JP2528452Y2 - High work equipment - Google Patents

Description

[Detailed description of the invention] [Industrial application field] In the present invention, a lower base is arranged at the lower end of a columnar body, and an upper base that can move up and down along the columnar body is attached above the columnar body, On the lower base and the upper base, for example, an upper horizontal overhanging device and a lower horizontal overhanging device having chucking means positioned between floor beams or the like during construction of a high-rise building or the like and holding the floor beams or the like are provided. In order to automatically move the column including the lower base and the upper base, and equipped with a turntable at the upper end of the column,
The turntable is equipped with a boom with a bucket that can be extended and retracted, allowing workers to ride on the bucket to expand the work area at high places, and to perform work at high places quickly, safely, and efficiently. It relates to a working device.

(Prior art)

At present, worksites at high places, particularly workplaces represented by high-rise buildings, have a final floor height of over a hundred meters above ground today.

Therefore, working at heights in such high-rise buildings is
In fact, it is much more difficult than the work of a high-rise building of about 40 to 50 meters, and the danger is many times the danger.

Therefore, when working in high places such as high-rise buildings, the work sites for high-rise buildings with a height of about 40 to 50 meters above the ground should secure a foothold for various works such as lifting and lowering construction materials and exterior work. Depending on the type of aerial work vehicle used in the project, that is, an aerial work vehicle equipped with a bucket or the like at the end of a multi-stage telescopic boom, or a crane truck, etc., it may be possible to carry out the aerial work on the intended high floor. Impossible.

Therefore, when working on such high floors,
Equipped with a crane, etc. at the upper end of a column that stands vertically approximately at the center of the high-rise building, and as the floor is built upward, new column attachments are sequentially added to increase the height of the crane, thereby making various construction materials. At present, tower cranes that perform lifting and lowering operations are used.

[Problems to be solved by the invention]

However, conventional tower cranes use a method of gradually increasing the height of the crane by gradually adding new support attachments as the columns equipped with cranes and the like at the upper end are built above the floor from the lower floors. It is very difficult to add the pillar attachments, and the pillars penetrate through the floors of all floors during the completion of all lifting and lowering work of construction materials to the target top floor. It interfered with various tasks,
Also, the removal operation is extremely complicated.

In addition, conventional work at heights using a tower crane mainly has the crane function, that is, to efficiently raise and lower construction materials and the like, and assembles construction materials and the like conveyed to a higher floor by a crane. In the case of exterior work, it is a fact that a toeman who specializes in working at heights is introduced, safety scaffolds are assembled, or condras are hung with cranes. It has various problems such as very low efficiency and very high risk.

[Means for solving the purpose and problem of the invention]

The present invention has been made in view of the above-described problems, and has a purpose of disposing a lower base at a lower end of a columnar body, and being able to move up and down along the columnar body above the columnar body. An upper horizontal overhanging device having an upper base attached thereto and a chuck means for holding the floor beam or the like between the floor beams or the like during the construction of a high-rise building or the like on the lower and upper bases, A horizontal overhanging device is provided so that the columnar body including the lower base and the upper base can be automatically moved, and a turntable mounted on the upper end of the columnar body is provided with a boom with a bucket that can expand and contract and bend freely. The purpose of this is to provide a high-altitude work device that can perform high-altitude work quickly, safely, and efficiently by mounting a worker on a bucket to expand the work area. A lower horizontal overhanging device provided on the lower base and having a chuck means for holding a floor beam or the like at a tip, a columnar body erected on the lower base, and vertically movable along the columnar body above the columnar body An upper base that is attached to the upper base, and an upper horizontal overhanging device having a chuck means that is provided on the upper base and clamps a floor beam or the like at a tip thereof,
A turntable equipped at the distal end of the columnar body, an undulating and retractable lower boom pivotally attached to the base end of the turntable, and an upper boom connected to the distal end of the lower boom via a bending and stretching mechanism; And a bucket mounted on the tip of the upper boom.

[Action]

Since the above configuration is adopted, it is possible to install the aerial work apparatus on the intended floor without being affected by the height of the construction level, and the aerial work apparatus is moved by the columnar body. After raising the upper base attached to the upper part along the columnar body, extending the upper horizontal overhanging device provided on the upper base and holding the desired floor beam, etc., the columnar body including the lower base is raised to a predetermined height. Lift the lower horizontal overhanging device provided on the lower base, clamp the floor beam, etc., and fix the lower base to the floor beam, etc., so that all of the altitude work equipment can be moved. It can be moved very quickly and safely, and a turntable is mounted on the upper end of the columnar body, and the turntable is equipped with a telescopic lower boom and an upper boom with a bucket at the tip, and work on the bucket Since the by boarding and performs aerial, means that increased work area at heights, aerial work rapidly safely, and can be efficiently performed.

〔Example〕

Hereinafter, an embodiment of the aerial work apparatus according to the present invention will be described in detail with reference to FIG. 1 and FIG.

In the figure, reference numeral 1 denotes an aerial work apparatus,
The configuration of the main part of the present invention is as follows: a lower base 2; a lower horizontal overhanging device 4 provided on the lower base 2 and having chuck means 3 at its tip for holding a floor beam or the like; A body 5 and attached above the columnar body 5;
An upper base 7 for raising and lowering along the column 5 by built-in raising and lowering means 6, an upper horizontal overhanging device 9 having a chuck means 8 provided at the upper base 7 and holding a floor beam or the like at a tip thereof; Turntable equipped with 5 tips
10, a lower boom 12, which is raised and lowered by a raising and lowering cylinder 11 whose base end is pivotally mounted on the turntable 10, and which expands and contracts by a built-in telescopic cylinder (not shown).
It is flexibly connected to the tip of 12 and bends / extends with respect to the lower boom 12 by the bending / stretching mechanism (in this embodiment, constituted by a telescopic cylinder 13a and a link 13b), and is provided by a built-in telescopic cylinder (omitted in the drawing). The upper boom 14 includes a telescopic upper boom 14 and a bucket 15 provided at the tip of the upper boom 14.

The lower horizontal overhanging device 4 mounted on the lower base 2 includes an outer beam 4a horizontally penetrating the frame 2a constituting the lower base 2 horizontally from side to side, and a built-in telescopic cylinder attached to the outer beam 4a. (Omitted in the drawing), the inner beam 4b is horizontally and horizontally extended and contracted by a predetermined width. The upper horizontal overhanging device 9 mounted on the upper base 7 also has an outer beam 9a horizontally penetrating the frame 7a constituting the upper base 7 horizontally.
And an inner beam 9b that is attached to the outer beam 9a and that expands and contracts horizontally by a predetermined width horizontally left and right by a built-in telescopic cylinder (not shown). The chuck means 3 for holding a floor beam or the like provided at the distal end of the lower horizontal overhanging device 4 includes a jack post fixed at the base end to the lower surface of the inner beam 4b and vertically projecting downward.
3a and an L-shaped chuck body 3b which expands and contracts downward by a telescopic cylinder (omitted in the figure) built in the jack post 3a. The chuck means 8 for holding a floor beam or the like provided at the distal end of the upper horizontal overhanging device 9 also has a jack post 8a having a base end fixed to the lower surface of the inner beam 9b and vertically projecting downward. An L-shaped chuck body 8b which extends and contracts downward by a telescopic cylinder (not shown) built in the jack post 8a.

The lifting means 6 built in the upper base 7
In the present embodiment, at least two grips 6a and 6b are arranged on the outer periphery of the columnar body 5 at regular intervals vertically and a hydraulic cylinder 6c is arranged between the grips 6a and 6b. Both grips 6a, by the vertical expansion and contraction operation of 6c,
6b, the feed operation is performed in the upward direction, and the gripping action of the grips 6a, 6b is switched with respect to the column 5 in synchronization with the feed operation, and the upper base 7 is moved up and down along the column 5 by a so-called scale insect method. It is configured to do so. A bucket 15 provided at the tip of the upper boom 14 has a telescopic arm interposed between the boom head 14a and the bucket 15. A built-in telescopic cylinder (omitted in the figure) 15a is vertically vertically movable by a telescopic arm. It is configured to be pivotable about the arm 15a.

In the above-described configuration, at least two grips 6a and 6b are arranged at regular intervals vertically on the outer periphery of the columnar body 5 as the elevating means 6, and a hydraulic cylinder 6c is arranged between the grips 6a and 6b. The hydraulic cylinder 6c is vertically extended and contracted to perform an upward feed operation of the grips 6a and 6b, and the chucking action of the grips 6a and 6b on the columnar body 5 is synchronized with the feed operation. Although the switching is performed and the upper base 7 is moved up and down along the columnar body 5 by a so-called scale insect method, for example, the upper base 7 may be moved up and down by interposing a rack and pinion mechanism between the columnar body 5 and the elevating means 6. Holes may be provided in the body 5 at predetermined intervals, and the knock pins built in the upper base 7 may be alternately inserted into and removed from the holes, and may be sequentially moved up and down. In particular, the present invention is not limited to the above embodiment. .

Hereinafter, the operation of the aerial work apparatus according to the present invention based on the above configuration will be described.

That is, as shown in the figure, the aerial work apparatus 1 according to the present invention is used standing on a construction site such as a high-rise building, and the aerial work apparatus 1 is installed first on the ground floor F1.
Done in The installation on the ground floor F1 is performed by extending the inner beams 4b constituting the left and right lower horizontal overhanging devices 4 mounted on the lower base 2 to a predetermined extent, and
Chuck means 3 for holding a floor beam or the like provided at the tip of
In other words, the chuck body 3b is extended from the jack post 3a to hold the left and right foundation beams A arranged on the ground floor F1 (in this case, a spacer or the like is interposed between the chuck body 3b and the beam). With this installation, the pillars 5 erected on the lower base 2 are vertically arranged. When the column 5 is erected, the turntable 10 and the lower boom 12, the upper boom 14, and the bucket 15 are mounted on the tip of the column 5.
May be installed at the tip of the column 5 from the beginning, or may be installed using a crane or the like at the time when the lower base 2 and the column 5 have been firmly erected. It should be done according to the situation. In addition, since the upper base 7 at the above stage has not been operated by the lifting / lowering means 6,
It is located just above the lower base 2 and in an overlapping state.

When the vertical standing of the column 5 and the firm fixing of the lower base 2 to the foundation beam A are completed, the lifting means 6 built in the upper base 7 is operated to move the upper base 7 to the column 5. Up and down along. That is, while the two grips 6a, 6b, which are arranged at regular intervals on the outer periphery of the columnar body 5, are sent upward by the hydraulic cylinder 6c, the columnar shape of the grips 6a, 6b is synchronized with the feed operation. The switching of the chucking action for the body 5 raises the entire upper base 7 to the next floor F2, and the inner beam constituting the left and right upper horizontal overhanging devices 9 mounted on the upper base 7
The chuck means 8 for extending the predetermined beam 9b and holding a floor beam or the like provided at the tip of the inner beam 9b, that is, the chuck body 8b is extended from the jack post 8a to hold the left and right beams B arranged on the floor F2. (In this case, the chuck body 8b
A spacer or the like is interposed between the beam and the beam) to hold the position above the columnar body 5. When the columnar body 5 is stably erected,
An operator rides on a bucket 15 provided at the tip of the columnar body 5, turns the turntable 10, raises and lowers the lower boom 12, expands and contracts the upper boom 14, expands and contracts the upper boom 14, expands and contracts the telescopic arm 15 a, and moves the bucket 15. The user is guided to a target work position to perform a predetermined work at a high place. Then, the floor F2
When the work in the high place is completed, the upper base 7 is moved to the floor F3 along the column 5 by performing the same operation as above, and the column 5 is stably held. After performing the high-place work on the floor F3 and finishing the high-place work on the floor F3, the upper base 7 then projects to the side of the lower base 2 with the floor beam or the like sandwiched between the beams C of the floor F3. The holding of the foundation beam A by the chucking means 3 of the lower horizontal overhanging device 4 is released to maintain the shortened state. Then, the lifting means 6 incorporated in the upper base 7 is operated to move the columnar body 5 including the lower base 2 upward, and the lower base 2 is mounted on the lower base 2 when the lower base 2 reaches the position of the floor F2. The inner beam 4b constituting the left and right lower horizontal overhanging device 4 is extended for a predetermined time, and the chuck means 3 for holding the floor beam or the like provided at the tip of the inner beam 4b is again extended to operate the left and right disposed on the floor F2. Of the columnar body 5 is held by sandwiching the beam B. The turntable 10, the lower boom 12, the upper boom 14, and the bucket mounted on the tip of the column 5 at the same time as the column 5 moves upward.
The position 15 is also moved to an upper floor, so that the work is sequentially shifted to higher floors on higher floors.

That is, according to the aerial work apparatus 1 of the present invention, the aerial work apparatus 1 can be moved to and installed on a target floor without being affected by the height of the construction level. To move the working device 1, the upper base 7 attached above the columnar body 5 is raised along the columnar body, the upper horizontal overhanging device 9 provided on the upper base 7 is extended, and chuck means 8 for clamping floor beams and the like. After holding the desired floor beam or the like, the columnar body 5 including the lower base 2 is raised to a predetermined height by the elevating means 6 built in the upper base 7, and the lower horizontal extension provided on the lower base 2 is extended. The device 4 is extended, and a floor beam or the like is sandwiched by the chuck means 3 at the tip, and the lower base 2
Is fixed to a floor beam or the like, so that the high work device 1 can be moved entirely. Therefore, the high work device 1 can be moved very quickly and safely, and a turntable is provided at the upper end of the columnar body 5.
Since the turntable 10 is equipped with an extendable lower boom 12 and an upper boom 14 equipped with a bucket 15 at the tip, a worker is mounted on the bucket 15 to perform high-altitude work. Expansion of the work area at a high place, for example, with a conventional crane, only the lifting and lowering work of various construction materials could be performed, but with the high work apparatus 1 of the present invention, a worker works on a bucket 15 like a high work vehicle. It is possible to perform a wide range of high-altitude work while freely moving in the work position by boarding, and it is possible to perform such high-altitude work quickly, safely and efficiently.

[Effect of the invention]

The present invention, as described in detail above, includes a lower base,
A lower horizontal overhanging device provided on the lower base and having a chuck means for holding a floor beam or the like at a tip, a columnar body erected on the lower base, and vertically movable along the columnar body above the columnar body An upper base provided on the upper base, an upper horizontal overhanging device having a chuck means for holding a floor beam or the like at a tip thereof, a turntable provided at a tip of the columnar body, and a base mounted on the turntable. The lower end of the lower boom is pivotally connected to the upper end of the lower boom, and the upper end of the lower boom is connected to the end of the lower boom via a bending and stretching mechanism. The aerial work equipment can be installed on the intended floor without being affected by the height of the platform, and the aerial work equipment can be moved by moving the upper base attached above the column along the column. After raising the upper horizontal overhanging device provided on the upper base and holding the desired floor beam, etc., the columnar body including the lower base is raised to a predetermined height at the upper base and provided on the lower base. Since the lower horizontal overhanging device is extended to hold the floor beams, etc., and the lower base is fixed to the floor beams, etc., all the work at height is moved, the movement of the work at height is very quick, and It can be done safely, and a turntable is mounted on the upper end of the columnar body, and the turntable is equipped with an extendable lower boom and an upper boom equipped with a bucket at the tip, and workers are mounted on the bucket to work at heights Because
There are various excellent effects such as the work area at high places can be expanded, and the work at high places can be performed quickly, safely and efficiently.

[Brief description of the drawings]

FIG. 1 is a side view showing an example of the aerial work apparatus according to the present invention, and FIG. 2 is a perspective view of a main part showing a use state of the aerial work apparatus according to the present invention. DESCRIPTION OF SYMBOLS 1 ... Working device at height, 2 ... Lower base, 2a ... Frame body, 3 ... Chuck means, 3a ... Jack post, 3b ... Chuck body, 4
... lower horizontal overhanging device, 4a ... outer beam, 4b ... inner beam, 5 ... columnar body, 6 ... elevating means, 6a, 6b ... grip, 6c ... hydraulic cylinder, 7 ... upper base, 8 ... chuck means, 8a ... Jack post, 8b chuck body, 9 upper horizontal extension device, 9a outer beam, 9b inner beam, 10 turntable, 11 up / down cylinder, 12 lower boom, 13 bending / stretching mechanism, 13a telescopic cylinder , 13b: link, 14: upper boom, 14a: boom head, 15: bucket, 15a: telescopic arm, A, B, C: beam.

Claims (1)

(57) [Scope of request for utility model registration] 1. A lower horizontal overhanging device having a lower base, a chuck means provided at the lower base and holding a floor beam or the like at a tip thereof, and a columnar body erected on the lower base.
An upper base that is attached to the column so as to be able to move up and down along the column, an upper horizontal overhanging device provided with the upper base and having a chuck means for holding a floor beam or the like at a tip thereof; A turntable equipped at the tip,
The turntable is composed of a lower boom that is pivotally mounted on the turntable and that can be extended and retracted, an upper boom that is connected to a distal end of the lower boom via a bending and stretching mechanism, and a bucket that is mounted on a distal end of the upper boom. An aerial work device characterized by being performed.