JP3077421B2 - Height lifting machine mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mounting a hoist at a high place, which allows a hoist to be suspended from a floor by a remote control on a hanger mounted on a ceiling of a concrete building.

[0002]

2. Description of the Related Art Conventionally, in the case of installation of piping and installation of heavy equipment in a concrete building such as a nuclear power plant, a ceiling is used.
Lifting machine with a shackle etc. to the hanging bracket attached to
The crane was used to suspend pipes and equipment .

[0003]

However, in this case, the worker had to ascend to a high place and mount the lifting machine , so that a work platform or a scaffold had to be prepared. Also, if workers rise to high places, there is no danger of falling,
A lot of trouble and cost are required for the countermeasures and education, and safety work is prioritized, which causes a decrease in efficiency of piping work and the like.

SUMMARY OF THE INVENTION An object of the present invention has been made in view of the above-mentioned problems, and it is possible to easily and safely set up a large number of hoisting machines , reduce the setting cost, and improve the efficiency of piping work or heavy lifting work. To provide an altitude crane mounting device that can

[0005]

According to the first aspect of the present invention, a ceiling is provided.
Lifting machine with a shackle
An apparatus for mounting a high-lift crane to be suspended, comprising: a column that can be extended and retracted on a trolley that can travel on the floor; an arm provided at an upper end of the column; and a hanger mounting device that is mounted to a tip of the arm. And the hanging device mounting device comprises:
Make sure that the shackle bolt insertion hole is aligned with the bolt axis
And a holder for holding the shackle,
The shackle is disposed on one side of
A bolt that moves in the axial direction while rotating the bolt of the knuckle
G rotating means and the shackle bolt held
And a nut holder disposed on the other side in the axial direction and holding a nut of the shackle .
According to a second aspect of the present invention, the bolt rotating / moving means includes
Has a bolt holder at the tip for holding the buckle bolt
Rotating shaft, and rotating while supporting the rotating shaft slidably.
Bolt rotating device and the bolt rotating device
A moving device for moving the rotating shaft during rotation in the axial direction.
It is configured.

[0006]

According to the present invention, a lifting machine such as a wire and a chain block is suspended from a telescopic arm.
After mounting the shackle, it is extended the arm by remote control from the floor, through a bolt hanger installed the shackle ceiling mounting. Therefore, the lifting machine can be easily and safely attached without the worker climbing to a high place.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the embodiments shown in the drawings. FIG. 1 is a schematic configuration diagram showing an embodiment of a high-lift device according to the present invention, FIGS. 2 to 7 are explanatory diagrams of the operation of the high-lift device, and FIGS. It is the principal part top view and principal part side view of the hanging tool attachment device of a hoist attachment device. A trolley 3 that can travel on the floor 1 via wheels 2
On the upper side, a telescopic column 4 is vertically arranged in a vertical state, and an arm 5 is attached to an upper end of the column 4. In addition, a wheel rotating device 6, a push handle 7 and a rudder 8 are disposed on the carriage 3 in addition to the support column 4.

At the tip of the arm 5, a hanging attachment 9 is attached. The hoist mounting device 9 holds a shackle 12 in which a hoisting machine 10 such as a chain block is hung by a wire 11, and has an axis of a bolt 13 and a nut 14 and a bolt insertion hole 12 </ b> A of the shackle 12 (see FIG. 9). And a holder 16 having an adjustment bolt 15 for centering the shackle 12 so that
While being disposed on one side of rotating the bolt 13, the nut 1 is penetrated through the bolt insertion hole 12A of the shackle 12
4 is provided with a bolt rotating / moving means to be screwed with the bolt 4 . this
The bolt rotating / moving means includes a bolt 1 of the shackle 12.
Rotating shaft having a bolt holder 19A at its tip for gripping 3
19 and the rotating shaft 19 while being slidably supported.
Bolt rotating device 17 and the bolt rotating device 17
Therefore, a moving device 18 for moving the rotating shaft 19 during rotation in the axial direction is provided.

As shown in FIG. 10, the bolt rotating device 17 includes a rotating member 20 (a hatched portion in FIG. 10) disposed around the rotating shaft 19 having a hexagonal cross section, Motor 21 for rotating member 20
And The motor 21 uses the battery 21A as a power source.
And the rotating member 20 is rotated by a transmission mechanism (not shown).
Let it. A permanent magnet 22 is fitted in a bolt holder 19A provided at the right end of the rotating shaft 19. Also, axis 1
9, a moving device 1 as shown in detail in FIG.
8 is connected rotatably,
A string 24 is connected to one end of the lever 23.
Further, a nut holder 25 is provided so as to face the bolt holder 19A of the rotary shaft 19, and the nut 14 held in the nut holder 25 is integrated with a stop washer 26 in advance as shown in FIG. It is configured to be set as follows. The nut holder 25 is constantly pressed and urged toward the bolt holder 19A by a spring 27, and a shaft 2 provided integrally with the nut holder 25
A string 30 is connected to a rear end side of 8 via a lever 29.

As shown in FIG. 9, a supporting portion 31 for supporting and positioning the bolt holder 19A is provided below the bolt holder 19A. It is configured to be constantly urged upward. The support portion 31 is tilted to the right as the permanent magnet 22 and the bolt 13 move rightward in FIG. 9, and is elastically returned to the left by a spring 32 when the permanent magnet 22 and the bolt 13 come off the groove portion 19B of the bolt holder 19A. .

Next, the operation of the apparatus for mounting a high altitude lift constructed as described above will be described with reference to FIGS. First, as shown in FIG. 2, the carriage 3 is moved to a position corresponding to a position below the hanging bracket 33 provided on the ceiling with the support 4 compressed. Next, a shackle 12 in which a suspending device 10 such as a chain block is suspended by a wire 11 is mounted on a holder 16 of a suspending device attaching device 9 provided on an arm 5 attached to the telescopic support 4 on the carriage 3. It is inserted from the side opening and attached (see FIG. 3). And
The alignment is performed with the adjustment bolt 15 (see FIG. 8) so that the shaft cores of the bolt 13 and the nut 14 and the bolt insertion hole 12A of the shackle 12 match.

Next, as shown in FIG. 4, the shackle 1 attached to the holder 16 is
2 is raised to the lower height position of the hanging bracket 33 on the ceiling. Thereafter, the handle 6A of the wheel rotating device 6 of the bogie 3 is manually rotated to adjust the shackle 12 to a position immediately below the hanging bracket 33, and the support 4 is adjusted so that the axis of the bolt 13 is U-shaped. Get inside the club.

Next, the bolt 13 is inserted. First, the motor 21 of the bolt rotating device 17 is driven to rotate the rotating member 2.
Rotate 0. Then, the rotation shaft 19 is also rotated by the rotation of the rotation member 20, and the bolt H at the right end of the rotation shaft 19 is rotated.
The bolt 13 set in the rudder 19A rotates. Thereafter, the string 24 suspended from the lever 23 of the moving device 18 is slowly pulled from the floor, and the rotating shaft 19 is bolted.
The bolt 13 is screwed to the nut 14 as shown in FIG. 5 by moving to the right while sliding in the rotating member 20 of the rotating device 17 . Next, as shown in FIG. 6, the support 4 is shortened to lower the entire hanger mounting device 9 a little, and the hanger mounting device 9 is opened by the wheel rotating device 6 of the bogie 3 into the opening 9A (FIG. 9).
(See FIG. 7), and when the wire 11 comes off, the column 4 is shortened to the bottom as shown in FIG. This completes the work.

As shown in FIG. 11, the telescopic strut 4 on the carriage 3 may be slightly inclined, and the push handle 7 may be directly attached to the strut 4. Since other basic configurations are the same as those in the first embodiment, detailed description thereof will be omitted. FIG. 12 shows a modification of the apparatus shown in FIG. That is, the apparatus shown in FIG. 11 has a structure in which the support 4 is expanded and contracted by the hydraulic
The device shown in FIG.
It expands and contracts. The mounting positions of the wheel rotating device 6, the hand push handle 7 and the rudder 8 are the same in FIGS. 11 and 12. Further, the apparatus shown in FIG. 13 is configured to run by a carriage moving device 37 provided with the carriage 3 separately.

Further, the moving device of the carriage 3 may be driven by electric or air-driven power. In addition, the implementation
In the example, the shackle 12 is used as a bolt rotation moving means.
Bolt holder 19A at the tip to hold the bolt 13
A rotating shaft 19 which is slidably supported.
Bolt rotating device 17 for rotating while rotating the bolt
The rotating shaft 19 being rotated by the device 17 is moved in the axial direction.
Although the description provided with the moving device 18 for moving
The bolt rotation moving means is not limited to this, but the shackle bolt
Any other structure that moves in the axial direction while rotating
It may be made.

[0016]

As described above, according to the apparatus for mounting a high-altitude crane according to the present invention, it is not necessary for an operator to climb to a high place as in the prior art, and the setting work of a large number of hoists can be performed safely and easily. Can be done. Further, since it is not necessary to prepare a scaffold or the like, there is an effect that work can be performed quickly and easily, and the cost can be reduced. Further, since the worker does not need to go to a high place, the efficiency of the piping work or the heavy lifting work can be improved as compared with the case of working at a high place.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of a high-lift device according to the present invention.

FIG. 2 is an explanatory view of the operation of the high-lift device.

FIG. 3 is an explanatory view of the operation of the high-lift device.

FIG. 4 is an explanatory view of the operation of the high-lift device.

FIG. 5 is an explanatory view of the operation of the high-lift device.

FIG. 6 is an explanatory view of the operation of the high-lift equipment.

FIG. 7 is an explanatory view of the operation of the high-lift device.

FIG. 8 is a plan view of a main part of a hanging device mounting device of the high place lifting machine mounting device.

FIG. 9 is a side view of a main part of a hanging device mounting device of the high-lift device.

FIG. 10 is a schematic configuration diagram of a bolt rotating device.

FIG. 11 is a schematic configuration diagram showing another embodiment of the high-lift equipment according to the present invention.

FIG. 12 is a schematic configuration diagram showing still another embodiment of the high-lift equipment according to the present invention.

FIG. 13 is a schematic configuration diagram showing another embodiment of the high-lift equipment according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Floor 3 Dolly 4 Prop 9 Hanger mounting device 10 Lifting machine 12 Shackle 13 Bolt 14 Nut 16 Holder 17 Bolt rotating device 18 Moving device 19 Rotating shaft 25 Nut holder 33 Hanging bracket

Claims (2)

(57) [Claims] 1. A shackle attached to a hanging bracket installed on a ceiling.
This is a high-altitude crane mounting device that suspends the crane via
Thus, it is provided with a column that can be extended and retracted on a trolley that can travel on the floor, an arm provided at the upper end of the column, and a hanger mounting device attached to the tip of the arm. The bolt insertion hole of the shackle is a bolt shaft
Holder for holding the shackle so that it matches the core
And one side of this retained shackle in the bolt axis direction
The shackle bolt is rotated while the
A bolt rotation moving means for moving the
The shackle is located on the other side of the
A high lift machine mounting device, comprising: a nut holder for holding a nut of a knuckle . 2. The shack according to claim 2, wherein
With a bolt holder at the tip for gripping bolts
Shaft and a bob which rotates while supporting the rotating shaft slidably.
And the bolt rotating device
A moving device for moving the rotating shaft in the axial direction.
The high-lift crane mounting device according to claim 1, characterized in that: