CN217894877U - Self-sealing type bidirectional lifting hook - Google Patents

Abstract

The application provides a two-way lifting hook of formula of proclaiming oneself, include two coupler bodies and the proclaiming oneself of being the zigzag, proclaiming oneself the piece including the first connecting portion that is located the middle part and the sealing that is located both ends, one of two coupler bodies is articulated with the one end of first connecting portion, and another is articulated with the other end of first connecting portion, and two coupler bodies are central symmetric distribution. When the self-sealing piece rotates relative to the hook body, the sealing part can be abutted against the hook tip of the hook body to seal the hook opening of the hook body. The application provides a two-way lifting hook of formula of proclaiming oneself when realizing that fag end and closed hoisting point can high-speed joint and separation, has effectively promoted the anticreep performance when connecting.

Description

Self-sealing type bidirectional lifting hook

Technical Field

The application relates to the technical field of hoisting tools, in particular to a self-sealing type bidirectional lifting hook.

Background

After the petroleum drilling construction is completed, the drilling equipment needs to be hoisted and carried to a new well. According to the safety regulations on the drilling operation site, the lifting points of all equipment must be closed, and open lifting points are not allowed. The closed hanging point is generally formed by processing a round hole in the middle of an ear plate of equipment, and the rope sling needs to be matched with a shackle to be connected with the closed hanging point. The shackle consists of a U-shaped ring and a bolt, when equipment is hoisted on site, one end of the rope sleeve is firstly hung in a lifting hook of a crane, the other end of the rope sleeve is hung in the U-shaped ring of the shackle, and then the bolt of the shackle penetrates through the closed lifting hook of the equipment to be in threaded connection with the U-shaped ring. After the hoisting is finished, the unbuckled bolt is disassembled and drawn out from the screw hole of the U-shaped ring, and the hoisting belt is separated from the equipment. Because the bolt needs to be continuously unloaded, the aging is very slow, the working efficiency is influenced, and the problem of poor anti-falling performance generally exists in the existing shackle for realizing quick disassembly and assembly, so that the working safety is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, this application provides a two-way lifting hook of formula of proclaiming oneself, when realizing that fag end and closed hoisting point can quick connect and separation, effectively promoted the anticreep performance when connecting.

In order to achieve the above purpose, the present application provides the following technical solutions:

a self-sealing bi-directional hook, comprising:

the self-sealing piece is in a Z shape and comprises a first connecting part positioned in the middle and sealing parts positioned at two ends;

one of the two hook bodies is hinged with one end of the first connecting part, the other hook body is hinged with the other end of the first connecting part, and the two hook bodies are distributed in central symmetry; in the process that the self-sealing piece rotates relative to the hook body, the sealing part can be abutted against the hook tip of the hook body to seal the hook opening of the hook body.

Optionally, in the self-sealing bidirectional lifting hook, when the sealing portion abuts against a hook tip of the hook body, a center of a lifting point of the hook body is located on a connecting line of hinge points of the two hook bodies and the first connecting portion.

Optionally, in the self-sealing bidirectional lifting hook, an extending direction of the sealing portion is perpendicular to an extending direction of the first connecting portion.

Optionally, in the self-sealing bidirectional lifting hook, two ends of the first connection portion are provided with first pin holes, a root of the hook body is provided with a U-shaped second connection portion, the second connection portion is provided with two second pin holes arranged oppositely, and the first pin hole is located between the two second pin holes and provided with a connection pin in a penetrating manner, so that the hook body is hinged to the first connection portion.

Optionally, in the self-sealing bidirectional hook, any one of the two second pin holes is screwed to the connecting pin.

Optionally, in the self-sealing bidirectional lifting hook, a safety catch pin is arranged at the end of the connecting pin.

Optionally, in the self-sealing bidirectional lifting hook, a torsion spring is disposed at a hinge joint of the hook body and the first connection portion, and is used for keeping a hook tip of the hook body against the sealing portion.

According to the technical scheme, the self-sealing type bidirectional lifting hook comprises two hook bodies and a self-sealing piece in a Z shape, wherein the two hook bodies are hinged to the first connecting portion in the middle of the self-sealing piece in a centrosymmetric distribution mode, and the sealing portions at two ends of the self-sealing piece can be abutted to hook tips of the hook bodies in the process of rotating the self-sealing piece relative to the hook bodies, so that hook openings of the hook bodies are sealed. When the device is used, one of the two hook bodies is hung in the hoisting rope sling, and the other hook body is rotated to hook the closed hoisting point of the hoisting equipment, so that the hoisting rope sling and the hoisted equipment are quickly connected. After the hoisting rope sleeve is tensioned by a hoisting crane, the upper hook body and the lower hook body are respectively contacted with two sealing parts of the self-sealing piece under the action of the gravity of the hoisted equipment, so that the self-sealing anti-dropping purpose is realized, and along with the increase of the weight of the hoisted equipment, the contact between the hook bodies and the sealing parts is tighter, and the anti-dropping is stronger. Therefore, the self-sealing type bidirectional lifting hook provided by the application can effectively improve the anti-falling performance during connection while realizing the quick connection and separation of the rope sling and the closed lifting point.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a self-sealing bidirectional hook provided in an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a perspective view of the hook assembly 2 of fig. 1.

Labeled as:

1. self-sealing; 11. a first connection portion; 12. a first pin hole; 13. a sealing part;

2. a hook assembly; 21. a hook body; 22. a second connecting portion; 23. a second pin hole;

3. and (7) connecting pins.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 to fig. 3, the present application provides a self-sealing bidirectional lifting hook, which includes two hook bodies 21 and a self-sealing element 1 in a zigzag shape, where the self-sealing element 1 includes a first connecting portion 11 located in a middle portion and sealing portions 13 located at two ends, that is, the sealing portions 13 are located at two ends of the first connecting portion 11 and extend in opposite directions, so that the self-sealing element 1 is in a zigzag shape as a whole. One of the two hooks 21 is hinged to one end of the first connection portion 11, the other end of the first connection portion 11 is hinged to the other end of the first connection portion, and the two hooks 21 are distributed in a central symmetry manner, that is, the two hooks 21 are hinged to the first connection portion 11, but the orientations of the two hooks 21 are opposite, and the two hooks 21 are hinged to different hinge shafts with the first connection portion 11. During the rotation of the sealing member 1 relative to the hook body 21, the sealing portion 13 can abut against the hook tip of the hook body 21 to close the hook opening of the hook body 21, that is, the distance from the end of the sealing portion 13 to the hinge axis of the hook body 21 and the first connecting portion 11 is not less than the distance from the hook tip of the hook body 21 to the hinge axis (i.e., the opening distance of the hook assembly 2). When the device is used, one hook body 21 is hung in the hoisting rope sling, the other hook body 21 is rotated to be separated from the sealing part 13, the hook opening of the hook body 21 is opened, the hook body 21 is hooked on the hoisting circular holes of the closed type lifting lugs welded at four corners of the hoisted device, and therefore the rapid connection between the hoisting rope sling and the hoisted device is achieved. The self-sealing and anti-dropping device comprises a crane, a hoisting rope sleeve, an upper hook body 21 and a lower hook body 21, wherein the hoisting rope sleeve is tensioned, the upper hook body and the lower hook body are respectively contacted with two sealing parts 13 of a self-sealing piece 1 under the action of the gravity of the hoisted device, the self-sealing and anti-dropping purpose is realized, and the closer the contact between the hook bodies 21 and the sealing parts 13 is, the stronger the anti-dropping effect is. Therefore, the self-sealing type bidirectional lifting hook provided by the application can effectively improve the anti-falling performance during connection when the rope sling and the closed lifting point can be quickly connected and separated.

When moving home and hoisting, in the hoisting capacity scope of a crane, after completing hoisting large equipment with a large rope sling, small equipment needs to be hoisted, and the self-sealing type bidirectional hoisting hook provided by the application is hung into the lifting lugs of the large rope sling and the hoisted equipment, so that the purpose of hoisting small equipment without replacing the rope sling and saving time waste caused by frequently replacing the rope sling is realized, and the hoisting timeliness is improved. Simultaneously, this application has realized proclaiming oneself the anticreep function through proclaiming oneself piece 1 with coupler body 21 articulated, need not to install hook mouth anticreep device additional on the lifting hook, has just also avoided the early defect or the lifting hook intensity reduction scheduling problem that from this cause, has improved the hoist and mount security. Therefore, the swing joint of the upper and lower lifting hook assemblies 2 is realized through the first connecting portion 11 of the self-sealing part 1, the closing of the hook opening of the hook body 21 is realized through the sealing portion 13 of the self-sealing part 1, the anti-dropping function is achieved, the quick connection of the hoisting rope sleeve and the hoisted equipment is realized through the upper and lower hook bodies 21, and the purpose of improving the hoisting timeliness is achieved.

In a preferred embodiment, the self-sealing type bidirectional lifting hook is in a shape satisfying that: when the sealing portion 13 abuts against the hook tip of the hook 21, the center of the hanging point of the hook 21 is located on the connecting line of the hinge points of the two hooks 21 and the first connecting portion 11. That is, after the hoisting rope loop is tightened, under the action of the gravity of the hoisted device, the upper and lower hooks 21 respectively contact with the two sealing portions 13 of the self-sealing part 1, and at this time, in the view shown in fig. 1, the centers of the hoisting points of the two hooks 21 and the two hinge points on the first connecting portion 11 satisfy four-point collinearity. Therefore, the first connecting part 11 can be fully utilized to bear pulling force, and the load capacity and the service life of the self-sealing type bidirectional lifting hook are improved.

As shown in fig. 1, in the present embodiment, the extending direction of the sealing portion 13 is perpendicular to the extending direction of the first connecting portion 11, that is, two corners of the self-sealing component 1 are right angles, so that the self-sealing component 1 is conveniently manufactured by welding a plate material, specifically, the first connecting portion 11 may be a square strip plate forged by alloy steel with a thickness of 10-30 mm, and can bear a weight of 1000-10000 kg, and the sealing portion 13 may be a rectangular parallelepiped forged by alloy steel plate and welded to the left and right sides of the upper and lower ends of the first connecting portion 11. Of course, in other embodiments, the included angle between the sealing portion 13 and the first connecting portion 11 may be other values, for example, the included angle between the sealing portion 13 and the first connecting portion 11 is an obtuse angle. The sealing portion 13 and the first connecting portion 11 may be formed integrally, for example, by forging or casting from the entire sealing member 1.

As shown in fig. 2 and fig. 3, in the present embodiment, two ends of the first connecting portion 11 are opened with first pin holes 12, the root of the hook body 21 is provided with a U-shaped second connecting portion 22, the second connecting portion 22 is opened with two oppositely arranged second pin holes 23, the first pin hole 12 is located between the two second pin holes 23 and is penetrated with the connecting pin 3, so as to realize the hinge joint of the hook body 21 and the first connecting portion 11. That is to say, the hook assembly 2 includes the hook body 21 and the second connecting portion 22, the hook body 21 and the second connecting portion 22 may be connected by welding, or may be an integrally formed structure, the second connecting portion 22 is U-shaped and can be sleeved on the end portion of the first connecting portion 11, and the first pin hole 12 and the second pin hole 23 are aligned and then the connecting pin 3 is passed through the first pin hole and the second pin hole to realize the hinge joint of the hook assembly 2 and the self-sealing member 1. In order to prevent the connecting pin 3 from escaping from the pin holes, a safety catch may be provided at the end of the connecting pin 3, or either one of the two second pin holes 23 may be screwed into the connecting pin 3. In order to further improve the safety, in the present application, a torsion spring may be provided at a hinge joint between the hook body 21 and the first connection portion 11, and the tip of the hook body 21 may be held against the sealing portion 13 by the torsion spring, that is, in a natural state of the torsion spring, the hook opening of the hook body 21 is sealed by the sealing portion 13. The elasticity of the torsion spring should not be too large so that the lifting worker can easily open the hook opening of the hook body 21.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a two-way lifting hook of formula of proclaiming oneself which characterized in that includes:

the self-sealing piece is in a Z shape and comprises a first connecting part positioned in the middle and sealing parts positioned at two ends;

one of the two hook bodies is hinged with one end of the first connecting part, the other hook body is hinged with the other end of the first connecting part, and the two hook bodies are distributed in central symmetry; in the process that the self-sealing piece rotates relative to the hook body, the sealing part can abut against the hook tip of the hook body to seal the hook opening of the hook body.

2. The self-sealing bidirectional lifting hook according to claim 1, wherein when the sealing portion abuts against the hook tip of the hook body, the center of the lifting point of the hook body is located on a connecting line of the hinge point of the two hook bodies and the first connection portion.

3. The self-sealing bidirectional lifting hook according to claim 2, wherein the extending direction of the sealing portion is perpendicular to the extending direction of the first connecting portion.

4. The self-sealing bidirectional lifting hook according to claim 3, wherein the first connecting portion has first pin holes at both ends thereof, the hook body has a U-shaped second connecting portion at the root thereof, the second connecting portion has two oppositely disposed second pin holes, and the first pin hole is located between the two second pin holes and is penetrated by a connecting pin, so that the hook body is hinged to the first connecting portion.

5. The self-sealing bidirectional hook according to claim 4, wherein either one of the two second pin holes is threadedly connected to the connecting pin.

6. The self-sealing bidirectional lifting hook according to claim 4, characterized in that the end of the connecting pin is provided with a safety catch pin.

7. The self-sealing bidirectional lifting hook according to any one of claims 1 to 6, wherein a torsion spring is disposed at a hinge joint between the hook body and the first connection portion for keeping a hook tip of the hook body against the sealing portion.

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