JPH08133431A - Lever type automatic object lifting device - Google Patents

Abstract

PURPOSE: To provide a lever-type automatic article lifting device, which is downsized and which can easily lift up a heavy article with the small force even in a narrow place with the simple operation, by integrally combining the work of gear as combination of gears, the work of screw and the work of lever, and electrically moving it with a motor. CONSTITUTION: A strong base is provided with a base support A. A supporting point base 22 is installed on a lever base, and when a supporting point shaft 3, which is supported by a supporting point holder 4 unified with a shaft 5 of the lever, is installed in the supporting point base 2, the shaft 5 of the lever can be turned around the supporting point shaft 3 as a supporting point, and a lever is thereby formed. A screw is formed of a screw bar 7 and a moving piece 8, which are installed in the same base. The shaft of the lever is held by lever holders 9-1, 9-2, which moves integrally with the moving piece 8, and the lever and the screw are connected to each other. A gear is formed of a gear 10 and a gear 11, and the gear 10 is fitted to the screw bar 7 so as to connect the gear to the screw. The gear 11 and a motor 12 are connected to each other so as to connect the gear and the motor. The motor 12 is controlled by a movable operation box 19, and the lever-type automatic article lifting device is formed with this structure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever-type automatic object lifting device in which a lever, a screw, and a gear, which is a combination of gears, are linked and integrated, and the motor is used to move the lever.

[0002]

2. Description of the Related Art Conventionally, a lever is often used to lift an object.

[0003]

This has the following drawbacks. (B) Place the object on the tip of the lever, and place the opposite side of the axis,
A person pushes down and lifts the object, so it was difficult to lift the object by himself and insert the cradle under it. (B) The lever is operated by weight, so if the weight is light,
It was a disadvantage to lift a heavy object. (C) As the object you are trying to lift becomes heavier,
The large leverage limits its use in tight spaces. (D) Instead of enlarging the lever, adding a large weight to the lever also limited its use in narrow spaces. (E) As the lever grows larger, it becomes heavier, so
The operation became difficult. (F) It was difficult to lift the tip of the lever until it could be inserted under the object to be lifted in a narrow space.

[0004]

[Means for Solving the Problems] The lever action and the rotational movement are
We combined the function of the screw, which is converted into a linear motion, and the function of the gear, which is a combination of teeth, into one unit, and connected it to a motor to electrically move it, thus forming one device.

An inclined arm wedge 29 having an inclined arm and a wedge and a reverse inclined arm wedge 30 having an inverse inclination thereof are pushed under the object by a roller 28 at the tip of the wedge lever 27. Or, the structure was adopted.

The construction of this device is such that the platform support A is provided on the lever base 1, which is strong such as steel. The platform support A has a shape in which the lever shaft 5 is made longer in the axial direction than the lever tip C of the lever shaft 5 and is cut out in the axial direction.

When the fulcrum base 2 is mounted on the lever base 1 and the fulcrum shaft 3 held by the fulcrum holder 4 integrated with the lever shaft 5 is mounted on the fulcrum base 2, the lever shaft 5 Constitutes a lever with the fulcrum shaft 3 as a fulcrum.

The mover 8 and the screw rod 7 are mounted on the same base,
Make up a screw.

Lever holders 9-1 and 9-2, which move integrally with the mover 8, hold the lever shaft 5, and connect the lever and the screw.

The gear 10 and the gear 11 constitute a gear.

The gear 10 is attached to the screw rod 7 to connect the screw and the gear.

The gear 11 is attached to the shaft of the motor 12 to connect the motor and the gear.

The motor 12 and the motor power source 19 are connected by a cable 20, and the motor 12 is connected to the motor power source 19
It is controlled by the operation box 18.

Under the object to be lifted, the tip C of the lever shaft 5
When there is no space to put in, the slanted arm wedge 30 with the wedge and two arms forming an obtuse angle and the reverse slanted arm wedge 31 with the wedge and the two arms forming an acute angle, and the wedge lever The shaft 27 is separately provided.

The present invention is an automatic lever-type object lifting device having the above-described structure.

[Action]

Starting the motor power supply 19 with the operation box 18,
Stop and control the rotation speed of the motor 12 at 3 speeds.

When the motor 12 rotates, the gear 11 and the gear 10 constituting the gear rotate at a reduced speed to rotate the three screw rod 7.

Since the lever shaft 5 held by the lever holders 9-1 and 9-2 also serves as a rotation stopper for the mover 8, when the screw rod 7 rotates, the mover 8 moves vertically. Move linearly. When the mover 8 moves in the vertical direction, the lever shaft 5 held by the lever holders 9-1 and 9-2, which is integral with the mover 8, also moves in the same manner, and the fulcrum shaft 3 is used as a fulcrum to move the lever. Make a move.

Since the platform support A of the lever base 1 extends longer than the lever tip C of the lever shaft 5, the lever base 1 uses the tip of the platform as a fulcrum even when an object is placed on the lever tip C. , Works without lifting.

When there is no space for the tip C of the lever shaft 5 to go under the object, a separately provided lever shaft 27 and tilted arm wedge 30 are used as follows. As shown in FIG. 16, press the inclined arm wedge 29 under the object 31,
Use the roller 28 of the shaft 27 to wedge the arm into a wedge.
When the roller 28 is moved upward in the pressed state, the roller 28 pushes the arm while rotating. The wedge is pushed forward due to the tilt of the arm and pushed under the object

[0021]

[Embodiment] A platform supported by a lever 1 that is strong, such as steel.
And a screw hole B for mounting the fulcrum stand columns 6-1 to 6-4 on the stand. Several screw holes B are provided at appropriate positions so that the position of the lever can be changed.

Then, the screw rod 7, a hole for mounting the bearing 13-1 thereof, and the columns 14-1 to 14-1 of the screw rod support plate 15 are provided.
Provide a screw hole for standing 4-4.

The fulcrum base posts 6-1 to 6-4 are mounted at appropriate positions on the lever base 1, and the fulcrum base 2 and the fulcrum height adjusting block 17 are mounted to determine the height of the fulcrum. .

A screw rod 7 and a column 14-1 in which a screw rod bearing 13-1 is mounted on the lever base 1 and a moving element 8 is incorporated.
Wear ~ 14-4.

On the screw rod support plate 15, a screw rod bearing 13-
2. Mount the screw rod 7 and support it with the columns 14-1 to 14-4.

A gear 10 forming a gear on one side of the screw rod 7.
Then, the motor fixing box 16 is attached to the screw rod support plate 15.

A gear 1 forming a gear on the shaft of the motor 12.
1 is attached, meshes with the gear 10, and the motor 1
2 is attached to the motor fixing box 16.

A cable 20 connects the motor 12 and the motor power source 19.

The lever shaft 5 is held by lever holders 9-1 and 9-2, which are integrated with the mover 8.

The fulcrum holder 3 which is integral with the lever 5 is mounted on the fulcrum base 2 through the fulcrum shaft 3. The present invention has the above structure.

To use this to lift an object,
As shown in FIG. 14, the height C of the fulcrum is adjusted so that the lever tip C of the lever shaft 5 is below the object 31 to be lifted.
Performed at the fulcrum height adjustment block 17, and the tip C of the lever 5
Under the object 31 to be lifted.

When the motor 12 is rotated by operating the operation box 18, the gears 11 and 10 constituting the gears are decelerated and rotated, and transmitted to the screw rod 7.

The lever shaft 5 held by the lever holders 9-1 and 9-2 serves as a rotation stopper for the moving element 8 to prevent the moving element 8 from moving.
Moves linearly, and the lever shaft 5 held by the lever holders 9-1 and 9-2 also interlocks with the fulcrum shaft 3 as a fulcrum to lift the object 31 by the lever action.

A wedge lever lever shaft 27, which is used when there is no space for the lever C of the lever shaft 5 to enter under the object 31, has a quadrangular prism tip as shown in FIG. The roller 28 is attached to the section.

As shown in FIG. 12, the inclined arm wedge 29 is
The wedge is provided with two obtuse arms. As shown in FIG. 13, the inverted tilt arm wedge 30 is provided with two arms forming an acute angle with the wedge.

To use this, the wedge lever 27 is attached to the apparatus. Then, as shown in FIG. 17, the inclined arm wedge 29 is pressed below the object 31 to be lifted, and the tip of the roller 28 of the wedge lever 27 is pressed to the lower side of the two arms, and the tip of the lever is moved upward. Then, the roller 28 moves upward while rolling on the arm.
The wedge is pushed forward due to the inclination of the arm and pushed under the object 31. In order to pull out the reversely inclined arm wedge 30 from below the object 31, as shown in FIG. 17, move the tip of the lever upward while applying the roller 28 at the tip of the wedge lever 27 to the inside of the arm. Good.

The platform support A of the lever platform 1 may be only one side as shown in FIGS.

The gear may be mounted on the motor 12 and the screw rod 7 by using a gear box 25 composed of a plurality of gears as shown in FIG. If the object to be lifted is not so heavy, the gear box 25 can be removed and the motor 12 can be directly connected to the screw 7.

The mover 8 and the lever holders 9-1, 9-2
Is a moving table 21 in which a moving element, its rotation stopper, and a lever holder 22 are integrated as shown in FIG.
It may be attached to any of 14-4 or a column provided separately.

[0039]

[Effect of the invention] Compact and powerful, it can be used even in a narrow space.

Since the person does not directly push down the lever, one person can lift the object and insert the cradle.

It is possible to lift heavy objects regardless of weight.

By using a plurality of such devices as shown in FIG. 15, horizontal adjustment of a machine or the like becomes easy.

The wedge can be pushed under the object even in a narrow place.

[Brief description of drawings]

[Fig. 1] Front view of the device, operation box, block diagram of motor power supply

FIG. 2 is a plan view in which a part of the present invention is cut away.

FIG. 3 is a plan view in which a part of the present invention is cut away to show a lever 1
The table support A has only one side.

FIG. 4 is a partially cutaway plan view of the present invention, showing a lever 1
The table support A is only on the other side.

FIG. 5 is a diagram of one half of the fulcrum base 2 of the present invention.

FIG. 6 is a drawing of a fulcrum height adjustment block 17 of the present invention.

FIG. 7 is a view of a mover 8 and lever holders 9-1 and 9-2 attached to the screw rod 7 of the present invention.

FIG. 8 is a diagram showing a movable body 8 of the present invention and lever holders 9-1 and 9;
2 is a front view showing a movable table 21 and a lever holder 22 of another embodiment of No. 2;

FIG. 9 is a front view showing a gear box according to another embodiment of the gear of the present invention.

FIG. 10 is a perspective view of a wedge lever shaft 27 of the present invention.

FIG. 11 is a perspective view of a tilted arm wedge of the present invention.

FIG. 12 is a front view of a tilted arm wedge of the invention.

FIG. 13 is a front view of a reverse tilted oblique arm wedge of the present invention.

FIG. 14 is a diagram of an example of use of the device of the present invention.

FIG. 15 is a diagram of multiple uses of the apparatus of the present invention.

FIG. 16 is a diagram of an example of use of a tilted arm wedge of the present invention.

FIG. 17 is a diagram of an example of use of the reverse tilt arm wedge of the present invention.

[Explanation of symbols]

 1 lever base 2 fulcrum base 3 fulcrum shaft 4 fulcrum holder 5 lever shaft 6-1 to 6-4 fulcrum base prop 7 screw rod 8 mover 9-1 to 9-2 lever holder 10, 11 gear 12 motor 14-1 ~ 14-4 Screw rod support plate 17 Support point height adjustment block 18 Operation box 19 Motor power supply 21 Moving stand 22 Lever holder 25 Gear box 27 Wedge lever shaft 28 Roller 29 Inclining arm wedge 30 Reverse inclination arm wedge 31 Lifting object A Lever Table support B-1 ~ Supporting table Support mounting screw C Lever shaft 5

Claims (3)

[Claims] 1. A lever 8 is mounted on a lever 1 to move a lever 8
Automatic lever-type object with a structure in which a combination of a gear 10 and a gear 11 constituting a combination of gears is connected to a screw rod 7 and held by lever holders 9-1 and 9-2 that move integrally with Lifting device. 2. The lever base 1 according to claim 1, further comprising a platform support A having an end of the lever base 1 elongated outward in the direction of the axis of the lever C from the lever tip C of the lever 5. 3. An inclined arm wedge 29 and an inverted inclined arm wedge 30 having a structure in which an inclined arm and a wedge are integrated.