JPH08119006A - Trolley wire oiling device - Google Patents

Abstract

PURPOSE: To provide a trolley wire oiling device which enables a working vehicle to advance at a high speed. CONSTITUTION: An oiling device is equipped with a follow-up means 5 which, in engagement with the trolley wire 4, follows displacement of trolley wire 4 from a working vehicle and with an oiling means 6 which applies oil to the trolley wire 4. The follow-up means 5 is equipped with an elevating member 11 extending in a crossing direction with the trolley wire 4, an energizing means for giving an upward impetus to this elevating member toward the trolley wire 4, a slider 21 which is installed on, and capable of moving proceedingly or recedingly along the direction of the length of, the elevating member 11, a guide roller 25 installed freely-rotatably on the slider 21 in engagement with the trolley wire 4, and a roller 41 with which the trolley wire makes sliding contact. The oiling means 6 is further equipped with nozzles 31 installed on the slider 21 and sprays oil from the nozzles 31 to apply it to the trolley 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trolley wire oiling device for applying oil to a trolley wire.

[0002]

2. Description of the Related Art Conventionally, by applying oil to a trolley wire, it is possible to prevent frost and ice from adhering to the trolley wire or to easily remove them.
The wear of the pantograph current collecting sliding member that is in sliding contact with the trolley wire is prevented. As a conventional trolley wire oiling device, a work vehicle is provided with a follow-up means for engaging the trolley wire and following the displacement of the trolley wire with respect to the work vehicle, and an oiling means for applying oil to the trolley wire. Those provided with are known. More specifically, the movable block is pivotally connected to the upper end of the pole by using a pole-type current collector that is often used in the streetcar as the follow-up means. Further, the movable block is provided with two rollers before and after the traveling direction of the vehicle, and further with a rubbing plate which is in sliding contact with the trolley wire behind the two rollers in the traveling direction of the vehicle. The roller on the front side in the traveling direction of the vehicle is a guide roller that engages with the trolley wire, and the guide roller, the rubbing plate, and the pole constitute the following means. On the other hand, the roller between the guide roller and the rubbing plate is an oil coating roller for applying oil. This oil coating roller has a shaft around which a resin brush or the like is wound, and the resin brush is replenished with oil and allowed to soak. , The resin brush is in contact with the contact wire. Therefore, when the working vehicle is moved forward, the oiling roller rotates while being kept in contact with the trolley wire by the follow-up means, and the resin brush provided on the oiling roller comes into contact with the trolley wire to cause the trolley wire to move. Can be oiled.

[0003]

However, in the trolley wire oil coating device having the above structure, the oil is soaked in the resin brush or the like and then applied to the trolley wire. There is a possibility that the application of the above may be insufficient, and the work capacity has a certain limit. In view of such a situation, the present invention provides a trolley wire oil coating device having a high work capacity capable of moving a work vehicle forward at high speed.

[0004]

Means for Solving the Problem That is, the present invention is to provide a work vehicle with a follow-up means that engages with the trolley wire and follows the displacement of the trolley wire with respect to the work vehicle, and oil to the trolley wire. In a trolley wire oil coating device provided with an oil applying means for applying, the oil applying means is a nozzle provided in the following means, and an injection means for injecting oil from the nozzle to apply the oil to the trolley wire. It is composed of.

[0005]

According to the above construction, since the nozzle is provided in the follow-up means, the relative position between the nozzle and the trolley wire can be maintained substantially constant, and moreover, the oil can be jetted from the nozzle by the jetting means. Since the oil is applied to the trolley wire, it is possible to easily cope with the speedup of the work vehicle by adjusting the injection amount thereof, and therefore it is possible to easily increase the work capacity thereof as compared with the conventional one. it can.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. In FIG. 1, a work vehicle 1 can be driven by a diesel engine 2, and the trolley wire coating according to the present invention is provided on the rear side in the forward direction. The oil device 3 is provided so that the work vehicle 1 and the worker are less likely to be contaminated with oil.
This trolley wire oiling device 3 includes a follower means 5 that engages with the trolley wire 4 and follows the displacement of the trolley wire 4 with respect to the work vehicle 1, and an oiling means 6 that applies oil to the trolley wire 4. Is equipped with. The following means 5 is, as shown in FIG.
An elevating member 11 extending below the trolley wire 4 in a direction intersecting with the elevating member 11 is provided, and two leg portions 12 extending downward are provided on both sides of the lower surface of the elevating member 11. Each leg 1 above
2 are fitted in hollow guide rails 13 vertically arranged on both sides of a rear portion of the working vehicle 1 so as to be lifted and lowered. It is urged upward toward No. 4. The above-mentioned urging means 14 are mounted inside the both guide rails 13 in parallel with the two guide rails 13 and fixed to the working vehicle 1, and two guide pipes 15 are attached to the respective guide pipes 15 so as to be vertically movable. A balance weight 16 is provided, and one end of each of the balance weights 16 is connected to an upper end portion of the balance weight 16. A wire 17 is hung on a pulley 18 provided at an upper portion of the working vehicle 1 and then downwardly moved to a central portion of a lower surface of the lifting member 11. It is connected to the lower end of the rod 19 provided toward. The total weight of the two balance weights 16 is slightly heavier than the total weight of the lifting member 11 including the mounting parts, the legs 12 and the rods 19, so that the lifting member 11 is attached to the trolley wire 4. It urges upwards. A pantograph may be adopted as the urging means 14. Further, as shown in FIGS. 2 and 3, the follow-up means 5 is provided with a slider 21 whose forward and backward movement is guided by a slider guide 20 fixed along the longitudinal direction of the upper surface of the elevating member 11. As shown in FIG. 3, the slider guide 20 has a generally U-shaped cross section with an open upper side, and a plurality of wheels 22 pivotally supported by the slider 21 are arranged in the slider guide 20. Therefore, the slider 21
The slider guide 20 prevents the lifting / lowering member 1 from falling off before and after the working vehicle 1 in the traveling direction.
1 can run freely in the longitudinal direction. Above slider 2
1, two support bars 23 are fixed along the traveling direction of the working vehicle 1, and on the front side of the support bars 23,
That is, the rubbing plate 24 is fixed to the front side in the traveling direction of the vehicle 1 so as to intersect the trolley wire 4, and the support bar 23
A guide roller 25 is rotatably supported at the center of the rear side of the. Therefore, by raising the elevating member 11 by the biasing means 14, the rubbing plate 24 is brought into contact with the trolley wire 4, and the V-shaped engaging groove 25a formed on the outer peripheral surface of the guide roller 25 is attached to the trolley wire 4. It can be engaged with. Therefore, it is possible to prevent the trolley wire 4 from coming off the engagement groove 25a. Next, as shown in FIG. 4, the oiling means 6 is provided with two nozzles 31 provided on the slider 21, and both nozzles 31 are engaged with the engaging groove 25a of the guide roller 25. It is arranged on both sides of the line 4 so that oil can be injected diagonally toward the trolley line 4 from the front side to the rear side in the traveling direction of the vehicle 1 and from the lower side to the upper side (see FIG. 3). . As shown in FIG. 5, the oiling means 6 includes an oil tank 32 mounted on the work vehicle 1 (see FIG. 1) and a pump 33 for sucking and discharging the oil contained in the oil tank 32.
A motor 34 for driving the pump 33, and a heater 35 for heating the oil in the oil tank 32 to, for example, 80 ° C. The oil discharged from the pump 33 is a flexible oil hose. It is configured to be fed to the nozzle 31 via 36. At this time, the nozzle 31
The oil sprayed from is adapted to be sprayed in a thin film shape instead of a linear shape so that the oil can be favorably applied to the surface of the trolley wire 4. In the above structure, when the working vehicle 1 is moved forward and the motor 34 is driven to inject the oil from the nozzle 31 toward the trolley wire 4, the oil can be sufficiently applied to the trolley wire 4. The subsequent icing and frosting can be prevented for a long time. On this occasion,
Since the oil has been heated, the frost that has already adhered to the trolley wire 4 is instantly melted and the oil is cooled, so that the adhesion of the oil to the trolley wire 4 is increased. Further, since the oil is sprayed from the nozzle 31 and the oil is applied to the trolley wire 4, it is possible to easily cope with the speedup of the working vehicle 1 by adjusting the spraying amount, which is higher than the conventional one. You can get work ability. Further, the working vehicle 1
When the trolley wire 4 is displaced laterally with respect to the work vehicle 1 in accordance with the forward movement of the work vehicle 1, that is, in the longitudinal direction of the elevating member 11, the guide roller 25 engaged with the trolley wire 4 is used. Since the slider 21 is displaced along the longitudinal direction of the elevating member 11, the relative position between the trolley wire 4 and the nozzle 31 can be maintained substantially constant. Also, trolley wire 4
When the vehicle is displaced in the vertical direction with respect to the working vehicle 1, the lifting member 11 naturally follows the displacement and is displaced vertically. FIG. 6 shows a second embodiment of the present invention. In this embodiment, a roller 41 is provided instead of the rubbing plate 24 described above. In the first embodiment, the rubbing plate 24 is provided on the slider 21 and can be displaced integrally with the slider 21 in the longitudinal direction of the elevating member 11, but in the present embodiment, the roller 41 is a bracket. Four
It is rotatably supported by the elevating member 11 via 2 and is prevented from being displaced integrally with the slider 21. Therefore, when the trolley wire is displaced in the longitudinal direction of the elevating member 11, the contact position between the roller 41 and the trolley wire fluctuates and the roller 41 is rotatable. It is possible to prevent local wear of the. Further, in this embodiment, when the guide roller 25 provided on the rear side of the slider 21 is brought into contact with the trolley wire, the front side of the slider 21 is lifted. Therefore, the wheel 44 is attached to the slider 21 via the bracket 43, and the wheel 44 is engaged with the lower surface of the guide rail 45 that is fixed by being arranged in the longitudinal direction of the elevating member 11. The slider 21 can be displaced in the longitudinal direction of the elevating member 11 while preventing the side from floating. Further, in this embodiment, protection bars 46 are arranged on both sides of the guide roller 25 and fixed to the support bar 23. These protection bars 46 are horizontally moved from the position adjacent to the upper part of the guide roller 25 to the elevating member 1.
1 extends in the longitudinal direction and the tip portion is curved downward. These protection bars 46 prevent the trolley wire 4 from coming into contact with the bearing portion of the guide roller 25 and damaging the portion when the trolley wire 4 is disengaged from the engaging groove 25a of the guide roller 25. It was installed in. The rest of the configuration is the same as that of the first embodiment, and the same or corresponding parts are designated by the same reference numerals as in the first embodiment. FIG. 7 shows a third embodiment of the present invention, which shows an oil applying means 51 having a structure different from that of the oil applying means 6 of the first embodiment. The oiling means 51 of the present embodiment is equipped with a pressure tank 52, in which oil 53 is contained and a space 54 is formed in the upper part thereof. The compressor 5 is placed in the space 54.
5, the compressed air having a required pressure is supplied, and the oil 53 is heated by the heater 56 wound around the outer circumference of the pressure tank 52. An oil hose 57 for feeding the oil 53 in the pressure tank 52 is provided below the pressure tank 52,
Further, an air hose 58 for feeding compressed air is connected to the upper part, and both hoses 57 and 58 are branched into two, respectively, and the oil hose 57 and the air hose 58 are connected to a mixer 59 as one set. are doing. Each of the two mixers 59 is connected to the two nozzles 60. The mixer 59 mixes the oil from the oil hose 57 and the compressed air from the air hose 58 at a fixed ratio, and the mixer 59 can adjust the ratio and the total flow rate. It also has a function as an on-off valve. The adjustments and opening / closing operations thereof can be electrically controlled or manually adjusted from the rooftop workbench or the room of the work vehicle, if necessary. The rest of the configuration is the same as that of the first embodiment, and the same or corresponding parts are designated by the same reference numerals as in the first embodiment. In the third embodiment having the above-described structure, first, the pressure tank 52 is filled with oil 53, and the oil 56 is heated by the heater 56.
Warm. When compressed air having a required pressure is supplied from the compressor 55 into the space 54 of the pressure tank 52, the working vehicle 1 is moved forward and the mixer 59 is opened to mix the air and oil mixed by the mixer 59. The mixture of is sprayed from the nozzle 60 toward the trolley wire 4 in a spray state. Since the mixture of air and oil is jetted from the nozzle 60 toward the trolley wire 4, the consumption amount of the oil 53 can be reduced and the oil 53 is heated. The adhesion of oil to the trolley wire 4 can be increased as in the embodiment.

[0007]

As described above, according to the present invention, oil can be sprayed from the nozzle to apply the oil to the trolley wire while maintaining the relative position of the nozzle and the trolley wire substantially constant. Therefore, by adjusting the injection amount, it is possible to easily cope with the speeding up of the working vehicle, and it is possible to obtain an effect that a higher working capacity can be obtained as compared with the conventional case.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of the present invention.

FIG. 2 is a right side view of FIG.

3 is an enlarged cross-sectional view taken along the line III-III in FIG.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a front view of oiling means 6.

FIG. 6 is a perspective view showing a second embodiment of the present invention.

FIG. 7 is a circuit diagram of an oil applying means 51 according to a third embodiment of the present invention.

[Explanation of symbols]

1 ... Work vehicle 3 ... trolley wire oiling device 4 ...
Trolley wire 5 ... Following means 6, 51 ... Oiling means 11
... Lifting member 14 ... Biasing means 21 ... Slider 25
... guide roller 24 ... rubbing plate 31, 60 ... nozzle 32
… Oil tank

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Noriaki Kato 3-65 Midorigaoka, Toyota-shi, Aichi Otoyo Kogyo Co., Ltd. (72) Inventor Katsumi Taki 6-5-19 Minamishinagawa, Shinagawa-ku, Tokyo Sanwa Inside Techki Co., Ltd.

Claims (5)

[Claims] 1. A follower provided on a work vehicle for engaging with a trolley wire to follow a displacement of the trolley wire with respect to the work vehicle, and an oiling means for applying oil to the trolley wire. In the trolley wire oiling device, the oiling means is composed of a nozzle provided in the following means, and an injection means for injecting oil from the nozzle to apply the oil to the trolley wire. Wire oiling device. 2. The follow-up means includes an elevating member extending in a direction intersecting with the trolley wire, an urging means for urging the elevating member upward toward the trolley wire, and the elevating member along the longitudinal direction thereof. And a guide roller that is rotatably provided on the slider and that engages with the trolley wire, and the nozzle is provided on the slider. The trolley wire oil coating device according to claim 1. 3. The guide roller is provided on the rear side of the slider in the traveling direction of the vehicle, and the rubbing plate with which the trolley wire slides is provided on the front side of the slider in the traveling direction of the vehicle. The trolley wire oil coating device according to claim 3. 4. The guide roller is provided on the rear side of the slider in the traveling direction of the vehicle, and the roller contacting the trolley wire is rotatably provided on the elevating member on the front side of the slider in the traveling direction of the vehicle. The trolley wire oil coating device according to claim 3, wherein 5. The trolley wire oil coating device according to any one of claims 1 to 4, wherein the jetting means jets a mixture of air and oil from a nozzle.