CN219116963U - Lifting hook device for hoisting battery pack - Google Patents

Abstract

The utility model discloses a lifting hook device for lifting a battery pack, which comprises a lifting hook for hooking a battery pack bracket lug, wherein the cross section of the lifting hook perpendicular to the X axis direction is U-shaped, a U-shaped groove is formed in the lifting hook, the projection of the lifting hook perpendicular to the Y axis direction is rectangular, the top surface of the lifting hook is connected with a lifting ring, the lifting hook is provided with a pin hole, the pin hole penetrates through the top surface, the bottom surface and the U-shaped groove area, and a fixing pin is inserted into the pin hole. According to the utility model, the contact area of the lifting hook and the bracket lug is increased, so that when the bracket lug is stressed, the stress is dispersed, the bracket lug is not easy to deform, meanwhile, the lifting hook is provided with the pin hole, the lifting hook is conveniently opened/closed through the pin hole inserted by the fixing pin, and the lifting hook is easily separated from the bracket lug, so that the hooking operation is convenient.

Description

Lifting hook device for hoisting battery pack

Technical Field

The utility model relates to the technical field of battery production, in particular to a lifting hook device for lifting a battery pack.

Background

The battery pack is assembled by a plurality of batteries, the total weight of the battery pack of the new energy automobile exceeds 355KG, the battery pack cannot be manually carried after the battery pack is assembled and tested, and the battery pack is required to be placed in the bracket and lifted by the lifting appliance.

The bracket of battery package has a plurality of bracket ears, and the hanging hole has been seted up to the bracket ear for the hook, and current lifting hook structure is many as shown in fig. 1, utilizes the lifting hook to hook bracket ear hanging hole, utilizes the aerial lifting to hoist lifting hook, removes the battery package bracket, and its main problem that exists has: 1. the bracket lugs are concentrated in stress and are easy to deform after being hooked by the lifting hooks, so that the subsequent use is affected; 2. the lifting hook is easy to be clamped into the hanging hole of the bracket lug, so that the lifting hook is difficult to separate from the hanging hole; 3. the hasp of the hook is inconvenient to open, and the hooking operation is affected.

Disclosure of Invention

The utility model aims to provide a lifting hook device for lifting a battery pack, which solves the problems that when a lifting hook hooks a bracket lug, the bracket lug is concentrated in stress, the bracket lug is easy to deform to influence the subsequent use, and the lifting hook is not easy to separate from the bracket lug to influence the hooking operation.

The aim of the utility model can be achieved by the following technical scheme: a hook assembly for battery package hoist and mount, including the lifting hook that is used for hooking battery package bracket ear, its characterized in that: the lifting hook is perpendicular X axis direction cross-section and is the U type, the inside U type groove that forms of lifting hook, the projection of the perpendicular Y axis direction of lifting hook is the rectangle, the lifting hook top surface is connected with rings, the pinhole has been seted up to the lifting hook, the pinhole runs through top surface, bottom surface and U type groove region, the pinhole peg graft there is the fixed pin.

As still further aspects of the utility model: the top surface of the lifting hook is connected with a ring seat, and the lifting ring rotates to be connected with the ring seat.

As still further aspects of the utility model: the fixing pin comprises a pin head and a pin column, the pin head is connected with the pin column, a through hole is formed in one end of the protruding top surface of the pin column, and the pin column is connected with a pull ring through the through hole.

As still further aspects of the utility model: a countersunk hole is formed at the position, close to the top surface, of the pin hole; when the pull ring pulls the fixed pin, the pin head sinks into the countersunk hole.

As still further aspects of the utility model: the side wall of the lifting hook, which is positioned at the opening of the U-shaped groove, is provided with a smooth chamfer surface.

As still further aspects of the utility model: smooth chamfer faces are formed on the upper edge and the lower edge of the side wall of the pin head.

The utility model has the beneficial effects that:

according to the utility model, the contact area of the lifting hook and the bracket lug is increased, so that when the bracket lug is stressed, the stress is dispersed, the bracket lug is not easy to deform, meanwhile, the lifting hook is provided with the pin hole, the lifting hook is conveniently opened/closed through the pin hole inserted by the fixing pin, and the lifting hook is easily separated from the bracket lug, so that the hooking operation is convenient.

Drawings

FIG. 1 is a schematic view of a prior art hook construction;

FIG. 2 is a schematic view of a hook assembly for hanging a battery pack according to the present utility model;

FIG. 3 is a schematic view of the structure of the hook and loop base of the present utility model;

FIG. 4 is a front view of the hook and loop seat of FIG. 2;

FIG. 5 is a schematic cross-sectional view of the present utility model;

FIG. 6 is a schematic view of the structure of the bracket ear according to the present utility model;

fig. 7 is a schematic structural view of a fixing pin according to the present utility model.

A. A bracket ear; a1, hanging holes;

10. a lifting hook; 11. a pin hole; 12. a countersunk hole; 13. a top surface; 14. a bottom surface; 15. a U-shaped groove; 20. a hanging ring; 30. a fixing pin; 31. a pin head; 32. a pin; 321. a through hole; 40. a ring seat; 41. a shaft hole; 42. a connecting shaft; 50. a pull ring; 60. chamfer surface.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

As shown in fig. 2-5, the utility model discloses a lifting hook device for lifting a battery pack, which comprises a lifting hook 10 for hooking a battery pack bracket buckle, wherein the cross section of the lifting hook 10 in the vertical X-axis direction is U-shaped, the X-axis direction and the Y-axis direction are as shown in fig. 4, a U-shaped groove 15 is formed in the lifting hook 10, the projection of the lifting hook 10 in the vertical Y-axis direction is rectangular, the top surface 13 of the lifting hook 10 is connected with a lifting ring 20, the lifting hook 10 is provided with a pin hole 11, the pin hole 11 penetrates through the top surface 13, the bottom surface 14 and the U-shaped groove 15 area, and a fixing pin 30 is inserted into the pin hole 11.

When the battery pack bracket is required to be hoisted, a corresponding number of hanging ring 20 devices are prepared corresponding to the number of the bracket lugs A, the fixing pins 30 are pulled, the hanging hooks 10 are opened, the bracket lugs A are horizontally arranged in the U-shaped grooves 15, the hanging holes A1 of the bracket lugs A are aligned with the pin holes 11 of the hanging hooks 10, the fixing pins 30 are put down, the hanging hooks 10 are closed, the hanging rings 20 are connected by using a steel wire rope or other hanging tools, the hanging hooks 10 are hoisted by using aerial hanging, and then the battery pack bracket is moved. After the battery pack is hoisted in place, reverse operation is adopted, the hanging hook 10 is removed from the battery pack bracket, and the next operation is carried out.

According to the utility model, the U-shaped groove 15 is formed in the middle of the lifting hook 10, when the U-shaped groove 15 is in contact with the bracket lug A, the bracket lug A is stressed and dispersed through surface contact, the bracket lug A is not easy to deform, meanwhile, the lifting hook 10 is provided with the pin hole 11, the pin hole 11 is inserted and pulled out through the fixing pin 30, the lifting hook 10 is conveniently opened, the lifting hook 10 is easily separated from the bracket lug A, and the hanging operation is convenient.

Further, the top surface 13 of the lifting hook 10 is connected with a ring seat 40, and the lifting ring 20 is rotatably connected with the ring seat 40. The hanging ring 20 rotates the connecting ring seat 40, so that the hanging hook 10 and the hanging ring 20 keep a reasonable stress angle, the adjustment of the contact surface of the hanging hook 10 and the bracket lug A is facilitated, and the contact area is increased. The lifting ring 20 is rotationally connected with the ring seat 40, and the lifting ring 20 and the ring seat 40 can be rotationally connected by arranging corresponding shaft holes 41 on the lifting ring 20 and the ring seat 40 and inserting the connecting shaft 42 into the shaft holes 41.

Further, the fixing pin 30 includes a pin head 31 and a pin post 32, the pin head 31 is connected with the pin post 32, a through hole 321 is formed at one end of the pin post 32 protruding out of the top surface 13, and the pin post 32 is connected with the pull ring 50 through the through hole 321. The fixing pin 30 is conveniently pulled by the pull ring 50, and the fixing pin 30 can be prevented from falling along the pin hole 11 when the hook is closed by the pull ring 50.

Preferably, the pin head 31 and the pin post 32 are integrally formed, increasing the strength of the fixing pin 30.

Further, a counter bore 12 is formed at the position of the pin hole 11 close to the top surface 13; when the pull ring 50 pulls the fixing pin 30, the pin head 31 is sunk into the counterbore 12. The counter bore 12 is provided, so that the fixed pin 30 is prevented from being separated from the pin hole 11 when the fixed pin 30 is pulled to open the hook, the inconvenience that the fixed pin 30 needs to be reinstalled every time is caused, the pin head 31 is sunk into the counter bore 12, and the bracket lug A is placed into the U-shaped groove 15 and is not blocked.

As shown in fig. 5, the fixing pin 30 and the pin hole 11 may have the following dimensions, the diameter of the head 31 of the fixing pin 30 is 11mm, and the diameter of the stud 32 is 9mm; the counter bore 12 is close to the top surface 13 and has a bore diameter of 9.5mm, the bore diameter of 12mm close to the U-shaped groove 15, the counter bore 12 plays a limiting role in the upward movement process of the fixing pin 30, the fixing pin 30 cannot be pulled out, and the operation is simple and convenient.

Further, the side wall of the hook 10 at the opening of the U-shaped groove 15 is provided with a smooth chamfer 60. When the smooth chamfer 60 is arranged to facilitate the bracket lug A to be placed into the U-shaped groove 15, the bracket lug A is not easy to be blocked by the edge of the side wall of the lifting hook 10, and the connection efficiency of the lifting hook 10 and the bracket lug A is affected.

Further, the upper edge and the lower edge of the side wall of the pin head 31 are provided with smooth chamfer surfaces 60. When the fixing pin 30 is conveniently pulled out or inserted into the pin hole 11, the fixing pin 30 is not easy to be blocked by the edge of the pin hole 11, and the insertion connection between the fixing pin 30 and the pin hole 11 is affected.

The principle of the utility model is as follows: the utility model discloses a lifting hook device for lifting a battery pack, which is characterized in that a fixing pin 30 is upwards moved by upwards lifting a pull ring 50 when the lifting hook device is used, a lifting hook 10 is clamped into a battery pack bracket lug A, a bracket lug A lifting hole A1 and a lifting hook 10 pin hole 11 are aligned, the fixing pin 30 is downwards moved and fixed, and then a steel wire rope connected through a navigation crane is buckled into a lifting ring 20 to lift the battery pack.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the 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" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Claims (6)

1. A hook assembly for battery pack lifting, comprising a hook (10) for hooking a battery pack bracket ear (a), characterized in that: the utility model discloses a lifting hook, including lifting hook (10), fixed pin (30) are inserted in top surface (13), bottom surface (14) and U type groove (15) are run through to lifting hook (10) perpendicular X axis direction cross-section, U type groove (15) are formed to lifting hook (10), the projection of lifting hook (10) perpendicular Y axis direction is the rectangle, lifting hook (10) top surface (13) are connected with rings (20), pinhole (11) have been seted up to lifting hook (10), pinhole (11) run through top surface (13), bottom surface (14) and U type groove (15) region, peg graft in pinhole (11).

2. A hook assembly for use in lifting a battery pack according to claim 1, wherein: the lifting hook (10) top surface (13) is connected with ring seat (40), rings (20) rotate and connect ring seat (40).

3. A hook assembly for use in lifting a battery pack according to claim 2, wherein: the fixing pin (30) comprises a pin head (31) and a pin column (32), the pin head (31) is connected with the pin column (32), a through hole (321) is formed in one end of the protruding top surface (13) of the pin column (32), and the pin column (32) is connected with a pull ring (50) through the through hole (321).

4. A hook assembly for lifting a battery pack according to claim 3, wherein: a counter sunk hole (12) is formed at the position, close to the top surface (13), of the pin hole (11); when the pull ring (50) pulls the fixing pin (30), the pin head (31) sinks into the countersunk hole (12).

5. A hook assembly for lifting a battery pack according to claim 3, wherein: smooth chamfer surfaces (60) are formed on the upper edge and the lower edge of the side wall of the pin head (31).

6. A hook assembly for use in lifting a battery pack according to claim 1, wherein: the side wall of the lifting hook (10) at the opening of the U-shaped groove (15) is provided with a smooth chamfer surface (60).

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