JP2002155974A - Brake structure of single-rail carrier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly safe damping device of a single-rail carrier by mounting a plurality of light-weighted damping devices which are vital for the single-rail carrier. SOLUTION: The single-rail carrier, which obtains thrust when power is transmitted from an engine and a hole and a rack arranged on a rail are geared with a projection and a pin or the like of a driving wheel provided on a final shaft of a speed reducer, is provided with a brake drum 10 on an intermediate shaft of the reducer of a motive power unit and an intermediate shaft of a speed increasing device of a towing truck, an internal expanding brake 9 for expanding and obtaining braking force by friction force on an inner periphery of the brake drum provided on an inner side of the drum 10, and an other friction brake 11 different from the internal expanding brake 9 for braking by pressing friction material to a whole or a part of a surface on an outer side of the brake drum. A brake structure of the single-rail carrier is so structured that a clutch device for engaging and removing power of the reducer from the engine, the internal expanding brake 9 for operating in synchronization with the clutch device, and the other friction brake 11 different from the internal expanding brake are operated by an other manual lever different from the clutch device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The brake structure of a single rail transporter according to the present invention relates to a braking device for a single rail transporter. It is also an object of the present invention to provide a highly safe braking device capable of minimizing an engine load without greatly increasing the weight of a bogie and facilitating maintenance such as inspection and maintenance and replacement.

[0002]

2. Description of the Related Art As a brake device of a single rail transporter,
2. Description of the Related Art An inward expansion type brake that is easy to inspect and replace is generally known. In recent years, single-rail transporters have been increasingly used as a means of transporting personnel at forestry and civil engineering sites. Accordingly, the safety of the brake device has been further required. For this reason, improvements have been made to increase the brake capacity by increasing the size of the brake device and adopting a brake device using an electromagnetic brake or a hydraulic brake.

[0003] However, in a single-rail transport machine that travels on a steep slope, if the weight of the body increases, the towing ability is reduced as it is. Therefore, there is a limit to the increase in the weight of the body due to the use of the brake as described above. . Furthermore, electromagnetic brakes and hydraulic brakes have the disadvantage that it is difficult to perform daily inspections by workers.

[0004] A single rail transporter used for transporting personnel generally has a configuration in which a passenger vehicle is connected to a motor vehicle.
In this case, the braking device of the motor vehicle is used for both parking and stopping, and the clutch device and the brake release device that operate and disengage the power of the engine with the speed reduction device in conjunction with the operation of the start / stop device operate. When the stop operation is performed, the clutch is turned off and the brake is turned on.

[0005] Brake devices are also provided on passenger trolleys towed by motor vehicles, but these are generally operated by a manual lever for parking or emergency stop. For this reason, when a trouble such as abrasion of the brake shoe of the motor vehicle occurs, the stopping has to rely on the brake device of the passenger car. When the brake device of the passenger trolley is malfunctioning, there is a drawback that the vehicle descends without a stop device.

In order to solve these disadvantages, it is sufficient to equip a plurality of brake devices.

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a highly safe braking device in a single rail transporter, which is equipped with a plurality of lightweight braking devices, which are vital to the device.

[0008]

SUMMARY OF THE INVENTION A brake structure for a single-rail carrier according to the present invention includes an intermediate shaft of a power transmission system of a power vehicle and an intermediate shaft of a power transmission system of a passenger trolley pulled by the power vehicle. The brake structure is provided with a brake drum, an inner expansion type brake device in which a brake shoe extends on the inner periphery of the drum, and a band friction brake device for tightening the outer periphery of the drum.

According to the first aspect of the present invention, the driving force is transmitted from the engine, and the driving wheels are provided on the final shaft of the speed reducer, and the projections and pins of the driving wheels mesh with holes and racks arranged on the rail to generate thrust. In the obtained single rail transporter, a brake drum is provided on the intermediate shaft of the speed reducer, and the inside of the drum is expanded to obtain a braking force by the frictional force of the inner circumference of the brake drum. A brake structure for a single-rail carrier, characterized by having a friction brake different from the above-mentioned inwardly expanding brake for obtaining a brake by pressing a friction material over the entire surface or a part thereof.

According to a second aspect of the present invention, there is provided a clutch device for engaging and disengaging the power of the speed reducer from the engine, and an internal expansion brake that operates in conjunction with the clutch device. 2. The brake structure for a single rail transporter according to claim 1, wherein a friction brake is provided to be operated by a lever different from the clutch device.

According to a third aspect of the present invention, there is provided the brake according to the first aspect provided on a brake wheel provided on a truck pulled by the motor vehicle and an intermediate shaft of a speed increasing device for appropriately increasing the rotation of the brake wheel. The brake structure for a single rail transporter according to claim 1, wherein a brake device similar to the device is provided.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical idea of the present invention has the following features embodied in the embodiments.

[0013] The brake structure of the single rail transporter of the embodiment is as follows.
A brake drum is provided on the intermediate shaft of the reducer, and an inner expansion type brake that expands inside the drum and obtains a braking force by the frictional force on the inner circumference of the brake drum, and a friction material on the whole or part of the outside of the brake drum And has a friction brake different from the above-mentioned inward expansion type brake which obtains braking by pressing the brake.

In a motor vehicle, an internal expansion brake is provided which operates in conjunction with a clutch device for engaging and disengaging the power of the speed reducer from the engine, and a friction material is pressed against the entire surface or a part of the outside of the brake drum to perform braking. A friction brake different from the above-mentioned inwardly expanding brake is provided, and is operated by a manual lever different from the clutch device.

In the bogie towed by the power vehicle, a brake wheel provided on the bogie towed by the power vehicle and an intermediate shaft of a speed-increasing device for appropriately increasing the rotation of the brake wheel are provided.
A brake drum is provided, an inner expansion type brake that expands inside the drum and obtains a braking force by a frictional force on the inner circumference of the brake drum, and a brake that presses a friction material against the entire surface or a part of the outside of the brake drum to perform braking. It has a friction brake different from the internal expansion brake, and operates the internal expansion brake by a manual lever for parking and stopping, and operates the friction brake by a manual lever different from the manual lever.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings illustrate an embodiment of the brake structure of a single-rail carrier. FIG. 1 is a power transmission system diagram of a towing vehicle showing a brake structure of a single rail transporter, and FIG.
FIG. 3 is a side view of the brake device showing an operating state, FIG. 4 is a side view of the brake device in an open state, and FIG. 1 is a side view of a single-rail carrier having a passenger car connected to a motor vehicle and having a clutch lever, a parking / stopping brake, and a manual lever of a friction brake device.

As shown in FIG. 5, the single-rail carrier is composed of a motor vehicle and a passenger trolley pulled by the motor vehicle. The motor vehicle is a single rail transporter that is driven by an engine 1 via a centrifugal clutch 3 and transmitted to a speed reducer 2, and has a final shaft 4 that includes driving wheels 5 that engage with rails to obtain thrust. And a clutch lever 6 for engaging and disengaging the power.
Is pulled, the rotation speed of the engine 1 increases, and power is transmitted from the centrifugal clutch 3 to the reduction gear 2. When the clutch lever 6 is in the “off” state, the throttle wire 7 is returned, the rotation of the engine 1 drops, and the power of the centrifugal clutch 3 is released.

A centrifugal brake 8 and an inflatable brake 9 are provided on an intermediate shaft of the reduction gear 2, and a friction brake device 11 for tightening the inflatable brake drum 10 by contraction is provided on the outer periphery of the inflatable brake drum 10. It is provided. When the clutch lever 6 is in the “on” state, the throttle arm 12
And the rotation of the throttle arm 12 is fixed. The throttle arm 12 fixes the brake arm 13 to a brake released state against the pressing force of the brake spring 14.

Referring to FIG. 3, the operation of the brake device will be described. When the clutch lever 6 is in the "off" state, the throttle arm 12 and the starting cam 15 are disengaged,
The throttle arm 12 is returned, the brake arm 13 is rotated by the pressing force of the brake spring 14, the brake shoe 16 is expanded, and a braking force is generated by the frictional force with the brake drum 10.

The open state of the brake device will be described with reference to FIGS. 4 and 5. The friction brake device 11 for tightening the outer periphery of the inflatable brake drum 10 is a parking / parking brake different from the inflatable brake. And the manual lever 17 of the friction brake provided as a side brake in the driver's seat
When a is pulled, the outer circumference of the brake drum 10 is tightened to obtain a braking force. When the manual lever 17a is returned, the brake shoe 16
The brake state is released by a tension spring 18 provided on one side of the vehicle.

The gantry of the bogie towed by the motor vehicle is provided with a brake wheel meshing with the rail and a speed increasing device for appropriately increasing the rotation of the braking wheel. The centrifugal brake 8 is provided on the intermediate shaft of the speed increasing device. A friction brake device 11 is provided on the outer periphery of the inner expansion type brake drum 10 and contracts to obtain a braking force by a frictional force with the outer periphery of the drum. The inner expansion type brake 9 operates by pulling a manual lever 19 provided on the side of the bogie, and the brake for tightening the outer periphery of the brake drum pulls the manual brake 17b of the friction brake device 11 provided in another system. It is configured to operate by the following.

In the embodiment, the friction brake device 11 is shown as a band brake, but a disk brake is used in which a disk is mounted on a brake drum and a friction material is pressed against a part or the whole of one or both sides of the disk. You may.
As for the operation of the brake, the embodiment shows the manual side brake, but the same effect can be obtained even if the brake is configured to be powered by hydraulic pressure, pneumatic pressure, or electricity.

[0023]

According to the present invention, the following effects can be obtained by the structures described in the first to third aspects of the present invention.

The brake structure of the present invention requires only a friction brake to be added to the outer periphery of the inwardly expanding brake drum provided on the intermediate shaft of the power transmission system, so that the braking effect is lightweight and does not significantly increase the weight of the body. You can get it. Therefore, the braking device has a simple structure, is lightweight, and is easy to check and maintain.

Even if the brake shoes of the inner expansion type brake are worn, the brake on the outer periphery of the drum functions by manual operation, so that there is an effect that safety is doubled.

By providing the drum outer peripheral brake,
The parking brakes of both the motor vehicle and the bogie can be linked. The drum outer periphery brake can be electrically operated as an emergency brake, and a single rail transporter having a plurality of functions can be provided.

[Brief description of the drawings]

FIG. 1 is a power transmission system diagram of a towing vehicle showing a brake structure of a single rail transporter.

FIG. 2 is a power transmission system diagram of a passenger bogie showing a brake structure of a single rail transporter.

FIG. 3 is a side view of the brake device in an activated state.

FIG. 4 is a side view of an opened brake device.

FIG. 5 is a side view of a single rail transporter having a passenger car connected to a motor vehicle and having a clutch lever and a manual lever of a brake device.

[Explanation of reference numerals] . . Engine 2. . . Reduction gear 3. . . Centrifugal clutch 4. . . Final axis 5. . . Drive wheel 6. . . Clutch lever 7. . . 7. Throttle wire . . Centrifugal brake 9. . . Inner expansion brake 10. . . Brake drum 11. . . Friction brake device 12. . . Throttle arm 13. . . Brake arm 14. . . Brake spring 15. . . Start cam 16. . . Brake shoes 17a, 17b. . . Manual lever of friction brake 18. . . Tension spring 19. . . Manual lever for parking and stopping brakes 20. . . Braking wheel 21. . . Gearbox

Claims (3)

[Claims] 1. A single rail transporter, which receives power from an engine, provides a drive wheel on a final shaft of a speed reducer, and obtains thrust by engaging a projection or a pin of the drive wheel with a hole or rack arranged on a rail. A brake drum is provided on the intermediate shaft of the reducer, and an inner expansion type brake that expands inside the drum and obtains a braking force by the frictional force on the inner circumference of the brake drum, and a friction material on the whole or part of the outside of the brake drum A brake structure for a single-rail carrier, characterized by having a friction brake different from the above-mentioned inwardly-expandable brake, which obtains braking by pressing the brake. 2. A clutch device for engaging and disengaging the power of a speed reducer from an engine, and an internal expansion brake that operates in conjunction with the clutch device, and a friction brake different from the internal expansion brake is provided. The brake structure for a single rail transporter according to claim 1, wherein the brake device is configured to be operated by a lever different from the clutch device. 3. A brake device similar to the brake device according to claim 1 is provided on an intermediate shaft of a brake wheel provided on a truck pulled by the motor vehicle and a speed increasing device for appropriately increasing the rotation of the brake wheel. The brake structure for a single-rail carrier according to claim 1, wherein the brake structure is provided.