CN213475256U

CN213475256U - Pulley assembly of light crane

Info

Publication number: CN213475256U
Application number: CN202121078756.XU
Authority: CN
Inventors: 高恒善; 陈会兵; 王绍卿; 郑胜彪
Original assignee: Henan Ouketai Lifting Machinery Co ltd
Current assignee: Henan Ouketai Lifting Machinery Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-06-18
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a light crane's loose pulley assembly relates to light crane technical field. The utility model discloses a pulley shell, pulley, anti-disengaging mechanism and drive assembly, pulley shell's right side is fixed with the drive assembly who drives anti-disengaging mechanism, the pulley rotates in pulley shell's inside, the below of pulley is provided with the anti-disengaging mechanism who is used for preventing the wire rope anticreep, anti-disengaging mechanism includes slip shell, locating wheel, dead lever, deflector, T type elastic rod and buffer assembly, the dead lever inlays in the inside of slip shell, the outside of dead lever is rotated there is the locating wheel, the deflector inlays in the middle part of dead lever, the inside slip of deflector has T type elastic rod. The utility model discloses a T type elastic rod cooperates with the buffering subassembly for wire rope is difficult for deviating from in the pulley, thereby makes wire rope more steady when using, has improved the security, and this mechanism simple structure, the practicality is higher.

Description

Pulley assembly of light crane

Technical Field

The utility model relates to a light crane technical field specifically is a light crane's loose pulley assembly.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes.

In the prior art, when a crane is used, a steel wire rope is always in a state of 'moving-static-moving', so that the stability of the steel wire rope in a pulley is reduced, and the steel wire rope is easy to be separated from a groove.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a light crane's loose pulley assembly has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a light crane's loose pulley assembly, includes pulley shell, pulley, anti-disengaging mechanism and drive assembly, the right side of pulley shell is fixed with the drive assembly who drives anti-disengaging mechanism, the pulley rotates in the inside of pulley shell, the below of pulley is provided with the anti-disengaging mechanism who is used for preventing the wire rope anticreep, anti-disengaging mechanism includes slip shell, locating wheel, dead lever, deflector, T type elastic rod and buffering subassembly, the dead lever inlays the inside in the slip shell, the outside of dead lever is rotated there is the locating wheel, the deflector inlays the middle part in the dead lever, the inside slip of deflector has T type elastic rod, the bottom of T type elastic rod articulates there is buffering subassembly.

Preferably, the buffering assembly comprises an I-shaped rod, two buffering springs, two sliding blocks and a connecting rod, the two sliding blocks slide on the outer side of the I-shaped rod, the springs are fixed on the opposite sides of the two sliding blocks, one end of the connecting rod is hinged to the front face of the sliding block, and the other end of the connecting rod is hinged to the bottom of the T-shaped elastic rod.

Preferably, the driving assembly comprises a threaded block, a threaded rod and a driving shell, the threaded rod rotates inside the driving shell, and the outer side of the threaded rod is connected with the threaded block in a threaded mode.

Preferably, the thread block is embedded in the right side of the sliding shell.

Preferably, the sliding housing slides inside the pulley housing.

Preferably, the top of the T-shaped elastic rod is provided with a groove.

(III) advantageous effects

The utility model provides a loose pulley assembly of light crane. The method has the following beneficial effects:

(1) the utility model discloses a T type elastic rod cooperates with the buffering subassembly for wire rope is difficult for deviating from in the pulley, thereby makes wire rope more steady when using, has improved the security, and this mechanism simple structure, the practicality is higher.

(2) The utility model discloses a T type elastic rod cooperates with the buffering subassembly for wire rope is difficult for deviating from in the pulley, thereby makes wire rope more steady when using, has improved the security, and this mechanism simple structure, the practicality is higher.

Drawings

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

FIG. 2 is a front view of the anti-slip mechanism of the present invention;

fig. 3 is a front view of the buffering assembly of the present invention.

In the figure: 1. a pulley housing; 2. a pulley; 3. an anti-drop mechanism; 31. a sliding shell; 32. positioning wheels; 33. fixing the rod; 34. a guide plate; 35. a T-shaped elastic rod; 36. a buffer assembly; 361. an I-shaped rod; 362. a buffer spring; 363. a slider; 364. a connecting rod; 4. a drive assembly; 41. a thread block; 42. a threaded rod; 43. the housing is driven.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pulley component of a light crane comprises a pulley shell 1, a pulley 2, an anti-disengaging mechanism 3 and a driving component 4, wherein the driving component for driving the anti-disengaging mechanism 3 is fixed on the right side of the pulley shell 1, the driving component 4 comprises a thread block 41, a threaded rod 42 and a driving shell 43, the threaded rod 42 rotates inside the driving shell 43, the outer side of the threaded rod 42 is in threaded connection with the thread block 41, the thread block 41 is embedded and fixed on the right side of a sliding shell 31, the anti-disengaging mechanism 3 is driven by the driving component 4 to lean against the pulley 2, so that a steel wire rope is convenient to install, meanwhile, the anti-disengaging mechanism 3 can effectively prevent the steel wire rope from disengaging, the pulley 2 rotates inside the pulley shell 1, the anti-disengaging mechanism 3 for preventing the steel wire rope from disengaging is arranged below the pulley 2, the anti-disengaging mechanism 3 comprises the sliding shell 31, a positioning wheel 32, a fixing rod 33, a, the sliding shell 31 slides in the pulley shell 1, the fixing rod 33 is embedded in the sliding shell 31, the positioning wheel 32 is rotated outside the fixing rod 33, the positioning wheel 32 is arranged to be matched with the pulley 2, so that the position of the anti-falling mechanism 3 can be limited, the anti-falling mechanism 3 can stably operate, the guide plate 34 is embedded in the middle of the fixing rod 33, the T-shaped elastic rod 35 slides in the guide plate 34, the top of the T-shaped elastic rod 35 is provided with a groove, the T-shaped elastic rod 35 can better contact with the steel wire rope through the arrangement of the groove in the top of the T-shaped elastic rod 35, and the position of the steel wire rope is limited, the bottom of the T-shaped elastic rod 35 is hinged with a buffer component 36, the T-shaped elastic rod 35 is matched with the buffer component 36, so that the steel wire rope is not easy to be separated from the pulley 2, the steel wire rope is more stable when in use, and, the mechanism is simple in structure and high in practicability.

Buffer unit 36 includes I type pole 361, buffer spring 362, slider 363 and connecting rod 364, slider 363 has two, two sliders 363 slide in the outside of I type pole 361, the relative one side of slider 363 is fixed with the spring, the one end of connecting rod 364 is articulated with the front of slider 363, the other end of connecting rod 364 is articulated with T type elastic rod 35's bottom, setting through buffer unit 36, the vibrational force that makes wire rope produce can be cushioned, when having avoided wire rope to use, the problem of breaking away from the pulley, the anticreep rope effect is stronger, the potential safety hazard when reducing the jack-up.

The during operation (or during the use), install wire rope on pulley 2, clockwise rotation threaded rod 42, threaded rod 42 drives screw block 41 rebound, screw block 41 drives sliding housing 31 and leans on to pulley 2, until locating wheel 32 and the laminating of pulley 2, T type elastic rod 35 can paste tightly with wire rope simultaneously, and self-adaptation wire rope's size under its spring action, when taking place the vibration in the wire rope use, under the effect of buffer assembly 36, make the vibrational force that wire rope produced can obtain the buffering, when having avoided wire rope to use, the problem that breaks away from the pulley, anticreep rope effect is stronger, potential safety hazard when reducing the jack-up.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a light crane's loose pulley assembly, includes pulley shell (1), pulley (2), anti-disengaging mechanism (3) and drive assembly (4), the right side of pulley shell (1) is fixed with drive assembly (4) that drive anti-disengaging mechanism (3), pulley (2) rotate in the inside of pulley shell (1), the below of pulley (2) is provided with anti-disengaging mechanism (3) that are used for preventing wire rope from taking off the groove, its characterized in that: anti-disengaging mechanism (3) are including slip shell (31), locating wheel (32), dead lever (33), deflector (34), T type elastic rod (35) and buffering subassembly (36), dead lever (33) are inlayed in the inside of slip shell (31), the outside of dead lever (33) is rotated and is had locating wheel (32), deflector (34) are inlayed in the middle part of dead lever (33), the inside slip of deflector (34) has T type elastic rod (35), the bottom of T type elastic rod (35) articulates there is buffering subassembly (36).

2. A sheave assembly for a light weight crane as defined in claim 1 wherein: the buffer assembly (36) comprises an I-shaped rod (361), a buffer spring (362), two sliding blocks (363) and connecting rods (364), wherein the two sliding blocks (363) slide on the outer side of the I-shaped rod (361), the springs are fixed on the opposite sides of the sliding blocks (363), one end of each connecting rod (364) is hinged to the front face of each sliding block (363), and the other end of each connecting rod (364) is hinged to the bottom of the T-shaped elastic rod (35).

3. A sheave assembly for a light weight crane as defined in claim 1 wherein: the drive assembly (4) comprises a thread block (41), a thread rod (42) and a drive shell (43), wherein the thread rod (42) rotates inside the drive shell (43), and the outer side of the thread rod (42) is in threaded connection with the thread block (41).

4. A sheave assembly for a light weight crane as defined in claim 3 wherein: the thread block (41) is embedded and fixed on the right side of the sliding shell (31).

5. A sheave assembly for a light weight crane as defined in claim 1 wherein: the sliding shell (31) slides in the pulley shell (1).

6. A sheave assembly for a light weight crane as defined in claim 1 wherein: the top of the T-shaped elastic rod (35) is provided with a groove.