CN218931483U

CN218931483U - Low-carbon type multifunctional portal frame structure

Info

Publication number: CN218931483U
Application number: CN202223144608.0U
Authority: CN
Inventors: 冯尚宣; 冯尚华; 秦乐; 潘璐
Original assignee: Shanghai Peaceful Development Crane Equipment Co ltd
Current assignee: Shanghai Peaceful Development Crane Equipment Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-28
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a low-carbon type multifunctional portal structure which comprises two main beams, end cross beams, two rigid legs and two flexible legs, wherein the end parts of the two ends of the two main beams are fixedly connected through the end cross beams, the upper ends of the two rigid legs and the upper ends of the two flexible legs are respectively and fixedly connected with four cantilever connecting cross beams on the front side and the rear side of the two main beams 1, cantilever beams are formed at the front end and the rear end of the main beams, the lower ends of the two rigid legs are fixedly connected through the rigid leg cross beams, the lower ends of the two flexible legs are fixedly connected through the flexible leg cross beams, and the two main beams are provided with trolley guide rails. The utility model ensures that the track gauge of the trolley on the two main girder structures is small, the arrangement of the trolley mechanism is relatively compact, the required size of the connecting cross beam of the main girder is relatively small, thereby reducing the weight of the whole structure of the equipment and the power required for the operation of each mechanism, reducing the cost of the whole equipment, reducing the dead weight and the wheel pressure of the equipment, further reducing the cost of the user infrastructure and the operation cost of the whole equipment, and realizing low-carbon energy conservation and emission reduction.

Description

Low-carbon type multifunctional portal frame structure

Technical Field

The utility model belongs to the technical field of crane portal frames, and relates to a low-carbon type multifunctional portal frame structure.

Background

The crane portal structure is used as an important supporting structure of a crane, the lower end is connected to ground regulation through a cart, a cart travelling mechanism is arranged above the crane portal structure, a suspension mechanism and a lifting appliance are arranged on the cart travelling mechanism, the lower ends of two main beams are directly provided with supporting legs, and a track is arranged on the main beams.

Disclosure of Invention

The utility model aims to solve the technical problems that: the utility model provides a multi-functional portal structure of low carbon formula to solve the technical problem that exists among the prior art.

The technical scheme adopted by the utility model is as follows: the utility model provides a multi-functional portal structure of low carbon formula, including two girders, tip crossbeam, two rigid legs and two gentle legs, through tip crossbeam fixed connection between two girder both ends tip, two rigid legs and two gentle leg upper ends respectively fixed connection four cantilever connection crossbeams of both sides and girder front and back end formation cantilever beam around two girder 1, through rigid leg crossbeam fixed connection between two rigid leg lower extreme, through gentle leg crossbeam fixed connection between two gentle legs lower extreme, the dolly guide rail is installed to two girders.

Preferably, the trolley guide rail is locked by pressing plates and screws at two sides.

Preferably, buffers are mounted at both ends of the trolley guide rail.

Preferably, the four cantilever connecting beams above the two rigid legs and the two flexible legs are respectively and fixedly connected with an inverted rigid leg U-shaped beam and an inverted flexible leg U-shaped beam.

Preferably, two sides of the rigid leg U-shaped beam and the inverted flexible leg U-shaped beam are hinged with one end of a pull rod, and the other end of the pull rod is hinged on the main beam.

The utility model has the beneficial effects that: compared with the prior art, the trolley guide rail is biased to the inner side through the four cantilever connecting beams, so that the trolley track gauge on the two main beam structures is small, the trolley structure is relatively small, the trolley mechanism arrangement is relatively compact, the required size of the connecting beams of the main beams is relatively small due to the small trolley track gauge, the whole equipment structure weight is reduced, the power required for running each mechanism is relatively small due to the light whole equipment structure weight, the whole equipment cost is reduced, the equipment dead weight and wheel pressure are reduced, and the user infrastructure cost and the whole equipment operation cost are reduced, so that the low-carbon energy conservation and emission reduction are realized.

Drawings

FIG. 1 is a right side elevational schematic of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

fig. 4 is an enlarged schematic view of the portion a in fig. 2.

Detailed Description

The utility model will be further described with reference to specific examples.

Example 1: as shown in fig. 1-4, a low-carbon multifunctional portal structure comprises two main beams 1, end cross beams 2, two rigid legs 3 and two flexible legs 4, wherein the end parts of the two ends of the two main beams 1 are fixedly connected through the end cross beams 2, the upper ends of the two rigid legs 3 and the two flexible legs 4 are respectively and fixedly connected with four cantilever connecting cross beams 9 on the front side and the rear side of the two main beams 1, cantilever beams are formed at the front end and the rear end of the main beams 1, the lower ends of the two rigid legs 3 are fixedly connected through the rigid leg cross beams 5, the lower ends of the two flexible legs 4 are fixedly connected through the flexible leg cross beams 6, and the trolley guide rails 10 are arranged on the two main beams 1.

The portal structure of the low-carbon multifunctional container portal crane is specially designed into a double-girder L-shaped box-shaped structure form, and consists of two girders, four cross beams, four supporting legs, two lower cross beams, two U-shaped girders, eight diagonal draw bars and other metal structures.

The crane meets the loading and unloading operation functions of 20', 40', 45 'containers and the side loading and unloading functions of the cantilever arms at two sides when the container of 20', 40', 45' passes through legs, the portal structure of the crane is small in trolley track distance of two groups of main beam structures through innovative special design (U-shaped box-shaped structural form), the trolley structure is relatively small, so that the arrangement of the trolley mechanism is relatively compact, the requirement on the contact cross beam of the main beam is relatively small due to the small track distance of the trolley, the whole structure weight of the equipment is further reduced, the power required by the operation of each mechanism is relatively small due to the light weight of the whole structure of the equipment, the whole cost of the equipment is further reduced, the dead weight and the wheel pressure of the equipment are further reduced, and the basic construction cost and the whole operation cost of the user are further reduced, so that the energy conservation and emission reduction of low carbon are realized.

The main beam of the machine is designed into a partial rail box-shaped structure, and the section adopts a finite element calculation method to carry out analysis and calculation of the system, so that the main beam of the machine has enough strength, rigidity and overall stability. The upper camber of the main beam is (1-1.4) S/1000, the maximum upper camber position is controlled within the range of 1/10 of the middle part of the span, the connecting beam of the main beam and the supporting leg adopts an overhanging type door-shaped structure, and the overhanging type structural beam and the main beam are specially designed into an integral type for manufacturing and mounting, so that the structural stress and the strength are ensured.

Wherein, in order to facilitate the adjustment of the trolley guide rail, the trolley guide rail 10 is locked by pressing plates 11 and screws 12 at both sides.

For safety during trolley travel, buffers 13 are mounted at both ends of the trolley rail 10.

The four cantilever connecting beams 9 above the two rigid legs 3 and the two flexible legs 4 are respectively fixedly connected with an inverted rigid leg U-shaped beam 7 and an inverted flexible leg U-shaped beam 8, one end of a pull rod 14 is hinged to two sides of the rigid leg U-shaped beam 7 and two sides of the inverted flexible leg U-shaped beam 8, the other end of the pull rod 14 is hinged to the main beam 1, an inverted U-shaped upper portal frame structure is further designed and manufactured on the main beam, the upper portal frame structure is connected with the main beam structure through high-strength bolts, in order to further improve the stress stability of the main beam structure, a vertical pull rod connecting main beam and the upper portal frame are further designed and manufactured between the upper portal frame structure and the main beam, the vertical stress and the stability of the main beam are increased, the vertical pull rod is connected with the main beam through pin shafts, the tensile strength of the structure can be guaranteed through pin shaft connection, the structural stress generated by load change during the hanging industry can be released, and the installation is further convenient.

The foregoing is merely illustrative of the present utility model, and the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present utility model, and therefore, the scope of the present utility model shall be defined by the scope of the appended claims.

Claims

1. A low-carbon type multifunctional portal structure is characterized in that: including two girders (1), tip crossbeam (2), two rigid legs (3) and two gentle legs (4), through tip crossbeam (2) fixed connection between two girder (1) both ends tip, four cantilever connection crossbeams (9) of two rigid legs (3) and two gentle legs (4) upper end respectively fixed connection both sides around two girders (1) and girder (1) front and back end form the cantilever beam, through rigid leg crossbeam (5) fixed connection between two rigid legs (3) lower extreme, through gentle leg crossbeam (6) fixed connection between two gentle legs (4) lower extreme, dolly guide rail (10) are installed to two girders (1).

2. A low-carbon multifunctional portal structure according to claim 1, characterized in that: the trolley guide rail (10) is locked by pressing plates (11) and screws (12) at two sides.

3. A low-carbon multifunctional portal structure according to claim 1 or 2, characterized in that: buffers (13) are arranged at two ends of the trolley guide rail (10).

4. A low-carbon multifunctional portal structure according to claim 1 or 2, characterized in that: the four cantilever connecting beams (9) above the two rigid legs (3) and the two flexible legs (4) are respectively and fixedly connected with an inverted rigid leg U-shaped beam (7) and an inverted flexible leg U-shaped beam (8).

5. A low-carbon multi-function door frame structure according to claim 4, wherein: one end of a pull rod (14) is hinged to two sides of the rigid leg U-shaped beam (7) and the inverted flexible leg U-shaped beam (8), and the other end of the pull rod (14) is hinged to the main beam (1).