JPH0519365B2 - - Google Patents

Description

[Detailed description of the invention] 〔Technical field〕 The present invention relates to a horizontal current collector device.

[Background technology]

Trolley wires are installed inside factories and outdoors, and mobile equipment such as hoists are operated by receiving power from these trolley wires. A current collector as a mobile power supply system is provided between the trolley wire and the mobile device, and this current collector has the role of supplying power from the trolley wire to the mobile device while moving with the mobile device. .

This current collector is usually placed below the trolley wire, but there is also a sideways type as shown in FIG. This horizontal type current collector is
It is equipped with a bracket 1, and this bracket 1
is adapted to be attached by tightening to a square rod-shaped arm attaching portion 2 extending from the mobile device.
This bracket 1 has horizontally opposing projecting pieces 3, 3.
A rotating support shaft 4 is attached to these projecting pieces 3, 3.
is installed. One end of a current collecting arm 5 is attached to this rotating support shaft 4 . This current collecting arm 5 is supported so that it can swing in a horizontal component and a vertical component, and even in those combined directions,
In other words, it can swing freely even in three-dimensional space. A holding piece 6 that swings with respect to the arm 5 is attached to the tip of the arm 5,
A collector is attached to the same piece. The trolley wire 7 is of an insulated type in which a power supply conductor 9 is fitted into a groove-shaped insulating sheath 8, and is supported with the groove opening of the insulating sheath 8 facing in the horizontal direction. The current collector is configured to move together with the mobile device while bringing the current collector into contact with the power supply conductor 9 exposed from the insulating coating 8. This current collector is connected to the power supply conductor 9
A tension spring 10 is stretched between the projecting piece 3 of the bracket and the tip of the current collecting arm 5 as a means for pressing the current collecting arm 5. The current flowing through the trolley wire is
It is supplied from the collector to the mobile device through the lead wire 11. As shown in the figure, this horizontal type has a balancer 12 that balances the current collecting arm 5.
A support arm 14 is provided with a support arm 14 that is inserted into the rotation support shaft 4 and fixed with a stop pin 13.
It is now being established in

By the way, as shown in the figure, the conventional support arm 14 is bent into an L-shape, and the shaft portion to which the balancer 12 is attached extends in the opposite direction, which is 180 degrees out of phase with the direction in which the current collecting arm 5 extends. It was structured like this. However, as shown in the figure, the horizontal current collectors can be installed as a single type on the trolley wire 7, or as a tandem type when two sets are installed in parallel to the trolley wire 7 in its extending direction. There are cases. In the former case, the balancer 12 can swing in free space even if the supporting arm 14 extends horizontally, but in the latter case, the balancer 12 is symmetrical with respect to the arm attachment part 2. Since the current collector is disposed in the horizontal direction, if the support arm 14 is simply extended horizontally, the balancers 12 will mesh with each other, and the current collector with the balancer can be used horizontally as a tandem type. Nakatsuta.

[Purpose of the invention]

In view of the above circumstances, it is an object of the present invention to provide a horizontal current collector that can be freely used horizontally as a tandem type device without the balancers interfering with each other.

[Disclosure of the invention]

In order to achieve the above object, the present invention is arranged on the side of a trolley wire and moves along the extension direction of the trolley wire with the mobile device while supplying power from the trolley wire to the mobile device. a bracket adapted to be attached to the current collector arm mounting portion of the trolley; and a current collector provided at the tip thereof, and supported by the bracket so as to be able to swing freely at least in the vertical direction so as to keep the current collector in constant contact with the trolley wire. a current collecting arm, a biasing means for urging the current collecting arm in the direction of the trolley wire to press the current collector against the power supply conductor of the trolley wire; A current collecting mechanism includes a supporting arm that always swings up and down in the opposite direction, and a balancer that is provided on the vertically moving part of this supporting arm and balances the current collecting arm. In the horizontal current collector which is arranged in parallel to form a tandem type,
The support arm of each balancer of the pair of current collection mechanisms extends from the outside of the base shaft part that supports each vertical rotation of each current collection arm in the pair in the direction of the other base shaft part, and supports one of the current collection mechanisms. The arm is bent upward to support the balancer at its tip, and the other support arm is bent downward to support the balancer at its tip, so that the vertical movement ranges of both balancers do not interfere with each other. The gist of this invention is a current collector for horizontal use.

Hereinafter, the present invention will be explained in detail with reference to the drawings showing examples thereof.

1 to 3 show an embodiment of a horizontal current collector according to the present invention. As shown in these figures, this horizontal current collector is provided with a pair of brackets 20, 20 facing each other in the direction in which the insulated trolley wire 21 extends. These brackets 20, 20 connect a mounting hole 24 formed between them to an arm mounting portion 23 extending from the mobile device.
It is adapted to be attached to the arm attachment part 23 with tightening pins 22, 22 so as to fit around the outer periphery of the arm. Each bracket 20 has one
A pair of projecting pieces 25, 25 are integrally provided, and a horizontal cylindrical rotation support shaft 26 is provided between these projecting pieces 25, 25 so as to rotate. A current collecting arm 27 is attached to each rotating support shaft 26 so as to extend horizontally in opposite directions. Each current collecting arm 27 can swing horizontally with respect to the rotation support shaft 26 around the mounting shaft 28, and can also swing vertically, so that it can also swing in the combined direction. In other words, it is now possible to move freely in space. Each current collecting arm 27
A mounting frame 29 is provided at the tip of the mounting frame 29, and a pivot shaft 30 facing in the horizontal direction is mounted to this mounting frame 29. A holding piece 32 is swingably attached to the tip of each pivot shaft 30 via a swing pin 31, and parallel current collectors 33 are attached to this holding piece 32. These current collectors 33..., as shown in FIG.
5... through the horizontal openings 36, and in order to maintain this contact at all times, a coil type tension spring (biasing means) is installed between the protruding piece 25 and the tip of the current collecting arm ) 37 are crossed. One end of each lead wire 38 is connected to the current collector 33, and the other end is connected to a mobile device (not shown).

By the way, the support arm is the first support arm 4 located on the upper side.
0 and a second support arm 41 located on the lower side, both support arms 40 and 41 have base portions 42 and 4.
5, bent shaft parts 43, 46, and balancer mounting shaft part 4
It consists of three shaft parts, 4 and 46. The base shaft portion 42 of the first support arm 40 is inserted into the rotation support shaft 26 and fixed by a stop pin 48, and extends horizontally as it is. bent shaft portion 43;
It is bent upward from the base shaft portion 42, and a balancer mounting shaft portion 44 extends from its upper end in a direction parallel to the current collecting arm 27. A first balancer 4 that can be repositioned on this balancer mounting shaft portion 44
9 is installed. The base shaft portion 45 of the second support arm 41 is also inserted into the rotation support shaft 26 and the stop pin 48
However, the portion extending from the support shaft 26 is very small and becomes a bent portion, that is, a bent shaft portion 46. This bent shaft portion 46 is a portion bent downward in the opposite direction to the bent shaft portion 43 of the first support arm 40, and a balancer attachment shaft portion 47 extends from its lower end.
This balancer attachment shaft portion 47 is also parallel to the current collecting arm 27, but the direction is opposite to that of the balancer attachment shaft portion 47 of the first support arm 40. A second balancer 50 is also attached to this second support arm 41. Both of these balancers 49 and 50
As seen in the figure and the third figure, they are spaced apart vertically and also spaced apart in the extending direction of the trolley wire 21.

As mentioned above, the support arm is bent so that both balancers are always separated when the tandem type is used, so even when the tandem type is used, the balancers do not interfere with each other. Now that it's gone, construction can begin.

In addition, if the support arms are of a common type, it is possible to reduce the cost and also to simplify the installation. The attachment point of the support arm may be eccentric with respect to the vertical rotation center of the current collecting arm. The supporting arm may be integrally formed with the current collecting arm. The balancer may be integrally formed with the support arm. The biasing means may also be constructed by forming the current collecting arm with a leaf spring.

〔Effect of the invention〕

As described above, the horizontal current collector according to the present invention is arranged on the side of the trolley wire and moves along the extending direction of the trolley wire together with the moving device while supplying power from the trolley wire to the moving device. The bracket is designed to be attached to the current collector arm attachment part of a moving device, and has a current collector at its tip and swings at least vertically so that the current collector is always in contact with the trolley wire. a current collecting arm freely supported by the bracket; urging means for urging the current collecting arm in the direction of the trolley wire to press the current collector against the power supply conductor of the trolley wire; A power collection system consisting of a support arm that always swings up and down in the opposite direction to the up and down swing of the power arm, and a balancer that is installed on the up and down part of this support arm and balances the current collection arm. In a horizontal current collector in which the current collectors are arranged in tandem in parallel in the moving direction, the support arm of each balancer of the pair of current collectors is connected to the support arm of each balancer of the pair of current collector arms. The support arm extends from the outside of each base shaft that supports vertical rotation in the direction of the other base shaft and supports the balancer, and the other support arm is bent downward and supports the balancer with its tip, so that both balancers can be Since the vertical movement ranges of the two do not interfere with each other, it is now possible to install a horizontal tandem type current collector, which was impossible, with a balancer attached.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing one embodiment of the horizontal current collector according to the present invention, Fig. 2 is a front view thereof, Fig. 3 is a perspective view showing a support arm with a balancer, and Fig. 4 is a conventional one. FIG. 2 is a perspective view showing the horizontal current collector as a single type. 20... Bracket, 21... Trolley wire, 2
3... Current collecting arm mounting part, 27... Current collecting arm,
33... Current collector, 35... Power supply conductor, 37... Tension spring (biasing means), 40, 41... Support arm, 4
9,50...Balancer.

Claims (1)

[Claims] 1 It is arranged on the side of the trolley wire 21 and is configured to feed power from the trolley wire 21 to the mobile device while moving along the extending direction of the trolley wire 21 along with the mobile device, and is connected to the current collecting arm attachment portion 23 of the mobile device.
Bracket 20 adapted to be attached to
The bracket 2 is provided with a current collector 33 at its tip, and is swingable at least in the vertical direction so that the current collector 33 is always in contact with the trolley wire 21.
0 and a biasing means 37 for biasing the current collector arm 27 in the direction of the trolley wire 21 so as to press the current collector 33 against the power supply conductor 35 of the trolley wire 21. and support arms 40, 41 which are adapted to always swing up and down in the opposite direction to the up and down swing of the current collecting arm 27;
A current collecting mechanism consisting of balancers 49 and 50 provided on the upper and lower parts of the supporting arms 40 and 41 and balancing the current collecting arm 27 is arranged in parallel in the moving direction to form a tandem type. In the horizontal current collector, the support arms 40 and 41 of the respective balancers 49 and 50 of the pair of current collection mechanisms are connected from the outside of the base shaft portions 42 and 45 that support each vertical rotation of the respective current collection arms 27 to the other side. The base part 4 of
5, 42, one support arm 40
is bent upward to support the balancer 49 at its tip, and the other support arm 41 is bent downward to support the balancer 50 at its tip, so that the vertical movement ranges of both balancers 49 and 50 are mutually controlled. A horizontal current collector characterized by being designed to prevent interference.