JPH0435333Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) This invention relates to a trolley for transporting a cable drum around which a cable is wound, and for extending the cable from the drum.

(Conventional technology) During trunk cable installation work, when transporting large and heavy drums (approximately 1 ton) from the material storage area to the construction site, plywood boards are laid down to protect the floor from damage, and when changing direction Five workers sequentially roll a roller or the like over the cage.

In addition, for cable extension, there are methods in which both ends of the shaft passed through the center hole of the drum are supported on jacks, and these jacks are used to lift the shaft and raise the drum above the ground surface for cable extension. There is also a method in which the shaft is passed through the center hole of the drum, and approximately triangular frames are attached to each end of the shaft, and these frames are connected to each other and the frame is rotated. There is a method of lifting the drum off the ground surface to extend the wire, and a method of placing the flanges on both sides of the drum on two rollers arranged at a distance, and then rotating the drum on these two rollers to extend the wire. There is.

(Problems to be Solved by the Invention) However, the transportation method described above requires a large number of workers and requires laying plywood or the like on the passageway, which is extremely time-consuming. Moreover, the wire cannot be stretched unless the wire stretching device is attached to the drum after transportation, which is a double effort.

(Means for Solving the Problems) Therefore, the present invention provides an extremely convenient transportation/wire extension trolley that can easily transport the cable drum and can also immediately perform the cable extension.

The specific structure of this invention consists of a main truck and an auxiliary truck, and the main truck is rotatably provided with rollers on its upper surface that carry the flanges on both sides of the cable drum.
A guide protrusion is provided approximately horizontally protruding from one side of the main carriage at right angles to this roller, and the auxiliary carriage is removably engaged with this guide protrusion, and is slidable along this guide protrusion. The cable drum has an engaging groove, and rollers are provided on the upper surface of the cable drum on which the flanges on both sides of the cable drum are placed in a direction substantially perpendicular to the engaging groove, and wheels that support the main truck and the auxiliary truck are provided on the lower surfaces of the main truck and the auxiliary truck, respectively. , and is provided with a tightening means that allows the main truck and the auxiliary truck to approach each other freely.

(Function) To transport a cable drum using this invention, a main truck and an auxiliary truck are placed on both sides of the cable drum placed on the ground or floor, and the main truck and auxiliary truck are moved close to each other using a tightening means. let At this time, the guide projection of the main truck is engaged with the engagement groove of the auxiliary truck, and the auxiliary truck slides along this guide projection. As the main truck and the auxiliary truck approach each other, the flanges on both sides of the cable drum come into contact with the rollers on the upper surface of the cable drum, pinching the drum flanges from both sides, and further, as the main truck and the auxiliary truck approach each other using the tightening means,
The collar of the cable drum rests on each roller, is supported by each roller, and is lifted off the ground surface or floor. In this state, the collar of the cable drum rests on at least two rollers on both sides of the top surface of the cart of this invention, and the cable drum can be easily moved by the wheels provided on the bottom surface of the cart. Furthermore, the cable drum mounted on this truck is rotatable because the flanges on both sides are placed on rotatable rollers, and the cable can be pulled out from the drum and extended.

(Example) An embodiment of this invention will be described below with reference to the drawings.

1 is a main bogie, 2 and 2 are two rectangular tube-shaped guide protrusions projecting from the main bogie 1 at an interval, and 3 is a connection between one end of the guide protrusions 2 and 2. This connecting pipe 3 is fixed to one guide protrusion 2, and a pipe piece 3b fixed to the other guide protrusion 2 is slidably inserted into the pipe piece 3a, and these are connected by screws 4. It is configured in a fixed manner. 5, 5 are plates provided at the corners of the joints between these guide protrusions 2, 2 and the connecting pipe 3; 6;
Reference numeral 6 denotes bearings placed and fixed on these plates 5, 5, and 7, 7 are rollers that are removably supported on these bearings 6, 6, respectively. Each axis of each roller 7 is connected to each of the guides mentioned above. It is perpendicular to the axial direction of the projecting body 2, and the respective axes of the two rollers 7, 7 are located on a straight line. 8, 8... are the guide protrusions 2, 2
Wheels 10, 10 are supported outwardly from one end corner of each guide protrusion 2 close to each roller 7. The guide rollers 11 and 11 are protrudingly provided, the jacks 11 and 11 are provided at one end of each guide projecting body 2 close to each guide roller 10, the numeral 12 is an auxiliary cart, and the numerals 13 and 13 are jacks on both sides of the auxiliary cart 12. The board 14 is a connecting pipe that connects these boards 13, 13, and this connecting pipe 14 has a pipe piece 14a that has one end fixed to one board 13, a pipe piece 14b that has one end fixed to the other board 13, and a pipe piece 14b that has one end fixed to the other board 13. The ends are slidably inserted and these are fixed with screws 15. Reference numerals 16 and 16 denote downward engaging grooves provided on the lower surface of each of the substrates 13, into which the guide protrusions 2 of the main truck 1 can be freely inserted and slidably engaged. 17, 17 are bearings provided on each substrate 13; 18, 18 are rollers that are removably supported on these bearings 17, 17, respectively;
When each guide protrusion 2 is fitted into the rollers 7, 7
and the respective axes of each roller 18 are located in a straight line. Reference numeral 19 denotes a projecting body protruding from the outside of the one pipe piece 14a;
0 and 20 are wheels supported by respective bearings 21 provided downward on the lower surface of the projection 19 and the lower surface of each board 13, respectively; 22 and 22 are projections provided on the outside of each board 13; A locking piece 24 is provided on each of the protruding pieces 22, and a hook 24 at one end is provided on one of the locking pieces 23.
The wire 26 has one end hooked to the other locking piece 23 and the other end connected to the wire tensioning machine 25.
a and the other end to the above two guide rollers 1.
The wire is connected to the wire tensioner 25 through wires 0 and 10, and by operating the wire tensioner 25, the wire 24 is tightened and its length can be adjusted.

In this embodiment, to place the cable drum 30 on the trolley of this invention, place the cable drum 30 on the ground or floor as shown in FIGS. 4 and 5.
The main truck 1 and the auxiliary truck 12 are connected to the cable drum 30.
3 on both sides of the cable drum 30.
Place the four rollers 7, 7, 18, 18 beside 0a. At this time, the lengths of the connecting pipes 3 and 14 are adjusted by loosening the screws 4 and 15 of the connecting pipes 3 and 14, respectively. And the wire tensioning machine 25
When the wire 24 is moved, the wire 24 becomes shorter, and the main truck 1 and the auxiliary truck 12 approach each other. 16 respectively. The auxiliary trolley 12 therefore approaches along the guide projections 2, 2, and each roller 7 and 18 approaches the cable drum 30.
The main bogie 1
When the auxiliary trolley 12 approaches, each roller 7 and 1
The collars 30a on both sides of the cable drum 30 are placed on the cable drum 8, and the collars 30a of the cable drum 30 are raised from the ground or floor surface, as shown in FIG.

When the trolley itself is pushed in this state, the wheels 8 and 20 on the lower surface easily move the trolley, allowing the cable drum 30 to be transported. In addition, when the cable (not shown) wound around the cable drum 30 is pulled out during wire extension, the cable drum 30 rotates due to this force while rotating the rollers 7 and 18.
The cable can be easily fed out.

To lower the cable drum 30 from this truck, turn the jack 11 to fix the main truck 1 against the ground or floor surface, and loosen the wires 24 and 26 using the wire tensioner 25. The weight of the cable drum 30 causes the auxiliary truck 12 to move away from the main truck 1, and the cable drum 30 descends from the rollers 7 and 18 to the ground or floor.

Further, in this embodiment, the connecting pipes 3 and 14 are two pipe pieces 3a and 3b and 14a and 14, respectively.
The length can be freely adjusted by loosening the screws 4 and 15. For small diameter drums, connecting pipes 3 and 14 are used as shown in Fig. 6.
and rollers 7, 7 and 18, 18 on both sides.
The interval can be shortened.

Further, in the above embodiment, one wire tensioning machine 25 is used for one main bogie.
Although the auxiliary cart 12 and the auxiliary cart 12 are placed close to each other, two may be used or other tightening means may be used.

(Effect of the invention) This invention has the above-mentioned configuration, and in order to float the drum by bringing the main cart and auxiliary cart close to each other from both sides of the cable drum and place the drum on the cart, the worker must move the main cart and the auxiliary cart. The cable drum can be placed on the truck very easily simply by operating the tightening means that brings the cable drum closer to the truck. In addition, to lower this cable drum from the trolley, fix one of the main trolleys and loosen the tightening means.
The weight of the drum causes the auxiliary truck to move and move away from the main truck, and the drum descends to the ground or floor.

As described above, the trolley of this invention allows the cable drum to be loaded and unloaded extremely easily, and only one or two workers are required.

In addition, since the cable drum is placed on a trolley, transportation does not require much force due to the wheels of the trolley.
Easy to transport and increases work efficiency.

Moreover, in the case of wire extension, if the cable drum is placed on the truck and pulled out from the drum, the drum rotates on the rollers, and the cable can be easily fed out and extended.

Furthermore, the trolley of this invention can be separated into a main trolley and an auxiliary trolley, so the trolley itself does not take up much space when stored or transported.

As described above, the trolley of this invention is convenient for transporting cable drums and for wire extension work, is easy, has good workability, does not require any skill, and can be carried out by a small number of workers.

[Brief explanation of the drawing]

The figures show an embodiment of this invention; Fig. 1 is a plan view of the cart of this invention, Fig. 2 is a side view of the same, Fig. 3 is a front view of the same, and Fig. 4 shows how the cart of this invention is used. 5 is a front view of the same, and FIG. 6 is a plan view showing a state in which the width of the cart of this invention is reduced. In the figure, 1 is the main truck, 2 is the guide projection, 3 is the connecting pipe, 7 is the roller, 8 is the wheel, 10 is the guide roller, 12 is the auxiliary truck, 13 is the base plate, 14 is the connecting pipe, and 16 is the engagement. 18 is a roller, 20 is a wheel, 24 is a wire, 25 is a wire tensioner, 26 is a wire, and 30 is a cable drum.

Claims (1)

[Scope of utility model registration request] Consisting of a main truck and an auxiliary truck, the main truck has rotatably mounted rollers on its upper surface to carry the flanges on both sides of the cable drum, and a guide protrusion projects approximately horizontally from one side of the main truck at right angles to the rollers. and the auxiliary cart has an engagement groove that detachably engages with the guide protrusion and is slidable along the guide protrusion;
Rollers are provided on the upper surface to place the flanges on both sides of the cable drum in a direction substantially perpendicular to the engagement groove, and wheels supporting the main truck and the auxiliary truck are provided on the lower surfaces of the main truck and the auxiliary truck, respectively. A trolley for carrying and extending a cable drum, characterized in that it is provided with a tightening means that allows relatively free access to the cable drum.