JP4593576B2 - Trolley wire collector - Google Patents

Description

The present invention relates to current collection of an insulated trolley wire for supplying electric power to a crane, a carriage, or the like or transmitting a signal.

  As shown in FIGS. 6 (a) and 6 (b), the insulated trolley wire 100 receives power from the conductor 101 of the insulated trolley wire by pressing the shoe 102 against the conductor 101 of the insulated trolley line to contact the shoe 102. Power is supplied to a moving body such as a crane or a carriage, or a command signal is transmitted.

  As described above, it is desirable that the contact surface between the conductor 101 and the shoe 102 is always in a contact state. For this purpose, the current collector is insulated like a current collector of an insulating trolley represented by Patent Document 1. A mechanism for always pressing the conductor of the trolley wire is provided.

  As shown in Patent Document 1 (FIG. 1), a rotating shaft 7 provided on a support member 8 supports a current collecting holder 15 to which a current collecting 6 is attached, and is rotatably attached to a shaft portion 13. A support member 8 is connected so as to rotate using a base member 12 and a parallel link type current collecting arm 9, and the current collecting 6 is freely displaced according to the shape of the insulated trolley wire. The contact pressure is adjusted by a spring 14 attached to the conductive arm 9.

Japanese Patent Laid-Open No. 5-95603

  However, when the moving body travels through an insulated trolley wire using an insulated trolley wire current collector as described in Patent Document 1, firstly vibration generated in the moving body itself, and secondly traveling Due to the occurrence of unevenness on the road surface, thirdly, shaking associated with traveling, and fourthly, environmental conditions of the traveling location, especially changes in the state of the overhead wire of the insulated trolley wire due to temperature and humidity, so-called meandering, etc. The phenomenon of derailing from the insulated trolley wire is caused.

  In such a case, in the current collector having the mechanism described in Patent Document 1, when the current collector 50 jumps to the side of the trolley wire 51 as shown in FIG. Also, the hanger 53 supporting the trolley wire 51, the trolley wire mounting bracket 54, and various facilities installed near the trolley wire laying may be caught and damaged, resulting in a serious accident and further improving productivity. There is a possibility of serious trouble.

  Therefore, in view of such problems, the present invention collects trolley wire laying equipment and insulated trolley wire current collectors that do not damage the trolley line laying equipment and equipment installed in the vicinity of the trolley line when the current collector causes a derailment phenomenon from the trolley line. Is intended to provide.

According to the first aspect of the present invention, there is provided a current collecting holder portion for holding a current collecting member, a current collecting support portion that pivotally supports the current collecting holder portion at one end and a plurality of rotating shafts at the other end, and one end A plurality of arm portions that are pivotally supported by the pivot shaft, an elastic member that is connected to and attached to the plurality of arm portions, and a base support portion that has a fulcrum pivot shaft that pivotally supports the plurality of arm portions; An attachment part to which the foundation support part is coupled, an arm guide part provided in the attachment part, and an uppermost part of the plurality of arm parts
It is the collector of the insulated trolley wire provided with the contact guide block on the upper surface of the arm part located in the part .

The invention according to claim 2 is the current collector for an insulated trolley wire according to claim 1, wherein the arm guide portion is provided with a detector for detecting contact of the arm portion.

  According to the collector of the insulated trolley wire according to the present invention, when the collector causes a derailment phenomenon from the trolley wire, the trolley wire collector that does not damage the trolley wire laying equipment and the equipment installed in the vicinity of the trolley wire line It improves safety and its production efficiency, and has a significant industrial effect.

The present invention will be specifically described below with reference to the drawings.
FIG. 1 is a side view of a current collector for an insulated trolley wire according to an embodiment of the present invention. In FIG. 1, 1 is a current collector of the present embodiment, 3 is a current collecting holder portion for fixing and holding a current collecting member (not shown), 4 is a current collecting support portion, and 5 is a rotation provided in the current collecting support portion. A shaft, 6 is an arm portion, 7 is an elastic member connected to the two arm portions 6 and 6, 8 is a base support portion, and 9 is a base support portion 8 that pivotally supports the two arm portions. A fulcrum rotation shaft 10 is an attachment portion for connecting the foundation support portion 8, and 11 is an arm guide portion provided on the attachment portion 10.

Fig.2 (a) is the front view and side view which show an example of embodiment of the arm guide part 11, (b) is a front view which shows another Example. 20R is a right side stopper, 20L is a left side stopper, and 20a is an arm guide part, which is connected to the mounting part 10 of FIG. The arm guide portion 11 includes an arm guide portion 20a that guides the arm portion that contacts the left and right stoppers to either the left or right stopper.

FIG. 3 is a plan view showing an example of an embodiment of the arm guide unit 11 in which the arm guide unit 11 is provided with a detection device 30 that detects contact of the arm unit 6.

4A and 4B are diagrams illustrating the contact guide block. FIG. 4A is a plan view illustrating an example of an embodiment of the contact guide block provided on the uppermost arm portion 6, and FIG. 4B is a diagram of the guide block in use. It is a top view which shows a form. In FIG. 4, 40 is a contact guide block.

As shown in FIG. 1, the current collector 1 of the present embodiment includes a current collecting holder portion 3 in which a current collecting member (not shown) is fixed and held, and a current collecting holder portion 3 on a current collecting support portion 4. Are pivotally supported so as to rotate about the foundation support 8.
The current collecting support part 4 is pivotally supported at one end of the two arm parts 6 so as to move in synchronization with the movement of the two arm parts 6 and maintain a parallel relationship with the base support part 8.
The two arm portions 6 that pivotally support the current collecting support portion 4 at one end are pivotally supported by the other end thereof so as to be rotated by the base support portion 8 and the fulcrum rotation shaft 9. The base support portion 8 is provided on the mounting portion 10 so as to rotate in the horizontal direction.
The arm guide portion 11 is attached to the upper portion of the attachment portion at a position where it does not contact the uppermost arm portion 6 during normal use (when not derailed).

Next, the behavior when the current collector 1 including the arm guide portion 11 of FIG. 1 derails from the trolley wire will be described below.
FIG. 5A is a diagram simulating the movement of the current collector holder 3 when the current collector is derailed. When the current collector is disconnected, it can be seen that the trolley wire moves to the left or right and upward. FIG. 5B is a view of this state as viewed from the side of the entire current collector.
FIG. 5B shows a state in which the arm portion 6 moves parallel to the base support portion 8 along with the derailment and is restrained by contacting with the arm guide portion 11 as shown in the arm portion 6 ′.

By providing the arm guide portion 11 shown in FIG. 2, the arm portion 6 and the arm guide portion 11 are designed to be in a non-contact state during normal traveling. When this happens, the arm portion 6 moves vertically upward and to the left or right by the action of the elastic member 7 and comes into contact with the arm guide portion 20a of the arm guide portion 11 directly above the arm portion 6. The contacted arm portion 6 moves to the left or right along the arm guide portion 20a, up to the left or right stopper portions 20L, 20R, due to the contact part shape of the arm guide portion 20a and the contact orientation of the arm portion. Moving. By reaching either of the stopper portions 20L and 20R, the arm portion 6 does not move upward any more and is prevented from moving left and right. Furthermore, even when traveling is continued in such a derailed state, it does not interfere with other equipment.
Therefore, the collision and contact with the overhead facility of the trolley wire and the surrounding facilities can be prevented, and a serious accident such as damage to the facilities and equipment and a decrease in productivity can be prevented.

  The form of the arm guide portion is not limited to this embodiment, and the arm portion 6 restrains the movement (left and right stopper portions 20L, 20R in this embodiment) and the movement of the arm portion when derailed. What is necessary is just to have the induction | guidance | derivation part (a guidance part 20a in a present Example) guided to the part to restrain.

FIG. 3A shows an embodiment in which the detection device 30 is arranged inside the left and right stopper portions 20L and 20R. However, as shown in FIG. 3B, the detection device 30 is provided in the guide portion 20a. But it ’s okay.
Here, the detection device to be used is to detect contact, such as a sensor that detects a change in pressure such as a contact sensor, a pressure sensor, or an acceleration sensor, or a sensor that detects a change in physical properties such as an optical sensor or a conduction line. It is good if it is suitable.
By providing the detection device 30 in the arm guide portion 11, derailment can be detected easily and quickly, and the degree of problems caused by derailment can be greatly suppressed.

  When the contact guide block 40 shown in FIG. 4A is provided in the arm portion 6, when the current collector 1 is derailed and the arm portion 6 comes into contact with the arm guide portion 11, as shown in FIG. Further, the arm portion 6 facilitates the movement of the arm guide portion 11 in the direction of the left or right stopper portion 20L or 20R.

It is a side view of the collector of the insulated trolley wire which shows one Example which concerns on this invention. (A) is the front view and side view which show an example of embodiment of an arm guide part, (b) is a front view which shows other embodiment. (A), (b) is a top view which shows an example of embodiment of the arm guide part with which the arm guide part is equipped with the detection apparatus which detects the contact of an arm part, (c) is explanatory drawing of a detection condition. It is a figure explaining a contact guide block, (a) is a top view which shows an example of embodiment of the contact guide block provided in the uppermost arm part, (b) shows the use condition of the contact guide block at the time of derailment. It is explanatory drawing. (A) is a figure explaining the movement of the current collection holder part when current collector derails, (b) is the figure which looked at the mode from the side of the whole current collection. It is sectional drawing of the current collection of the conventional trolley wire. It is a figure which shows the condition at the time of the derailment of the conventional collector.

Explanation of symbols

1 Current collector (current collector)
3 Current collecting holder 4 Current collecting support 5 Rotating shaft 6 Arm 6 'Arm (when derailed)
Reference Signs List 7 Elastic member 8 Foundation support portion 9 Support point rotation shaft 10 Mounting portion 11 Arm guide portions 15 and 54 Mounting bracket
16, 51 Insulated trolley wire 17, 53 Hanger
18 Power cable 20a Guide portion 20L Left stopper portion 20R Right stopper portion 21 Mounting hole 30 Detection device 40 Contact guide block 50 Conventional current collector 100 Insulating trolley wire 101 Conductor 102 Shoe 103 Pressing spring mechanism 104 Insulating cover

Claims (2)

A current collecting holder for holding a current collecting member;
A current collecting support portion that pivotally supports the current collecting holder portion at one end and has a plurality of rotating shafts on the other end side;
A plurality of arm portions, one end of which is pivotally supported by the rotation shaft;
An elastic member connected to and attached to the plurality of arm parts;
A base support portion having a fulcrum rotation shaft that pivotally supports the plurality of arm portions;
An attachment part to which the foundation support part is coupled;
The arm guide portion provided in the attachment portion and the uppermost portion of the plurality of arm portions
Insulating trolley wire with a contact guide block on the upper surface of the arm portion . The detector which detects the contact of the said arm part is provided in the said arm guide part.
A current collector for insulated trolley wires.

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