CN211004205U

CN211004205U - Self-locking hoisting mechanism for crane

Info

Publication number: CN211004205U
Application number: CN201921848094.2U
Authority: CN
Inventors: 曹雪; 赵卫东; 冯丽婷
Original assignee: Jilin Wuyun Construction And Installation Co ltd
Current assignee: Jilin Wuyun Construction And Installation Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-14
Anticipated expiration: 2029-10-30

Abstract

The utility model belongs to the technical field of hoisting equipment technique and specifically relates to a hoist is with auto-lock hoisting mechanism, including davit, electric telescopic handle and spacing ring, the davit right side is equipped with the rope, the rope left side is equipped with electric telescopic handle, electric telescopic handle up end and davit fixed connection, electric telescopic handle lower extreme face fixedly connected with mount, the inside fixedly connected with pivot of mount, the pivot outside is equipped with the carriage, the terminal surface is seted up flutedly around the carriage, be equipped with expanding spring inside the recess, the carriage passes through the recess and is connected with the pivot is sliding, the carriage outside and mount sliding connection; the utility model discloses in, spacing ring, mount and expanding spring of setting, and can make the rope rock at the certain limit internal slipping under the effect through spacing ring and carriage, and the expanding spring who sets up has the purpose of adjusting, can prevent effectively that the rope from violently rocking, can place the object in the regulation position fast, improve work efficiency.

Description

Self-locking hoisting mechanism for crane

Technical Field

The utility model relates to an establish hoisting equipment technical field, specifically be a hoist and mount mechanism with auto-lock.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The main characteristics of the crane are: the traveling cab and the crane control cab are combined into a whole and are evolved by the crawler crane, the crawler and the traveling support part of the traveling mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane damages the road surface is overcome, the crawler crane belongs to material handling machinery, and the application of the crane is increasingly wide along with the development of the society, so that the demand on the self-locking hoisting mechanism for the crane is increasingly increased.

The mode that most hoist all mostly adopt the couple carries out hoist and mount work in the existing market, and current couple most does not have safeguard measure, the article has the problem of unhook, there is self-locking function in addition, but its baffle is just a paster, there is easy both sides bending around to the deformation in the long-time use, can not realize with the purpose of lifting hook block, there is certain potential safety hazard, hoist in addition when hoisting the article, can appear the condition that the rope acutely rocked, firstly there is certain potential safety hazard, secondly be difficult for placing the article in the regulation position, work efficiency is low, therefore, propose a hoist and mount mechanism for hoist to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist and mount mechanism with auto-lock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a self-locking hoisting mechanism for a crane comprises a suspension arm, a rope, an electric telescopic rod and a limiting ring, wherein the rope is arranged on the right side of the suspension arm, the electric telescopic rod is arranged on the left side of the rope, the upper end surface of the electric telescopic rod is fixedly connected with the suspension arm, the lower end surface of the electric telescopic rod is fixedly connected with a fixing frame, a rotating shaft is fixedly connected inside the fixing frame, a sliding frame is arranged on the outer side of the rotating shaft, grooves are formed in the front end surface and the rear end surface of the sliding frame, telescopic springs are arranged inside the grooves, the sliding frame is slidably connected with the rotating shaft through the grooves, the outer side of the sliding frame is slidably connected with the fixing frame, the limiting ring is fixedly connected to the right end surface of the sliding frame, the rope is arranged on the inner side of the, the inside spacing spring that all is equipped with of spout, the equal fixedly connected with sliding shaft of terminal surface around the lifting hook, the sliding shaft passes through spout and sliding frame sliding connection.

Preferably, the number of the limiting springs is two, the limiting springs are symmetrically arranged around the center of the lifting hook, the left end face of each limiting spring is fixedly connected with the corresponding sliding frame, and the right end face of each limiting spring is fixedly connected with the corresponding sliding shaft.

Preferably, the expanding spring left end face and pivot fixed connection, the expanding spring right-hand member face and carriage fixed connection, the recess left side is the arc setting.

Preferably, the inner side of the right end face of the sliding frame is fixedly connected with a rubber pad, and the stop block is positioned on the left side of the sliding frame.

Preferably, the inner diameter of the limiting ring is 1.3 times of the outer diameter of the rope, and the electric telescopic rod and the rope are in the same plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the rope can shake violently when the crane hoists the object through the limiting ring, the sliding frame, the groove, the rotating shaft, the fixing frame and the expansion spring, and the rope can shake in a certain range under the action of the limiting ring and the sliding frame;

2. the utility model discloses in, through spacing spring, spout, sliding shaft, dog and the rubber pad that sets up, setting through the sliding frame can make the dog be in the coplanar with the lifting hook always, guarantees that its dog can not move to both sides around the lifting hook, guarantees that its dog is in the purpose that blocks always during the use, realizes self-locking function, and sliding frame and dog fixed connection guarantee that it can not break away from with the lifting hook, and the setting of rubber pad guarantees that the sliding frame can not take place violent collision with the lifting hook, guarantees device normal use.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the sliding frame structure of the present invention.

In the figure: 1-suspension arm, 2-rope, 3-electric telescopic rod, 4-limit ring, 5-sliding rack, 6-groove, 7-rotating shaft, 8-fixing rack, 9-telescopic spring, 10-sliding frame, 11-limit spring, 12-sliding chute, 13-sliding shaft, 14-stop block, 15-rubber pad and 16-lifting hook.

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. 1-4, the present invention provides a technical solution:

a self-locking hoisting mechanism for a crane comprises a hoisting arm 1, a rope 2, an electric telescopic rod 3 and a limiting ring 4, wherein the rope 2 is arranged on the right side of the hoisting arm 1, the electric telescopic rod 3 is arranged on the left side of the rope 2, the upper end surface of the electric telescopic rod 3 is fixedly connected with the hoisting arm 1, the lower end surface of the electric telescopic rod 3 is fixedly connected with a fixed frame 8, a rotating shaft 7 is fixedly connected inside the fixed frame 8, a sliding frame 5 is arranged on the outer side of the rotating shaft 7, grooves 6 are formed in the front end surface and the rear end surface of the sliding frame 5, an expansion spring 9 is arranged inside the groove 6, the expansion spring 9 has good buffering effect, the sliding frame 5 is ensured to slide left and right, the sliding frame 5 is ensured not to be easily collided violently, the sliding frame 5 is slidably connected with the, spacing ring 4 can carry on spacingly to rope 2, has the effect that prevents rope 2 fast and rock, makes things convenient for its hoist can put in the object fast, guarantees that the object can accurately fall into fixed position, 4 inboards of spacing ring are equipped with rope 2, terminal surface fixedly connected with lifting hook 16 under

rope

2, 16 inboard rotations of lifting hook are connected with dog 14, and the condition of unhook can effectively be avoided to dog 14, and the assurance device can normal use, dog 14 right side is rotated and is connected with sliding frame 10, spout 12 has all been seted up to the preceding rear end face of sliding frame 10, and the normal horizontal slip of sliding frame 10 is guaranteed in setting up of spout 12, and assurance device normal use, the inside spacing spring 11 that all is equipped with of spout 12, the equal fixedly connected with sliding shaft 13 of terminal surface around lifting hook 16, sliding shaft 13 passes through spout 12 and sliding frame 10 sliding connection.

The number of the limiting springs 11 is two, the limiting springs 11 are symmetrically arranged around the center of the lifting hook 16, the left end face of each limiting spring 11 is fixedly connected with the sliding frame 10, the right end face of each limiting spring 11 is fixedly connected with the sliding shaft 13, each limiting spring 11 has a good shock absorption effect, the sliding frame 10 can only rock left and right under the condition that an object is conveniently hung on the lifting hook, the stop block 14 is ensured not to bend towards the front side and the back side of the lifting hook 16, the object is prevented from unhooking, the left end face of each telescopic spring 9 is fixedly connected with the rotating shaft 7, the right end face of each telescopic spring 9 is fixedly connected with the sliding frame 5, each telescopic spring 9 has a certain shock absorption purpose, even if the rope 2 rocks violently, the sliding frame 5 cannot be easily damaged, the left side of the groove 6 is arranged in an arc shape, and the arrangement ensures that the left end, the rubber pad 15 is fixedly connected to the inner side of the right end face of the sliding frame 10, the rubber pad 15 is arranged to ensure that the sliding frame 10 is not easy to damage, the stopper 14 is located on the left side of the sliding frame 10, the stopper 14 cannot move towards the front side and the rear side of the lifting hook 16 due to the arrangement, the purpose that the stopper 14 always has limiting and self-locking is ensured, the inner diameter of the limiting ring 4 is 1.3 times of the outer diameter of the rope 2, the rope 2 can freely slide up and down due to the arrangement, the limiting ring 4 has a certain limiting effect, and the electric telescopic rod 3 and the rope 2 are located on the same plane.

The model of the electric telescopic rod 3 is FS L40 electric telescopic rod.

The working process is as follows: when the crane is used, a power supply is switched on, when the crane is started, the suspension arm 1 stretches outwards, then the lifting hook 16 of the crane hangs objects by placing the rope 2, in the use process, the stop block 14 cannot be separated from the lifting hook 16 under the action of the sliding frame 14, meanwhile, under the action of the sliding frame 14, the lifting hook 16 and the stop block 14 are constantly positioned on the same plane, even if the stop block 14 deforms, the stop block 14 cannot move towards the front side and the back side, the crane still has a good self-locking function and prevents the objects from unhooking, under the action of the limiting spring 11, the sliding frame 10 can always support the left side of the stop block 14 to be contacted with the lifting hook 16 to avoid the separation, and the situation that the rope 2 shakes inevitably occurs in the hoisting process, the electric telescopic rod 3 is started to drive the fixing frame 8 to move downwards, the fixing frame 8 drives the sliding frame 5 to move downwards, the sliding frame 5 drives the limiting ring 4 to move, the realization is to the spacing purpose of rope 2, and sliding frame 5 can the horizontal slip under expanding spring 9's effect, has certain regulating power, and this kind of setting can be fast with the rope that rocks stably getting off, makes things convenient for the article can be accurately put in, has saved the time, and electric telescopic handle 3 resets when not using, can not influence its normal operating.

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 hoist is with auto-lock hoisting machine constructs, includes davit (1), rope (2), electric telescopic handle (3) and spacing ring (4), its characterized in that: the lifting arm is characterized in that a rope (2) is arranged on the right side of the lifting arm (1), an electric telescopic rod (3) is arranged on the left side of the rope (2), the upper end face of the electric telescopic rod (3) is fixedly connected with the lifting arm (1), a fixing frame (8) is fixedly connected with the lower end face of the electric telescopic rod (3), a rotating shaft (7) is fixedly connected inside the fixing frame (8), a sliding frame (5) is arranged on the outer side of the rotating shaft (7), grooves (6) are formed in the front end face and the rear end face of the sliding frame (5), a telescopic spring (9) is arranged inside each groove (6), the sliding frame (5) is slidably connected with the rotating shaft (7) through each groove (6), the outer side of the sliding frame (5) is slidably connected with the fixing frame (8), a limiting ring (4) is fixedly connected with the right end face of the sliding frame (5, lifting hook (16) inboard is rotated and is connected with dog (14), dog (14) right side is rotated and is connected with sliding frame (10), spout (12) have all been seted up to terminal surface around sliding frame (10), spout (12) inside all is equipped with spacing spring (11), terminal surface equal fixedly connected with sliding shaft (13) around lifting hook (16), sliding shaft (13) are through spout (12) and sliding frame (10) sliding connection.

2. The self-locking hoisting mechanism for the crane according to claim 1, characterized in that: spacing spring (11) quantity is two, and spacing spring (11) are the front and back symmetry setting about lifting hook (16) center, spacing spring (11) left end face and sliding frame (10) fixed connection, spacing spring (11) right-hand member face and sliding shaft (13) fixed connection.

3. The self-locking hoisting mechanism for the crane according to claim 1, characterized in that: expanding spring (9) left end face and pivot (7) fixed connection, expanding spring (9) right-hand member face and carriage (5) fixed connection, recess (6) left side is the arc setting.

4. The self-locking hoisting mechanism for the crane according to claim 1, characterized in that: the inner side of the right end face of the sliding frame (10) is fixedly connected with a rubber pad (15), and the stop block (14) is located on the left side of the sliding frame (10).

5. The self-locking hoisting mechanism for the crane according to claim 1, characterized in that: the inner diameter of the limiting ring (4) is 1.3 times of the outer diameter of the rope (2), and the electric telescopic rod (3) and the rope (2) are located on the same plane.