CN214828376U

CN214828376U - Crane hook with balancing device

Info

Publication number: CN214828376U
Application number: CN202122245062.7U
Authority: CN
Inventors: 于超; 王港石
Original assignee: Xinjiang Haiwan Hoisting Engineering Co ltd
Current assignee: Xinjiang Haiwan Hoisting Engineering Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2021-11-23
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a crane hook with a balancing device, which comprises a cylindrical installation box, wherein a main shaft is rotatably connected between the middle parts of the upper and lower inner surfaces of the cylindrical installation box, the lower part of the inner side wall of a cylindrical groove is slidably connected with a bearing column, a spring is arranged between the inner upper surface of the cylindrical groove and the upper surface of the bearing column, the lower end of the bearing column is fixedly connected with a hook, the opposite ends of two sliders are fixedly connected with the inner surface of a gear, the opposite ends of the two sliders are fixedly connected with the outer surface of the bearing column, the inner surface of an annular limiting groove is uniformly provided with convex teeth matched with the gear latches, the hook can flexibly adjust the position, is convenient for hanging and connecting heavy objects at different positions, can limit the rotation of the main shaft under the action of the gravity of the heavy objects after being lifted, and limits the rotation of the hook, the heavy object is more stable in the hoisting process.

Description

Crane hook with balancing device

Technical Field

The utility model relates to a lifting hook technical field, concrete field is a take balancing unit's crane hook.

Background

A hook is a common lifting tool in a hoisting machine, and is often suspended on a steel wire rope of a hoisting mechanism by means of a pulley block and the like, and is used for carrying heavy objects. The lifting hook of using at present is simple structure usually, the lifting hook generally with pulley unit fixed connection, if need hang the equidirectional heavy object, the adjustment is comparatively inconvenient, staff's trouble has been increased, when hanging the heavy object simultaneously, in order to avoid the lifting hook operation in-process often to receive the impact to make the lifting hook rotate, the heavy object is unstable and object bumps on every side, also need restrict the rotation of lifting hook, in order to guarantee that the heavy object is more steady goes up and down, in order to make things convenient for nimble adjustment and spacing of lifting hook, we provide a take balancing unit's crane lifting hook.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take balancing unit's crane hook to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crane hook with a balancing device comprises a cylindrical installation box, wherein a main shaft is rotatably connected between the middle parts of the upper inner surface and the lower inner surface of the cylindrical installation box, the lower end of the main shaft penetrates through the lower side wall of the cylindrical installation box, a balancing plate is arranged on the upper side wall of the cylindrical installation box, a mounting groove is arranged in the middle part of the upper surface of the balancing plate, a pulley mechanism is arranged in the mounting groove, a cylindrical groove is arranged in the middle part of the lower surface of the main shaft, a bearing column is slidably connected to the lower part of the inner side wall of the cylindrical groove, a spring is arranged between the inner upper surface of the cylindrical groove and the upper surface of the bearing column, a hook is fixedly connected to the lower end of the bearing column, through chutes are formed in the lower parts of the left side wall and the right side wall of the main shaft, sliding blocks are slidably connected in the two chutes, a gear is slidably connected to the lower part of the outer surface of the main shaft, and one ends, opposite to the two sliding blocks, are fixedly connected to the inner surface of the gear, two the opposite one end of slider all with the surface fixed connection of bearing post, the interior lower surface of cylindricality install bin is equipped with annular spacing groove, the internal surface in annular spacing groove evenly is equipped with the cooperation the dogtooth that gear latch used.

Preferably, the surface upside bilateral symmetry of cylindricality install bin is equipped with the cover case, two all be equipped with the pneumatic cylinder on the internal surface that the cover case faces mutually, two the flexible end of pneumatic cylinder all runs through the lateral wall fixedly connected with arc roof of cylindricality install bin, the surface of cylindricality install bin is equipped with the controller, the pneumatic cylinder with controller electric connection.

Preferably, the two arc-shaped top plates are provided with anti-slip pads on the facing surfaces.

Preferably, first inclined supporting rods are uniformly arranged between the lower surface of the balance plate and the outer surface of the cylindrical installation box.

Preferably, the upper surface of the balance plate and the outer surface of the mounting groove are uniformly provided with two inclined support rods.

Preferably, the root and the hook tip of the lifting hook are both provided with through holes.

Compared with the prior art, the beneficial effects of the utility model are that: a main shaft is rotationally connected with the crane hook with a balancing device through a cylindrical installation box, a cylindrical groove is arranged on the lower surface of the main shaft, a bearing column is connected with the cylindrical groove in a sliding mode, a spring is arranged between the cylindrical groove and the bearing column, a hook is arranged at the lower end of the bearing column, a sliding block is connected with the sliding groove in the side wall of the main shaft in a sliding mode, the bearing column is connected with a gear on the outer side of the main shaft through the sliding block, a latch on the gear is matched with a convex tooth in an annular limiting groove on the lower side for use, can facilitate the flexible position adjustment of the lifting hook, facilitate the suspension connection of weights at different positions, and limit the rotation of the main shaft under the action of the gravity of the weight after the lifting, so as to limit the rotation of the lifting hook and ensure that the weight is more stable in the lifting process, evenly be equipped with slope vaulting pole two between balance plate upper surface and the mounting groove, evenly be equipped with slope vaulting pole one between balance plate lower surface and the cylindricality install bin, can make the equilibrium stability of this lifting hook operation in-process better.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a front sectional view of the cylindrical mounting case of the present invention;

fig. 5 is a perspective view of the spindle of the present invention.

In the figure: 1-cylindrical installation box, 2-main shaft, 3-balance plate, 4-installation groove, 5-pulley mechanism, 6-cylindrical groove, 7-bearing column, 8-spring, 9-sliding groove, 10-sliding block, 11-gear, 12-annular limiting groove, 13-convex tooth, 14-cover box, 15-hydraulic cylinder, 16-arc top plate, 17-controller, 18-anti-slip pad, 19-inclined strut I, 20-inclined strut II, 21-lifting hook and 22-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a crane hook with a balancing device comprises a cylindrical installation box 1, wherein a main shaft 2 is rotatably connected between the middle parts of the upper inner surface and the lower inner surface of the cylindrical installation box 1, the lower end of the main shaft 2 penetrates through the lower side wall of the cylindrical installation box 1, a balancing plate 3 is arranged on the upper side wall of the cylindrical installation box 1, an installation groove 4 is arranged in the middle part of the upper surface of the balancing plate 3, a pulley mechanism 5 is arranged inside the installation groove 4, the pulley mechanism 5 is connected with a steel wire rope on a crane boom, the hook 21 is conveniently pulled upwards, a cylindrical groove 6 is arranged in the middle part of the lower surface of the main shaft 2, a bearing column 7 is slidably connected to the lower part of the inner side wall of the cylindrical groove 6, the bearing column 7 can slide up and down, a spring 8 is arranged between the inner upper surface of the cylindrical groove 6 and the upper surface of the bearing column 7, and the lower end of the bearing column 7 is fixedly connected with the hook 21, when a heavy object is hung on the lifting hook 21, the bearing column 7 is subjected to downward gravity, the bearing column 7 slides downwards and stretches the spring 8, when the lifting hook 21 is not hung with the heavy object, the spring 8 resets to pull back the bearing column 7 upwards, the lower parts of the left side wall and the right side wall of the main shaft 2 are respectively provided with a through sliding groove 9, the two sliding grooves 9 are respectively connected with a sliding block 10 in a sliding way, the lower part of the outer surface of the main shaft 2 is connected with a gear 11 in a sliding way, the opposite ends of the two sliding blocks 10 are respectively fixedly connected with the inner surface of the gear 11, the opposite ends of the two sliding blocks 10 are respectively fixedly connected with the outer surface of the bearing column 7, the inner lower surface of the cylindrical mounting box 1 is provided with an annular limiting groove 12, the inner surface of the annular limiting groove 12 is uniformly provided with convex teeth 13 matched with the clamping teeth of the gear 11, when the bearing column 7 slides downwards, the sliding blocks 10 on the two sides drive the gear 11 to slide downwards along the sliding grooves 9, and make gear 11 slide into the annular spacing groove 12, the latch of the outer surface of gear 11 is blocked between the convex teeth 13 of the inner surface of annular spacing groove 12 respectively, make gear 11 spacing, gear 11 restriction rotation can restrict the spindle 2 to rotate at the same time, make the spindle 2 lock automatically when lifting heavy object, and then avoid the rotation of the lifting hook 21 in the course of lifting by crane, help to keep the stability that the heavy object lifts by crane, when accepting the post 7 does not receive gravity, accept the post 7 and slide upward, make gear 11 separate with annular spacing groove 12, and then make the spindle 2 unrestricted position can rotate, make the lifting hook 21 can rotate flexibly, make things convenient for the lifting hook 21 to rotate to the position of the heavy object, make things convenient for the hanging of the heavy object to put.

Specifically, the upper side of the outer surface of the cylindrical installation box 1 is bilaterally symmetrically provided with cover boxes 14, two hydraulic cylinders 15 are arranged on the inner surfaces of the cover boxes 14 facing each other, the telescopic ends of the hydraulic cylinders 15 penetrate through the side wall of the cylindrical installation box 1 and are fixedly connected with an arc-shaped top plate 16, a controller 17 is arranged on the outer surface of the cylindrical installation box 1, a worker can remotely control the controller 17 through a remote control device, the hydraulic cylinders 15 are electrically connected with the controller 17, the hydraulic cylinders 15 are controlled to stretch through the controller 17 after heavy objects are lifted, the hydraulic cylinders 15 can push the arc-shaped top plate 16 to the side wall of the main shaft 2 to compress the main shaft 2, and further the rotation limiting effect of the main shaft 2 is better.

Specifically, two the arc roof 16 all is equipped with slipmat 18 on the surface that faces mutually, and slipmat 18 increases the frictional force between arc roof 16 and the main shaft 2, has both helped main shaft 2's protection, makes main shaft 2 restriction effect better again.

Specifically, inclined support rods 19 are uniformly arranged between the lower surface of the balance plate 3 and the outer surface of the cylindrical installation box 1, so that the balance and the stability of the mechanism are improved.

Specifically, the upper surface of the balance plate 3 and the outer surface of the mounting groove 4 are uniformly provided with two inclined support rods 20, so that the balance and stability of the mechanism are improved.

Particularly, the root and the hook point of lifting hook 21 all are equipped with through-hole 22, conveniently pass the buckle or connect the rope through the through-hole 22 of both sides, seal lifting hook 21's opening position, prevent that the heavy object from droing.

The working principle is as follows: when the lifting hook 21 of the utility model is not bearing, the bearing post 7 can not slide downwards, the spring 8 can not be stretched downwards, the gear 11 on the main shaft 2 is separated from the annular limiting groove 12, the gear 11 is not limited, the rotation of the main shaft 2 is convenient, the direction of the lifting hook 21 on the lower side can be flexibly adjusted according to the position of the heavy object, the heavy object can be conveniently hung, after the heavy object is lifted, the bearing post 7 is subjected to the downward gravity of the heavy object, the bearing post 7 slides downwards to stretch the spring 8, the slider 10 drives the gear 11 to slide downwards and is clamped into the annular limiting groove 12, the latch of the gear 11 is clamped between the convex teeth 13, the gear 11 is limited, the main shaft 2 is further subjected to the clamping and can not rotate, the position of the lifting hook 21 is fixed, the lifting hook 21 is prevented from rotating in the air, the stability of lifting of the heavy object is influenced, and the expansion and contraction of the hydraulic cylinder 15 can be controlled by the controller 17, the arc-shaped top plate 16 can press the main shaft 2 to limit the rotation, make the spacing effect of main shaft 2 better, the bracing piece two 20 and the bracing piece 19 that inclines that the both sides were equipped with about the balance plate 3 moreover, better keep balance and stability when homoenergetic made this lifting hook 21 lift by crane.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take balancing unit's crane hook, includes cylindricality install bin (1), its characterized in that: a main shaft (2) is rotatably connected between the middle parts of the upper inner surface and the lower inner surface of the cylindrical installation box (1), the lower end of the main shaft (2) penetrates through the lower side wall of the cylindrical installation box (1), a balance plate (3) is arranged on the upper side wall of the cylindrical installation box (1), an installation groove (4) is arranged in the middle part of the upper surface of the balance plate (3), a pulley mechanism (5) is arranged inside the installation groove (4), a cylindrical groove (6) is arranged in the middle part of the lower surface of the main shaft (2), a bearing column (7) is slidably connected to the lower part of the inner side wall of the cylindrical groove (6), a spring (8) is arranged between the inner upper surface of the cylindrical groove (6) and the upper surface of the bearing column (7), a lifting hook (21) is fixedly connected to the lower end of the bearing column (7), and through sliding grooves (9) are arranged on the lower parts of the left side wall and the right side wall of the main shaft (2), two equal sliding connection has slider (10) in spout (9), the surface lower part sliding connection of main shaft (2) has gear (11), two slider (10) back of the body one end mutually all with the internal surface fixed connection of gear (11), two slider (10) one end that faces mutually all with the external surface fixed connection of bearing post (7), the interior lower surface of cylindricality install bin (1) is equipped with annular spacing groove (12), the internal surface of annular spacing groove (12) evenly is equipped with the cooperation protruding tooth (13) that gear (11) latch used.

2. A crane hook with a balancing device as claimed in claim 1, wherein: the utility model discloses a cylindrical installation case, including the surface of cylindricality install bin (1), the surface upside bilateral symmetry of cylindricality install bin (1) is equipped with cover case (14), two all be equipped with pneumatic cylinder (15) on cover case (14) the internal surface that faces mutually, two the flexible end of pneumatic cylinder (15) all runs through the lateral wall fixedly connected with arc roof (16) of cylindricality install bin (1), the surface of cylindricality install bin (1) is equipped with controller (17), pneumatic cylinder (15) with controller (17) electric connection.

3. A crane hook with a balancing device as claimed in claim 2, wherein: and anti-skid pads (18) are arranged on the opposite surfaces of the two arc-shaped top plates (16).

4. A crane hook with a balancing device as claimed in claim 1, wherein: and first inclined support rods (19) are uniformly arranged between the lower surface of the balance plate (3) and the outer surface of the cylindrical installation box (1).

5. A crane hook with a balancing device as claimed in claim 4, wherein: and a second inclined supporting rod (20) is uniformly arranged on the upper surface of the balance plate (3) and the outer surface of the mounting groove (4).

6. A crane hook with a balancing device as claimed in claim 1, wherein: the root part and the hook tip of the lifting hook (21) are both provided with through holes (22).