CN216129240U

CN216129240U - Fixed column type cantilever crane

Info

Publication number: CN216129240U
Application number: CN202121848896.0U
Authority: CN
Inventors: 杨志军; 杨杰; 石徽; 张科兵; 李丽
Original assignee: Hebei Handan Power Generation Co Ltd
Current assignee: Hebei Handan Power Generation Co Ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-03-25
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a fixed column type cantilever crane, which comprises a base, wherein the top of the base is fixedly provided with an upright post, the top of the upright post is movably provided with a cantilever, the bottom of the cantilever is provided with a chute, a hoisting device is arranged on the chute, in the utility model, a threaded rod is rotated through the threaded connection between the electric hoist and the threaded rod through the movement of the electric hoist, a transmission gear is further rotated, a driven gear is rotated when the transmission gear is rotated, a blade is further rotated through a rotating rod, when the electric hoist is farther away, hydraulic oil in a hydraulic box is transferred from one end of a shortening pipe to one end of an extension pipe, a push rod is extended to the outer side of a supporting pipe along with the electric hoist, the force arm of the support is longer, and the automatic exchange of a supporting point according to the force arm of a hoisting heavy object is realized, the effect of firm support is reached for the stability of device, the security is better, improves the life of device.

Description

Fixed column type cantilever crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a fixed column type cantilever crane.

Background

The cantilever crane is also called a cantilever crane, is middle and small-sized hoisting equipment developed in recent years, has unique structure, safety and reliability, has the characteristics of high efficiency, energy conservation, time and labor conservation, flexibility and the like, can be operated randomly in three-dimensional space, and has better superiority than other conventional hoisting equipment on the occasions of section spacing and intensive dispatching. The cantilever crane is widely applied to different places of various industries, the working strength of the cantilever crane is light, the crane consists of an upright post, a revolving arm rotation driving device and an electric hoist, the lower end of the upright post is fixed on a concrete foundation through a foundation bolt, the cantilever is driven to rotate by a cycloid pin gear speed reducer, and the electric hoist moves on a cantilever I-shaped steel in a left-right straight line and lifts a heavy object.

Traditional cantilever crane is after long-term use, because its holding power is less, very probably takes place the jib loading boom unstability at the during operation, and the condition of deformation damage even leads to the life of equipment to shorten, and then influences the work progress, for this reason we propose a fixed column cantilever crane, solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a fixed column type cantilever crane.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a fixed column cantilever crane, includes the base, the fixed stand that is provided with in top of base, the top activity of stand is provided with the cantilever, the spout has been seted up to the bottom of cantilever, be provided with hoisting apparatus on the spout, be provided with supporting mechanism on the cantilever, the fixed motor that is provided with in top of cantilever, the fixed pivot that is provided with in bottom of motor, the fixed running gear that is provided with in bottom of pivot, the fixed tooth ring that is provided with on the lateral wall of stand, tooth and the gear intermeshing on the running gear lateral wall on the tooth ring lateral wall.

Preferably, hoisting apparatus has electric block including the activity setting on the spout, electric block's top is fixed and is provided with the connecting plate, electric block's bottom is fixed and is provided with the couple.

Preferably, the supporting mechanism sets up the threaded rod on the spout inside wall including the activity, threaded connection between threaded rod and the connecting plate, the fixed drive gear that is provided with on the one end lateral wall of threaded rod, the activity is provided with the bull stick on the cantilever, the top of bull stick extends to the inside of spout, the fixed driven gear that is provided with in top of bull stick, the fixed hydraulic pressure box that is provided with in bottom of cantilever, the bottom of bull stick extends to the inside of hydraulic pressure box, the bull stick is located and is provided with the blade on the lateral wall of hydraulic pressure box, the one end of hydraulic pressure box is provided with the shortening pipe, the other end of hydraulic pressure box is provided with the extension pipe, be provided with support piece on the stand.

Preferably, the support member includes that the activity sets up the swivel becket on the stand lateral wall, the fixed activity in one side of swivel becket is provided with the connecting rod, the fixed stay tube that is provided with on the lateral wall of connecting rod, the activity is provided with the push rod on the inside wall of stay tube, the top activity of push rod is provided with the connecting block, fixed connection between connecting block and the electric block.

Preferably, the teeth on the outer side wall of the driven gear are meshed with the gear on the outer side wall of the transmission gear.

Preferably, the other end of the shortening pipe is communicated with the top end of the supporting pipe, and the other end of the extension pipe is communicated with the bottom of the supporting pipe.

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

1. according to the utility model, through the movement of the electric hoist, the threaded rod can be rotated through the threaded connection between the electric hoist and the threaded rod, so that the transmission gear can be rotated, the driven gear can be rotated when the transmission gear is rotated, and the blades can be rotated through the rotating rod.

2. According to the utility model, the rotating shaft can be rotated by starting the motor, the rotating gear can be rotated when the rotating shaft rotates, and the rotating gear can rotate along the outer side wall of the tooth ring while rotating, so that the whole body on the cantilever can rotate.

Drawings

FIG. 1 is a schematic structural view of a fixed column type cantilever crane according to the present invention;

FIG. 2 is a schematic view of a partial structure of a fixed column type cantilever crane according to the present invention;

FIG. 3 is a partial structural cross-sectional view of a fixed column type cantilever crane according to the present invention;

fig. 4 is an enlarged view of a structure of a fixed column type cantilever crane a according to the present invention.

In the figure: the device comprises a base 1, a column 2, a cantilever 3, a sliding chute 4, an electric hoist 5, a connecting plate 6, a threaded rod 7, a hook 8, a motor 9, a rotating shaft 10, a rotating gear 11, a tooth ring 12, a rotating ring 13, a connecting rod 14, a supporting tube 15, a push rod 16, a connecting block 17, a hydraulic box 18, a shortening tube 19, an extension tube 20, a transmission gear 21, a driven gear 22, a rotating rod 23 and a blade 24.

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 a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a fixed column type cantilever crane comprises a base 1, wherein a vertical column 2 is fixedly arranged at the top of the base 1, a cantilever 3 is movably arranged at the top of the vertical column 2, a sliding groove 4 is formed in the bottom of the cantilever 3, a hoisting device is arranged on the sliding groove 4 and comprises an electric hoist 5 movably arranged on the sliding groove 4, a connecting plate 6 is fixedly arranged at the top of the electric hoist 5, a hook 8 is fixedly arranged at the bottom of the electric hoist 5, a motor 9 is fixedly arranged at the top of the cantilever 3, a rotating shaft 10 is fixedly arranged at the bottom of the motor 9, a rotating gear 11 is fixedly arranged at the bottom of the rotating shaft 10, a tooth ring 12 is fixedly arranged on the outer side wall of the vertical column 2, and teeth on the outer side wall of the tooth ring 12 are meshed with gears on the outer side wall of the rotating gear 11;

the rotating shaft 10 can be rotated by starting the motor 9, the rotating gear 11 can be rotated when the rotating shaft 10 rotates, the rotating gear 11 rotates along the outer side wall of the tooth ring 12 when rotating, so that the whole body on the cantilever 3 rotates, the structure is simple, the operation and the use are convenient, the rotation is flexible, and the energy-saving and efficient effect of hoisting materials is achieved;

the cantilever 3 is provided with a supporting mechanism, the supporting mechanism comprises a threaded rod 7 movably arranged on the inner side wall of the chute 4, the threaded rod 7 is in threaded connection with the connecting plate 6, a transmission gear 21 is fixedly arranged on the side wall of one end of the threaded rod 7, a rotating rod 23 is movably arranged on the cantilever 3, the top end of the rotating rod 23 extends into the chute 4, a driven gear 22 is fixedly arranged at the top of the rotating rod 23, teeth on the outer side wall of the driven gear 22 are meshed with gears on the outer side wall of the transmission gear 21, a hydraulic box 18 is fixedly arranged at the bottom of the cantilever 3, the bottom of the rotating rod 23 extends into the hydraulic box 18, a blade 24 is arranged on the outer side wall of the rotating rod 23 positioned on the hydraulic box 18, one end of the hydraulic box 18 is provided with a shortening pipe 19, the other end of the hydraulic box 18 is provided with an extension pipe 20, a supporting piece is arranged on the upright 2, and the supporting piece comprises a rotating ring 13 movably arranged on the outer side wall of the upright 2, a connecting rod 14 is fixedly and movably arranged on one side of the rotating ring 13, a supporting pipe 15 is fixedly arranged on the side wall of the connecting rod 14, the other end of a shortening pipe 19 is communicated with the top end of the supporting pipe 15, the other end of an extending pipe 20 is communicated with the bottom of the supporting pipe 15, a push rod 16 is movably arranged on the inner side wall of the supporting pipe 15, a connecting block 17 is movably arranged at the top of the push rod 16, and the connecting block 17 is fixedly connected with the electric hoist 5;

through electric block 5's removal, will be through its and threaded connection between the threaded rod 7, make the threaded rod 7 rotate, and then will make drive gear 21 rotate, will make driven gear 22 rotate when drive gear 21 rotates, and then will make blade 24 rotate through bull stick 23, when electric block 5 leaves more far away, the inside hydraulic oil of hydraulic pressure box 18 will be followed the one end that shortens pipe 19 and shifted the one end of extension pipe 20, make push rod 16 follow electric block 5 and extend to the outside of stay tube 15, make the arm of force of support longer, the realization carries out automatic exchange to the strong point according to the arm of force size that promotes the heavy object, reach the effect of firm support, make the stability of device, the security is better, the life of improvement device.

In the utility model, the rotating shaft 10 is rotated by starting the motor 9, the rotating gear 11 is rotated when the rotating shaft 10 rotates, the rotating gear 11 rotates along the outer side wall of the tooth ring 12 while rotating, so that the whole body on the cantilever 3 rotates, at the moment, the electric hoist 5 is started, the hook 8 is moved to a position where a heavy object needs to be lifted, the threaded rod 7 rotates through the threaded connection between the electric hoist 5 and the threaded rod 7 through the movement of the electric hoist 5, the transmission gear 21 rotates, the driven gear 22 rotates when the transmission gear 21 rotates, the blade 24 rotates through the rotating rod 23, when the electric hoist 5 is farther away, hydraulic oil in the hydraulic box 18 is transferred from one end of the shortening pipe 19 to one end of the extension pipe 20, so that the push rod 16 extends to the outer side of the support pipe 15 along with the electric hoist 5, the force arm of the support is longer, and at the moment, the hook 8 can be put down to hoist heavy objects, so that stable hoisting is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a fixed column cantilever crane, includes base (1), its characterized in that, the fixed stand (2) that is provided with in top of base (1), the top activity of stand (2) is provided with cantilever (3), spout (4) have been seted up to the bottom of cantilever (3), be provided with hoisting apparatus on spout (4), be provided with supporting mechanism on cantilever (3), the fixed motor (9) that is provided with in top of cantilever (3), the fixed pivot (10) that is provided with in bottom of motor (9), the fixed running gear (11) that is provided with in bottom of pivot (10), fixed tooth ring (12) that is provided with on the lateral wall of stand (2), tooth on tooth ring (12) lateral wall and the gear intermeshing on running gear (11) lateral wall.

2. The column-fixed cantilever crane according to claim 1, wherein the hoisting device comprises an electric hoist (5) movably arranged on the chute (4), the top of the electric hoist (5) is fixedly provided with a connecting plate (6), and the bottom of the electric hoist (5) is fixedly provided with a hook (8).

3. The fixed column cantilever crane according to claim 1, wherein the support mechanism comprises a threaded rod (7) movably disposed on the inner side wall of the chute (4), the threaded rod (7) is in threaded connection with the connecting plate (6), a transmission gear (21) is fixedly disposed on the side wall of one end of the threaded rod (7), a rotating rod (23) is movably disposed on the cantilever (3), the top end of the rotating rod (23) extends into the chute (4), a driven gear (22) is fixedly disposed on the top of the rotating rod (23), a hydraulic box (18) is fixedly disposed at the bottom of the cantilever (3), the bottom of the rotating rod (23) extends into the hydraulic box (18), a vane (24) is disposed on the outer side wall of the hydraulic box (18) of the rotating rod (23), and a shortening pipe (19) is disposed at one end of the hydraulic box (18), the other end of the hydraulic box (18) is provided with an extension pipe (20), and the upright post (2) is provided with a support piece.

4. A column-fixed cantilever crane according to claim 3, wherein the support member comprises a rotating ring (13) movably arranged on the outer side wall of the column (2), a connecting rod (14) is fixedly and movably arranged on one side of the rotating ring (13), a supporting tube (15) is fixedly arranged on the side wall of the connecting rod (14), a push rod (16) is movably arranged on the inner side wall of the supporting tube (15), a connecting block (17) is movably arranged at the top of the push rod (16), and the connecting block (17) is fixedly connected with the electric hoist (5).

5. A column jib crane according to claim 3 wherein the teeth on the outside wall of the driven gear (22) mesh with the gear on the outside wall of the drive gear (21).

6. A column jib crane according to claim 4 wherein the other end of the shortening tube (19) communicates with the top end of the support tube (15) and the other end of the extension tube (20) communicates with the bottom of the support tube (15).