JP2003276592A - Transportation equipment - Google Patents

Abstract

(57) [Summary] [Problem] To be able to further reduce the equipment cost and to smoothly run even on a steep slope. A traveling body (5) rotates a traveling wheel (12) to drive the traveling along a ceiling rail (4), and a circular traveling (12) that circularly drives an endless chain (16) to travel on a steep portion (2b). And a circulation device (8).
And a plurality of locking projections 17 provided at a constant pitch along the steep portion 2b and a plurality of locking projections 17 provided at a constant pitch on the chain 16 and locked to the pressure receiving member 14 at the forward path portion a.
And a circulation driving device 18 for driving the endless rotating body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transportation facility for transporting a load along a transportation route having a horizontal portion, a slope portion, a vertical portion, etc. in a tunnel, a dam inspection corridor or the like.

[0002]

2. Description of the Related Art Conventional transportation equipment has traveling wheels having traveling wheels on a guide surface along a traveling route, and steep slopes for driving on steep slopes which are difficult to travel on traveling wheels. A traveling device is provided, and the steep-gradient traveling device is configured to drive a pinion that meshes with a rack provided along the steep slope portion to apply a driving force.

[0003]

However, in the steep slope traveling device using the rack and pinion mechanism, it is necessary to attach a highly accurate and expensive rack over the entire length of the steep slope portion and the vicinity of the front and rear of the steep slope portion. Since a special meshing mechanism is also required, it is difficult to operate this special mechanism, and there is a problem that the equipment cost increases.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a transportation facility which does not require a special meshing mechanism, can reduce the facility cost and can travel smoothly even on a steep slope.

[0005]

In order to achieve the above object, the present invention according to claim 1 is a transportation facility for causing a traveling body carrying a load to travel along a transportation route having a steep slope. On the traveling body, a rotating traveling device that rotates traveling wheels to drive the traveling surface along the conveyance path, and a circulation traveling device that circulates the endless rotating body along the circulation movement path to travel the steep slope portion. And the circulation traveling device,
Locked parts provided at a constant pitch along the steep slope,
It is composed of a plurality of locking projections which are provided on the endless rotary body at a constant pitch and are engaged with the locked portion at the forward path of the circulating movement path, and a circulation traveling drive device which drives the endless rotary body. It is a thing.

According to the above construction, since the circulation traveling device having the locking projections on the endless rotary body travels on the steep slope, the locked portions can be provided in accordance with the pitch of the locking projections. Therefore, compared to the conventional rack and pinion mechanism rack teeth, the number of locked portions can be significantly reduced, and processing accuracy is not required, and the rack and pinion mechanism can be provided at low cost. Also, since the pitch of the locked parts is large, a special meshing mechanism is not required.

According to a second aspect of the present invention, in the structure according to the first aspect, the endless rotary body is composed of an endless chain connecting a plurality of links, and adjacent links rotate only inward in the circumferential direction. It is freely connected.

According to the above construction, the forward path of the chain can be moved in a straight line, so that a guide member for maintaining the engagement state of the locking projection with the locked portion is unnecessary, and the parts are In addition to reducing the number, friction resistance due to sliding contact between the guide member and the chain is eliminated, and smooth driving is possible.

A third aspect of the present invention is a transportation facility for causing a traveling body carrying a load to travel on a first transportation route having a steep slope and a second transportation route intersecting the first transportation route. Then, a rotary traveling device that rotates traveling wheels on the traveling body to drive the traveling surface along the first transport path, and an endless rotating body that is cyclically driven along the circulation moving path to drive the steep slope portion and the first slope portion. A circulating traveling device that travels along each of the two transport paths is provided, and the circulating traveling device has a locked portion provided at a constant pitch along the steep slope portion and the second transport path, and an endless rotating body at a constant pitch. A plurality of locking projections that are provided and are engaged with the locked portion at the forward path of the circulating movement path;
A circulation traveling drive device that drives the endless rotary body, and a forward path deflection device that rotates the forward path portion of the endless rotary body at an intersection between an angle along the first transport path and an angle along the second transport path. Is provided.

According to the above structure, since the circulation traveling device having the locking projections on the endless rotary body travels on the steep slope, the locked portions can be provided in accordance with the pitch of the locking projections. Therefore, compared to the conventional rack and pinion mechanism rack teeth, the number of locked portions can be significantly reduced, and processing accuracy is not required, and the rack and pinion mechanism can be provided at low cost. Further, even if the first transport path and the second transport path intersecting with each other are, for example, a steep horizontal path and a vertical path, the forward path of the circulation traveling device is changed from horizontal to vertical by the outward path turning device at the intersection. By turning to
It is possible to move (elevate) the vertical path by using the circulating device. As described above, by providing the outward traveling diversion device in the circulation traveling device, it is possible to continuously travel the conveying routes intersecting with each other, and it is possible to widen the usage.

A fourth aspect of the present invention is a transport facility for moving a traveling body carrying a load through a first transport route having a steep slope and a second transport route intersecting the first transport route. Then, a rotary traveling device that rotates traveling wheels on the traveling body to drive the traveling surface along the first transport path, and an endless rotating body that is cyclically driven along the circulation moving path to drive the steep slope portion and the first slope portion. A circulating traveling device for driving and driving the two conveying routes, and a locked portion provided on the circulating traveling device at a constant pitch along the steep slope portion and the second conveying route, respectively.
A plurality of locking projections provided on the endless rotary body at a constant pitch and engaged with the locked portion at the forward path of the circulating movement path, and a circulation traveling drive device for driving the endless rotary body are provided. The outward path portion of the circulation movement path is configured by a first outward path portion along the first transportation path and a second outward path portion along the second transportation path.

According to the above construction, since the circulation traveling device having the locking projections on the endless rotary body travels on the steep slope, the locked portions can be provided in accordance with the pitch of the locking projections. Therefore, compared to the conventional rack and pinion mechanism rack teeth, the number of locked portions can be significantly reduced, and processing accuracy is not required, and the rack and pinion mechanism can be provided at low cost. Further, even if the first transport path and the second transport path intersecting with each other are, for example, a steep horizontal path and a vertical path, the second traveling path of the outward direction redirecting device causes the circulation traveling device to move at the intersection. It can be used to move (elevate) along a vertical path. As described above, by providing the circulating traveling device with the two outward paths, it is possible to continuously travel the conveying paths intersecting with each other, and it is possible to expand the usage.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a transportation facility according to the present invention will now be described with reference to FIGS.

As shown in FIG. 4 and FIG. 5, this transportation facility has a horizontal entrance 2a and a horizontal exit 2c in the tunnel 1.
The conveyance path 2 in which the steep slope portion 2b is continuously formed between
Along with a ceiling rail 4 attached to an upper part of the inside of the tunnel 1 along a transport route 2 in a hanging type transport facility for transporting a load 3 such as a segment (tunnel lining body).
A traveling body 5 which is guided and moved by the ceiling rail 4;
The traveling body 5 is provided with a suspending tool 6 for suspending the load 3.

As shown in FIGS. 1 and 2, the ceiling rail 4 has brackets 4b protruding from the upper surface thereof at regular intervals.
And is supported by the ceiling of the tunnel 1 through the support metal fittings 4c. The ceiling rail 4 is formed in a horizontal H-shaped cross section in which upper and lower flanges are connected to each other by a connecting member, and the left and right upper surfaces of the lower flange are respectively formed as running surfaces 4a.

On the traveling body 5, a traveling body frame 11 fitted on both sides of the ceiling rail 4 is provided with traveling wheels 12 with flanges which are guided by the traveling surface 4a of the ceiling rail 4 in a pair of left and right, front and rear. It is provided. The traveling body 5 includes a rotary traveling device 7 including a traveling drive device 13 that rotationally drives, for example, the front drive traveling wheel 12 among the four traveling wheels 12 via a speed reducer, and the steep slope portion 2b. A circulating traveling device 8 that drives the traveling body 5 by an endless chain (endless rotating body) 16 and a guide roller 19 that rolls on the lower surface of the lower flange of the ceiling rail 4 are provided.

The circulating device 8 has a steep slope 2b,
A pressure receiving member projecting at a constant pitch on the bottom flange bottom surface of the ceiling rail 4 along the transition part from the horizontal entrance 2a to the steep slope 2b and the transition from the horizontal exit 2c to the steep slope 2b ( 14) and a pair of front and rear sprockets 15
A chain 16 wound around A and 15B so that the outward path a of the endless movement path faces the pressure receiving member 14;
A plurality of (three or more) locking projections 17 projecting at a constant pitch corresponding to the pressure receiving member 14 are provided on the outer surface of the chain 16, and at least one or more locking projections are provided at the forward path portion a of the chain 16. The protrusion 17 is configured to engage with the pressure receiving member 14.

In the chain 16, as shown in FIGS. 3A and 3B, a pair of left and right inner links 21 and a pair of left and right outer links 22 have a connecting pin 23 having a roller 23a.
Is rotatably connected via. Each inner link 21 is provided with a rotation restricting portion 24, which restricts rotation of the restriction end 22a of the outer link 22 connected to the front and rear to the outer peripheral side of the circulation path, on the outer peripheral side of the central portion. The link restricting portion 24 allows the chain 16 to be bent only from the linear position to the inner peripheral side of the circulation path. Further, the chain 16 includes at least three links 21,
22 is provided with a locking projection 17 via a mounting plate 25,
At least one or more locking projections 17 are configured to engage with the pressure receiving member 14 in the outward path a on the upper surface.

21. Instead of the chain 16 shown in FIG.
The chain device 90 shown in may be used. That is,
Outer link 92 and inner link 9 that form the chain 91
Guide rollers 95 are rotatably provided on both sides of a connecting pin 94 that rotatably connects the guide rollers 95 and 3, and the guide rollers 95 are fitted to the guide rails 96 provided on both sides of the outward path a, respectively. The reaction force applied from the locking projection 97 engaged with the pressure receiving member 14 is supported by the guide rail 96, so that the chain 91 can be prevented from bending toward the inner peripheral side.

Further, the circulation traveling device 8 may be provided with a chain retracting device (not shown) for moving the chain 16 forward and backward so as to move toward and away from the pressure receiving member (locked portion) 14 at the outward path a. . This is set so that the traveling speed in the steep slope portion 2b is slower than the entrance horizontal portion 2a and the exit horizontal portion 2c, and for example, even when the transitional portion of the steep slope portion 2b has a gentle slope, the pressure receiving member 14 is used. Is installed and forced to run at low speed. However, since there is no problem even if the vehicle travels at a high speed in descending traveling, in order to shorten the traveling time, the chain 16 is retracted by the chain retracting device to disengage the locking projection 17 from the pressure receiving member 14 to receive the pressure. The member 14 can be run without interference.

In the above structure, when the traveling body 5 is moved by the rotary traveling device 7 through the horizontal entrance portion 2a or the horizontal exit portion 2c to reach the transition to the steep slope portion 2b, the traveling body 5 is provided on the traveling body 5. The pressure sensor 14 is detected by the detection sensor 10, and an operation signal is output from the traveling control unit 9 based on this detection signal. Then, according to this operation signal, the rotary traveling device 7 is switched to the circulation traveling device 8, the locking projections 17 are sequentially engaged with the pressure receiving member 14, the driving force is transmitted, and the traveling body 5 travels. On the contrary, the traveling body 5 has a steep slope 2b.
When approaching the entrance horizontal part 2a or the exit horizontal part 2b from the transition part to the pressure receiving member 14 is not detected by the detection sensor 10 provided on the traveling body 5, the traveling control part 9 detects the non-detection signal based on this non-detection signal. The operation signal is output, and the circulation traveling device 8 is switched to the rotating traveling device 7, and the traveling wheels 1
2 is moved.

According to the above-described embodiment, at the steep slope portion 2b of the conveying path 2, the locking projection 17 of the circulating traveling device 7 is engaged with the pressure receiving member 14 of the ceiling rail 4 to support the traveling reaction force. Since the vehicle is driven to travel, the number of pressure receiving members 14 can be significantly reduced compared to the rack teeth of the conventional rack and pinion mechanism, and the accuracy of the pressure receiving members 14 is not required to be as high as that of the rack. Can be significantly reduced.

Further, since the chain 16 is configured to be bendable only from the linear position to the inner peripheral side of the circulation path by the link restricting portion 24, the chain 16 is formed at the outward path a.
A holding guide member for guiding the chain to keep a constant distance from the pressure receiving member 14 is unnecessary, and friction resistance and wear of the chain 16 can be reduced.

Next, a second embodiment of the transportation facility according to the present invention will be described with reference to FIGS. 6 and 7. The first embodiment is a trolley-type transportation facility, and the same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

This transportation facility is a trolley type transportation for transporting a load 3 such as a segment along a transportation path 2 which is continuous from an inlet horizontal portion 2a through a steep slope portion 2b to an outlet horizontal portion 2c in a tunnel 1. With equipment, floor 31 of tunnel 1
A pair of left and right floor rails 32 are laid along the transport path 2, and a traveling carriage (traveling body) 33 that is guided and travels on the floor rails 32 via traveling wheels 35 is arranged. The load 3 is mounted on the carriage frame 34 of the traveling carriage 33.

A pair of left and right floor rails 32 are laid at regular intervals to form an I-shaped cross section. The bogie frame 34 is provided with left and right paired front and rear two sets of traveling wheels 35 at the four corners of the bottom, which are respectively guided by the floor rails 32. The traveling drive device 37 drives the rear portion via a reduction gear. A rotary traveling device 7 that rotates the traveling wheels 35 to drive the traveling carriage 33, and a circulation traveling device 8 that drives the endless chain 16 to circulate and drive the traveling carriage 33 at the steep slope portion 2b are provided. .

In this circulating traveling device 8, a pressure receiving member (locked portion) is provided at a constant pitch on a reaction force receiving rail 36 laid between the floor rails 32 of the floor surface 31 and the transition between the steep slope 2b and its entrance / exit. ) 14 is projected, and the pressure receiving member 14 is attached to the chain 16.
The locking projections 17 projecting at the same pitch as the pressure receiving member 14
Is engaged with. Otherwise, the configuration is the same, and a description thereof will be omitted.

In the above structure, when the traveling carriage 33 is moved by the rotary traveling device 7 through the entrance horizontal portion 2a or the exit horizontal portion 2b and approaches the transitional portion to the steep slope portion 2b, the detection provided on the traveling carriage 33 is detected. The pressure receiving member 14 is detected by the sensor 10, and the traveling control unit 9 is detected based on this detection signal.
An operation signal is output from the rotary traveling device 7 and the circulation traveling device 8 is switched by the operation signal. Then, the circulating traveling device 8 is driven, the locking projections 17 are sequentially engaged with the pressure receiving member 14, and the driving force is transmitted to the traveling carriage 3
3 is run.

Then, when the traveling carriage 33 approaches the entrance horizontal portion 2a or the exit horizontal portion 2b from the transition portion of the steep slope portion 2b, the pressure sensor 14 is no longer detected by the detection sensor 10, and the vehicle travels based on this non-detection signal. By the operation signal output from the control unit 9, the circulation traveling device 8 is switched to the rotating traveling device 7 and the traveling by the traveling wheels 35 is restarted.

According to the above embodiment, the same effect as that of the first embodiment can be obtained. Furthermore, a third embodiment of the transportation facility according to the present invention will be described with reference to FIGS. The same members as those in the previous embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 8, this hang-up type transportation facility includes a first transport path 2A in which a horizontal entrance 2Aa, a steep slope 2Ab and a horizontal exit 2Ac are formed in an upper tunnel 1A, and a vertical tunnel. It has a vertical second transport path 2B provided in 1B and a horizontal third transport path 2C provided in a vertical tunnel 1C. Then, the outlet horizontal portion 2Ac of the first transport path 2A and the second transport path 2B
Are connected via the first crossing portion 2D, the second transport path 2B and the third transporting portion 2C are connected via the second crossing portion 2E, and the first and third transport paths 2A and 2C are Ceiling rails 60A and 60B are provided respectively. Then, as shown in FIGS. 9 and 14, and in the second transport path 2B,
A pair of front and rear elevating rails 61F and 61R are arranged, and the traveling body 5 has these rails 60A, 60B, 61F and 61R.
Is configured to be capable of continuously traveling on the first to third traveling routes 2A to 2C.

As shown in FIGS. 9 and 10, the traveling body 5 includes a rotary traveling device 7 for driving the horizontal portions 2Aa and 2Ac of the first transport path 2A and the third transport path 2C, and the first transport path. Two sets of front and rear circulation traveling devices 8A and 8B are provided to drive the steep slope portion 2Ab of 2A and the second transport path 2B.

Circulating traveling device 8 provided on the traveling body 5
A and 8B are movable side sprocket 15B with fixed side sprocket 15A on the front side and the rear side, respectively.
Is provided to rotate the forward path a of the chain 16 between the horizontal posture and the vertical posture.

As shown in FIG. 11, the forward path deflecting device 51 has a pair of left and right rotations via an outer cylinder shaft 55 rotatably fitted to a drive shaft 52 to which a fixed end sprocket 15A is attached. The arm 53 is attached. The free end sprocket 15B is rotatably supported by the free end of the rotating arm 53 via a support shaft 54, and the endless chain 16 is wound around the fixed end sprocket 15A and the free end sprocket 15B. The outer end of the outer cylinder shaft 55 is connected to the deflection drive device 56 via a gear box.

Therefore, the turning drive unit 56 turns the turning arm 53 via the outer cylinder shaft 55 to turn the free end sprocket 15B by 90 °, thereby bringing the forward path a of the chain 16 into a horizontal posture. The posture can be changed between the vertical posture.

As shown in FIG. 9, a movable rail portion 60b, which is continuous with the end of the main body rail portion 60a of the ceiling rail 60A, faces the vertical tunnel 1B at the upper crossing portion 2D.
Is provided, and the movable rail portion 60b is connected to the main body rail portion 6 by a rail guide and a rail moving device (not shown).
It is moved back and forth between a use position continuous to 0a and a retracted position that retracts in the length direction and does not interfere with the traveling body 5.

Further, on the lifting rail 61R, the lifting rail movable portion 61b is provided at an upper portion where the traveling body 5 interferes during traveling.
Are provided so as to be able to extend and retract in the left and right direction, and by a rail guide and a rail retracting device (not shown), the elevating rail moving part 61b is in a continuous use position with the elevating rail main body 61a and one side from the upper intersection 2E. Back to the moving body 5 and load 3
The vehicle is moved in and out of a retracted position (shown by a virtual line in FIG. 12) that does not interfere with.

Further, the lifting flanges 61F and 61R have inner flanges on which the locking projections 17 are engaged.
Are projected at the same pitch as the locking projections 17. In addition, the traveling body frame 11 of the traveling body 5 includes a lifting rail 61F,
Lifting roller 57 that abuts the inner surface of the inner flange of 61R
And a vibration-blocking roller 58 that comes into contact with the upper and lower positions of the left and right side edge portions of the inner flange. Then, two sets of upper and lower retractable swinging rollers 58a on one side that interfere with the elevating rail movable portion 61b that moves in and out between the use position and the retracted position.
The roller retracting device (not shown) that is rotated and retracts
Is provided.

In the above structure, when the traveling body 5 moves from the first transport path 2A to the second transport path 2B via the upper crossing section 2D, the elevating rail 61R at the upper crossing section 2D.
The lifting rail movable part 61b is in the retracted position, and the movable rail part 60b of the ceiling rail 60A is in the used position.
Then, the traveling body 5 travels on the movable rail portion 60b from the main body rail portion 60a of the ceiling rail 60A through the traveling wheels 12 by the rotary traveling device 7 and arrives at the upper crossing portion 2D.

When the traveling vehicle 5 arrives at the upper intersection 2D,
After the retractable swinging roller 58a on one side is retracted, the lifting rail movable portion 61b is returned from the retracted position to the use position, and the swinging roller 58a is also returned to the original position. Next, the outward path changing device 51 is driven to rotate the rotating arm 53 from the horizontal attitude to the vertical attitude, and the outward path part a of the chain 16 is moved.
Is changed from the horizontal posture along the first transport path (outlet horizontal portion 2Ac) to the vertical posture along the second transport path 2B. Further, after the locking projection 17 on the outward path a of the chain 16 of the circulation traveling devices 8A and 8B is brought into contact with the lifting pressure-receiving member 62 to support the weight of the traveling body 5, the movable rail portion 60b of the ceiling rail 60A. Is retracted in the lengthwise direction to the retracted position and separated from the traveling body 5.

Then, the circulation traveling devices 8A and 8B are driven to move the chain 16 in a circulating manner, and the locking projection 17 of the outward path a is formed.
Is moved upward, and the traveling body 5 is moved down while sequentially engaging with the lifting pressure-receiving member 62 to support its own weight.

When the traveling body 5 is moved from the second transport path 2B to the first transport path 2A via the upper crossing portion 2D, it is moved in the reverse order of the above procedure. Next, the lower crossing portion 2E will be described with reference to FIGS.

A ceiling rail 60B is provided in the third transport path 2C, and the vertical tunnel 1 is provided at the lower crossing 2E.
A movable rail portion 60d is provided facing the lower end of B so as to be retractable in the length direction. This movable rail portion 60b
Is a use position which is continuous with the end of the main body rail portion 60c of the ceiling rail 60B along the third transport path 2C and is retreated in the length direction by the rail guide and the rail moving-out device (not shown). It is moved in and out of the retracted position that does not interfere with 5.

Further, of the front and rear lifting rails 61F and 61R, the lifting rail 61F which interferes during traveling is provided with a lifting rail movable portion 61d which is continuous at the lower end of the lifting rail main body 61c with the ceiling rail 60B interposed therebetween. . The lifting rail movable portion 61d is interfered with the traveling body 5 and the load 3 by retracting to one side from the upper crossing portion 2E and a use position continuous with the lifting rail main body 61c by a rail guide and a rail retracting device (not shown). Not moved to and from the retracted position shown by a virtual line in FIG.

In the above structure, when the traveling body 5 moves from the second transport path 2B to the third transport path 2C via the lower crossing section 2E, the elevating rail 61R at the lower crossing section 2E.
The lifting rail movable part 61d is in the use position, and the movable rail part 60d of the ceiling rail 60B is retracted to the retracted position. Then, the traveling body 5 descends along the elevating rails 61F and 61R by the circulation drive devices 8A and 8B and arrives at the lower crossing portion 2E.

When the traveling body 5 arrives at the lower intersection 2E,
The movable rail portion 60d is projected to a use position continuous with the lift rail main body 60c of the ceiling rail 60B, and the traveling body 5 is supported by the lift rail movable portion 60d via the traveling wheels 12. In addition, two sets of upper and lower retractable swing-stop rollers 58a at the front that interfere with the lift rail movable part 61d are retracted, then the lift rail movable part 61d is retracted from the use position to the retracted position, and then the retractable shaker is moved. The stop roller 58a is also returned to the original position. Then, the forward path changing device 51 is used to rotate the rotating arm 53.
Through the forward path a of the chain 16 to the second transport path 2B.
The vertical posture along the third transport path 3C is changed to the horizontal posture along the third transport path 3C. Further, the rotary traveling device 7 drives the traveling wheels 12 to move the traveling body 5 from the movable rail portion 60d to the main body rail portion 60c along the third transport path 2C.

When the traveling body 5 is moved from the third conveyance route 2C to the second conveyance route 2B via the lower intersection 2E, it is moved in the reverse order of the procedure described above. According to the above-described embodiment, the outward travel path a is conveyed to the circulation travel devices 8A and 8B that drive the steep slope area 2Ab.
By providing the forward path changing device 51 that can be changed in accordance with the above, the traveling body 5 can be continuously connected to the conveyance paths 2A, 2B, 2C having any inclination angle connected through the intersections 2D, 2E having a right angle or a steep angle. Can be moved. Therefore,
The traveling body 5 is provided with only the circulating traveling devices 8A and 8B having the rotary traveling device 7 and the outward route changing device 51, and the traveling routes 2A and 2 having the steep slope portions and the plurality of intersections 2D and 2E are provided.
B and 2C can be continuously moved. Further, the reduction of the equipment cost by the circulation traveling devices 8A and 8B and the reduction of the frictional resistance and wear by the chain 16 are the same as those in the above-mentioned embodiment.

A fourth embodiment of the transportation facility according to the present invention will be described with reference to FIG. In the fourth embodiment, the configuration of the circulation traveling devices 8A and 8B is changed in place of the outward change device 51 of the third embodiment, and the same members as those in the embodiment are denoted by the same reference numerals. The description is omitted.

In the circulating traveling devices 71A and 71B, the chain 16 is wound around three sprockets 72A to 72C arranged at the apexes of a right triangle, for example, and a return path portion d is provided between the two sprockets 72A and 72C. The first forward path b of the chain 16 formed by 72A and 72B is connected to the first transport path 2A and the third transport path 2
The second outward path portion c of the chain 16 formed by the sprockets 72A and 72C is made to correspond to the second transfer path 2B.
It corresponds to.

Therefore, at the steep slope portion 2Ab of the first transport path 2A, the locking protrusion 1 of the first outward path b of the chain 16 is provided.
7 is engaged with the pressure receiving member 14 and driven to travel, and the locking protrusion 17 of the second forward path c of the chain 16 is provided in the second transport path 2B.
By engaging with the lifting pressure-receiving member 62, it is possible to drive the vehicle along the second transport path 2B in the same manner as in the third embodiment.

A fifth embodiment of the transportation facility according to the present invention will be described with reference to FIGS. In the fifth embodiment, the carriage system of the second embodiment incorporates the drive system of the third embodiment, the same members are designated by the same reference numerals, and the description thereof will be omitted. .

The traveling frame 34 of the traveling carriage 33 has a rotary traveling device having traveling wheels 35 rolling on the floor rails 32A of the first transportation path 2A and the floor rails 32B of the third transportation path 2C at four corners. 7, the fixed side sprocket 15A and the movable side sprocket 15B, the locking protrusion 17
The circulating traveling devices 8A and 8B are provided by winding an endless chain 16 projecting at a fixed pitch.
A and 8B are provided with a forward deflection device 51 that rotates the movable sprocket 15B around the fixed sprocket 15A to rotate the forward path a of the chain 16 between a horizontal posture and a vertical posture. ing.

Further, the carriage frame 34 is provided with an elevating roller 57 that abuts the inner surfaces of the inner flanges of the pair of left and right elevating rails 61F and 61R, and a swing roller 58 that abuts the outer surfaces of the inner flanges of the elevating rails 61F and 61R. Of these swing-off rollers 58, the forward retractable swing-off roller 58a at the front of the swing-down rollers 58 has a lower crossing portion 2E.
In order to avoid interference with the lifting rail movable part 61, which will be described later, a roller retracting device 59 that rotates and retracts is provided.

The floor rail 32 at the upper intersection 2D
The corresponding portion of the vertical tunnel 1B of A is the movable rail portion 32b.
Is configured. Then, the movable rail portion 32b is extended and retracted in the length direction by a guide device and a retracting device (not shown), and the movable rail portion 32b continuously interferes with the use position corresponding to the vertical tunnel 1B and the traveling carriage 33 moving up and down. It is configured to be able to move in and out of the shelter position.

At the lower crossing section 2E, the lower part of the lifting rail 61F is constructed as a lifting rail movable part 61b, and as shown by phantom lines in FIG. 20, it is moved to the left and right by a guide device and a retracting device (not shown). Then, it is configured so as not to come into contact with the traveling carriage 33. Left and right lifting rails 61
Of the reaction force receiving rails 36F and 36R arranged between F and 61F and 61R and 61, the front reaction force receiving rail 36F
A reaction force receiving rail movable portion 36b capable of retracting is provided on the lower end side of the carriage so as not to contact the traveling carriage 33. That is, the lower portion of the reaction force receiving rail movable portion 36b is rotatably supported on the vertical plane along the length direction via the up-and-down supporting portion 81, and by the rail moving-out device 82 including a hydraulic cylinder device. It is rotated between a use position in which it stands upright and is continuous with the reaction force receiving rail main body 36a, and a retracted position in which it does not interfere with the traveling carriage 33 that is lying down and moving.

In the above structure, the traveling carriage 33 moves from the first transport path 2A to the second transport path 2 via the upper crossing portion 2D.
B, and further from the second transport path 2B to the lower intersection 2
A case of moving to the third transport path 2C via E will be described.

First, at the upper intersection 2D, the floor rail 32
The movable rail portion 32b of A is on standby at the use position.
When the traveling carriage 33 travels from the main body rail portion 32a to the movable rail portion 32b by the rotary traveling device 7 and arrives at the upper crossing portion 2D, the outward path changing device 51 is driven to move the rotating arm 53 from the horizontal posture to the vertical posture. When the chain 16 is rotated, the forward path portion a of the chain 16 is changed to a vertical posture along the second transport path 2B, and the locking projections 17 cause the reaction force receiving rails 36F and 3F.
It is engaged with the lifting pressure receiving member 62 of 6R, and the traveling trucks 33 and 3 support the own weight of 3. Floor rail 32A
The movable rail portion 60b is retracted from the use position to the retracted position and separated from the traveling carriage 33.

Then, the circulation drive devices 8A and 8B are driven to move the chain 16 in a circulating manner, and the locking projection 1 of the outward path a is formed.
7 is moved upwards and the traveling carriage 33 moves to the second transport path 2B.
Is descended along.

At the lower crossing portion 2E, the ascending / descending rail movable portion 61d of the ascending / descending rail 61R and the reaction force receiving rail movable portion 36b of the reaction force receiving rail 36F are in an upright use position, and the traveling carriage 33 is lowered. Reach the lower intersection 2E.

When the traveling wheel 35 lands on the floor rail 32B at the lower crossing 2E, the forward path changing device 51 rotates the rotary arm 53 in a horizontal posture, and the forward path a of the chain 16 moves to the third position. It is changed to a horizontal posture along the transport path 3C. Furthermore, the reaction force receiving rail movable portion 36b is laid down from the use position and retracted to the retracted position by the rail retracting device 82, and the lifting rail movable portion 61b is also retracted to the outward retracted position. Further, the rotating wheels 7 are rotated by the rotating traveling device
5 is driven, and the traveling carriage 33 travels along the floor rail 3B along the third transport path 2C.

When the traveling body 5 is moved from the third transport route 2C to the first transport route 2A via the lower crossing portion 2E, the second transport route 2B, and the upper crossing portion 2D, the above procedure is reversed. Be moved.

According to the above embodiment, the steep slope portion 2Ab is provided.
The traveling carriage 33 is connected through the intersections 2D and 2E by providing the circulation traveling device 8 that drives the traveling vehicle with a forward traveling path changing device 51 that can change the outward traveling path a corresponding to the transport paths 2A to 2C. The transport paths 2A, 2B, 2C can be continuously moved. Therefore, the traveling carriage 33 is
By the rotary traveling device 7 and the circulation traveling devices 8A and 8B, the first transport route 2A having the steep slope portion 2Ab and the intersection portion 2 are provided.
Driving routes 2A, 2B, 2C connected via D, 2E
Can be continuously moved along. Also,
The reduction of the facility cost by the circulation traveling devices 8A and 8B and the reduction of the frictional resistance and wear by the chain 16 are the same as those in the above-mentioned embodiment.

[0063]

As described above, according to the invention described in claim 1, since the circulation traveling device having the locking projection on the endless rotary body is configured to travel on the steep slope portion, the locked portion is It can be provided according to the pitch of the locking projections, the number of locked parts can be greatly reduced compared to the rack teeth of the conventional rack and pinion mechanism, and machining accuracy is not required, It can be provided at low cost.
Also, since the pitch of the locked parts is large, a special meshing mechanism is not required.

According to the second aspect of the present invention, since the forward path of the chain can be moved in a straight line state, a guide member for holding the engagement state of the locking projection with the locked portion is unnecessary. As a result, the number of parts can be reduced, and the frictional resistance due to the sliding contact between the guide member and the chain is eliminated, so that the chain can be driven smoothly.

According to the third aspect of the invention, since the circulation traveling device having the locking projections on the endless rotary body is configured to travel on the steep slope portion, the locked portions are adjusted to the pitch of the locking projections. Compared with the rack teeth of the conventional rack and pinion mechanism, the number of locked parts can be greatly reduced, and processing accuracy is not required, and it can be provided at low cost. it can. Further, even if the first transport path and the second transport path intersecting with each other are, for example, a steep horizontal path and a vertical path, the forward path of the circulation traveling device is changed from horizontal to vertical by the outward path turning device at the intersection. By rotating to, the circulation traveling device can be used to travel (elevate) along the vertical path. As described above, by providing the outward traveling diversion device in the circulation traveling device, it is possible to continuously travel the conveying routes intersecting with each other, and it is possible to widen the usage.

According to the invention as set forth in claim 4, since the circulation traveling device having the locking projections on the endless rotary body is configured to travel on the steep slope portion, the locked portions are adjusted to the pitch of the locking projections. Compared with the rack teeth of the conventional rack and pinion mechanism, the number of locked parts can be greatly reduced, and processing accuracy is not required, and it can be provided at low cost. it can. Further, even if the first transport path and the second transport path intersecting with each other are, for example, a steep horizontal path and a vertical path, the second traveling path of the outward direction redirecting device causes the circulation traveling device to move at the intersection. It can be used to move (elevate) along a vertical path. In this way, by providing the circulation traveling device with two outward paths,
It is possible to continuously run the transportation paths intersecting with each other, and it is possible to expand the usage.

[Brief description of drawings]

FIG. 1 is a side view of a traveling body showing a first embodiment of a transportation facility according to the present invention.

FIG. 2 is a sectional view taken along line I-I shown in FIG.

3A and 3B respectively show chains of the circulating traveling device, FIG. 3A is a partial plan view, and FIG. 3B is a partial side view.

FIG. 4 is an overall side view showing a tunnel in which the transportation facility is installed.

FIG. 5 is a cross-sectional view showing the tunnel.

FIG. 6 is a side view of a traveling body showing a second embodiment of the transportation facility according to the present invention.

7 is a sectional view taken along line II-II shown in FIG.

FIG. 8 is a side view showing a second embodiment of the transportation facility according to the present invention, showing a tunnel in which the transportation facility is installed.

FIG. 9 is an overall side view showing a traveling body at an upper intersection of the transportation facility.

10 is a sectional view taken along line III-III shown in FIG.

FIG. 11 is a cross-sectional view showing details of the circulation traveling device.

12 is a sectional view taken along line IV-VI shown in FIG.

FIG. 13 is a plan view showing a traveling state of a vertical route of the traveling body.

FIG. 14 is a side view showing a traveling body at a lower intersection of the transportation facility.

15 is a sectional view taken along line VV shown in FIG.

FIG. 16 is a side view of a traveling body showing a fourth embodiment of the transportation equipment according to the present invention.

FIG. 17 is a side view of the traveling body at the intersection, showing the fifth embodiment of the transportation equipment according to the present invention.

FIG. 18 is a front view of the traveling body on first and third traveling routes.

FIG. 19 is a front view of a second traveling route of the traveling body.

20 is a sectional view taken along line VI-VI shown in FIG.

FIG. 21 shows a modified example of the chain device used for the circulation traveling device, (a) is an overall schematic side view, and (b) is a transverse cross-sectional view of the chain.

[Explanation of symbols]

1 tunnel 1A Upper tunnel 1B vertical tunnel 1C Lower tunnel 2 transport routes 2b steep slope 2A First transport route 2B Second transport route 2C Third transport route 2D upper intersection 2E Lower crossing 3 packages 4 ceiling rail 4a Running surface 5 running bodies 7 Rotating traveling device 8,8A, 8B Circulation traveling device 9 Travel control device 10 Detection sensor 11 traveling body frame 12 running wheels 13 Travel drive 14 Pressure receiving member 15 sprockets 16 chains a, b, c Forward part 17 Locking protrusion 18 Circulation drive 24 Rotation restriction part 31 floor 32, 32A, 32B Floor rail 33 traveling carriage 35 running wheels 36, 36F, 36R Reaction force receiving rail 37 Travel drive 51 Outward turning device 56 Turning drive 57 Lifting roller 58 Swing roller 58a Retractable swinging roller 59 Roller retractor 60A, 60B Ceiling rail 61a, 60c Rail body 61b, 60d Rail movable part 61F, 61R Lifting rail 61a Lifting rail body 61b Lifting rail movable part 62 Lifting pressure receiving member 71 Circulating traveling device 82 Rail entry / exit device

Claims (4)

[Claims] 1. A transportation facility for traveling a traveling body holding a load along a transportation route having a steep slope portion, wherein the traveling body rotates traveling wheels to travel on a traveling surface along the transportation route. A rotating traveling device to be driven and a circulating traveling device for driving the endless rotating body to circulate along the circulation moving path to drive the steep slope portion are provided, and the circulating traveling device is arranged at a constant pitch along the steep slope portion. Driven the endless rotatable body, the engaged portion provided, a plurality of locking projections provided on the endless rotating body at a constant pitch and engaged with the engaged portion in the forward part of the circulation movement path. A transport facility characterized by being configured with a circulating drive device. 2. The endless rotating body is constituted by an endless chain connecting a plurality of links, and adjacent links are connected rotatably only inward in the circumferential direction. Transportation equipment. 3. A transport facility for moving a traveling body holding a load through a first transportation route having a steep slope portion and a second transportation route intersecting with the first transportation route, the traveling facility comprising: A rotary traveling device that rotates a traveling wheel to drive a traveling surface along the first transport path, and an endless rotating body that is circularly driven along a circulation travel path to travel through the steep slope portion and the second transport path, respectively. And a locked portion provided at a constant pitch along the steep slope portion and the second transport path, and a circulating movement device provided at a constant pitch on the endless rotating body. A plurality of locking projections that are engaged with the locked portion at the forward path of the path, a circulation traveling drive device that drives the endless rotary body, and a forward path of the endless rotary body at the intersection, the first transport path. Displace between an angle along the second conveyance path and an angle along the second conveyance path Handling characterized in that a and road deflection device. 4. A transportation facility for moving a traveling body holding a load through a first transportation route having a steep slope and a second transportation route intersecting with the first transportation route, the traveling facility comprising: A rotary traveling device that rotates traveling wheels to drive a traveling surface along the first transport path, and an endless rotating body that circulates along the circulation travel path to drive the steep slope portion and the second transport path. And a locked traveling portion provided at a constant pitch along the steep slope portion and the second transport path, and a circulation traveling device provided at a constant pitch on the endless rotating body. A plurality of locking projections that are engaged with the locked portion in the forward path of the movement path and a circulation traveling drive device that drives the endless rotating body are provided, and the forward path of the circulation movement path is the first transport path. First forward path along the second transport path and second forward path along the second transport path In transportation facilities, characterized by being configured.