CN216105588U

CN216105588U - Rope falling prevention structure for tower crane lifting hook

Info

Publication number: CN216105588U
Application number: CN202122610754.7U
Authority: CN
Inventors: 陈伦超; 马淑玲; 曹军民
Original assignee: Nanjing Bairui Construction Machinery Co ltd
Current assignee: Nanjing Bairui Construction Machinery Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-22
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses an anti-rope-dropping structure for a tower crane lifting hook, which comprises two groups of mounting plates, wherein the mounting plates are arranged in parallel and correspondingly, fixing rods are welded and installed on corresponding side walls of the mounting plates, pulleys are rotatably installed on the corresponding side walls of the mounting plates, rotating shafts are rotatably installed on the corresponding side walls of the mounting plates under the pulleys, fasteners are sleeved on the rotating shafts, and the fasteners are rotatably connected with the rotating shafts. This be used for tower machine lifting hook anticreep rope structure, through the use that begins the fixed slot and cooperate the pin on the lifting hook, make the device when using, can effectually guarantee hanging on the lifting hook rope can not follow landing in the lifting hook, the pin adopts the screw-thread steel material in the device simultaneously, and is sturdy in structure, can effectually avoid the pin cracked condition to appear in the use, thereby the safety in utilization of device has been improved greatly, and the device position fixed slot cooperation magnetite carries out the structure of joint, the effectual condition of free landing that appears in the pin of having avoided, the practicality of device is greatly improved.

Description

Rope falling prevention structure for tower crane lifting hook

Technical Field

The utility model relates to the technical field of hook rope falling prevention, in particular to a rope falling prevention structure for a tower crane hook.

Background

The lifting hook is the most common lifting appliance in the hoisting machinery, the lifting hook is usually hung on a steel wire rope of a hoisting mechanism by means of a pulley block and other components, the lifting hook is divided into a single hook and a double hook according to the shape, and is divided into a forging lifting hook and a laminated lifting hook according to the manufacturing method, the single hook is simple to manufacture and convenient to use, but the stress condition is not good, the single hook is mostly used in working occasions with the lifting capacity of below 80 tons, and the double hook with symmetrical stress is often adopted when the lifting capacity is large.

The lifting hook anticreep rope prevents the important safety guarantee device that hoist and mount rope unhook in the tower machine work, lifting hook anticreep wire rope unhook device is the lifting hook insurance, prevent promptly to lift by crane wire rope because the angle is too big or when the couple is not good, cause the wire rope unhook of lifting by crane, hang the device of thing falling accident, the lifting hook anticreep in the past is formed by anticreep board and spring combination, because its structure is comparatively weak, damage very easily in the use, lose its due anticreep guard action, the safety risk when having increased the hoist and mount.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an anti-drop structure for a tower crane lifting hook, which is used for solving the problems.

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

the utility model provides a be used for tower machine lifting hook anticreep rope structure, the mounting panel comprises a mounting panel, the quantity of mounting panel is two sets of and parallel correspondence setting, the corresponding lateral wall welded mounting of mounting panel has the dead lever, the corresponding lateral wall of mounting panel rotates and installs the pulley, the corresponding lateral wall of mounting panel is located the pulley and rotates under and install the pivot, the cover is established in the pivot and is installed the fastener, the fastener rotates with the pivot and is connected the setting, the bottom outside of fastener is rotated and is installed and rotate the piece, it is hollow cylindrical structure setting to rotate the piece, the lateral wall welded mounting who rotates the piece has the pin, the pin is the rectangular strip form structure setting, the bottom welded mounting of fastener has the lifting hook, the opening part and the pin phase-match of lifting hook, the fixed slot has been seted up to one side inner wall of lifting hook opening part, the fixed slot matches with the free end of pin, the fixed slot sets up with pin sliding connection, the positive department welded mounting in inside wall bottom of fixed slot has the magnetite.

Preferably, the number of the fixing rods is three and the fixing rods are arranged in a triangular structure.

Preferably, the pulley is sleeved with a steel cable.

Preferably, the bottom end of the fastener is arranged in a cylindrical structure.

Preferably, the stop lever is made of deformed steel bars and is obliquely arranged.

Preferably, the fixing groove is rectangular, and a sidewall of the fixing groove is communicated with the outside.

Compared with the prior art, the utility model has the beneficial effects that: this be used for tower machine lifting hook anticreep rope structure, through the use that begins the fixed slot and cooperate the pin on the lifting hook, make the device when using, can effectually guarantee hanging on the lifting hook rope can not follow landing in the lifting hook, the pin adopts the screw-thread steel material in the device simultaneously, and is sturdy in structure, can effectually avoid the pin cracked condition to appear in the use, thereby the safety in utilization of device has been improved greatly, and the device position fixed slot cooperation magnetite carries out the structure of joint, the effectual condition of free landing that appears in the pin of having avoided, the practicality of device is greatly improved.

Drawings

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

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

fig. 3 is a schematic view of the position structure of the fixed slot of the present invention.

In the figure: 1 mounting plate, 2 lifting hooks, 3 rotating shafts, 4 fixing rods, 5 pulleys, 6 fasteners, 7 fixing grooves, 8 rotating pieces, 9 stop levers and 10 magnets.

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.

Example (b): referring to fig. 1-3, including a mounting plate 1, the number of the mounting plate 1 is two sets and parallel corresponding arrangement, the corresponding side wall of the mounting plate 1 is welded with a fixing rod 4, the number of the fixing rods 4 is three sets and is arranged in a triangular structure, the corresponding side wall of the mounting plate 1 is rotatably provided with a pulley 5, the pulley 5 is sleeved with a steel cable, the corresponding side wall of the mounting plate 1 is positioned under the pulley 5 and is rotatably provided with a rotating shaft 3, the rotating shaft 3 is sleeved with a fastener 6, the fastener 6 is rotatably connected with the rotating shaft 3, the bottom end of the fastener 6 is arranged in a cylindrical structure, the outer side of the bottom end of the fastener 6 is rotatably provided with a rotating member 8, the rotating member 8 is arranged in a hollow cylindrical structure, the outer side wall of the rotating member 8 is welded with a stop lever 9, the stop lever 9 is arranged in a rectangular long structure, the stop lever 9 is made of thread steel, the stop lever 9 is obliquely arranged, the bottom end of the fastener 6 is welded with a lifting hook 2, the opening of the lifting hook 2 is matched with the stop lever 9, the inner wall of one side of the opening of the lifting hook 2 is provided with the fixed groove 7, the fixed groove 7 is rectangular, one side wall of the fixed groove 7 is communicated with the outside, the fixed groove 7 is matched with the free end of the stop lever 9, the fixed groove 7 is in sliding connection with the stop lever 9, the magnet 10 is welded and installed in the center of the bottom of the inner side wall of the fixed groove 7, the fixed groove is started on the lifting hook and matched with the stop lever, so that the hanging rope on the lifting hook 2 can be effectively prevented from slipping off from the lifting hook 2 when the device is used, meanwhile, the stop lever 9 in the device is made of a threaded steel material, the structure is firm, the situation that the stop lever 9 is broken in the using process can be effectively avoided, the use safety of the device is greatly improved, the structure that the magnet 7 is matched with the fixed groove 10 to be clamped is arranged in the position, and the situation that the stop lever 9 freely slips off is effectively avoided, greatly improving the practicability of the device.

When in use: when the device began to use, established fixed lifting hook 2 with the cable wire of its tower machine and pulley 5 cover, when lifting hook 2 need carry out the operation this moment, the user caused pin 9 and fixed slot 7 separation through rotating the rotation piece 8 on the lifting hook 2, placed the goods that it need collude to hang in lifting hook 2 this moment, and the user rotated rotation piece 8 this moment and caused pin 9 to get into in fixed slot 7 and adsorb with magnetite 10, and the tower machine can lift the goods this moment.

In summary, the following steps: this be used for tower machine lifting hook anticreep rope structure, through the use that begins the fixed slot and cooperate the pin on the lifting hook, make the device when using, can effectually guarantee 2 last string of rope of lifting hook can not follow landing in the lifting hook 2, simultaneously the device in the pin 9 adopt the screw-thread steel material, and is sturdy in structure, can effectually avoid the pin 9 the cracked condition to appear in the use, thereby the safety in utilization of device has been improved greatly, and the device position fixed slot 7 cooperates magnetite 10 to carry out the structure of joint, the effectual condition of freely landing of having avoided the pin 9 to appear, the practicality of device is greatly improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 be used for tower machine lifting hook anticreep rope structure, including mounting panel (1), a serial communication port, the quantity of mounting panel (1) is two sets of and parallel corresponding setting, the corresponding lateral wall welded mounting of mounting panel (1) has dead lever (4), the corresponding lateral wall of mounting panel (1) rotates and installs pulley (5), the corresponding lateral wall of mounting panel (1) is located pulley (5) under and rotates and installs pivot (3), pivot (3) are gone up the cover and are installed fastener (6), fastener (6) rotate with pivot (3) and are connected the setting, the bottom outside of fastener (6) rotates and installs rotation piece (8), rotation piece (8) are hollow cylinder structure setting, the lateral wall welded mounting of rotation piece (8) has pin (9), pin (9) are the setting of rectangular strip form structure, hook (2) are installed in the bottom welding of fastener (6), the opening part and the pin (9) phase-match of lifting hook (2), fixed slot (7) have been seted up to one side inner wall of lifting hook (2) opening part, and free end looks matching of fixed slot (7) and pin (9), fixed slot (7) and pin (9) sliding connection set up, and magnetite (10) are installed in the middle department welding of the inside wall bottom of fixed slot (7).

2. The anti-rope-dropping structure for the tower crane lifting hook as claimed in claim 1, wherein the number of the fixing rods (4) is three and the fixing rods are arranged in a triangular structure.

3. The anti-dropping structure for the tower crane lifting hook according to claim 1, characterized in that a steel cable is sleeved on the pulley (5).

4. The anti-dropping structure for the tower crane lifting hook according to claim 1, wherein the bottom end of the fastener (6) is arranged in a cylindrical structure.

5. The anti-drop rope structure for the tower crane lifting hook according to claim 1, wherein the stop lever (9) is made of deformed steel bar, and the stop lever (9) is obliquely arranged.

6. The anti-dropping structure for the tower crane lifting hook according to claim 1, wherein the fixing groove (7) is rectangular and one side wall of the fixing groove (7) is communicated with the outside.