JP2761713B2 - Cable trolley loading wheel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel wheel used when laying a cable, and more particularly to a wheel wheel for cable laying which prevents the cable from hanging down even if the pulling of the cable is stopped. About.

[0002]

2. Description of the Related Art A cable trolley of this type is used when laying a cable, and includes a frame supported by a fixed object such as a telephone pole or a temporary suspension line, and a frame supported by the frame. Basically, it comprises a rotating wheel roller which is rotatably fixed and mounts and sends out a cable. FIG. 8 is a side view showing the above-described conventional cable trolley wheel, and FIG.
FIG. 2 is a front view showing the cable trolley wheel.

[0003] In these figures, a cable trolley wheel 111 is basically fixed to a frame 112 supported by a fixed object such as a telephone pole or a temporary suspension line, and rotatably fixed to the frame 112. And a rotating wheel 113. This frame 1
Numeral 12 is composed of two side plates 114a and 114b, and is adapted to be joined above the two side plates 114a and 114b. Further, the frame body 112 can fix the suspension line 115 by sandwiching the suspension line 115 inside the side plates 114a and 114b and tightening the mounting screw 116.

The wheel roller 113 is rotatable about a rotating shaft 117, and the rotating shaft 117 is fixed to side plates 114 a and 114 b of the frame 112 via a bearing 118. Reference numeral 119 denotes a hook portion of the cable trolley wheel 111, which is used when the hanging wire 115 is not used. The cable 110 passes through the space above the wheel roller 113. FIG. 10 is an explanatory diagram showing a state in which the cable is hanging when the cable is pulled by a winch or the like using a conventional wheel and negotiated.

In FIG. 10, reference numerals 121, 122,
, 125 are electric poles arranged at a predetermined interval, and a suspension hardware 131 and a carriage hanging metal fitting 132 are fixed to each of the electric poles 121, 122,. Then, the hanging hardware 131 and the car hanging metal fitting 1
32 (not shown), the wheels 111a, 111
b, 111c hook portions 119a, 119b, 119c
Are fixed by hanging them.

The electric pole 121 has a fourth wheel 151a.
However, similarly, on the electric pole 125, a fourth wheel 151b is arranged. Then, the cable 110 is fed out from the bobbin 161 and passed through the unwound material 162 and the twist preventing device 163. Then, the fourth wheel 151a, the second wheel 111a, 111
The cable 110 is pulled by a winch 166 fixed to the truck 165 through the b, 111c and the fourth wheel 141b, and temporarily laid where the cable 110 is laid. The bobbin 16
No. 4 wheel 151a on the end side of 1 and winch 166,
151b and the like are arranged to adjust the strength of the traction of the cable 110.

[0007]

By the way, in such a conventional cable tying wheel, a cable 110 is passed through a wheel roller 113 of a wheel 111 and a cable 11 is provided.
In the case of pulling 0, bobbin 1
Since no mechanism for controlling the feeding is arranged in 61, when the pulling of the cable 110 is stopped or even during the pulling, the cable 110 is loosened by the weight of the cable 110, and the cable 110 is loosened as shown in FIG. As shown, the cable 110 may hang between utility poles. In such a state, there is a problem that the hanging cable 110 interferes with other traffic or sometimes even a disaster occurs in a road crossing section or the like.

The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a load-carrying wheel for cable bridging which can absorb the slack of a cable.

In order to achieve the above-mentioned object, according to the present invention, there is provided a load-carrying wheel for cable laying, which comprises a guide rail supported by a fixed object in a wheel for laying a cable. And a frame that can move up and down on the guide rail, and a wheel roller that is rotatably fixed in the frame and contacts the cable.

Further, the frame body is provided with a first guide roller at a position below the wheel roller so as to guide the cable so as not to come off. Further, the frame body is provided with a second guide roller at a fixed object side of a side plate constituting the frame body and at a lower end position of the wheel roller,
The cable is guided so as not to contact the fixed object.

The frame is provided with a weight so as to apply a predetermined load to the cable. Further, a mounting band is provided on the guide rail so that the device can be fixed to the fixed object by the band. Further, the first guide roller is detachable from the frame.

[0011]

According to the present invention, the guide rail is supported on a fixed object,
A wheel roller is rotatably provided on a frame body that can move up and down on the guide rail, and a cable including the wheel roller is brought into contact with the cable by the force that the frame body including the wheel roller falls by gravity. A load is being applied to the cable. Thus, the cable does not slack when the cable is laid. Further, since the first guide roller is provided on the frame at a position below the wheel roller, the cable does not come off from the wheel roller after the cable comes into contact with the wheel roller.

Further, since the frame body is provided with the second guide roller on the fixed object side of the side plate at the lower end position of the wheel roller, the cable does not contact the fixed object.
Further, the frame is provided with a weight, and the weight of the weight can be changed according to the cable, so that an appropriate tension can be applied to the cable. In addition, the mounting wheel provided on the guide rail can easily fix the cable tying load wheel to a fixed object. further,
The first guide roller can be easily attached and detached by making the cable detachable from the frame.

[0013]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of a load-carrying wheel for cable bridging of the present invention. FIG. 2 is a front view of the embodiment. FIG. 3 is a side view of the embodiment. In these figures, as a basic structure, a cable tying load wheel 1 has a guide rail 3 supported by a fixed object (for example, a telephone pole) 2 and can move up and down on the guide rail 3. The frame 4 includes a frame 4 and a wheel roller 6 that is rotatably fixed in the frame 4 and contacts the cable 5 to apply a load to the cable 5. The structure of each part of such a load-carrying wheel for cable laying 1 will be described in detail below.

The guide rail 3 is constructed as follows based on a long base 7 made of a material such as metal. On the upper and lower sides of the base 7, for example, mounting bands 8 a and 8 b for fixing to the utility pole 2 are provided. A long guide groove 9 is formed in the base 7. The guide shaft 9 has an engaging shaft 41 of the frame 4.
Are slidably engaged with each other, and one end of the engagement shaft 41 is fixed to a retaining body 42 inside the base 7.
Thereby, the frame 4 can be slidably moved along the guide groove 9 of the guide rail 3.

The frame 4 has side plates 43a and 43b and an upper plate 44, and is formed in a substantially U-shape when viewed from the side. The engagement shaft 41 passes through the side plates 43a and 43b. Is provided. One end of the engagement shaft 41 is fixed to the retaining body 42 inside the base 7 as described above. In addition, on the engagement shaft 41, a wheel roller 6 is rotatably disposed. An engagement piece 45 is fixed to the other end of the engagement shaft 41.

Between the side plates 43a and 43b of the frame 4 and below the wheel roller 6, two guide rollers 46a,
The guide rollers 46a and 46b are provided at a predetermined distance, and the action of the guide rollers 46a and 46b and the wheel roller 6 prevents the cable 5 from coming off. These guide rollers 46a and 46b are connected to rotating shafts 47a and 47b.
b, it is rotatably fixed to the side plates 43a, 43b, and these rotating shafts 47a, 47b are detachable from the side of the side plate 43b.
b can be removed.

Further, the frame 4 has a side plate 43a side (a power pole 2).
Side) and two guide rollers 48a and 48b are provided at a lower end position of the wheel roller 6 at a predetermined distance, and the cable 5 is connected to the telephone pole 2 by these guide rollers 48a and 48b. It is configured not to touch. Further, a weight 49 having a weight corresponding to the tension applied to the cable 5 is fixed to the upper plate 44 of the frame 4. This weight 4
The weight of 9 can be selected according to the type and thickness of the cable 5 and other construction conditions.

The method of using the load-carrying wheel 1 for cable arranging constructed as described above will be described with reference to FIGS. 1 to 3 and FIGS. FIG. 4 is an overall explanatory diagram in the case where a cable is laid using the cable tying load wheel of the present invention. FIG. 5 is a diagram for explaining a case where the loading wheel is fixed to a utility pole and a cable is attached to the loading wheel. FIG. 6 is a diagram illustrating a state in which the cable is pulled while the cable is being laid. FIG.
FIG. 4 is a diagram showing a state in which the cable is loosened while the cable is being laid.

Now, a case where the cable 5 is laid over the utility poles 21, 22,..., 26 will be described. First, a hanging hardware 31 or a wheel hanging metal fitting 32 and the like are attached to predetermined telephone poles 22, 24, and 25, and FIG.
As shown in (1), the electric pole 2 is formed by the mounting bands 8a and 8b.
The load wheel 1 is fixed to 3. In addition, the 4th wheel 51a, 52b is fixed to the electric pole 21 and the electric pole 26, respectively, and other necessary preparations are performed. As one of the preparations, for example, as shown in FIG.
7b, and the guide rollers 46a and 46b are removed.

Next, the second wheel 11 is attached to the suspension hardware 31 or the carriage suspension fitting 32 attached to the utility poles 23, 24, 25.
a. 11b. 11c is attached. The second gold car 11
a, 11b, and 11c have the same structure as the conventional one shown in FIGS.

In this state, the cable 5 is passed through the fourth wheel & pinion 51a and the second wheel & pinion 11a as shown in FIG. 4, and then the cable 5 is loaded as shown in FIG. 5 (3). As shown in FIG. 4, the cable 5 is passed through the gold wheel 1 and the second gold wheels 11b and 11c and the fourth gold wheel 51b.
After passing through, a winch 56 fixed to the track 55 is connected. In the state where the cable 5 has passed through the loading wheel 1 in this manner, as shown in FIG.
The rotating shafts 47a and 47b are inserted from the side plate 43b, and the guide rollers 46a and 46b are arranged in a predetermined manner to rotatably fix the guide rollers 46a and 46b. Thus, the preparation for pulling the cable 5 is completed.

When the pulling preparation is completed, the winch 66 is operated to pull the cable 5, and the cable 5 is drawn out from the bobbin 61, and the cable 5 shown in FIG.
As shown in FIG. 5, after passing through the twisted-back metal thing 62 and the twist prevention device 63, the fourth wheel 51a, the second wheel 11a, the loading wheel 1, the second wheels 11b and 11c, and the fourth wheel 151b. And is pulled by the winch 66 fixed to the track 65 via the When the cable 5 is pulled in this manner, the frame 4 of the loading wheel & pinion 1 moves upward as shown in FIG. 6 and moves to the uppermost position of the guide groove 9 of the guide rail 3. In such a state, the loading wheel 1
The same operation as that of the second wheel 11 is simply performed.

When the pulling of the cable 5 by the winch 66 is stopped or the pulling of the cable 5 is stopped in a state where the predetermined pulling is completed, the weight 4 having a predetermined weight is attached to the frame 4 of the loading wheel & pinion 1. Since the frame 49 is disposed, the frame 4 falls downward due to gravity, as shown in FIG. As a result, as shown in FIG. 4, the cable 5 is maintained in a stretched state, and the cable 5 does not loosen. For this reason, as shown in FIG. 4, for example, even if there is a road 70 between
Is held between telephone poles 24 and 25,
The cable 5 does not hang down on the road or the like.

As described above, according to the present embodiment, the cable 5 is always maintained in a state where the load is applied from the frame 4 including the wheel roller 6 of the loading wheel 1, and the cable 5 is always stretched. Because the cable 5 is not loosened,
The cable 5 does not hang down on a road or the like to cause traffic obstruction.

In the above embodiment, the rotation shafts 47a, 4a
7b, the guide rollers 46a, 46b
However, the present invention is not limited to this, but a part of the side plate 43b to which the guide rollers 46a and 46b are fixed can be opened and closed, and the rotation shafts 47a and 47b are attached to the side plate 43b of the openable and closable portion. Fixed and rotating shaft 4
The guide rollers 46a and 46b may be rotatably fixed to 7a and 47b. In this example, it is easy to attach the cable 5 to the wheel roller 6 of the frame 4.

[0026]

As described above, according to the first aspect of the present invention, the guide rail is supported by the fixed object, and the wheel of the wheel is rotatable on the frame which can move up and down on the guide rail. When the cable is brought into contact with the wheel by the wheel and the load is applied to the cable by the force of the frame including the wheel and falling by gravity, it is necessary to prevent the cable from being pulled when crossing the cable. Even in the case of stopping, the cable does not loosen, and there is an effect that traffic obstruction can be prevented even in a road crossing section or the like.

According to the second aspect of the present invention, since the first guide roller is provided at a lower position of the wheel roller, after the cable comes into contact with the wheel roller, the wheel roller is moved. Since the cable does not come off from the cable, there is an effect that the working efficiency is improved. According to the third aspect, on the fixed object side of the side plate at the lower end position of the wheel roller,
Since the second guide roller is provided, the cable does not come into contact with the fixed object, so that the cable does not hurt and does not hinder the pulling, so that the working efficiency is improved.

According to the fourth aspect, the frame is provided with a weight, and the weight of the weight can be changed according to the cable, so that an appropriate tension is applied to the cable. In addition, there is an effect that the working efficiency can be improved without applying extra tension to the cable.
According to the fifth aspect of the present invention, the mounting band provided on the guide rail can easily fix the cable tying load wheel to a fixed object, and can be easily removed, thereby improving work efficiency. Has the effect of doing

According to the sixth aspect of the present invention, since the first guide roller is detachable from the frame, the cable can be easily attached to and detached from the loading wheel, thereby improving work efficiency. Is significantly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a cable trolley load wagon according to the present invention.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a side view of the embodiment.

FIG. 4 is a diagram for explaining an example of laying a cable using the embodiment.

FIG. 5 is a diagram for explaining a usage example of the embodiment.

FIG. 6 is a diagram showing a use state of the embodiment.

FIG. 7 is a diagram showing a use state of the embodiment.

FIG. 8 is a front view showing an example of a conventional cable trolley wheel.

FIG. 9 is a side view of the conventional gold wheel.

FIG. 10 is an explanatory diagram of a case where a cable is laid using the conventional wheel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Cable trolley wheel 2, 21, 22, ..., 25 ... Telegraph pole 3 ... Guide rail 4 ... Frame body 5 ... Cable 6 ... Wheel roller 7 ... Base 8a, 8b Mounting band 9 Guide groove 11 Second wheel 46a, 46b First guide roller 48a, 48b Second guide roller 49 Weight 51 ・ ・ ・ No. 4 wheel 65 ・ ・ ・ Truck 66 ・ ・ ・ Winch

Claims (6)

(57) [Claims] 1. A wheel for use in arranging a cable, a guide rail supported by a fixed object, a frame movable up and down on the guide rail, and rotatable into the frame. And a wheel wheel fixed to the wheel and in contact with the cable, comprising: 2. The method according to claim 1, wherein the frame includes:
A first wheel for cable laying, wherein a first guide roller for guiding the cable so as not to be detached is provided at a lower portion of the wheel of the wheel and wheel. 3. The method according to claim 1, wherein:
A cable, wherein a second guide roller for guiding the cable so as not to contact the fixed object is provided at a fixed object side of the side plate forming the frame and at a lower end position of the wheel roller. A loading wheel truck for negotiation. 4. The method according to claim 1, wherein:
A weight wheel for cable bridging, wherein a weight for applying a predetermined load to the cable is provided. 5. The load-carrying wheel for cable bridging according to claim 1, wherein the guide rail is provided with a mounting band for fixing the device to the fixed object. 6. The load wheel according to claim 2, wherein the first guide roller is detachable from the frame.