CN215666599U

CN215666599U - Simple anti-unhooking lifting hook for crane

Info

Publication number: CN215666599U
Application number: CN202122138753.7U
Authority: CN
Inventors: 费瑜钧; 丁一
Original assignee: Fei Yujun
Current assignee: Fei Yujun
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-28
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a simple unhooking-proof lifting hook for a crane, which comprises a hook body and a pressing block, wherein the hook body is provided with a limiting groove for preventing a lifting rope from sliding, the pressing block is connected with a driving mechanism for driving the pressing block to lift, and the pressing block is matched with the limiting groove. According to the utility model, the limiting groove and the pressing block are arranged, when the hook body hangs the lifting rope, the lifting rope is positioned in the limiting groove, meanwhile, the pressing block is connected with the driving mechanism for driving the pressing block to lift, the driving mechanism drives the pressing block to move downwards, so that the pressing block presses the lifting rope in the limiting groove, the stability of connection between the lifting rope and the hook body is improved, the risk that the lifting rope is separated from the hook body is further avoided, the good unhooking prevention purpose is realized, the safety of lifted goods is ensured, and when the pressing block descends, the positioning head is inserted into the positioning groove, so that the pressing block is accurately inserted into the limiting groove, the skew and offset conditions are prevented, and the practicability is high.

Description

Simple anti-unhooking lifting hook for crane

Technical Field

The utility model relates to the technical field of crane components, in particular to a simple anti-unhooking lifting hook for a crane.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The crane is matched with steel wire ropes of various types including phosphated coated steel wire ropes, galvanized steel wire ropes and polished steel wire ropes. The hook is one of the components of the crane, and is often hung on a steel wire rope of a hoisting mechanism by means of a pulley block and the like.

The publication number is CN204751920U, and the patent name is a mousing-hook lifting hook for hoist, mentions and utilizes anticreep fastener to realize the unblock to the fly leaf, unblank, prevents that the lifting rope from breaking away from the lifting hook body, but the lifting hook is in the way to the goods handling, and the lifting rope easily slides on the hook body, leads to the unsteady great of goods, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple unhooking-proof lifting hook for a crane, which has the advantages that a pressing block is used for pressing a lifting rope in a limiting groove, the connection stability of the lifting rope and a hook body is improved, the risk that the lifting rope is separated from the hook body is further avoided, the good unhooking-proof purpose is realized, and the problems that the lifting rope is easy to slide on the hook body, so that the goods are large in floating and certain potential safety hazards are caused are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a simple and easy mousing-hook lifting hook for hoist, includes shank, compact heap, the shank is provided with and is used for preventing the gliding spacing groove of lifting rope, the compact heap is connected with the actuating mechanism who is used for driving the compact heap lift, and compact heap and spacing groove phase-match.

Preferably, the driving mechanism comprises a fixed plate and a movable plate, the movable plate is connected with a threaded sleeve, the threaded sleeve is in threaded connection with a screw rod, the screw rod is movably connected with the fixed plate, the hook body is connected with a hook seat, the movable plate is in sliding connection with a vertical sliding groove formed in the side face of the hook seat, the movable plate is connected with a pressing rod, and the pressing rod is connected with the pressing block.

Preferably, the hook body is provided with the constant head tank, the compact heap side is connected with guiding mechanism, guiding mechanism includes the location head, location head and constant head tank phase-match.

Preferably, the guide mechanism further comprises a connecting rod, and two ends of the connecting rod are connected with the positioning head and the pressing block respectively.

Preferably, the screw is connected with a rotary disc.

Preferably, the top and the bottom of the limiting groove are provided with arc-shaped chamfer surfaces for preventing the lifting rope from being damaged.

Preferably, the depth of the limiting groove is less than one third of the maximum thickness of the hook body.

Preferably, the fixing plate is riveted or welded with the hook base.

Preferably, the bottom end of the pressing block is connected with a wear-resistant rubber pad.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the limiting groove and the pressing block are arranged, when the hook body hangs the lifting rope, the lifting rope is positioned in the limiting groove, meanwhile, the pressing block is connected with the driving mechanism for driving the pressing block to lift, and the driving mechanism drives the pressing block to move downwards, so that the pressing block presses the lifting rope in the limiting groove, the stability of connection between the lifting rope and the hook body is improved, the risk that the lifting rope is separated from the hook body is further avoided, the good unhooking prevention purpose is realized, and the safety of lifted goods is ensured.

Be provided with the constant head tank through the coupler body, and the compact heap side is connected with guiding mechanism, and guiding mechanism includes the location head simultaneously, location head and constant head tank phase-match, and when the compact heap descends, the location head inserts in the constant head tank, guarantees that the compact heap is accurate to be inserted the spacing inslot, avoids appearing crooked skew situation, and the practicality is strong.

Drawings

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

FIG. 2 is a schematic view of the hook body structure of the present invention;

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

fig. 4 is a schematic structural diagram of the driving mechanism of the present invention.

In the figure: 1. hooking the body; 2. a limiting groove; 3. a compression block; 4. a guide mechanism; 5. a hook base; 6. a drive mechanism; 7. a screw; 8. a fixing plate; 9. a movable plate; 10. a pressure lever; 11. a wear-resistant rubber pad; 12. positioning a groove; 13. an arc-shaped chamfer surface; 15. a turntable; 16. a vertical chute; 17. a threaded sleeve; 18. a connecting rod; 19. and (6) positioning the head.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the utility model provides a simple unhooking prevention hook for a crane, which comprises a hook body 1 and a pressing block 3, wherein the hook body 1 is provided with a limiting groove 2 for preventing a lifting rope from sliding, and the limiting groove 2 can limit the lifting rope. The pressing block 3 is connected with a driving mechanism 6 for driving the pressing block 3 to lift, and the pressing block 3 is matched with the limiting groove 2. The driving mechanism 6 drives the pressing block 3 to move downwards, so that the pressing block 3 presses the lifting rope in the limiting groove 2, the stability of the lifting rope connected with the hook body 1 is improved, the lifting rope is further prevented from being separated from the risk of the hook body 1, a good unhooking prevention purpose is achieved, and the safety of lifted goods is guaranteed.

The driving mechanism 6 comprises a fixed plate 8 and a movable plate 9, the movable plate 9 is connected with a threaded sleeve 17, the threaded sleeve 17 is in threaded connection with a screw rod 7, the screw rod 7 is movably connected with the fixed plate 8, the hook body 1 is connected with a hook base 5, the movable plate 9 is in sliding connection with a vertical sliding groove 16 formed in the side face of the hook base 5, the movable plate 9 is connected with a pressing rod 10, and the pressing rod 10 is connected with the pressing block 3. The manual operation turntable 15 realizes the rotation of the screw 7, and the screw 7 is in threaded connection with the thread sleeve 17 on the movable plate 9, so that the movable plate 9 can be driven to slide up and down on the vertical chute 16, and the pressing block 3 is convenient to move.

The hook body 1 is provided with constant head tank 12, and compact heap 3 side is connected with guiding mechanism 4, and guiding mechanism 4 includes location head 19, and location head 19 and constant head tank 12 phase-match. The guide mechanism 4 enables the pressing block 3 to be lifted stably, so that the pressing block 3 is accurately inserted into the limiting groove 2, and the skew deviation condition is avoided.

The guide mechanism 4 further comprises a connecting rod 18, and two ends of the connecting rod 18 are respectively connected with the positioning head 19 and the pressing block 3.

The screw 7 is connected with a turntable 15.

The top and the bottom of the limiting groove 2 are provided with arc-shaped chamfer surfaces 13 for preventing the lifting rope from being damaged. The arc-shaped chamfer surface 13 can prevent the lifting rope from being worn when the lifting rope is separated from the hook body 1.

The depth of the limiting groove 2 is less than one third of the maximum thickness of the hook body 1. The hidden danger of breakage of the hook body 1 is prevented. The depth of the limiting groove 2 is A in figure 2, and the maximum thickness of the hook body 1 is B in figure 2.

The fixing plate 8 is riveted or welded with the hook base 5. The stability that fixed plate 8 and lifting hook seat 5 are connected is improved.

The bottom end of the pressing block 3 is connected with a wear-resistant rubber pad 11. The wear-resistant rubber pad 11 can reduce the abrasion of the pressing block 3 to the lifting rope.

The working principle is as follows: the lifting hook is in on the way to the goods handling, because be provided with spacing groove 2 on the shank 1, makes the lifting rope be located spacing groove 2, and spacing groove 2 can realize spacing to the lifting rope. And compact heap 3 is connected with actuating mechanism 6 that is used for driving compact heap 3 to go up and down, actuating mechanism 6 includes fixed plate 8 simultaneously, fly leaf 9, threaded sleeve 17 threaded connection of fly leaf 9 has screw rod 7, but manual operation carousel 15 realizes the rotation to screw rod 7, drive fly leaf 9 and slide lifting on erecting spout 16, conveniently remove compact heap 3, make compact heap 3 compress tightly the lifting rope in spacing groove 2, improve the steadiness that the lifting rope is connected with coupler body 1, further avoid the lifting rope to break away from the risk from coupler body 1, realize good mousing-hook purpose. In 3 in-process that move down at compact heap, because the 3 sides of compact heap are connected with guiding mechanism 4, guiding mechanism 4 is including location head 19, location head 19 with set up at the constant head tank 12 phase-match of coupler body 1, location head 19 inserts in constant head tank 12, make compact heap 3 go up and down firm, guarantee that compact heap 3 is accurate to insert spacing groove 2 in, avoid compact heap 3 skew situation to appear, improved the practicality of simple and easy mousing-hook lifting hook.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy mousing-hook lifting hook for hoist which characterized in that: including shank (1), compact heap (3), shank (1) is provided with and is used for preventing gliding spacing groove (2) of lifting rope, compact heap (3) are connected with actuating mechanism (6) that are used for driving compact heap (3) to go up and down, and compact heap (3) and spacing groove (2) phase-match.

2. The simple anti-unhooking lifting hook for the crane according to claim 1, wherein the driving mechanism (6) comprises a fixed plate (8) and a movable plate (9), the movable plate (9) is connected with a threaded sleeve (17), the threaded sleeve (17) is in threaded connection with a screw rod (7), the screw rod (7) is movably connected with the fixed plate (8), the hook body (1) is connected with the hook base (5), the movable plate (9) is in sliding connection with a vertical sliding groove (16) arranged on the side surface of the hook base (5), the movable plate (9) is connected with a pressure lever (10), and the pressure lever (10) is connected with the compression block (3).

3. The simple unhooking-prevention lifting hook for the crane according to claim 1, characterized in that the hook body (1) is provided with a positioning groove (12), the pressing block (3) is laterally connected with a guide mechanism (4), the guide mechanism (4) comprises a positioning head (19), and the positioning head (19) is matched with the positioning groove (12).

4. The simple anti-unhooking lifting hook for the crane according to claim 3, wherein the guide mechanism (4) further comprises a connecting rod (18), and two ends of the connecting rod (18) are respectively connected with the positioning head (19) and the pressing block (3).

5. The simple anti-unhooking lifting hook for cranes according to claim 2, characterized in that the screw (7) is connected with a turntable (15).

6. The simple anti-unhooking lifting hook for the crane according to claim 2, wherein the top and the bottom of the limiting groove (2) are provided with arc-shaped chamfered surfaces (13) for preventing the lifting rope from being damaged.

7. The simple unhooking-prevention lifting hook for cranes according to claim 1, characterized in that the depth of the limiting groove (2) is less than one third of the maximum thickness of the hook body (1).

8. The simple unhooking-prevention lifting hook for cranes according to claim 2, characterized in that the fixing plate (8) is riveted or welded to the lifting hook base (5).

9. The simple anti-unhooking lifting hook for the crane according to claim 3, wherein the bottom end of the pressing block (3) is connected with a wear-resistant rubber pad (11).