JP5274195B2 - Heavy material transport device in power generation facilities - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To safely and promptly carry a heavy load such as a motor by using a detachable carrying device for lifting up even if there is no beam at a ceiling and an area is too small to drive a floor conveyor. <P>SOLUTION: The carrying device comprises a pole support 3 mounted to a mount 2 where a heavy load H is placed, a lifting piece 6 having a hook ring 5 at an upper part, and a pole 4 including a joint 8 detachably jointed to the pole support 3 at a lower part to lift up the heavy load H such as a motor in a power generation facility. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a heavy material transport device in a power generation facility used for transporting the motor or the like when disassembling and inspecting a heavy material such as an electric motor installed in the power generation facility.

  In a power generation facility, for example, when overhauling a plurality of oil mist separator ventilation motors in parallel, heavy objects such as this motor are transported by human power without using a chain block or the like. . This is because there is no beam, beam or the like at the ceiling where such an electric motor or the like is installed, so that lifting equipment such as a chain block cannot be used.

As for a technique related to a transporting instrument for transporting such a heavy object such as an electric motor, for example, as shown in Japanese Patent Application Laid-Open No. 8-324992 “Floor transporter having a lifting platform” in Patent Document 1, it is guided along the lifting platform. In a floor transporter of the type having a lifting feed base that is fixed to at least one load chain in a substantially vertical direction by at least one chain connecting member, the load chain is at least partially In particular, floor conveyors have been proposed that have a lifting platform guided in an open chain guide on at least one side.
JP-A-8-324992

  However, a heavy object such as an electric motor having a weight of about 50 kg has a problem that it is very dangerous for an operator to carry it by hand in a small place. Then, although it is desirable to carry using a floor carrier like patent document 1, this floor carrier could not be used in a narrow place like the inside of power generation equipment.

  The present invention has been developed to solve such problems. That is, the object of the present invention is to use a detachable lifting lifting device so that there is no beam, beam, etc. on the ceiling, and heavy objects such as an electric motor can be used even in a narrow place where the floor transporter cannot be run. An object of the present invention is to provide a motor transport device in a power generation facility that can be transported safely and quickly.

The transport device according to the present invention is a heavy material transport device (1) for lifting and transporting a heavy object (H) such as an electric motor in a power generation facility, and is mounted on a gantry (2) on which the heavy object (H) is placed. A cylindrical pole support portion (3) having a rectangular cross section, a pole (4) having a suspension piece (6) having a retaining ring (5) at the top, and a lower portion of the pole (4) Has a circular cross section, and a bearing (9) is mounted in the pipe, and adjacent to the bearing (9), the upper cross section is circular and the lower cross section is formed in a square shape. The upper side of the connecting shaft (10) is inserted into the lower part of the pole (4) so as to be rotatable around the shaft, and the lower side of the connecting shaft (10) exposed from the tube of the pole (4) is connecting portion comprising a structure removably connected to the pole support (3) and (8), provided with, that characterized To.

The suspension piece (6) is preferably configured to move back and forth in the horizontal direction at the top of the pole (4).
The suspension piece (6) can be configured such that the retaining ring (5) side is movable in an arc shape around the top of the pole (4).

  In the invention with the above configuration, a heavy object (H) such as an electric motor can be transported safely and quickly in a narrow power generation facility where there are no beams, beams, or the like on the ceiling. In particular, the pole (4) has a structure that is installed only during transportation work, and can be shared for transportation of a plurality of heavy objects (H), so that the installation cost can be greatly reduced.

The connecting portion (8) has a bearing (9) mounted in a pipe below the pole (4), and the upper side of the connecting shaft (10) is rotatable around the axis adjacent to the bearing (9). Since it is inserted and the lower side of the connecting shaft (10) is inserted into the pole support (3), the pole (4) can be rotated in the horizontal direction together with the suspension piece (6). The lower side of the connecting shaft (10) has a quadrangular cross section, and the pole support (3) also has a quadrangular cylindrical shape, so the lower side of the connecting shaft (10) does not rotate. .

  In the suspension piece (6) configured to move back and forth in the horizontal direction at the top of the pole (4), after lifting the heavy object (H), the heavy object (H) is placed in a predetermined position in the horizontal direction together with the pole (4). Can be moved to. That is, since the length of the moving radius of the suspension piece (6) that lifts the heavy object (H) can be varied, the position where the heavy object (H) is lowered can be finely adjusted.

  Similarly, the suspension piece (6) configured such that the retaining ring (5) side is movable in an arc shape around the top of the pole (4) is also used for the suspension piece (6) that lifts the heavy object (H). The length of the moving radius can be varied.

Furthermore , since a heavy object (H) such as an electric motor is attached at the time of overhaul and inspection, that is, the pole (4) is not permanently installed, the pawl (4) is removed during patrol in the power generation equipment. And does not interfere with walking.

  The heavy-duty carrying device in the power generation facility of the present invention includes a gantry on which a heavy object such as an electric motor is placed, a pole support portion attached to the gantry, a suspension piece having a retaining ring at the upper portion, and a pole support portion at the lower portion. It is an apparatus provided with the pole which each provided with the connection part detachably connected to.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view showing a heavy material transport device in the power generation facility of the first embodiment. FIG. 2 shows a pole support part and a pole connecting part, (a) is a longitudinal sectional view, (b) is a sectional view taken along the line bb, (c) is a sectional view taken along the line cc, and (d) is a sectional view. dd line sectional drawing, (e) is an ee line sectional view.
In the heavy load carrying device 1 according to the first embodiment, a stand 2 for placing a heavy load H such as an electric motor is disposed at a position adjacent to the casing I of the device in the power generation facility, and the pole support 3 is provided on the stand 2. It is an apparatus provided with a pole 4 that is attached and inserted into the pole support 3 to lift and carry a heavy object H.

  The gantry 2 is a pedestal on which a heavy object H such as a plurality of oil mist separator ventilation fan motors arranged in parallel in the power generation facility is placed. As shown in the figure, the gantry 2 is not simply a box-like object placed on the floor surface, but a steel member welded from the casing I side or other equipment (not shown) is used. You can also.

  The pole support portion 3 is a substantially cylindrical member attached to the side of the gantry 2 to support the pole 4. The pole support 3 is permanently installed on the side of the gantry 2 and attached. However, when this pole support part 3 obstructs the passage when an operator patrols in the power generation facility, it can be detachably attached to the gantry 2. The pole support 3 is not necessarily installed from the floor as long as it is firmly attached to the side of the pedestal 2 as well as the one installed on the floor at the side of the pedestal 2 as shown.

  The connecting portion 8 includes a rod-shaped suspension piece 6 having a retaining ring 5 at the upper portion and a connecting portion 8 that is detachably connected to the pole support portion 3 at the lower portion. The suspension piece 6 is a portion that suspends a hanging tool such as a chain block 7 and the like, and suspends a heavy object H from the previous retaining ring 5.

  The connecting portion 8 is a portion that is inserted into the pole support portion 3. This is because the pole 4 can be removed when not in use so that the pole 4 does not obstruct the passage when the operator patrols in the power generation facility.

  Further, as shown in FIG. 2, the connecting portion 8 is a member that rotates in the horizontal direction together with the suspension piece 6 in a state where the pole 4 is inserted into the pole support portion 3. As shown in the drawing, a bearing 9 is placed in a pipe below the pole 4, and a connecting shaft 10 having a circular cross section is inserted adjacent to the bearing 9 so as to be rotatable around the shaft. The side is exposed from the pole 4 and its cross-sectional shape is a quadrangle. The lower side of the connecting shaft 10 is configured such that the pole support 3 described above is detachably fitted into a square cylinder. That is, since the pole support portion 3 has a square cross section, the lower side of the connecting shaft 10 does not rotate.

  The connecting portion 8 and the pole support portion 3 are not limited to such a structure as long as the pole 4 rotates together with the suspension piece 6 in the horizontal direction. It is also possible to incorporate the turning function of the connecting portion 8 on the pole support portion 3 side and simply connect the pole 4 side.

  With the connecting portion 8 of the pole 4 thus configured inserted into the pole support portion 3, the pole 4 is rotated together with the suspension piece 6 in the horizontal direction. Therefore, in a state where the heavy object H is suspended by the suspension piece 6, the heavy object H can be rotated and moved with the axial direction of the pole 4 as the rotation center.

3A and 3B are explanatory views showing a method of transporting an electric motor with the heavy article transport device of the present invention, in which FIG. 3A shows a state before the pole is attached, FIG. 3B shows a state where the pole is attached, and FIG. A state in which the chain block is attached, (d) is a state in which a heavy object is lifted and rotated, and (e) is a state in which the heavy object is lowered.
In the carrying method of the present invention, first, the pole 4 is taken out from a storage place such as a warehouse, and carried to the gantry 2 on which a heavy object H such as an electric motor for overhauling the pole 4 is placed (FIG. 3 (a)).
The connecting portion 8 of the pole 4 is inserted into the pole support portion 3 so that the retaining ring 5 of the suspension piece 6 is positioned above the heavy object H to be lifted and transported (FIG. 3B).

The chain block 7 is hooked on the retaining ring 5 of the suspension piece 6. The hook 11 at the lower end of the chain block 7 is hung on the heavy object H (FIG. 3C). The heavy object H is rotated and moved to a predetermined position in the horizontal direction together with the pole 4 (FIG. 3D). The heavy object H is lowered at that position (FIG. 3 (e)). For example, it is placed on the carriage 12 and transported to another place.
Finally, the pole 4 is removed from the pole support 3 and returned to the storage location.

  The present invention can safely and quickly transport a heavy object H in a narrow power generation facility having no beam, beam or the like on the ceiling. In particular, the pole 4 can be shared only for transporting a plurality of heavy objects H by installing it only during work.

4A and 4B are front views showing the heavy article transporting apparatus according to the second embodiment configured to be able to move the suspension piece, where FIG. 4A is a state in which the heavy article is suspended from the suspension piece, and FIG. This is a state in which the suspended piece is moved.
In the heavy article transport device 1 of Example 2, the suspension piece 6 is configured to move back and forth in the horizontal direction at the top of the pole 4. For example, when the place where the heavy object H is lowered is at a position away from the pole 4, the position where the heavy object H is lowered can be finely adjusted by moving the suspension piece 6. On the contrary, even when the place where the heavy object H is lowered is close to the pole 4, the suspension piece 6 is movable so as to approach the pole 4 side.

  In the heavy material transport device 1 according to the second embodiment, the suspension piece 6 is assembled in a substantially T shape at the top of the pole 4. The suspension piece 6 is configured to move back and forth in the horizontal direction on the pole 4 in the vertical state. A gear 13 is formed in the longitudinal direction of the suspension piece 6, and the gear meshing with the gear 13 is moved in the linear direction by the turning operation of the handle 14.

FIG. 5 is a front view showing the heavy-duty carrying device of Example 3 configured so that the suspension piece can be moved.
In the heavy article transport device 1 of Example 3, the suspension piece 6 is configured such that the side of the retaining ring 5 is movable in an arc shape around the top of the pole 4. For example, in the upper part of the pole 4, the suspension piece 6 is assembled in a substantially L shape, and the angle can be adjusted by a gear formed on the base end portion of the suspension piece 6. Also in the heavy material transport device 1 of the third embodiment, the length of the radius of the suspension piece 6 that lifts the heavy material H can be varied.

  The present invention uses the removable lifting pole 4 so that the weight of the electric motor or the like can be safely and quickly even in a narrow place where there is no beam, beam or the like on the ceiling and the floor transporter cannot be run. Of course, as long as the configuration can transport the product H, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention.

  The electric motor transport apparatus in the power generation facility of the present invention is a narrow space and can be used when transporting heavy objects.

It is a front view which shows the heavy article conveyance apparatus in the electric power generation equipment of Example 1. FIG. A pole support part and a pole connection part are shown, (a) is a longitudinal sectional view, (b) is a sectional view taken along line bb, (c) is a sectional view taken along line cc, and (d) is d. -D sectional view, (e) is an ee sectional view. It is explanatory drawing which shows the method of conveying an electric motor with the heavy article conveying apparatus of this invention, (a) is the state before attaching a pole, (b) is the state which attaches a pole, (c) is a chain block to a suspension piece. The attached state, (d) is a state in which a heavy object is lifted and rotated, and (e) is a state in which the heavy object is lowered. It is a front view which shows the heavy article conveyance apparatus of Example 2 comprised in the state which can move a suspension piece, (a) is the state which hangs a heavy article on a suspension piece, (b) is the suspension | hanging which suspended the heavy article. The piece is in a movable state. It is a front view which shows the heavy article conveyance apparatus of Example 3 comprised in the state which can move a suspension piece.

DESCRIPTION OF SYMBOLS 1 Heavy object conveyance apparatus 2 Base 3 Pole support part 4 Pole 5 Suspension ring 6 Hanging piece 7 Chain block 8 Connection part H Heavy object

Claims (3)

A heavy goods transport device (1) for lifting and transporting heavy objects (H) such as electric motors in a power generation facility,
A cylindrical pole support portion (3) having a square cross section attached to a gantry (2) on which the heavy object (H) is placed;
A pole (4) with a suspension piece (6) having a retaining ring (5) on the top;
The lower part of the pole (4) is formed into a tube having a circular cross section, and a bearing (9) is mounted in the tube, and adjacent to the bearing (9), the upper cross section is circular and the lower cross The upper side of the connecting shaft (10) having a rectangular surface is inserted into the lower portion of the pole (4) so as to be rotatable around the shaft, and the connecting shaft (exposed from the tube of the pole (4)) 10) A heavy article transporting device in a power generation facility , comprising a connecting portion (8) configured to be detachably connected to the pole support portion (3) on the lower side .   The heavy load carrying device in a power generation facility according to claim 1, wherein the suspension piece (6) is configured to move back and forth in the horizontal direction at the top of the pole (4).   The power generation equipment according to claim 1, wherein the suspension piece (6) is configured such that the side of the hook ring (5) is movable in an arc shape centering on the top of the pole (4). Heavy material transport device inside.