JP2019108178A - Slinging/unslinging device of suspension belt and attachment for forklift therewith - Google Patents

Abstract

To provide a slinging/unslinging device of a suspension belt and an attachment for a forklift therewith capable of easily, rapidly, safely and reliably working, which automates the unslinging work using the suspension belt when heavy goods are transferred by a forklift and crane, and reduces the working man-hours and the workload.SOLUTION: It comprises a slinging mechanism 20 to detachably hold an annulus 18 formed on at least one end of a suspension belt 16, and the slinging mechanism 20 has a manual rod 23 capable of moving between a standby position 24 held slidably in a frame part 21 and a slinging position 25, a slinging rod 30 arranged coaxially with the manual rod 23, and a rod driving unit 32 to reciprocate the slinging rod 30 between an initial position 31 and the slinging position 25.SELECTED DRAWING: Figure 4

Description

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a suspension belt removing device and a lift attachment including the same, which are mainly used for transferring heavy objects with a forklift or a crane using a suspension belt.

Conventionally, long members such as steel bars, steel pipes, shaped steels, etc., are bundled for each type during transportation and storage, and are handled by being bundled with a belt, a wire or the like. Then, when loading the loaded object obtained by bundling these long members onto an open top container whose top surface is opened using a large cargo handling machine such as a truck crane or gantry crane, the removal of the container upper sheet , Installation, removal of a large number of sheet drip prevention pipes, installation, etc. are required. For this reason, a lot of labor and time are required, and there is a problem that the stowing work can not be performed efficiently. On the other hand, for example, Patent Document 1 discloses a stacking device for stacking objects to be loaded on a rear opening container such as a dry container using a forklift.

Unexamined-Japanese-Patent No. 11-171491

However, in Patent Document 1, one end of the suspension belt for holding the load is releasably connected to the lift attachment beam by the belt attachment / detachment connection mechanism, and the other end is attached to the lift attachment beam by the belt fixing connection mechanism. It is fixedly connected. All the attachment / detachment (springing, ball removal) operations of the hanging support belt have to be performed manually, and there is a problem that labor saving is lacking. In particular, work in a narrow space inside the container needs to be performed with safety precautions by calling out to the worker who operates the forklift (forkman) or giving a signal, and the work efficiency is lacking. There is also a problem that the burden on workers also increases.
The present invention has been made in view of the above circumstances, and by using a suspension belt to automate removal of balls when transferring heavy objects with a forklift or a crane, the number of working man-hours can be reduced, and the worker can It is an object of the present invention to provide an attachment belt removing device and an attachment for a forklift equipped with the same for a suspension belt that can perform work easily, quickly, safely, and reliably with reduced burden.

According to a first aspect of the present invention, the ball removing device for a hanging belt according to the first aspect of the present invention includes a ball hanging mechanism for detachably holding an annular portion formed at at least one end of the hanging belt. A frame portion, a manual rod slidably held by the frame portion and movable between a standby position and a sling position, a sling rod coaxially disposed with the manual rod, and the sling rod And reciprocate the rod between the initial position and the hooking position,
At the time of putting on the ball, by driving the rod drive unit to move the rod for putting on the ball from the initial position to the put on position, the rod is inserted into the annular portion at the put on position and temporarily holds the suspension belt. Pressing the manual rod that is moving to move to the standby position, and inserting the beading rod into the annular portion to hold the suspension belt;
At the time of ball removal, the rod driving unit is driven to retract the beading rod from the beading position to the initial position and pull out from the annular portion.

A forklift attachment according to a second aspect of the invention has a long lift attachment beam to which a fork of the forklift is detachably attached at its base end, and a plurality of lift attachment beams according to the first aspect of the invention. A deburring device for the hanging belt of the above is mounted at intervals in the longitudinal direction.

In the attachment for a forklift according to a second aspect of the present invention, in the ball hook removing device for each of the suspension belts, the two ringing mechanisms are disposed in parallel and the ring formed at both ends of the suspension belt It is preferable that the unit be detachably held.

In a forklift attachment according to a second aspect of the present invention, a transmitter wirelessly transmitting a signal instructing driving of the rod drive unit, and reception receiving the signal attached to the lift attachment beam and transmitted from the transmitter It is preferable to have a control unit that controls the drive of the rod drive unit based on the signal attached to the lift mounting beam and received by the receiver.

In the forklift attachment according to the second aspect of the present invention, it is preferable to have a manual rod position detection unit that detects whether the manual rod is in the standby position or in the beading position.

In the forklift attachment according to the second aspect of the invention, it is preferable to have a hooking rod position detection unit that detects whether the beading rod is in the initial position or in the beading position.

In the forklift attachment according to the second aspect of the present invention, it is preferable to have a notification unit that distinguishes whether or not the beading rod is in the initial position or in the beading position.

In the forklift attachment according to the second aspect of the present invention, it is preferable to have an illumination unit attached to the front end side of the lift attachment beam.

In the suspension belt removing device according to the first aspect of the present invention, the rod drive unit is moved from the state where the manual rod is manually moved to the stop position manually and inserted into the annular portion of the suspension belt Is moved from the initial position to the ball catching position, the manual rod is pressed by the beading rod and moved to the standby position, and the beading rod is inserted into the annular portion to support the suspension belt. Since the holding operation is performed, the rigging operation can be simplified and labor-saving, and the operation can be performed safely and reliably. In addition, at the time of ball removal, it is possible to pull out the ball rod from the annular portion and automatically perform the ball removal operation only by retracting the ball rod from the ball-lapping position to the initial position by driving the rod drive unit. After transferring a heavy load with a forklift or a crane, there is no need for the operator to manually remove the balls as in the conventional case, and the work can be performed quickly, safely and efficiently, and the work man-hours can be reduced. And the burden on workers can be reduced.

A forklift attachment according to a second aspect of the present invention has a long lift attachment beam to which a fork of the forklift is detachably attached at a base end, and the lift attachment beam has a plurality of suspension belts according to the first aspect. Since the ball removal device is mounted at intervals in the longitudinal direction, it is easy and quick to load the loaded material obtained by bundling long members such as steel bars, steel pipes, and shaped steels only by mounting on existing forklifts. Safe and reliable, can be loaded on containers, trucks, etc.

In the case where two slinging mechanisms are arranged in parallel on the sling removal device of the sling belt and the annular portions formed on both ends of the sling belt are detachably held, the load is stacked. Depending on the position or the like, it is possible to reliably perform the ball removing operation by operating any one of the ball hooking mechanisms.

A transmitter wirelessly transmits a signal instructing driving of a rod driving unit, a receiver attached to the lift attachment beam and receiving a signal transmitted from the transmitter, and a signal attached to the lift attachment beam and received by the receiver And the control unit that controls the drive of the rod drive unit, the worker who operates the forklift can perform the ball removing operation remotely (driver's seat), and the work efficiency and safety are excellent. .

When the manual rod position detector detects whether the manual rod is in the standby position or in the ball catching position, it is determined whether the manual rod is in the standby state or temporarily holding the suspension belt. Thus, the rod drive unit can be driven at the correct timing, and the operation is excellent in certainty.

In the case of having the hooking rod position detection unit for detecting whether the hooking rod is at the initial position or the hooking position, it is possible to operate the forklift after confirming that the hooking operation is completed, and the operation is reliable It is excellent in quality and safety. In particular, when used in combination with the manual rod position detection unit, it is possible to reliably grasp the state of each operation of the rod for hooking and the manual rod including the temporary holding state by the manual rod, and improve the reliability of the operation. it can.

When it has a notification unit that distinguishes whether the rod for slinging is in the initial position or in the slinging position, the operator (mainly, a fork man) is surely informed of the completion of the ball removal operation and the pooling operation. To proceed to the next operation safely and quickly.

In the case of having the illumination unit attached to the tip side of the lift attachment beam, it is possible to work safely by illuminating the inside of the container etc. on which the load is loaded.

BRIEF DESCRIPTION OF THE DRAWINGS It is a side view which shows the use condition of the attachment for forklifts provided with the ball-attachment ball removal apparatus of the suspension belt which concerns on the 1st Embodiment of this invention. It is a principal part top view which shows the use condition of the attachment for the said forklifts. It is a principal part front view which shows the use condition of the attachment for the said forklifts. It is a perspective view which shows the ball hook removing device of the hanging support belt in the attachment for forklifts. (A), (B), (C) is explanatory drawing which shows operation | movement of the ball hook removing device of the suspension belt in the attachment for forklifts. It is a side view which shows the use condition of the ball hook removing device of the suspension belt which concerns on the 2nd Embodiment of this invention.

Next, embodiments of the present invention will be described with reference to the attached drawings for understanding of the present invention.
As shown in FIGS. 1 to 3, a forklift attachment 10 provided with a ball catching device (hereinafter, also simply referred to as a ball catching device) 17 according to a first embodiment of the present invention, Attached object 14 (for example, diameter 300 mm, weight 2t), which is attached to fork 12 of forklift 11 and is bundled with a plurality of long steel materials 13 (for example, round steel and steel pipe) It is used for loading.
As shown in FIG. 1 and FIG. 2, the forklift attachment 10 has a longitudinal lift mounting beam 15 to which the fork 12 of the forklift 11 is detachably mounted at the base end and a distance in the longitudinal direction to the lift mounting beam 15. There are two deburring devices 17 which are open and attached and which hold the ends of the suspension belt 16 which each holds the load 14. Hereinafter, the advancing direction front side of forklift 11 is explained as the front of attachment 10 for forklifts.

As shown in FIG. 4, in each of the ball removal devices 17, two lashing mechanisms 20 for detachably holding annular portions 18 formed at both ends of the suspension belt 16 are arranged in parallel.
Each hooking mechanism 20 has a manual rod 23 slidably held by a slide guide 22 provided parallel to the longitudinal direction of the lift mounting beam 15 in the frame portion 21. The manual rod 23 is movable between a standby position 24 on the front side of each deburring device 17 and a deburring position 25 in the center. An operation handle 26 is provided at the upper end of the front end side of the manual rod 23, and an elongated guide hole 27 parallel to the slide guide 22 and through which the operation handle 26 penetrates is formed on the upper surface of the frame portion 21. ing. As a result, the operator can hold the operation handle 26 by hand and slide the manual rod 23 manually to move it from the standby position 24 to the contact position 25.

In addition, each blinding mechanism 20 is provided between the initial position 31 and the blinding position 25 on the rear side of each blinding ball removing device 17 and the blinding rod 30 disposed coaxially with the manual rod 23. It has the rod drive part 32 to make it reciprocate. The rod drive unit 32 has a motor 33 and a reduction gear 34 capable of rotating in forward and reverse directions, and a pinion 36 is attached to the output shaft 35 of the reduction gear 34. A rack 37 that meshes with the pinion 36 along the longitudinal direction is provided at the bottom of the rod 30. Therefore, the rod driving unit 32 (motor 33) is driven to rotate the pinion 36 in the forward and reverse directions, thereby reciprocating the racking rod 30 with the racking rod 30 between the initial position 31 and the ringing position 25. At this time, a rack guide 38 slidably guiding the rack 37 is provided on the front side of the position of the pinion 36, and the ball rod 30 can be smoothly reciprocated.

Next, a blinding rod position detection unit (for example, a proximity sensor) 40 is provided at the rear end of each initial position 31 and can be detected by the blinding rod position detection unit 40 at the rear end of each blinding rod 30 The to-be-detected part 41 is attached. Thereby, when the rod 30 for eyeballs retreats and exists in the initial position 31, the rod position detection part 40 for eyeballs detects the to-be-detected part 41, and the rod 30 for eyeballs is in the initial position 31 (for eyeballs) It can be determined that the rod 30 is not at the hooking position 25). Further, in the upper part of the frame portion 21, in conjunction with the ball catching rod position detection unit 40, a notifying unit 42 is provided which lights up when the beading rod 30 is at the beading position 25 and turns off when in the initial position 31. Depending on whether the sagging rod 30 is in the sagging position 25 and the sagging operation is completed, or the sagging rod 30 is in the initial position 31 and the slate removal operation has been completed. (Forkman) can be notified surely.

Next, as shown in FIG. 1, the forklift attachment 10 is attached to a transmitter (remote control) 45 for wirelessly transmitting a signal instructing the drive of each rod drive unit 32, and attached to the lift attachment beam 15, A receiver 46 for receiving a signal transmitted from 45, and a control unit 47 attached to the lift mounting beam 15 and controlling the drive of the rod drive unit 32 based on the signal received by the receiver 46 are provided. Thus, the fork man can operate the transmitter 45 from the driver's seat of the forklift 11 to remotely drive each rod drive unit 32.
An illumination unit 48 using an LED or the like as a light source is attached to the tip end side of the lift attachment beam 15, and the operation can be performed while illuminating the inside of the container or the like as a loading destination. Further, a rod drive unit 32, a receiver 46, and a generator 50 for supplying power to the illumination unit 48 are attached to the lift attachment beam 15.

Hereinafter, the operation (method of use) of the forklift attachment 10 will be described.
First, the forklift 11 is operated to move the forklift attachment 10 above the load item 14. The operator passes the suspension belt 16 below the load 14 so as to hold the load 14, and then, as shown in FIG. 5A, the manual rod 23 is moved from the standby position 24. The manual rod 23 is inserted into the annular portions 18 at both ends of the suspension belt 16 to temporarily hold the suspension belt 16.

Next, as shown in FIG. 5 (B), the rod driving unit 32 is driven to move the beading rod 30 from the initial position 31 to the beading position 25 so that it is inserted into the annular portion 18 at the beading position 25. The manual rod 23 temporarily holding the suspension belt 16 is pressed to move to the standby position 24, and the ball rod 30 is inserted into the annular portion 18 to hold the suspension belt 16. At this time, it is detected by the forging rod position detection unit 40 that the forging rod 30 is at the forging position 25 (not at the initial position 31), and the notification unit 42 is lighted to indicate that the forging operation has been completed. Inform the worker (Falkman). It should be noted that it is sufficient that the on-hook rod position detection unit 40 can determine whether the on-ball rod 30 is in the initial position 31 or in the on-ball position 25. For example, in addition to detecting that the ball rod 30 is in the initial position 31 by the detected portion 41 coming into contact with the ball rod position detection portion 40, the detected portion 41 is connected to the lens rod position detection portion 40. The approach may be detected by magnetism or the like.

Next, the fork man operates the forklift 11 to transport the load 14 to a predetermined position of the loading destination such as a container, and places the load 14 on a ring (block, tie), and then the transmitter By operating 45, as shown in FIG. 5C, either the left or right rod drive unit 32 of each ball hook removing device 17 is driven to retract the ball hook rod 30 from the ball hook position 25 to the initial position 31 ( Then, the suspension belt 16 is pulled out from one of the annular portions 18 at both ends. At this time, the on-hook rod position detection unit 40 detects that the on-hook rod 30 is at the initial position 31, and turns off the notification unit 42 to notify the fork man that the on-off operation is completed.
Since the other annular portion 18 of the suspension belt 16 is still held by the beading rod 30, when the forkman lifts the fork 12, the annular portion 18 from which the beading rod 30 is pulled out is a container And the like between the floor 14 and the load 14 and the adjacent load 14 to complete the loading operation.
In the above operation, the manual rod 23 is inserted through the annular portion 18 during temporary hooking operation, and the suspension belt 16 is temporarily held, and then the beading rod 30 is inserted through the annular portion 18 and the suspension belt 16 The load 14 is temporarily placed on the ground and the manual rod 23 and the sling rod 30 are not loaded until it is supported and the sling operation is completed. Further, at the time of removing balls, when pulling out the rod 30 for sluging from the annular portion 18, the load 14 is placed on the floor surface of a container etc. which is a loading destination, and the rod 30 for sluging There is no load on the

At the time of ball removal, which of the left and right rod driving units 32 of each ball hanging ball removing device 17 is driven to pull out the beading rod 30 from the annular portion 18 depends on the mounting position of the load 14 or other load It can be selected as appropriate according to the positional relationship with the object 14 or the like. Further, instead of arranging the two ball hanging mechanisms 20 in parallel in each ball hanging ball removing device 17 as in the present embodiment, only one ball hanging mechanism is arranged in each ball hanging ball removing device, and the suspension belt 16 Alternatively, only the annular portion 18 at one end side may be detachably held, and the other end side may be fixed to each ball-hook removing device.
In FIG. 5 (A), after the manual rod 23 is moved from the standby position 24 to the hooking position 25 to temporarily hold the suspension belt 16, in FIG. 5 (B), the rod drive portion 32 is driven to hook The forkman may operate the transmitter 45 according to an instruction (sign) from the operator who has moved the manual rod 23, although the operation of moving the rod 30 from the initial position 31 to the contact position 25 may be performed by The manual rod position detection unit may detect whether the manual rod 23 is in the standby position 24 or in the blinding position 25 and may automatically perform this operation. As this manual rod position detection unit, the same one as the rod attachment position detection unit for beading is suitably used.

Next, with reference to FIG. 6, a case where the ball putting and removing device 17a according to the second embodiment of the present invention is applied to the lifting balance 51 will be described. As shown in FIG. 6, this lifting balance 51 has a frame portion 53 suspended horizontally via a suspending means (for example, a suspending wire) 52 on a suspending hook (not shown) of a crane. . In addition, the frame part 53 is formed in a substantially rectangular frame shape in plan view, and a temporary placement stand 54 is provided at an important point (for example, four corners) of the bottom, and placed on a loading platform of the transport vehicle Can. Further, the ball removal device 17a is attached to one end side in the longitudinal direction of each short side portion 55 in the frame portion 53, and the hanging portion 56 is provided on the other end side. The difference of this ball-hook removing device 17a from the first embodiment is that only one ball-hanging mechanism 20 is disposed, and the ball-hook removing device 17a is attached to the frame 53 (each short side 55) in an upside down state. It is a point that The annular portion 18 formed at one end of the suspension belt (for example, nylon sling) 16 for supporting the long heavy load (for example, a large-sized wind power generation blade) 57 is the same as that of the first embodiment. In addition, the hooking mechanism 20 is detachably held. Further, a hooking portion 58 is attached to the other end of the hanging support belt 16, and the pin 59 penetrates the hooking portion 56 and the hooking portion 58 in the horizontal direction, and the hooking portion 56 and hooking portion 58 The other end side of the suspension belt 16 is held by the suspension top 56 by being connected.

Although the ball removal device 17a is upside down with the ball removal device 17, the structure and operation of the mechanism 20 itself is the same as that of the first embodiment, and thus the description thereof is omitted.
In the present embodiment, only the annular portion 18 at one end of the suspension belt 16 is held by the hooking mechanism 20, and the hooking portion 58 at the other end is held by the hanging portion 56 via the pin 59. However, instead of using the hanging portion 56, the hooking portion 58, and the pin 59, the ball hook removing device 17a is attached to the other end side of the short side portion 55, and an annular portion is also attached to the other end portion of the hanging belt 16. It is good also as composition which is formed and is supported by the hooking mechanism 20 in the both ends of the suspension belt 16.
As described above, even when the suspension belt becomes thick and heavy depending on the object to be transported, when the manual rod 23 is manually operated and inserted into the annular portion of the suspension belt at the time of beading, it is possible to automatically and easily The operation can be performed, and at the time of ball removal, the operation can be performed safely and reliably in a short time by remote control.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the structure as described in the above-mentioned embodiment in any way, It is considered within the range described in the claim. Other embodiments and modifications are also included.
For example, the arrangement of the hooking rod position detection unit and the detection unit is not limited to the above-described embodiment, and it is directly detected that the hooking rod 30 is at the initial position 31 or not. It is possible to select whether to directly detect being in the hooking position 25. In addition, the number of rod-position detection portions for detection and the detected portion are increased, and the presence of rod for detection 30 at initial position 31 and the position for detection 25 are indicated by separate detection rods for detection-position and detection It can also be detected by the department. Even when the manual rod position detection unit is provided, the arrangement of the manual rod position detection unit selects whether to directly detect that the manual rod 23 is at the standby position 24 or to directly detect that it is at the ball catching position 25. Can. In addition, the number of manual rod position detectors may be increased, and the manual rod position detectors may detect that the manual rod 23 is in the standby position 24 and in the hooking position 25, respectively.

In the above embodiment, the motor 33 and the reduction gear 34 are used as the rod driving unit 32, and the combination of the pinion 36 and the rack 37 converts the rotational movement of the motor 33 into the reciprocating linear movement of the rod 30 The rod for ball hooking may be directly reciprocated and linearly moved using a hydraulic cylinder, an air cylinder or the like as a drive unit.
Further, in the above embodiment, the notification unit 42 which lights up when the gating rod 30 is at the gating position 25 and turns off when the gating rod 30 is at the initial position 31 notifies the completion of the gating operation and the ball removing operation A part is not limited to this, What is necessary is just to be able to alert | report the completion of a pooling operation and the ball removal operation. For example, at the completion of the hanging operation and the ball removing operation, lamps of different colors may be turned on for notification, or sounds may be emitted by using a buzzer, a siren, or the like.
The ball removal device according to the present invention can be applied not only to the above-described embodiment but also to various devices that require a ball removal operation to improve the labor saving and safety of the ball removal operation.

10: Attachment for forklift, 11: Forklift, 12: Fork, 13: Steel material, 14: Loaded material, 15: Lift mounting beam, 16: Suspension belt, 17, 17a: Ball-hook removing device, 18: Ring portion , 20: ball hook mechanism, 21: frame portion, 22: sliding guide portion, 23: manual rod, 24: standby position, 25: ball hook position, 26: operation handle, 27: guide hole, 30: rod hook, 31 : Initial position, 32: Rod drive unit, 33: Motor, 34: Reduction gear, 35: Output shaft, 36: Pinion, 37: Rack, 38: Rack guide, 40: Ball position rod position detection unit, 41: Detected Unit 42: Notification unit 45: Transmitter (remote control) 46: Receiver 47: Control unit 48: Lighting unit 50: Generator 51: Lifting scale 52: Hanging means 53 Frame portion, 54: temporary stand, 55: short sides, 56: hanging top, 57: long heavy, 58: engaging portion, 59: pin

Claims (8)

A hanging mechanism is provided for detachably holding an annular portion formed at at least one end of the hanging belt, and the hanging mechanism is slidably held by the frame and the frame so as to be in a standby position and a hanging position. A manual rod capable of moving between them, a hooking rod disposed coaxially with the manual rod, and a rod drive unit for reciprocating the blind rod between an initial position and the blind position. And
At the time of putting on the ball, by driving the rod drive unit to move the rod for putting on the ball from the initial position to the put on position, the rod is inserted into the annular portion at the put on position and temporarily holds the suspension belt. Pressing the manual rod that is moving to move to the standby position, and inserting the beading rod into the annular portion to hold the suspension belt;
At the time of ball removal, the rod drive unit is driven to retract the beading rod from the beading position to the initial position, and the beading device for the hanging belt is pulled out from the annular portion. The lift attachment beam has a long lift attachment beam at the base end on which the fork of the forklift is detachably attached, and the ball attachment device for a plurality of suspension belts according to claim 1 separates the distance in the longitudinal direction Attachment for forklifts characterized by being opened and attached. 3. The attachment for a forklift according to claim 2, wherein the ball hook removing device for each of the suspension belts is provided with two of the ball hook mechanisms arranged in parallel and the annular portion formed at both ends of the suspension belt. The forklift attachment is characterized in that it is detachably held. The forklift attachment according to claim 2 or 3, further comprising: a transmitter wirelessly transmitting a signal instructing driving of the rod driving unit; and the signal attached to the lift mounting beam and transmitted from the transmitter A forklift attachment comprising: a receiver; and a control unit configured to control driving of the rod driving unit based on the signal attached to the lift mounting beam and received by the receiver. The forklift attachment according to any one of claims 2 to 4, further comprising: a manual rod position detection unit for detecting whether the manual rod is in the standby position or in the ball catching position. attachment. The forklift attachment according to any one of claims 2 to 5, further comprising: a hooking rod position detection unit that detects whether the beading rod is in the initial position or in the beading position. Forklift attachment. The forklift attachment according to any one of claims 2 to 6, further comprising: a notification unit for distinguishing and notifying whether the beading rod is at the initial position or at the beading position. attachment. The forklift attachment according to any one of claims 2 to 7, further comprising: an illumination unit attached to a front end side of the lift attachment beam.

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