JP2516791Y2 - Heavy goods handling equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heavy object handling device for gripping a work object, for example, a heavy object such as a large pump when disassembling, inspecting or repairing it.

[0002]

2. Description of the Related Art A conventional example of a work handling device for gripping a large pump at the time of disassembling, inspecting, repairing, etc. will be described with reference to FIG. 6, in which 41 is a base frame and 42 and 42 are erected on the base frame 41. Pillars, 43 and 43 are reversing jigs, 44 is a pin for pivotally supporting the central portion of each reversing jig 43 to the upper end of each pillar 42, and 45 is each reversing shaft 43.
Is a pin for detachably mounting one end or the other end of the column to the lower end of each of the columns 42, 46 is a mounting bolt, and W is a large pump (work target).

In this handling device for work, the large pump W is attached to one end side of the reversing jigs 43, 43 by the mounting bolts 46, and then the large pump W is lifted by the overhead traveling crane, and the reversing jigs 43, 43 are lifted by the pin 45. 43
The lower end of the large pump W is fixed to the columns 42, 42, the large pump W is supported in the state shown in the figure, and then a work scaffold is installed around the large pump W to disassemble, inspect, repair, etc. the large pump W. Do the work.

When it is necessary to invert the large pump W during work, the work scaffold is once disassembled, the large pump W is supported by an overhead traveling crane, and then the pin 45 is removed to invert the jigs 43, 43. And the large pump W are made reversible, then the reversing jigs 43, 43 and the large pump W are hoisted by an overhead crane to invert them around the pin 44, and then the pin 45 is used to support the lower ends of the reversing jigs 43, 43 to the support columns. 42, 42 fixed to support the large pump W,
Next, a scaffold for work is rebuilt around the large pump W (assembled) so that the large pump W can be disassembled, inspected, and repaired.

[0005]

In the conventional work handling device shown in FIG. 6, the scaffold for work must be disassembled, assembled, and the crane must be operated every time the large pump W is reversed. In addition to requiring
All of the work is done manually, prolonging the work time such as disassembly, inspection, and repair. Further, since the reversing jigs 43, 43 are only reversed around the pin 44, there is a problem that the large pump W cannot be held at an arbitrary position.

The present invention is proposed in view of the above-mentioned problems, and the object of the present invention is to shorten the work time such as disassembly, inspection, and repair. The work to be worked can be held at any position. Another point is to provide a heavy-weight handling device that can ensure the safety of work reversal work during work processes such as disassembly, inspection, and repair.

[0007]

In order to achieve the above object, the heavy object handling device of the present invention has a pair of tilting central shafts projecting outward from a position 180 ° apart from the outer peripheral portion of the turning base ring. Then, the swivel base ring is tiltably mounted on the base frame via the tilting center shafts and bearings of the tilting center shafts. A swivel seat is mounted so as to be swivelable, and a work clamp jig that detachably holds a work target is mounted on the inner peripheral part of the swivel seat, and a tilting gear is attached to one of the tilting center shafts. , The tilting gear is meshed with the gear of the tilting rotation drive device and the gear of the tilting position fixing brake device, and the work table is provided on the base frame so as to be able to move back and forth in the direction of the turning base ring. Same work It is attached a working scaffold via a pantograph lifter capable stretching in the vertical direction above.

[0008]

The heavy-weight handling device of the present invention is constructed as described above, and when the clamp jigs for the respective workpieces are in the non-clamping position, the workpieces conveyed by the overhead traveling crane are hung and unloaded. Load the upper flange of the work piece on each support part of the ring swivel seat, then rotate each work clamp jig to the clamp position,
The work piece is fixed to each support of the ring swivel seat.
In addition, the work scaffold is advanced and moved up and down to move a worker who rides on the work scaffold to a work position (worker position for performing work such as disassembly, inspection, and repair). At that time,
The rotation drive device for swing drive is driven, and the rotation is transmitted to the ring-shaped swivel seat to swivel the ring-shaped swivel seat and the work to be worked. It also drives the tilting rotary drive,
By transmitting the rotation to the swivel base ring, the swivel base ring, the ring-shaped swivel seat, and the work object are tilted or inverted. In addition, when this tilting or inversion is performed, the braking device for fixing the tilting position is operated to brake the brake disc and the tilting gear meshing with the brake disc via a gear to hold the large pump in the tilting or inversion position.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the heavy object handling device of the present invention is shown in FIG.
To explain with reference to an embodiment shown in FIG. 5, 1 is a base frame, 1 ', 1'is a bearing frame standing on the base frame 1, 2 is a tilting frame, 3 and 3 are the bearing frames 1 described above. 'Supported by 4', 4 is a swivel base ring, 5 and 5 are tilting central axes, 6 is a tilting gear, 7 is a rotary drive motor for tilting, 8 is a worm speed reducer, 9, 1
Gears 0, 18 and 20 are provided.

11 is a brake disk, 12 is a braking device for fixing the tilt position, 13 and 19 are pulse encoders, 14
Is a slewing bearing, 15 is a ring-shaped slewing seat, and 15a is a plurality of work support parts (16 in the drawing) provided at equally spaced circumferential positions on the inner peripheral part of the ring-shaped slewing seat 15, and 16 are the same. The outer peripheral gears 17 of the swivel seat 15 are swivel drive motors.

Reference numeral 21 is a jig for a plurality of work clamps, 2
2 is a workbench base frame, 23 is a rail, 24 is a rack, 25 is a workbench, 26 is a workbench forward / backward movement motor, 27
Is a pandagraph hydraulic lifter, 28 is a handrail, 29, 30
Is a work scaffold. 31 is a drain pipe, 32 is a pin,
The pins 32 move the respective work clamp jigs 21 to the positions at equal intervals in the circumferential direction of the inner peripheral portion of the ring-shaped swivel seat 15 in correspondence with the respective work support portions 15a as shown by the solid line positions in FIG. 4 (b). It swingably supports between the two-dot chain line position. Reference numeral 33 is a mounting bolt for detachably fixing the work clamp jig 21 and the large pump (work to be worked) W.

180 of the outer peripheral portion of the swivel base ring 4
A pair of tilting central shafts 5 project outward from the separated position. Further, the swivel base ring 4 is tiltably mounted on the base frame 1 via the tilting center shafts 5 and the bearings 3 of the tilting center shafts 5 and the bearing frame 1 ′. A ring-shaped swivel seat 15 is rotatably attached to the inner peripheral portion of the swivel base ring 4 via a swivel bearing 14.

Further, a plurality of (eight in the drawing) work clamp jigs 21 for detachably gripping a large pump (work to be worked) W are provided at equally spaced circumferential positions on the inner peripheral portion of the swivel seat 15. Installed on. Further, one of the tilting central shafts 5 is provided with a tilting gear 6 on one of the tilting central shafts 5, and the tilting gear 6 is provided with a gear 9 of a tilting rotary drive motor 7 and a gear 10 of a tilting fixing braking device 12. It is in mesh.

A workbench 25 is provided on the base frame 1 via a rail 23 so that the workbench 25 can be moved forward and backward in the direction of the turning base ring 4. Further, work scaffolds 29 and 30 are mounted on the work table 25 via a pandagraph type hydraulic lifter 27 that can be expanded and contracted in the vertical direction. The same work scaffold 2
The work scaffold 30 above 9 and 30 can be expanded and contracted in four directions of the turning base ring.

Next, the operation of the heavy object handling device shown in FIGS. 1 to 5 will be specifically described. When each work clamp jig 21 is rotated to the position indicated by the chain double-dashed line in FIG. 4B, the large pump (work to be worked) W conveyed by the overhead traveling crane is hung up to W
The upper brim-shaped portion is loaded on each support portion 15a of the ring swivel seat 15.

Next, each work clamp jig 21 is rotated about the pin 32 from the position indicated by the chain double-dashed line in FIG. 4B to the position indicated by the solid line, and each bolt 33 is screwed in to move the large pump W into the ring swivel seat 15. It fixes on each support part 15a (FIG. 5).
(A)). At that time, the workbench forward / backward movement motor 26 is driven in the forward direction to move the workbench 25, the pandagraph hydraulic lifter 27, the work scaffolds 29 and 30 forward along the rail 23, and the pandagraph hydraulic lifter 27 is moved. By operating in the vertical direction, the worker who rides on the work scaffold 30 is moved to the work position (the position of the worker who performs work such as disassembly, inspection, and repair).

At that time, the turning drive motor 17 is driven, and its rotation is transmitted to the ring turning seat 15 via the outer peripheral gear 16 of the ring turning seat 15, and the ring turning seat 15 is rotated.
And the large pump W are rotated. Further, the rotation drive motor 7 for tilting is driven, and its rotation is transmitted to the worm speed reducer 8 → gear 9 → gear 6 for tilting → tilt center shafts 5, 5 → turning base ring 4 so that the turning base ring 4 and the ring described above can be transmitted. The swivel seat 15 and the large pump W are tilted or inverted (see FIG. 5B).

During this tilting or inversion, the tilting position fixing braking device 12 is actuated to brake the brake disk 11 and the tilting gear 6 meshing with the brake disk 11 via the gear 10 to thereby drive the large pump W. Is held in the tilted or inverted position.

[0019]

[Effects of the Invention] As described above, the heavy-weight handling device of the present invention hangs up the work to be carried by the overhead traveling crane when each work clamping jig is in the non-clamping position, The upper flange part of the target work is loaded on each support part of the ring swivel seat, and then each work clamp jig is rotated to the clamp position to fix the work target work to each support part of the ring swivel seat. . In addition, the work scaffold is advanced and moved up and down to move a worker who rides on the work scaffold to a work position (worker position for work such as disassembly, inspection, and repair). At that time, the rotation drive device for turning drive is driven, and the rotation is transmitted to the ring-shaped swivel seat to swivel the ring-shaped swivel seat and the work to be worked. Further, the rotation drive device for tilting is driven, and the rotation thereof is transmitted to the swivel base ring, so that the swivel base ring, the ring-shaped swivel seat, and the work object are tilted or inverted. During this tilting or inversion, the tilting position fixing braking device is operated to brake the brake disc and the tilting gear meshing with the brake disc via a gear to hold the work piece in the tilting or inverted position. Therefore, the work time such as disassembly, inspection, and repair can be shortened, and the work piece can be held at any position.

Further, the work reversing work is safe in the work process such as disassembly, inspection and repair without the need for reassembling and disassembling the work scaffold which has been performed every time when the posture of the work is changed. There is an effect that can secure the sex.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a heavy object handling device according to the present invention.

FIG. 2 is a plan view thereof.

FIG. 3 is a side view thereof.

FIG. 4A is a plan view of a work clamp jig.
(B) is a side view of the clamp jig part for the same work.

5 (a) and 5 (b) are operation explanatory views of the same weight object handling device.

FIG. 6 is a perspective view showing a conventional heavy object handling device.

[Explanation of symbols]

 1 Base Frame 3 Bearing 4 Swiveling Base Ring 5 Tilt Center Axis 6 Tilt Gear 7 Tilt Rotation Drive 9 Gear of Tilt Rotation Drive 7 10 Gear of Tilt Position Fixing Brakes 11, 12 11 Tilt Position Fix Braking Device 12 Tilting position fixing braking device 14 Slewing bearing 15 Ring-shaped swivel seat 21 Work clamp jig 25 Work table 27 Pandagraph type lifter 29 Work scaffold 30 Work scaffold W Work target work

 ─────────────────────────────────────────────────── ─── Continuation of front page (73) Utility model holder 000230940 Japan Atomic Power Company, Inc. 1-6-1, Otemachi, Chiyoda-ku, Tokyo (73) Utility model holder 000006208 Mitsubishi Heavy Industries, Ltd. Marunouchi, Chiyoda-ku, Tokyo Chome 5-1 (72) Inventor Katsuya Okamoto 3-3-22 Nakanoshima, Kita-ku, Osaka City, Osaka Prefecture Kansai Electric Power Co., Inc. No. 82 Kyushu Electric Power Co., Inc. (72) Inventor Hideaki Suzuki 1-6-1, Otemachi, Chiyoda-ku, Tokyo Japan Nuclear Power Company, Inc. (72) Hiroshi Shimoyama 2-1-1 Niihama, Arai-cho, Takasago, Hyogo Prefecture No. Mitsubishi Heavy Industries, Ltd. Takasago Laboratory (72) Inventor Yasuhiro Ikeda 2-1-1 Niihama, Arai-cho, Takasago-shi, Hyogo Mitsubishi Heavy Industries Ltd. Inside the Takasago Plant (72) Inventor Hitoshi Hashimoto 2-1-1 Niihama, Arai-cho, Takasago, Hyogo Prefecture Mitsubishi Heavy Industries, Ltd. Takasago Plant (56) Reference JP 61-229707 (JP, A) -109650 (JP, U) JP-B 56-4604 (JP, B2)

Claims (1)

(57) [Scope of utility model registration request] 1. A 180 ° outer peripheral portion of a swivel base ring
A pair of tilting central shafts are provided outward from the separated position, and the swivel base ring is tiltably mounted on the base frame through the tilting central shafts and bearings of the tilting central shafts.
A ring-shaped swivel seat is rotatably attached to the inner circumference of the swivel base ring via a swivel bearing, and a work clamp jig for detachably gripping a work target is attached to the inner circumference of the swivel base. , A tilting gear is attached to one of the tilting central shafts, and the tilting gear is meshed with the gear of the tilting rotary drive device and the gear of the tilting position fixing braking device, and the worktable is mounted on the base. A heavy-weight handling characterized in that a work scaffold is provided on the frame so that it can be moved forward and backward in the direction of the swivel base ring, and a work platform is attached to the work platform via a pandagraph type lifter that can be expanded and contracted in the vertical direction. apparatus.