JPH11348774A - Carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the slip of a device in a steep ascending/descending road, without causing a slip, shortening the life of a wheel, and worsening a riding feeling, even the difference of a rotation frequency occurs between right and left wheels during travel on a curved road. SOLUTION: In a vehicle 1 carrying device for traveling on sharp curved or steep ascending/descending roads, a pin rack 5 is laid along a travel rail 2, and pinions 6d and 7d engaging with the pin rack 5 are arranged respectively in wheel units 6 and 7 installed at given intervals in a frame 8 fitted by the vehicle 1. Right and left wheels 6a and 7a to be pivotally mounted on fore and rear wheel units 6 and 7 are pivotally mounted so as to be rotatable with each other. The pinions 6d and 7d are driven via a differential gearing 10 by a motor 12, consequently the vehicle can be smoothly and quietly carried.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for transporting vehicles in, for example, an amusement park and transport containers in a production line, a mountain area, a warehouse, and the like.

[0002]

2. Description of the Related Art For example, in an excursion vehicle mainly composed of shows,
In order to taste the thrill, visual and auditory appeal to the visitors, the vehicle may be accelerated or decelerated by traveling on a steep curved road to apply lateral gravitational acceleration or traveling on a steep hoistway. ing.

[0003] In such a pleasure car, it is necessary to eliminate the difference in the rotational speeds of the left and right wheels while traveling on a curved road, and to prevent slipping on a steep hoistway. In addition, it is necessary to improve ride comfort.

[0004]

As a transporting device having the above-described functions and functions, there is a transporting device which is self-propelled by frictional resistance of wheels. However, in the case of electrically controlling the rotation speed of the left and right wheels in a self-propelled transport device, a power source is provided for each wheel, and thus there is a problem that the control device becomes complicated. In addition, when projections are provided on the running surface to improve the frictional resistance with the wheels on the hoistway in order to prevent slipping on a steep hoistway, the life of the wheels is shortened and the riding comfort is reduced. There is also a problem that it becomes worse.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems. In a self-propelled transportation device, even if a difference in the number of rotations occurs between the left and right wheels during traveling on a curved road, slippage is prevented. It is an object of the present invention to provide a transportation device that can prevent slipping on a steep hoistway without causing generation of a wheel, shortening the life of wheels, and deteriorating riding comfort.

[0006]

In order to achieve the above-mentioned object, a transport device according to the present invention lays a rack or a chain along a traveling rail and has a predetermined interval in a frame on which a vehicle is mounted. To the wheel unit installed
A pinion or sprocket meshing with the rack or chain is arranged, respectively, and left and right wheels pivotally attached to front and rear wheel units are pivotably attached to each other so as to be rotatable, and the pinion or sprocket is driven from a driving source. It is to be driven via a differential gear device. And
In this way, the vehicle can be smoothly transported even on a steep curved road or a steeply hoisting road.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A transportation device according to the present invention is a device for transporting a vehicle traveling on a steep curved road or a steep hoistway, wherein a rack or a chain is laid along a traveling rail and the vehicle is transported. Pinions or sprockets meshing with the rack or chain are arranged on the wheel units installed at predetermined intervals on the mounted frame, respectively.
And the left and right wheels pivotally attached to the front and rear wheel units,
Each is rotatably pivoted, and the pinion or the sprocket is configured to be driven from a drive source via a differential gear device. On the axis of the pinion or sprocket and about the center in the width direction of the pinion or sprocket as the center of rotation, it is pivotally supported on the frame so as to be rotatable, and guides the wheel unit to move the wheel unit along the running rail. Provide guide rollers,
Another power source may be arranged separately from the drive source in the differential gear device.

According to the transportation device of the present invention, since the rotational force of the drive source is transmitted to the pinion or the sprocket via the differential gear device, the vehicle is transported along the traveling rail via the wheels. Become. At this time, since each wheel is rotatably connected to each other, no slip occurs between the right and left wheels and the traveling rail even if the difference in the number of revolutions occurs between the left and right wheels during traveling on a curved road. Also, backlash on steep hoistways is absorbed by the differential gearing.

If the pinion or sprocket of one of the front and rear wheel units is damaged, the output shaft of the damaged differential gear is fixed, and if the damaged pinion or sprocket is removed, the damage is caused. The power transmission unit from the vehicle unit that is not doing to the drive source becomes a load,
The vehicle can safely descend to its level on its own weight.

In addition, the front and rear wheel units are pivotally supported on a frame so as to be rotatable on the axis of each pinion or sprocket and about the center in the width direction of the pinion or sprocket. In the case where a guide roller for guiding the movement of the wheel unit along the traveling rail is provided, the pinion or sprocket always meshes tangentially with the curve of the rack or chain, even on a steep curved road. As a result, the meshing between the pinion and the rack or the sprocket and the chain can be performed smoothly.

In addition to the drive source, the differential gear device
By arranging another power source, when the drive source breaks down, the vehicle can safely descend to a horizontal place using its own power source.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a transportation device according to the present invention; FIG. FIG. 1 is a plan view showing an embodiment of the transport device of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a view taken along the line AA of FIG. 1, and FIG. FIG. 5 is a plan view showing an example of a traveling path, FIG. 5 is a side view of FIG. 4, and FIG. 6 is a diagram showing an example of a gear transmission mechanism in the drive unit of the embodiment shown in FIG. 7 (a) to 7 (c) are views similar to FIG. 3 showing another embodiment of the transport device of the present invention, in which the gear is rotated in the clockwise direction. .

In FIG. 1 to FIG. 3, reference numeral 1 denotes a vehicle, and the vehicle 1 is provided with a transportation device of the present invention having a structure described below, for example, as shown in FIGS. Even on the traveling rail 2 having a graded hoistway, it is transported smoothly and quietly.

Reference numeral 3 denotes a support beam supported by columns (not shown) from the ground or the frame of the building. The traveling rail 2 is attached to the support beam 3 via a support member 4. Also,
A pin rack 5 is laid on the support beam 3 along the travel rail 2, for example, at a position above the travel rail 2.
The travel rail 2 may be formed on the support member 4 as shown in FIG. 7A, or the support beam 3 and the travel rail 2 may be integrated as shown in FIGS. 7B and 7C. It may be a modified one.

Reference numerals 6 and 7 denote front and rear wheel units having left and right two pairs of wheels 6a and 7a which roll on the running rail 2, and are mounted on a frame 8 on which the vehicle 1 is fixed, for example. Installed at intervals.

The wheel units 6 and 7 are provided with an axle 6
b, 7b at both ends via bearings 6c, 7c, respectively.
a, 7a are pivotally supported so as to be freely rotatable, and the axle 6
Pinions 6d and 7d meshing with the pin rack 5 are keyed at positions b and 7b facing the pin rack 5. Further, bevel gears 6e, 7e are keyed to the axles 6b, 7b, and bevel gears 6 meshing with these bevel gears 6e, 7e.
The power transmission shafts 6g and 7g, to which the keys f and 7f are keyed, are connected to the output shaft 10a of the differential gear device 10 via the flexible shaft coupling 9, for example.
It is connected to.

The wheel units 6, 7 are rotatable, for example, on the axes of the axles 6b, 7b on which the pinions 6d, 7d are keyed, and about the center in the width direction of the pinions 6d, 7d. In this way, it is attached to the frame 8 via the pins 26 fitted in the bearings 24 and 25.

In addition, arms 6h, 7h are provided on both left and right sides of the wheel units 6, 7, respectively.
In addition, for example, two guide rollers 6i and 7i for guiding the inside of the traveling rail 2 are provided on the traveling rail 2 on one side, for example. The guide rollers need only be able to guide the movement of the wheel units 6 and 7 along the travel rail 2, and may be those that guide the vicinity of the pin rack 5 and the support beams 3.

Reference numeral 11 denotes a gear which meshes with a drive source, for example, a pinion 13 attached to an output shaft 12a of a motor 12. The gear 11 transmits the rotational force of the motor 12 via the pinion 13, and The transmission is transmitted from the pinion 10b, which rotates integrally, to the wheel units 6, 7 via a gear 10c attached to the output shaft 10a.
The electric power of the motor 12 is supplied, for example, from an electric wire (not shown) laid in parallel on the traveling rail 2.

Reference numeral 14 denotes another pinion that meshes with the gear 11, and this pinion 14 is attached to another power source, for example, a hydraulic pump 15. Since the hydraulic pump 15 is for emergency use when the motor 12 breaks down, normally, the pressure regulating valve 18 provided in the middle of the pipe is unloaded and the flow regulating valve 17 is opened. In this way, even if the pinion 14 and the gear 11 are always meshed, no load is applied, so that driving the motor 12 does not impose a burden on the motor 12.

The motor 12 and the hydraulic pump 1
Reference numeral 5 denotes a drive unit base 2 mounted on a frame 8.
0. Reference numeral 16 denotes a tank for storing oil to be supplied to the hydraulic pump 15, and reference numeral 19 denotes a pressure gauge.

The transport device of the present invention has the above-described configuration,
If the motor 12 is driven, its rotational force will be the output shaft 12a,
The power is transmitted to the output shaft 10a of the differential gear device 10 via the pinion 13 and the gear 11, and then the power transmission shafts 6g and 7g, the bevel gears 6f and 7f, and the bevel gear 6 via the flexible shaft coupling 9.
e, 7e, and the pinions 6d, 7d are rotated via the axles 6b, 7b. When the pinions 6d and 7d rotate, the vehicle 1 is transported along the traveling rail 2 via the wheels 6a and 7a by meshing with the pin rack 5.

At this time, in the transport device of the present invention, the respective wheels 6a, 7a are connected to the axles 6b, 7a via the bearings 6c, 7c.
b, there is no effect on the running even if there is a difference in the number of rotations between the left and right wheels 6a, 7a during running on a curved road. Further, when the pitch of the pin rack 5 changes on a steep curved road, or when the pinions 6d and 7 are generated on a steep hoistway.
The backlash between d and the pin rack 5 is absorbed by the differential gear device 10 and does not affect traveling.

Further, either one of the front and rear wheel units 6
When the pinion 6d (7d) in (7) is damaged, the output shaft 10a side of the damaged differential gear device 10, for example, the power transmission shaft 6g (7g) or the axle 6a (7a) is fixed,
If the damaged pinion 6d (7d) is detached from the axle 6a (7a), the power transmission unit from the vehicle unit 7 (6) which is not damaged to the motor 12 or the vehicle unit 7
The power transmission unit from (6) to the hydraulic pump 15 acts as a load, and the vehicle 1 can safely descend its own weight to a horizontal place. At this time, if the pinions 6d and 7d are divided into two parts and bolts are connected at the boss portions, the axle 6a (7a) of the damaged pinion 6d (7d) is used.
Can be easily removed.

When a load is applied to the power transmission section from the vehicle unit 7 (6) to the hydraulic pump 15, the pressure control valve 18 is turned on and the flow control valve 17 is set to a predetermined flow value. Then, the brake of the motor 12 is released.

At this time, if the hydraulic pump 15 is capable of absorbing power in only one direction, a forward gear is provided between the gear 11 and the pinion 14, as shown in FIGS. The handle 21 is operated by the ascending and descending in the steep hoistway with the intermediary of the reverse gear 21 and the reverse gear 22 to switch between the normal gear 21 and the reverse gear 22.

Further, in the transport device of the present invention, the wheel units 6 and 7 are provided on the axle 6 on which the pinions 6d and 7d are keyed.
The bearing 1 is arranged so as to be rotatable on the axes of the shafts b and 7b and about the center in the width direction of the pinions 6d and 7d.
Guide rollers 6i, 7i are provided on the left and right sides of the wheel units 6, 7 to guide the inside of the running rail 2 on the left and right sides of the wheel units 6, 7 via pins 13 fitted in the first and second wheels.
Are provided on each of the traveling rails 2 on one side, so that the pinions 6d and 7d are always tangential to the curve of the pin rack 5 as shown in FIG. The pinions 6d, 7d and the pin rack 5 can be smoothly engaged with each other.

Further, in the transport device of the present invention, the motor 1
Since the hydraulic pump 15 is arranged separately from the above, when the motor 12 breaks down, the case where the pinion 6d (7d) of one of the front and rear wheel units 6 (7) is broken first has been described. If the pressure control valve 18 and the flow control valve 17 are set as described above, the vehicle 1 can be safely lowered by its own weight to a horizontal place.

In this embodiment, the hydraulic pump 15 is shown as another drive source. However, if the vehicle 1 can safely drop its own weight to a horizontal place when the motor 12 fails, a blower A power absorber using air as a medium may be used. Further, when the pinions 6d and 7d are broken, an emergency brake may be provided on the drive shaft system to stop the bogie in cooperation with the speed sensor.

In this embodiment, the flexible shaft coupling 9 is used to connect the output shaft 10a of the differential gear device 10 to the power transmission shafts 6g, 7g. May be used.

In the present embodiment, the pin rack 5 and the pinions 6d, 7d are used, but, for example, a roller chain and a sprocket may be used instead. In this embodiment, the pinions 6d and 7d are 2
However, any one of them may be provided. in this case,
The differential gear device 10 becomes unnecessary. Also, bevel gears 6e, 6
Instead of f, 7e, 7f, other power transmission means may be adopted.

In this embodiment, the wheels 6a, 7a and the pinions 6d, 7d are mounted on the same axles 6b, 7b. However, the wheels 6a, 7a may be mounted on different shafts. In addition,
Switching of the flow control valve 17, the pressure control valve 18, and the handle 23 may be performed manually or remotely. Also, the attachment of the frame 8 and the vehicle 1 may be fixed integrally.
It may be attached via a pin or a cushioning material.

[0033]

As described above, in the transporting apparatus of the present invention, since the wheels are each rotatably pivoted, even if a difference in the number of rotations occurs between the left and right wheels during traveling on a curved road. There is no slip with the running rail. Also,
Backlash on steep hoistways is absorbed by the differential gearing. Therefore, according to the transport device of the present invention, the vehicle can be transported smoothly and quietly.

Further, in the transport device of the present invention, when the pinion or the sprocket of one of the front and rear wheel units is damaged, the output shaft of the damaged differential gear is fixed to fix the damaged pinion or sprocket. If the sprocket is removed, the power transmission unit from the vehicle unit that has not been damaged to the drive source becomes a load, and the vehicle can safely descend its own weight to a horizontal place.

Further, the front and rear wheel units are pivotally supported on a frame so as to be rotatable on the axis of each pinion and about the center in the width direction of the pinion,
If the wheel unit is provided with a guide roller that guides the movement of the wheel unit along the travel rail, the pinion or sprocket is always normal to the curve of the rack or chain, even on steep curves. The engagement between the pinion and the rack or the sprocket chain can be performed smoothly.

In addition to the drive source, the differential gear device
By arranging another power source, when the drive source breaks down, the vehicle can safely descend to a horizontal place using its own power source.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a transport device of the present invention.

FIG. 2 is a side view of FIG.

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

FIG. 4 is a plan view showing an example of a traveling path on which the transport device of the present invention travels.

FIG. 5 is a side view of FIG. 4;

FIGS. 6A and 6B are diagrams showing an example of a gear transmission mechanism in the drive unit of the embodiment shown in FIG. 1; FIG. 6A shows a case where the gear is rotated counterclockwise; FIG. FIG.

7 (a) to 7 (c) are views similar to FIG. 3, showing another embodiment of the transport device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle 2 Running rail 5 Pin rack 6 Wheel unit 6a Wheel 6c Bearing 6i Guide roller 7 Wheel unit 7a Wheel 7c Bearing 7i Guide roller 8 Frame 10 Differential gear device 12 Motor 15 Hydraulic pump 26 Pin

Claims (3)

[Claims] 1. A device for transporting a vehicle traveling on a steep curved road or a steep hoistway, wherein a rack or a chain is laid along a traveling rail, and a predetermined interval is provided in a frame on which the vehicle is mounted. A pinion or a sprocket that meshes with the rack or the chain is arranged on the wheel unit that is installed as a unit, and the left and right wheels that are pivotally attached to the front and rear wheel units are pivotally attached so that each can rotate. , Wherein the pinion or the sprocket is driven from a drive source via a differential gear device. 2. A front and rear wheel unit is pivotally supported on a frame so as to be rotatable on the axis of each pinion or sprocket and about the center in the width direction of the pinion or sprocket. 2. The transport device according to claim 1, further comprising a guide roller for guiding the movement of the wheel unit along the travel rail. 3. The transport device according to claim 1, wherein another power source is arranged in the differential gear device in addition to the drive source.