JP2550932Y2 - Lifting equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device, and more particularly to a lifting device for raising and lowering a carrier along a ladder-like guide rail.

[0002]

2. Description of the Related Art Conventionally, as a lifting device, a hoist drum mounted on a ladder-shaped guide rail is driven by an electric motor, and a wire rope wound by the hoist drum is connected to a bogie via a plurality of pulleys. Then, there is known an apparatus in which a trolley is moved up and down along a guide rail, and goods are transported by a pallet attached to the trolley.

[0003]

However, in such a lift device, in order to drive up the hoisting drum, an electric motor with a speed reducer and a hoisting drum with a slip clutch are connected by a pair of sprockets and a chain. Therefore, when the slip clutch breaks down, it is difficult and troublesome to remove and replace only the slip clutch, and accidents such as pinching the clothes and limbs of the worker between the sprocket and the chain during the work are inevitable. And other problems. In addition, such a lift device, when a power failure or electrical failure occurs during the transport operation, to the bed came the difficulty in processing of luggage got stopped on the way, the luggage and cargo ladder-shaped guide rail After tying the wire (after completely removing the wire rope tension), the motor with reduction gear must be removed.
Deer Ru, and this work is incomplete, problems such as an accident occurs, such as luggage to plunge together with the loading platform can be seen.

[0004] Accordingly, the present invention has been made to solve such a conventional problem , and its purpose is to solve the problem.
Is the motor failure or the like, with electric motor and gear unit only taken up easily outside Succoth can, by manual handle, the loading platform safely driven lower winding drum via the intermediate gear directly or gear An object of the present invention is to provide a lift device which can be lowered.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a ladder-like guide rail, a bogie having a loading platform which can be moved up and down along the guide rail, and a bogie connected to the bogie. To wind the wire rope
A lifting device including a hoisting drum attached to a lower portion of the guide rail with a horizontal axis, a motor for rotating and driving the hoisting drum, and a gear device for drivingly connecting the motor and the hoisting drum. , The electric motor and the gear device are mounted on a gear case detachably fixed to a guide rail, and the gear shaft of the gear device and the rotating shaft of the hoist drum are spline-connected.

Other objects, features and advantages of the present invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0007]

1 to 8 of the drawings show an embodiment of the lift device of the present invention. As shown, the lift device 1 of the present invention has a ladder-like guide constituting a frame. A rail 2, a carriage 3 that is raised and lowered along the guide rail 2, a carrier 4 attached to the carriage 3 , a hoisting drum 5 for hoisting a wire rope 6 that moves up and down the trolley 3, and a hoisting drum An electric motor 7 for driving the rotation of the motor 5;
It mainly comprises a hoisting drum 5 and a gear unit 8 for drivingly connecting the electric motor 7.

The ladder-shaped guide rail 2 is long in the longitudinal direction.
The frame member 11 is formed by connecting a plurality of horizontal members 12 in a ladder shape in parallel, and may be either a series type or a double type. It is configured to be able to slide through.
A hoisting drum 5 is provided below the ladder-like guide rail 2.
And electric motors 7 for driving the hoisting drum 5 are separately mounted in parallel so that their axes are horizontal and parallel, and a controller 9 for electrically controlling the electric motors 7 and the like is similarly provided with guide rails. 2, a push button switch 10 with a long code for controlling and operating the electric motor 7 is provided.

As shown in FIG. 3, the hoisting drum 5 has one end of a rotating shaft 16 rotatably supported on one side of the guide rail 2 by a bearing 17, and the other end of a spline 1
8 is cut and is rotatably supported by a bearing 20 provided on a support member 19 attached to the cross member 12.

The motor 7 and the gear unit 8 are formed by integrally connecting a flange 22 of a case of the motor 7 to a gear case 23 of the gear unit 8 by four bolts 24 as shown in FIGS. The support portion 1 of the support member 19 attached to the horizontal member 12 of the guide rail 2 by, for example, welding.
9 ′ and two fixing bolts 26 and 27
The gear case 23 of the gear device 8 is attached by the. Accordingly, by removing the two bolts 26 and 27, the electric motor 7 and the gear device 8 are connected to the guide rail 2
The motor 7 can be removed from the gear device 8 by removing the four bolts 24, and the motor 7 can be replaced, for example. A plurality of driving gears 31, 35, 36 meshing with each other, an intermediate gear 39, a normal slip clutch 33, and a mechanical brake 34 are provided in the gear case 23 of the gear device 8. Further, the gear case 23 of the gear device 8 is
It can be easily understood that the members are appropriately combined by the split members.

A first gear 31 of the gear unit 8 meshes with a small gear 29 formed at one end of a rotating shaft 28 of the electric motor 7. A mechanical brake 34 is provided, and a small gear 35 is provided integrally with the rotating shaft 32. Further, a second gear 36 meshing with the small gear 35 is provided. A spline slot 38 is provided at one end of a rotating shaft 37 of the second gear 36, and one end of the rotating shaft 16 of the hoisting drum 5 from which the spline 18 has been cut is fitted into the spline slot 38. Drive connection. Therefore, the rotating shaft 37 of the second gear 36 is
Can be easily connected to and detached from the rotating shaft 16 of the first embodiment.

Further, as shown in FIG. 8, the gear device 8 is provided with an intermediate gear 39 so as to mesh with the first gear 31, and a manual operation for hoisting and lowering the hoisting drum 5 in an emergency. The handle 42 can be connected. That is, the engaging portion 44 at the distal end of the manual handle 42 is engaged with the engaging portion 41 at one end of the rotating shaft 40 of the intermediate gear 39 through the support member 45 of the guide rail 2 so that the manual handle 4
By rotating 2, the hoisting drum 5 can be rotated manually. Further, such a gear device 8 is preferably of a closed oil bath type.

In the lift device of the present invention configured as described above, the ladder-like guide rail 2 constituting the frame is used for lifting and lowering and transporting the load. It is extended to a predetermined length, installed and fixed at required positions, and the load is placed on the carrier 4 attached to the carriage 3, the push button switch 10 is operated to operate the electric motor 7, and the gear device 8 is operated. The wire rope 6 is wound up by operating the hoisting drum 5 via the pulley, and the bogie 3 to which the tip of the wire rope 6 is attached is raised along the ladder-shaped guide rail 2 via a plurality of pulleys, and 4 can be transported upward, and conversely, the load can be placed on the carrier 4 at an upper position and
To lower the luggage platform 4 along the guide rails 2 to lower the luggage.

[0014]

According to the lift device of the present invention , the electric motor
And the gear device are detachably fixed to the guide rail.
The gear shaft of the gear unit
And the rotating shaft of the hoisting drum were spline-connected,
When the gear device and the motor has failed, repair gear and motor and remove the Gyakesu leaving hoist drum, replacement can be easily and simply rotation of the upper drum winding axis of rotation of the gear unit when installing It can be done simply and easily simply by spline coupling with the shaft. In addition, when the motor is or or a power failure failure in luggage transportation, straight
Operate the handwheel via the intermediate gear of the gear
It is possible to drive the hoisting drum so that you can safely unload your luggage and prevent accidents . Further, when the entire power unit such as the gear unit and the electric motor is maintained, the gear unit and the electric motor can be removed without removing the wire rope.

[Brief description of the drawings]

FIG. 1 is a schematic front view of the lift device of the present invention.

FIG. 2 is a schematic side view of the lift device of the present invention.

FIG. 3 is a front sectional view of a hoisting drum portion.

FIG. 4 is a right side view of a hoisting drum portion.

FIG. 5 is a left side view of a hoisting drum portion.

FIG. 6 is a front sectional view of a gear unit and a motor part.

FIG. 7 is a right side view of the electric motor and the gear unit.

FIG. 8 is a sectional view taken along line 8-8 in FIG. 5;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 lift device 2 guide rail 3 carriage 4 carrier 5 hoisting drum 6 wire rope 7 electric motor 8 gear device 9 controller 10 push button switch 11 frame member 12 horizontal member 14 roller 16 rotary shaft 17 bearing 18 spline 19 support member 20 bearing 22 Case 23 Gear case 24 Bolt 25 Support member 26 Bolt 27 Bolt 28 Rotating shaft 29 Small gear 31 Gear 32 Rotating shaft 33 Slip clutch 34 Mechanical brake 35 Small gear 36 Gear 37 Rotating shaft 39 Intermediate gear 40 Rotating shaft 41 Engaging part 42 Manual handle 44 engaging portion 45 support member

Claims (1)

(57) [Scope of request for utility model registration] 1. A ladder-shaped guide rail, and the guide rail
Elevatable along Lumpur, a carriage having a loading platform, this base
The shaft center to wind up the wire rope connected to the car
The horizontally, from a hoist drum attached to a lower portion of the guide rail, the electric <br/> motor and for rotating the winding drum and the electric motor and the gearing drivingly connecting the hoist drum In the lift device, the electric motor and the gear
A gear that is detachably secured to the guide rail
Attached to the case and the gear shaft of the gear unit
A lift device wherein a rotary shaft of a hoist drum is spline-coupled .