JP4627609B2 - Clamp - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to load fasteners used in order to Tighten the strip material which is wound around the package.
[0002]
[Prior art]
Conventionally, for example, when a pallet and a load on the pallet are bound together with a belt-like material, a belt-like material such as a turnbuckle is attached to the end of the belt-like material wrapped around the pallet and the baggage to fasten the belt-like material.
[0003]
[Problems to be solved by the invention]
In this case, since the cargo fastener is shipped with the package while being attached to the belt-like material, it is difficult to collect and reuse it especially when the destination is overseas. In addition, since it is necessary to fasten the cargo with a large tension in the case of a large cargo, the cargo fastener becomes expensive, resulting in an increase in transportation cost.
[0004]
The present invention is an object to provide after Nishime work end, a load fastener that can be removed Nishimegu from strip material.
[0005]
The load fastening device of the present invention locks one free end portion of a belt-like material wound around an object to one end portion of the belt-like material locking device, and the other free end portion of the belt-like material locking device. Grip connected to each other in the state where it is inserted into the other end and suspended from the belt-shaped material latching device after being suspended in the suspending portion that suspends the belt-shaped material movably only in the direction of the free end. A method of tightening a load using a load clamp provided with a holding portion and a tension wire portion, wherein a portion of the belt-like material drawn from the suspension portion is detachably attached to a winding mechanism of the tension wire portion. On the other hand, the gripping part is detachably gripped at an appropriate position of the band material located in front of the suspension part, and the part from which the band material is pulled out by the stretched wire part is wound around the winding mechanism. by, that it applies to Nishime method for performing a load tightening the distance is shortened between the gripping portion and the belt-shaped member fastener.
[0006]
In this method, since the belt-like material is pulled out from the belt-like material locking tool having a suspending portion that hangs so as to be movable only in the free end side direction, even in preliminary work in which the belt-like body is pulled out by hand and temporarily tightened. The belt-like material once pulled out does not move and loosen in the direction opposite to the free end. In addition, even after the load tightening operation using the load fastener is completed, even if the load fastener is removed, the belt-shaped material is not loosened, and the tension of the belt-shaped material can be maintained only by the belt-shaped material locking tool.
[0007]
The tension wire part and the gripping part are connected, and the gripping part grips the belt-like material at the part located in front of the suspension part of the belt-like material locking tool. When the belt-like material between them is taken up by the winding mechanism of the tension wire portion, the distance between the gripping portion and the belt-like material locking tool is shortened. As a result, tension is generated in the belt-like material that is wound around the object, and the cargo can be tightened.
[0008]
The strip is removably locked to the winding mechanism of the tension wire section, and the gripping part is also detachably gripped to the strip. The tool can be removed and only a small and simple band-shaped material locking tool can be shipped with the object.
[0009]
[Means for Solving the Problems]
In order to achieve the above-described method , the load fastener of the present invention includes a tension wire portion and a grip portion. The tension wire portion is attached to the drum via a drum that removably engages the free end of the belt-like material and winds the belt-like material, an anti-reverse means that prevents the reverse rotation of the drum, and a unidirectional rotation transmission mechanism. An operating lever that is connected and swings to rotate the drum in the direction of winding the strip, and an extending portion that supports the drum, the reverse rotation prevention means, and the operating lever and extends in the direction opposite to the introduction side of the free end of the strip The support body which has this.
[0010]
Since the free end of the belt-like material is detachably locked to the drum, the load-clamping tool can be removed from the belt-like material after the load-clamping operation is completed.
[0011]
Since the drum is provided with a reverse rotation preventing means, it is possible to prevent the belt from loosening when the belt is wound. In addition, since the reverse rotation preventing means can be released, the drum can be rotated reversely in order to remove the wound belt-like material from the drum after the completion of the loading operation.
[0012]
In addition, since the operation lever is connected to the drum via the one-way rotation transmission mechanism, the belt-like material can be wound around the drum simply by swinging the operation lever, so that efficient load tightening work can be performed.
[0013]
The gripping part is arranged to face the fixed side gripping part, a gripping part main body provided with a fixed side gripping part, a pair of links for connecting the extension part and the gripping part main body in parallel links The link on the side away from the tension line part of the pair of links has an extension part that bends and extends to the tension line part side from the coupling part with the grip part main body. The movable side gripping part is pin-coupled to the part.
[0014]
Since the movable gripping portion can swing around the pin, the belt-like material can be pressed uniformly between the fixed gripping portion.
[0015]
When the belt-like material is wound around the tension member at the time of the load-clamping operation, tension is generated in the belt-like material wound around the object. Since the belt-like material is gripped, a tension acts between the tension wire portion and the grip portion. Since the extension portion of the tension wire portion and the grip portion main body of the grip portion are connected by a parallel link, the grip force is increased in proportion to the tension, and the grip of the belt-like material at the grip portion is increased. Become more certain.
[0016]
Moreover, since the tension | tightening part and the holding part are comprised integrally, the clamping tool of this invention can perform a clamping operation | work efficiently.
[0017]
Therefore, the load fastener according to the present invention can lock one free end of the belt-like material at one end and insert the other free end into the other end so that the belt-like material can move only in the free end side direction. The above-described method can be advantageously realized by separately providing and using a band-shaped material locking tool having a suspending portion that is wound around and reversed to the drum side and used for winding the drum. In addition, as a raw material of a strip | belt material, what has little elongation, such as nylon and polyester, is used suitably.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0019]
FIG. 2 is a perspective view of the load fastener 1, FIG. 3 is a front view showing the principal part in a cutaway state, and FIG. 4 is a plan view thereof.
[0020]
The cargo fastener 1 includes a tension wire portion 2 and a grip portion 3. The tension wire portion 2 includes a free end portion 7 of the belt-shaped member 5 having a gear 12 provided on a shaft 11 rotated by a ratchet mechanism 10 operated by an operation lever 9 and a gear 13 meshed with the gear. A winding drum 14 is provided, and the shaft 11 and the drum 14 are rotatably held between two plate-like supports 22 and 22 supported by four support columns 21a, 21b, 21c and 21d. An elongated extending portion 24 is attached to 21c, 21d of the four support columns 21a, 21b, 21c, 21d in the direction opposite to the introduction side of the free end portion 7 of the belt-like material 5.
[0021]
When the operating lever 9 is swung in the direction of arrow A, the drum 14 rotates in the direction of arrow B. The drum 14 is provided with a through slit 15 that locks the free end 7 of the belt-like material 5. When the free end 7 of the strip 5 is locked to the through slit 15 and the operation lever 9 is swung, the free end 7 of the strip 5 is wound around the drum 14. At this time, the free end portion 7 of the belt-like material 5 is guided by the column 21a on the introduction side of the free end portion 7 of the belt-like material 5 of the stretched wire portion 2, and the downward movement in FIG. Will improve.
[0022]
Further, one of the two plate-like supports 22, 22 engages with a gear 13 provided on the drum 14, and the drum 14 moves in the direction of arrow B when the free end 7 of the belt-like material 5 is wound up. A locking claw 16 that rotates only in the direction C and prevents reverse rotation in the arrow C direction is provided. The locking claw 16 is pivotally attached to one side of a plate-like support 22 by a pin 19, and an engaging portion 17 with the gear 13 is provided at one end and a finger engaging portion 18 is provided at the other end.
[0023]
The locking claw 16 is normally urged in a direction to press against the gear 13 by a spring 20, but in order to remove the free end portion 7 of the belt-like material 5 from the drum 14 after the completion of the clamping operation, the drum 14 is To reverse the rotation, the finger locking portion 18 is pressed with a finger and rotated around the pin 19 to release the engagement.
[0024]
A manual knob 23 that rotates the drum 14 manually is provided coaxially with the drum 14. When the tension is not generated in the strip 5 in the initial stage of the loading operation, or when the free end 7 of the strip 5 is removed from the drum 14 after the completion of the clamping operation, the manual knob 23 is used to remove the drum 14. If you rotate it, you can work faster.
[0025]
The grip portion 3 includes a grip portion main body 25, a fixed side grip portion 26 provided in the grip portion main body 25, and a movable side grip in the shape of an isosceles triangle arranged to face the fixed side grip portion 26. Part 27 and a first link 28 and a second link 29 which are a pair of links for connecting the extension part 24 of the tension wire part 2 and the grip part 3 in parallel links. The first link 28 and the second link 29 are connected to the extending portion 24 of the tension wire portion 2 and the grip portion main body 25 so as to be swingable by pins 32a, 32b, 32c, and 32d. The second link 29 on the side away from the tension wire portion 2 has an extension portion 30 that bends and extends to the tension wire portion 2 side from the coupling portion by the pin 32d with the gripping portion main body 25, and has a generally rectangular shape as a whole. Presents. A movable gripping portion 27 is pivotally coupled to the distal end of the extension portion by a pin 31. Since the movable side gripping part 27 is coupled to the extension part 30 by the pin 31, the belt-like material 5 can be pressed uniformly between the fixed side gripping part 26.
[0026]
Both the fixed side gripping portion 26 and the movable side gripping portion 27 are in contact with the belt-like material 5 and have a width that is slightly wider than the width of the belt-like material 5 and a length that is about twice and 1.5 times the width, respectively. ing.
[0027]
When the tension wire portion 2 and the grip portion 3 are separated from each other, the movable side grip portion 27 attached to the distal end of the extension portion 30 of the second link 29 approaches the fixed side grip portion 26, and conversely, when they are brought closer, the movable side The grip portion 27 moves away from the fixed side grip portion 26. The solid line in FIG. 3 indicates the position of each component of the gripping portion 3 when the tension wire portion 2 and the gripping portion 3 are pulled apart, and the two-dot chain line indicates the position of the gripping portion 3 when they are brought close to each other.
[0028]
FIG. 5 is a perspective view of the belt-like material locking tool 4. The belt-like material locking tool 4 is rotatable to side plates 34 and 34, slide side plates 35 and 35 that move in the direction of arrow D, and rotary side plates 36 and 36 that rotate around a shaft 37b, and shafts 37a, 37b, 37c, and 37d. The rollers 38a, 38b, 38c, and 38d are pivotally supported, and the rollers 38a, 38b, 38c, and 38d constitute suspension portions 39a and 39b, respectively. The movement range of the slide side plate 35 is restricted by long holes 42a and 42b (shown in FIG. 7) provided in the slide side plate 35 and shafts 37c and 37d inserted therethrough.
[0029]
When the slide side plate 35 is at the a side end of the moving range, the stop portion 41 provided on the rotation side plate 36 engages with the stop portion 40 provided on the slide side plate, and the direction of the arrow E of the rotation side plate 36 Rotation is regulated.
[0030]
FIG. 6 is a view showing a method of mounting the belt-like material 5 on the suspension portions 39a and 39b of the belt-like material locking tool 4. As shown in FIG. The suspension portions 39a and 39b have the same configuration except that the positional relationship of the rollers is bilaterally symmetric, and the attachment method and operation effect of the belt-like material 5 are the same. And the description of the case of the suspension part 39b will be omitted.
[0031]
The free end portion 6 of the belt-like material 5 is passed between the rollers 38b and 38c, is made to circulate around the roller 38a, and is then drawn out of the belt-like material locking tool 4 through the space between the roller 38b and the belt-like material 5. At this time, the stoppers 40 and 41 of the belt-like material locking tool 4 are engaged.
[0032]
Here, two strips of material are wrapped around the roller 38b, and when the belt-like material 5 on the side of the object 43 is pulled out from the belt-like material locking tool 4, the upper belt-like material 5 is lowered. The belt-like material 5 on the side is pressed against the roller 38b, and the belt-like material 5 is locked to the belt-like material locking tool 4 by the frictional resistance between the two belt-like materials.
[0033]
On the other hand, when the belt-like material 5 is pulled out to the free end 6 side, there is no portion of the suspending portion 39a that presses the belt-like material 5 against the rollers 38a and 38b with the belt-like material 5, so that a large friction does not occur and the belt-like material does not appear. The material 5 can be easily pulled out by hand.
[0034]
Further, when the belt-like material locking tool 4 is holding the belt-like material 5 having a tension in a closed state, the tension of the belt-like material 5 is released, and when the belt-like material 5 is removed from the object 43, As shown in FIG. 7, the slide side plate 35 of the belt-like material locking tool 4 is moved in the direction b, the engagement between the stoppers 40 and 41 is disengaged, and the rotation side plate 36 is rotated in the direction of arrow E. Then, since the length of the part of the belt-like material 5 that is hung around the object 45 becomes longer, the belt-like material 5 is loosened, and the belt-like material 5 can be removed from the belt-like material locking tool 4 by hand.
[0035]
Next, the loading method according to the method of the present invention will be described. FIG. 1 is an explanatory diagram of a cargo tightening operation. As already described, the free ends 6 and 7 of the belt-like material 5 hung around the object 43 are attached to the suspension portions 39a and 39b of the belt-like material locking tool 4.
[0036]
Next, the gripping portion 3 of the load clamp 1 is gripped at a position in front of the strip-shaped material locking tool 4 of the strip-shaped material 5, and the free end portion 7 of the strip-shaped material 5 is pulled out from the strip-shaped material locking tool 4, It is inserted into the through slit 15 of the drum 14 of the tension wire portion 2.
[0037]
The manual knob 23 is turned by hand to rotate the drum 14, and the belt-like material 5 is wound up until the belt-like material 5 hung around the object 43 is not loosened. At this time, the locking claw 16 is engaged with the gear 13, and the rotation allowable direction of the one-way rotation mechanism 10 is set to a direction in which the drum 14 can be rotated forward with the operation lever 9 fixed.
[0038]
Next, the operating lever 9 is swung to rotate the drum 14, and the free end 7 of the strip 5 is wound up. Then, since the gripping part 3 is gripped on the belt-like material 5, the distance L 1 between the gripping part 3 and the belt-like material locking tool 4 is shortened, and the belt-like material 5 is placed around the object 43. Since it is hung around, tension is generated and the cargo is tightened.
[0039]
In addition, when the belt-like material 5 is wound up by the tension wire portion 2, the grip portion 3 is gripped on the belt-like material 5 as described above, so that a tension is applied between the tension wire portion 2 and the grip portion 3. Is pulled in the direction in which the distance L2 increases, and the connecting portion 32c between the second link 29 and the extension portion 24 moves to the tension wire portion 2 side and is attached to the extension portion 30 of the second link 29. The movable gripping portion 27 is pressed toward the fixed gripping portion 26 side. That is, the gripping force increases in proportion to the tension of the belt-shaped material 5, and the belt-shaped material 5 can be gripped more reliably by the belt-shaped material gripping portions 26 and 27.
[0040]
When the tension of the belt-like material 5 is released and the belt-like material 5 is removed from the object 43 after the completion of the loading operation, first, the slide side plate 35 of the belt-like material locking tool 4 is moved in the direction b as shown in FIG. The stoppers 40 and 41 are disengaged and the rotary side plate 36 is rotated in the direction of arrow E to cause the belt-like material 5 to be loosened, and the free end 6 side of the belt-like material 5 is removed from the belt-like material locking tool 4. Next, in order to reversely rotate the drum 14 of the stretched wire portion 2, that is, in the direction of arrow C, the engagement of the locking claw 16 is disengaged, and the rotation lever is allowed to rotate in the one-way rotation mechanism 10 with the operation lever fixed. Set the direction so that it can be reversed. In this state, when the manual knob 23 is turned by hand to reverse the drum 14, the strip 5 can be removed from the drum.
[0041]
In this embodiment, the belt-like material 7 drawn out from the suspending portion 39b side of the belt-like material locking tool 4 is wound up by the stretched wire portion 2, but the belt-like material 5 drawn out from the suspended portion 39a side is wound up. Even if it is wound up at 3, it can be loaded in the same way.
[0042]
【The invention's effect】
According to the loading method according to the present invention, only an inexpensive belt-like material locking tool is shipped together with the package, and the loading tool can be used repeatedly, so that the distribution cost can be reduced. Further, according to the load fastening tool of the present invention, the load fastening method can be efficiently performed.
[Brief description of the drawings]
FIG. 1 is a diagram showing a method for tightening a load according to the method of the present invention.
FIG. 2 is a perspective view of a load fastener according to the present invention.
FIG. 3 is a front view showing a main part of the load fastener according to the present invention broken away.
FIG. 4 is a plan view of a load fastener according to the present invention.
FIG. 5 is a perspective view of a belt-like material locking tool.
FIG. 6 is a view showing a method for attaching a belt-shaped member to a hanging portion of a belt-shaped material locking tool.
FIG. 7 is a diagram showing a method for releasing the tension of the belt-shaped material and removing the belt-shaped material from the belt-shaped material locking tool.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Load clamp 2 Tension line part 3 Grasping part 4 Strip | belt-shaped material latching tool 5 Strip-shaped body 6, 7 Free end part 8 of a strip | belt-shaped material Winding mechanism 9 Operation lever 10 Ratchet mechanism 14 Drum 16 Locking claw 22 Support 24 Extension part 25 Grasping part main body 26 Fixed side gripping part 27 Movable side gripping part 28 First link 29 Second link 30 Extension part 39a, 39b Suspension part 43 Object L1 Between gripping part and belt-like material locking tool Distance L2 Distance between the tension part and the grip part

Claims (2)

  The stretched wire portion is composed of a stretched wire portion and a gripping portion. An operation lever that is connected to the drum via a unidirectional rotation transmission mechanism and rotates the drum in the direction of winding the strip by swinging, and supports the drum, the reverse rotation prevention means, the operation lever, and the introduction of the free end of the strip A support body having an extending portion extending in the opposite direction to the side, and the gripping portion includes a gripping portion main body having a fixed side gripping portion, and the extending portion and the gripping portion main body in parallel. A pair of links to be linked and a movable side gripping part arranged to face the fixed side gripping part, and the link on the side away from the tension line part of the pair of links is connected to the gripping part main body. It has an extension part that bends and extends to the tension line part side from the coupling part, and the movable side grip part is in this extension part Nishimegu characterized in that it is pin-connected. One end of the belt-like material is locked at one end portion, the other free end portion is inserted into the other end portion, the belt-like material is suspended so as to be movable only in the free end side direction, and the drum is reversed to the drum side. The load fastener according to claim 1, further comprising a belt-like material locking tool having a suspending portion for use in winding .

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