CN219239052U

CN219239052U - Anti-swing and difficult-unhooking lifting hook

Info

Publication number: CN219239052U
Application number: CN202320700540.5U
Authority: CN
Inventors: 武建枝; 齐利萍; 武利娟
Original assignee: Henan Ruizhike Electromechanical Equipment Co ltd
Current assignee: Henan Ruizhike Electromechanical Equipment Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-23
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses an anti-swing lifting hook which is not easy to unhook, comprising a mounting arm and an automatic regulating and controlling mechanism; and (2) mounting arms: the two mounting arms are hinged with two bidirectional telescopic rods through hinges at the upper end and the lower end, the telescopic amplitude of the bidirectional telescopic rod at the lower part is larger than that of the bidirectional telescopic rod at the upper part, the lower ends of the mounting arms are hinged with connecting arms through hinges, the lower ends of the connecting arms are hinged with mounting seats through hinges, and the lower ends of the mounting seats are provided with metal hooks; automatic regulation and control mechanism: the automatic regulating and controlling mechanism is characterized in that the automatic regulating and controlling mechanism is respectively arranged in the middle of the opposite outer side surfaces of the connecting arms, the upper ends of the automatic regulating and controlling mechanism are respectively hinged with the adjacent mounting arms through hinges, the swing preventing lifting hook which is not easy to unhook can ensure that the gravity center of a heavy object can not deviate during lifting, so that the deflection force when the heavy object is separated from a supporting surface can be reduced, and further, the heavy object can be prevented from deflecting when the heavy object is lifted by a steel wire rope.

Description

Anti-swing and difficult-unhooking lifting hook

Technical Field

The utility model relates to the technical field of lifting hooks, in particular to an anti-swing lifting hook which is not easy to unhook.

Background

The lifting hook is mainly used for lifting a heavy object and is an indispensable lifting part of a crane, the lifting hook in the prior art is usually a metal hook and is directly fixed at the lower end of a steel wire rope of the crane, and the lifting hook is directly hung on the heavy object when in use, and is simple in structure and convenient to use, but can only hang one point of the heavy object, the gravity center of the heavy object is transferred to the heavy object at the moment of separating from a supporting plane so as to easily drive the steel wire rope to swing, meanwhile, the traditional lifting hook cannot utilize the gravity of the heavy object to extrude to the inside of the heavy object, and unhook is easy to occur in the deflection process.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the anti-swing lifting hook which is not easy to unhook, so that deflection of a heavy object with a steel wire rope during lifting can be avoided, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-swing and difficult-unhooking lifting hook comprises a mounting arm and an automatic regulating and controlling mechanism;

and (2) mounting arms: the two mounting arms are hinged with two bidirectional telescopic rods through hinges at the upper end and the lower end, the telescopic amplitude of the bidirectional telescopic rod at the lower part is larger than that of the bidirectional telescopic rod at the upper part, the lower ends of the mounting arms are hinged with connecting arms through hinges, the lower ends of the connecting arms are hinged with mounting seats through hinges, and the lower ends of the mounting seats are provided with metal hooks;

automatic regulation and control mechanism: the automatic regulating mechanism is arranged in the middle of the opposite outer side surfaces of the connecting arms, the upper ends of the automatic regulating mechanism are hinged with the adjacent mounting arms through hinges respectively, the lower ends of the automatic regulating mechanism are matched with the mounting seats respectively, the gravity center of a heavy object can be guaranteed not to deviate during lifting, so that the deflection force of the heavy object when the heavy object is separated from the supporting surface can be reduced, the heavy object can be prevented from deflecting when the heavy object is lifted by the steel wire rope, and meanwhile, the gravity of the heavy object can be utilized to drive the lifting hook to extrude towards the inside of the heavy object, so that the heavy object is prevented from unhooking.

Further, the bidirectional telescopic rod comprises a shell, a cylinder and a mounting head, wherein the left side surface and the right side surface of the shell are respectively provided with a mounting cavity, the cylinder is respectively connected with the inside of the mounting cavity in a sliding mode, the mounting head is respectively arranged at the outer end of the cylinder, the mounting head is respectively hinged with the upper end of the mounting arm and the lower end of the opposite inner side surface of the mounting arm through hinges, and automatic adjustment can be achieved in the lifting process.

Further, the bidirectional telescopic rod further comprises springs, the springs are respectively arranged in the installation cavity, the outer side ends of the springs are respectively fixedly connected with the cylinders, energy can be stored, and the cylinders are pushed to automatically stretch out.

Further, the automatic regulating mechanism comprises driving arms, driving arms and fixing rods, the fixing rods are respectively arranged in the middle parts of opposite outer side surfaces of the connecting arms, the driving arms are respectively connected to the outer side end heads of the fixing rods through rotating shafts in a rotating mode, the driving arms are respectively connected to the upper ends of the driving arms through rotating shafts in a rotating mode, the opposite inner side end heads of the two driving arms are respectively hinged to the mounting arms through hinges, and the gravity of a heavy object can be converted and utilized.

Further, the automatic regulating mechanism further comprises a top, the top is respectively arranged at the lower ends of the opposite inner sides of the transmission arms, the top corresponds to the left and right positions of the mounting seat respectively, and the top can press the weight against the lower part.

Further, the steel wire rope fixing device further comprises a mounting ring, wherein the mounting ring is arranged in the middle of the upper surface of the uppermost shell, and the steel wire rope fixing device is convenient to fix below the steel wire rope.

Further, the outer cambered surface of the metal hook is provided with annular lines which are uniformly distributed, so that friction force between the weight and the metal hook can be increased.

Compared with the prior art, the utility model has the beneficial effects that: this prevent rocking and difficult unhook's lifting hook has following benefit:

the lifting hook is fixed at the lower end of a steel wire rope of an electric hoist through a mounting ring, when no heavy object is hung, the cylinders are in an extending state under the action of the elasticity of a spring, as the extending amplitude of the lower bidirectional extending rod is larger than that of the upper bidirectional extending rod, two mounting arms are enabled to be splayed to droop, when the heavy object is lifted, two metal hooks are respectively hung at two ends of the heavy object, the electric hoist winds the steel wire rope, the two metal hooks pull the heavy object to move upwards, when the electric hoist moves upwards, the lower ends of the metal hooks increase the gravity of the heavy object, so that the metal hooks pull the lower ends of the mounting arms downwards through the connecting arms, the lower ends of the mounting arms are subjected to the action of gravity, the lower cylinders shrink in a shell below, the lower springs compress, and meanwhile, the cylinder of top stretches out the casing of top, the spring stretching of top, thereby make the inclination of two installation arms synchronous diminish, the installation arm passes through the upper end of actuating arm jack-up drive arm, make the pivot of actuating arm through the dead lever outer end swing, thereby make the top inwards pull against the mount pad respectively, the mount pad inwards moves with the metal hook respectively, simultaneously, cooperate the annular line, make two metal hooks inseparable string in the both sides of heavy object, because two metal hooks cooperation collude the both ends of heavy object, the focus of heavy object can not take place the skew when can guaranteeing to lift by crane, and then the deflection force when can reducing the heavy object and break away from the holding surface, and then can avoid the heavy object to take place the deflection when lifting by crane with wire rope, simultaneously, can utilize the gravity of heavy object self drive lifting hook to the inside extrusion of heavy object, prevent the unhook.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the bi-directional telescoping rod of the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: the device comprises a mounting arm 1, a bidirectional telescopic rod 2, a housing 201, a cylinder 202, a mounting head 203, a spring 204, a connecting arm 3, a mounting seat 4, a metal hook 5, an automatic regulating mechanism 6, a driving arm 61, a driving arm 62, a fixing rod 63, a top 64, a mounting ring 7 and annular threads 8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: an anti-swing and difficult-unhooking lifting hook comprises a mounting arm 1 and an automatic regulating and controlling mechanism 6;

mounting arm 1: the installation arms 1 provide an installation place for other components, the number is two, two bidirectional telescopic rods 2 are hinged at the upper end and the lower end between the two installation arms 1 through hinges, the bidirectional telescopic rods 2 can support the two installation arms 1, the telescopic amplitude of the bidirectional telescopic rods 2 below is larger than that of the bidirectional telescopic rods 2 above, the lower ends of the installation arms 1 are hinged with connecting arms 3 through hinges, the lower ends of the connecting arms 3 are hinged with installation seats 4 through hinges, the lower ends of the installation seats 4 are provided with metal hooks 5, the bidirectional telescopic rods 2 comprise a shell 201, a cylinder 202 and installation heads 203, the left side surface and the right side surface of the shell 201 are respectively provided with an installation cavity, the cylinder 202 is respectively connected in the installation cavities in a sliding mode, the installation heads 203 are respectively arranged at the outer side ends of the cylinders 202, the installation heads 203 are respectively hinged with the upper ends of the installation arms 1 and the lower ends of the opposite inner side surfaces of the installation arms 1 through hinges, the bidirectional telescopic rod 2 also comprises a spring 204, the spring 204 is respectively arranged in the installation cavity, the outer end of the spring 204 is respectively and fixedly connected with the cylinder 202, the bidirectional telescopic rod also comprises a mounting ring 7, the mounting ring 7 is arranged in the middle of the upper surface of the uppermost shell 201, the outer cambered surface of the metal hook 5 is provided with uniformly distributed annular lines 8, the lifting hook is fixed at the lower end of a steel wire rope of an electric hoist through the mounting ring 7, when no heavy object is hung, the cylinder 202 is in an extending state under the elastic force of the spring 204, the extension and retraction amplitude of the bidirectional telescopic rod 2 below is larger than that of the bidirectional telescopic rod 2 above, so that the two installation arms 1 are in splayed shape and drop, when the heavy object is lifted, the two metal hooks 5 are respectively hung at the two ends of the heavy object, the electric hoist winds the steel wire rope, the two metal hooks 5 pull the heavy object upwards, when moving upwards, the lower end of the metal hook 5 increases the gravity of the weight, so that the metal hook 5 pulls the lower end of the mounting arm 1 downwards through the connecting arm 3, the lower end of the mounting arm 1 is acted by gravity, the lower cylinder 202 is contracted inwards to the lower shell 201, the lower spring 204 is compressed, meanwhile, the upper cylinder 202 extends out of the upper shell 201, and the upper spring 204 is stretched, so that the inclination angle of the two mounting arms 1 is synchronously reduced;

automatic regulation and control mechanism 6: the automatic regulating mechanism 6 can realize the automatic regulation of the device when the heavy object is lifted, the automatic regulating mechanism 6 is respectively arranged in the middle parts of the opposite outer sides of the connecting arms 3, the upper ends of the automatic regulating mechanism 6 are respectively hinged with the adjacent mounting arms 1 through hinges, the lower ends of the automatic regulating mechanism 6 are respectively matched with the mounting seats 4, the automatic regulating mechanism 6 comprises driving arms 61, driving arms 62 and fixing rods 63, the fixing rods 63 are respectively arranged in the middle parts of the opposite outer sides of the connecting arms 3, the driving arms 62 are respectively connected with the outer ends of the fixing rods 63 through rotating shafts in a rotating mode, the driving arms 61 are respectively connected with the upper ends of the driving arms 62 through rotating shafts in a rotating mode, the opposite inner ends of the two driving arms 61 are respectively hinged with the mounting arms 1 through hinges, the automatic regulating mechanism 6 also comprises a plug 64, the top 64 sets up in the relative medial surface lower extreme of drive arm 62 respectively, top 64 corresponds with the mount pad 4 left and right sides position respectively, the upper end of drive arm 62 is held in the drive arm 61 in the installation arm 1, make drive arm 62 swing through the pivot of dead lever 63 outer end, thereby make top 64 pull inwards in the mount pad 4 respectively, mount pad 4 carries metal hook 5 inwards to move respectively, simultaneously, cooperate annular line 8, make two metal hooks 5 closely hang in the both sides of heavy object, prevent the heavy object unhook, because two metal hooks 5 cooperate the both ends that hook the heavy object, the focus of heavy object can not take place the skew when can guaranteeing to lift by force, so can reduce the heavy object and break away from the deflection when holding surface, and then can avoid the heavy object to take place the deflection when lifting by crane with wire rope.

The utility model provides an anti-swing and difficult-unhooking lifting hook, which has the following working principle: the lifting hook is fixed at the lower end of a steel wire rope of an electric hoist through a mounting ring 7, when no heavy object is hung, the cylinders 202 are all in an extending state under the action of the elasticity of the springs 204, as the extending and contracting amplitude of the lower bidirectional extending and contracting rod 2 is larger than that of the upper bidirectional extending and contracting rod 2, the two mounting arms 1 are enabled to be splayed to droop, when the heavy object is lifted, the two metal hooks 5 are respectively hung at the two ends of the heavy object, the electric hoist winds the steel wire rope, the two metal hooks 5 pull the heavy object to move upwards, when the electric hoist moves upwards, the lower ends of the metal hooks 5 increase the gravity of the heavy object, so that the metal hooks 5 pull the lower ends of the mounting arms 1 downwards through the connecting arms 3, the lower ends of the mounting arms 1 are enabled to be enabled to shrink inwards by the gravity, the lower cylinders 202 are enabled to shrink inwards by the lower shell 201, the lower springs 204 are compressed, simultaneously, the upper cylinder 202 stretches out of the upper shell 201, the upper spring 204 stretches, the inclination angle of the two mounting arms 1 is synchronously reduced, the mounting arms 1 prop against the upper ends of the transmission arms 62 through the driving arms 61, the transmission arms 62 swing through the rotating shafts at the outer ends of the fixing rods 63, the top heads 64 respectively prop against the mounting seats 4 to inwards pull, the mounting seats 4 respectively carry the metal hooks 5 to inwards move, and simultaneously, the two metal hooks 5 are tightly hung on two sides of the weight to prevent the weight from unhooking, and as the two metal hooks 5 are matched with two ends of the hooked weight, the gravity center of the weight can be guaranteed not to deviate when the weight is lifted, so that the deflection force when the weight is separated from the supporting surface can be reduced, and the deflection of the weight when the weight is lifted with a steel wire rope can be avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a prevent rocking and difficult unhook's lifting hook which characterized in that: comprises a mounting arm (1) and an automatic regulating mechanism (6);

mounting arm (1): the two telescopic support comprises two mounting arms (1), wherein the upper end and the lower end of the two mounting arms are hinged with two telescopic rods (2) through hinges, the telescopic amplitude of the two telescopic rods (2) below is larger than that of the two telescopic rods (2) above, the lower ends of the mounting arms (1) are hinged with connecting arms (3) through hinges, the lower ends of the connecting arms (3) are hinged with mounting seats (4) through hinges, and the lower ends of the mounting seats (4) are provided with metal hooks (5);

automatic regulation and control mechanism (6): the upper ends of the automatic regulating mechanisms (6) are respectively hinged with the adjacent mounting arms (1) through hinges, and the lower ends of the automatic regulating mechanisms (6) are respectively matched with the mounting seats (4).

2. The anti-sway and non-unhook lifting hook of claim 1, wherein: the bidirectional telescopic rod (2) comprises a shell (201), a cylinder (202) and a mounting head (203), wherein mounting cavities are formed in the left side surface and the right side surface of the shell (201), the cylinder (202) is respectively and slidably connected to the inside of the mounting cavities, the mounting head (203) is respectively arranged at the outer end of the cylinder (202), and the mounting head (203) is hinged to the upper end of the mounting arm (1) and the lower end of the opposite inner side surface of the mounting arm (1) through hinges.

3. The anti-sway and non-unhook lifting hook of claim 2, wherein: the bidirectional telescopic rod (2) further comprises springs (204), the springs (204) are respectively arranged in the installation cavity, and the outer side ends of the springs (204) are respectively fixedly connected with the cylinder (202).

4. The anti-sway and non-unhook lifting hook of claim 1, wherein: the automatic regulating mechanism (6) comprises driving arms (61), driving arms (62) and fixing rods (63), wherein the fixing rods (63) are respectively arranged in the middle parts of opposite outer sides of the connecting arms (3), the driving arms (62) are respectively connected to the outer side ends of the fixing rods (63) through rotating shafts in a rotating mode, the driving arms (61) are respectively connected to the upper ends of the driving arms (62) through rotating shafts in a rotating mode, and the opposite inner side ends of the two driving arms (61) are respectively hinged to the mounting arms (1) through hinges.

5. The anti-sway and non-unhook lifting hook of claim 4, wherein: the automatic regulating mechanism (6) further comprises a plug (64), the plug (64) is respectively arranged at the lower ends of the opposite inner sides of the transmission arm (62), and the plug (64) corresponds to the left and right positions of the mounting seat (4).

6. The anti-sway and non-unhook lifting hook of claim 2, wherein: the device also comprises a mounting ring (7), wherein the mounting ring (7) is arranged in the middle of the upper surface of the uppermost shell (201).

7. The anti-sway and non-unhook lifting hook of claim 1, wherein: the outer cambered surface of the metal hook (5) is provided with annular lines (8) which are uniformly distributed.