CN116534716A

CN116534716A - Self-unhooking mechanism

Info

Publication number: CN116534716A
Application number: CN202310437091.4A
Authority: CN
Inventors: 沈高
Original assignee: Jiangsu Wanzhongshan Electric Co ltd
Current assignee: Jiangsu Wanzhongshan Electric Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-04

Abstract

The invention relates to the technical field of self-lifting hook unhooking equipment, and provides a self-unhooking mechanism which is used for being connected with a lifting piece and comprises a shell, a lifting hook unit, a limiting unit and an elastic unit, wherein the lifting hook unit and the limiting unit are respectively arranged on the shell through rotating shafts, the elastic unit drives the lifting hook unit to rotate around the rotating shafts, and the limiting unit rotates in a direction deviating from the lifting hook unit and supports the limiting lifting hook unit, so that the lifting angle of the lifting hook unit is increased. Through the spacing unit that sets up, spacing unit is fixed with the initial condition of lifting hook state, receives the gravity of hoist and mount spare when the lifting hook, and at this moment, lifting hook unit is ajusted, and spacing unit pops open, and after hoist and mount, the elastic component is rotatory accomodate lifting hook unit to the casing in.

Description

Self-unhooking mechanism

Technical Field

The invention relates to the technical field of self-lifting hook unhooking equipment, in particular to a self-unhooking mechanism.

Background

The existing high-low voltage cabinet can be provided with hanging rings at the top due to dead weight, when a large cabinet body needs to be hoisted, the hanging rings are required to be manually climbed to the top of the cabinet body, the hanging rings are manually installed and unhooked, when the crane conveys the cabinet body to a designated position, the pile hanging operation is completed, in order to hoist safety, if an operator directly climbs high and unhooks to detach, additional auxiliary equipment is required, the operation time is increased, and safety risks exist. To this end we propose a hook assembly.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a self-unhooking mechanism, which overcomes the defects of the prior art, has reasonable design, compact structure and convenient operation and solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme:

the utility model provides a self-unhooking mechanism for be connected with hoist and mount, including casing, lifting hook unit, spacing unit, elastic element, lifting hook unit and spacing unit are installed respectively on the casing through the pivot, and elastic element drive lifting hook unit revolutes the rotation of axis of rotation, and spacing unit deviates from the direction rotation of lifting hook unit and supports and hold spacing lifting hook unit, increase lifting hook unit and lift by crane the angle.

Preferably, the limiting unit is arranged in the shell and corresponds to the lifting hook unit, the limiting unit comprises a fastener, and a torsion spring for driving the fastener to deflect is sleeved on a rotating shaft of the compression bar limiting unit inserted in the fastener.

Preferably, the vertical plane of the fastener is parallel to the vertical plane of the shell, and the inner wall of the fastener is fixedly inserted with a compression bar.

Preferably, the shell is also connected with a transverse plate for limiting the limiting unit.

Preferably, the elastic unit further rotates and stores the hook unit in the shell to be separated from the hook, the hook unit comprises a sleeve and the hook, and the sleeve is provided with a pull rod connected with the elastic unit and a limit flange inserted in the fastener.

Preferably, the sleeve outwards extends to form a lug, and the pull rod is sleeved on the lug.

Preferably, the lifting hook is also integrally connected with a fixed block, and the fixed block is fixedly connected with the sleeve through a bolt.

Preferably, the elastic unit is located in the shell, the elastic unit comprises a shrinkage spring, and two ends of the shrinkage spring are respectively connected to the shell and the lifting hook unit.

Preferably, the shell is also connected with a fixing rod, and the contraction spring is sleeved on the fixing rod.

Preferably, the limiting unit is also connected with an elastic sheet, and the elastic sheet is also connected with a blocking piece which abuts against the opening of the lifting hook to seal.

(III) beneficial effects

The embodiment of the invention provides a self-unhooking mechanism. The beneficial effects are as follows:

1. through the spacing unit that sets up, spacing unit is fixed with the initial condition of lifting hook state, receives the gravity of hoist and mount spare when the lifting hook, and at this moment, lifting hook unit is ajusted, and spacing unit pops open, and after hoist and mount, the elastic component is rotatory accomodate lifting hook unit to the casing in.

2. Through the elastic component that sets up, the initial condition that the elastic component drove the lifting hook unit is deflection state, and its open angle of lifting hook grow has increased the lifting angle, conveniently breaks away from by the hung object, avoids the workman to climb and unloads the hook.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic cross-sectional view of the line A-A of FIG. 3 in accordance with the present invention;

FIG. 5 is a partial schematic view of FIG. 2 according to the present invention;

FIG. 6 is a schematic view showing an initial state of the hook unit of the present invention;

fig. 7 is a schematic view showing the lifting time of the hook unit according to the present invention.

In the figure: 1. a housing; 11. a fixed rod; 2. a kit; 21. a pull rod; 22. a limit flange; 3. a lifting hook; 31. a fixed block; 4. a fastener; 41. a compression bar; 42. a torsion spring; 5. a spring plate; 51. a gear member; 6. the spring is contracted.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, a lifting hook is used for being connected with a lifting piece, and comprises a shell 1, a lifting hook unit, a limiting unit and an elastic unit, wherein the lifting hook unit and the limiting unit are respectively arranged on the shell 1 through a rotating shaft, the elastic unit drives the lifting hook unit to rotate around the rotating shaft, the limiting unit rotates in a direction deviating from the lifting hook unit and supports against the limiting lifting hook unit, the lifting angle of the lifting hook unit is increased, the lifting angle refers to the stroke of an opening of the lifting hook, which is contacted with a lifting ring, and the larger the lifting angle is, the larger the stroke of the opening of the lifting hook, namely the fault tolerance of the lifting hook entering the lifting ring is high, so that the lifting hook is conveniently sleeved with the lifting ring;

the limiting unit is arranged in the shell 1 and corresponds to the lifting hook unit, the limiting unit comprises a fastener 4, the fastener 4 is a shoe-shaped piece, a through hole is further formed in the shorter end of the shoe-shaped piece, the through hole is a step hole, the vertical plane of the fastener 4 is parallel to the vertical plane of the shell 1, a compression bar 41 is fixedly inserted on the inner wall of the fastener 4, the compression bar 41 is parallel to a rotating shaft, a torsion spring 42 is sleeved on the rotating shaft, one end of the torsion spring 42 is fixed on the inner wall of the shell 1, the other end of the torsion spring 42 is overlapped on the compression bar 41, a transverse plate for limiting the limiting unit is further connected to the shell 1, the transverse plate is positioned in the shell 1 and is parallel to the rotating shaft of the limiting unit, and when the torsion spring 42 drives the fastener 4 to rotate, the fastener 4 is overlapped on the transverse plate to avoid excessive rotation of the fastener 4;

the lifting hook unit comprises a sleeve member 2 and a lifting hook 3, wherein the sleeve member 2 is connected with a pull rod 21 and a limit flange 22, the sleeve member 2 is outwards extended to form a convex block, the pull rod 21 is sleeved on the convex block, the limit flange 22 is positioned on an extension line of a rotating shaft and a circle center of the pull rod 21, the limit flange 22 is matched and abutted with a step hole, the elastic unit is positioned in the shell 1 and comprises a shrinkage spring 6, and two ends of the shrinkage spring 6 are sleeved on the fixed rod 11 and the pull rod 21 respectively.

In this embodiment, the hook 3 is further integrally connected with a fixing block 31, and the fixing block 31 is fixedly connected with the sleeve 2 through a pin shaft.

In this embodiment, still be connected with shell fragment 5 on the spacing unit, still be connected with shelves piece 51 on the shell fragment 5, still be connected with the connecting rod on the shelves piece 51, the tip of shell fragment 5 cup joints on the connecting rod of shelves piece 51, shelves piece 51 support and lean on the uncovered department of lifting hook in order to seal, and the lifting hook drops when preventing to lift by crane the object, makes things convenient for the couple.

When the lifting hook is used, energy is stored firstly, then the lifting hook is installed on a crane, the crane drives the lifting hook 3 to move to the lifting ring, the lifting hook 3 is clamped on the lifting ring through transverse displacement and is driven to lift, at the moment, the deflected lifting hook 3 can vertically pull the lifting hook downwards to rotate and reset by taking the rotating shaft as the center of a circle under the action of gravity of a lifting part, meanwhile, the limit flange 22 on the lifting hook unit is separated from the through hole on the limit unit, meanwhile, the torsional spring 42 drives the fastener 4 to deflect towards the outer side of the shell 1 and drives the elastic sheet 5 and the blocking piece 51 to separate from the lifting hook 3, after the displacement of the lifting part is completed, the elastic unit drives the lifting hook unit to rotate and be stored in the shell 1 when the lifting hook 3 is not subjected to the gravity of the lifting part, and the lifting hook can automatically drop.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The self-unhooking mechanism is used for being connected with a lifting piece and comprises a shell (1), a lifting hook unit, a limiting unit and an elastic unit;

the lifting hook unit and the limiting unit are respectively installed on the shell (1) through the rotating shaft, the elastic unit drives the lifting hook unit to rotate around the rotating shaft, the limiting unit rotates in the direction deviating from the lifting hook unit and abuts against the limiting lifting hook unit, and the lifting angle of the lifting hook unit is increased.

2. A self-unhooking mechanism as claimed in claim 1, wherein: the limiting unit is arranged in the shell (1) and corresponds to the lifting hook unit, the limiting unit comprises a fastener (4), and a torsion spring (42) for driving the fastener (4) to deflect is sleeved on a rotating shaft of the limiting unit, which is inserted into the fastener (4) and provided with a compression bar (41).

3. A self-unhooking mechanism as claimed in claim 2, wherein: the vertical plane of the fastener (4) is parallel to the vertical plane of the shell (1), and a compression bar (41) is fixedly inserted on the inner wall of the fastener (4).

4. A self-unhooking mechanism as claimed in claim 3, wherein: the shell (1) is also connected with a transverse plate for limiting the limiting unit.

5. A self-unhooking mechanism as claimed in claim 1, wherein: the elastic unit also rotates and stores the lifting hook unit into the shell (1) so as to separate from the lifting hook, the lifting hook unit comprises a sleeve (2) and a lifting hook (3), a pull rod (21) connected with the elastic unit and a limit flange (22) inserted into the fastener (4) are arranged on the sleeve (2).

6. A self-unhooking mechanism as claimed in claim 5, wherein: the sleeve (2) is outwards extended to form a lug, and the pull rod (21) is sleeved on the lug.

7. A self-unhooking mechanism as defined in claim 6, wherein: the lifting hook (3) is also integrally connected with a fixed block (31), and the fixed block (31) is fixedly connected with the sleeve (2) through a bolt.

8. A self-unhooking mechanism as claimed in claim 1, wherein: the elastic unit is located in the shell (1), and comprises a shrinkage spring (6), and two ends of the shrinkage spring (6) are respectively connected to the shell (1) and the lifting hook unit.

9. A self-unhooking mechanism as claimed in claim 8, wherein: the shell (1) is also internally connected with a fixed rod (11), and the contraction spring (6) is sleeved on the fixed rod (11).

10. A self-unhooking mechanism as claimed in claim 1, wherein: the limiting unit is also connected with an elastic sheet (5), the elastic sheet (5) is also connected with a blocking piece (51), and the blocking piece (51) is abutted against the opening of the lifting hook to seal.