CN210214558U

CN210214558U - Anti-drop lifting hook

Info

Publication number: CN210214558U
Application number: CN201920502128.6U
Authority: CN
Inventors: Xiaofeng Fu; 付晓峰; Huifang Shi; 史慧芳; Enchao Yu; 于恩超; Yongqiang Wu; 武永强
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-03-31
Anticipated expiration: 2029-04-12

Abstract

The utility model provides an anticreep lifting hook belongs to lifting hook technical field, including the lifting hook body, the lifting hook body is including hanging stalk portion and gib head portion, and the anticreep lifting hook still includes at least one swivel mount, blocks subassembly, slide bar and control assembly. The control assembly drives the sliding rod to move up and down, the sliding rod drives the rotating frame to swing through moving up and down, the blocking assembly swings along with the rotating frame to realize the opening end on the upper part of the head of the opening and closing hook, and then the anti-falling function of the anti-falling lifting hook is realized. The utility model provides an anticreep lifting hook is owing to no longer need use the torsional spring, so solved the influence that traditional anticreep lifting hook torsional spring became invalid and brought.

Description

Anti-drop lifting hook

Technical Field

The utility model belongs to the technical field of the lifting hook, more specifically say, relate to an anticreep lifting hook.

Background

Hoisting machinery is widely applied to various industries, the traditional anti-falling lifting hook of the hoisting machinery basically adopts a mode of 'torsion springs and baffles', and due to different operation environments, the torsion springs can fail in different modes, such as high-temperature failure in a high-temperature operation environment, fatigue failure with high use frequency, corrosion failure caused by environments with strong corrosivity, such as acid and alkali, and the like, and no matter which failure can bring great influence to the safe operation of the hoisting machinery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticreep lifting hook aims at solving the influence that traditional anticreep lifting hook torsional spring became invalid and brings.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an anticreep lifting hook, includes the lifting hook body, the lifting hook body is including hanging stalk portion and gib head portion, its characterized in that, the anticreep lifting hook still includes: at least one rotating frame, wherein the rotating frame is rotatably connected to the lifting handle part around a rotating axis, and the rotating axis is horizontally arranged; the blocking assembly is fixed on the rotating frame and can rotate along with the rotating frame to open and close an opening end at the upper part of the hook head; the sliding rod is hinged to the rotating frame, the hinge axis of the sliding rod is horizontally arranged, and the sliding rod can slide close to or far away from the rotating axis along the rotating frame; and the control assembly is fixed on the lifting hook body and used for driving the sliding rod to move up and down to realize the swinging of the rotating frame.

Furthermore, the rotating frame is connected to the handle portion through a connecting shaft, one end of the connecting shaft is fixed to the rotating frame, and the other end of the connecting shaft penetrates into the handle portion in a rotating mode.

Further, the connecting shaft is detachably connected with the rotating frame.

Furthermore, two ends of the connecting shaft are respectively provided with a positioning handle part and a shaft shoulder of the rotating frame, one end of the connecting shaft, corresponding to the rotating frame, penetrates through the rotating frame and is fixed by means of a locking nut, and a flat key is arranged between the connecting shaft and the rotating frame.

Furthermore, the two rotating frames are symmetrically arranged on two sides of the handle part.

Furthermore, the blocking assembly is of a U-shaped structure and is located between the two rotating frames, the blocking assembly comprises two connecting rods and a closing rod, the two connecting rods are respectively and fixedly connected with the two rotating frames, and the closing rod is located in the hook head portion.

Furthermore, two ends of the closing rod are respectively and rotatably connected to one of the connecting rods, and the rotating axis of the closing rod is horizontally arranged.

Further, the control assembly comprises a control panel fixed on the lifting hook body, the control panel is in threaded connection with a control rod arranged up and down, and the bottom end of the control rod is rotatably connected with the sliding rod.

Further, the middle part of the control rod is slidably sleeved with a compression plate, the compression plate is fixed on the hook body, a compression spring in a compression state is arranged between the compression plate and the sliding rod, and the compression spring is sleeved on the control rod.

Furthermore, one end of the rotating frame, which is connected with the sliding rod, is of a U-shaped structure, and the sliding rod is arranged in a groove of the U-shaped structure.

The utility model provides an anticreep lifting hook's beneficial effect lies in: compared with the prior art, the utility model discloses the anticreep lifting hook, control assembly drive slide bar reciprocate, and the slide bar drives the swivel mount swing through reciprocating, blocks the subassembly and realizes the open end on switching gib head upper portion along with the swivel mount swing, and then realizes the anticreep function of this anticreep lifting hook, owing to no longer need use the torsional spring, so solved the influence that traditional anticreep lifting hook torsional spring became invalid and bring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view of an anti-drop hook provided in an embodiment of the present invention;

FIG. 2 is a right side view of the anti-drop hook shown in FIG. 1;

fig. 3 is a schematic structural diagram of a blocking assembly according to an embodiment of the present invention.

In the figure: 1. a hook body; 11. a handle hanging part; 12. a hook head portion; 2. a rotating frame; 21. a groove; 3. a blocking component; 31. a connecting rod; 32. a closing rod; 4. a control component; 41. a control panel; 42. a control lever; 43. A compression plate; 44. a compression spring; 5. a slide bar; 6. a connecting shaft; 7. locking the nut; 8. a flat bond.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the anti-dropping hook of the present invention will be described. Anticreep lifting hook includes lifting hook body 1, and lifting hook body 1 is including hanging stalk portion 11 and gib head portion 12, and the anticreep lifting hook still includes at least one swivel mount 2, blocks subassembly 3, slide bar 5 and control assembly 4.

The rotating frame 2 is rotatably connected to the handle portion 11 about a rotation axis, and the rotation axis is horizontally arranged. The blocking component 3 is fixed on the rotating frame 2, and the blocking component 3 can rotate along with the rotating frame 2 to open and close the opening end of the upper part of the hook head part 12. When the blocking member 3 opens the open end of the upper portion of the hooking head portion 12, an article to be hooked by the hooking head portion 12 is put in, and then the blocking member 3 closes the open end of the upper portion of the hooking head portion 12, preventing the article hooked in the hooking head portion 12 from coming out.

The sliding rod 5 is hinged on the rotating frame 2, the hinge axis is horizontally arranged, and the sliding rod 5 can slide close to or far away from the rotating axis along the rotating frame 2. The control assembly 4 is fixed on the lifting hook body 1, and the control assembly 4 is used for driving the sliding rod 5 to move up and down to realize the swing of the rotating frame 2. In the process that the control component 4 drives the sliding rod 5 to move up and down, the sliding rod 5 can rotate relative to the rotating frame 2 and slide along the rotating frame 2 to approach or move away from the rotating axis, but because the sliding rod 5 and the rotating frame 2 are always hinged together, the sliding rod 5 can drive the rotating frame 2 to swing up and down.

The utility model provides an anticreep lifting hook compares with prior art, and this anticreep lifting hook no longer need use the torsional spring, so solved the influence that traditional anticreep lifting hook torsional spring became invalid and brought.

As a specific embodiment of the anti-drop lifting hook provided by the present invention, please refer to fig. 2, in order to realize the rotation function of the rotating frame 2, the rotating frame 2 is connected to the handle portion 11 through the connecting shaft 6, one end of the connecting shaft 6 is fixed on the rotating frame 2, and the other end is rotated to penetrate into the handle portion 11.

As a specific embodiment of the anti-dropping hook provided by the present invention, please refer to fig. 2, the connecting shaft 6 is detachably connected to the rotating frame 2, so that the installation is convenient.

As a specific implementation manner of the utility model provides an anticreep lifting hook, please refer to fig. 1 to 2, the both ends of connecting axle 6 have the shaft shoulder of location stalk portion 11 and swivel mount 2 respectively, the one end that connecting axle 6 corresponds swivel mount 2 is passed swivel mount 2 and is fixed with the help of lock nut 7, be equipped with parallel key 8 between connecting axle 6 and the swivel mount 2, lock nut 7 is used for the axial fixity of connecting axle 6 with swivel mount 2, parallel key 8 is used for the circumference of swivel mount 2 and connecting axle 6 to be fixed.

As a specific embodiment of the anti-drop lifting hook provided by the present invention, please refer to fig. 2, the two rotating frames 2 are symmetrically disposed on the two sides of the lifting handle portion 11, and the two rotating frames 2 can make the anti-drop lifting hook more reliable.

As a specific implementation manner of the anti-dropping lifting hook, please refer to fig. 2 to 3, the blocking component 3 is in a U-shaped structure and is located between two rotating frames 2, the blocking component 3 includes two connecting rods 31 and a closing rod 32, the two connecting rods 31 are respectively fixedly connected to the two rotating frames 2, the closing rod 32 is located in the hook head portion 12, and the structure is simple and easy to implement.

As a specific embodiment of the anti-dropping hook provided by the present invention, please refer to fig. 2 to 3, the two ends of the closing rod 32 are respectively connected to one of the connecting rods 31 and the rotation axis is horizontally disposed, and since the closing rod 32 can rotate, the friction can be reduced when the closing rod 32 contacts the hook head portion 12, and the blocking component 3 can be prevented from being stuck in the hook head portion 12.

As a specific implementation manner of the utility model provides an anticreep lifting hook please refer to fig. 1 to 2, control assembly 4 is including the control panel 41 that is fixed in lifting hook body 1, and control panel 41 threaded connection has the control lever 42 that sets up from top to bottom, and the bottom of control lever 42 is rotated and is connected slide bar 5, realizes reciprocating of control lever 42 through rotating control lever 42, and reciprocating of control lever 42 can drive slide bar 5 rather than being connected again and realize reciprocating.

As a specific implementation manner of the anti-dropping hook, please refer to fig. 1 to 2, the middle sliding sleeve of the control rod 42 is provided with a compression plate 43, the compression plate 43 is fixed on the hook body 1, a compression spring 44 in a compression state is arranged between the compression plate 43 and the sliding rod 5, and the control rod 42 is sleeved with the compression spring 44. The resilience of the compression spring 44 can increase the friction force of the threaded connection between the control rod 42 and the control plate 41, that is, the resistance to the rotation of the control rod 42 is increased, so that the control rod 42 is prevented from being rotated by mistake, the blocking component 3 is prevented from opening the upper opening end of the hook head 12, and the reliability of the anti-falling lifting hook is increased.

As a specific embodiment of the anti-drop lifting hook provided by the present invention, please refer to fig. 1, one end of the rotating frame 2 connected to the sliding rod 5 is in a "U" shape, and the sliding rod 5 is disposed in the groove 21 of the "U" shape. This structure not only realizes the sliding of the sliding rod 5, but also facilitates the installation.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Anticreep lifting hook, including the lifting hook body, the lifting hook body is including hanging stalk portion and gib head portion, its characterized in that, the anticreep lifting hook still includes:

at least one rotating frame, wherein the rotating frame is rotatably connected to the lifting handle part around a rotating axis, and the rotating axis is horizontally arranged;

the blocking assembly is fixed on the rotating frame and can rotate along with the rotating frame to open and close an opening end at the upper part of the hook head;

the sliding rod is hinged to the rotating frame, the hinge axis of the sliding rod is horizontally arranged, and the sliding rod can slide close to or far away from the rotating axis along the rotating frame;

and the control assembly is fixed on the lifting hook body and used for driving the sliding rod to move up and down to realize the swinging of the rotating frame.

2. The anti-drop lifting hook according to claim 1, wherein the rotating frame is connected to the handle portion through a connecting shaft, one end of the connecting shaft is fixed to the rotating frame, and the other end of the connecting shaft is rotatably inserted into the handle portion.

3. The anti-drop lifting hook according to claim 2, wherein the connecting shaft is detachably connected to the rotating frame.

4. The anti-drop lifting hook according to claim 3, wherein the connecting shaft has a positioning handle portion and a shoulder of the rotating frame at both ends thereof, the connecting shaft is inserted through the rotating frame at an end thereof corresponding to the rotating frame and is fixed by a locking nut, and a flat key is provided between the connecting shaft and the rotating frame.

5. The anti-drop lifting hook according to claim 1, wherein the two rotating frames are symmetrically arranged on two sides of the handle portion.

6. The anti-drop lifting hook according to claim 5, wherein the blocking assembly is of a "U" shape and is located between the two rotating frames, the blocking assembly comprises two connecting rods and a closing rod, the two connecting rods are respectively and fixedly connected with the two rotating frames, and the closing rod is located in the hook head.

7. The anti-drop lifting hook according to claim 6, wherein the two ends of the closing rod are respectively and rotatably connected to one of the connecting rods, and the rotation axis is horizontally arranged.

8. The anti-drop lifting hook according to claim 1, wherein the control assembly comprises a control plate fixed on the lifting hook body, the control plate is in threaded connection with control rods arranged up and down, and the bottom ends of the control rods are rotatably connected with sliding rods.

9. The anti-drop lifting hook according to claim 8, wherein a compression plate is slidably sleeved on the middle of the control rod, the compression plate is fixed on the lifting hook body, a compression spring in a compressed state is arranged between the compression plate and the sliding rod, and the compression spring is sleeved on the control rod.

10. The anti-drop lifting hook according to claim 1, wherein the end of the rotating frame connected to the sliding rod is of a "U" shape, and the sliding rod is disposed in the groove of the "U" shape.