JPH0417872B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a transfer motor or a hoist for a transport machine (i.e., a crane) that travels on the ceiling of a building such as a warehouse or a parking lot, and for reciprocating the transport machine. A power supply and control cable installed in one corner of the building supplies power to electric equipment such as the traverse motor that moves the girder to which the conveyor is attached, and the cable that transmits and receives control signals. The present invention relates to a wiring device for wiring from a panel to its electrical equipment.

[Conventional technology]

Traditionally, cable systems have been used as the simplest method for supplying power and transmitting/receiving control signals to such overhead transport machines, while trolley systems have also been used, and more recently, optical transmission has been used. A method is also emerging.

However, the trolley method is good when the number of wires is small, such as when only power is supplied, but if control signals are sent and received to and from the transport machine, it becomes impractical due to noise, reliability, and safety issues. There's a problem. Furthermore, in the case of optical transmission systems, there are problems such as optical angle differences due to movement and vibration of both transmitting and receiving equipment, limits on transmission distance, and environmental problems such as air.

For these reasons, a cable system has been widely used as the most reliable system for supplying power to an overhead traveling carrier and transmitting/receiving control signals.

Furthermore, if the building such as a warehouse or parking lot is large, or if the building has multiple floors above the warehouse or parking lot, pillars and walls should be installed at appropriate locations inside the warehouse or parking lot to prevent ceilings. It becomes necessary to support the weight of the upper layer.

For this reason, in such warehouses and parking lots, a running rail is usually fixed to the ceiling in the depth direction from the entrance of the warehouse or parking lot, and transverse rails that are orthogonal to the running rail are installed on both sides of the running rail, such as pillars or A large number of conveyors are arranged while avoiding walls, and the conveyor is reciprocated along the traveling rail, and also reciprocated along an appropriately selected traversing rail.

[Problem that the invention seeks to solve]

In this way, in an overhead traveling conveyor machine that has a large number of traversing rails on both sides of the traveling rail, if a cable method is adopted as a method for supplying power to the electric equipment of the conveyor machine and transmitting and receiving control signals, the power supply and It is necessary to devise ways of wiring cables to ensure smooth transmission and reception.

Therefore, the present invention provides such a traveling rail,
It is an object of the present invention to provide a novel cable wiring device for supplying, transmitting and receiving power to an overhead traveling carrier that reciprocates along a large number of traversing rails provided on both sides of the traveling rail.

[Means for solving problems]

Therefore, the cable wiring device for an overhead traveling carrier according to the present invention is characterized by a traveling rail fixed along one direction of the ceiling of a building, and a traveling rail arranged in a direction perpendicular to the traveling rail and along the traveling rail. a girder that is movable back and forth along the girder; a carrier that is movable back and forth along the girder; An overhead traveling transport machine comprising a movable horizontal rail and a cable for supplying power to electrical equipment attached to the transport machine from a power supply and control panel installed in a corner of the building and for transmitting and receiving control signals. In the cable wiring device, a cable rail fixed along the running rail, a pair of cable rails fixed parallel to the girder, and a relative spacing between the girder and the cable rail parallel to the transverse rail. a pair of cable rails fixed at equal relative intervals; and a cable rail capable of reciprocating along the pair of cable rails parallel to the girder, spanning the pair of cable rails, and parallel to the transverse rail. The present invention is provided with a transition fitting that can be moved back and forth along a pair of cable rails.

Then, the cable is connected from the power source and the control panel to a cable rail along the traveling rail, one cable rail parallel to the girder,
The wiring is connected to the electrical equipment of the carrier by passing through the transition fitting and the other cable rail parallel to the girder, and the carrier is connected to the transverse rail located on one side of the traveling rail from the girder. When the cable is moved back and forth along the one cable rail parallel to the girder, the portion of the cable that is routed along the one cable rail expands and contracts, and the conveyor moves from the girder to the transverse rail located on the other side of the traveling rail. When reciprocating along the girder, the portion of the cable routed along the other cable rail parallel to the girder expands and contracts.

[Effect]

The function of the cable wiring device for an overhead traveling carrier according to the present invention is that when the girder and the carrier move back and forth along the traveling rail, the portion of the cable along the cable rail provided along the traveling rail expands and contracts. When the machine reciprocates along the transverse rail on one side of the traveling rail, the transition fitting is locked to the cable rail parallel to the girder, and the portion of the cable along one cable rail parallel to the girder expands and contracts. When the conveyance machine reciprocates along the traverse rail on the other side of the running rail, the crossing fitting is locked to the conveyance machine, and the portion of the cable along the other cable rail parallel to the girder expands and contracts.

[Examples] Examples of the present invention will be described below with reference to the drawings.

First, the configuration of the overhead traveling conveyor according to the present invention will be explained.

FIG. 1 is an overall plan view of an embodiment of a cable wiring device for an overhead traveling carrier according to the present invention, FIG. 2 is an enlarged perspective view as seen from the direction of FIG. 1, and FIG. 3 is an enlarged perspective view from the direction of FIG. 1. Enlarged front view, Figure 4 is the 1st
FIG. 3 is an enlarged perspective view seen from the direction of the figure.

In the same figure, the cross section of the beam 2 formed in the depth direction from the entrance (direction A in FIG. 1) to the back (direction B in FIG. 1) of the ceiling 1 of a building, for example, is Pair of parallel running rails 3, 4
is fixed, and these running rails 3 and 4 extend over almost the entire length of the building in the depth direction (A-B direction).

A cable rail 5 having a channel-shaped cross section is fixed to the lower surface of one of the running rails 3 over almost the entire length of the running rail 3. Note that, in FIG. 1, the cable rail 5 is shown parallel to the running rail 3 to make the explanation easier to understand.

A saddle 7 is attached to the lower surface of the traveling rail 3 and the cable rail 5 via a pair of wheels 6 so as to be able to reciprocate along the traveling rail 3 and the cable rail 5. , a saddle 9 is attached via a pair of wheels 8 so as to be reciprocally movable along the running rail 4. The lower surfaces of the saddles 7 and 9 are fixed by a pair of parallel girders 10 and 11, which extend in a direction perpendicular to the running rails 3 and 4 and have, for example, a molded cross section. Then, the integral saddles 7 and 9 and the girder 10,
11 can be reciprocated in the depth direction along the running rails 3 and 4 by a running motor 12 attached to one of the saddles 7.

On the lower surface of each of the girders 10 and 11, another saddle 13, 14 is provided with a pair of wheels 15, 14, respectively.
16, the saddles 13 and 14 are attached so as to be reciprocally movable along the girders 10 and 11.
A conveyor (ie, a crane) 17 is fixed to the lower surface of the . A traverse motor 18 attached to one of the saddles 14 allows the saddles 13, 14 and the carrier 17 to integrally move back and forth along the girders 10, 11 in a direction orthogonal to the travel rails 3, 4. Become.

On the A-direction side of the girders 10, 11, a pair of parallel cable rails 19, 20 having a channel type (same cross section as the cross section of the cable rail 5 parallel to the running rails 3, 4) are parallel to the girders 10, 11. The girders 10, 11 and the cable rail 19,
20 is integrally fixed on the outside of the traveling rails 3 and 4 by fixing fittings 21 and 22.
Therefore, the girders 10, 11, the cable rail 1
9, 20 and the conveyor 17 integrally move back and forth in the AB direction along the running rails 3, 4.

Beams 2 formed in the frontage direction of the ceiling 1 (C-D direction in FIG. 1) on both sides of the running rails 3 and 4
A pair of horizontal rails 24, 25 and a pair of cable rails 26, 27 are fixed to the lower surface of the rail 3 in a direction orthogonal to the running rails 3, 4. The transverse rails 24, 25 and the cable rails 26, 27 are the girders 10, 11 and the cable rail 1, respectively.
It has the same cross section as 9 and 20, and is arranged at an interval so as to face them.

The ends of the transverse rails 24, 25 and cable rails 26, 27 and the ends of the girders 10, 11 and cable rails 19, 20 are
0, 11 and the cable rails 19, 20 do not come into contact with each other when reciprocating in the A-B direction along the running rails 3, 4, and furthermore, the wheels 15, 16 of the saddles 7, 9 to which the carrier 17 is fixed are Girder 10,
11 to the transverse rails 24, 25, and which moves along the cable rails 19, 20 together with the carrier 17, as will be described later. They are arranged with a suitable gap so that they can be transferred.

The combination of these transverse rails 24, 25 and cable rails 26, 27 is arranged in an appropriate number on both sides of the traveling rails 3, 4 at appropriate positions in the building, avoiding obstacles such as pillars and partitions. be done.

FIG. 5 shows the first part of the cable rails 19, 20 that are integrally fixed to the girders 10, 11.
An enlarged perspective view seen from the direction shown in the figure (and FIG. 2),
6 is a side view seen from the direction of FIG. 5, and FIG. 7 is a plan view seen from the direction of FIG. 5.

In the same figure, the cable rail 1 of the carrier 17
A piston mechanism 30 from which a rod 29 protrudes and retracts is fixed to the side facing 9 and 20 via a bracket 28 (see also FIG. 2), and furthermore, at an appropriate position of the conveyor 17, bracket 31
via the limit switch 32 and the protrusion plate 33.
is fixed.

On the other hand, saddles 36 and 37 are attached to each of the cable rails 19 and 20 via wheels 34 and 35 so as to be able to reciprocate along the cable rails 19 and 20, and the saddles 36 and 37 are connected to each other by a bridge fitting 38. It is connected and fixed. Therefore, saddle 3
6, 37 and the connecting fitting 38 are connected to the cable rail 1.
It is possible to integrally reciprocate in the C-D direction along lines 9 and 20. In addition, cable rails 19 and 20
A fixture 39 is fixed near the center of the fixture 39, and a fixture stopper 40 extends around the center of the fixture 39.
is fixed downward. For this reason, saddle 3
6, 37 and the transition fitting 38 are connected to the cable rails 19, 2 on the D direction side with respect to the transition fitting stopper 40.
It is possible to reciprocate along the direction 0, and cannot move toward the direction C beyond the stopper 40 of the connecting fitting.

U-shaped loop fittings 41 and 42 are fixed to both sides of the lower surface of the transition fitting 38, and the loop of the loop fitting 41 that is closer to the conveyor 17 is in which the conveyor 1 is fixed.
The tip of the rod 29 of the piston mechanism 30 fixed at 7 can enter and escape. This mechanism constitutes a locking mechanism when moving the transition fitting 38 in the D direction.

Also, the cable rail 1 closer to the carrier 17
A limit switch 44 and a protrusion plate 45 are fixed at appropriate positions on the surface of the transfer unit 9 facing the conveyance machine 17 via a bracket 43, and the limit switch 44 is operated by a protrusion plate 33 fixed to the conveyance machine 17 side. The protrusion plate 45 can operate the limit switch 32 fixed to the conveyor 17 side.

Furthermore, a rod 47 is attached to an appropriate position on the outside of the cable rail 20 on the side farther from the carrier 17 via a bracket 46 fixed to the fixing metal fitting 22.
A piston mechanism 48 in which the piston protrudes and retracts is fixedly arranged. The tip of this rod 47 can enter into and escape from the loop of another loop fitting 42 fixed to the lower surface of the transition fitting 38. This mechanism constitutes a stopper mechanism that prevents the transition fitting 38 from moving in the C direction.

Then, the rod 29 of the piston mechanism 30 fixed to the carrier 17 side is protruded or retracted by the limit switch 32 fixed to the carrier 17 side, and by the limit switch 44 fixed to the cable rail 19 side, The rod 47 of the piston mechanism 48 fixed to the fixture 22 side is protruded or retracted.

The above-mentioned traveling motor 12, traverse motor 18, transfer motor (not shown), hoist (not shown), etc. of the carrier 17 are connected to a power source (not shown) or a control device installed near the entrance of the building, for example. Electric power is supplied from a panel (not shown) via a cable that includes power supply lines and control wires, and control signals are transmitted and received.

The configuration of the cable wiring device will be described below.

In FIG. 1, the cable 50 coming out of the power supply and control panel is fixed to the end of the cable rail 5 along one of the running rails 3 on the entrance/exit side (direction A) with an appropriate holder (not shown). , is routed from the holder along the lower surface of the cable rail 5. As shown in FIG. 1, FIG. 2, and FIG. 2
A cable 50 is fixed to a cable hanger 53 which is fixed to the cable hanger 53 via a bracket 52 and is movable back and forth along the cable rail 5. The length of the cable 50 routed along the cable rail 5 is the length from the holder on the entrance/exit side to the cable hanger 53a when the girders 10, 11, etc. are fully moved in the direction B along the running rails 3, 4. The cable 50 having the necessary length and extending from the holder to the cable hanger 53a is referred to as a cable 50a.

Although a flat cable is shown as the cable 50, it goes without saying that a round cable or any other suitable cable may be used.

Cable hangers 53 having the same shape as the cable hanger 53a are fixed to the cable 50a at appropriate intervals, and the cable hangers 53 are attached to be movable back and forth along the cable rail 5.

FIG. 8 is a perspective view showing an example of the cable hanger 53.

In the figure, the cable hanger 53 has two pairs of wheels 55 attached to a base member 54, a T-shaped hanger member 56 fixed to the base member 54, and a T-shaped hanger member 56 fixed to the base member 54.
Attach a semi-cylindrical saddle plate 57 to the lower surface of 6 with bolts 58.
and is configured by tightening and fixing with a nut 59.

The cable 50a is connected to the bolt 5 between the hanger member 56 of the cable hanger 53 and the saddle plate 57.
8 and a nut 59 to fix it. Then, the cable hanger 53 to which the cable 50a is fixed is fitted to the cable rail 5,
By reciprocating along the cable rail 5, the cable 50a can expand and contract along the cable rail 5.

In FIGS. 1, 2, and 3, the cable 50a, which is fastened to a cable hanger 53a held by a bracket 52 fixed to the cable rail 20, is then fixed to the cable rail 20.
A part of the cables enters the distribution board 60 fixed on the top surface, and from this distribution board 60 some cables are connected to the girders 10 and 11.
The remaining cable 50b is routed along the lower surface of the cable rail 20.

In Figures 1 and 5, the cable rail 2
The cable 50b routed along the cable rail 20 is connected to a saddle 37 that is movable back and forth along the cable rail 20.
The cable hanger 53b is fixed to the cable hanger 53b. The length of the cable 50b from the distribution board 60 to the cable hanger 53b is as shown in FIG. , 27, it has the necessary length from the distribution board 60 to the cable hanger 53b. The cable 50b is connected to the distribution board 60 and the cable hanger 5.
3b is held by cable hangers 53 at appropriate intervals, and the cable hangers 53
is attached to the cable rail 20 so as to be able to reciprocate along the cable rail 20.

Cable 5 fixed to cable hanger 53b
0b is a connecting portion 50c following the cable 50b, and the connecting portion 50c is a cable hanger 53 fixed to the saddle 36 that reciprocates together with the crossing fitting 38 along the other cable rail 19.
held at c. The cable then makes a U-turn to become the cable 50d, is routed along the cable rail 19, and is transferred to the carrier 17 as shown in FIG.
The cable hanger 53d is tightened and held by a cable hanger 53d held by a support 61 fixed to the cable hanger 53d. The length of the cable d between the cable hanger 53c and the cable hanger 53d is such that when the carrier 17 moves fully in the C direction along the left side transverse rails 24 and 25 in FIG. The length is set to be the length required for the length from the cable hanger 53c to the cable hanger 53d fixed to the support 61 when the cable hanger 53c is in contact with the bridge stopper 40. The cable 50d is held by the cable hanger 53, which moves back and forth along the cable rails 19 and 26 at an appropriate interval between the cable hangers 53c and 53d.

Cable 5 held by cable hanger 53d
0d is then connected to the switchboard 62 (see FIG. 4), and then to the transfer motor and hoist of the carrier 17.

FIG. 9 is a side view showing the relationship between the cable rails 19, 20, the cable hanger 53, and the cables 50b, 50d.

Next, the operation of the cable wiring device for an overhead traveling carrier according to the present invention will be explained.

In FIG. 1, a conveyor 1 is attached to the girders 10 and 11.
When the travel motor 12 is rotated with the cable rails 7 fixed, the girders 10, 11, cable rails 19,
20 and the conveyor 17 integrally move back and forth in the AB direction along the running rails 3 and 4. Along with this, the cable hanger 53a reciprocates along the cable rail 5 together with the cable rail 20, etc., and therefore the holder (not shown) fixed to the end of the cable rail 5 in the A direction and the cable hanger 53a The cable 50a expands and contracts along the cable rail 5 while moving the cable hangers 53 attached to the cable 50a at appropriate intervals along the cable rail 5. That is, when the girders 10 and 11 move fully in the A direction, the cable 50a is fully compressed, and when the girders 10 and 11 fully move in the B direction, the cable 50a is fully extended.

In this state, as shown in FIGS. 6 and 7, the piston mechanism 48 fixed to the fixture 22
The rod 47 protruding from the cross member 38 is inserted into the loop of the loop fitting 42 fixed to the transition fitting 38, and the rod 29 of the piston mechanism 30 fixed to the carrier 17 side is recessed into the other loop. It is not engaged with the metal fitting 41.

In FIG. 1, by rotating the travel motor 12,
The girders 10, 11, the cable rails 19, 20, and the carrier 17 are integrally moved along the running rails 3, 4, and the girders 10, 11 and the cable rails 19, 20 are moved to the left side of the running rails 3, 4 (first In the figure, a selected set of transverse rails 24,
25 and the cable rails 26 and 27, the traveling motor 12 is stopped.

From the state shown in FIG. 1, when the traverse motor 18 is rotated to one side as shown in FIG.
11 in the direction C perpendicular to the running rails 3 and 4, as shown in FIG.
3, 14 and the conveyor 17 move the girder 10,
11, transfer to the transverse rails 24 and 25 and move.

At this time, as shown in FIG. 7, the rod 47 of the piston mechanism 48 is inserted into the loop of the loop fitting 42 fixed to the connecting fitting 38, and the connecting fitting 38 is also inserted into the connecting fitting stopper 40. Since further movement in the C direction is thus prevented, the transition fitting 38 remains in that position. Therefore,
As shown in FIG. 5, a cable hanger 53c held by a saddle 36 fixed to a transition fitting 38 is attached to the cable rail 19 closer to the carrier 17, and as shown in FIG. As the carrier 17 moves, the cable 50d extends along the cable rail 19 and the cable rail 26 between the cable hanger 53d and the cable hanger 53d held by a support 61 fixed to the carrier 17.

During this time, on the other cable rail 20, the cable 50d remains contracted and remains unmoved between the distribution board 60 and the cable hanger 53 fixed to the transition fitting 38.

In FIG. 10, when the carrier 17 moves fully in the C direction, the cable 50d is fully extended.

From this state, when the traverse motor 18 is rotated in the opposite direction and the conveyor 17 is returned in the direction D, the cable 50d is contracted, returning to the state shown in FIG.

From the state shown in FIG.
When rotated in the opposite direction, the saddles 13, 14 and the conveyor 17 move in the D direction, as shown in FIG. Then, in FIG. 7, by the protruding plate 45 fixed to the cable rail 19,
The limit switch 32 fixed to the carrier 17 is struck, and the piston mechanism 3 fixed to the carrier 17
The 0 rod 29 protrudes and enters the loop of the loop fitting 41. Next, when the carrier 17 is further moved in the D direction, the protrusion plate 33 fixed to the carrier 17 hits the limit switch 44 fixed to the cable rail 19, and the rod 47 of the piston mechanism 48 fixed to the fixture 22 is released. It sinks in and escapes from the loop fitting 42. Therefore, the transition fitting 38 can be moved together with the carrier 17.

In FIG. 11, when the saddles 13, 14 and the conveyor 17 are further moved in the D direction, the crossing bracket 3
8 moves together with the carrier 17, and the saddles 13,1
4 and the carrier 17 are transferred to the transverse rails 24 and 25, and the transition fitting 38 is transferred to the cable rails 26 and 27. Therefore, in the cable rail 20 farther from the carrier 17, the cable 50b between the cable hanger 53b fixed to the saddle 37 integrated with the transition fitting 38 and the electricity distribution board 60 extends.

During this time, on the cable rail 19 closer to the carrier 17, the cable 50d between the cable hanger 53c and the cable hanger 53d moves together with the carrier 17 and the crossing fitting 38 while remaining in a contracted state.

In FIG. 11, when the saddles 13, 14 and the carrier 17 are fully moved in the direction D, the cable 5
0b is fully extended.

From this state, when the traverse motor 18 is rotated in the opposite direction again, the saddles 13, 14 and the carrier 17 are rotated.
begins to return to direction C. When the saddles 13, 14 and the carrier 17 are further moved in the C direction, the saddles 13, 14 and the carrier 17 are moved to the girders 10, 11.
Then, the saddles 36, 37 and the connecting fittings 38 are transferred to the cable rails 19, 20, respectively. Next, in FIG. 7, the protrusion plate 33 fixed to the carrier 17 hits the limit switch 44 fixed to the cable rail 19, and the rod 47 of the piston mechanism 48 fixed to the fixture 22 protrudes, causing the loop bracket 42 to protrude. plunge into the loop. When the carrier 17 further moves in the C direction, the protrusion plate 45 fixed to the cable rail 19 moves to the carrier 17.
Hit the limit switch 32 fixed to the rod 2 of the piston mechanism 30 fixed to the conveyor 17.
9 retracts and escapes from the loop of the loop fitting 41, thus returning to the original state shown in FIG.

〔Effect of the invention〕

As explained above, according to the cable wiring device for an overhead traveling carrier of the present invention, in an overhead traveling carrier in which a large number of traversing rails are provided on both sides of the traveling rail, the carrier moves back and forth along the traveling rail. The cable expands and contracts appropriately not only when the transporter moves back and forth along either side of the traveling rail, but also when the transporter moves back and forth along the transverse rails on both sides of the travel rail, so it is possible to supply power and control signals to electrical equipment attached to the girder or transporter. The effect is that the transmission and reception of data is carried out safely and reliably.

[Brief explanation of drawings]

FIG. 1 is a plan view showing the overall configuration of an embodiment of a cable wiring device for an overhead traveling conveyor according to the present invention, and FIG.
The figure is an enlarged perspective view seen from the direction of figure 1, figure 3 is an enlarged front view seen from the direction of figure 1, figure 4 is an enlarged side view seen from the direction of figure 1, figure 5 is An enlarged perspective view seen from the direction of Figure 1, Figure 6 is the 5th
Figure 7 is an enlarged side view seen from the direction shown in the figure, Figure 7 is an enlarged plan view seen from the direction shown in Figure 5, Figure 8 is an enlarged perspective view of the cable hanger, and Figure 9 is a cable rail fixed parallel to the girder. FIGS. 10 and 11 are side views showing the relationship between the cable rail and cables attached thereto, and FIGS. 10 and 11 are plane views similar to FIG. It is a diagram. 1...Ceiling, 3,4...Traveling rail, 5,1
9, 20, 26, 27...cable rail, 1
0, 11...Girder, 12...Travel motor, 17
...Conveyor, 18...Transverse motor, 24, 25...
...traverse rail, 29,47...rod, 30,4
8... Piston mechanism, 32, 44... Limit switch, 33, 45... Protruding plate, 38... Transit fitting, 41, 42... Loop fitting, 50, 50a~
50d...Cable, 53, 53a to 53d...
cable hanger.

Claims (1)

[Claims] 1. A running rail fixed along one direction of the ceiling of a building, a girder arranged in a direction perpendicular to the running rail and movable back and forth along the running rail, and a girder movable back and forth along the girder. a transverse rail that is fixed to the ceiling on both sides of the running rail in the same direction as the girder and that allows the transporter to move back and forth by transferring from the girder, and a power source installed in a corner of the building. and a cable for supplying power from a control panel to electrical equipment attached to the carrier and transmitting and receiving control signals, a cable wiring device for an overhead traveling carrier,
A cable rail fixed along the running rail, a pair of cable rails fixed parallel to the girder, and a pair of cable rails fixed parallel to the transverse rail at a relative spacing equal to the relative spacing between the girder and the cable rail. a pair of cable rails that are reciprocally movable along a pair of cable rails that are parallel to the girder, that span the pair of cable rails, and that are parallel to the transverse rails; The conveying machine is equipped with a connecting fitting that can be moved back and forth along the running rail, and a telescopic cable is routed via the connecting fitting from one side of a pair of cable rails parallel to the cable rail along the running rail and the girder to the other. When the conveyor is moved to the transverse rail on one side of the running rail, a stopper mechanism is installed on the cable rail parallel to the girder to prevent movement of the transition fittings to a pair of cable rails parallel to the transverse rail. The carrier is provided with a locking mechanism that moves the transition fitting along a pair of cables parallel to the traverse rail when the conveyance machine moves to the traverse rail on the other side of the traveling rail, and the stopper of the transition metal fitting is The mechanism and the locking mechanism are each configured by a loop fitting fixed to a crossing fitting, and a piston mechanism fixed to a cable rail parallel to the girder and a conveyor, respectively, and having a rod that can freely move in and out of the loop fitting. Cable wiring equipment for overhead traveling transport machines.