in Fig. 1, a revolving crane consists of a revolving body 1 that is freely supported by a traveling body 2 running on a railway track, and a long boom 3 that protrudes from the revolving body 1.
The boom 3 can be rotated upward by pulling the levitation rope 4, and rotated downward by loosening it. During crane work, the boom 3 is rotated upward, and the main hook 7 suspended from the tip of the boom 3
The load can be hung using the support hook 8. When transporting the wrecking crane after crane work, the boom 3 is rotated downward and the main hook 7 and auxiliary hook 8 are
is received on the match truck 6, and a fixing pin 14 is inserted between the rotating body 1 and the traveling body 2 to prevent the rotating body 1 from wobbling in the turning direction. The match truck 6 and the wrecking crane and the match truck 6 and the power vehicle 9 are connected by couplers 5, respectively.

In this state, the motor vehicle pulls the mattchi truck 6 and the wrecking crane to transport the vehicle to its destination. When passing through a small-diameter curved road during this transport, even if the matutchi truck 6 curves along the curved road, the tip of the boom 3 above the matuchi truck 6 will not be able to move the boom 3 itself toward the rear wrecking crane side. Since it is fixed, Matsushi Truck 6
They do not bend at the same time. For this reason, if the curved road has an extremely small diameter, the tip of the boom 3 will be
There was a drawback that the vehicle went beyond the vehicle limit enclosed by the hatching in the diagram. This made it dangerous to use a long boom.

An object of the present invention is to always keep the boom within the vehicle limits during transport of a towing crane.

The main point of the present invention is to provide a device for pushing and pulling the boom on a moving vehicle separate from the wrecking crane, to pull the boom removed from the wrecking crane to the moving object and transfer it, and to remove the boom from the moving object. By pushing it out to the side of the crane and assembling it, it can be made ready for crane work.

An embodiment of the present invention will be described below with reference to FIGS. 6 to 11.

As shown in FIGS. 8 and 9, the revolving body 1 and boom 3 of the wrecking crane are connected to each other by a pin 11 passed through a boss 13 into a boss 12 fixed to the revolving body 1, and attached to the base of the boom 3. The processed U-shaped pin part is hooked and the U-shaped opening of the pin receiving part is closed with a stop plate 16 to prevent the pin from coming off. Therefore, if the stop plate 16 is removed from the boom 3, the boom 3 can be removed in the direction of arrow A without removing the pin 11.

The traveling body 2 of the retsuking crane is capable of running on railway tracks with the rotating body 1 placed thereon freely, and as shown in Fig. 6, one side of the matsushi truck and a coupler
are connected. The other end of the match truck 6 is connected to a power vehicle 9 by a coupler 5. With such a connection, a configuration for forwarding the wrecking crane is formed.

A horizontal roller 20 and a vertical roller 19 whose feeding direction is set in the longitudinal direction of the matchtrack 6 are attached to the upper surface of the matchtrack 6 via a frame 24. The height of the top surface of the roller 20 is the pin 11
The height is set at such a height that the U-shaped groove at the base of the boom 3 faces horizontally and supports the boom 3. The vertical roller 19 is connected to a guide rail 18 fixed to the lower part of the boom 3, as shown in FIGS. 10 and 11.
It is arranged to sandwich the Therefore, the upper surface of the pedestal 24 is configured as a roller conveyor surface.

A bracket 22 is fixed to the lower part of the boom 3 as shown in Fig. 11, and a pin 2 is attached to this bracket 22, into which a cylinder rod of a piston/cylinder device 15 adopted as a push/pull drive device can be inserted and removed.
Connected by 3. This piston/cylinder device 15 has a cylinder tail portion connected to a pedestal 24 in a horizontal state. A stopper 21 is attached to the lower part of the boom 3, and is positioned to face a stopper 25 attached to the frame 24.

Reference numeral 17 is a tie-down for connecting the boom 3 and the mattachi truck 6, which improves safety by preventing the end of the boom 3 from lifting up.

In this embodiment, when transporting the wrecking crane, the hoisting rope 4 is loosened and the boom 3 is rotated downward around the pin 11 in the conventional manner. When the boom 3 is placed on the roller 20 by this downward rotation, the stop plate 16 shown in FIG. 8 is removed from the boom 3. Next, attach the bracket 22 and the cylinder rod of the piston/cylinder device 15 to the pin 23.
Connect with. Thereafter, the cylinder rod of the piston/cylinder device 15 is retracted and the boom 3 is pulled toward the matti truck 6 side. This dragging is continued until the stoppers 21 and 25 touch each other, and the boom 3 is placed on the center of the gore track 6, as shown in FIG. Since the rollers 19 sandwich the guide rails 18 during dragging, the boom 3 does not shift in the vehicle width direction. Furthermore, even during forward transportation, the rollers 19 are not connected to the guide rail 1.
8 to prevent the boom 3 from shifting in the vehicle width direction. Once this kind of drag ends,
A tie-down 17 connects and fixes the boom 3 and the matuti truck 6 to prevent the arm 3 from shifting or lifting.

As mentioned above, the boom 3 of the retsuking crane
After transferring the vehicle to the matsushi truck 6, the power vehicle 9 is operated to transport the vehicle. This forwarding state is shown in Figure 6.
In the state shown in Fig. 7, the boom 3 faces in the direction of travel of the matsuchi truck 6 no matter what direction the traveling body 2 or the rotating body 1 of the wrecking crane faces. 3 is the 7th
It becomes difficult for vehicles to protrude outside from within the vehicle limit enclosed by the hatching shown in the figure. Therefore, a longer boom 3 can be used, and small diameter curved roads can be passed safely.

Next, when assembling the boom 3 to the revolving structure 1, the tie-downs 17 are first disconnected, and then the cylinder rods of the piston-cylinder device 15 are extended. If you do this, boom 3
moves on the roller 20 and finally the pin 11 fits into the U-shaped groove at the base of the boom 3. boom 3
is moved by rollers 19 that sandwich guide rails 18.
Since the vehicle is guided by the vehicle, the vehicle is guided in the exact opposite direction to the drag motion, and no rattling occurs in the width direction of the vehicle during this time. Therefore, it is easy to align the pin 11 with the U-shaped groove at the base of the boom 3. Once the U-shaped groove at the base of the boom 3 is fitted into the pin 11, a stop plate 16 is attached to the base of the boom 3, and the pin 23 shown in FIG. 11 is removed. This completes the assembly of boom 3.

As described above, according to the present invention, the boom of the retrecking crane can be removed and transported by being dragged into another moving vehicle, so even if the length of the boom is long, the retrecking crane can be safely transported within the vehicle limit. Effects can be obtained.

[Brief explanation of the drawing]

Figure 1 is a side view showing the forwarding state of a conventional ripping crane, Figure 2 is a front view showing the relationship between the ripping crane and the vehicle limit, and Figure 3 is the relationship between the ripping crane and the vehicle limit. The top plan view shown in Figure 4 is an enlarged view of the pin-bunch shown in Figure 1.
Figure 5 is a plan sectional view of the pin shown in Figure 4,
The figure is a side view showing a state in which the wrecking crane is in transit according to an embodiment of the present invention, FIG. 7 is a top plan view of FIG. 6, and FIG. , FIG. 9 is a plan sectional view of the pin portion shown in FIG. 8, FIG. 10 is a top plan view of the main part when boom relocation is completed in one embodiment of the present invention, and FIG.
The figure is a sectional view taken along the line EE in FIG. 10. 1...Swivel body, 2...Traveling body, 3...Boom,
5...Katsu puller, 6...Matsuchi truck, 7...
...Main hook, 8...Auxiliary hook, 9...Motor vehicle, 1
1...Pin, 15...Piston/cylinder device, 16...Stopping plate, 18...Guide rail, 1
9, 20... roller, 21, 25... stopper, 23... pin, 24... mount.

Claims (1)

[Scope of Claims] 1. A wrecking crane equipped with a removably attached boom, including a moving vehicle disposed at a boom receiving position of the shifting crane, and a pusher detachably provided between the moving vehicle and the boom. A transport support device for a retsking crane characterized by being equipped with a pulling drive device. 2. The transportation support device for a wrecking crane according to claim 1, wherein the moving vehicle is provided with a roller conveyor surface at a position where the boom is received. 3. Claim 1 is characterized in that the base of the boom is provided with an opening that is wide enough to receive a pin provided at the boom attachment part of the wrecking crane and opens toward the end of the base of the boom. A transport support device for a retsking crane.