JPH04349045A - Transport vehicle for long object - Google Patents

Abstract

PURPOSE:To provide a transport vehicle for long objects, which is able to carry the objects to destination via a desired routing very easily without requiring use of any large scale facility. CONSTITUTION:Arrangement according to the invention comprises two vehicles equipped with a chassis 1, which is fitted with running devices 13b having wheels 12b driven by respective driving mechanisms 11b working independently on the left and right and which is equipped with a revolving table 4 for placing thereupon the ends of long objects. The chassis of each vehicle is divided into an upper chassis 2 having wheels 24 for running on rails and alower chassis 1 having wheels 12b for trackless running, and the table 4 is set on the upper chassis 2. These two chasses 1, 2 are moved up and down relative to each other by an elevating/sinking mechanism 3 so that the vehicles can run both on the rails and any trackless surface.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport vehicle for transporting long and heavy objects such as steel materials and railway cars.

0002

[Prior Art] Overhead cranes are used as transportation machines for transporting heavy long objects such as steel materials and railway cars in factories and collection sites. A transfer platform called a so-called traverser is known as a transfer machine that can transfer objects laterally.

However, these transport machines require crane rails or large transfer platforms to be installed along the transport route, and the transport machines must be moved along crane rails that have been installed in advance on the ceiling of the factory. Or, it is a device that diverts between tracks laid on the ground, and both have the inconvenience of being able to be transported only along a predetermined route, so they can only be used for transportation between specific locations. Not only that, but when transporting on a curved route, an extremely large area is required, and furthermore, when using an overhead crane, lifting and lowering operations are troublesome and there is a risk of falling.

0004

[Problems to be Solved by the Invention] The problems to be solved by the present invention are that conventional conveying machines for long objects require a large amount of equipment cost, cannot make sharp turns, and cannot be moved along a predetermined path. The point is that it only needs to be transported by hand.

[0005]

[Means for Solving the Problems] A first invention for solving the above problems consists of two vehicles each supporting both ends of a long object, and each of the vehicles is driven by a mutually independent drive mechanism. A configuration comprising a traveling device having wheels and disposed on both left and right sides of the trolley, and a loading platform for placing the end of the long object, which is arranged on the upper surface of the trolley so as to be freely pivotable. The second invention is comprised of two vehicles each supporting both ends of a long object, and each of the vehicles is provided with traveling devices on both left and right sides having non-track wheels driven by mutually independent drive mechanisms. a first bogie that has rail wheels arranged above or below the first bogie; a loading platform for placing the end of the long object placed on the platform; and a lifting mechanism for moving the two carts up and down relative to each other to ground either the non-rail wheel or the rail wheel. The object of the present invention is to provide a long object transport vehicle that can transport long objects to a destination through a desired process very easily without requiring extensive equipment. achieve.

[0006]

[Operation] Both ends of a long object are placed on the loading platforms of two front and rear vehicles arranged at a predetermined distance, and each vehicle runs in a predetermined direction at a predetermined speed. The object is transported to the destination along a desired route. During transportation, the long objects are stably supported at both ends by their own weight on the rotatable loading platform of each vehicle, and are transported following the movement of each vehicle. In addition, either one of the truck having wheels for rails and the truck having wheels for non-rails is lowered by the lifting device so that it can travel on both the track and non-track transport paths, and corresponds to the transport route.

[0007]

Embodiment FIGS. 1 to 4 show an embodiment of the first invention, which is comprised of two front and rear vehicles A and B having the same configuration.

[0008] Each vehicle A and B is a bogie 1 having a rectangular plane.
The bogie 1 has wheels 12a and 12b made of solid tires for running on non-tracks at the central position in the longitudinal direction.
A pair of left and right traveling devices 13a and 13b are provided at symmetrical positions on both sides of the center line in the longitudinal direction. It is composed of end carts 1b and 1c each having wheels 12a and 12b and a pair of casters 14 and 14 located on the same plane. Central trolley 1
a and one end carriage 1b are hinges 18, 1 having horizontal axes.
8, and the central truck 1a and the other end truck 1c are loosely connected by a connector (not shown), and an air spring 19 is installed in the vertical direction. Even when the central bogie 1a runs on an uneven road surface, the central bogie 1a does not tilt. The wheels 12a and 12b provided on the central truck 1a are driven by a drive mechanism 11a consisting of a speed reducer and a reversible electric motor directly connected to the respective axles.
Wheels 12a,
The rotational speed of 12b is independently controlled. Therefore, a steering function is provided to change the running direction of the truck 1 by varying the rotational speeds of the left and right wheels 12a, 12b.

A loading platform 4 is supported at the center of the upper surface of the central truck 1a via a radial thrust bearing 41 so as to be rotatable at the center.

In the drawings, reference numeral 5 denotes a controller mounted on one end truck 1c for controlling the drive mechanisms 11a, 11b of the wheels 12a, 12b of each vehicle A or B;
A battery for supplying driving power is mounted at the rear of the other end truck 1b.

Next, a method of using this embodiment will be explained. 3 and 4 show an example of the use of this embodiment in the case of transporting a long object 7, which is a railway vehicle. Place it. Then, a long object 7 consisting of a vehicle body from which the truck has been removed is lifted up by a crane or the like, and its both ends 7a and 7b are placed on the loading platforms 4 of the two front and rear vehicles A and B, respectively. Next, operate the controllers 5 of vehicles A and B to control the traveling device 1.
3a, 13b to drive the respective wheels 12a, 12b.
When vehicles A and B are run with a predetermined distance maintained by rotating either the vehicles A and B at the same time or by rotating only one of the vehicles, the long object 7 has both ends 7a and 7b of each vehicle A and B due to their own weight. It is stably supported on the freely rotating loading platform 4 of vehicle B and is transported following the travel of each vehicle A and B.

In the state shown in FIG. 3, all or any of the left and right wheels 12a, 12b of each vehicle A and B
Alternatively, if the left and right wheels 12a and 12b of B are rotated in the same direction at the same rotational speed, the two vehicles A and B will travel in a straight line at the same speed while maintaining a certain distance, and the long object 7 will be in front or behind. The left and right wheels 1
When the rotational speeds of 2a and 12b are made different, the long object 7 is conveyed diagonally forward or backward by two vehicles A and B that run while changing direction toward the side with a lower rotational speed.

At this time, the long object 7 is transported without shifting or falling because both ends 7a and 7b are placed in a crimped state on the loading platform 4 of each vehicle A and B due to their own weight. It is necessary that the distance between the center position of the loading platform 4 and the center position of the loading platform 4 of vehicle B always be constant, and the controller 5
It is preferable to include a control system within the vehicle so that the two vehicles A and B travel in synchrony.

Next, in the state shown in FIG.
When a or 12b is decelerated or stopped, each of the carts 1 and 2 turns to the state shown in FIG. 4. Here again each vehicle A
When the left and right wheels 12a and 12b of B are rotated at the same speed and in the same direction, the long object 7 on the loading platform 4 can be transported laterally while facing in the same direction as in FIG. That is, the running directions of vehicles A and B can be changed by 90 degrees without moving the elongated object 7. Further, when only one vehicle A is driven in the state shown in FIG. 4, the long object 7 turns around the other vehicle B. Therefore, the elongated object 7 can be turned within a narrow space having a radius equal to or less than the length.

[0015] According to this embodiment, the long object 7 can be transported to any desired destination via a desired route with extremely simple operations using only two vehicles A and B without requiring large-scale equipment. It is possible to transport. Moreover, the wheels 12a, 1
2b are driven separately, so by rotating these in opposite directions, the trolley 1 turns around between the axles of the wheels 12a and 12b, making it possible to make sharp turns or change the conveyance direction even when stopped. Extremely easy to operate. In particular, in this embodiment, the bogie 1 has a split structure consisting of the central bogie 1a and the end bogies 1b, 1c, which are connected to each other by hinges 18, 18, loosely connected connectors, and air springs 19. Since the central cart 1a having the loading platform 4 does not tilt even when the loading platform 4 is inclined or uneven, the long object 7 can be transported in a stable state at all times.

FIGS. 5 to 8 show an embodiment of the second invention, which is comprised of two front and rear vehicles A and B having the same configuration.

As shown in FIGS. 5 to 8, each vehicle A or B has two bogies 1 and 2 fitted so as to be vertically movable relative to each other.

The first bogie 1 has a rectangular plane, and a pair of left and right running devices 13a, 13b, which have wheels 12a, 12b made of solid tires for running on non-tracks, are placed at the center position of the lower surface in the longitudinal direction. They are installed at symmetrical positions on both sides of the center line. These wheels 12a, 12b
are attached to the lower surface via drive mechanisms 11a and 11b, each consisting of a speed reducer and a reversible electric motor, which are directly connected to the respective axles, and the rotational speeds of the wheels 12a and 12b are independently controlled. Therefore, a steering function is provided to change the running direction of the truck 1 by varying the rotational speeds of the left and right wheels 12a, 12b. In addition, there are wheels 12 at the four corners of the bottom surface.
Casters 14 located on the same plane as a and 12b are respectively provided, and a screw rod 3 to be described later is provided near the center.
Four threaded cylinders 15 extending in the vertical direction for screwing 2
are respectively arranged at positions separated from the center of the truck 1 by a predetermined distance.

On the other hand, the second truck 2 has a rectangular plate shape that is smaller than the hollow thick-walled truck 1 as a whole, and legs 22 of a predetermined length are vertically provided at both the front and rear ends of the left and right edges of the lower surface of the second truck 2. There is. Bearings 23 are provided at the lower ends of these legs 22, and a rail wheel 24 is pivotally attached to each bearing 23. Further, four screw rods 32 are rotatably installed vertically on this truck 2 with their upper ends inserted into the hollow part 25 in correspondence with the screw cylinders 15 of the first truck 1. The rods 32 are screwed into the threaded cylinder 15, and the legs 22 are attached to the trolley 1.
By passing through a vertical hole 17 formed in the hole 17, it is fitted into the first cart 1 so that its center positions match each other and it can be moved up and down. Further, in the hollow part 25 of the truck 2, there is a lifting mechanism 3 for moving the second truck 2 up and down with respect to the first truck 1 by rotating each threaded rod 32 in the same direction at the same speed at the same time. It is equipped. This lifting mechanism 3 is shown in Figure 3.
As shown in the figure, a worm gear 33 is fixed to the top end of a threaded rod 32, a pair of rotating shafts 35 extending in the front-rear direction and having a worm 34 that meshes with these worm gears 33 are fixed,
Reversible electric motor 36 for driving these rotating shafts 35
and a drive gear 37. Further, at the center of the upper surface of the second truck 2, a loading platform 4 is rotatably supported at the center via a radial thrust bearing 41.

In the drawings, reference numeral 5 designates the first truck 1 for controlling the rotational speed and direction of the drive mechanism 11a, 11b of the wheels 12a, 12b of each vehicle A or B and the rotational speed and rotational direction of the electric motor 36 of the lifting mechanism 3. The controller mounted on the front part of the trolley 1, numeral 6, is a battery mounted on the rear part of the trolley 1 for supplying driving power.

The usage method and operation/effect of this embodiment are almost the same as the embodiment of the first invention shown in FIGS. 3 and 4, but it is possible to run on both tracks and non-tracks. They differ in that they have unique actions and effects. In other words, if transport is carried out by traveling on non-tracks, each vehicle A
and B operate the respective elevating mechanisms 3 to raise the second truck 2 and relatively lower the first truck 1. As shown in FIG.
In addition, when it is desired to transport a long object 7 along the track, the elevating device 3 is operated to move the second cart 2 to its four corners as shown in FIG. The wheels 24 for the rails provided in the wheels 12
It is sufficient to lower the vehicle A and 12b to a lower position and fit it onto the rail 8. By pulling this with an appropriate towing vehicle, vehicles A and B can be moved in the same way as the bogies of a normal track running vehicle. It runs on a rail 8, and the long object 7 is conveyed along the rail.

As described above, according to this embodiment, the wheels 24 for running on rails and the wheels 12a, 12b for running on non-rails are provided on separate carts 1, 2, and one of them is moved to the lower position by the lifting device 3. By lowering the vehicle to a lower position, it is possible to run on both tracks and non-tracks, which is extremely convenient.Especially in the case of manufacturing and maintenance shops for railway vehicles that have many routes with tracks laid down, the rail wheels can be lowered to 24 and non-rail wheels 12a, 12b, it can be freely transported to any location.

Note that this embodiment uses wheels 12a for non-track running.
, 12b is arranged above, and the second cart 2 having wheels 24 for running on rails is arranged below. A loading platform 4 may be provided on the top surface. Further, in this embodiment, the rail wheels 24 are not equipped with a drive device and are configured to be driven by another towing vehicle, but of course they may be equipped with a drive mechanism and be self-propelled. . In addition, in this embodiment, the trolley 1 is of a non-divided type since it is mainly intended for traveling on a smooth road surface such as a factory estate, but a split-type trolley 1 like the one shown in FIGS. 1 and 2 is used. Needless to say, the structure can handle slopes and uneven road surfaces.

[0024]

According to the present invention, both ends of a long object are placed on the loading platforms of two front and rear vehicles arranged at a predetermined interval, and each vehicle is moved in a predetermined direction. By traveling at a high speed, the long objects are conveyed following the travel of each vehicle, with both ends being crimped and supported by their own weight on the freely rotating loading platform of each vehicle. Therefore, with only two vehicles, there is no need for large-scale equipment, and in addition, the long object can be transported along the desired route to the destination by simply placing both ends of the object on the loading platforms of the front and rear vehicles. In particular, it is possible to make sharp turns or change the direction of conveyance when stopped, and it can be conveyed even in narrow spaces, making it extremely easy to operate.

[0025] Furthermore, if each vehicle has a bogie with rail wheels and a bogie with non-rail wheels, and the wheels of either bogie are in contact with the ground, it can be used regardless of whether it is non-track or track. It is also possible to convey a long object by running both or alternately, which is extremely convenient.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional side view showing an embodiment of the first invention.

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is an explanatory diagram showing the usage state of the embodiment shown in FIG. 1;

FIG. 4 is an explanatory diagram showing the usage state of the embodiment shown in FIG. 1;

FIG. 5 is a longitudinal sectional side view showing an embodiment of the second invention.

FIG. 6 is a bottom view of FIG. 5;

7 is a sectional view taken along line XX in FIG. 5. FIG.

8 is a longitudinal side view showing a different state of the embodiment shown in FIG. 5; FIG.

[Explanation of symbols]

1 Trolley 2 Trolley 3 Lifting mechanism 4 Placement section 11a Drive mechanism 11b Drive mechanism 12a Wheel 12b Wheel 13a Traveling device 13b Traveling device 24 Wheels A Vehicle B Vehicle

Claims (2)

[Claims] [Claim 1] Two parts each supporting both ends of a long object.
Each of the vehicles has wheels driven by mutually independent drive mechanisms, and includes a traveling device disposed on both left and right sides of the bogie, and the elongated object disposed on the top surface of the bogie so as to be freely pivotable. A long object carrier comprising a loading platform for placing an end of the long object. [Claim 2] Two parts each supporting both ends of a long object.
Each vehicle consists of a first bogie on which traveling devices having non-rail wheels driven by mutually independent drive mechanisms are disposed on both left and right sides, and a first bogie on which track wheels are disposed. a second trolley disposed above or below; and a loading platform for placing the end of the elongated object, which is freely pivotable on the upper surface of the upper one of the above-mentioned trolleys. and an elevating mechanism for moving the two carts up and down relative to each other and grounding either the non-rail wheel or the rail wheel.