JPH083121Y2 - Vehicle discharge device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle discharge device that removes electric charges from one or more vehicles that are electrically insulated from the ground.

[0002]

2. Description of the Related Art Generally, a vehicle equipped with rubber tires, such as an electric drive car or a monorail car, is insulated from the ground and is not grounded during traveling. Therefore, for example, in an electrically driven vehicle, if there is a leakage to the vehicle body in the supply / electric circuit during electrostatic induction to the vehicle body or supply of power from the outside, the vehicle body is charged. Therefore, there is a risk of electric shock when a person gets on and off the electric drive vehicle while the vehicle is stopped. In order to prevent such a danger, it is required that the vehicle body of a vehicle equipped with rubber tires be grounded to the ground to discharge the electric charge while the vehicle is stopped.
The vehicle discharge device disclosed in Japanese Patent Publication No. 4-30498 is disclosed.

FIG. 7 and FIG. 8 show an example of this type of vehicle discharge device . In the figure, reference numeral 101 denotes a connected vehicle, which is configured by connecting four vehicles 102A, 102B, 102C, and 102D (hereinafter, reference numeral 102 will be used generically) in series. The vehicle 102 is a metal body 1
03 and rubber tires 104 on the front, back, left and right of the vehicle body 103. The vehicle 102 is electrically insulated from the ground by the rubber tires 104.

Ground shoes 105, 105 are provided on both sides of the front end of the vehicle body 103 of the front vehicle 102A. The ground shoes 105, 105 and the vehicle body 103 are connected to each other via ground wires 106, 106. on the other hand,
At the rear end of the vehicle body 103 of the rear vehicle 102D, the grounding shoes 107,
107 is provided. Each ground shoe 107, 107
The vehicle body 103 and the vehicle body 103 are connected via ground lines 108, 108.

Reference numeral 109 denotes a station platform, and FIG. 8 shows a state in which the articulated vehicle 101 is stopped at the platform 109. On the opposite side of the platform 109, there are a front ground plate 110 and a rear ground plate 111 at the front and rear ends in the traveling direction of the platform 109, respectively.
Is arranged. Front ground plate 110, rear ground plate 11
Reference numeral 1 is connected to the ground main line via ground-side ground wires 110A and 111A, respectively. Here, the front ground plate 11
0, the rear ground plate 111 is installed only on the opposite side of the platform 109.
The layout is taken into consideration.

If any of the stopped vehicles 102 is charged with electric charge, the electric charge is applied to the front vehicle 102A.
In the order of the vehicle body 103, the ground wire 106, the grounding shoe 105, the grounding plate 110, the ground side grounding wire 110A, and the grounding trunk line, the vehicle is discharged to the ground side at the same time.
In 02D, the vehicle body 103 → ground wire 108 → ground shoe 107 → ground plate 111 → ground side ground wire 111A.
→ Discharge to the ground side in the order of grounding main line. It should be noted that the reason why there are two systems of charge discharge paths in this way is that even if one charge discharge path has a poor contact, the other charge discharge paths ensure discharge.

[0007]

However, in the conventional vehicle discharge device , as shown in FIG. 8, in a situation where the traveling connected vehicle 101 is about to stop at a predetermined position on the platform 109, When the traveling front vehicle 102A passes through the rear end of the platform 109, its ground shoe 105 slides on the rear ground plate 111. Further, when the coupled vehicle 101 travels and the front end of the vehicle 102A stops at the same position as the front end of the platform 109, the ground shoe 105 slides on the front ground plate 110. As a result, the front vehicle 102A
Since the grounding shoe 105 of (1) passes through the rear grounding plate 111 while sliding at a high speed and slides on both the front grounding plate 110 and the rear grounding plate 111, the sliding distance is long.

Further, in a situation where the stopped combined vehicle 101 is about to depart, the stopped rear vehicle 1
02D starts running, its ground shoe 107 slides on the rear ground plate 111, and when the rear vehicle 102D travels and its rear end passes through the front end of the platform 109, the ground shoe 107 moves the front ground plate 110. Slide. As a result, the ground shoe 10 of the rear vehicle 102D
Since 7 passes through the front ground plate 110 while sliding at a high speed and slides on both the front ground plate 110 and the rear ground plate 111, the sliding distance is long.

As described above, each of the ground shoes 105,
107 also passes through the front ground plate 110 and the rear ground plate 111 while sliding at a high speed, and the sliding distance is long. Therefore, the ground shoes 105 and 107 are rubbed and worn by the front ground plate 110 and the rear ground plate 111 at a high speed over a long sliding distance.
There is a problem that the durability of No. 5,107 is inferior.

The present invention has been made to solve the above problems, and an object thereof is to provide a vehicle discharge device capable of improving the durability of the ground shoe of the vehicle .

[0011]

The invention according to claim 1 is
Two or more vehicles that are electrically insulated from the ground, at least two grounding shoes provided on one side of the vehicle, and a grounding shoe that is arranged at a predetermined position where the vehicle stops and that is in contact with each grounding shoe. In a vehicle discharge device having a ground plane, 1 or 2 vehicles are provided with two or more ground shoes.
Use at least one or more auxiliary in close proximity to the direction of travel
The grounding plate corresponds to the space between the two grounding shoes.
It is characterized in that it has a single length .

According to a second aspect of the present invention, two or more vehicles electrically insulated from the ground, at least two ground shoes provided on one side of the vehicle, and a predetermined position at which the vehicle is stopped on the ground side. In a vehicle discharge device having a grounding plate arranged so that each grounding shoe can come into contact with the grounding plate, two grounding plates are arranged side by side on the ground side in a direction perpendicular to the traveling direction of the vehicle, and the grounding plates are in contact with each other. Two free grounding shoes are provided for one or two vehicles, one of which is used as an auxiliary .

[0013]

According to the present invention, when the running vehicle is about to stop, both of the two ground shoes slide on only one ground plate at a slow speed immediately before the stop of the vehicle, When the vehicle comes to a stop at a predetermined position, both of the two ground shoes are in contact with one ground plate. The vehicle and the ground side electrically contact with each other through the grounding shoe and the grounding plate which are in contact with each other.

When the vehicle is stopped at a predetermined position, both of the two ground shoes are in contact with one ground plate, and when the stopped vehicle starts, the two ground shoes are in contact with each other. In both cases, only one ground plate slides at a slow speed immediately after the vehicle starts moving. In the device according to the second aspect, the same operation as the device according to the first aspect occurs.

[0015]

BRIEF DESCRIPTION discharge apparatus for a vehicle according to the first embodiment of <br/> invention of claim 1, wherein the FIGS.
In this embodiment, the same components as those in the conventional example are designated by the same reference numerals. In FIGS. 1 and 2, reference numeral 1 is a connected vehicle, and four vehicles 2A, 2B, 2C, 2D
(Hereinafter, reference numeral 2 will be used for the generic name) are connected in series. The vehicle 2 has a metal frame 3A that forms the bottom of the vehicle body 3, and rubber tires 4 that are respectively arranged on the front, rear, left, and right of the frame 3A. The rubber tire 4 electrically insulates the vehicle 2 from the ground side.

1 to 4, the vehicle 2A on the front side is shown.
At the front and rear ends of the frame 3A of the vehicle body 3, horizontal members 5 and 5 for guiding and steering the vehicle are provided below the frame 3A so as to be movable left and right, respectively. The base ends of the ground shoes 7, 7 are attached to both ends of the member 5 via brackets 6, 6, respectively. That is, the brackets 6 and 6 are fixed to the lower surface of the horizontal member 5 by the bolts 6a, and the ground shoes 7 and 7 are attached below the brackets 6 and 6 by being clamped to the brackets 6 and 6 by the pressing metal fittings 6b. It is arranged so that its axial direction is horizontal and extends in the width direction of the vehicle. By loosening the bolts and nuts 6c, the ground shoes 7, 7 of the pressing metal 6b
Is loosened, the position of the ground shoes 7, 7 in the vehicle width direction is adjusted, and the contact pressure of the tip of the ground shoes 7, 7 with respect to the ground plate 11 can be adjusted appropriately. The front end side 7A of the grounding shoe 7 is flexible in the front-back direction of the vehicle body 3, and its tip end is formed in a thin plate shape. Guide wheels 8, 8 are rotatably provided at both ends of the horizontal member 5, respectively. The ground shoes 7 and the vehicle body 3A are connected to each other via ground wires 9 and 9, respectively.

Further, ground shoes 10, 10 are provided on both sides of the rear end of the frame 3A of the vehicle body 3 of the front vehicle 2A. The ground shoes 10, 10 and the vehicle body 3A are
It is connected via the ground wires 10A and 10A. On the opposite side of the traveling road surface 109A from the platform 109, the ground plate 11 is arranged at a position near the front end of the platform 109 in the traveling direction. Single ground plate 11
It corresponds to the space between the two ground shoes 10, 10.
It is the length to do. The ground plate 11 is connected to the ground trunk line 13 via the ground side ground wire 12. In FIG. 2, 14 is a rail for guiding the guide wheel 8.

When the traveling vehicle 1 is about to stop at a predetermined position on the platform 109, neither of the two ground shoes 7 and 10 provided on the front vehicle 2A is the front vehicle. Only one ground plate 11 slides at a slow speed immediately before 2A stops, and the front vehicle 2A
Is stopped at a predetermined position, both of the two ground shoes 7 and 10 are in contact with one ground plate 11 at the same time. The vehicle 2A on the front side and the ground side are electrically connected via the ground shoes 7, 10 and the ground plate 11 which are in contact with each other. That is, the electric charge charged in any of the stopped vehicles 2 is transmitted to the vehicle 2A on the front side, and further, the vehicle body 3 → the ground line 9 → the ground shoe 7 → the ground plate 11 →
Ground side ground wire 12 → ground trunk line 13 is discharged to the ground side in this order, and at the same time, vehicle body 3 → ground wire 10A → ground shoe 10 → ground plate 11 → ground side ground wire 12 → ground trunk line 13
It is discharged to the ground side in this order. The ground shoes 7, 1
If at least one of the zeros is in contact with the ground plate 11, the charged electric charge of the vehicle body 3 can escape to the ground side. In other words, one of the ground shoes 7, 10 is
Used as an auxiliary.

When the vehicle 2A on the front side is stopped at a predetermined position on the platform 109, both of the two ground shoes 7 and 10 are in contact with one ground plate 11 at the same time. When the stopped front vehicle 2A starts, both of the two ground shoes 7 and 10 slide only one ground plate 11 at a slow speed immediately after the front vehicle 2A starts moving.

According to the above configuration, one ground plate 1
1 grounding shoes 7 and 10 that can contact 1
Since it is provided on one front-side vehicle 2A close to the traveling direction of the vehicle, when the traveling front-side vehicle 2A is about to stop or when the stopped front-side vehicle 2A is about to depart, Each of the two ground shoes 7 and 10 contacts and slides with only one ground plate 11, slides at a slow speed with respect to the ground plate 11, and the sliding distance can be shortened.
Therefore, the wear of the ground shoes 7, 10 can be reduced and the durability thereof can be improved.

In this embodiment, the number of ground shoes is two, but three or more ground shoes that can contact one ground plate 11 can be provided in one vehicle. FIG. 5 is a vehicle according to a second embodiment of the invention according to claim 1 .
Both discharge devices are shown. In the first embodiment, the two ground shoes 7 and 10 that can contact the one ground plate 11 are provided in the one front vehicle 2A close to the traveling direction of the articulated vehicle 1, but in the middle vehicle 2B. Ground shoe 21, at the rear end
21 is provided at the front end of another intermediate vehicle 2C adjacent to the intermediate vehicle 2B, and grounding shoes 22 and 22 are provided close to each other in the traveling direction of the vehicle, and the grounding shoe 2 on one side of the vehicle 2B is provided.
It is also possible to install the ground plate 23, which is in contact with the ground shoes 22 on one side of the vehicle 1 and the vehicle 2C, on the ground side to obtain the same effect as that of the first embodiment.

In this embodiment, the number of ground shoes is two, but three or more ground shoes that can contact one ground plate 23 can be provided in two vehicles. FIG. 6 shows a discharge device for a vehicle according to an embodiment of the present invention. In this embodiment, on the ground side, two ground plates 31 and 32 are arranged side by side in the vertical direction (vertical direction) with respect to the traveling direction of the vehicle. A grounding shoe 33 that can contact the upper ground plate 31 and a grounding shoe 34 that can contact the lower ground plate 32 are provided in correspondence with the ground plates 31 and 32, respectively. One of the ground shoes 33, 34 is used as an auxiliary
It is.

In this embodiment, the grounding shoes 33, 34 are provided on the vehicle body 3 of any one of the vehicles 2, but the two grounding plates 31, 32 are separated by a predetermined distance in the traveling direction of the vehicle. Vertical to the direction of travel of the vehicle
Side-by-side (up and down) , and the ground shoes 33,
34 can also be provided on the two vehicles in a state of being separated from each other by a predetermined distance in the vehicle traveling direction so as to correspond to the ground plates 31 and 32.

[0024]

As described above, according to the first aspect of the present invention , one or two vehicles have two or more ground shoes.
At least one or more auxiliary in the direction of travel of the vehicle
Installed between two ground shoes
Since the length of the two corresponding to the distance is singularly configured, when the traveling vehicle is about to stop or the stopped vehicle is about to start, both of the two ground shoes are It contacts and slides on only one ground plate, slides at a slower speed than the ground plate, and the sliding distance can be shortened, thus reducing the wear of the ground shoe and improving its durability. be able to.

According to the second aspect of the invention, the ground
Side two ground plates in the direction perpendicular to the traveling direction of the vehicle
Two contacts that are installed side by side and can be contacted with these ground plates respectively
Use one ground shoe as auxiliary for one or two vehicles
Since it is provided in a state in which the vehicle is running, when the moving vehicle is about to stop, or when the stopped vehicle is about to depart, both of the two ground shoes are attached only to the ground plate corresponding to each ground shoe. It comes into contact with and slides, slides at a slower speed than the ground plate, and the sliding distance can be shortened. Therefore, the wear of the ground shoe can be reduced and its durability can be improved. Play.

[Brief description of drawings]

1 is a vehicle according to a first embodiment of the invention according to claim 1;
FIG. 3 is a plan configuration diagram showing the discharge device of FIG.

FIG. 2 is a sectional view taken along the line AA of FIG. 1;

FIG. 3 is an enlarged view of part B in FIG.

4 is a plan view of the grounding shoe as viewed from the direction of arrow C in FIG. 3. FIG.

FIG. 5 is a vehicle according to a second embodiment of the invention according to claim 1;
FIG. 3 is a plan configuration diagram showing the discharge device of FIG.

FIG. 6 is a vehicle release according to an embodiment of the invention as defined in claim 2;
It is a front view of an electric device .

FIG. 7 is a plan configuration diagram showing a conventional vehicle discharge device .

FIG. 8 is an operation state explanatory diagram of the electric discharge device of the vehicle .

[Explanation of symbols]

 2A Front vehicle 7,10 Ground shoe 11 Ground plate

 -------------------------------------------------------------------------------------------------------------- ─── Continuation of the front page (72) Inventor Akio Ikoshi 1-9-3 Kamatahonmachi, Ota-ku, Tokyo Stock Company Niigata Iron Works Transportation Systems Division Traffic Engineering Division Engineering Department (72) Inventor Yoshio Oda Tokyo 1-9-3 Kamatahonmachi, Ota-ku, Tokyo Stock exchange company Niigata Iron Works Transportation Systems Division Engineering Department Communication Systems Engineering Room

Claims (2)

[Scope of utility model registration request] 1. Two or more vehicles electrically insulated from the ground, at least two ground shoes provided on one side of the vehicle, and each ground shoe arranged on the ground side at a predetermined position where the vehicle stops. In a vehicle discharge device having a ground plate that can be contacted with each other, one or two vehicles are provided with two or more ground shoes.
Auxiliary use of at least one or more in close proximity to the direction
The ground plate is a single unit with a length corresponding to the distance between the two ground shoes.
Discharge device for a vehicle, characterized in that it is configured to. 2. Two or more vehicles electrically insulated from the ground, at least two ground shoes provided on one side of the vehicle, and each ground shoe arranged on the ground side at a predetermined position where the vehicle stops. In a vehicle discharge device having a ground plate that can be contacted with each other, two ground plates are arranged side by side on the ground side in a direction perpendicular to the traveling direction of the vehicle, and two ground shoes that are respectively contactable with these ground plates. A discharge device for a vehicle, characterized in that one is provided in one or two vehicles in a state where one is used supplementarily .