CN216038184U

CN216038184U - Unhooking prevention safety device for crane

Info

Publication number: CN216038184U
Application number: CN202121974749.8U
Authority: CN
Inventors: 曹睿奇
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-03-15
Anticipated expiration: 2031-08-21

Abstract

The utility model provides an anti-unhooking safety device for a crane, which relates to the technical field of crane lifting hooks and comprises a steel wire rope, a pulley, a lifting hook and an anti-unhooking assembly, wherein the pulley is connected below the steel wire rope, the lifting hook is installed on the pulley, the anti-unhooking assembly is arranged at the top of the lifting hook and comprises a rotating frame, a pin shaft, a spring sheet frame and a handle, the pin shaft is arranged at the top end of the rotating frame, the rotating frame is hinged with the top end of the lifting hook through the pin shaft, the outer side of the pin shaft is hinged with the spring sheet frame, one side of the rotating frame is connected with the handle, and the spring sheet frame is connected with the rotating frame in a sliding manner through a connecting shaft and a sliding chute; the novel, safe and reliable unhooking-preventing safety device is manufactured to replace the original device, hands of operators do not need to be in the lifting hooks, safety can be effectively guaranteed, and operation efficiency is improved.

Description

Unhooking prevention safety device for crane

Technical Field

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

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, is widely used in ports, production workshops, construction sites and other places, the crane is frequently used in leaders of industrial production, building construction, emergency rescue and the like, and generally has a perfect safety device in order to ensure the safe and reliable operation of the crane, so as to play a role of safety protection under unexpected conditions, such as a height limiting device, a lifting capacity display, an anti-unhooking device and the like, wherein the anti-unhooking device belongs to a safety accessory device of a lifting hook, when an operator hangs a heavy object by the lifting hook, the operator needs to manually press the anti-unhooking device to ensure that a certain gap is formed between the anti-unhooking device and a hook head, and a steel wire rope can be smoothly hung on the lifting hook, then the unhooking prevention device is loosened, the hook head is blocked, and the steel wire rope is prevented from falling off from the lifting hook, so that safety accidents such as falling of hanging objects are avoided;

the existing crane is equipped with the mousing-hook device, basically belong to and be equipped with along with the factory, just installed when the crane leaves the factory, but the anti-drop device that is equipped with along with the factory generally installs on lifting hook open end upper portion, connect an shell fragment simultaneously, the card is in this one side of gib head, hang, need the operation personnel to press the shell fragment with the hand when plucking wire rope, at this moment operation personnel's hand is in the lifting hook, because the effort of shell fragment is great, it presses to need the human power, this process shell fragment rebounds easily, cause operation personnel hand injury, there is certain potential safety hazard, and this operation process needs certain time, still need to pay attention to safety, influence the operating efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides the unhooking prevention safety device for the crane, which replaces the original device by manufacturing a novel, safe and reliable unhooking prevention safety device, so that the hands of an operator do not need to be in a lifting hook, the safety can be effectively ensured, and the operation efficiency is improved.

In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: an anti-unhooking safety device for a crane comprises a steel wire rope, a pulley, a lifting hook and an anti-unhooking component, wherein the pulley is connected below the steel wire rope, the lifting hook is mounted on the pulley, and the anti-unhooking component is arranged at the top of the lifting hook;

the mousing-hook subassembly is including rotating frame, round pin axle, bullet piece frame and handle, the round pin axle sets up on the top of rotating the frame, it is articulated through the top of round pin axle with the lifting hook to rotate the frame, the outside of round pin axle articulates there is the bullet piece frame, one side of rotating the frame is connected with the handle.

The further improvement lies in that: one side of the elastic sheet frame is provided with a connecting shaft, a sliding groove matched with the connecting shaft is arranged in the lifting hook, and the elastic sheet frame is connected with the rotating frame in a sliding mode through the connecting shaft and the sliding groove.

The further improvement lies in that: the connecting axle outside is fixed with the spring, the top of lifting hook is equipped with the fixed pin, the top of spring is connected with the outside of fixed pin.

The further improvement lies in that: holes matched with the pin shafts are symmetrically formed in the front face and the back face of the rotating frame.

The further improvement lies in that: one side of the lifting hook is provided with a groove matched with the elastic sheet frame.

The further improvement lies in that: the outer wall of one side of the lifting hook is provided with a convex block, and the outer wall of the convex block is matched with the inner wall of the rotating frame.

The utility model has the beneficial effects that: this an mousing-hook safety device for crane, through making a neotype, safe and reliable's mousing-hook safety subassembly, replace original device, and fix on lifting hook open end upper portion with the spring, extend to the gib head position with the shell fragment frame, lower part in the lifting hook outer lane is prolonged with the place of operation personnel manual operation, operation personnel only need lift up outside shell fragment frame through the handle that rotates the frame when the operation, the shell fragment frame in the lifting hook opens naturally, loosen outside shell fragment frame after having hung wire rope and just accomplish the operation, operation personnel's hand need not be in the lifting hook, can be effective guarantee safety, improve the operating efficiency.

Drawings

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

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

figure 3 is a side view of the hook of the present invention.

Wherein: 1. a wire rope; 2. a pulley; 3. a hook; 4. an unhooking prevention component; 5. rotating the frame; 6. a pin shaft; 7. a spring sheet frame; 8. a handle; 9. a connecting shaft; 10. a chute; 11. a spring; 12. a fixing pin; 13. a hole; 14. a groove; 15. and (4) a bump.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to the drawings of fig. 1, 2 and 3, the embodiment provides an anti-unhooking safety device for a crane, which comprises a steel wire rope 1, a pulley 2, a lifting hook 3 and an anti-unhooking component 4, wherein the pulley 2 is connected below the steel wire rope 1, the lifting hook 3 is installed on the pulley 2, and the anti-unhooking component 4 is arranged at the top of the lifting hook 3;

the mousing-hook component 4 is including rotating frame 5, round pin axle 6, shell fragment frame 7 and handle 8, round pin axle 6 sets up on the top of rotating frame 5, it is articulated with the top of lifting hook 3 through round pin axle 6 to rotate frame 5, the outside of round pin axle 6 articulates there is shell fragment frame 7, one side of rotating frame 5 is connected with handle 8, extends shell fragment frame 7 to the 3 section outsides of lifting hook, need not press the shell fragment frame 7 in the lifting hook 3 with the hand when the operation personnel operate, only need lift the handle 8 of rotating frame 5 of extension section, avoids the hand directly to expose in lifting hook 3, can effectual assurance safety, improves the operating efficiency simultaneously.

One side of play piece frame 7 is equipped with connecting axle 9, the inside of lifting hook 3 is equipped with the spout 10 that matches with connecting axle 9, play piece frame 7 passes through connecting axle 9, spout 10 and rotates 5 sliding connection of frame, and 7 covers in the 3 sections of lifting hook of the play piece frame 7 cover in one side, prolongs to the 3 section outsides of lifting hook for it is fixed with lifting hook 3.

The connecting shaft 9 outside is fixed with spring 11, the top of lifting hook 3 is equipped with fixed pin 12, the top of spring 11 is connected with the outside of fixed pin 12.

Holes 13 matched with the pin shafts 6 are symmetrically formed in the front face and the back face of the rotating frame 5.

One side of the lifting hook 3 is provided with a groove 14 matched with the elastic sheet frame 7.

The outer wall of lifting hook 3 one side is equipped with lug 15, the outer wall of lug 15 agrees with mutually with the inner wall that rotates frame 5, and handle 8 drives and rotates frame 5 and rotate lug 15 department, and the outer wall of lug 15 and the inner wall block that rotates frame 5 prevent that the shell fragment frame 7 that opens from reseing suddenly because of the elasticity of spring 11.

This an anticreep hook safety device for crane, through making a neotype, safe and reliable's anticreep hook subassembly 4, replace original device, and fix on 3 open end upper portions of lifting hook with spring 11, extend to gib head position with fragment frame 7, lower part in 3 outer lanes of lifting hook is prolonged to the place of operating personnel manual operation, operating personnel only need lift outside fragment frame 7 through handle 8 that rotates frame 5 when the operation, the fragment frame 7 in the lifting hook 3 opens naturally, it just accomplishes the operation to loosen outside fragment frame 7 after 1 to hang wire rope, operating personnel's hand need not be in lifting hook 3, can be effective guarantee safety, improve the operating efficiency.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anticreep hook safety device for crane, includes wire rope (1), pulley (2) and lifting hook (3), its characterized in that: the steel wire rope is characterized by further comprising an anti-unhooking component (4), a pulley (2) is connected below the steel wire rope (1), a lifting hook (3) is installed on the pulley (2), and the anti-unhooking component (4) is arranged at the top of the lifting hook (3);

mousing hook subassembly (4) are including rotating frame (5), round pin axle (6), play piece frame (7) and handle (8), round pin axle (6) set up on the top of rotating frame (5), it is articulated with the top of lifting hook (3) through round pin axle (6) to rotate frame (5), the outside of round pin axle (6) articulates there is play piece frame (7), one side of rotating frame (5) is connected with handle (8).

2. An anti-unhooking safety device for cranes, according to claim 1, characterized in that: one side of the elastic sheet frame (7) is provided with a connecting shaft (9), a sliding groove (10) matched with the connecting shaft (9) is formed in the lifting hook (3), and the elastic sheet frame (7) is connected with the rotating frame (5) in a sliding mode through the connecting shaft (9) and the sliding groove (10).

3. An anti-unhooking safety device for cranes, according to claim 2, characterized in that: the connecting shaft (9) outside is fixed with spring (11), the top of lifting hook (3) is equipped with fixed pin (12), the top of spring (11) is connected with the outside of fixed pin (12).

4. An anti-unhooking safety device for cranes, according to claim 2, characterized in that: holes (13) matched with the pin shafts (6) are symmetrically formed in the front face and the back face of the rotating frame (5).

5. An anti-unhooking safety device for cranes, according to claim 1, characterized in that: one side of the lifting hook (3) is provided with a groove (14) matched with the elastic sheet frame (7).

6. An anti-unhooking safety device for cranes, according to claim 1, characterized in that: the outer wall of one side of the lifting hook (3) is provided with a convex block (15), and the outer wall of the convex block (15) is matched with the inner wall of the rotating frame (5).