CN212893575U

CN212893575U - Rotary arm crane

Info

Publication number: CN212893575U
Application number: CN202021902425.9U
Authority: CN
Inventors: 韩庆; 韩波; 韩松; 闫永堂; 崔会斌; 韩朝; 付建军; 韩哲; 李莹; 赵洁; 靳好泉
Original assignee: HENAN XINGYUAN CRANE CO Ltd
Current assignee: HENAN XINGYUAN CRANE CO Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-06
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a spiral arm crane, including the base, set up in stand on the base, set up in the spiral arm at stand top, set up in the balancing unit of stand bottom, set up in dolly running gear on the spiral arm, set up in electronic calabash, connection on the dolly running gear the hoist of electronic calabash, the spiral arm with the top of stand is rotated and is connected, balancing unit with the bottom of stand is rotated and is connected. In the use process, the heavy object is hung on the lifting appliance to move, and the balancing device is located at the bottom of the upright column, so that the balance can be effectively carried out, and the stability of the lifting process is improved.

Description

Rotary arm crane

Technical Field

The utility model relates to a hoisting equipment, specific theory has related to a spiral arm hoist.

Background

The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range, and is divided into a bridge crane and a swing arm crane, wherein the bridge crane is a crane device which is transversely erected above a workshop, a warehouse and a stock yard and used for hoisting materials, the shape of the bridge crane is similar to that of a bridge because two ends of the bridge crane are located on a high cement column or a metal support, and a bridge frame of the bridge crane longitudinally runs along rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized for hoisting the materials, and the bridge crane is not hindered by ground equipment. Compared with a bridge crane, the swing arm crane is more flexible, can vertically lift and horizontally carry heavy objects, can also rotate the heavy objects by a certain angle, but the existing swing arm crane is in an inverted L shape, so that the stability of the structure is poor, and the side turning is easy to occur when the crane is lifted.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at providing a radial crane to prior art not enough.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

the utility model provides a spiral arm crane, includes the base, set up in stand on the base, set up in the spiral arm at stand top, set up in the balancing unit of stand bottom, set up in dolly running gear on the spiral arm, set up in electronic calabash on the dolly running gear, connect the hoist of electronic calabash, the spiral arm with the top of stand is rotated and is connected, balancing unit with the bottom of stand is rotated and is connected.

Based on the above, balancing unit includes the balancing weight, set up in the universal wheel of balancing weight bottom, connect the balancing weight with the balancing stand, be provided with locking mechanism on the universal wheel.

Based on the above, the balancing stand is a scissors-shaped telescopic stand, one end of the scissors-shaped telescopic stand is connected with the balancing weight, and the other end of the scissors-shaped telescopic stand is connected with the bottom of the upright post through a planetary gear set.

Based on the above, the scissors telescopic frame comprises the hydraulic driving assembly and a plurality of crossed scissors short arms, and any two adjacent scissors short arms are hinged.

Based on the above, the orthographic projection of the radial arm and the balancing device are located on the same straight line.

Based on the above, the top of stand sets up driving motor, driving motor's output shaft passes through drive assembly and connects the one end of spiral arm.

Based on the above, the hoist is including connecting the lifting hook of electric block output, the bearing platform that is used for placing the heavy object, evenly set up a plurality of lugs on the bearing platform, each wear to be equipped with in the lug and lift by crane the chain, the upper end that lifts by crane the chain sets up rings, rings with the lifting hook cooperatees.

Based on the above, set up the torsional spring on the articulated spacing post of arc upper end and the articulated shaft of lifting hook, the free end of spacing post corresponds the arc pointed end of lifting hook sets up the draw-in groove.

Based on the above, the bearing platform is rectangular, four sides of the bearing platform are respectively hinged with a guard rail, and L-shaped hanging columns and hanging grooves which are matched with each other are arranged between every two adjacent guard rails.

Based on the above, the lower part of the trolley travelling mechanism is provided with a plurality of vertical connecting rods, and each vertical connecting rod is connected below the electric hoist through a transverse connecting rod to form a frame shape.

Compared with the prior art, the utility model has substantial characteristics and progress, in particular to a spiral arm crane, in the using process, a heavy object is hung on a lifting appliance for lifting, and a balancing device is positioned at the bottom of the upright post, so that the balance can be effectively carried out, and the stability of the lifting process is improved; the balance device is rotatably connected with the bottom of the upright column, so that the angle of the balancing weight can be adjusted according to the angle of the cantilever, and the stability of the hoisting process is fully ensured; the balancing stand is a scissors-shaped telescopic stand so as to adjust the length of the balancing stand according to needs, adjust the force arm and fully play the role of the balancing weight.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a base; 2. a column; 3. a swing arm; 4. an electric hoist; 5. a spreader; 6. a balancing weight; 7. a balancing stand; 8. and (4) frame type.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1, a swing arm crane comprises a base 1, a column 2 arranged on the base 1, a swing arm 3 arranged at the top of the column 2, a balancing device arranged at the bottom of the column 2, a trolley travelling mechanism arranged on the swing arm 3, an electric hoist 4 arranged on the trolley travelling mechanism, and a lifting appliance 5 connected with the electric hoist 4, wherein the swing arm 3 is rotatably connected with the top of the column 2, and the balancing device is rotatably connected with the bottom of the column 2.

In the using process, a heavy object is hung on the lifting appliance for lifting, and the balancing device is positioned at the bottom of the upright post, so that the balance can be effectively carried out, and the stability in the lifting process is improved.

Further, balancing unit includes balancing weight 6, set up in the universal wheel of 6 bottoms of balancing weight, connect balancing weight 6 with the gimbal mount 7 of stand 2, be provided with locking mechanism on the universal wheel. So that the angle of the balancing weight can be adjusted according to the angle of the cantilever, and the stability of the hoisting process can be fully ensured.

Further, the balancing stand 7 is a scissors-shaped telescopic stand, one end of the scissors-shaped telescopic stand is connected with the balancing weight 6, and the other end of the scissors-shaped telescopic stand is connected with the bottom of the upright post 2 through a planetary gear set. So as to adjust the length of the balancing stand and the force arm as required and fully play the role of the balancing weight.

Specifically, the scissors telescopic frame comprises a hydraulic driving assembly and a plurality of crossed scissors short arms, and any two adjacent scissors short arms are hinged. In the use process, the length of the scissors telescopic frame is adjusted through the hydraulic driving assembly, the hydraulic driving assembly drives the scissors short arm to open, the scissors telescopic frame is shortened, the hydraulic driving assembly drives the scissors short arm to close, and the scissors telescopic frame extends.

Preferably, the orthographic projection of the radial arm 3 and the balancing device are located on the same line.

Specifically, the top of the upright post 2 is provided with a driving motor, and an output shaft of the driving motor is connected with one end of the spiral arm 3 through a transmission assembly.

Further, hoist 5 is including connecting the lifting hook of 4 outputs of electric block, the bearing platform that is used for placing the heavy object, evenly set up a plurality of lugs on the bearing platform, each wear to be equipped with in the lug and lift by crane the chain, the upper end that lifts by crane the chain sets up rings, rings with the lifting hook cooperatees. In the using process, a heavy object inconvenient to directly lift can be placed on the bearing platform to lift.

Furthermore, the arc upper end of the lifting hook is hinged with a limiting column and a torsion spring is arranged on the hinged shaft, the free end of the limiting column corresponds to the arc tip of the lifting hook, the hook is prevented from being unhooked in the lifting process, and the lifting process is safer.

Further, the bearing platform is rectangular, four side edges of the bearing platform are respectively hinged with a guard rail, an L-shaped hanging column and a hanging groove which are matched with each other are arranged between every two adjacent guard rails, specifically, a lifting lug can be arranged on the guard rails, the L-shaped hanging column is rotatably connected with the guard rails, a heavy object is placed on the bearing platform before lifting, and the adjacent L-shaped hanging column is hung on the hanging groove to enable the two guard rails to be connected together, so that the heavy object is prevented from slipping off the bearing platform.

Furthermore, the lower part of the trolley travelling mechanism is provided with a plurality of vertical connecting rods, and each vertical connecting rod is connected below the electric hoist 4 through a transverse connecting rod to form a frame shape 8, so that the heavy object is prevented from being ejected in the hoisting process.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A jib crane, comprising: including the base, set up in stand on the base, set up in the spiral arm at stand top, set up in the balancing unit of stand bottom, set up in dolly running gear on the spiral arm, set up in electronic calabash on the dolly running gear, connect electronic calabash's hoist, the spiral arm with the top of stand is rotated and is connected, balancing unit with the bottom of stand is rotated and is connected.

2. A radial arm crane according to claim 1, characterized in that: the balancing device comprises a balancing weight, a universal wheel arranged at the bottom of the balancing weight and a balancing stand connected with the balancing weight and the stand column, and a locking mechanism is arranged on the universal wheel.

3. A radial arm crane according to claim 2, wherein: the balance frame is a scissors-shaped telescopic frame, one end of the scissors-shaped telescopic frame is connected with the balancing weight, and the other end of the scissors-shaped telescopic frame is connected with the bottom of the upright post through a planetary gear set.

4. A radial arm crane according to claim 3, wherein: the scissors-shaped telescopic frame comprises a hydraulic driving assembly and a plurality of crossed scissors-shaped short arms, and any two adjacent scissors-shaped short arms are hinged.

5. A radial arm crane according to any of claims 1-4, characterized in that: the orthographic projection of the radial arm and the balancing device are positioned on the same straight line.

6. A radial arm crane according to claim 5, characterized in that: the top of the upright post is provided with a driving motor, and an output shaft of the driving motor is connected with one end of the spiral arm through a transmission assembly.

7. A radial arm crane according to claim 5, characterized in that: the hoist is including connecting the lifting hook of electric block output, the bearing platform that is used for placing the heavy object, evenly set up a plurality of lugs on the bearing platform, each wear to be equipped with in the lug and lift by crane the chain, the upper end that lifts by crane the chain sets up rings, rings with the lifting hook cooperatees.

8. A radial arm crane according to claim 7, characterized in that: the arc upper end of lifting hook is articulated to be set up the torsional spring on spacing post and the articulated shaft, the free end of spacing post corresponds the arc point of lifting hook sets up the draw-in groove.

9. A radial arm crane according to claim 8, wherein: the bearing platform is rectangular, four side edges of the bearing platform are respectively hinged with a guard rail, and an L-shaped hanging column and a hanging groove which are matched are arranged between every two adjacent guard rails.

10. A radial arm crane according to claim 1, characterized in that: the lower part of the trolley travelling mechanism is provided with a plurality of vertical connecting rods, and each vertical connecting rod is connected below the electric hoist through a transverse connecting rod to form a frame shape.