CN219652504U

CN219652504U - Self-locking anti-misoperation hanging structure and safety lifting hook

Info

Publication number: CN219652504U
Application number: CN202320685340.7U
Authority: CN
Inventors: 谢太平
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-08
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a self-locking anti-misoperation hanging structure and a safety lifting hook, comprising a rotating piece, a stress rod, a locking rod and a protective cover, wherein a rotating hole for the rotating piece to penetrate is formed in the protective cover; in this scheme self has the hinge hole on the lifting hook, this scheme is not increasing or changing under the circumstances of lifting hook structural property, realizes the integration with the lifting hook, reaches under the atress or not atress the condition, and the hook region of lifting hook all is in the purpose of closed state, can effectually prevent that the condition of mistake hanging from taking place, and the empty state of colluding or the state of hanging the rope that is, all can avoid taking place to hang with other unnecessary rope between to influence the operation of hoist and mount operation.

Description

Self-locking anti-misoperation hanging structure and safety lifting hook

Technical Field

The utility model relates to the field of safety equipment, in particular to a self-locking anti-misoperation hanging structure and a safety lifting hook.

Background

The existing lifting hook anti-misoperation device usually works in a mode of acting force and reacting force, namely, the elastic force, the gravity of the device or the lever principle are utilized to act on the buckle to realize automatic closing, and the unlocking is operated by an operator. For example, chinese patent publication No. CN109399451a discloses an anti-mishanging device and a method of using the same, which controls the opening or closing of the hook opening by installing a movable lever and a sleeve, and rotating a front end lever. The error-hanging prevention mode through the lever principle has the defect that the front end of the error-hanging prevention mode is positioned in the opening of the lifting hook due to frequent picking, the front end or the rear end lever is required to be rotated for unlocking, and the front section lever is easy to damage in the picking process, so that the error-hanging prevention mode is realized by adopting the conventional inner-buckling lever, and the problems of low efficiency and easiness in damage exist. For example, the lever and the sleeve pipe must pass through the lifting hook to be assembled, so that the installation is very inconvenient, the situation that the error-hanging prevention device is damaged is encountered, the replacement is very inconvenient, the recycling rate is low, and the cost is relatively high.

In addition, the rear end lever is located the outside of lifting hook, relies on rear end lever gravity to close, and in case the lifting hook is in lifting by crane the operation in rear end lever touch other article, very easily lifted and make the lifting hook opening open, the security is not enough.

Disclosure of Invention

The utility model aims to provide a self-locking anti-misoperation hanging structure and a safety lifting hook aiming at the defects, and solves the problems that an anti-misoperation hanging device (a spring and a metal sheet) is easy to damage, inconvenient to take off, difficult to replace, insufficient in safety and the like in the prior art.

The utility model is realized by the following scheme:

the utility model provides a structure is prevented hanging by mistake in auto-lock, includes rotation piece, atress pole, locking pole and visor, be provided with the rotation hole that supplies rotation piece to run through in the visor, rotation piece sets up in the visor, atress pole and locking pole become predetermined angle setting on rotation piece, rotation piece can carry out free rotation around the junction with the visor.

Based on the self-locking anti-misoperation hanging structure, the end part, far away from the rotating part, of the stress rod is provided with an arc-shaped part, and the shape of the arc-shaped part is matched with the hook-shaped profile of the lifting hook to be assembled.

Based on the self-locking anti-misoperation hanging structure, the arc-shaped piece is of a flat structure.

Based on the self-locking anti-misoperation hanging structure, the locking rod is a straight rod, and the length of the locking rod is not smaller than the linear distance of the opening area of the lifting hook.

Based on the self-locking anti-misoperation hanging structure, the rotating piece comprises a rotating screw rod, a limiting nut and a locking nut; the rotating screw rod passes through the rotating hole on the protective cover, and the limiting nut and the locking nut are sequentially sleeved on the rotating screw rod.

Based on the self-locking anti-false hanging structure, the protective cover comprises a first side wall, a second side plate and a connecting plate; the first side wall and the second side wall are symmetrically arranged along the connecting plate, the rotating holes are symmetrically arranged at corresponding positions on the first side wall and the second side plate, and a rotating cavity for the stress rod and the locking rod is arranged between the connecting plate and the first side wall and between the connecting plate and the second side wall.

The utility model also provides a safety hook, prevent mistake including auto-lock and hang the structure, collude body structure and connect the lug, connect the lug setting in collude body structure opening region's upper end position, be provided with on the connection lug and prevent mistake with auto-lock and hang structural connection hinge hole, auto-lock is prevented mistake and is hung the structure and connect the lug articulated, and the atress pole is established in colluding the region, and the locking lever setting is outside colluding regional profile.

Based on the structure of the safety lifting hook, the locking nut penetrates through the hinge hole, and the stress rod and the locking rod are symmetrically arranged at two sides of the hinge hole.

Based on the structure of the safety lifting hook, the locking nut penetrates through the hinge hole, and the stress rod and the locking rod are arranged on the rod body structure between the protection cover on the rotating screw and the hinge hole.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the technical scheme, the stress rod and the locking rod are arranged on the rotating rod, the stress rod and the locking rod can be synchronously driven to rotate under the rotation of the rotating rod, the stress rod is arranged in the lifting hook, the locking rod is arranged outside the range of the lifting hook, when the lifting hook is connected with an external rope, the hook-shaped area is exposed through the rotation of the locking rod, the rope is connected into the hook-shaped area, the stress rod is contacted with the stress rod, the stress rod is abutted against the hook wall, the locking rod is synchronously changed under the change of the angle of the stress rod, the locking rod is enabled to automatically seal the hook-shaped area, the hooking locking is completed, when a plurality of groups of ropes are hung, the ropes are only in a stressed state, the unhooking of other ropes can be prevented, when the ropes are required to be taken out, the ropes are upwards abutted against the locking rod, the rotation is forced, so that the hook-shaped area is taken out, the self-locking operation can be completed by means of the gravity of the rope when the hook is connected, and the gravity is heavier, the locking effect is better, and the operation is simple, and the hook-shaped and the operation is convenient to use.

2. The lifting hook in this scheme is not atress, and the locking pole makes the atress pole rotate under self gravity, and the regional that colludes of closure is closed, and the regional all is in closed state that colludes of lifting hook promptly under atress or unstressed condition, can effectually prevent that the circumstances of mistake string from taking place, and the state is colluded in the sky or the state of string of linking all can avoid taking place to link with other unnecessary rope between to influence the operation of hoist and mount operation.

3. In this scheme self has the hinge hole on the lifting hook, this scheme is not increasing or changing under the circumstances of lifting hook structural property, realizes the integration with the lifting hook, reaches under the atress or not atress the condition, and the hook region of lifting hook all is in the purpose of closed state, can effectually prevent that the condition of mistake hanging from taking place, and the empty state of colluding or the state of hanging the rope that is, all can avoid taking place to hang with other unnecessary rope between to influence the operation of hoist and mount operation.

Drawings

FIG. 1 is a schematic side view of a self-locking anti-false-hanging structure in the present utility model;

FIG. 2 is a schematic diagram of a self-locking anti-false-hanging structure in the present utility model;

FIG. 3 is a schematic view of another self-locking anti-false-hanging structure according to the present utility model;

FIG. 4 is a schematic view of another self-locking anti-false-hanging structure according to the present utility model;

FIG. 5 is a schematic side view of the protective cover of the present utility model;

FIG. 6 is a schematic diagram of the front view of the protective cover of the present utility model;

FIG. 7 is a schematic view of the safety hook according to the present utility model;

description of the drawings: 1. a rotating member; 2. a force-bearing rod; 3. a locking lever; 4. a protective cover; 5. a rotation hole; 6. an arc-shaped member; 7. a hook structure; 8. a connection bump; 11. rotating the screw; 12. a limit nut; 13. a lock nut; 41. a first sidewall; 42. a second side plate; 43. a connecting plate; 44. the cavity is rotated.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may include one or more of the feature, either explicitly or implicitly.

Example 1

As shown in fig. 1 to 6, the present utility model provides a technical solution:

the utility model provides a structure is prevented hanging by mistake in auto-lock, its includes but is not limited to at least rotating piece 1, atress pole 2, locking pole 3 and visor 4, is provided with the rotation hole 5 that supplies to rotate piece 1 to run through in the visor 4, and rotating piece 1 sets up in the visor 4, and atress pole 2 and locking pole 3 set up on rotating piece 1 at predetermined angle, and rotating piece 1 can freely rotate around the junction with visor 4.

Based on the structure, the stress rod 2 and the locking rod 3 are arranged on the rotating rod, the stress rod 2 and the locking rod 3 can be synchronously driven to rotate under the rotation of the rotating rod, the stress rod 2 is arranged in the lifting hook, the locking rod 3 is arranged outside the range of the lifting hook, when the lifting hook is connected with an external rope, the hooking area is exposed through rotating the locking rod 3, the rope is hooked in the hooking area, the stress rod 2 is contacted with the stress rod 2, the stress rod 2 is abutted against the hooking wall, the locking rod 3 is synchronously changed due to the change of the angle of the stress rod 2, the hooking area is automatically closed by the locking rod 3, the hooking locking is completed, when a plurality of groups of ropes are hooked, the other ropes can be prevented from unhooking only by a group of ropes, when the ropes are required to be taken out, the ropes are upwards abutted against the locking rod 3, so that the ropes are forced to rotate, the operation is completed from the hooking area, the self-locking is completed by the gravity of the ropes when the hooking operation is completed, the operation is simple and the operation is convenient when the hooking operation is completed;

meanwhile, the locking rod 3 rotates the stressed rod 2 under the self gravity, and the hook-shaped area of the lifting hook is in a closed state under the stress or unstressed condition, so that the situation of mistaken hanging can be effectively prevented, and hanging with other unnecessary ropes can be avoided no matter in an empty hook state or in a rope hanging state, so that the operation of lifting operation is influenced.

As an example, an arc-shaped part 6 is arranged on the end of the force-bearing rod 2 remote from the rotating part 1, the shape of the arc-shaped part 6 being adapted to the hook-shaped contour of the hook to be fitted.

Based on the structure, set up arc piece 6 on with atress pole 2, on the one hand can increase self gravity, when not articulating, can guarantee its lifting hook regional locking under the circumstances of atress pole 2 self gravity, on the other hand can make arc piece 6 can laminate the lateral wall of lifting hook more when articulating the rope, increase area of contact, make the sealed effect better, reduce the influence of arc piece 6 to lifting hook regional lateral wall simultaneously.

As an example, the arc-shaped member 6 has a flat structure, so that the contact surface between the arc-shaped member 6 and the side wall of the hook can be further increased, and the damage to the side wall of the hook area caused by the arc-shaped member 6 when the external rope is hung is reduced.

As an example, the locking rod 3 is a straight rod, and the length of the locking rod 3 is not smaller than the linear distance of the opening area of the lifting hook, so that the locking rod 3 can completely seal the opening area of the lifting hook under passive rotation.

As an example, the rotator 1 may include a rotation screw 11, a limit nut 12, and a lock nut 13; the rotating screw 11 passes through the rotating hole 5 on the protective cover 4, and the limiting nut 12 and the locking nut 13 are sleeved on the rotating screw 11 in sequence.

Based on the above structure, the length of the locking screw in the protective cover 4 can be adjusted through the limit nut 12, the degree of freedom of the rotating screw 11 during rotation is adjusted, meanwhile, the locking of the position of the limit nut 12 is realized through the interference of the locking nut 13 and the limit nut 12, and the degree of freedom of rotation of the rotating screw 11 is also locked.

As an example, the protective cover 4 may include a first sidewall 41, a second side plate 42, and a connection plate 43; the first side wall 41 and the second side wall are symmetrically arranged along the connecting plate 43, the rotating holes 5 are symmetrically arranged at corresponding positions on the first side wall 41 and the second side wall 42, and a rotating cavity 44 for the stress rod 2 and the locking rod 3 is arranged between the connecting plate 43 and the first side wall 41 and the second side wall.

Based on the above structure, the protection cover 4 provides a connection foundation for the rotating member 1, and simultaneously provides a cavity structure for the rotation of the stress rod 2 and the locking rod 3, and the connection plate 43 limits the limiting positions of the stress rod 2 and the locking rod 3, so that the arc-shaped member 6 of the stress rod 2 is prevented from being influenced by overlarge rotation angle.

As an example, the arc-shaped member 6 has a certain elasticity, and can be deformed under the condition of being stressed, so as to adapt to the hook-shaped profile rotation of the lifting hook in turn.

The rotating piece 1, the stress rod 2, the locking rod 3 and the protective cover 4 are all made of metal materials.

Example 2

As shown in fig. 7, the present utility model provides a technical solution:

the utility model provides a safety lifting hook, its at least includes but is not limited to auto-lock mistake and prevents hanging structure, collude body structure 7 and connection lug 8, and connection lug 8 sets up in the upper end position of collude body structure 7 opening region, is provided with on the connection lug 8 and prevents hanging structure connection hinge hole with auto-lock mistake, and auto-lock mistake is prevented hanging structure and connection lug 8 articulated, and atress pole 2 is established in collude the region, and locking lever 3 sets up outside collude regional profile.

Based on the structure, the hinge hole exists on the lifting hook, the scheme realizes the fusion with the lifting hook under the condition of not increasing or changing the structural performance of the lifting hook, achieves the aim that the hook-shaped area of the lifting hook is in a closed state under the condition of being stressed or unstressed, can effectively prevent the situation of false hanging from happening, and can avoid the hanging with other unnecessary ropes no matter what the state of the hanging rope is or what the hanging rope is, thereby influencing the operation of the lifting operation.

As an example, the lock nut 13 is provided through the hinge hole, and the force receiving rod 2 and the lock rod 3 are symmetrically provided at both side positions of the hinge hole.

Based on the structure, the stress rod 2 and the locking rod 3 are symmetrically arranged, so that the balance during rotation can be ensured, and the rotating piece 1 is smoother during rotation.

As an example, the lock nut 13 is provided through the hinge hole, and the force lever 2 and the lock lever 3 are provided on the lever body structure between the protective cover 4 and the hinge hole on the rotation screw 11.

Based on the structure, the stress rod 2 and the locking rod 3 are arranged side by side on one side, so that the hook-shaped area can be closed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a structure is prevented hanging by mistake in auto-lock which characterized in that: including rotating piece, atress pole, locking pole and visor, be provided with the rotation hole that supplies the rotation piece to run through in the visor, the rotation piece sets up in the visor, atress pole and locking pole become predetermined angle setting on rotating the piece, the rotation piece can carry out free rotation around the junction with the visor.

2. A self-locking anti-false-hanging structure as claimed in claim 1, wherein: the end part of the stress rod, which is far away from the rotating part, is provided with an arc-shaped part, and the shape of the arc-shaped part is matched with the hook-shaped profile of the lifting hook to be assembled.

3. A self-locking anti-false-hanging structure as claimed in claim 2, wherein: the arc-shaped piece is of a flat structure.

4. A self-locking anti-false-hanging structure as claimed in any one of claims 1 to 3, wherein: the locking rod is a straight rod, and the length of the locking rod is not smaller than the linear distance of the opening area of the lifting hook.

5. The self-locking anti-false-hanging structure as claimed in claim 4, wherein: the rotating piece comprises a rotating screw rod, a limiting nut and a locking nut; the rotating screw rod passes through the rotating hole on the protective cover, and the limiting nut and the locking nut are sequentially sleeved on the rotating screw rod.

6. The self-locking anti-false-hanging structure as claimed in claim 5, wherein: the protective cover comprises a first side wall, a second side plate and a connecting plate; the first side wall and the second side wall are symmetrically arranged along the connecting plate, the rotating holes are symmetrically arranged at corresponding positions on the first side wall and the second side plate, and a rotating cavity for the stress rod and the locking rod is arranged between the connecting plate and the first side wall and between the connecting plate and the second side wall.

7. A safety hook, characterized in that: the self-locking anti-misoperation hanging structure comprises the self-locking anti-misoperation hanging structure, a hook body structure and a connecting lug, wherein the connecting lug is arranged at the upper end part of an opening area of the hook body structure, a connecting hinge hole connected with the self-locking anti-misoperation hanging structure is formed in the connecting lug, the self-locking anti-misoperation hanging structure is hinged with the connecting lug, a stress rod is arranged in the hook body area, and a locking rod is arranged outside the outline of the hook body area.

8. A safety hook as claimed in claim 7, wherein: the locking nut passes through the hinge hole, and the stress rod and the locking rod are symmetrically arranged at two sides of the hinge hole.

9. A safety hook as claimed in claim 7, wherein: the locking nut passes through the hinge hole, and the stress rod and the locking rod are arranged on the rod body structure between the protection cover and the hinge hole on the rotating screw.