CN213294427U

CN213294427U - Anti-falling structure of tower crane hook

Info

Publication number: CN213294427U
Application number: CN202021043200.2U
Authority: CN
Inventors: 张士明; 程宝来; 查荣德
Original assignee: Chizhou Huaxing Hoisting Equipment Installation Co ltd
Current assignee: Chizhou Huaxing Hoisting Equipment Installation Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-05-28
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a tower crane lifting hook structure of preventing falling, including the main part seat of hanging, the shock attenuation installation is equipped with the seat of sliding on the main part seat of hanging, the diapire intermediate position department installation of the seat of sliding is equipped with the convex cover, it is equipped with the lifting hook pole to rotate the installation on the convex cover, the bottom of lifting hook pole is equipped with the arc lifting hook of a body structure, the tail end of arc lifting hook sets up to taking the recess barb, be provided with the screw thread on the lifting hook pole, the last movable sleeve of screw thread is established and is installed the anti-drop separation blade, the nut is installed in the cooperation respectively in the both sides of screw thread, the nut of both sides installation setting presss from both sides the active position of tightly fixing the anti-drop separation blade, the. By adopting the technical scheme, the anti-drop device is simple in structure and convenient to assemble and install, the anti-drop blocking piece is arranged on the anti-drop blocking piece of the article hanging end, and the operation and the application are convenient.

Description

Anti-falling structure of tower crane hook

Technical Field

The utility model relates to a tower crane's technical field especially relates to a tower crane lifting hook structure of preventing falling.

Background

The crane hook is used as a common lifting appliance in hoisting machinery, and the lifting hook is mostly of an open structure; in order to avoid the lifting rope from falling off the lifting hook, an elastic buckle is arranged on the hook body of the lifting hook to avoid the lifting rope from falling off the lifting hook, however, the mode not only needs larger elasticity to prevent the falling off, but also the structure causes the internal space of the hook body to be reduced, when a heavy object is taken out, the rope can be taken off only after the elastic buckle is manually pressed, and the operation is very inconvenient; the anti-falling structure brings great obstruction to daily hoisting operation, and therefore the anti-falling structure of the tower crane hook is designed.

SUMMERY OF THE UTILITY MODEL

For solving the defect of the prior art scheme, the utility model discloses a falling-proof structure of tower crane lifting hook.

The utility model discloses a falling-proof structure of a tower crane hook, which comprises a main body hanging seat and a sliding seat, wherein the main body hanging seat is provided with the sliding seat in a damping and installing way, two side walls of the main body hanging seat are symmetrically provided with limiting slide holes, two sides of the top end of the sliding seat are respectively provided with a transverse ear plate of an integrated structure, the transverse ear plates are arranged in the limiting slide holes in a sliding and inserting way, and the transverse ear plates at two sides are connected with the inner bottom wall of the main body hanging seat through a rubber support column in a buffering and supporting way, the rubber support column is sleeved with a spring, a convex sleeve is arranged at the middle position of the bottom wall of the sliding seat, a hook rod is arranged on the convex sleeve in a rotating way, the bottom end of the hook rod is provided with an arc-shaped hook of an integrated structure, the tail end of the arc-shaped hook is provided with a groove barb, a thread is arranged on the hook rod, the nut is installed in the cooperation respectively in the both sides of screw thread, and the nut of both sides installation setting presss from both sides the active position of the tight fixed anti-drop separation blade of clamp, the arc tail end of anti-drop separation blade sets up to protruding chuck, protruding chuck and take the recess barb between the phase-match locking conflict to be connected.

Preferably, a top end integrated structure of the hook rod is provided with an anti-falling ring, and the anti-falling ring is arranged in the opening groove of the convex sleeve in a limiting assembly mode.

Preferably, a U-shaped hanging block is fixedly installed in the middle of the top wall of the main body hanging seat, and two side walls of the U-shaped hanging block are connected with the steel wire rope connector through a hanging pin shaft installed in a rotating fit mode.

Preferably, the bottom surface of the transverse ear plate and the inner bottom wall of the main body hanging seat are respectively provided with an upper ring sleeve and a lower ring sleeve.

Preferably, the upper ring sleeve and the lower ring sleeve are respectively and tightly inserted into the upper end and the lower end of the rubber support.

Preferably, the upper ring sleeve and the lower ring sleeve are respectively arranged in a manner of being abutted against the two ends of the spring.

The beneficial effects are that:

1. the anti-drop separation blade of installation is established to movable sleeve on through the lifting hook pole, and the cover is established and is hung the article and accomplish the back in the arc lifting hook, be convenient for protruding chuck activity to and take between the recess barb phase-match locking conflict to the nut of screw thread both sides cooperation installation presss from both sides tightly fixedly to the active position of anti-drop separation blade, realizes hanging the end anti-drop to the article and blocks the setting.

2. When the hanging end needs to be taken out, the anti-falling blocking piece can be movably rotated only by unlocking the nut fixed by the anti-falling blocking piece clamping, so that the hanging end of the blocking object can be quickly released, the hanging end is convenient to take out and use, and the operation and the application are convenient.

3. And the damping support between the main body hanging seat and the sliding seat is assembled, and under the effect of the common damping support of the rubber support and the spring, the phenomenon that the steel wire rope is broken due to overlarge force when the crane is started is avoided, and the use safety of the crane is improved.

Drawings

Fig. 1 is a schematic structural view of a falling prevention structure of a tower crane hook of the present invention;

fig. 2 is an assembly cross-sectional view of the anti-falling structure of the tower crane hook of the utility model.

Wherein: 1-a main body hanging seat; 2-a sliding seat; 3-limiting slide holes; 4-transverse ear plates; 5-rubber support; 6-a spring; 7-convex sleeve; 8-hook rod, 80-thread; 9-arc hook, 90-barb with groove; 10-anti-falling blocking piece, 100-protruding clamping head; 11-a nut; 12-anti-drop ring; 13-U-shaped hanging block; 14-lifting the pin shaft; 15-wire rope joints; 16-upper ring sleeve; 17-lower ring sleeve.

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 some embodiments of the present invention, not all embodiments; based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses a tower crane lifting hook structure of preventing falling, including main part hanging seat 1, the seat 2 that slides, the shock attenuation installation is equipped with the seat 2 that slides on the main part hanging seat 1, spacing slide opening 3 has been seted up to the symmetry on the both sides wall of main part hanging seat 1, the top both sides of the seat 3 that slides are equipped with the horizontal otic placode 4 of a body structure respectively, horizontal otic placode 4 slides and inserts and establish and install in spacing slide opening 3, and both sides horizontal otic placode 4 all cushion mutually between the inner diapire through rubber prop 5 and main part hanging seat 1 and support and be connected, rubber prop 5 is gone up the cover and is established and install spring 6.

Install respectively on the bottom surface of horizontal otic placode 4, the interior diapire of main part hanging seat 1 and be equipped with ring cover 16, lower ring cover 17, it fastens respectively in ring cover 16, the lower ring cover 17 and inserts the upper and lower both ends of establishing installation rubber support 5, go up between ring cover 16 and the lower ring cover 17 respectively with the both ends inconsistent setting of spring 6, assembly simple to operate, and the rubber support 5 that the shock attenuation set up, spring 6 play the effect that the buffering supported.

The installation of diapire intermediate position department of seat 3 that slides is equipped with convex cover 7, the installation of rotating on the convex cover 7 is equipped with hook pole 8, hook pole 8's bottom is equipped with the arc lifting hook 9 of a body structure, the tail end of arc lifting hook 9 sets up to take recess barb 90, be provided with screw thread 80 on the hook pole 8, screw thread 80 goes up the movable sleeve and establishes and install anti-drop separation blade 10, nut 11 is installed in the cooperation respectively in screw thread 80's both sides, and nut 11 that the both sides installation set up presss from both sides the active position who presss from both sides tight fixed anti-drop separation blade 10, anti-drop separation blade 10's arc tail end sets up to protruding chuck 100, the phase-match locking is contradicted and is connected between protruding chuck 100 and.

The top end integrated structure of the hook rod 8 is provided with an anti-drop ring 12, the anti-drop ring 12 is arranged in the open groove of the convex sleeve 7 in a limiting and assembling mode, and the set anti-drop ring 12 is used for preventing rotation and drop.

The middle position of the top wall of the main body hanging seat 1 is fixedly provided with a U-shaped hanging block 13, and two side walls of the U-shaped hanging block 13 are connected with a steel wire rope connector 15 through a hanging pin shaft 14 which is installed in a rotating fit mode, so that the assembly and installation are convenient.

The utility model is implemented as follows: when the anti-falling hook is used, the object hanging end is sleeved in the arc-shaped lifting hook 9, an operator only needs to movably rotate the anti-falling blocking piece 10 sleeved on the lifting hook rod 8, so that the protruding clamping head 100 can move to be matched with the barb 90 with the groove to be locked and abutted, and the movable position of the anti-falling blocking piece 10 is clamped and fixed by the nuts 11 which are installed at the two sides of the threaded wire 80 in a matched mode, the operation and the application are convenient, the anti-falling blocking piece 10 can block the hanging end of the object for anti-falling use, and when the lifting process shakes, the anti-falling blocking piece 10 is stably assembled and high in blocking strength, and is not easy; in the initial hoisting process of the tower crane through the steel wire rope, the steel wire rope joint 15 is connected with the main body hoisting seat 1 sequentially through the hoisting pin shaft 14 and the U-shaped hoisting block 13, the main body hoisting seat 1 is hoisted, the sliding seat 2 is installed on the main body hoisting seat 1 in a damping sliding mode, and under the effect of common damping support of the rubber support column 5 and the spring 6, the phenomenon that the steel wire rope is broken due to overlarge force at the moment of starting the crane is avoided, and the use safety of the crane is improved. By adopting the technical scheme, the anti-falling blocking piece is movably sleeved on the hook rod, after the arc-shaped hook is sleeved with the hung object, the protruding chuck can be conveniently moved to be matched and locked with the barb with the groove to be abutted against the barb, and the movable position of the anti-falling blocking piece is clamped and fixed by the nut which is matched and installed on the two sides of the threaded wire, so that the anti-falling blocking setting of the hung end of the object is realized; and the damping support between the main body hanging seat and the sliding seat is assembled, and under the effect of the common damping support of the rubber support and the spring, the phenomenon that the steel wire rope is broken due to overlarge force when the crane is started is avoided, and the use safety of the crane is improved.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. A falling prevention structure of a tower crane hook comprises a main body hanging seat (1) and a sliding seat (2), and is characterized in that the sliding seat (2) is arranged on the main body hanging seat (1) in a damping mode, limiting sliding holes (3) are symmetrically formed in two side walls of the main body hanging seat (1), transverse lug plates (4) of an integrated structure are arranged on two sides of the top end of the sliding seat (2) respectively, the transverse lug plates (4) are slidably inserted into the limiting sliding holes (3), the transverse lug plates (4) on two sides are connected with an inner bottom wall of the main body hanging seat (1) in a buffering and supporting mode through rubber pillars (5), springs (6) are installed on the rubber pillars (5) in a sleeved mode, convex sleeves (7) are installed in the middle positions of the bottom walls of the sliding seat (2), hook rods (8) are installed on the convex sleeves (7) in a rotating mode, the bottom of lifting hook pole (8) is equipped with arc lifting hook (9) of a body structure, the tail end of arc lifting hook (9) sets up to take recess barb (90), be provided with screw thread (80) on lifting hook pole (8), the movable sleeve is established and is installed anti-drop separation blade (10) on screw thread (80), nut (11) are installed in the cooperation respectively to the both sides of screw thread (80), and nut (11) that the both sides installation set up press from both sides the active position of tight fixed anti-drop separation blade (10), the arc tail end of anti-drop separation blade (10) sets up to protruding chuck (100), protruding chuck (100) and take between recess barb (90) phase-match locking conflict to be connected.

2. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: the top end integrated structure of the hook rod (8) is provided with an anti-drop ring (12), and the anti-drop ring (12) is arranged in an opening groove of the convex sleeve (7) in a limiting assembly mode.

3. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: the middle position of the top wall of the main body lifting seat (1) is fixedly provided with a U-shaped lifting block (13), and two side walls of the U-shaped lifting block (13) are connected with a steel wire rope connector (15) through lifting pin shafts (14) which are installed in a rotating matching mode.

4. The anti-falling structure of the tower crane hook as claimed in claim 1, wherein: an upper ring sleeve (16) and a lower ring sleeve (17) are respectively arranged on the bottom surface of the transverse ear plate (4) and the inner bottom wall of the main body hanging seat (1).

5. The anti-falling structure of the tower crane hook as claimed in claim 4, wherein: the upper ring sleeve (16) and the lower ring sleeve (17) are respectively fastened and inserted with the upper end and the lower end of the rubber support (5).

6. The anti-falling structure of the tower crane hook as claimed in claim 4, wherein: the upper ring sleeve (16) and the lower ring sleeve (17) are respectively arranged in a way of being abutted against the two ends of the spring (6).