JPH1017300A - Elevating/sinking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevating/sinking device which can elevate and sink a trolley certainly and smoothly, involves no such a hazard that the trolley drops quickly along the elevator rail even in case an air cylinder runs into failure, ensures a high safety for the workmen, can be embodied in a simple and lightweight configuration with easiness to assemble and at low cost, allows enlargement of the elevating/sinking range of the trolley, excels in the working easiness, versatility, and mobility, and is unlikely to generate trouble. SOLUTION: An elevating/sinking device concerned is equipped with an elevator rail A approx. in the form of a ladder, a trolley B capable of traveling along the rail A, and a telescopic air cylinder C of multi-step Shub structure, wherein the base end of the air cylinder C is made lockable with the rail A while the foremost of the cylinder is arranged as capable of being mounted on the trolley B, and thereby the trolley B rises and falls with expansion and contraction of the air cylinder C.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly transports building materials, work tools, workers, housing equipment (such as kitchen units, wash units, fittings, tatami mats, glass sashes, etc.) to a high place at a construction site. Or as a hoisting device by which dealers and carriers transport living materials (eg, large home appliances, furniture, etc.) to and from high places, and work positions at building construction sites. The present invention relates to an elevating device suitable for use as an elevating scaffolding device capable of freely changing and adjusting the height.

[0002]

2. Description of the Related Art Conventionally, various types of lifting devices of this type have been provided. For example, as a device for lifting to a high place at a construction site, a trolley is mounted on a rail ladder formed in a ladder shape, and the tip of a wire wound around a pulley provided at the upper end of the rail ladder is fixed to this trolley, There is a configuration in which a bogie can be raised or lowered along a rail ladder by winding or unwinding a base end portion of the wire with a winding drum connected to a winch.

In general, at a construction site, a temporary scaffold is provided so as to surround the periphery of the structure, and the temporary scaffold is constructed by arranging a scaffold plate in multiple steps on a column serving as a building frame. Workers are performing various operations on a scaffold at a height corresponding to the work position of the structure.

[0004]

However, in the elevating device as described above, the wires are liable to be worn out and damaged, and the wires are liable to come off the pulleys. Since the picking and unwinding could not be performed smoothly, the work had to be interrupted once. Furthermore, if the wire is cut in the middle, the bogie descends abruptly along the rail ladder, which is very dangerous for the operator.

[0005] In addition, in the case of a multi-stage temporary scaffold provided at a construction site, the work position for the structure does not always correspond to the height position of the scaffold plate, which has been an obstacle in performing various works. In addition, the work height position was different, and it was necessary to change frequently between the upper and lower scaffolds, which was extremely troublesome.

Accordingly, the present invention solves the above-mentioned difficulties and the like, and has a simple structure, easy assembly, light weight and excellent versatility, can be used without selecting an installation place, hardly causes troubles and troubles, and has high safety. It has been created to provide a low-cost lifting device that can be used as a lifting device and as a lifting type scaffold that can easily adjust and change the working height position.

[0007]

In order to achieve the above-mentioned object, according to the present invention, a substantially ladder-like elevating rail A is provided.
And a lift truck B movable along the lift rail A
And a telescopic air cylinder C. The base end of the air cylinder C can be locked to the lifting rail A, and the tip of the air cylinder C can be mounted on the lifting carriage B. Then, the lift truck B is moved up and down along the lift rail A by the expansion and contraction operation of the air cylinder C. The elevating rail A is formed so as to be freely extendable by combining a plurality of rails 4. On the other hand, the elevating truck B is provided with a plurality of rollers 3 corresponding to each of the rails 4 in the elevating rail A for engagement. The lift truck B can be provided with a load receiving frame 2 which rises and falls by the operation of the air cylinder D. Furthermore, a pair of substantially ladder-like elevating rails E, which are erected in parallel at a predetermined interval, are disposed between the pair of elevating rails E and mounted so as to be able to move up and down along the elevating rails E. And a telescope-type air cylinder G whose front end is attached to the center of the elevating body F. The elevating body F moves along the elevating rail E by the expansion / contraction operation of the air cylinder G. To move up and down.

In the lifting apparatus according to the present invention having the above-described structure, the lifting rail A constitutes a lifting path for raising and lowering the lifting carriage B by being leaned against a building or the like, and is a telescope type air. The lift truck B is moved up and down along the lift rail A by the expansion and contraction operation of the cylinder C. The air cylinder D raises and lowers the load receiving frame 2 of the lifting and lowering vehicle B, and makes it easy to unload building materials and other conveyed materials at the final loading place, which is a high place, by being laid down on the upper part of the lifting rail A, for example. Let The lift truck B which is lifted and lowered along the lift rail A is used for loading and unloading building materials and other high places, for example, and the telescopic air cylinder C is used for lifting and lowering the lift truck B. Even if the air source is shut off during ascending and descending, safety is ensured without sudden reduction. Elevator F mounted between a pair of elevating rails E
Since the both ends are supported by the elevating rail E, the air cylinder G is moved up and down without being shifted by the expansion and contraction of the air cylinder G, and various operations on the surface of the elevating body F are smoothly performed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
Is used mainly for building materials, work tools, workers, and household equipment (such as kitchen units, washroom units, fittings, tatami mats, glass sashes, etc.) at high places (for example, on the third floor) at construction sites. The lifting device according to the present invention is used to carry or to carry a living material (for example, large home appliances, furniture, etc.) to (or from) a high place by a distributor or a carrier. . The elevating device S is formed in a substantially ladder-like elevating rail A, is mounted on the elevating rail A via a roller 3, and is reciprocally movable along the longitudinal direction of the elevating rail A. And a telescopic air cylinder C having a multi-stage tube structure configured to give a relatively long stroke (stroke). Then, the base end of the air cylinder C is formed so as to be able to be locked to the lower part of the elevating rail A, and the tip end of the air cylinder C is formed so as to be mountable below the elevating carriage B.
The lift truck B is configured to move up and down along the lift rail A by the expansion and contraction operation (see FIG. 1).

As shown in FIG. 1, the elevating rail A is formed by combining a plurality of rails 4 so as to be extendable, while the elevating bogie B is provided for each elevating rail A at each stage. A plurality of rollers 3 corresponding to the engagement are provided. That is, the elevating rail A is combined with the upper-level second rail 4 which is extendable with respect to the lower-level first-level rail 4, and the first-level rail 4 is moved by a predetermined operation. As a result, when the second-stage rail 4 is extended, the entire elevating rail A which is extended and set to have a predetermined height is fixed. The lift truck B itself has a plurality of rollers 3 disposed on the bottom of the truck base frame 1 in a plurality of stages.
Is engaged with the first-stage rail 4, and the second-stage roller 3 is engaged with the second-stage rail 4.
Even if the position at which the ascending and descending bogie B engages with the rails 4 of each stage on the elevating rail A is different, any roller 3 is always engaged with any of the rails 4.

In the example shown in the drawings, the description has been made assuming that the lifting rail A has a two-stage configuration in the up-down direction. This can be dealt with by using a configuration having three or more stages.

Further, as shown in FIG. 2, the lifting carriage B is provided with a load receiving frame 2 which rises and falls by the operation of the air cylinder D. The air cylinder D is provided, for example, on the upper part of the carriage base frame 1. In addition, a loading receiving frame 2, which is also supported on the upper part of the bogie base frame 1 so as to be swingable, is made to swing up and down. This swinging undulation is performed, for example, when the lift truck B rises and reaches the upper part of the lift rail A, and moves the load receiving frame 2 to the lift rail A.
It falls down so that it is located above.

Further, in the embodiment shown in FIG. 3 and FIG. 4, for example, a lifting device S configured as a lifting type temporary scaffold is provided, such as a supporting leg material 11, a connecting brace 12, a wall joint 13 and the like. And a pair of substantially ladder-like elevating rails E erected in parallel at a predetermined interval through a pair of
And an elevating body F attached to the elevating rail E via the roller 10 so as to be able to move up and down along the longitudinal direction of the elevating rail E, And a telescopic air cylinder G having a multi-stage tube structure mounted at the lower center of the F. The elevating body F is configured to move up and down along the elevating rail E by expansion and contraction of the air cylinder G. .

The elevating rail A is made of aluminum, steel, stainless steel or the like. The left and right rail members and a plurality of horizontal members arranged at predetermined intervals between the rail members are substantially ladders. It is configured in a shape. The elevating rail A itself is of a variety of existing types, such as a considerably long one, a foldable one, an extendable one, an extendable one, and an upper end part curved in a side arc. The right and left rail members have, for example, a substantially cross-sectional shape with a laterally open cross section, and are formed so that the rollers 3 of the lift truck B can roll in the grooves. .

The lift truck B can be any type of truck such as a sliding truck, a loading truck, and a step truck depending on what is to be raised and lowered. In the illustrated example, a plurality of synthetic resin (or metal) rollers 3 can be used. A truck base frame 1 which is mounted so as to be movable along the elevating rail A, and a loading tray frame 2 which is attached to the truck base frame 1 so that the inclination angle can be arbitrarily adjusted. Have been. That is, the load receiving frame 2 is formed so as to be appropriately inclined with respect to the bogie base frame 1 so as to be able to stably support it according to what is raised and lowered. The roller 3 is disposed from the outside so as to be positioned in the groove of the rail member of the elevating rail A so as to be in contact with the projecting pieces on both sides of the groove of the rail member, and the elevating truck B deviates from the elevating rail A. Instead, it is configured to be able to move smoothly along the elevating rail A.

An air cylinder C for raising and lowering the lift truck B has a multistage tube-shaped rod and is of a telescope type capable of giving a long stroke (stroke). , And can be operated using compressed gas or the like. In particular, an aluminum cylinder is used to reduce the weight, and can withstand a load of, for example, 12 atmospheres and 300 kg. The pedestal provided at the base end portion of the air cylinder C is configured to be detachably engaged with a horizontal member or the like of the elevating rail A, and the distal end portion of the air cylinder C is provided with bolts, nuts and the like. The lifting cylinder S is configured to be attached to the lift truck B by a through pin or the like, so that the air cylinder C can be easily removed from the lift rail A or the lift truck B when the lift device S is not used.
Reference numeral 6 in the figure is a switch for operating and stopping the air compressor 5.

The lifting rail E shown in FIG. 3 and FIG.
It is made of aluminum, steel, stainless steel or the like, and is formed in a ladder shape by left and right rail members and a plurality of horizontal members. The plurality of connecting rails 12 allow the pair of elevating rails E to be arranged in parallel, and the plurality of supporting leg members 11 and the wall tie 13 form a pair of elevating rails E for a predetermined building or the like. It is configured to be able to stably stand.

The elevating body F has a substantially rectangular box frame shape surrounding its periphery so that the worker can be safely raised and lowered, and a plurality of synthetic resins (metals may be used) at its left and right ends. ) The roller 10 is mounted so as to be movable (elevated) along the elevating rail E.

Air cylinder G for raising and lowering the lifting body F
Is a telescopic type having a multi-stage tube-shaped rod and giving a long stroke (stroke), and is extended by using an air compressor, a stepping (manual) pressure pump, a compressed gas or the like. Alternatively, an aluminum cylinder may be used to reduce the weight, and for example, an aluminum cylinder capable of withstanding a load of 12 atmospheres and 300 kg may be used. The air cylinder G is formed such that its base end can be stably mounted on the ground or the like.

The specific configuration, shape, size, and material of the lifting device S, the specific configuration, shape, dimensions, and materials of the lifting rails A and E, and the specific configuration, shape, and Dimensions, materials, specific configurations, shapes, dimensions and materials of the air cylinders C, D, and G, specific configurations, shapes and dimensions of the bogie base frame 1 and the loading receiving frame 2, and specific shapes and dimensions of the rollers 3 and 10 , Material, arrangement position, number, supporting leg material 11, connecting bracing 1
2. The specific configuration, shape, size, material, arrangement position, number, and the like of the wall joint 13 are not limited to those shown in the drawings, and can be set as desired.

An example of the use of the elevating device S according to the present invention having the above-described structure will be described. For example, as shown in FIGS. The air cylinders C and D are operated by placing various construction materials and the like on the receiving frame 2 of the lift truck B, and thereby the construction materials are loaded or unloaded, and further, for example, the loading It is possible to raise and lower the receiving frame 2 at the place.

As shown in FIG. 3 and FIG.
2. Elevating rails E are erected in parallel on the wall W via the wall joint 13 and the like, and workers are mounted on the elevating body F together with various building materials and the like, and sequentially at different positions at different height positions. The work is performed, and the worker can continuously perform various works while changing the arbitrary height position while getting on and off the elevating body F without getting on and off the elevating body F.

Although not shown in the drawings, for example, the present invention is not limited to the case where the apparatus is used by being installed on the ground surface at a building construction site. Alternatively, it can of course be used when the elevator rail A or the like is fixed to a pillar to be lifted on the upper floor, or when each operation of the upper floor portion is performed.

Although not shown in the drawings, the lifting rail A may be supported by a column structure having a telescopic cylinder capable of moving up and down, so that a self-standing structure can be obtained. In other words, a stretchable ladder-like elevating rail, an elevating trolley movable along the elevating rail, a telescopic air cylinder for elevating the elevating trolley, and a tip at the upper end of the elevating rail And a rail supporting air cylinder on which the rails are mounted. The rail supporting air cylinder is configured to extend by an extension operation of the rail supporting air cylinder. And a tip end thereof is formed so as to be attachable to a lift truck, and the lift truck is moved up and down along the lift rail by the expansion and contraction operation of the air cylinder. .

[0025]

Accordingly, the lifting device S according to the present invention comprises a substantially ladder-like lifting rail A, a lifting truck B movable along the lifting rail A, and a telescopic air cylinder C. The air cylinder C is formed so that its base end can be locked to the elevating rail A and its distal end can be mounted on the elevating trolley B. The elevating trolley B is raised and lowered by the expansion and contraction operation of the air cylinder C. Since it is configured to move up and down along the rail A for use, it can be used as a lifting device that can move the elevator B up and down reliably and smoothly along the rail A for up and down just by operating the air cylinder C.
In addition, even if the air cylinder C breaks down, the lift truck B does not suddenly descend along the lift rail A, which is extremely safe for the operator. In addition, the entire structure of the lifting device S can be simplified, and the lifting rail A is substantially ladder-shaped, can sufficiently withstand the load of the transported object, is easy to assemble, and can be installed at any location. Can be used, excellent in versatility and mobility,
Failure and trouble are unlikely to occur.

In particular, since the telescopic air cylinder C is used, it is easy to reduce the weight of the lifting device S as a whole, and it is possible to expand the lifting range of the lifting truck B.
In addition to excellent workability, the base end of the air cylinder C can be locked to the elevating rail A so that it is integrated with the elevating rail A and separated and separated during operation, making operation uncertain. Nor.

Moreover, since the base end of the air cylinder C is formed so as to be able to lock to the rail A for lifting and lowering, and the front end is formed so as to be mounted to the bogie B, not only can the mounting of the air cylinder C be easily performed, but also. The air cylinder C can be removed, and assembly and disassembly can be performed very easily.

The elevating rail A is formed by combining a plurality of rails 4 so as to be extendable, while the elevating truck B is a plurality of rollers corresponding to each of the rails 4 of the elevating rail A. 3, any roller 3 always engages with any of the rails 4 even if the position where the ascending and descending bogie B engages with the rail 4 of each step on the elevating rail A is different. Since the height position of the wall W or the like used for leaning is different, it is possible to cope with the elevating rail A extended corresponding to the height position.

Further, since the lift truck B is provided with the load receiving frame 2 which rises and falls by the operation of the air cylinder D, the lift truck B falls down at the upper part of the lift rail A, for example, so that it can be lifted and lowered at the final loading place which is a high place. It is also possible to dispose it above the rail A in a laid-down state, so that unloading of building materials and other conveyed objects can be facilitated, and the workability is excellent.

Further, a pair of substantially ladder-like elevating rails E, which are erected in parallel at a predetermined interval, are disposed between the pair of elevating rails E, and are movable up and down along the elevating rails E. And a telescope-type air cylinder G whose tip is mounted at the center of the elevating body F. The elevating body F moves along the elevating rail E by the expansion and contraction operation of the air cylinder G. The lifting and lowering body F is well-balanced and stably moved along the pair of lifting and lowering rails E simply by operating the air cylinder G.
It can be used as an elevating scaffold that can be moved up and down reliably and smoothly. The work efficiency can be dramatically increased because any work height position can be selected by adjusting the height position of the elevating body F by the expansion and contraction operation of the air cylinder G, and even if the air cylinder G fails, Lifting body F
Does not suddenly descend along the pair of elevating rails EA, and is extremely safe for the operator. The overall configuration can be relatively simplified, and the versatility is excellent.
Failure and trouble are unlikely to occur.

In particular, since the telescopic air cylinder G is used, the entire lifting device S can be easily reduced in weight, the range of lifting and lowering the lifting body F can be expanded, and workability is excellent.

[Brief description of the drawings]

FIG. 1 is a side view illustrating a lifting device when the present invention is configured as a lifting device.

FIG. 2 is a side view illustrating another embodiment of the present invention.

FIG. 3 is a side view illustrating another elevating device when the present invention is configured as an elevating scaffold.

FIG. 4 is a front view of the lifting device shown in FIG. 3;

[Explanation of symbols]

S: Elevating device A: Elevating rail B: Elevating truck C: Air cylinder D: Air cylinder E: Elevating rail F: Elevating body G: Air cylinder 1: Truck base frame 2: Load receiving frame 3: Roller 4: Rail 5 ... Air compressor 6 ... Switch 10 ... Roller 11 ... Support leg material 12 ... Connection bracing 13 ... Wall connection

Claims (4)

[Claims] 1. An elevator comprising a substantially ladder-like elevating rail, an elevating trolley movable along the elevating rail, and a telescope-type air cylinder, wherein a base end of the air cylinder has an elevating rail. A lifting and lowering device which is formed so that it can be locked to the vehicle and a tip end thereof can be attached to the lifting and lowering vehicle, and the lifting and lowering vehicle moves up and down along the lifting and lowering rail by the expansion and contraction operation of the air cylinder. 2. The elevating rail is formed so as to be freely extendable by combining a plurality of rails, and the elevating carriage is provided with a plurality of stages of rollers corresponding to each rail of the elevating rail. The lifting device according to claim 1. 3. The elevating device according to claim 1, wherein the elevating vehicle is provided with a load receiving frame which rises and falls by operation of an air cylinder. 4. A pair of substantially ladder-like elevating rails which are erected in parallel at predetermined intervals, and are mounted between the pair of elevating rails so as to be able to move up and down along the elevating rails. A lifting / lowering body, and a telescope-type air cylinder having a distal end mounted at the center of the lifting / lowering body, and configured so that the lifting / lowering body moves up and down along the lifting rail by expansion and contraction of the air cylinder. Elevating device characterized.