JPH04133676U - coil hanging tool - Google Patents

Abstract

(57) [Summary] [Objective] To provide a coil hoist that is lightweight and compact, allows the lifting head of a lifting machine to be reduced, and also makes it possible to narrow the interval between adjacent coils in a loaded state. [Structure] A lifting base material 3 equipped with a lifting hook holding fitting 2 in the center, and a pair of lifting base materials 3 that can be traversed on the lifting base material 3 and symmetrically arranged around the holding fitting 2. hacker support members 4, 42; a traverse drive device 5 for synchronously driving the hacker support members 4, 42 in opposite directions; Claw 6
It consists of an inverted L-shaped hacker pair 7 with

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a lifting device for lifting and transporting coils, which is lightweight and compact. The present invention provides a coil hanging device that enables automatic slinging due to its structure.

0002

[Conventional technology]

In recent years, many coil hoists have been proposed for lifting and transporting heavy coils without requiring a sling operator. 8 to 10 are structural diagrams showing an example of the conventionally well-known coil hanging tool mentioned above, and the coil hanging tool _{T 1 in} FIG. It has a link structure in which the lower end interval L _O of the hacker a ₁ is adjusted by a driving device e using a cylinder or the like. The coil hanging tools T ₂ , T ₃ in FIGS. 9 and 10 are used to attach the hackers a ₂ , a ₃ , which are traverseably suspended from the support frames f and f ₁ , using, for example, a rack and pinion, or a threaded rod g ₁ and this screw. The rod _g1 is configured to be moved horizontally by a drive device g consisting of a worm _g2 , a worm wheel _g3, etc. that rotates the rod g1.

0003

[Problem that the idea aims to solve]

The coil hanging tool of the conventional structure described above, for example, the link structure coil hanging tool T₁Now, multiple Coil hanging tool T because it uses a complicated link mechanism.₁becomes large and heavy. It had the disadvantage of being bulky. In addition, since it uses a link mechanism, it can be used as a coil hanger. T₁total height H_CIt was also expensive. As a result, the lift height of the lifting machine must be increased. As a result, it became necessary to increase the capacity of the lifting equipment and the height of the building. This led to a significant increase in costs. On the other hand, the coil hanging tool T shown in FIG.₂is mentioned above Coil hanging tool T with link structure₁Although it effectively solves the drawbacks of, for example, As shown in 11, the coil c of a specific part of the coil c stacked in multiple stages in a ship hold etc. ₁ When slinging is concentrated, the coil stacking interval k₁is at least supporting frame f length k₂This is a major hindrance to improving loading efficiency. It had become. Moreover, the coil hanging tool T shown in FIG. 10(A)₃Now, let's improve the loading efficiency mentioned above. is possible, but the retaining claw a₀When the weight of coil c acts on Hacker a with the weight of coil c so that₃As a result, the support frame f₁to An extremely large couple acts. Therefore, the support frame f₁Ya, hacker a₃The high strength It must be of a rigid structure with a coil hanging tool T.₃However, it is heavy and It was also large and had a high overall height Hc. This invention aims to fundamentally solve the problems with the conventional coil hanging tools, and is lightweight and small. type, it is possible to reduce the lifting height of the lifting machine, and also to reduce the spacing between adjacent coils in the loaded state. The object of the present invention is to provide a coil hanger that can be made narrower.

0004

[Means to solve the problem]

The coil hanging device of the present invention that solves the above problem is characterized by having the following configuration. It is something to do. That is, the coil hanging device of the present invention has a lifting base material equipped with a lifting hook holding fitting in the center. and one that is movable on the lifting base material and that is arranged symmetrically around the holding fitting. A pair of hacker support members and the hacker support member are synchronously driven in opposite directions. a traverse drive device, an upper end of which is rotatably supported by the support member, and a lower end of which has a retaining claw; It consists of a pair of inverted L-shaped hackers. In addition, the lifting base material or the hacker support member is provided with a hacker in an unloaded state. Another feature is that it is equipped with a stopper mechanism to hold it horizontally. moreover Further, the stopper mechanism may include a holding member that is erected on the support member and a hacker that protrudes from the holding member. It is constructed by connecting the fixed bracket with a connecting rod with a spring body interposed. are other characteristics.

[0005]

[Effect]

The coil hanging device of the present invention drives a traverse drive device, and a hacker support member (hereinafter simply referred to as The support member) is centered around the lifting hook holding fitting (hereinafter simply referred to as the holding fitting). quickly move the hacker to a predetermined coil width by driving transversely in opposite directions. Moreover, the amount of horizontal movement of the lower end of the hacker can be minimized to allow accurate movement. Wear. In addition, the hacker is rotatably supported by the supporting member, and has an inverted L shape. Therefore, the lifting load acting on the lifting base material when the coil is lifted will be described later. As shown in the figure, only a simple vertical load is required. For this reason, each member is constructed with the minimum structural material. As a result, the entire coil hanging device can be made compact. Ru.

[0006]

【Example】

FIG. 1 is a structural diagram showing an embodiment of a coil suspender based on the present invention. In the figure 1 indicates a coil hanging tool, and this coil hanging tool 1 is equipped with a holding fitting 2 approximately in the center. A lifting base material 3, a support member 4 disposed so as to be able to move laterally on the lifting base material 3, and the supporting member 4 a traversing drive device 5 that drives the holding member 4 laterally; and an upper end rotatable to the supporting member 4; It consists of an inverted L-shaped hacker 7 which is pivoted and has a retaining claw 6 at the lower end. There is. The retaining metal fitting 2 is attached to the lifting base approximately at the center in the longitudinal direction of the lifting base 3. It is fixed to the material 3 and attached to the crane frame as shown in Figure 2 (X-X sectional view in Figure 1). It has an engaging part 2a that engages with the hook h. The support member 4 is perpendicular to the retaining metal fitting 2. They are arranged symmetrically on the left and right about the axis l, and the vertical Constructed to move transversely at approximately the same speed in opposite directions with respect to the vertical axis l, that is, to move synchronously has been done. The support member 4 in this embodiment is shown in FIG. 3 (YY sectional view in FIG. 1). The support blocks 41 at both ends and the shaft 42 connecting the support blocks 41 The support block 41 is composed of a lifting base material 3 and a support block attached to this lifting base material 3. It has a structure in which it is guided and held by the guide member 31 and can freely move across the lifting base material 3. ing. The hacker 7 is rotatably mounted on the shaft 42. In addition, this example The traverse drive device 5 is screwed onto the shaft 42 as shown in FIGS. 1 to 3. A threaded rod 51, a worm and a worm wheel that rotationally drive the threaded rod 51. It consists of a reducer 52 consisting of a worm, and a motor 53 that rotates the worm. ing. The pair of left and right shafts 42 are each provided with reverse threads, and the threaded rod 5 1, the shaft 42 and the supporting member 4 integrated therewith are rotated. Move laterally in synchrony in opposite directions. Of course, the pair of left and right support members 4 are synchronized. It is not limited to this example as long as it can move in opposite directions. For example, a well-known chain drive or rack and pinion drive mechanism may be adopted as appropriate. It is also possible to use However, in the experience of the present inventors, the structure of this embodiment It was preferable because it could be placed in a small space and the overall size of the coil hanging device could be made smaller. .

[0007] The hacker 7 is formed in an inverted L shape, and as mentioned above, its upper end is a support part. It is rotatably supported on a shaft 42 that constitutes the material 4, and has a retaining member at the lower end that engages the coil c. It has a claw 6. The hacker 7 has an inverted L shape and is rotatably supported on the shaft 42. As a result, the coil c is in a lifted state as shown in the schematic diagram of Fig. 4. and a support member 4 that supports the hacker 7 even if the hacker 7 is elastically deformed. Only a vertical load w acts on the lifting base material 3. For this reason, Hacker 7 and support A great advantage is that there is no need to make the guide member 31 that guides and holds the member 4 strong. demonstrate. Furthermore, when the above-mentioned coil c is lifted, the hacker 7 has an axis Since the rotational force Wh is acting inward with 42 as the fulcrum, the hacker 7 is pushed outward. There is no risk of the coil c escaping and falling off. On the other hand, when Hacker 7 is in an unloaded state, , since the gravity of the coil c does not act, the hacker 7 Rotating force is generated by the own weight of the sling, and the end face of the coil may be damaged during slinging. There is a risk of damage. In order to prevent this, the hacker should be watered down in an unloaded state. A stopper mechanism for holding it flat is attached to the lifting base material 3 or the hacker support member 4. is an effective means.

FIG. 5 shows an embodiment of the stopper mechanism, in which a holding member 81 that stands on the sliding member 4 and a fixing bracket 82 protruding from the hacker 7 hold a spring body 83 such as a coil spring. They are connected by an interposed connecting rod 84. In the coil suspender 1 equipped with such a stopper mechanism 8, a force couple Ws is generated due to the gravity of the hacker 7 when the coil is not lifted, that is, in an unloaded state. Therefore, the guide member 31 is required to have enough strength to resist this couple Ws. However, the gravity of the hacker 7 is extremely small compared to the weight of the coil, and the guide member 31 can be a small member and have a simple structure. 6 and 7 show other embodiments of the guide member 31, in which the lower part of the support member 40 is bored into the lifting base material 3 as shown in FIG. 7 (Z-Z sectional view in FIG. 6). It is configured to fit into the dovetail groove 9 and to be able to move laterally along the dovetail groove 9, and to resist the above-mentioned couple Ws. By moving the support members 4 and 40 laterally, the hacker 7 can move in the horizontal direction and adjust the lower end interval L _O .

[0009]

[Effect of the idea]

The coil hanging tool 1 of the present invention allows the hacker lower end spacing L _O to be largely adjusted without increasing the length of the lifting base material 3. Furthermore, since the hacker 7 is moved in the horizontal direction, it is extremely easy to adjust the lower end spacing L _O , and the spacing j and k ₁ between adjacent coils c shown in FIG. 11 can be reduced, making it possible to significantly improve loading efficiency. . In addition, the overall height H _C of the coil hanging device 1 can be made low, and only the vertical load acts on the lifting base material 3, guide member 31, dovetail groove 9, etc. in the lifted state, so that the overall height is reduced. The structure can be made smaller, and the coil hanging tool can be made lighter and smaller.

[Brief explanation of drawings]

FIG. 1 is a structural diagram showing an embodiment of a coil hanger based on the present invention.

FIG. 2 is a sectional view taken along line XX in FIG. 1;

FIG. 3 is a sectional view taken along the YY line in FIG. 1;

FIG. 4 is a schematic diagram for explaining how a load is applied to the coil hanging tool.

FIG. 5 is a schematic diagram for explaining how a load is applied to the coil hanging tool.

FIG. 6 is a structural diagram showing another embodiment of the coil hanger based on the present invention.

FIG. 7 is a sectional view taken along the Z-Z line in FIG. 6;

FIG. 8 is a structural diagram showing different examples of conventional general coil hanging tools.

FIG. 9 is a structural diagram showing different examples of conventional general coil hanging tools.

FIG. 10 is a structural diagram showing different examples of conventional general coil hanging devices.

FIG. 11 is a structural diagram showing how coils are loaded.

[Explanation of symbols]

1 Coil hanging tool 2 Holding metal fittings 3 Lifting base material 4 Support member 5 Traverse drive device 6 Holding claw 7 Hacker 8 Stopper mechanism 9 Dovetail groove 40 Support member

Claims (3)

[Scope of utility model registration request] 1. A lifting base material having a lifting hook holding fitting in the center thereof, and a pair of hackers disposed symmetrically around the holding fitting so as to be able to move across the lifting base material. A supporting member, a traversing drive device for synchronously driving the hacker supporting member in opposite directions, and an inverted L-shaped hacker pair whose upper end is rotatably supported by the support member and whose lower end has a retaining claw. A coil hanging tool consisting of: [Claim 2] A lifting base material or a hacker support member,
2. The coil suspender according to claim 1, further comprising a stopper mechanism for holding the hacker in an unloaded state substantially horizontally. 3. The coil according to claim 2, wherein the stopper mechanism is constructed by connecting a holding member that is erected on the sliding member and a fixing bracket that projects from the hacker with a connecting rod with a spring interposed therebetween. Hanging equipment.