CN214935292U - Novel helicopter safety sling - Google Patents

Abstract

The utility model discloses a novel helicopter safety sling, which comprises a gravity rotating lifting ring, a first cable rope, a rotating lifting hook and a four-leg rigging, wherein the four-leg rigging is connected with the rotating lifting hook, the rotating lifting hook is connected with the first cable rope, first shackles are arranged between the first cable rope and the gravity rotating lifting ring and on the upper end of the gravity rotating lifting ring, and the gravity rotating lifting ring is of a double-eye structure; the first shackle comprises a shackle body, a shackle pin shaft and a cotter pin; rotatory lifting hook includes lifting hook body and tongue piece, and the tongue piece rotates with the lifting hook body to be connected, and the top of lifting hook body is provided with rings, and the bottom of lifting hook body is provided with the inner hook, and the bottom of tongue piece is provided with the claw that suits with the inner hook. The utility model discloses rotary structure is all adopted at first and last, has improved the antiwind nature of rope, has improved the security and the life of whole equipment in the transportation, has prevented to cause the safety hook to warp because of the revolving force, has realized the duplicate protection of lifting hook, improves the security of lifting hook.

Description

Novel helicopter safety sling

Technical Field

The utility model belongs to the technical field of the safety sling technique and specifically relates to a novel helicopter safety sling is related to.

Background

The practical demand of the helicopter in the air of execution of the foundation handling task, according to understanding, present handling equipment structure singleness, the material singleness at present domestic and abroad, the equipment mainly uses the purchase abroad as the main, and the equipment mainly is wire rope suppression structural style, and the dead weight is big, and difficult receipts, occupation storage space are big, and the operation is not convenient for use. At present, no shaped and convenient-to-operate applicable equipment exists in China, and especially the anti-winding function of a rope, the light weight of the equipment and the rope falling prevention function of a lifting hook cannot be effectively realized. In view of the above, there is a need for a new helicopter safety sling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel helicopter safety hoist cable all adopts revolution mechanic at first and last, has improved the antiwind nature of rope like this greatly, has improved the security and the life of whole equipment in the transportation, guarantees the satisfactory completion of task, and the effectual safety hook that has prevented to cause because of the revolving force warp, has realized the duplicate protection of lifting hook, improves the security of lifting hook.

In order to achieve the purpose, the utility model provides a novel helicopter safety sling, which comprises a gravity rotating lifting ring, a first cable, a rotating lifting hook and a four-leg rigging, wherein the four-leg rigging is connected with the rotating lifting hook, the rotating lifting hook is connected with the first cable, first shackles are arranged between the first cable and the gravity rotating lifting ring and at the upper end of the gravity rotating lifting ring, and the gravity rotating lifting ring is of a double-eye structure;

the first shackle comprises a shackle body, a shackle pin shaft and a cotter pin, the cotter pin is inserted into one end of the shackle pin shaft, the shackle pin shaft is arranged at the open end of the shackle body, the shackle body and the shackle pin shaft are fixed through a pin shaft nut, and the pin shaft nut is arranged on the inner side of the cotter pin and the outer side of the shackle body;

the rotary lifting hook comprises a lifting hook body and a tongue piece, the tongue piece is rotatably connected with the lifting hook body, a lifting ring connected with the first cable rope is arranged above the lifting hook body, an inner hook is arranged at the bottom end of the lifting hook body, and a claw matched with the inner hook is arranged at the bottom end of the tongue piece;

the four-leg rigging comprises a combined ring connected with the hook claw, a second shackle connected with the combined ring, a plurality of second cables connected with the second shackle, a hook connected with the second cables and a hook connected with the hook.

Preferably, the shackle body is provided with a U-shaped structure.

Preferably, the gravity rotating hanging ring comprises a rotating hanging ring body and connecting parts arranged at two ends of the rotating hanging ring body, and hanging holes are formed in the connecting parts at the two ends.

Preferably, the connecting part and the rotary hoisting ring body are of an integrated structure, and the diameter of the rotary hoisting ring body is larger than the thickness of the connecting part.

Preferably, the inside of tongue piece is provided with the anticreep piece, be connected with the anticreep button on the anticreep piece, the setting of anticreep button is in on the outer wall of tongue piece, the anticreep piece card is established in the draw-in groove on the lifting hook body.

Preferably, the outer wall of the tongue piece is provided with a groove, and the groove is of an arc structure.

Therefore, the utility model adopts the above structure a novel helicopter safety hoist cable, the rotary structure is all adopted at first and last, has improved the antiwind nature of rope like this greatly, has improved the security and the life of whole equipment in the transportation, guarantees the satisfactory completion of task, and the effectual safety hook that causes because of the revolving force of having prevented warp, has realized the duplicate protection of lifting hook, improves the security of lifting hook.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a novel helicopter safety sling according to the present invention;

FIG. 2 is a schematic structural view of a gravity rotating bail of an embodiment of the novel helicopter safety sling of the present invention;

FIG. 3 is a side view of a gravity swivel bail of an embodiment of the novel helicopter safety sling of the present invention;

FIG. 4 is a schematic view of a first shackle of an embodiment of the novel helicopter safety sling of the present invention;

FIG. 5 is a schematic diagram of the first cable of an embodiment of the novel helicopter safety sling of the present invention;

FIG. 6 is a schematic view of the structure of a rotating hook of an embodiment of the novel helicopter safety sling of the present invention;

fig. 7 is a schematic structural view of a four-legged rigging according to an embodiment of the novel helicopter safety sling of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is the structure schematic diagram of the novel helicopter safety sling embodiment, fig. 5 is the structure schematic diagram of the first cable of the novel helicopter safety sling embodiment. As shown in the figure, the utility model provides a novel helicopter safety hoist cable, including the rotatory rings of gravity 1, first hawser 2, rotatory lifting hook 3 and four legs riggings 4, four legs riggings 4 are connected with rotatory lifting hook 3, and rotatory lifting hook 3 is connected with first hawser 2, and the upper end that reaches the rotatory rings of gravity 1 between first hawser 2 and the rotatory rings of gravity 1 all is provided with first 5 of breaking out, and the rotatory rings of gravity 1 is eyes type structure. The first mooring rope that uses divides two grades of 5 meters 10 meters level, adopts high strength (ultra high molecular weight polyethylene), and the design increases the protective layer, further increases wear resistance, is higher than same diameter wire rope intensity in intensity, but the weight only 15% of steel wire, and the percentage elongation is low, soft, ultraviolet resistance, have fabulous bending resistance and fatigue resistance. The utility model discloses a structure can realize that the helicopter is in handling goods, rescue article and goods and materials under the condition of not landing, realizes transporting fast, safely aloft. Can absorb the torsional force that the helicopter produced under various flight states, avoid the torsional force to produce the risk of knoing, pine thigh, winding to the hoist cable. Can absorb the revolving force that other uncontrollable factors produced the goods, avoid transmitting to the fuselage, cause the skew track of fuselage flight, cause uncontrollable potential safety hazard even, this structure adopts dual fail-safe auto-lock structure simultaneously, avoids producing the risk of aerial unhook. The combined ring can realize uniform load of four hanging points in the hoisting process. Not only is the operation convenient, but also the whole safety and controllability of the sling are fully realized.

Fig. 4 is a structural schematic diagram of a first shackle of a novel helicopter safety sling embodiment, as shown in the figure, the first shackle 5 includes a shackle body 51, a shackle pin 52 and a split pin 53, the split pin 53 is inserted into one end of the shackle pin 52, the shackle pin 52 is disposed at an open end of the shackle body 51, the shackle body 51 and the shackle pin 52 are fixed by a pin nut 54, and the pin nut 54 is disposed at an inner side of the split pin 53 and an outer side of the shackle body 51. The shackle body 51 is provided in a U-shaped configuration. The first shackle is formed by die forging of a high-grade alloy steel material, a T8-grade 5-ton high-specification model is adopted, and each shackle is provided with a permanent rated load mark, so that the traceability of the shackle is improved. One side of the shackle pin shaft adopts a double safety anti-falling structure of a pin shaft nut and a cotter pin, so that the safety performance is greatly improved.

Fig. 6 is a structural schematic diagram of a rotary lifting hook of a novel helicopter safety sling embodiment, as shown in the figure, the rotary lifting hook 3 includes a lifting hook body 31 and a tongue piece 32, the tongue piece 32 rotates with the lifting hook body 31 to be connected, a lifting ring 33 connected with the first cable 2 is arranged above the lifting hook body 31, an inner hook 34 is arranged at the bottom end of the lifting hook body 31, and a claw 35 adapted to the inner hook 34 is arranged at the bottom end of the tongue piece 32. The inside of tongue piece 32 is provided with the anticreep piece, is connected with anticreep button 36 on the anticreep piece, and anticreep button 36 sets up on the outer wall of tongue piece 32, and the anticreep piece card is established in the draw-in groove on lifting hook body 31. The tongue 32 is provided with a groove 37 on the outer wall, and the groove 37 is provided with an arc structure. First end is revolution mechanic, more can realize the antiwind functional effect of air training rope, and the lifting hook body adopts the structure that has ball bearing with the junction of tongue piece, and ball bearing has dustproof function, and the hook claw card is established on the internal hook, has formed gib head meshing connection structure, has formed the first layer anticreep protection, has realized the second floor anticreep protection through setting up anticreep piece and anticreep button, and self has played duplicate protection's effect to the security of hoist and mount.

Fig. 7 is a schematic structural view of a four-leg rigging according to an embodiment of the present invention, and as shown in the drawing, the four-leg rigging 4 includes a combination ring 41 connected to the claw 35, a second shackle 42 connected to the combination ring 41, a plurality of second cables 43 connected to the second shackle 42, a release hook 44 connected to the second cables 43, and a hook 45 connected to the release hook 44. The four-leg rigging is made of polyethylene materials with ultrahigh molecular weight, is good in performance, is woven by a stranding and twisting process, is high in strength, has the functions of preventing tearing and hanging, is compounded with advanced anti-aging protection materials, effectively enhances the firmness and the anti-aging life of the mooring rope, is used for hanging and hanging various lifting nets or objects needing hanging at four hanging points, and is convenient, rapid, safe and reliable.

Fig. 2 is the utility model relates to a novel structural schematic diagram of the rotatory rings of gravity of helicopter safety sling embodiment, fig. 3 is the utility model relates to a novel side view of the rotatory rings of gravity of helicopter safety sling embodiment, as shown in the figure, the rotatory rings of gravity 1 includes rotatory rings body 11 and sets up the connecting portion 12 at rotatory rings body 11 both ends, all is provided with on the connecting portion 12 at both ends and hangs hole 13. The connecting portion 12 and the rotating hoisting ring body 11 are of an integral structure, and the diameter of the rotating hoisting ring body 11 is larger than the thickness of the connecting portion 12. Rotatory rings of 5 tons level are chooseed for use to the rotatory rings of gravity, rings for connecting can be rotatory under the state of hoist and mount by the thing, adopt the inside bearing revolution mechanic that is equipped with of domestic advanced mature product technology, wholly choose high-grade material preparation for use to form, independent test load is the twice of safe work load during the rotatory rings of gravity test authentication, the surface adopts the zinc-plating, make the product can have anticorrosive better performance and longer life-span, the rotatory rings of gravity are provided with the grease nipple of being convenient for maintain the maintenance, make the product have better maintenance and lubricating property, fully provided service function.

Therefore, the utility model adopts the above structure a novel helicopter safety hoist cable, the rotary structure is all adopted at first and last, has improved the antiwind nature of rope like this greatly, has improved the security and the life of whole equipment in the transportation, guarantees the satisfactory completion of task, and the effectual safety hook that causes because of the revolving force of having prevented warp, has realized the duplicate protection of lifting hook, improves the security of lifting hook.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. A novel helicopter safety sling which is characterized in that:

the lifting device comprises a gravity rotating lifting ring, a first cable, a rotating lifting hook and a four-leg rigging, wherein the four-leg rigging is connected with the rotating lifting hook, the rotating lifting hook is connected with the first cable, first shackles are arranged between the first cable and the gravity rotating lifting ring and at the upper end of the gravity rotating lifting ring, and the gravity rotating lifting ring is of a double-eye structure;

the first shackle comprises a shackle body, a shackle pin shaft and a cotter pin, the cotter pin is inserted into one end of the shackle pin shaft, the shackle pin shaft is arranged at the open end of the shackle body, the shackle body and the shackle pin shaft are fixed through a pin shaft nut, and the pin shaft nut is arranged on the inner side of the cotter pin and the outer side of the shackle body;

the rotary lifting hook comprises a lifting hook body and a tongue piece, the tongue piece is rotatably connected with the lifting hook body, a lifting ring connected with the first cable rope is arranged above the lifting hook body, an inner hook is arranged at the bottom end of the lifting hook body, and a claw matched with the inner hook is arranged at the bottom end of the tongue piece;

the four-leg rigging comprises a combined ring connected with the hook claw, a second shackle connected with the combined ring, a plurality of second cables connected with the second shackle, a hook connected with the second cables and a hook connected with the hook.

2. A novel helicopter safety sling according to claim 1, characterized by: the shackle body is of a U-shaped structure.

3. A novel helicopter safety sling according to claim 2 in which: the gravity rotating lifting ring comprises a rotating lifting ring body and connecting parts arranged at two ends of the rotating lifting ring body, wherein hanging holes are formed in the connecting parts at the two ends.

4. A novel helicopter safety sling according to claim 3 in which: the connecting part and the rotary lifting ring body are of an integrated structure, and the diameter of the rotary lifting ring body is larger than the thickness of the connecting part.

5. A novel helicopter safety sling according to claim 4, characterized by: the inside of tongue piece is provided with the anticreep piece, be connected with the anticreep button on the anticreep piece, the setting of anticreep button is in on the outer wall of tongue piece, the anticreep piece card is established in the draw-in groove on the lifting hook body.

6. A novel helicopter safety sling according to claim 5, characterized by: the outer wall of the tongue piece is provided with a groove, and the groove is of an arc-shaped structure.

Images