JP4486209B2 - Mobile rigid train line - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rigid train line used as a mobile power source for a subway or the like, and more particularly to a mobile rigid train line that is configured to be movable so that it can be retracted from an installation point when necessary.
[0002]
[Prior art]
In subways and the like, in order to prepare for emergency disasters, water-stopping iron doors, shutters, and the like are provided at important points in the road. When partially blocking the inside of a large road with its water-stopping iron doors or shutters, it is necessary to evacuate a part of the rigid train line that is built inside, so that the shielding can be performed without hindrance. As a device for this, a mobile rigid train line is used.
[0003]
For example, Japanese Patent Application Laid-Open No. 61-139527 discloses a conventional technique for this movable rigid train line. The mobile rigid train line disclosed in the publication includes a fixed guide attached to the ceiling of a sway, a movable rigid train line movably provided along the fixed guide, a drive device provided below the sway, and a universal joint. And a power transmission mechanism combining a gear, a connecting shaft (link), etc., and the driving force of the driving device is transmitted to the movable rigid train line via the power transmission mechanism to move the train line. ing.
[0004]
Although the drive device is not particularly limited, in practice, both a motor and an emergency manual handle are used together so that both can be selectively used.
[0005]
[Problems to be solved by the invention]
In the above-mentioned conventional mobile rigid train line, the drive unit is located below the main road to enable safe operation of the manual handle in the event of an emergency when the motor cannot be used (during a power failure), and the power generated there However, this structure requires high-precision construction of the power transmission mechanism, making it difficult to achieve accuracy, requiring time and effort, and construction costs. There was a problem of being expensive.
[0006]
In addition, there is a concern that the accuracy of the power transmission mechanism may be reduced due to distortion of the girder, and the reliability of the operation may be reduced, and maintenance and inspection for maintaining accuracy are indispensable.
[0007]
Furthermore, the number of handle rotations required to move one unit (moving length: about 3.5 m) of the movable rigid train line is about 150, and the handle operation by the operator is difficult.
[0008]
An object of the present invention is to solve these problems and improve workability, cost reduction, maintenance labor, reliability, emergency labor reduction, and the like.
[0009]
[Means for Solving the Problems]
In order to solve the above-described problems, in the present invention, a movable rigid train line is provided that is movably provided along a guide rail that is fixed to the ceiling portion of a sway through a part of the rigid train line that is installed on the ceiling of the sway. formed, in mobile rigid catenary that obtained by removing from the home position when necessary to drive the movable rigid catenary,
A moving motor and a feed mechanism for moving the movable rigid train line using it as a power source are provided near the ceiling of the ridge along the movable rigid train line, and a human-powered power generation unit is provided below the ridge. the feeder cable for transmitting electric power from the power generation unit to the moving motor provided, the electric power generated in the power generation unit is supplied to the moving motor via the power supply cable, the movable rigid body train power of the motor Before moving the line.
[0010]
It is preferable to provide an electric lock device that holds the movable rigid train line in a fixed position and a retracted position, and the power generation unit can be used as a power source for the lock device.
[0011]
If a power source for driving the motor and the device for driving the lock device, which is separate from the power generation unit, is provided, it is not necessary to generate power by human power when the power source is normal.
[0012]
The power generation unit preferably includes a generator composed of a DC motor, a manual handle, and a speed increasing device that increases the rotation of the manual handle and transmits the speed to the power generator.
[0013]
Further, it is preferable to include a control circuit for stopping the moving motor by short-circuiting the power feeding circuit from the power generation unit to the moving motor at the position where the movable rigid train line has been retracted and at the position where it has returned to the fixed position. .
[0014]
[Action]
In the present invention, electric power is generated by human power, the electric power is transmitted to the moving motor via the power supply cable, and the movable rigid train line is moved by the power of the motor so that the section from the human power operation unit to the moving motor Since the power transmission mechanism is eliminated, the power transmission unit is not required to have high accuracy as in the prior art, and it is difficult to be affected by the distortion of the road.
[0015]
In addition, since human power is once converted into electricity and transmitted to the motor and lock device for movement, the power generation unit can be separated from the mobile rigid train line as long as it does not interfere with power transmission. It is also possible to improve the emergency response by approaching.
[0016]
The electric locking device is also used in the conventional mobile rigid train line, but in the conventional structure, it is necessary to manually unlock and re-lock at the time of power failure. The lock device can be operated even in the event of a power failure with the power supplied from the unit, and the safety work can be further improved by eliminating the work at high places by hand.
[0017]
Also, in order to increase the rotation of the manual handle and transmit it to the DC motor, and to generate electricity by rotating the DC motor, move the unit's movable rigid train line to the retreat point by rotating the handle about 15 times. It was confirmed by a test using a prototype device that the labor in an emergency can be reduced to about 1/10 compared with a conventional device that directly transmits the handle rotation by decelerating.
[0018]
In addition, those including the above-described control circuit can prevent excessive movement of the movable rigid train line without using a relay or an expensive brake motor with high power consumption. The above-mentioned trial device reduces the labor required in the event of an emergency because it has become possible to increase the handle rotation speed, which previously required to be decelerated. This is caused by using a geared motor as a power source for movement.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 and FIG. 2 show an outline of the mobile rigid train line of the present invention.
[0020]
As shown in FIG. 1, a rail 2 serving as a traveling track of a vehicle is laid in the side road 1. In addition, a rigid train line 5 is suspended from the ceiling of the side road 1 via a support portion 3 and an insulator 4. Electric power is supplied to the vehicle by bringing the pantograph into sliding contact with the rigid train line 5.
[0021]
As shown in FIG. 2, the rigid train line 5 fixedly installed on the ceiling of the sway 1 is disconnected at a sluice shield part by a stationary iron door or the like, and a movable rigid body is used as a feeding path at the disconnection part. The train line 10 is provided in parallel with the rigid train line 5.
[0022]
As shown in FIGS. 3 and 4, the mobile rigid train line 10 includes a guide rail 11 that is fixedly installed on a ceiling portion of a side road, a plurality of elevated pulleys (trolleys) 12 that are guided by the guide rail, A movable rigid train line 15 suspended from the elevated pulley 12 via the support portion 13 and the insulator 14, a feed mechanism 16 that moves the movable rigid train line 15 using the moving motor 16a as a power source, and a lower side of the lane 1 The power generation unit 17 of FIG. 1 provided in FIG. 1 and the power supply cable 18 of FIG. 1 for transmitting the electric power from the power generation unit to the moving motor 16a.
[0023]
As shown in FIG. 4, the elevated pulley 12 includes a roller 12 b that contacts the lower surface of the guide rail 11 and prevents the pulley from being lifted, in addition to the roller 12 a that rolls on the guide rail 11. The plurality of elevated pulleys 12 arranged at a constant pitch are connected by frames 19 fixed to the side plates of the respective pulleys, and the movable rigid train line 15 suspended by being fed by the feeding mechanism 16 is fixed together with the pulleys at a fixed position ( 2 is moved from the original installation point in FIG. 2 to the retraction point, and further returned from the retraction point to a fixed position. Connected to the movable rigid train line 15 is a power supply cable (not shown) having a length that allows the movement to follow the movement.
[0024]
The feed mechanism 16 includes a moving motor 16a provided near the ceiling of the ridgeway 1, a pinion gear 16b attached to the output shaft of the motor, and a rack gear 16c fixed to the frame 19 and meshed with the pinion gear 16b. 4 is a motor base attached to the fixed bracket 21 and capable of fine adjustment of the height position, and a moving motor 16a is attached to the motor base 20.
[0025]
This feed mechanism 16 is a mechanism in which a ball screw having a required length is attached to a frame 19, a bush is screwed to the ball screw, the bush is fixed at a fixed position, and the ball screw is rotated by a motor directly connected thereto. There may be.
[0026]
As shown in FIGS. 5 and 6, the power generation unit 17 includes a manual handle 17 a, a speed increaser 17 b, a power generator 17 c, and a control box 17 d provided on the gantry 22. The rotation of the manual handle 17a is increased by the speed increaser 17b, and the increased rotation is further increased by the gears 17e and 17f and transmitted to the rotor of the generator 17c, and electricity is generated by the generator 17c. The power generation unit 17 is preferably stopped by a lock device (not shown) that can be locked in order to prevent tampering.
[0027]
The illustrated power generation unit 17 has a gear ratio of 75/1, gears 17e and 17f with a gear ratio of 50/20, a handle rotation speed of 8 rpm, a generator rotation speed of 1500 rpm, and a handle. It is designed to have a generator speed of 1875 rpm at a speed of 10 rpm. The generator 17c uses a DC motor rated at 120W and 48V, and supplies the electric power generated by the generator 17c to the moving motor 16a via the power supply cable 18 shown in FIG.
[0028]
A normal power supply (not shown) separate from the power generation unit is provided so that the motor 16a is always supplied with power from the power supply, and the power generation unit 17 is used when the normal power supply cannot be used due to a power failure.
[0029]
As the moving motor 16a, an 80 W / 24 V / 3.8 A DC geared motor was used. When the rotational speed of the motor 16a is 25 rpm and the pitch circle diameter of the pinion gear 16b is 85 mm, the moving speed of the movable rigid train line 15 is 6.68 m / min. This is the speed when power is supplied from the normal power source. When power is supplied from the power generation unit 17, the rotational speed of the motor 16a decreases. For this reason, the number of handle rotations required to move a movable rigid train line with a moving length of about 3.5 m has been reduced to about 15 times, but this still reduces the handle operation effort to about 1/10 compared to the conventional case. Is done.
[0030]
FIG. 7 shows a control circuit incorporated in a power feeding system from the generator 17c to the motor 16a.
[0031]
Dogs 23 and 24 are attached to both ends of the rack gear 16c shown in FIG. Further, limit switches 25 and 26 corresponding to the dogs are provided at both ends of the guide rail 11, and when the movable rigid train line 15 arrives at the retreat end point, the dog 23 operates the limit switch 25 and returns to the return end point. And the dog 24 actuates the limit switch 26.
[0032]
The control circuit of FIG. 7 stops the motor 16 at the end point of movement using the changeover switch 27 and limit switches 25 and 26 provided in the installation part of the power generation unit 17. That is, in the state shown in the figure, electricity normally flows from the power generation unit 17 to the motor 16 and the motor 16 rotates and the movable rigid train line moves toward the retreat point. However, the contact point of the limit switch 25 is reached when the retreat end point is reached. Is connected (b contact is cut), the power feeding circuit is short-circuited and the motor 16 stops.
[0033]
Further, when the switch 27 is switched to the return side and the power is supplied, the motor 16 rotates in the reverse direction and the movable rigid train line moves in the return direction from the retracted point. In this case as well, when the return end point is reached, the limit switch 26 is activated, the power feeding circuit is short-circuited via the contact a of the switch, and the motor 16 is stopped. Therefore, excessive movement of the movable rigid train line can be prevented without using an expensive brake motor that consumes a large amount of power.
[0034]
Reference numeral 28 in FIG. 8 denotes a lock device that holds the movable rigid train line 15 in a fixed position and a retracted position. The locking device 28 is locked and unlocked by pushing and pulling the locking tool 28a with an electric cylinder 28b attached to the ceiling portion of the lane 1.
[0035]
The electric cylinder 28b is provided with a limit switch for stop control that is operated using the displacement of the output rod. When the output rod of the cylinder is pushed out, the locking tool 28a is locked to the frame of the support portion 13 and the movable rigid train line 15 is locked (stopped), and when the output rod is pulled back, the lock is released.
[0036]
The electric cylinder 28b can be supplied with electric power from both the normal power source and the power generation unit 17, so that even if the normal power source is down, the electric cylinder 28b is operated by the electric power from the power generation unit 17 and locked. Unlocking can be done without human intervention.
[0037]
【The invention's effect】
As described above, in the present invention, human power is once converted into electricity, transmitted to a moving motor via a power feeding cable, and the movable rigid train line is moved by the power of the motor. Is not required, and the construction becomes easy and the construction cost can be reduced.
[0038]
In addition, since the power transmission path is shortened and is not easily affected by distortion of the rough road, the number of places for maintenance and inspection is reduced, and malfunctions due to reduced accuracy are less likely to occur and reliability is improved.
[0039]
Furthermore, since the electricity transmission path can be made longer than the direct power transmission path, it is possible to improve the emergency response by bringing the installation point of the power generation unit closer to the station building or the like.
[0040]
In addition, even when the regular power supply cannot be used, the electric locking device can be operated by supplying power from the power generation unit, thus eliminating the need for manual locking and unlocking and increasing the safety of emergency work. You can also.
[0041]
In addition, those that generate power by increasing the rotation of the manual handle and those that stop the moving motor by the control circuit also have the effect that the labor for rotating the handle can be greatly reduced compared to the conventional case.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing an outline of an embodiment. FIG. 2 is a bottom view showing a main part in a simplified manner. FIG. 3 is a side view showing details of the embodiment. ] Plan view of the power generation unit [FIG. 6] Front view of the above unit [FIG. 7] Diagram showing the control circuit [FIG. 8] Diagram showing the lock state by the lock device
1 Railway 2 Rail 5 Rigid Train Line 10 Mobile Rigid Train Line 11 Guide Rail 12 Elevated Pulley 13 Supporting Section 14 Insulator 15 Movable Rigid Train Line 16 Feeding Mechanism 16a Motor for Movement 17 Power Generation Unit 17a Manual Handle 17b Speed Booster 17c Power Generation 17e, 17f Gear 18 Power supply cable 25, 26 Limit switch 27 Changeover switch 28 Locking device 28a Electric cylinder

Claims (5)

A part of a rigid train line installed on the ceiling of the sway is formed by a movable rigid train line (15) provided movably along a guide rail (11) fixed to the ceiling part of the sway , and the movable rigid body in mobile rigid catenary to retract from the position the contact line (15) at the time of need,
A moving motor (16a) and a feed mechanism (16) for moving the movable rigid train line (15) using the moving motor (16a) as a power source are provided near the ceiling of the slide way along the movable rigid train line. side power generation unit of the human power drive (17) provided on, its power from the power generation unit (17) transmits the in moving motor (16a) supply cable (18) is provided, generated in the power generating unit (17) power is supplied to the moving motor (16a) via the power supply cable (18), movable rigid catenary, characterized in that make moving the movable rigid catenary (15) by the power of the motor. Movement of the movable rigid catenary (15) comprises a motorized locking device for holding in position and the retracted position (28), according to claim 1, wherein the electric power is supplied from the power generating unit (17) to the locking device Formula rigid train line. The power generation unit (17) movable rigid catenary according to claim 2 which features a power supply for driving the motor driving and locking device separate system from the. Wherein as a generator unit (17), a generator comprising a direct current motor (17c), and a manual handle (17a), gearbox transmitted to the generator by increasing the rotation speed of the manual handle (17c) (17b) The mobile rigid train line according to any one of claims 1 to 3, wherein the mobile rigid train line is used. The movement motor power supply circuit by shorting the from the power generation unit at a position where the movable rigid catenary (15) has finished returned to position and place finished retracted (17) wherein the moving motor (16a) The mobile rigid train line according to claim 1, further comprising a control circuit for stopping.

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