JPH06293490A - Suspension tool with rotation function - Google Patents

Abstract

PURPOSE:To provide a suspension tool with a rotation function to rotate a tubular substance to be conveyed in a lifted state. CONSTITUTION:A suspension tool with a rotation function comprises two arms 12 suspended from a horizontal beam 14 and movable along a horizontal arm 14; and a rotary roller 21 mounted on the opposite surfaces of the two arms 12. By moving the arms 12 in a closing direction, the rotary roller 21 is inserted in the inside of the two end parts of the tubular substance 1 to be conveyed. After the horizontal beam 1 is lifted to bring the substance 1 to be conveyed into a lifted state, the substance 1 to be conveyed is rotated by means of the rotary roller 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspender having a rotating function for rotating a pipe-shaped object to be conveyed in a suspended state.

[0002]

2. Description of the Related Art FIG. 7 is a front view (A) and a side view (B) with a part omitted, showing a conventional pipe-shaped object to be hung. In the figure, 1 is a pipe-shaped object to be conveyed, 11 is a hanging metal hooked on both ends of the object to be conveyed 1,
12 is an arm to which the hanging wire 11 is attached, 13 is an arm 1
2 is a wheel for moving left and right, 14 is a horizontal beam for suspending the arm 12, 15a, b are right and left screw shafts for horizontally moving the arm 12, 16 is a right screw shaft 15a and a left screw shaft 15b A bevel gear that transmits force, 17 is a motor that rotationally drives the bevel gear 16, 18 is a wire rope that hoists the horizontal beam 14,
19 is a hook attached to the wire rope 18, 100 is a turntable for rotating the transported object 1, 101 is a turntable 100
This is Laura.

The conventional hanging device is constructed as described above, and urges the motor 17 to transmit the rotational force from the bevel gear 16 to the right-hand screw shaft 15a and the left-hand screw shaft 15b so that both arms 12 are opened. The hooks 11 hung on a crane (not shown) are lowered by moving the hooks 11 so that the interval between the hooks 11 is larger than the length of the object to be transported 1 and the hooks 11 are moved.
To a position lower than the upper end of the inner diameter of the transported object 1. Again, the motor 17 is urged and rotated in the reverse direction to move both arms 12 in the closing direction, and stop at a position where the distance between both arms 12 is slightly larger than the length of the transported object 1. At this time, the hanging wire 11 is inside the transported object 1. In this state, the hook 19 is lifted and conveyed to a predetermined work position, and the turntable 10
Lower it onto 0 and place it on the roller 101. After that, the transferred object 1 is manually rotated by a predetermined angle to perform the work.

[0004]

Since the conventional hoisting device is constructed as described above, the object to be transferred 1 is hoisted, transferred to a predetermined working position, lowered on the rotary table 100, and the roller 101 is attached. There is a technical problem that the work efficiency is poor because the work table must be placed and rotated manually by a predetermined angle, and the turntable 100 must be installed at each work position.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a suspender with a rotating function that can rotate a transported object in a suspended state.

[0006]

SUMMARY OF THE INVENTION A suspender with a rotating function according to the present invention has two arms suspended on a horizontal beam and movable along the horizontal beam, and a rotating arm attached to the facing surface of both arms. With a roller, move the arm in the closing direction and insert the rotating rollers inside both ends of the pipe-shaped conveyed object.The horizontal beam is lifted to bring the transferred object into a suspended state, and the transferred roller is conveyed. It is to rotate an object.

Further, there is provided a roller supporting portion for pressing down the object to be conveyed in a suspended state from above.

Further, there is provided a roller guide portion which comes into contact with and supports both end faces of the object to be conveyed which rotates in a suspended state.

[0009]

The rotating roller according to the present invention rotates the conveyed object in a suspended state.

Further, the roller support portion suppresses the swing of the rotating transported object by pressing the transported object in a suspended state from above.

Furthermore, the roller guide portion contacts and supports both end faces of the object to be conveyed which is rotated in a suspended state, and prevents the object to be conveyed from being obliquely displaced.

[0012]

【Example】

Example 1. FIG. 1 is a front view (A) and a side view (B) with a part omitted, showing an embodiment of the present invention. In the figure, 1, 12 to 14, 15a, 15b and 16 to 19 are the same as or equivalent to those described with reference to FIG. 7 in the prior art. Reference numeral 21 is a rotary roller attached to the facing surface of the arm 12, and 22 is a motor for driving the rotary roller 21.

This embodiment is constructed as described above, and energizes the motor 17 to move the bevel gear 16 to the right-hand screw shaft 1.
5a, the rotational force is transmitted to the left screw shaft 15b to move both arms 12 in the opening direction to make the interval between the rotating rollers 21 larger than the length of the transported object 1, and the hook 19 hooked on a crane (not shown). To lower the rotary roller 21 to a position lower than the upper end of the inner diameter of the transported object 1. The motor 17 is again urged to rotate in the reverse direction to move both arms 12 in the closing direction, and stop at a position where the distance between the arms 12 is slightly larger than the length of the transported object 1. At this time, the rotating roller 21 is inside the transported object 1. In this state, the hook 19 is lifted and the motor 22 is urged to rotate the rotary roller 2
The object to be conveyed 1 is rotated by the frictional force between the roller surface of No. 1 and the inner peripheral surface of the object to be conveyed 1 and conveyed to a predetermined work position. There is no need to manually rotate the transported object 1, and the work efficiency is improved.

Example 2. In the first embodiment, the transported object 1 is lifted and the motor 22 is urged to rotate the rotary roller 21.
Since the conveyed object 1 is rotated by the frictional force between the roller surface and the inner peripheral surface of the conveyed object 1, or the roller surface of the rotating roller 21 and the inner peripheral surface of the conveyed object 1 are in line contact, When the transported object 1 rotates, there is a possibility of swinging like a pendulum depending on the rotation speed. FIG. 2 is an explanatory diagram showing a swinging state of the transported object 1. Therefore, in this embodiment, in order to suppress the swing of the transported object 1, a roller support portion for pressing the transported object 1 from above is provided. FIG. 3 is a front view (A) showing the embodiment and a side view (B) seen from a cut surface of the object to be conveyed 1. When the rod 34 is pushed downward by the linear actuator 36 fixed to the arm 12, Is the lifting guide 3
It is guided by 5 and moves downward, compresses the spring 33 and presses the transported object 1 by the support roller 31. Support roller 31
Is fixed to the detent guide 32, and the detent guide does not rotate around the hole of the rod 34. According to this embodiment, since each end of the transported object 1 is supported by the one rotating roller 21 and the two supporting rollers 31, the transported object 1 is raised at the seam like a welded steel pipe. Even if there is one, it can be stably rotated.

Example 3. In the first embodiment, when the transported object 1 rotates, it moves in its axial direction, and when the left and right weight balance is lacking due to holes on either the left or right side of the transported object 1, it rotates due to rotation. Since the roller surface of the roller 21 and the inner peripheral surface of the transported object 1 are not in line contact with each other, the transported object 1
May shift diagonally. This embodiment is provided with a roller guide portion for supporting and supporting both end faces of the transported object in order to suppress the axial movement of the transported object 1 and the oblique displacement thereof. FIG. FIG. 3 is a front view (A) and a side view (B) seen from a cut surface of the transported object 1. The roller guide is a arm 42 having two guide rollers 41 attached thereto. The roller guide is fixed to the arm 12 and brought into contact with and supports both end surfaces of the rotating object 1. FIG. 5 shows a state in which the roller surface of the rotary roller 21 and the inner peripheral surface of the transported object 1 are not in line contact with each other and the transported object 1 is slanted (chain line) and the slanted displacement is suppressed by the roller guide portion. It is explanatory drawing which shows (solid line).

Example 4. In this embodiment, the roller support portion of the second embodiment and the roller guide portion of the third embodiment are provided in the first embodiment, and FIG. The figure (B) is shown. This has more secure functions.

Embodiment 5. In the first embodiment, the rotating roller 21 and the motor 22 for driving the rotating roller 21 are attached to both arms 12. However, one side is the rotating roller 21 and the motor 22, and the other side is the freely rotating rotating roller 21 on the former side. Only the roller support may be provided, and the intended purpose can be achieved at low cost.

Example 6. Although the materials of the rotating roller 21 of the first embodiment and the supporting roller 31 of the second embodiment have not been specified, it is more effective if the surface is coated with urethane rubber to increase the friction coefficient.

[0019]

As described above, according to the present invention, the two arms suspended on the horizontal beam and movable along the horizontal beam, and the rotary roller attached to the facing surfaces of the both arms are provided. It is equipped with rotary rollers inside both ends of the pipe-shaped transported object, the horizontal beam is lifted to bring the transported object in a suspended state, and the transported roller is rotated, so that the work efficiency is improved. is there.

Further, since the roller supporting portion for pressing the object to be lifted up from above is provided, the object to be transferred can be restrained from swinging and stably rotated.

Further, since the roller guide portions for supporting and supporting both end surfaces of the object to be conveyed which is rotated in a suspended state are provided, it is possible to suppress axial movement and oblique displacement of the object to be stably held. It can be rotated.

[Brief description of drawings]

FIG. 1 is a front view (A) and a side view (B) showing a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a swinging state of a transported object.

FIG. 3 is a front view (A) and a side view (B) showing a second embodiment of the present invention.

FIG. 4 is a front view (A) and a side view (B) showing a third embodiment of the present invention.

5A and 5B are explanatory views showing a state in which a transported object is deviated obliquely and a state in which it is suppressed.

FIG. 6 is a front view (A) and a side view (B) showing a fourth embodiment of the present invention.

FIG. 7 is a front view (A) and a side view (B) showing a conventional hanging device.
Is.

[Explanation of symbols]

 1 Transported object 12 Arm 13 Wheel 14 Horizontal beam 15a Right-hand screw shaft 15b Left-hand screw shaft 16 Bevel gear 17 Motor 18 Wire rope 19 Hook 21 Rotating roller 22 Motor 31 Supporting roller 32 Whirl guide 33 Spring 34 Rod 35 Lifting guide 36 Linear actuator 41 Guide roller 42 Arm

Claims (3)

[Claims] 1. An arm provided with two arms suspended on a horizontal beam and movable along the horizontal beam, and rotary rollers attached to opposing surfaces of the both arms, the arm being moved in a closing direction. Characterized in that the rotary rollers are inserted inside both ends of the pipe-shaped transferred object, the horizontal beam is lifted to bring the transferred object into a suspended state, and the transferred roller is rotated by the rotating roller. Hanging equipment with rotating function. 2. A roller supporting portion for pressing down the object to be conveyed in a suspended state from above is provided.
Lifting equipment with rotation function described in. 3. The lifting tool with a rotating function according to claim 1, further comprising roller guide portions that contact and support both end surfaces of the transported object that rotates in a suspended state.