JPH09278390A - Simple lifter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a simple lifter even in an unstable arranging place or an installing place such as a work site by driving a suspending medium to raise and lower a lifter, and turning the lifter by a turning device. SOLUTION: A column 3 for a lifter is erected on and fixed to an erected member 1 arranged at a work site by using plural support bodies 2. A lifter 4 is arranged on the column 3 for a lifter through a moving frame member so as to be raised and lowered and freely turned, and the lifter 4 is raised and lowered by winding or rewinding a suspending medium by driving a driving device 9. In a condition where the lifter 4 is stopped at a prescribed position of the erected member 1 and the column 3 for a lifter, the lifter 4 is turned in the horizontal direction by actuating a turning device 8, and is stopped by using a stopper or the like. Therefore, an article placed on the lifter 4 is carried in the erected member 1 in a prescribed position by using an ascent-descent and turning of the lifter 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple lifter which can be easily installed by using an upright member installed at a construction site, other places or factories.

[0002]

2. Description of the Related Art Conventionally, there has not been a simple lifter having a configuration in which a lifter can be easily and inexpensively installed by using an upright member installed on a construction site or the like. No. (1)
There is a vertical lift device of No. 135695. The present invention provides a guide column vertically and independently mounted on a movable base, a rack formed along a vertical direction of a side surface of the guide column, and a pinion and a drive motor meshing with the rack. And a loading platform mounted movably in the vertical direction along the guide pillar, wherein the loading platform can move up and down while maintaining a horizontal state on the guide pillar. (2) JP-A-7-29159
There is a No. 0 fixed lift. The present invention provides a column having a length adjustable and a fixing device provided up and down, a lift portion provided on the column so as to be able to move up and down, a lift drive unit and a handle for driving the lift drive unit. Arrange,
It is characterized in that the pillars are reliably erected, and air conditioning equipment such as outdoor units and other building equipment can be efficiently installed by one person.

[0003]

The invention of the above-mentioned technical document has a feature that can be used as a simple elevator (simple lifter). However, it is necessary to securely install or install (fix) the guide support (support) on the installation surface.
There is a problem that it cannot be used in an unstable installation place or an installation place like a construction site. In addition, because the guide column and the loading platform (lift) are composed of a gear mechanism,
If foreign matter gets into the gear mechanism, reliable movement of the foreign matter is not guaranteed, and there is a problem. For example, it is a place where a problem remains in a construction site where foreign matter, dust and the like are easily generated. Further, conventionally, a lifter is provided using a horizontal pole provided between vertical poles. Therefore, since the full load of the lifter and the load is supported by this lateral pole, there remains a problem in terms of strength or durability.

[0004]

First, the present invention provides a structure in which a lifter support is erected and fixed by using a pole at a construction site or the like, so that installation is simplified, and equipment is effectively used and cost is reduced. The following configuration is adopted for the purpose of achieving or providing a lifter having characteristics such as strength and durability.

That is, the simple lifter of the present invention uses a standing member such as a pole or a pillar provided at a construction site or other places, a plurality of supports provided on the standing member, and this support. Lifter column provided with adjustment metal fittings that are installed side by side on the standing member (adjustment metal fittings are provided if necessary), a lifter provided on the lifter pillar so as to be able to move up and down, and the lifter. A suspension medium that controls the lifting and lowering of the suspension medium, a drive device that drives the suspension medium, and a swivel device that swivels the lifter.

Next, the present invention aims at providing a simple and highly safe lifter which can be reliably stopped in the event of an emergency, for example, in an emergency of cutting the suspension medium. Is adopted.

That is, the simple lifter of the present invention utilizes a standing member such as a pole or a pillar provided at a construction site or other places, a plurality of supports provided on the standing member, and this support. A lifter column provided with adjustment fittings that are installed side by side on the standing member, a lifter provided on the lifter column so as to be vertically movable and rotatable, and a suspension medium that controls the lifting of the lifter. It is composed of a drive device for driving the suspension medium, an emergency stop device provided on the suspension medium and the lifter column, and a turning device for turning the lifter.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in the figure, a lifter column is erected and fixed to a erected member provided at a construction site by using a plurality of supports (one example). In addition, since it is necessary to install the lifter post perpendicular to the installation surface (installation surface) for the purpose of ensuring safety and reliable operation, as shown in FIG. When it is not erected, the distance between the erected member and the lifter column is adjusted by using an adjustment bracket to secure the erected state of the lifter column. The lifter is provided with a lifter so as to be able to move up and down and pivot freely via a movable frame. Therefore, the lifter is moved up and down by hoisting or rewinding the suspension medium using the driving device. That is, the baggage is moved up and down. In the state where the lifter is stopped at predetermined positions of the standing member and the lift post (stopping is an example), the swing of the lifter in the horizontal direction is performed by a swing device provided between the lifter and the movable frame. Operate. For example, the turning link is rotated using a turning motor, and stopped at the rotation position using a stopper or the like.
The turning is performed by the above operation.

[0009] By utilizing the lifting and lowering and / or turning of the lifter, the article placed on the lifter is brought into a predetermined position and into a standing member (can be transported). Therefore, according to the present invention, it is possible to simply and surely bring in luggage by using the drive device and the turning device, or to properly operate even at a construction site without using a gear transmission mechanism. Have.

[0010]

An embodiment of the present invention will be described below with reference to the drawings.

1 is a construction site, other site, other place,
It is a standing member such as a pole or a pillar erected in a factory or the like, and a supporting member 3 for a lifter is juxtaposed on the standing member 1 via a plurality of supports 2. To describe a preferred example of the support 2, the support 2 is configured to be freely movable or detachable, and has mounting portions 21, 21 (hereinafter, referred to as 21) at both ends thereof. In addition, as shown in FIG. 3, the adjustment metal fitting 22 is provided in consideration of the inclination, bending, and bending of the standing member 1.
(It is an example.), The interval H between the standing member 1 and the lifter support column 3 can be freely changed, and in principle, the lifter support column 3 can be held on the installation surface R in an upright state (vertical state). Has become. An appropriate method is adopted, for example, when the mounting portion 21 is provided so as to grip the support 2 and the lifter support column 3, when it is provided in a built-in manner on the support 2 and the lifter support column 3, and the like.

4 is a lifting frame 3 using a movable frame 5.
The lifter 4 is provided so as to be able to move up and down and / or to turn freely.
1 and 41 (hereinafter, referred to as 41) and a loading platform 42 extending from the revolving section 41. In this example, a chain, wire, or the like is suspended on a rear plate 42a of the loading platform 42. The medium 6 is connected. Therefore, the moving frame 5 and the lifter 4 are pulled up or lowered along the lifter column 3 by the movement (for example, winding or rewinding) of the suspension medium 6.

An emergency stop device 7 is provided between the lifter 4 and the lifter column 3. One example will be described with reference to FIGS. 3, 4, and 6, but the present invention is not limited to this example. That is, in FIG. 3, the suspension medium 6 is connected to the emergency sliding rod 72 via the emergency connecting member 71. Therefore, the emergency sliding rod 72 is usually pulled in the traveling direction of the suspension medium 6 (generally upward). The emergency sliding rod 72 is a mounting member 7 provided on the moving frame 5.
3 is slidably provided, and as described above, when the emergency sliding rod 72 is pulled by the suspension medium 6, it is fixed to the lower surface of the mounting member 73. The emergency sliding rod 72 is connected to an eccentric cam 74 pivotally supported by the moving frame 5, and the eccentric cam 74 is configured to rotate toward the lifter column 3 by a spring 75. I have. Therefore, in an emergency such as when the suspension medium 6 is cut or loosened, the tension on the emergency connecting member 71 is released, the suspension member 6 is not pulled by the emergency sliding rod 72, and is lowered (generally downward), and the spring 75 Rotation is applied to the eccentric cam 74 by the restoring force. Specifically, the tension of the spring 75 causes the eccentric cam 74 to rotate toward the lifter support column 3 and press-fit into the gap between the lifter support column 3 and the moving frame 5. Thereby, the moving frame 5 and the lifter column 3 can be integrated, and the structure is useful for preventing the lifter 4 from retreating (generally falling).
The eccentric cam 74 may be replaced with another eccentric mechanism. Further, in the example of FIG. 6, the link 7 is used instead of the eccentric cam 74.
4a and the wedge 74b is provided on the link 74a. In the same manner as in the above-mentioned example, in an emergency such as when the suspension medium 6 is cut or loosened, tension on the emergency connecting member 71 is released and the emergency slide member is released. The moving rod 72 is pulled downward by the restoring force of the spring 75, and the link 7 is pulled by this pulling.
4a rotates toward the lifter support column 3, and a wedge 74b provided on the link 74a hits the lifter support column 3 to help prevent the movable frame 5 and the lifter 4 from falling. The configuration in which the emergency stop device 7 is provided is, of course, an example and may be provided if necessary.

Reference numeral 8 denotes an example of a turning device provided on the moving frame 5 so as to be capable of turning. The turning device 8 includes a turning portion 41 provided on the moving frame 5, a motor (not shown) for rotating the turning portion 41, A manually-operated turning drive source such as another mechanism or member, and supporting portions 81, 81 (hereinafter, 81) for supporting the turning portion 41.
And ) And a stopper 82 for stopping the turning portion 41 at the turning position. Therefore, when the swivel unit 41 is rotated by the swivel drive source, the swivel unit 41 rotates with the support unit 81 as a guide, and this rotation causes the lifter 4 to swivel and rotate / stop to a predetermined position. , This stop position is the stopper 82
Use to fix. Then, by removing the stopper 82, the lifter 4 can be rotated again. It is preferable that the stopper 82 be configured to allow remote operation.

Reference numeral 9 denotes a drive unit. The drive unit 9 includes a motor 91 and a drive medium 92 such as a chain or wire for transmitting the rotation of the motor 91 to a rotating body 61 such as a gear provided with the suspension medium 6. , And transmits the forward / reverse rotation of the motor 91 to the suspension medium 6 via the drive medium 92.

In the figure, reference numeral 61 denotes a rotating body such as a gear provided on the upper end of the lifter column 3 and the suspension medium 6 is stretched between the rotating body 61 and the rotating body.

[0017]

As described above in detail, the present invention uses a standing member such as a pole at a construction site or a factory to erect a lifter column, and lifts the lifter on the lifter column. And the structure is provided so as to be freely rotatable. Therefore,
There is a feature that a lifter for goods can be installed easily and at low cost by effectively using the standing members at the construction site. In addition, simple and reliable operation can be expected. Furthermore, since it is a simple lifter, there is an effect that simplification of the device, cost reduction, easy operation or easy installation can be achieved. Further, according to the present invention, since the load is applied to the member such as the lifter and the article loaded on the lifter by the standing member and the lifter column in principle, the strength and the durability can be improved. Furthermore, since the present invention is provided with an emergency stop device, it has features that are useful for improving safety and reducing occupational accidents.

[Brief description of drawings]

FIG. 1 is a front view showing an example of the whole of the present invention.

FIG. 2 is a front view illustrating an example of a relationship between a standing member and a lifter column.

FIG. 3 is an enlarged cross-sectional view illustrating an example of the relationship between a moving frame, a lift post, and an emergency stop device.

FIG. 4 is an enlarged sectional view showing a main part of the emergency stop device.

FIG. 5 is a plan view showing a relationship between a lifter support and a lifter.

FIG. 6 is an enlarged cross-sectional view illustrating another example of the relationship between the moving frame, the lift post, and the emergency stop device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Standing member 2 Support 21 Mounting part 22 Adjusting metal fitting 3 Lifter column 4 Lifter 41 Swiveling part 42 Loading platform 42a Rear plate 5 Moving frame 6 Suspension medium 61 Rotating body 7 Emergency stop device 71 Emergency connecting member 72 Emergency slide Moving rod 73 Mounting member 74 Eccentric cam 74a Link 74b Wedge 75 Spring 8 Revolving device 81 Support part 82 Stopper 9 Drive device 91 Motor 92 Drive medium H Interval R Installation surface

Claims (3)

[Claims] 1. A standing member such as a pole or a pillar provided at a construction site or other places, a plurality of supports provided on the standing member, and a lifter standing using the supports. A strut, a lifter provided on the lifter strut so as to be vertically movable and rotatable, a suspension medium that controls the lifting and lowering of the lifter, a drive device that drives the suspension medium, and a swivel device that swivels the lifter. It is a simple lifter. 2. A standing member such as a pole or a pillar provided at a construction site or other places, a plurality of supports provided on the standing member, and the standing member that is erected using the supports. Lifter support column provided with adjustment metal fittings that are installed in parallel with each other, a lifter provided on the lifter support column so as to be able to move up and down, and a suspension medium for raising and lowering the lifter, and a drive for driving the suspension medium. A simple lifter including a device and a turning device that turns the lifter. 3. A standing member such as a pole or a pillar provided at a construction site or other places, a plurality of supports provided on the standing member, and the standing member standing using the supports. Lifter support column provided with adjustment metal fittings that are installed in parallel with each other, a lifter provided on the lifter support column so as to be able to move up and down, and a suspension medium for raising and lowering the lifter, and a drive for driving the suspension medium. A simple lifter including a device, an emergency stop device provided on the suspension medium and a lifter column, and a turning device that turns the lifter.