CN215905700U

CN215905700U - Hoisting machinery lifting hook mousing-hook protection device

Info

Publication number: CN215905700U
Application number: CN202122493815.6U
Authority: CN
Inventors: 周剑; 李超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-25
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses an anti-unhooking protection device for a lifting hook of hoisting machinery, which comprises a hook body, wherein one end of the hook body is fixedly connected with a conical block, the other end of the hook body is fixedly connected with a connecting block, the side wall of the connecting block is provided with a mounting groove, a stop lever is arranged in the mounting groove, the side wall of the stop lever is fixedly connected with a rotating shaft, the stop lever is rotatably connected with two opposite sides of the mounting groove through the rotating shaft, and one end of the stop lever is fixedly connected with a lifting lug. The utility model can conveniently clamp the lifting rope into the lifting hook during lifting, can quickly lock the opening of the lifting hook, prevents the lifting rope from being separated from the lifting hook, can automatically lock the lifting hook of the lifting device, and prevents the occurrence of a towing hook accident during the lifting process.

Description

Hoisting machinery lifting hook mousing-hook protection device

Technical Field

The utility model relates to the technical field of crane lifting hooks, in particular to an anti-unhooking protection device for a lifting hook of hoisting machinery.

Background

The lifting hook is the most common lifting appliance in hoisting machinery, the lifting hook often hangs on hoisting mechanism's wire rope with the help of parts such as assembly pulley, the lifting hook divide into single hook and double hook according to the shape, single hook simple manufacture, high durability and convenient use, but the atress condition is not good, mostly be used in the work occasion that the lifting capacity is below 80 tons, then often adopt the double hook of atress symmetry when the lifting capacity is big, divide into forging lifting hook and lamination formula lifting hook according to manufacturing method, lamination formula lifting hook is riveted by several cutting fashioned steel sheet, whole lifting hook can not destroy when individual panel crackle appears, the security is better, but the dead weight is great, mostly be used in on the hoist of big lifting capacity or handling molten steel ladle, an elastic steel sheet is used for preventing the lifting rope from droing from the lifting hook in the installation of lifting hook usually, the lifting rope that binds on the goods is difficult for breaking away from with the lifting hook during messenger's hoist and mount operation.

At present, though installed the iron sheet that the end takes off on traditional single-hook lifting hook, the intensity of iron sheet is lower, only can prevent the lifting rope that binds before lifting by crane not break away from with the lifting hook, then can't play the effect of protection at the handling in-process to the iron sheet of installing at the lifting hook opening part can block thicker lifting rope and enters into the crotch department of lifting hook, and is very inconvenient during the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the traditional unhooking-prevention protection device in the prior art can only prevent a bound lifting rope from being separated from a lifting hook before lifting, cannot play a protection role in the lifting process, and an iron sheet arranged at the opening of the lifting hook can block a thicker lifting rope from entering the hook of the lifting hook, so that the unhooking-prevention protection device for the lifting hook of the hoisting machinery is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a hoisting machinery lifting hook mousing-hook protection device, includes the coupler body, the one end fixedly connected with toper piece of coupler body, the other end fixedly connected with connecting block of coupler body, the mounting groove has been seted up to the lateral wall of connecting block, be equipped with the pin in the mounting groove, the lateral wall fixedly connected with pivot of pin, the pin is rotated through the pivot and the relative both sides of mounting groove and is connected, the one end fixedly connected with lug of pin.

Preferably, one side fixedly connected with rectangle frame of coupler body, rotate through the through-hole in the rectangle frame and be connected with the location axle, the lateral wall fixedly connected with bracing piece of location axle, and the bracing piece is located the rectangle frame, the one end of location axle extends to outside the rectangle frame and fixedly connected with brake lever, the lateral wall fixedly connected with brake pads of pin, the lower extreme of brake pads and the upper end contact of bracing piece.

Preferably, the lower end of the brake block is fixedly connected with a limiting block, the limiting block is in contact with the rod wall of the support rod, and the inner side of the rectangular frame is fixedly connected with a positioning block.

Preferably, a shaft pin is fixedly connected in the mounting groove and located above the stop lever, a torsion spring is sleeved on the side wall of the shaft pin, one end of the torsion spring is connected with the lever wall of the stop lever in a sliding manner, the other end of the torsion spring is connected with a connecting strip in a sliding manner, and the connecting strip is fixedly connected with the side wall of the connecting block.

Preferably, a positioning groove is formed in the rod wall of the stop lever, and the rod wall of the stop lever is clamped with the conical block through the positioning groove.

Compared with the prior art, the utility model provides an anti-unhooking protection device for a lifting hook of hoisting machinery, which has the following beneficial effects:

1. this lifting machinery lifting hook mousing-hook protection device, through the brake lever that is equipped with, presses the brake lever with the hand, and the brake lever atress drives the pivot and rotates, drives the bracing piece swing when the pivot rotates, and the bracing piece contacts with the braking piece during the swing, and the bracing piece stops the swing after contacting with the stopper, and the bracing piece can support the braking piece this moment and make the pin atress, and the pin atress swing utilizes constant head tank and toper piece joint, prevents to connect the rope that ties up of goods and the coupler body breaks away from.

2. This hoisting machinery lifting hook mousing-hook protection device, through the pin toper piece that is equipped with, drive the pin when the lug atress and swing around the pivot, the coupler body also swings around the pivot when receiving the gravity of goods, and then makes and takes place the cross swing between pin and the connecting block, make the depression bar receive the ascending pulling force of hoisting machinery and make and compress tightly the toper piece on the coupler body by oneself, and then can play the guard action at the jack-up in-process, make the difficult emergence unhook phenomenon of hoist and mount in-process.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the lifting rope can be conveniently clamped into the lifting hook during lifting, the opening of the lifting hook can be quickly locked, the lifting rope is prevented from being separated from the lifting hook, and meanwhile, the lifting hook can also be automatically locked in the lifting device, so that a towing hook accident is prevented from occurring in the lifting process.

Drawings

Fig. 1 is a schematic structural diagram of an anti-unhooking protection device for a lifting hook of a hoisting machine according to the present invention;

FIG. 2 is a partial cross-sectional view of a pressure lever and a hook of the unhooking prevention protection device for a lifting hook of a hoisting machine according to the present invention;

fig. 3 is a schematic structural diagram of the pressure lever in fig. 2 of the anti-unhooking protection device for a lifting hook of a hoisting machine according to the present invention.

In the figure: 1. a hook body; 2. a brake lever; 3. a shaft pin; 4. a rectangular frame; 5. a limiting block; 6. A support bar; 7. a brake pad; 8. lifting lugs; 9. a connecting strip; 10. a shaft pin; 11. a rotating shaft; 12. A stop lever; 13. a conical block; 14. positioning blocks; 15. connecting blocks; 16. mounting grooves; 17. a torsion spring; 18. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an unhooking prevention protection device for a lifting hook of a hoisting machine comprises a hook body 1, one end of the hook body 1 is fixedly connected with a conical block 13, the other end of the hook body 1 is fixedly connected with a connecting block 15, the side wall of the connecting block 15 is provided with a mounting groove 16, a stop lever 12 is arranged in the mounting groove 16, the side wall of the stop lever 12 is fixedly connected with a rotating shaft 11, the stop lever 12 is rotatably connected with two opposite sides of the mounting groove 16 through the rotating shaft 11, one end of the stop lever 12 is fixedly connected with a lifting lug 8, the rod wall of the stop lever 12 is provided with a positioning groove 18, the rod wall of the stop lever 12 is clamped with the conical block 13 through the positioning groove 18, a shaft pin 10 is fixedly connected in the mounting groove 16, the shaft pin 10 is positioned above the stop lever 12, the side wall of the shaft pin 10 is sleeved with a torsion spring 17, one end of the torsion spring 17 is slidably connected with the rod wall of the stop lever 12, the other end of the torsion spring 17 is slidably connected with a connecting strip 9, lateral wall fixed connection of connecting strip 9 and connecting block 15, one side fixedly connected with rectangle frame 4 of coupler body 1, rotate through the through-hole in the rectangle frame 4 and be connected with location axle 3, the lateral wall fixedly connected with bracing piece 6 of location axle 3, and bracing piece 6 is located rectangle frame 4, the one end of location axle 3 extends to rectangle frame 4 outer and fixedly connected with brake lever 2, the lateral wall fixedly connected with brake block 7 of pin 12, the lower extreme of brake block 7 and the upper end contact of bracing piece 6, the lower extreme fixedly connected with stopper 5 of brake block 7, stopper 5 and the pole wall contact of bracing piece 6, the inboard fixedly connected with locating piece 14 of rectangle frame 4.

In the utility model, when in use, the lifting lug 8 is bound on a steel wire rope of hoisting equipment, at the same time, two ends of a torsion spring 17 respectively push a stop lever 12 and a connecting strip 9, the connecting strip 9 drives a connecting block 15 to make a hook body 1 swing when stressed, the stop lever 12 is separated from a conical block 13 on the hook body 1 when stressed, so that a goods binding rope is conveniently placed at the bending part of the hook body 1, after the goods binding rope is placed, a brake lever 2 is pressed by hands, the brake lever 2 is stressed to drive a shaft pin 3 to rotate, the shaft pin 3 drives a support rod 6 to swing when rotating, the support rod 6 is contacted with a brake block 7 when swinging, the support rod 6 is stopped swinging after being contacted with a limiting block 5, at the moment, the support rod 6 can support the brake block 7 to make the stop lever 12 stressed, the stop lever 12 is clamped with the conical block 13 by utilizing a positioning groove 18 to swing the stop lever 12, the goods binding rope is prevented from being separated from the hook body 1, and the stop lever 12 swinging around a rotating shaft 11 when the lifting lug 8 is stressed, hook 1 also swings around pivot 11 when receiving the gravity of goods, and then makes and takes place alternately swing between pin 12 and the connecting block 15 for depression bar 12 receives the ascending pulling force of jack-up machinery and makes and can compress tightly conical block 13 on the hook 1 by oneself, and then can play the guard action at the jack-up in-process, makes the difficult unhook phenomenon that takes place of hoist and mount in-process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a hoisting machinery lifting hook mousing-hook protection device, includes coupler body (1), its characterized in that, one end fixedly connected with toper piece (13) of coupler body (1), the other end fixedly connected with connecting block (15) of coupler body (1), mounting groove (16) have been seted up to the lateral wall of connecting block (15), be equipped with pin (12) in mounting groove (16), the lateral wall fixedly connected with pivot (11) of pin (12), pin (12) are rotated through pivot (11) and the both sides that mounting groove (16) are relative and are connected, the one end fixedly connected with lug (8) of pin (12).

2. The lifting hook unhooking prevention protection device for lifting machinery as claimed in claim 1, wherein a rectangular frame (4) is fixedly connected to one side of the hook body (1), a positioning shaft (3) is rotatably connected to the rectangular frame (4) through a through hole, a support rod (6) is fixedly connected to a side wall of the positioning shaft (3), the support rod (6) is located in the rectangular frame (4), one end of the positioning shaft (3) extends out of the rectangular frame (4) and is fixedly connected with the brake rod (2), a brake block (7) is fixedly connected to a side wall of the stop rod (12), and a lower end of the brake block (7) is in contact with an upper end of the support rod (6).

3. The unhooking prevention protection device for the lifting hook of the hoisting machinery as claimed in claim 2, wherein a stop block (5) is fixedly connected to the lower end of the brake block (7), the stop block (5) is in contact with the rod wall of the support rod (6), and a positioning block (14) is fixedly connected to the inner side of the rectangular frame (4).

4. The lifting hook unhooking prevention protection device for the hoisting machinery as claimed in claim 1, wherein a shaft pin (10) is fixedly connected in the installation groove (16), the shaft pin (10) is located above the stop lever (12), a torsion spring (17) is sleeved on a side wall of the shaft pin (10), one end of the torsion spring (17) is slidably connected with a lever wall of the stop lever (12), the other end of the torsion spring (17) is slidably connected with a connecting strip (9), and the connecting strip (9) is fixedly connected with a side wall of the connecting block (15).

5. The protection device for preventing the unhooking of the lifting hook of the hoisting machinery as claimed in claim 1, wherein the wall of the blocking rod (12) is provided with a positioning groove (18), and the wall of the blocking rod (12) is clamped with the conical block (13) through the positioning groove (18).