Tool device for replacing balance beam of gantry crane

By designing a T-shaped tooling device, including an adjustable base and cross beam, the problem of replacement and adaptation to different heights of the gantry crane balance beam is solved, and the replacement needs are met and transportation convenience is achieved.

CN222612764UActive Publication Date: 2025-03-14NINGBO PORT BEILUN SECOND CONTAINER TERMINAL BRANCH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421278605.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-03-14
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

It is difficult to design a tooling device for lifting the bottom beam or balance beam of the gantry crane to replace the wheel fork rotary bearing or balance beam of the gantry crane, and at the same time adapting to the gantry crane of different heights for maintenance.

Method used

A tooling device including two bases and one beam is designed. The base adopts a T-shaped structure, with the beams horizontally arranged, and the two ends are respectively arranged at the top of the vertical part of the base to lift and support the balance beam of the gantry crane. The relative distance of the base is adjustable, and the adaptation of different heights is achieved through the heightening section and bolt connection.

Benefits of technology

It has achieved the need for replacement of gantry crane wheel fork rotary bearings or balance beams, and has adapted to the needs of various lifting heights, ensuring that the tooling is shorter in storage and transportation, with a stable center of gravity, and more convenient and flexible transportation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222612764U_ABST
    Figure CN222612764U_ABST
Patent Text Reader

Abstract

The utility model relates to a tooling device for replacing a balance beam of a gantry crane, which comprises two bases, the bases are provided with horizontal parts and vertical parts, the bases adopt T-shaped structures, the vertical parts are arranged at the intersections of two directions of the T-shaped structures in an upward extending manner, and the vertical parts of the two bases are equal in height; the cross beam is horizontally arranged, the two ends of the cross beam are arranged at the top ends of the vertical parts of the bases respectively and used for jacking and supporting the balance beam of the gantry crane in the direction perpendicular to the balance beam of the gantry crane so that components of the gantry crane can be conveniently maintained and replaced, and the T-shaped tops of the two bases are oppositely placed so that the relative distance of the bases can be conveniently adjusted. According to the tool device for replacing the balance beam of the gantry crane, the requirement for replacing a wheel fork pivotal bearing or the balance beam of the gantry crane is met, and the requirement for other various emergency repair can also be met.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of port engineering equipment, in particular to a tooling device for replacing a gantry crane balance beam. Background Art

[0002] Gantry cranes are commonly known as yard cranes. They are special machines for large-scale specialized container yards, mainly used for loading and unloading standard containers. This type of crane is not only suitable for the yards of container terminals, but also for special container yards. Its metal structure is like a door-shaped frame, with two legs installed under the load-bearing main beam. It can walk directly on the track on the ground or on tires. It has the characteristics of high site utilization, large operating range, wide adaptability, and strong versatility, and is widely used in port cargo yards.

[0003] However, as the gantry crane’s service life increases, for example, after more than 20 years, cracks and even breaks may occur in the steel structure of the gantry crane’s wheel fork or balance beam, which seriously affects the normal production operations of the terminal. It is necessary to lift the gantry crane’s bottom beam or balance beam to replace the gantry crane’s wheel fork slewing bearing or balance beam.

[0004] Therefore, a specially designed large-scale tooling is urgently needed to meet the needs of replacing the wheel fork slewing bearing or balance beam of the gantry crane, and also meet the needs of other types of emergency repairs. In addition, the actual gantry cranes are of different heights, and at the same time, it is also necessary to consider how the designed tooling can adapt to gantry cranes of different heights. Summary of the invention

[0005] The technical problem to be solved by the utility model is how to design a tool that can be used for lifting the bottom beam or the balance beam of a gantry crane to replace the wheel fork slewing bearing or the balance beam of the gantry crane, and can also be used for repairing gantry cranes of different heights.

[0006] In order to solve the above technical problems, according to the utility model, a tooling device for replacing the gantry crane balance beam is provided, which includes: two bases, each base having a horizontal portion and a vertical portion, the base adopts a T-shaped structure, and a vertical portion is arranged upwardly extending from the intersection of two directions of the T-shaped structure, and the vertical portions of the two bases are at the same height; a crossbeam, the crossbeam is horizontally arranged, and the crossbeam has two ends, and the two ends are respectively arranged at the top of the vertical portion of the base, and are used to lift and support the gantry crane balance beam in a direction perpendicular to the gantry crane balance beam, so as to facilitate the maintenance and replacement of gantry crane components, wherein the T-shaped tops of the two bases are placed relative to each other, so as to facilitate the adjustment of the relative distance between the bases.

[0007] According to an embodiment of the utility model, the horizontal part and the vertical part of the base can be provided with an oblique rib having one end fixedly connected to the upper end of the vertical part and the other end connected to the T-shaped bottom of the horizontal part to form a triangular structure for reinforcing and stabilizing the base.

[0008] According to an embodiment of the utility model, the tooling device for replacing the gantry crane balance beam may also include: a heightening section, which is arranged at the top of the vertical part of the base and below the cross beam, and is used to heighten the entire tooling device.

[0009] According to an embodiment of the utility model, the tooling device for replacing the gantry crane balance beam may include a plurality of heightening sections.

[0010] According to an embodiment of the utility model, the tooling device for replacing the gantry crane balance beam may also include: bolts, bolt holes are arranged on the base and the heightened section, wherein the base and the heightened section, or multiple heightened sections can be fixedly connected by bolts.

[0011] According to an embodiment of the present invention, the bolt may be an M24 bolt.

[0012] According to an embodiment of the utility model, the crossbeam may be an H-shaped steel with a size of 300mmx300mm.

[0013] According to an embodiment of the present invention, the height of the base including the horizontal portion and the vertical portion may be 1.9 meters.

[0014] According to an embodiment of the utility model, the height of the elevated section may be 1 meter.

[0015] According to an embodiment of the present invention, the height of the crossbeam may be 0.3 meters.

[0016] Compared with the prior art, the technical solution provided by the embodiment of the utility model can at least achieve the following beneficial effects:

[0017] The tooling device for replacing the balance beam of a gantry crane according to the utility model can meet the needs of replacing the wheel fork slewing bearing or the balance beam of the gantry crane, and can also meet the needs of other types of emergency repairs.

[0018] The tooling device for replacing the gantry crane balance beam according to the utility model can meet the needs of various lifting heights.

[0019] According to the tooling device for replacing the gantry crane balance beam of the utility model, compared with the overall design, the segmented design can ensure that the tooling is stored at a lower height, has a more stable center of gravity, and is more convenient and flexible to transport. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model, rather than limiting the present utility model.

[0021] Figure 1 is a schematic diagram showing a tooling device for replacing a gantry crane balance beam according to an embodiment of the utility model;

[0022] Figure 2 is a schematic diagram showing a base according to an embodiment of the utility model;

[0023] Figure 3 It is a schematic diagram showing a heightened section according to an embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0026] Figure 1 is a schematic diagram showing a tooling device for replacing a gantry crane balance beam according to an embodiment of the utility model; Figure 2 is a schematic diagram showing a base according to an embodiment of the utility model; Figure 3 It is a schematic diagram showing a heightened section according to an embodiment of the utility model.

[0027] like Figure 1-3 As shown, the tooling device for replacing the gantry crane balance beam includes: two bases 1 and a crossbeam 2.

[0028] The base 1 has a horizontal portion and a vertical portion. The base 1 adopts a T-shaped structure. A vertical portion is provided extending upward from the intersection of two directions of the T-shaped structure. The vertical portions of the two bases 1 have the same height.

[0029] The crossbeam 2 is arranged horizontally and has two ends, which are respectively arranged at the top of the vertical part of the base 1, and are used to lift and support the gantry crane balance beam in a direction perpendicular to the gantry crane balance beam to facilitate the maintenance and replacement of gantry crane components.

[0030] The T-shaped tops of the two bases 1 are placed relative to each other to facilitate adjusting the relative distance between the bases 1 .

[0031] The tooling device for replacing the balance beam of a gantry crane according to the utility model can meet the needs of replacing the wheel fork slewing bearing or the balance beam of the gantry crane, and can also meet the needs of other types of emergency repairs.

[0032] According to one or some embodiments of the utility model, the horizontal part and the vertical part of the base 1 are provided with oblique ribs with one end fixedly connected to the upper end of the vertical part and the other end connected to the T-shaped bottom of the horizontal part to form a triangular structure for reinforcing and stabilizing the base 1.

[0033] According to one or some embodiments of the utility model, the tooling device for replacing the gantry crane balance beam also includes: a heightening section 3, which is arranged at the top of the vertical part of the base 1 and below the cross beam 2, and is used to heighten the entire tooling device.

[0034] According to one or some embodiments of the present invention, the tooling device for replacing the gantry crane balance beam includes a plurality of heightening sections 3 .

[0035] The tooling device for replacing the gantry crane balance beam according to the utility model can meet the needs of various lifting heights.

[0036] The application methods currently explored are: 1. Base × 1 + heightening section × 1 + crossbeam = 3.2 meters, which can be used to lift the bottom beam of the gantry crane of the corresponding height; 2. Heightening section × 2 = 2.0 meters, which can be used to lift the balance beam of the gantry crane of the corresponding height; 3. Base × 1 = 1.9 meters, which can be used to lift the balance beam of the gantry crane of the corresponding height in special circumstances such as tire blowout and balance beam break; 4. Heightening section × 1 = 1.0 meter, which can be used to lift the wheel fork of the gantry crane of the corresponding height, so as to meet the use when the gantry crane of the corresponding height has no spare tire; 5. Base + heightening section + crossbeam + pad = 3.3 meters, which can be used to lift the bottom beam of the gantry crane of the corresponding height, so as to achieve the purpose of replacing the balance beam of the gantry crane of the corresponding height.

[0037] According to one or some embodiments of the utility model, the tooling device for replacing the gantry crane balance beam also includes: bolts, bolt holes are set in the base 1 and the heightened section 3, and the base 1 and the heightened section 3, or multiple heightened sections 3 are fixedly connected by bolts.

[0038] According to one or some embodiments of the present invention, the bolt is an M24 bolt.

[0039] According to one or some embodiments of the present invention, the crossbeam 2 is an H-shaped steel with a size of 300mmx300mm.

[0040] According to one or some embodiments of the present invention, the height of the base 1 including the horizontal portion and the vertical portion is 1.9 meters.

[0041] According to one or some embodiments of the present invention, the height of the elevated section 3 is 1 meter.

[0042] According to one or some embodiments of the present invention, the height of the crossbeam 2 is 0.3 meters.

[0043] According to the tooling device for replacing the gantry crane balance beam of the utility model, compared with the overall design, the segmented design can ensure that the tooling is stored at a lower height, has a more stable center of gravity, and is more convenient and flexible to transport.

[0044] When in use, 1. Find a level ground to ensure that there is sufficient space around the balance beam of the gantry crane. Sufficient space is convenient for maintenance and replacement of components, and can ensure that the gantry crane can be shut down for about 4 consecutive days; 2. Set up tooling near the side of the balance beam that needs to be replaced; 3. Use the jack for changing tires to slightly raise the cart on the side of the balance beam that needs to be replaced, and then seize the opportunity to put the H-shaped steel beam 2 in; 4. Slowly lower the jack so that all the supporting force required by the equipment falls on the tooling beam 2. Later, the balance beam and its two attached wheel forks will need to be removed as a whole using a large forklift, and then they can be operated for maintenance or replacement.

[0045] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A tooling device for replacing a gantry crane balance beam, characterized in that: include: Two bases, each base having a horizontal portion and a vertical portion, the base adopts a T-shaped structure, a vertical portion is provided extending upward from the intersection of two directions of the T-shaped structure, and the vertical portions of the two bases are of the same height; A crossbeam, the crossbeam is arranged horizontally, and the crossbeam has two ends, and the two ends are respectively arranged at the top of the vertical part of the base, and are used to jack up and support the gantry crane balance beam in a direction perpendicular to the gantry crane balance beam, so as to facilitate the maintenance and replacement of gantry crane parts. Wherein, the T-shaped tops of the two bases are placed relative to each other to facilitate the adjustment of the relative distance between the bases.

2. The tooling device for replacing the gantry crane balance beam according to claim 1, characterized in that: The horizontal part and the vertical part of the base are provided with oblique ribs with one end fixedly connected to the upper end of the vertical part and the other end connected to the T-shaped bottom of the horizontal part to form a triangular structure for reinforcing and stabilizing the base.

3. The tooling device for replacing the gantry crane balance beam according to claim 1, characterized in that: Also includes: A heightening section is arranged at the top of the vertical portion of the base and below the crossbeam, and is used to heighten the entire tooling device.

4. The tooling device for replacing the gantry crane balance beam according to claim 3, characterized in that: The tooling device includes a plurality of heightened sections.

5. The tooling device for replacing the gantry crane balance beam according to claim 4, characterized in that: Also includes: Bolts, bolt holes are set on the base and heightened section. The base and the heightened section or the plurality of heightened sections are fixedly connected by bolts.

6. The tooling device for replacing the gantry crane balance beam according to claim 5, characterized in that: The bolts are M24 bolts.

7. The tooling device for replacing the gantry crane balance beam according to claim 1, characterized in that: The crossbeam is H-shaped steel, model: 300mmx300mm.

8. The tooling device for replacing the gantry crane balance beam according to claim 1, characterized in that: The base has a height of 1.9 meters including the horizontal part and the vertical part.

9. The tooling device for replacing the gantry crane balance beam according to claim 3, characterized in that: The height of the elevated section is 1 meter.

10. The tooling device for replacing the gantry crane balance beam according to claim 1, characterized in that: The height of the crossbeam is 0.3 meters.