CN212245904U

CN212245904U - Unhooking prevention device of crane hook

Info

Publication number: CN212245904U
Application number: CN202020253865.XU
Authority: CN
Inventors: 毕海榕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-12-29
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses an mousing-hook device of hoist lifting hook, including the connecting block, the bottom surface fixed mounting of connecting block has the lifting hook, be equipped with the inner chamber in the connecting block, the top surface fixed mounting of connecting block has the motor, the output of motor runs through the upper wall fixedly connected with threaded rod of inner chamber, the left and right inner wall of inner chamber all is equipped with the spout, two all be equipped with slide, two in the spout the same thread bush of slide fixedly connected with, the lower wall of inner chamber is equipped with the through-hole, the bottom surface fixed mounting of connecting block has the installation casing. The utility model discloses, the thread bush realizes first layer mousing-hook structure with blocking in the lifting hook, and protection workman's life safety problem realizes opening and shutting between circular arc piece and the lifting hook, forms second floor mousing-hook structure, both can effectually avoid the emergence of heavy object mousing-hook phenomenon, can also make things convenient for operating personnel to use.

Description

Unhooking prevention device of crane hook

Technical Field

The utility model relates to a hoist field especially relates to an mousing-hook device of crane hook.

Background

The current hoist is carrying out the in-process of moving of heavy object, need hang the heavy object at the lifting hook to realize the change of position with the help of the effect of hoist, but the hoist is when self rotates, because the heavy object can produce the inertia effect when along with the hoist rotates, consequently leads to the heavy object to appear sliding on the lifting hook of hoist easily, very easily leads to the heavy object to unhook, seriously influences the work safety of hoist, especially when the use in the building site, can produce serious potential safety hazard, is unfavorable for workman's life safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-unhooking device of a crane hook.

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

the utility model provides an mousing-hook device of hoist lifting hook, includes the connecting block, the bottom surface fixed mounting of connecting block has the lifting hook, be equipped with the inner chamber in the connecting block, the top surface fixed mounting of connecting block has the motor, the output of motor runs through the upper wall fixedly connected with threaded rod of inner chamber, the left and right inner wall of inner chamber all is equipped with spout, two all be equipped with slide, two in the spout the same thread bush of slide fixedly connected with, the lower wall of inner chamber is equipped with the through-hole, the bottom surface fixed mounting of connecting block has the installation casing, the lower wall fixed mounting of installation casing has the rotation motor, the lower wall that the output of rotating the motor runs through the installation casing is connected with the worm, the preceding, the back inner wall of installation casing runs through and installs the dwang, the outer wall fixed mounting of dwa, And the two ends of the rotating rod on the rear outer wall are fixedly connected with arc blocks.

Preferably, the sliding groove and the sliding seat are matched in size.

Preferably, the outer diameter of the threaded rod is smaller than the inner diameter of the threaded sleeve, and the outer thread of the threaded rod is matched with the inner thread of the threaded sleeve.

Preferably, the upper end of the threaded sleeve is fixedly connected with a limiting block.

Preferably, a through hole is formed between the upper wall and the lower wall of the lifting hook, and the through hole, the through hole and the threaded sleeve are matched in position and size.

Preferably, the motor and the rotating motor are both positive and negative rotating motors.

The utility model has the advantages that:

1, the utility model discloses a motor, threaded rod, thread bush, through-hole, slide, spout, installation casing and running through the through-hole, the thread bush realizes first layer mousing-hook structure with blocking in the lifting hook, protection workman's life safety problem.

2, the utility model discloses a rotating motor, worm, dwang, worm wheel and circular arc piece, realizing opening and shutting between circular arc piece and the lifting hook, forming second floor mousing hook structure, both can effectually avoid the emergence of heavy object unhook phenomenon, can also make things convenient for operating personnel to use.

Drawings

Fig. 1 is a schematic structural view of an anti-unhooking device of a crane hook according to the present invention.

Fig. 2 is a schematic structural diagram of the installation housing of the mousing-hook device of the crane hook of the present invention.

Reference numbers in the figures: the device comprises a connecting block 1, a lifting hook 2, a motor 3, a threaded rod 4, a threaded sleeve 5, a through hole 6, a sliding seat 7, a sliding groove 8, an installation shell 9, a rotating motor 10, a worm 11, a rotating rod 12, a worm wheel 13, a through hole 14 and an arc block 15.

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.

Referring to fig. 1-2, an unhooking prevention device of a crane hook comprises a connecting block 1, a hook 2 is fixedly installed on the bottom surface of the connecting block 1, an inner cavity is arranged in the connecting block 1, a motor 3 is fixedly installed on the top surface of the connecting block 1, an output end of the motor 3 penetrates through an upper wall of the inner cavity and is fixedly connected with a threaded rod 4, sliding grooves 8 are respectively arranged on the left inner wall and the right inner wall of the inner cavity, sliding seats 7 are respectively arranged in the two sliding grooves 8, the two sliding seats 7 are fixedly connected with a same threaded sleeve 5, a through hole 6 is arranged on the lower wall of the inner cavity, an installation shell 9 is fixedly installed on the bottom surface of the connecting block 1, a rotating motor 10 is fixedly installed on the lower wall of the installation shell 9, a worm 11 is connected on the output end of the rotating motor 10, the outer wall fixed mounting of dwang 12 has worm wheel 13, worm wheel 13 and the meshing of worm 11 are located before installation casing 9, back outer wall the equal fixedly connected with arc piece 15 in both ends of dwang 12, the big or small adaptation of spout 8 and slide 7, the external diameter of threaded rod 4 is less than the internal diameter of thread bush 5, the external screw thread of threaded rod 4 and the internal thread adaptation of thread bush 5, the upper end fixedly connected with stopper of thread bush 5 are equipped with between the upper and lower wall of lifting hook 2 and run through-hole 14, the position and the big or small adaptation that run through-hole 14, through-hole 6 and thread bush 5, and motor 3 and rotation motor 10 are just reversing motor.

The working principle is as follows: the utility model discloses, when using, through opening rotating motor 10, rotating motor 10 corotation and driving worm 11 to rotate, through worm 11 and worm wheel 13 meshing, drive worm wheel 13 and rotate, thereby drive dwang 12 and rotate, dwang 12 drives circular arc piece 15 at both ends and rotates, thereby realize the separation of circular arc piece 15 and lifting hook 2, after lifting hook 2 has colluded the product, open motor 3, the output of motor 3 drives threaded rod 4 and rotates, under the cooperation direction of spout 8 and slide 7, drive thread bush 5 and move downwards, thereby thread bush 5 runs through-hole 6 and runs through-hole 14, become first layer mousing structure, let rotating motor 10 reverse again drive worm 11 and rotate, through worm 11 and worm wheel 13 meshing, drive worm wheel 13 and rotate, thereby drive dwang 12 and rotate, dwang 12 drives circular arc piece 15 at both ends and rotates, thereby realize the inseparable laminating of circular arc piece 15 and lifting hook 2, realize the second floor mousing-hook structure, protect workman's healthy.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the designated device or element must have a particular orientation to be described in order to indicate or imply that the designated device or element must have a particular orientation

The particular orientation, construction and operation is not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an unhooking prevention device of crane lifting hook, includes connecting block (1), its characterized in that, the bottom surface fixed mounting of connecting block (1) has lifting hook (2), be equipped with the inner chamber in connecting block (1), the top surface fixed mounting of connecting block (1) has motor (3), the output of motor (3) runs through upper wall fixedly connected with threaded rod (4) of inner chamber, the left and right inner wall of inner chamber all is equipped with spout (8), two all be equipped with slide (7) in spout (8), two slide (7) fixedly connected with is same thread bush (5), the lower wall of inner chamber is equipped with through-hole (6), the bottom surface fixed mounting of connecting block (1) has installation casing (9), the lower wall fixed mounting of installation casing (9) has rotation motor (10), the lower wall that the output of rotation motor (10) runs through installation casing (9) is connected with worm (11), the utility model discloses an installation casing, including installation casing (9), preceding, back inner wall run through and install dwang (12), the outer wall fixed mounting of dwang (12) has worm wheel (13), worm wheel (13) and worm (11) meshing are located installation casing (9) preceding, back outer wall the equal fixedly connected with arc piece (15) in both ends of dwang (12).

2. An anti-unhooking device of a crane hook as claimed in claim 1, characterised in that the runner (8) and the slide (7) are adapted in size.

3. The unhooking prevention device of a crane hook as claimed in claim 1, characterised in that the outer diameter of the threaded rod (4) is smaller than the inner diameter of the threaded sleeve (5), the outer thread of the threaded rod (4) fitting the inner thread of the threaded sleeve (5).

4. The unhooking prevention device of a crane hook as claimed in claim 1, wherein a stop block is fixedly connected to the upper end of the threaded sleeve (5).

5. The unhooking prevention device of a crane hook as claimed in claim 1, wherein a through hole (14) is provided between the upper and lower walls of the hook (2), and the through hole (14), the through hole (6) and the threaded sleeve (5) are adapted in position and size.

6. An anti-unhooking device of a crane hook as claimed in claim 1, characterised in that the motor (3) and the rotating motor (10) are both positive and negative rotating motors.