CN219670019U

CN219670019U - Stable cantilever crane

Info

Publication number: CN219670019U
Application number: CN202320399660.6U
Authority: CN
Inventors: 胡丹华
Original assignee: Huangshi Huashun Electromechanical Co ltd
Current assignee: Huangshi Huashun Electromechanical Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-12
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a stable cantilever crane, which comprises a stand column, a rotary column, an electric hoist and a rotary cantilever, wherein the stand column and the rotary column are connected in a rotating way, the electric hoist and the rotary cantilever are connected in a movable way, one end of the rotary cantilever and the side face of the rotary column are of an integrated structure, the outer side of the top end of the stand column is provided with a stabilizing device, the stabilizing device comprises a fixed cylinder and a rotary ring which are coaxially arranged on the outer side of the stand column, a fixed ring disc which is coaxially arranged on the outer side of the bottom end of the rotary column, and a limiting block and a damping spring which are arranged between the rotary ring and the fixed ring disc, and the side face of the rotary ring is provided with a supporting component; the rotating column at the end part of the rotating cantilever is acted by the weight of a suspended object and when the micro-level is inclined, the inclined fixed ring disk acts on the damping spring, the contracted damping spring can generate elasticity, the elasticity counteracts the acting force exerted by the fixed ring disk, the inclination of the rotating column and the fixed ring disk is avoided, the rotating column is vertical and stable, the elasticity of the compression spring counteracts the acting force exerted by the inclined telescopic rod, and the rotating cantilever is kept stable when horizontal.

Description

Stable cantilever crane

Technical Field

The utility model belongs to the technical field of industrial components, and particularly relates to a stable cantilever crane.

Background

The cantilever crane is an industrial part belonging to a light working strength crane, the main structure of the cantilever crane consists of a stand column, a rotary arm and an electric hoist, the stand column of the cantilever crane is usually installed on a concrete foundation by an anchor bolt, the cantilever crane is stable to install, the cantilever crane has various types, and the fixed-column cantilever crane is one of the cantilever cranes.

One end of a rotary cantilever of the fixed column type cantilever crane is connected with a stand column, the other end of the rotary cantilever is suspended, an electric hoist suspends an object and moves on the rotary cantilever, the suspended end of the rotary cantilever is subjected to the gravity action of the suspended object, the suspended end of the rotary cantilever is subjected to downward acting force, and the rotary cantilever connected with the stand column has a skew trend, so that the friction force between the rotary cantilever and the stand column can be increased, and the smoothness of rotation of the rotary cantilever is further influenced;

the existing rotary cantilever has the problems that the suspension end is affected by the gravity of suspended objects, the rotary cantilever is unstable and has a skew trend, and the friction between the rotary cantilever and a stand column is increased.

Disclosure of Invention

The utility model aims to provide a stable cantilever crane, which solves the problems that the suspended end of a rotary cantilever is affected by the gravity of a suspended object and the rotary cantilever is unstable and has a skew tendency in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a stable form cantilever crane, includes stand and column, swing joint's electric hoist and the rotary cantilever that rotate the connection, the one end and the column side of rotary cantilever are integrated into one piece structure, the outside on stand top is equipped with stabilising arrangement, stabilising arrangement includes fixed cylinder and the swivel in the stand outside, coaxial mounting is in the solid fixed ring dish in column bottom outside, and install stopper and damping spring between swivel, solid fixed ring dish, gu fixed ring dish pass through bolt fixed connection with the column, damping spring's top and stopper fixed connection, damping spring's bottom and swivel fixed connection, the side of swivel is equipped with supporting component, supporting component is including installing supporting shoe in the swivel side, installing pole, fixed connection's telescopic link and the firm arm at the rotary cantilever top, and the compression spring in the telescopic link bottom outside is established to the cover.

Preferably, the fixed cylinder is arranged on the outer side of the top end of the upright post, the swivel is connected with the fixed cylinder through a bearing, and the fixed ring disc is coaxial with the swivel.

Preferably, the circular groove is formed in the bottom of the fixed ring disc, the limiting block is matched with the circular groove, the bottom end of the damping spring is embedded into the surface of the top end of the swivel, and the top end of the damping spring is embedded into the surface of the bottom end of the fixed ring disc.

Preferably, the telescopic link includes a positioning cylinder and a positioning cylinder connected with the installation pole fixed connection, compression spring cover is established in the positioning cylinder outside, the firm arm is "L" structure, the tip fixed connection of firm arm and supporting shoe.

Preferably, the top surface of the rotary cantilever is provided with a mounting plate, a reinforcing arm is arranged between the mounting plate and the supporting block, the bottom end of the reinforcing arm is arranged at a position, close to the stabilizing arm, on the supporting block, and the stabilizing arm is connected with the reinforcing arm through a pin shaft.

Preferably, the top surface of column spinner is equipped with firm roof beam, the top surface of rotary cantilever is equipped with buffer unit, buffer unit includes firm board, screw thread of firm roof beam fixed connection closes slide bar and the fastening plate of being connected to and the cover is established the buffer spring in the slide bar outside.

Preferably, the stabilizing beam is of an L-shaped structure, the stabilizing plate is of a U-shaped structure, the sliding rod is of a T-shaped structure, and two ends of the buffer spring are respectively connected with the end part of the sliding rod and the stabilizing plate.

Preferably, the stabilizing beam is provided with an inclined reinforcing rod.

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

in the utility model, when the rotating column at the end part of the rotating cantilever is acted by the weight of a suspended object and is inclined at a micro level, the inclined fixed ring disk acts on the damping spring, the contracted damping spring can generate elasticity, the elasticity is counteracted with the acting force exerted by the fixed ring disk, the inclination of the rotating column and the fixed ring disk is avoided, the rotating column is vertical and stable, the elasticity of the compression spring is counteracted with the acting force exerted by the inclined telescopic rod, and the rotating cantilever is kept stable when horizontal.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic side view of a stabilizer plate according to the present utility model;

in the figure: 1. a column; 2. rotating the cantilever; 3. an electric hoist; 4. a mounting plate; 5. a reinforcing arm; 6. stabilizing the beam; 7. a buffer assembly; 8. a spin column; 9. a fixed cylinder; 10. a swivel; 11. a telescopic rod; 12. a limiting block; 13. a damping spring; 21. a mounting rod; 51. a stabilizing arm; 71. a stabilizing plate; 72. a slide bar; 73. a fastening plate; 74. a buffer spring; 81. a fixed ring disk; 101. a support block; 111. compressing the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a stable cantilever crane comprises an upright column 1, a rotary column 8, an electric hoist 3 and a rotary cantilever 2, wherein when in use, the electric hoist 3 moves along the length direction of the rotary cantilever 2, a lifting hook on the electric hoist 3 suspends an article, and the rotary cantilever 2 rotates to move the suspended article so as to be convenient for transportation; when the rotary column 8 at the end part of the rotary cantilever 2 is acted by the weight of a suspended object and is inclined at a micro level, the fixed annular disc 81 at the bottom end of the rotary column 8 is inclined, the damping springs 13 at the top of the rotary ring 10 are uniformly distributed, the inclined fixed annular disc 81 acts on the damping springs 13, the damping springs 13 are in a contracted state, the contracted damping springs 13 generate elasticity, and the elasticity is counteracted with the acting force exerted by the fixed annular disc 81, so that the rotary column 8 and the fixed annular disc 81 are prevented from being inclined, and the rotary column 8 is vertically and stably; when the rotary cantilever 2 is subjected to the weight of a suspended object and the micro-level is inclined, the mounting plate 4 and the reinforcing arm 5 are fixedly connected, the mounting rod 21 is fixedly connected with the telescopic rod 11, the mounting plate 4, the mounting rod 21 and the rotary cantilever 2 are fixedly connected, the stabilizing arm 51, the supporting block 101 and the swivel 10 are kept stable in the vertical direction, the reinforcing arm 5 and the stabilizing arm 51 are rotationally connected through a pin shaft, when the rotary cantilever 2, the reinforcing arm 5 and the telescopic rod 11 are inclined as a whole at the micro-level, the compression spring 111 is in a contracted state, and the elastic force of the compression spring 111 and the acting force exerted by the inclination of the telescopic rod 11 counteract each other, so that the rotary cantilever 2 is kept stable when horizontal; when the rotating cantilever 2 is subjected to the weight action of suspended objects and the micro-level is inclined, the fastening plate 73 is fixedly connected with the rotating cantilever 2 through bolts, the fastening plate 73 is inclined along with the rotating cantilever 2, one end of the stabilizing beam 6 is fixedly connected with the rotating column 8, the sliding rod 72 is pulled when the rotating cantilever 2 is inclined at the micro-level, the buffer spring 74 is compressed, the rotating cantilever 2 is changed into the elastic force of the buffer spring 74 by the downward inclined acting force, the rotating cantilever 2 is kept stable, the inclination of the rotating column 8 at the end part of the rotating cantilever 2 is avoided, the friction force between the rotating column 8 and the upright column 1 is further increased, and the smoothness of the rotation of the rotating cantilever 2 is affected.

In summary, when the rotating column 8 at the end of the rotating cantilever 2 receives the weight of the suspended object and deflects at a micro level, the deflected fixed annular disc 81 acts on the damping spring 13, the contracted damping spring 13 generates elastic force, the elastic force counteracts the acting force exerted by the fixed annular disc 81, so as to avoid the deflection of the rotating column 8 and the fixed annular disc 81, and make the rotating column 8 vertically stable, and the elastic force of the compression spring 111 counteracts the acting force exerted by the deflection of the telescopic rod 11, so that the rotating cantilever 2 is kept stable when horizontal;

the downward deflection acting force of the rotary cantilever 2 becomes the elasticity of the buffer spring 74, so that the deflection of the rotary cantilever 2 is avoided, the deflection of the rotary column 8 at the end part of the rotary cantilever 2 is caused, and the friction between the rotary column 8 and the upright column 1 is further increased, and the smoothness of the rotation of the rotary cantilever 2 is affected.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein 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 stable cantilever crane, includes stand (1) and column spinner (8) that rotate the connection, swing joint's electric hoist (3) and rotary cantilever (2), the one end and the column spinner (8) side of rotary cantilever (2) are integrated into one piece structure, its characterized in that: the outside on stand (1) top is equipped with stabilising arrangement, stabilising arrangement includes fixed section of thick bamboo (9) and swivel (10) in the stand (1) outside, coaxial mounting in fixed ring dish (81) in swivel post (8) bottom outside to and install stopper (12) and damping spring (13) between swivel (10), fixed ring dish (81), the side of swivel (10) is equipped with supporting component, supporting component is including installing supporting shoe (101) in swivel (10) side, install installation pole (21) at swivel cantilever (2) top, fixed connection's telescopic link (11) and firm arm (51) to and compression spring (111) of cover in the telescopic link (11) bottom outside.

2. A stable cantilever crane according to claim 1, wherein: the fixed cylinder (9) is arranged on the outer side of the top end of the upright post (1), the swivel (10) is connected with the fixed cylinder (9) through a bearing, and the fixed ring disc (81) is coaxial with the swivel (10).

3. A stable cantilever crane according to claim 1, wherein: the bottom of the fixed ring disc (81) is provided with a circular groove, the limiting block (12) is matched with the circular groove, the bottom end of the damping spring (13) is embedded into the surface of the top end of the swivel (10), and the top end of the damping spring (13) is embedded into the surface of the bottom end of the fixed ring disc (81).

4. A stable cantilever crane according to claim 1, wherein: the telescopic rod (11) comprises a positioning cylinder fixedly connected with the mounting rod (21) and a positioning cylinder connected with the stabilizing arm (51), the compression spring (111) is sleeved outside the positioning cylinder, the stabilizing arm (51) is of an L-shaped structure, and one end of the stabilizing arm (51) is fixedly connected with the end part of the supporting block (101).

5. A stable cantilever crane according to claim 1, wherein: the top surface of rotary cantilever (2) is equipped with mounting panel (4), be equipped with between mounting panel (4) and supporting shoe (101) and strengthen arm (5), the bottom of strengthening arm (5) is installed and is close to the position of stabilizing arm (51) on supporting shoe (101), be connected through the round pin axle between stabilizing arm (51) and strengthening arm (5).

6. A stable cantilever crane according to claim 1, wherein: the top surface of column spinner (8) is equipped with firm roof beam (6), the top surface of rotary cantilever (2) is equipped with buffer unit (7), buffer unit (7) include with firm roof beam (6) fixed connection's firm board (71), screw thread closes slide bar (72) and fastening plate (73) of being connected soon to and cover establish buffer spring (74) in slide bar (72) outside.

7. The stabilized cantilever crane according to claim 6, wherein: the stabilizing beam (6) is of an L-shaped structure, the stabilizing plate (71) is of a U-shaped structure, the sliding rod (72) is of a T-shaped structure, and two ends of the buffer spring (74) are respectively connected with the end part of the sliding rod (72) and the stabilizing plate (71).

8. The stabilized cantilever crane according to claim 7, wherein: and the stabilizing beam (6) is provided with an inclined reinforcing rod.