CN215592406U

CN215592406U - Gantry crane

Info

Publication number: CN215592406U
Application number: CN202121080327.6U
Authority: CN
Inventors: 张志东
Original assignee: Wuxi Xiandao Machinery Co ltd
Current assignee: Wuxi Xiandao Machinery Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-21
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a gantry crane which comprises a bridge, wherein supporting leg structures are arranged at two ends of the bridge, the lower part of each supporting leg structure is connected with a cart movement mechanism, a safety ladder structure is arranged on the outer side of each supporting leg, a driver cab and an operation room are also arranged on each safety ladder structure, a moving trolley, an electric room and a fixing frame are arranged above the bridge, a platform railing and a conductive post are arranged on two sides above the bridge, the moving trolley is connected with the conductive post through a trolley conductive frame, the moving trolley and the fixing frame are fixedly connected with the top of the bridge through a rail, a sucker hanging beam structure is arranged below the moving trolley through a steel wire rope, an electric hoist is arranged at the top of the fixing frame, and a lifting hook is connected below the electric hoist; according to the utility model, the position of the sucker hanging beam structure can be changed through the matching of the cart movement mechanism and the moving trolley without being adjusted by an external device, the sucker hanging beam structure and the electric hoist can be used for sucker hoisting and hook hoisting, and the application of the electric rail clamping device and the anchoring device can prevent safety accidents caused by storm weather.

Description

Gantry crane

Technical Field

The utility model mainly relates to the field of cranes, in particular to a gantry crane.

Background

The crane is used as a carrying tool and has wide application in the fields of factories, wharfs, construction sites, container goods yards and earthquake relief. The crane comprises a gantry crane, a bridge crane, a rotary crane and other various cranes, and the gantry crane has the characteristics of strong bearing capacity, good stability, simple and convenient manufacturing technology and the like.

The existing portal crane is generally only provided with a single hoisting structure, has a single hoisting mode, and can hoist only by being adjusted by an external device in the transverse direction; meanwhile, in windy weather, especially on the coast, the crane is easy to be blown by wind to slide along the rail or topple over, which causes safety accidents,

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a gantry crane which comprises a bridge frame 1, wherein two ends of the bridge frame 1 are provided with supporting leg structures, the supporting leg structures are divided into a rigid supporting leg 2 and a flexible supporting leg 10, the rigid supporting leg 2 and the flexible supporting leg 10 are respectively positioned at two ends of the bridge frame 1, the lower part of the supporting leg structure is connected with a cart movement mechanism 3 through a bolt structure, the outer side of the rigid supporting leg 2 is provided with a safety ladder structure 4, and the safety ladder structure 4 is also provided with a driver cab 5 and an operation room 19;

the utility model discloses a crane span structure 1 top is equipped with travelling car 6, electric room 20 and mount, and the both sides of 1 top of crane span structure all are equipped with the platform railing and lead electrical pillar 9, and travelling car 6 is connected with leading electrical pillar 9 through the electrically conductive frame 16 of dolly, and travelling car 6 and mount pass through the top fixed connection of track and crane span structure 1, and travelling car 6 below hangs through wire rope and is equipped with sucking disc hanging beam structure 21, and the mount top is equipped with electric block 17, and electric block 17 below is connected with the lifting hook.

Preferably, two rigid legs 2 are symmetrically arranged, and the opposite surfaces of the two rigid legs 2 are close to the lower ends and are connected through the lower cross beam 12 of the rigid legs in a reinforcing mode.

Preferably, the flexible leg 10 is provided with two, and the opposite faces of the two flexible legs 10 are close to the lower end, and the connection is reinforced by the flexible leg lower cross beam 11.

Preferably, a rain cover 7 is arranged on the outer side of the movable trolley 6.

Preferably, an electric pipeline is further arranged on the platform rail above the bridge frame 1, and a circuit connecting line is arranged inside the electric pipeline.

Preferably, the cart movement mechanism 3 comprises a movement pulley structure and a movement track, wherein the movement pulley structure is further provided with an electric rail clamping device 22, and two sides of the movement track are provided with anchoring devices 18.

Preferably, the cab 5 controls the operation of the cart movement mechanism 3 through a circuit, and the operation room 19 controls the opening and closing of the movable trolley 6, the sucker hanging beam structure 21 and the electric hoist 17 through a circuit.

The utility model has the beneficial effects that: the cooperation of cart motion and travelling car can change the position of sucking disc hanging beam structure on the plane, need not external device and adjusts, can carry out the sucking disc through sucking disc hanging beam structure and electric block and lift by crane and the lifting hook lifts by crane, and the incident that the application of electronic rail clamping device and anchoring device can prevent the storm weather and bring.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a side view of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a bridge frame; 2. a rigid leg; 3. a cart movement mechanism; 4. a safety ladder structure; 5. a driver's cab; 6. moving the trolley; 7. a rain cover; 9. a conductive post; 10. a flexible leg; 11. a flexible leg lower beam; 12. a rigid leg lower beam; 16. a trolley conductive frame; 17. an electric hoist; 18. an anchoring device; 19. an operation chamber; 20. an electric room; 21. a suction cup hanging beam structure; 22. provided is an electric rail clamping device.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.

As shown in fig. 1-2, the present invention includes: the crane comprises a bridge frame 1, wherein supporting leg structures are arranged at two ends of the bridge frame 1, the supporting leg structures are divided into a rigid supporting leg 2 and a flexible supporting leg 10, the rigid supporting leg 2 and the flexible supporting leg 10 are respectively positioned at two ends of the bridge frame 1, the lower part of the supporting leg structure is connected with a cart movement mechanism 3 through a bolt structure, a safety ladder structure 4 is arranged on the outer side of the rigid supporting leg 2, and a driver cab 5 and an operation room 19 are further arranged on the safety ladder structure 4;

In the embodiment, preferably, two rigid legs 2 are symmetrically arranged, and the opposite surfaces of the two rigid legs 2 are close to the lower ends and are connected through the lower cross beam 12 of the rigid legs in a reinforcing mode.

With the structure, the lower beam 12 of the rigid support leg is used for fixing the rigid support leg 2, and the stress concentration at the joint of the rigid support leg 2 and the bridge frame 1 is prevented, so that the frame is scattered.

In the present embodiment, it is preferable that the flexible legs 10 are provided in two, and the opposite faces of the two flexible legs 10 are close to the lower ends, and the connection is reinforced by the flexible leg lower cross beam 11.

With the structure, the lower beam 11 of the rigid flexible leg is used for fixing the flexible leg 10 and preventing the stress concentration at the joint of the flexible leg 10 and the bridge frame 1 from causing scattered frames

In this embodiment, a rain cover 7 is preferably disposed outside the movable trolley 6.

By adopting the structure, the rain cover 7 is used for keeping off rain, and the movable trolley 6 is prevented from rusting due to rainwater.

In this embodiment, it is preferable that an electrical pipeline is further disposed on the platform rail above the bridge 1, and a circuit connection line is disposed inside the electrical pipeline.

By means of the structure, the circuit connection is prevented from being scattered, and safety accidents and quality problems are avoided.

In the present embodiment, the cart moving mechanism 3 preferably includes a moving pulley structure and a moving track, the moving pulley structure is further provided with an electric rail clamping device 22, and two sides of the moving track are provided with anchoring devices 18.

With the structure, the electric rail clamping device 22 prevents the crane from sliding along the rail under the action of strong wind, and the anchoring device 18 clamps the rail-walking crane in a non-working state on a stand along the rail to prevent the crane from sliding along the rail accidentally under the action of storm wind.

In this embodiment, the cab 5 preferably controls the operation of the cart movement mechanism 3 through a circuit, and the operation room 19 controls the opening and closing of the moving cart 6, the suction cup suspension beam structure 21 and the electric hoist 17 through a circuit.

With the above structure, the cab 5 controls the cart movement mechanism 3 to control the movement of the whole crane, the operation room 19 controls the movement and position of the movable trolley 6, the lifting and absorption of the suction cup hanging beam structure 21 and the lifting and falling of the electric hoist 17.

In use, the crane span structure 1 is moved longitudinally by the cart movement mechanism 3, and the suction cup suspension beam structure 21 is moved laterally by the dolly 6 to be positioned above the material. The electric block 17 is used for lifting the hook.

The safety ladder structure 4 is used for climbing of operators, the trolley conductive frame 16 is matched with the conductive column 9, and the current of the movable trolley 6 can be led into the ground. The matching of the flexible supporting legs 10 and the rigid supporting legs 2 can increase the fault tolerance rate of the height errors of the two sides of the bridge frame 1 and reduce the difficulty of installing the crane

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The gantry crane is characterized by comprising a bridge frame (1), wherein supporting leg structures are arranged at two ends of the bridge frame (1), the supporting leg structures are divided into a rigid supporting leg (2) and a flexible supporting leg (10), the rigid supporting leg (2) and the flexible supporting leg (10) are respectively positioned at two ends of the bridge frame (1), the lower part of each supporting leg structure is connected with a cart movement mechanism (3) through a bolt structure, a safety ladder structure (4) is arranged on the outer side of the rigid supporting leg (2), and a driver cab (5) and an operation room (19) are further arranged on the safety ladder structure (4);

the utility model discloses a crane span structure, including crane span structure (1), crane span structure (6), electric room (20), crane span structure (1) top is equipped with travelling car (6), electric room (20) and mount, the both sides of crane span structure (1) top all are equipped with platform railing and lead electrical pillar (9), travelling car (6) are connected with electrically conductive pillar (9) through electrically conductive frame (16) of dolly, travelling car (6) and mount pass through the top fixed connection of track with crane span structure (1), travelling car (6) below is hung through wire rope and is equipped with sucking disc hanging beam structure (21), the mount top is equipped with electronic calabash (17), electronic calabash (17) below is connected with the lifting hook.

2. A gantry crane according to claim 1, characterized in that: the two rigid supporting legs (2) are symmetrically arranged, the opposite surfaces of the two rigid supporting legs (2) are close to the lower end, and the rigid supporting legs are connected through the lower cross beam (12) of the rigid supporting legs in a reinforcing mode.

3. A gantry crane according to claim 1, characterized in that: the number of the flexible legs (10) is two, and the opposite surfaces of the two flexible legs (10) are close to the lower end and are connected in a reinforcing mode through a lower cross beam (11) of the flexible legs.

4. A gantry crane according to claim 1, characterized in that: rain-proof cover (7) is arranged on the outer side of the movable trolley (6).

5. A gantry crane according to claim 1, characterized in that: still be equipped with electric pipeline on the platform railing of crane span structure (1) top, electric pipeline is inside to be equipped with the circuit connection line.

6. A gantry crane according to claim 1, characterized in that: the cart movement mechanism (3) comprises a movement pulley structure and a movement track, wherein the movement pulley structure is further provided with an electric rail clamping device (22), and two sides of the movement track are provided with anchoring devices (18).

7. A gantry crane according to claim 1, characterized in that: the operation of the cart movement mechanism (3) is controlled by the cab (5) through a circuit, and the opening and closing of the movable trolley (6), the sucker hanging beam structure (21) and the electric hoist (17) are controlled by the operating room (19) through a circuit.