JPH10279262A - Suspension implement for hanging carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain constant a space between the lower end parts of a pair of tension cables by forming guide parts in both end parts of a main body rod and hook parts in the vicinity of both ends of the main body rod in a suspension implement for hangingly carrying a bar-like work on the hook of a crane by the tension cables and carrying the same. SOLUTION: Guide parts 5 are fixed in both end parts of a main body rod 4, and hooking members 6 having hook parts 6a are fixed in the vicinity of both ends of the main body rod 4. Then, loop parts 3a provided in both end parts of a sling 3 are hooked on the hook 2 of a crane, a part of the sling 3 extended from one loop part 3a is inserted into the left guide part 5 to be unhooked from the left hook part 6a, and a part extended from the other loop part 3a is inserted into the right guide part 5 to be unhooked from the right hook part 6a and thereby a hoisting accessory 1 is formed. Thus, the positions of the pair of supporting parts 3b of the sling 3 for supporting a work W are regulated and the work W is stably carried.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging / conveying hanger used for suspending and transporting a bar-shaped work by a tension cable on a hook of a crane, and in particular, a pair of tension cables approaching the work side. It relates to a device that has a function of restricting it from being performed.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, when a rod-shaped work W (rod, pipe material, etc.) is suspended on a hook 100 of a crane by a tension cable 101 (wire or sling), both ends of the work W The work W is supported on a pair of U-shaped portions 101a at the lower end portions of the two tension lines 101 using two U-shaped tension lines 101 supported by the hooks 100. The work W is suspended and conveyed in a state where the space between the pair of U-shaped portions 101a is secured through the frictional force between the work W and the work W.

[0003]

When the work W is suspended and transported as shown in FIG.
Since the tension acting on 1 includes a component force that causes them to approach each other, the pair of tension cables 101 moves in the phase approaching direction under the influence of vibrations during transportation, and the balance of the center of gravity is lost. As shown in FIG. 9, there is a problem that the work W falls off from the tension cable 101. In addition, when the position of the tension cable is regulated via some rod-shaped member, if the length of the rod-shaped member is constant, it is difficult to apply the method to works of various lengths and lacks versatility. In addition, in the case of using any closed-loop guide for regulating the position of the tension cable, it may be troublesome to introduce the tension cable into the guide. SUMMARY OF THE INVENTION It is an object of the present invention to provide a suspending / transporting suspending device capable of regulating a tension cable so that a distance between lower ends of a pair of tension cables is not reduced.

[0004]

According to a first aspect of the present invention, there is provided a hanging and transporting hanger used for hanging and transporting a bar-shaped work with a tension cable on a hook of a crane. A closed loop-shaped guide portion for guiding the tension cable is formed at each end of the main body rod, and hook portions for hanging the tension cable are formed near both ends of the main rod.

[0005] A pair of tension cables (one continuous tension cable or two independent tension cables) extending from the hook of the crane are inserted through a pair of guide portions, respectively. Is to hook the tension cable passing through one guide section on one hook through the lower side of the work, and to pass the tension cable passing through the other guide section on the lower side of the work through the other hook section. , The work can be transported by hanging it with a tension cable. A guide portion is provided at each end of the main body rod, and a hook portion is provided near each end of the main body rod.
Since the position is regulated by the pair of guide portions and the pair of hook portions and they do not approach each other, the work can be stably suspended and transported.

In addition, since the guide portion has a closed loop shape, the tension line does not come off, and the tension line can be hung on the hook portion. Can be easily applied,
In addition, it becomes easy to remove the tension cord from the hook after the work is transported. The pair of tension cables may be a single tension cable having both ends supported by a crane hook, or two tension cables having both ends supported by a crane hook.

According to a second aspect of the present invention, there is provided a hanging and transporting hanger.
In the invention, the hook portion is provided so as to be located on a surface orthogonal to the axial direction of the main body rod. Therefore, when the work is suspended, the tension cable can be prevented from coming off from the hook even if the main body rod rotates slightly around its axis. Other operations are the same as those of the first aspect.

According to a third aspect of the present invention, there is provided a hanging and transporting hanger.
In the invention, the guide portion is switchable between an open loop-shaped guide portion main body, a closed position for closing the opening from the inside and an open position opened to the inside, and one end is pin-connected to the guide portion main body. A claw member and a spring member for urging the claw member toward the closed position are provided.
In a state in which the claw member is not forcibly opened, the claw member is urged to the closed position by the spring member, so that the claw member holds the closed position, and the guide portion has a closed loop shape. Since the tension cable can be introduced into the guide portion with the claw member switched to the open position, the attachment and detachment of the tension cable with respect to the guide portion is simplified. When the claw member is in the closed position, even if the claw member is pushed outward by the tension cable, it does not open outward, so that the tension cable can be securely held. Other effects are the same as those of the second aspect.

According to a fourth aspect of the present invention, there is provided a hanging and transporting hanger.
In the invention according to any one of the first to third aspects, it is a single tension cord having a loop portion for hanging on a crane hook at both ends, and a portion extending from one loop portion is inserted through one guide portion. A portion extending from the other loop portion is freely hookable to and detachable from the other hook portion, and a portion extending from the other loop portion is freely hookable to the other hook portion, and a central portion in the longitudinal direction extends along the main body rod. It is characterized in that one tension cord is provided. In a state where the work is not suspended, the main body rod can be supported by the tension cable and can be moved regardless of whether the tension cable is hung on the pair of hook portions or not. When suspending the work, the center of the tension cable
If the workpiece is detached from the pair of hooks, hung on the lower side of the work, and then hung on the pair of hooks, the work can be suspended and transported. Since one tension cable is used, it is advantageous in terms of equipment costs. In addition, the same operation as any one of the first to third aspects is achieved.

According to a fifth aspect of the present invention, there is provided a hanging and transporting hanger.
In the invention according to any one of the above-described embodiments, two tension cables each having a loop portion for hanging on a hook of a crane at both ends, and a portion extending from a pair of loop portions of one tension cable is provided. One of the tension portions can be inserted into and removed from one of the hook portions while a portion extending from the pair of loop portions of the other tension cable can be inserted into and removed from the other hook portion. It is characterized in that certain two tension cables are provided.

In a state where the work is not suspended, the main body rod can be supported and moved by hooking the U-shaped lower end of each tension cable to the corresponding hook. If the lower end of each tension cable is removed from the corresponding hook in a state where the work is not suspended, each tension cable can be pulled out from the corresponding guide portion. When suspending the work, remove the U-shaped lower end of each tension cord from the corresponding hook part, hang it on the lower side of the work, and hang it on the corresponding hook part so that the work can be suspended and transported. become. Since the total number of tension cables in contact with the work is four, it is excellent in stability,
In addition, the work of hooking and removing each tension cable from the corresponding hook portion is also simplified. In the unused state, the two tension cords are advantageously detached from the main rod and can be used for another purpose. In addition, the same operation as any one of the first to third aspects is achieved.

According to a sixth aspect of the present invention, there is provided a hanging and transporting hanger.
5. The invention according to any one of items 4 to 4, wherein the main body rod is provided with a length adjusting mechanism capable of adjusting the length thereof. Through the length adjusting mechanism, the length of the main body rod can be adjusted in accordance with the length of the work, and can be hung in a more stable state. In addition, the same operation as in any one of claims 1 to 4 is achieved.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 3, the suspending / transporting hanger 1 is for suspending and transporting a bar-shaped work W with a belt-shaped sling 3 as a tension cable on a hook 2 of a crane. The hanging and transporting suspending device 1 (hereinafter referred to as a suspending device) is a rod-shaped main body rod 4.
A pair of closed loop-shaped guide portions 5 fixed to both ends of the main body rod 4 and a pair of hook members 6 fixed to the vicinity of both ends of the main body rod 4 and each having a hook portion 6a.
And one continuous sling 3.

The main body rod 4 is made of a metal tube having a predetermined length (for example, 60 to 150 cm). The guide portion 5 is formed of an eyebolt. The leg portion 5a of the eyebolt is screwed to the hook member 6 and welded as necessary.
It is provided so as to be located on a common surface including the axis of the main body rod 4. These guide portions 5 are for inserting and guiding the sling 3.

The hook member 6 is formed by integrally forming a hook body 6b and a hook 6a.
a is formed to be curved upward so that the sling 3 can be hung, and the hook portion 6a is provided so as to project forward from the hook body portion 6b. The end of the main body rod 4 is fitted and welded to the concave portion provided in the hook main body 6b, and the leg 5a of the guide portion 5 is screwed to the hook main body 6b. The pair of left and right hook portions 6a are provided in the same positional relationship with respect to the main body rod 4 so as to be located on a surface orthogonal to the axis of the main body rod 4, and are sled from the upper opening of the hook portion 6a. 3.

At both ends of the sling 3, loop portions 3a for hanging the hooks 2 of the crane are formed.
A portion of the sling 3 extending from one of the loop portions 3a passes through the left guide portion 5 and the left hook portion 6a.
a portion extending from the other loop portion 3a is inserted into the right guide portion 5 so as to be freely hookable and disengageable from the right hook portion 6a, and a central portion in the longitudinal direction extends along the body rod 4. It is designed to extend.

The operation and effect of the hanging device 1 will be described. 1 shows a state in which the workpiece W is suspended and transported by a crane. In this suspended transport state, a pair of hook portions 6a near both ends of the main body rod 4 and both ends of the main body rod 4 are shown. The position of the pair of support portions 3b of the sling 3 supporting the work W is regulated by the pair of guide portions 5 of the portion, and the pair of support portions 3b do not move in the phase approaching direction. The work W can be stably conveyed.

When removing the work W after the transfer,
After lowering the work W on the floor or table and loosening the sling 3, the center part of the sling 3 in the length direction is connected to a pair of hook portions 6.
By removing the workpiece W from a, the work W can be taken out. When the main body rod 4 is hung by the crane via the sling 3 in a state where the work W is removed in this manner, the central portion in the longitudinal direction of the sling 3 extends along the main body rod 4, and the sling 3 is connected to the pair of guides. Since it does not come off from the part 5, the body rod 4
Can be moved. Thereafter, when suspending the work W placed on the floor surface or on the table, the main body rod 4 is moved to the work W, and the center of the sling 3 in the length direction passes under the work W. Then, when it is hung on the pair of hook portions 6a and lifted, the state shown in FIG. 1 is obtained.

As described above, since the pair of hook portions 6a are capable of hanging the sling 3, the sling 3 can be easily moved before and after the transfer of the work W. Since the pair of guide portions 5 are formed in a loop shape, the sling 3 does not come off from the guide portions 5 and the reliability is excellent. And since the hook part 6a is provided so that it may be located in the surface orthogonal to the axis of the main body rod 4,
When the work W is suspended, the sling 3 does not come off the hook 6a even if the main body rod 4 rotates slightly around its axis. In addition, the work W
Can be hung, the required number of slings 3 is small, and this is also advantageous in terms of equipment costs.

Next, a modified embodiment of the hanging device 1 will be described. 1) As shown in FIG. 4, each guide portion 5A can be switched between an open loop-shaped guide portion main body 5b, a closed position for closing the opening from the inside, and an open position opened for the inside, and one end is guided. Claw member 5c pin-connected to the main body 5b with a pin 5d
And a spring member (not shown) formed of a torsion spring for urging the claw member 5c toward the closed position, which is externally mounted on the pin 5d, one end of which is locked by the guide portion main body 5b, and the other end thereof. And a spring member locked to the claw member 5c.

Therefore, when the sling 3 is introduced into the guide portion 5A, the sling 3 can be easily introduced into the guide portion 5A by pushing the claw member 5c inward and switching to the open position. The guide unit 5A is brought into the closed position by the urging force, and maintains the closed loop state. When removing the sling 3 from the guide portion 5A, the sling 3 can be easily removed from the guide portion 5A by pushing the claw member 5c inward to form an open loop.

2) As shown in FIG. 5, the hanging device 1A is provided with a length adjusting mechanism 10 for adjusting the length of the main body rod 4 in accordance with the length of the work W. That is, the main body rod 4A is divided at its longitudinal center position, and a main body outer tube 11 functioning as a main body rod is fitted to these main body rods 4A so as to be relatively slidable. In each case, four sets of bolt holes 12 are formed in a penetrating manner, and in the vicinity of both ends of the main body outer tube 11, one set of bolt holes 13 are formed in a penetrating manner, and usually handles a relatively short work W. At this time, the bolts 14 are inserted into the bolt holes 1 at both ends of the main body outer tube 11 in a state where both main body rods 4A are inserted into the main body outer tube 11 to the maximum.
It is used in a state where it is inserted through the bolt hole 13 and the bolt 13 and fastened with the nut 14a.

When a long workpiece W is to be suspended, one or both nuts 14a are loosened and one or both bolts 14 are pulled out, and one or both of the main body rods 4A are moved by an appropriate pitch to the main body. After being pulled out from the outer tube 11 to the extension side, the removed bolt 14 is inserted into the bolt hole 12 and the bolt hole 13 and fastened with the nut 14a, so that the length of the main body rod 4A is appropriately adjusted to be longer. use. When the length adjusting mechanism 10 is provided,
Since the length of the main body rod 4A can be adjusted in six stages according to the length of the work W, stability when the work W is suspended is enhanced. Therefore, the suspending tool 1A can be applied to suspending and transporting works W of various lengths, and is excellent in versatility.

3) As shown in FIG. 6, instead of the sling 3, a single wire 15 as a tension cable may be applied. That is, a loop portion 15a for hanging the hook 2 of the crane is formed at both ends of the wire 15, and a portion extending from one of the loop portions 15a is a guide portion 5 on the left side.
And the portion extending from the other loop portion 15a can be inserted into and removed from the right hook portion 6a through the right guide portion 5 so as to be detachable from the left hook portion 6a. The portion extends along the body rod 4.

4) As shown in FIG. 7, two wires 16 and 17 having loop portions 16a and 17a for hanging on hooks 2 of a crane are provided at both ends, and a pair of one of the wires 16 is provided. A portion extending from the loop portion 16a passes through the left guide portion 5, and a U-shaped portion 16b at the lower end thereof
Can be hooked on and removed from the left hook portion 6a, the portion of the other wire 17 extending from the pair of loop portions 17a passes through the right guide portion 5, and the U-shaped portion 17b at the lower end thereof is positioned on the right side. The hook 6a is freely detachable.

When the work is not suspended, each wire 1
Hook portions 6 corresponding to U-shaped portions 16b and 17b
If it is hung on a, the main body rod 4 can be supported and moved by the wires 16 and 17. If the wires 16, 17 are detached from the corresponding hook portions 6a in a state where the work is not hung, the wires 16, 17 can be pulled out from the corresponding guide portions 5. When suspending the work, the U-shaped portions 16b and 17b of the wires 16 and 17 are detached from the corresponding hook portions 6a, hung on the lower side of the work, and then hanged on the corresponding hook portions 6a. It can be suspended and transported. Since the total number of wires 16 and 17 that come into contact with the work is four, the stability in the suspended state is excellent, and the work of hooking and removing the wires 16 and 17 from the corresponding hook portions 6a is also easy. Become. In the non-use state, the two wires 16, 17 can be removed from the main body rod 4 and used for another purpose, which is advantageous.

5) The shape of the guide portion 5 is not limited to a circular loop shape, but may be an oval loop shape according to the cross-sectional shape of the sling, or may be a loop shape of another shape. Further, the guide portions 5 and 5A do not necessarily need to be formed of eyebolts, and may be formed so as to be located in a plane orthogonal to the axis of the main body rod 4. Further, the shape of the hook 6a is not limited to a circle, but may be an oval according to the cross-sectional shape of the sling, or may be another shape. Further, instead of the hook member 6, an open-loop eyebolt may be formed by welding to the main body rod 4, and the hook portion 6a may be formed integrally with the guide portion 5. In addition, it goes without saying that the present invention can be implemented in a form in which various changes are added without departing from the spirit of the present invention.

[0028]

According to the first aspect of the present invention, a main body rod is provided, a pair of guide portions and a pair of hook portions are provided on the main body rod, and the main body rod, the guide portion, and the hook portion are interposed. Since a pair of tension cables supporting the work can be regulated so that they do not come close to each other, the safety of hanging and transferring the work is enhanced by the very simple structure of the hanging and transporting hanger. Efficiency can be improved. According to the invention of claim 2, since the hook portion is provided so as to be located on a surface orthogonal to the axial direction of the main body rod, the main body rod slightly rotates around its axis when the work is suspended. Even in this case, the tension cable can be configured so as not to come off from the hook portion. The other effects are the same as those of the first aspect.

According to the third aspect of the present invention, the tension cable can be put in and taken out of the guide section with the claw member switched to the open position, so that the tension cable can be easily attached to and detached from the guide section. When the claw member is in the closed position, even if the claw member is pushed outward by the tension cable, it does not open outward, so that the tension cable can be securely held. Other effects are the same as those of the second aspect.

According to the fourth aspect of the present invention, since one tension cord is not separated from the main body rod and is one tension cord, it is advantageous in terms of equipment cost. Other claims 1-3
The same effect as any one of the above items is obtained. According to the invention of claim 5, when the work is not hung, the tension cable can be separated from the main body rod and applied to another use, and the number of tension cables in contact with the work becomes four, so that the stability is excellent. That the work of hanging the tension cable on and off the hook is simplified,
And the like. In addition, the same effect as any one of the first to third aspects is obtained.

According to the sixth aspect of the present invention, the main body rod is provided with a length adjusting mechanism capable of adjusting the length thereof. The length can be adjusted and it can be hung in a more stable state. In addition, the same effect as any one of the first to fourth aspects can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a hanger for hanging and transporting according to an embodiment of the present invention.

FIG. 2 is a partially cutaway cross-sectional plan view of the hanging and transporting hanger of FIG. 1;

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a plan view of a main part of a hanging and transporting hanger according to a modified embodiment.

FIG. 5 is a diagram corresponding to FIG. 2 of a hanging and transporting hanger according to another modification.

FIG. 6 is a schematic view of a hanging and transporting hanger according to another modification.

FIG. 7 is a schematic view of a hanging and conveying hanging device according to another modification.

FIG. 8 is a diagram corresponding to FIG. 1 according to the prior art.

FIG. 9 is a diagram showing a state in which a workpiece is started to fall according to the related art
FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hanging device for suspension conveyance 2 Hook 3 Sling (tension cable) 4, 4A Main body rod 5, 5A Guide part 5b Guide part main body 5c Claw member 5d Pin 6 Hook member 6a Hook part 10 Length adjustment mechanism 11 Main body outer tube 12 Bolt hole 13 Bolt hole 14 Bolt 14a Nut 15,16,17 Wire

Claims (6)

[Claims] 1. A hanging and transporting suspending device used for suspending and transporting a rod-shaped workpiece by a tension cable on a hook of a crane, wherein a closed loop-shaped guide for guiding a tension cable to both ends of a rod-shaped main body rod. A hanger for hanging and transporting, wherein a guide portion is formed, and a hook portion for hanging a tension cable is formed near both ends of a main body rod. 2. The hanging and conveying hanging device according to claim 1, wherein the hook portion is provided so as to be located on a surface orthogonal to the axial direction of the main body rod. 3. The guide portion can be switched between an open loop-shaped guide portion main body, a closed position for closing the opening from the inside and an open position opened to the inside, and one end is pin-connected to the guide portion main body. 3. The hanging and transporting hanger according to claim 2, further comprising a claw member and a spring member for urging the claw member toward the closed position. 4. A tension cable having a loop portion at both ends for hooking on a hook of a crane, and a portion extending from one loop portion passes through one guide portion and is hooked on one hook portion. A portion extending from the other loop portion is removably attached to the other hook portion through the other guide portion, and a central portion in the longitudinal direction is provided with one tension cord extending along the main body rod. 4. The device according to claim 1, wherein
The suspending / transporting hanger according to any one of the above items. 5. Two tension cables each having a loop portion at both ends for hooking the hook of a crane, and a portion extending from a pair of loop portions of one tension cable passes through one guide portion. The two tension cables which can be hooked / removed on one hook portion and the portions extending from the pair of loop portions of the other tension wire are inserted through the other guide portion and can be hooked / removed on the other hook portion. The hanging and transporting hanger according to any one of claims 1 to 3, further comprising: 6. The hanging and conveying hanging device according to claim 1, wherein a length adjusting mechanism capable of adjusting the length of the main body rod is provided.