JP2834665B2 - Traveling device for the audit corridor inside the dam dam - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling device for an inspection corridor in a dam dam.

[0002]

2. Description of the Related Art Generally, as shown in FIGS. 6 to 8, a tunnel-shaped inspection corridor 2 through which workers pass for various inspections is formed in a dam dam 1.

[0003] Usually, the inspection corridor 2 has a very long distance and a considerably steep slope, and if an operator walks back and forth through the inspection corridor 2 for various inspections, etc. Since the burden is very large and workability is deteriorated, FIG.
A traveling device as shown in FIG.

In the traveling device, a fixed rail 3 is laid on the ceiling of the inspection corridor 2, and a carrier body 4 having a driving device and capable of getting on and off the worker is hung on the fixed rail 3 so as to be able to travel. Things.

[0005]

In the traveling device for an inspection corridor in a dam embankment as described above, the inspection corridor 2 is formed with a bent portion 2a which is bent at an angle of about 90 ° as shown in FIG. In this case, the fixed rail 3 is curved at a desired curvature just enough to cause the carriage body 4 to be bent. However, if the fixed rail 3 is curved at a desired curvature as described above, in order to avoid interference with the carriage body 4. The wall of the inspection gallery 2 at the center of curvature of the curved fixed rail 3, that is, the bent portion 2 a of the inspection gallery 2
It is necessary to modify the cross-sectional shape of the inspection corridor 2 by shaping the corners of the inner wall surface of the inspection corridor as shown by the phantom line in FIG. There was a disadvantage that it was not very favorable for the dam 1.

The present invention has been made in view of the above-mentioned circumstances, and provides a traveling device for an inspection corridor in a dam dam, which can eliminate the need for hanging a wall at a bent portion of the inspection corridor and does not need to modify the cross-sectional shape of the inspection corridor. Is what you do.

[0007]

SUMMARY OF THE INVENTION The present invention provides a fixed rail laid in an inspection corridor in a dam embankment, a carrier body provided along the fixed rail so that an operator can get on and off the vehicle, and Move the transporter body along the fixed rail
A driving device having two sets of the drive system, and turning rail the arranged pivotally so as to be the bent portion of the inspection gallery connectable to the fixed rail and the carriage main body allowed to change direction, the driving of the carriage body Before to supply electricity to the device
Fixing a feed line which is laid along the serial fixed rail, the handed
Attached parallel to the turn rail, the fixed feeder
Electrically connected and forward in response to the pivoting of the pivoting rail
And a turning power supply line that can be located on an extension of the fixed power supply line .

[0008]

Therefore, in a state where one end of the turning rail is connected to one fixed rail extending to the bent portion of the inspection corridor, the carrier body travels along the one fixed rail and is inserted into the bent portion of the audit corridor. Then, the transporter main body moves from the one fixed rail to the turning rail.

When the carrier body is completely transferred from the one fixed rail to the swing rail, the carriage body stops, the swing rail swings by a required angle, and the other end of the swing rail extends to the bent portion of the inspection corridor. Connected to the other fixed rail.

When the other end of the turning rail is connected to the other fixed rail, the transporter main body moves from the turning rail to the other fixed rail, and travels along the other fixed rail.

As a result, as compared with the conventional case in which the fixed rail is bent at a desired curvature just enough to bend the transporter main body at the bent portion of the inspection corridor, when the transporter main body bends the bent portion of the audit corridor. The trajectory hardly slips inside the bent portion of the audit corridor. In addition, the carrier body runs along fixed rails
Since the drive unit has two sets of drive systems,
Should one drive system break down during various inspections, etc.
Can be driven by the other drive system.
There is no worry about disability.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 5 show an embodiment of the present invention, in which a swivel rail is provided between two fixed rails 3, 3 extending toward the bent portion 2a of the inspection gallery 2 so as to form an angle of about 90 ° with each other. 5
Is rotatably disposed so as to be connectable to the fixed rail 3.

The turning rail 5 is provided at the bent portion 2 of the inspection corridor 2.
It is fixed to a ring 7 which is rotatably attached to the ceiling part a via a bearing 6.

An arc-shaped sprocket 8 is integrally fixed to the lower surface of the ring 7, and a chain 12 is interposed between the sprocket 8 and a driving sprocket 11 driven by a turning motor 9 via a speed reducer 10. A bracket 1 having a chain 12 protruding from the ring 7 at both ends of the chain 12.
It is fixed to 3.

On the other hand, the transporter body 4 on which the operator can get on and off
It is suspended by a drive device 14 that can travel along the fixed rail 3 and can move from the fixed rail 3 to the swing rail 5.

The drive unit 14 includes racks 15 and 1 integrally provided on the lower surfaces of the fixed rail 3 and the swing rail 5.
6, a pinion 19 meshed with the traveling motor 17 and driven to rotate by a traveling motor 17 via a speed reducer 18, a traveling wheel 20 rotatable along the flange 3a of the fixed rail 3 and the flange 5a of the turning rail 5, Web 3b of rail 3
And a guide roller 21 that can roll along the web 5b of the turning rail 5. In this embodiment, two sets of drive systems including the traveling motor 17, the speed reducer 18, and the pinion 19 are provided. However, even if one drive system fails, the other drive system is used. This is to enable the system to run.

In the figure, reference numeral 22 denotes an auxiliary roller which engages with a groove 7a formed on the outer periphery of the ring 7 to support the rotation of the ring 7 and 23 denotes a turning rail 5 connected to one of the fixed rails 3. By engaging with the end of the other fixed rail 3 when it is performed, a stopper for preventing the transporter main body 4 from running and derailing from the other fixed rail 3, 2.
4 is a fixed feeder line laid along the fixed rail 3 to supply electricity to the traveling motor 17 of the transporter body 4, 25 is attached below the ring 7 in parallel with the turning rail 5,
The turning power supply line is electrically connected to the fixed power supply line 24 by a cable (not shown), and can be located on an extension of one of the fixed power supply lines 24 according to the turning of the turning rail 5.

Next, the operation of the above embodiment will be described.

For example, as shown in FIGS. 2 and 3, one end of the turning rail 5 and one end of the turning power supply line 25 are connected to the fixed rail 3 and the fixed power feeding line 24 extending in the horizontal direction in the figure, respectively. When the carrier body 4 travels along the fixed rail 3 extending in the left-right direction by driving the pinion 19 of the driving device 14 and reaches the bent portion 2a of the inspection corridor 2, the carrier body 4 is moved from the fixed rail 3 to the turning rail. Transfer to 5.

When the transporter main body 4 is completely transferred from the fixed rail 3 to the turning rail 5, the transporter main body 4 stops, and
A driving sprocket 11 is driven by a swing motor 9 via a speed reducer 10, and a ring 7 is
It turns approximately 90 ° counterclockwise, and the other end of the turning rail 5 and the other end of the turning power supply line 25 are connected to the fixed rail 3 and the fixed power supply line 24 extending vertically in FIG.

The other end of the turning rail 5 and the turning power supply line 25
2 is connected to the fixed rail 3 extending vertically in FIG. 2 and the fixed feeder line 24, the transporter body 4 is driven by the pinion 19 of the driving device 14 to extend vertically from the swivel rail 5 in FIG. Transfer to the rail 3 and the fixed rail 3
Follow along.

As a result, as compared with the conventional case where the fixed rail 3 is bent at a desired curvature just enough to bend the carriage main body 4 at the bent portion 2a of the inspection corridor 2, the carriage main body 4 is bent at the inspection corridor 2. The trajectory when bending the portion 2a hardly shifts inside the bent portion 2a of the inspection corridor 2.

In this manner, the wall of the bent portion 2a of the inspection corridor 2 does not need to be hung, and the sectional shape of the inspection corridor 2 does not need to be corrected.

It should be noted that the traveling device for the inspection corridor in the dam embankment of the present invention is not limited to the above-described embodiment, and it is needless to say that various changes can be made without departing from the gist of the present invention. is there.

[0026]

As described above, according to the traveling device for the inspection corridor in the dam embankment of the present invention, it is not necessary to suspend the wall at the bent portion of the inspection corridor, and it is necessary to correct the sectional shape of the inspection corridor. As well as the carrier body along the fixed rail
Drive system with two sets of drive systems
Therefore, even if one of the drive systems fails,
The other drive without any trouble at the time of various inspections
An excellent effect that the vehicle can run in the system can be obtained.

[Brief description of the drawings]

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

FIG. 2 is a view taken in the direction of arrows II-II in FIG.

FIG. 3 is a view taken in the direction of arrows III-III in FIG. 1;

FIG. 4 is a view taken in the direction of arrows IV-IV in FIG. 1;

FIG. 5 is a schematic plan view showing a bent portion of an inspection corridor to which one embodiment of the present invention is applied.

FIG. 6 is an overall sectional view showing an inspection corridor of a dam embankment.

FIG. 7 is a sectional view taken along line VII-VII of FIG. 6;

8 is a sectional view taken along line VIII-VIII of FIG.

FIG. 9 is a side view showing an example of a conventional traveling device for an inspection corridor in a dam dam.

FIG. 10 is a plan view showing a state in which a fixed rail of the traveling device for the inspection corridor in the dam dam is curved at a bent portion of the inspection corridor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dam dam 2 Audit corridor 2a Bending part 3 Fixed rail 4 Carrier body 5 Swing rail

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Shinichiro Yamada Kumamoto Prefecture Kikuchi City Okuma Kumafu 1064-1 (72) Inventor Omura Takeyuki Kumamoto Prefecture Kikuchi City Okuma Kumafu 1059 (72) Inventor Yasuyuki Tanaka Chiba City Chiba City Wakaba 1800-169, Kasori-cho, Ward (72) Inventor Kenji Ishikawa 654-60, Higashimiyashita, Omiya City, Saitama Prefecture (72) Inventor Hideaki Uchino 849-1 Baraki, Nirayama-cho, Tata-gun, Shizuoka Prefecture (56) References JP 52-104333 ( JP, A) Japanese Utility Model Showa Sho 60-115903 (JP, U) Japanese Utility Model Showa Sho 62-2591 (JP, U)

Claims (1)

(57) [Claims] 1. A fixed rail laid in an inspection corridor in a dam embankment, a carrier body provided so as to be able to travel along the fixed rail, and on which an operator can get on and off, and the carrier body is moved along the fixed rail. Two sets
Of a drive having a drive system, and the pivotally arranged to the bent portion of the inspection gallery becomes connectable to the fixed rail and the carriage pivot rail body allowed to change direction, the driving device of the carriage body Said solid to supply electricity
A fixed feeder line laid along a fixed rail; and
And electrically responds to the swing of the swing rail.
Swivel feeder that can be located on an extension of the fixed feeder
A traveling device for an inspection corridor in a dam dam, comprising: