CN204848017U - Swing crane; derrick - Google Patents

Abstract

The utility model discloses a rotary arm crane, which comprises a column, a rotary arm, a rotary arm lifting column, a base and an electric hoist. The top of the column is connected with a lifting column, and the bottom is connected with a chassis. The rotary table is also set on the lifting column, the side of the rotating arm lifting column is connected with a rotating arm, the top of the lifting column is connected with a buffer device, and the top of the buffer device is connected with a column cap, and the electric hoist includes an electric hoist mounting frame, Motor, driving device, roller and braking device, the upper part of the electric hoist is equipped with a driving device, and an electric motor is installed on one side of the interior, and the roller is connected to one side of the motor. The length of the lifting column of the rotary arm is adjusted, and the working condition of the hydraulic device can be monitored and analyzed through the hydraulic sensor control device, thereby improving the safety performance of the rotary arm crane.

Description

jib crane

technical field

The utility model relates to a crane, in particular to a jib crane, which belongs to the technical field of small and medium-sized cranes.

Background technique

The jib crane is also called the jib crane. It is a small and medium-sized lifting equipment developed in recent years. It has a unique structure, is safe and reliable, and has the characteristics of high efficiency, energy saving, time-saving, labor-saving, and flexibility. In the case of intensive transportation, it shows its superiority more than other conventional lifting equipment. Widely used in different places in various industries.

The lower end of the column of the traditional jib crane is fixed on the concrete foundation through anchor bolts, which will lead to poor flexibility of the jib crane, which is not conducive to the hoisting of goods and increases the cost of hoisting. At the same time, the rotation of the traditional jib crane The arm can only rotate around the column and cannot be raised or lowered, which will reduce the hoisting range of the jib crane and reduce the efficiency of the jib crane.

Contents of the invention

In view of this, the utility model provides a jib crane, through the control of the hydraulic device on the hydraulic tappet, the length of the lifting column of the swivel arm can be adjusted, thereby increasing the hoisting range of the jib crane in the direction of the longitudinal axis At the same time, the working condition of the hydraulic device can be monitored and analyzed through the hydraulic sensor control device, and the hydraulic device can be regulated in time, thereby improving the safety performance of the jib crane and effectively solving the problems in the background technology.

In order to solve the above technical problems, the utility model provides the following technical solutions:

A rotary jib crane, comprising a column, a rotary arm, a rotary arm lifting column, a base and an electric hoist, the top of the column is connected with a lifting column, the bottom is connected with a chassis, and the bottom of the rotary arm lifting column is provided with a rotary On the lifting column, a rotating arm is connected to one side of the rotating arm lifting column, a buffer device is connected to the top of the lifting column, and a column cap is connected to the top of the buffer device. The electric hoist includes an electric hoist mounting frame, a motor, a driving device, Drum and braking device, the electric hoist is equipped with a driving device on the upper part, and a motor is installed on one side of the interior, the drum is connected to one side of the motor, and the braking device is connected to one side of the drum.

As a preferred technical solution of the utility model, a hydraulic lifter is installed inside the column, a hydraulic device is installed at the bottom of the hydraulic lifter, and a hydraulic sensor control device is installed at the bottom of the hydraulic device.

As a preferred technical solution of the utility model, a support frame is installed at the bottom of one side of the rotating arm, and a rolling groove and an electric hoist mounting frame are arranged on the rotating arm, and the two are connected by special engineering plastic wheels.

As a preferred technical solution of the utility model, a T-shaped track is installed on the base, a track opening is arranged at the lower end of the chassis, and long rollers are installed at the bottom of the chassis.

As a preferred technical solution of the utility model, a wire rope is installed on the drum, and a lifting hook is installed at the lower end of the wire rope.

The beneficial effects achieved by the utility model are: a jib crane, through the control of the hydraulic device on the hydraulic lifter, the height of the lifting column of the swivel arm can be adjusted, thereby increasing the lifting capacity of the jib crane in the direction of the longitudinal axis At the same time, the working condition of the hydraulic device can be monitored and analyzed through the hydraulic sensor control device, and the hydraulic device can be adjusted in time to improve the safety performance of the jib crane.

Description of drawings

Fig. 1 is a schematic structural view of a jib crane described in an embodiment of the present invention;

Fig. 2 is a schematic diagram of the connection structure between the chassis of a jib crane and the T-shaped track described in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the connection structure between the electric hoist mounting frame of the jib crane and the rolling groove described in the embodiment of the present invention;

Among them, the reference signs are: track port-1, column-2, hydraulic sensor control device-3, hydraulic device-4, hydraulic tappet-5, rotating arm lifting column-6, lifting column-7, buffer device -8, column cap-9, support frame-10, rotating arm-11, rolling groove-12, electric hoist-13, chassis-14, T-shaped track-15, base-16, long roller-17, rotary table- 18. Special engineering plastic wheel-19, driving device-20, roller-21, brake device-22, lifting hook-23, wire rope-24, motor-25, electric hoist mounting frame-26.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment: Please refer to Fig. 1-3, a kind of jib crane, comprises column 2, rotary arm 11, rotary arm lifting column 6, base 16 and electric hoist 13, described column 2 top is connected with lifting column 7, bottom is connected There is a chassis 14, the bottom of the rotating arm lifting column 6 is provided with a rotating platform 18 and is set on the lifting column 7, a rotating arm 11 is connected to one side of the rotating arm lifting column 6, and a buffer device 8 is connected to the top of the lifting column 7. The top of the buffer device 8 is connected with a column cap 9, and the electric hoist 13 includes an electric hoist mounting frame 26, a motor 25, a driving device 20, a roller 21 and a braking device 22, and the upper part of the electric hoist 13 is equipped with a driving device 20 A motor 25 is provided on one side of the interior, a drum 21 is connected to one side of the motor 25 , and a braking device 22 is connected to one side of the drum 21 .

A hydraulic lifter 5 is installed inside the column 2, a hydraulic device 4 is installed at the bottom of the hydraulic lifter 5, a hydraulic sensor control device 3 is installed at the bottom of the hydraulic device 4, and the hydraulic lifter 5 is controlled by the hydraulic device 3 , the height of the swivel arm lifting column 6 can be adjusted, thereby increasing the hoisting range of the jib crane in the longitudinal axis direction, the bottom of one side of the swivel arm 11 is equipped with a support frame 10, and the swivel arm 11 is provided with a rolling groove 12 and the electric hoist mounting frame 26, the two are connected by special engineering plastic wheels 19, through the supporting effect of the support frame 10, the rotating arm 11 can be made not easily deformed, and the service life of the jib crane can be increased. The base 16 is equipped with T Type track 15, the lower end of the chassis 14 is provided with a track port 1, and the bottom of the chassis 14 is equipped with a long roller 17, and a steel wire rope 24 is installed on the drum 21, and a lifting hook 23 is installed at the lower end of the steel rope 24, through the T-shaped track 15 and the track The cooperation of the port 1 can make the column 2 move on the base 14, thereby making the jib crane more flexible and increasing the hoisting range.

It should be noted that the utility model is a jib crane, through the control of the hydraulic device 4 on the hydraulic lifter 5, the height of the jib lifting column 6 can be adjusted, thereby increasing the height of the jib crane in the direction of the longitudinal axis. At the same time, through the hydraulic sensor control device 3, the working conditions of the hydraulic device 4 can be monitored and analyzed, and the hydraulic device 4 can be adjusted in time, thereby improving the safety performance of the jib crane. The rotation of the drum 21 drives the wire rope 24. Make the hoisting hook 23 rise or fall to carry the goods.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. a turning crane, comprise column (2), pivot arm lifting post (6), pivot arm (11), electric block (13) and base (16), it is characterized in that: described column (2) top is connected with lifting column (7), bottom is connected with chassis (14), described pivot arm lifting post (6) bottom is provided with rotating table (18) and is sleeved on lifting column (7), described pivot arm lifting post (6) side is connected with pivot arm (11), described lifting column (7) top is connected with shock absorber (8), described shock absorber (8) top is connected with upright post cap (9), described electric block (13) comprises electric block erecting frame (26), electrical motor (25), actuating device (20), cylinder (21) and brake equipment (22), described electric block (13) top is provided with actuating device (20), inner side is provided with electrical motor (25), described electrical motor (25) side is connected with cylinder (21), described cylinder (21) side is connected with brake equipment (22).

2. a kind of turning crane according to claim 1, it is characterized in that, described column (2) inside is provided with hydraulic tappet (5), and hydraulic tappet (5) bottom is provided with hydraulic efficiency gear (4), and hydraulic efficiency gear (4) bottom is provided with hydraulic sensing control device (3).

3. a kind of turning crane according to claim 1, it is characterized in that, described pivot arm (11) side bottom is provided with bracing frame (10), and pivot arm (11) is provided with rolling groove (12) and electric block erecting frame (26), and both are connected by special engineering plastics travelling wheel (19).

4. a kind of turning crane according to claim 1, is characterized in that, described base (16) is provided with T-shaped track (15), and chassis (14) lower end is provided with track mouth (1), and chassis (14) bottom is provided with long wheel (17).

5. a kind of turning crane according to claim 1, is characterized in that, described cylinder (21) is provided with steel rope (24), and steel rope (24) lower end is provided with load hook (23).