CN212387572U

CN212387572U - Unhooking prevention device of hoisting machinery

Info

Publication number: CN212387572U
Application number: CN202020747029.7U
Authority: CN
Inventors: 郑欣礼; 张宇
Original assignee: TIANJIN ANDASHUN LIFTING EQUIPMENT CO LTD
Current assignee: TIANJIN ANDASHUN LIFTING EQUIPMENT CO LTD
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-22
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to the technical field of crane mousing-hook, in particular to a mousing-hook device of crane machinery, which comprises a crane lifting hook, wherein the top of the crane lifting hook is fixedly connected with a connecting mechanism, a limit insert block is inserted at the top of the crane lifting hook, the side wall of the limit insert block is fixedly connected with an installation connecting block, the bottom of the installation connecting block is fixedly connected with a first rotating rack, the side wall of the crane lifting hook is rotatably connected with a rotating gear, the bottom of the limit insert block is fixedly connected with a limit plate, the bottom of the crane lifting hook is fixedly connected with a reset spring, the top of the reset spring is fixedly connected with a lower moving plate, the side wall of the lower moving plate is fixedly connected with a second rotating rack, the second rotating rack and the first rotating rack are rotatably connected with the rotating gear, and the problem that the lifting hook has a mousing-hook stop sheet when, the rope can be taken out from the hook only by manually pressing, which is very inconvenient.

Description

Unhooking prevention device of hoisting machinery

Technical Field

The utility model relates to a hoist mousing-hook technical field specifically is a hoisting machinery's mousing-hook device.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The main characteristics of the crane are: the traveling cab and the crane control cab are integrated into a whole and are formed by the evolution of a crawler crane (crawler crane), the crawler and the traveling support of a traveling mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages a road surface is overcome, the material handling machine belongs to material handling machinery, and the bridge crane is hoisting equipment which is transversely erected above a workshop, a warehouse and a stock yard to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

Among the prior art, a hoist lifting hook that a security performance is high that bulletin number is CN208037837U, including hoist lifting hook, hoist lifting hook's upside is connected with the lifting hook crossbeam, the both sides of lifting hook crossbeam all are connected with vertical stationary blade, the surface of vertical stationary blade is provided with the pilot lamp shell, the inside of pilot lamp shell is provided with the battery, the surface of pilot lamp shell is provided with colorful pilot lamp, there is the running block shell upside of vertical stationary blade through welded connection.

However, the above-mentioned device still has the following obvious defect in the using process, and the rope can be taken out from the hook only by manually pressing the hook because of the anti-unhooking blocking piece when the hook is taken down, which is very inconvenient.

Therefore, the utility model provides an anti-unhooking device of hoisting machinery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a jack-up mechanical mousing-hook device 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: the utility model provides a hoisting machinery's mousing-hook device, mentions the hook including the hoist, the hoist is mentioned hook top fixedly connected with coupling mechanism, the hoist is lifted the hook top and is inserted and be equipped with spacing inserted block, spacing inserted block lateral wall fixedly connected with erection joint piece, the first rack that rotates of erection joint piece bottom fixedly connected with, the hoist is mentioned the hook lateral wall and is rotated and be connected with the rotating gear, spacing inserted block bottom fixedly connected with limiting plate, bottom fixedly connected with reset spring in the hoist is lifted the hook, reset spring top fixedly connected with pushes down the movable plate, push down movable plate lateral wall fixedly connected with second and rotate the rack, first rotation rack are all rotated with the rotating gear and are connected to the second.

Preferably, the top of the limiting insertion block is fixedly connected with a sponge buffering strip, and the sponge buffering strip corresponds to the lifting hook of the crane.

Preferably, the side wall of the lifting hook of the crane is fixedly connected with an oil adding box, the bottom of the oil adding box is fixedly connected with an oil adding valve, and the oil adding valve is arranged at the top of the rotating gear.

Preferably, refuel box lateral wall fixedly connected with ya keli observation window, ya keli observation window extends to in the refuel box.

Preferably, the top of the limiting plate is fixedly connected with a buffer sheet, and the limiting insertion block penetrates through the buffer sheet.

Compared with the prior art, the beneficial effects of the utility model are that: when the lifting hook is used, a rope is placed into the downward pressing movable plate, when the lifting hook is hooked, the downward pressing movable plate is lowered by weight, the downward pressing movable plate drives the rotating gear to rotate, the first rotating rack is lifted, the limiting insert block is lifted, the closing of the lifting hook of the crane is completed, the rope in the lifting hook of the crane is prevented from being separated, the problem that the rope can be taken out of the hook only by manually pressing the anti-disengaging stop sheet when the lifting hook is taken off is solved, the problem is very inconvenient, the lubricating oil can be conveniently filled into the rotating gear by arranging the sponge buffer strip and preventing the limiting insert block from impacting the top part in the lifting hook of the crane, the lubricating oil can be conveniently filled into the rotating gear by arranging the oil filling box and the oil filling valve, the lubricating oil level in the oil filling box can be conveniently observed by arranging the acrylic observation window, the lubricating oil can be prevented from impacting the bottom part of, is very worthy of popularization.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

fig. 2 is a schematic side structure view of the present invention;

fig. 3 is a schematic bottom structure diagram of the present invention.

In the figure: 1. lifting the hook by the crane; 2. limiting the inserting block; 3. a limiting plate; 4. a rotating gear; 5. a second rotating rack; 6. pressing the moving plate downwards; 7. a return spring; 8. a sponge buffer strip; 9. an oil adding box; 10. an oil filling valve; 11. an acrylic observation window; 12. a connecting mechanism; 13. a buffer sheet; 14. installing a connecting block; 15. first rotating rack

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 to 3, the present invention provides a technical solution:

an anti-unhooking device of a hoisting machine comprises a crane lifting hook 1, wherein the top of the crane lifting hook 1 is fixedly connected with a connecting mechanism 12 and is used for being connected with a rope of a crane, a limiting insert block 2 is inserted at the top of the crane lifting hook 1 and is used for sealing the crane lifting hook 1, the side wall of the limiting insert block 2 is fixedly connected with an installation connecting block 14, the bottom of the installation connecting block 14 is fixedly connected with a first rotating rack 15, the side wall of the crane lifting hook 1 is rotatably connected with a rotating gear 4 and is used for driving the limiting insert block 2 to ascend and descend, the bottom of the limiting insert block 2 is fixedly connected with a limiting plate 3, the bottom in the crane lifting hook 1 is fixedly connected with a reset spring 7, so that a downward moving plate 6 can be automatically lifted after use to complete reset, the top of the reset spring 7 is fixedly connected with a downward moving plate 6, the second rotating rack 5 and the first rotating rack 15 are both rotationally connected with the rotating gear 4.

2 top fixedly connected with sponge buffering strips 8 of spacing inserted block, through setting up sponge buffering strips 8, prevent 2 striking hoists of spacing inserted block and mention 1 interior top wearing and tearing of hook, reduce the damage, increase of service life, sponge buffering strips 8 and hoist lift hook 1 and correspond, 1 lateral wall fixedly connected with refueling box 9 of hook is mentioned to the hoist, the filling lubricating oil of being convenient for, change the maintenance, refuel box 9 bottom fixedly connected with refuel valve 10, refuel valve 10 sets up in 4 tops of rotating gear, refuel box 9 lateral wall fixedly connected with ya keli observation window 11, through setting up yakeli observation window 11, be convenient for observe the lubricating oil liquid level in the refueling box 9, it finds the not enough of lubricating oil to change, in time, yakeli observation window 11 extends to in refueling

box

9, 3 top fixedly connected with buffer plate 13 of limiting plate, spacing inserted block 2 runs through buffer plate 13.

The working principle is as follows: when the lifting hook is used, a rope is placed in the downward pressing movable plate 6, when the lifting hook is hooked, the downward pressing movable plate 6 is lowered by weight, the downward pressing movable plate 6 drives the rotating gear 4 to rotate, the first rotating rack 15 is lifted, the limiting insert block 2 is lifted, the lifting hook 1 of the crane is sealed, the rope in the lifting hook 1 of the crane is prevented from falling off, the problem that the rope can be taken out of the lifting hook 1 only by manually pressing due to the anti-falling hook stop sheet when the lifting hook is taken off is solved, and the rope is inconvenient to take out of the lifting hook, the lubricating oil is convenient to fill into the rotating gear 4 by arranging the sponge buffering strip 8, the top of the limiting insert block 2 is prevented from being abraded by impacting the top of the lifting hook 1 of the crane by arranging the oil filling box 9 and the oil filling valve 10, the lubricating oil level in the oil filling box 9 is convenient to observe by arranging the acrylic observation window 11, the top of the buffering, causing abrasion, having strong practicability and being very worth popularizing.

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 hoisting machinery's mousing-hook device, includes that hoist lifting hook (1), its characterized in that: the top of the lifting hook (1) of the crane is fixedly connected with a connecting mechanism (12), the top of the lifting hook (1) of the crane is inserted with a limit insert block (2), the side wall of the limiting insert block (2) is fixedly connected with an installation connecting block (14), the bottom of the installation connecting block (14) is fixedly connected with a first rotating rack (15), the side wall of the lifting hook (1) of the crane is rotationally connected with a rotating gear (4), the bottom of the limiting insert block (2) is fixedly connected with a limiting plate (3), the bottom in the lifting hook (1) of the crane is fixedly connected with a return spring (7), the top of the reset spring (7) is fixedly connected with a downward-pressing moving plate (6), the side wall of the downward-pressing moving plate (6) is fixedly connected with a second rotating rack (5), the second rotating rack (5) and the first rotating rack (15) are rotatably connected with the rotating gear (4).

2. The unhooking prevention device of hoisting machinery of claim 1, wherein: the top of the limiting insertion block (2) is fixedly connected with a sponge buffer strip (8), and the sponge buffer strip (8) corresponds to the lifting hook (1) of the crane.

3. The unhooking prevention device of hoisting machinery of claim 1, wherein: the crane lifting hook is characterized in that an oil adding box (9) is fixedly connected to the side wall of the crane lifting hook (1), an oil adding valve (10) is fixedly connected to the bottom of the oil adding box (9), and the oil adding valve (10) is arranged at the top of the rotating gear (4).

4. The unhooking prevention device of hoisting machinery of claim 3, wherein: add oil box (9) lateral wall fixedly connected with ya keli observation window (11), yakeli observation window (11) extend to add in oil box (9).

5. The unhooking prevention device of hoisting machinery of claim 1, wherein: the top of the limiting plate (3) is fixedly connected with a buffer sheet (13), and the limiting insert block (2) penetrates through the buffer sheet (13).