Static load loading device of overhead and portal crane

By designing a limit assembly to stabilize the loading plate, the problems of center of gravity offset and insufficient safety in the static load test of the gantry crane were solved, and stable positioning of the loading plate and improved safety were achieved.

CN223445074UActive Publication Date: 2025-10-17HENAN YUWEI CRANE CO LTD
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Patent Information

Application Number
CN202422635826.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-17
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

During the static load test of a gantry crane, the center of gravity of the loading plate is difficult to maintain stable, and the lack of a limiting structure leads to insufficient safety.

Method used

A loading device including a base plate, a beam, a bracket and a limit assembly is designed. The limit assembly consists of a limit column and a conical head. The stable positioning of the loading plate is achieved through threaded connection and plug-in connection, and it can adapt to different numbers of loading plates.

Benefits of technology

The stable positioning of the loading plate is achieved, the accuracy of the load center of gravity and the test safety are guaranteed, and the reliability of the test is improved.

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Abstract

The utility model discloses an overhead and portal crane static load loading device which comprises a base plate, loading plates are stacked on the upper portion of the base plate, cross beams are arranged at the left end and the right end of the upper portion of the base plate, and supports are fixedly installed between the outer walls of the cross beams and the outer surface of the upper end of the base plate. Limiting assemblies are fixedly installed on the left side and the right side of the middle of the outer surface of the upper end of the base plate, the limiting assemblies are assembled by multiple sets of connecting pieces, each set of connecting piece comprises a limiting column and a conical head, a mounting groove is formed in the outer surface of the lower end of each limiting column, and a screw rod is fixedly installed on the upper portion of each mounting groove. According to the static load loading device for the overhead and portal crane, the loading plate can be conveniently positioned and limited through the arranged limiting assembly, the stability of the load gravity center is ensured, the safety of a test can be improved, and the loading plate can be conveniently positioned and limited through the arranged limiting assembly. The height of the limiting assembly can be selectively assembled according to the number of the loading plates.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bridge -portal crane, concretely is a bridge -portal crane static load loading device. BACKGROUND

[0002] The main role of the static load test of the bridge -portal crane is to detect the structure carrying capacity, safety performance and the working state of each part of the crane, through the static load test, the structure strength, rigidity and stability of the crane can be comprehensively evaluated, and the safety operation under the rated load is ensured.

[0003] In the prior art, when carrying out the static load test of the bridge -portal crane, the loading plate needs to be placed on the hoisted substrate, but the following shortcomings exist during use:

[0004] 1, when adding the loading plate on the substrate, the position of each group of plate is difficult to be unified, therefore, the gravity center is offset, and the accuracy of the test data is affected;

[0005] 2, in the prior art, when stacking the loading plate on the substrate, the loading plate is easy to slide off the substrate due to the lack of limiting structure, and the safety is insufficient.

[0006] Therefore, we propose a bridge -portal crane static load loading device. CONTENT OF THE UTILITY MODEL

[0007] (I) technical problem solved

[0008] In view of the deficiencies of the prior art, the utility model provides a bridge -portal crane static load loading device, which is convenient for keeping the stability of the load gravity center, limiting the loading plate, improving the safety and other advantages, and can effectively solve the problems in the background art.

[0009] (II) technical scheme

[0010] In order to achieve the above purpose, the utility model takes the technical scheme that a bridge -portal crane static load loading device, including the substrate, the upper part of the substrate is stacked with the loading plate, the left and right ends of the upper part of the substrate are provided with the crossbeam, the outer wall of the crossbeam and the upper end outer surface of the substrate are all fixedly installed with the support, the left and right sides of the middle part of the upper end outer surface of the substrate are all fixedly installed with the limiting assembly, the limiting assembly is assembled by a plurality of connecting pieces, a connecting piece includes the limiting column and the conical head, the lower end outer surface of the limiting column is provided with the installation groove, the upper part of the installation groove is fixedly installed with the screw rod, the conical head is fixedly installed on the upper end outer surface of the limiting column, the internal thread hole is opened in the upper end outer surface of the conical head, the both sides of the middle part of the upper end outer surface of the loading plate are all provided with the through hole.

[0011] Preferably, the middle part of the outer surface of the upper end of the cross beam is fixedly provided with a first lifting ring.

[0012] Preferably, the middle part of the outer surface of the two ends of the loading plate is fixedly provided with a second lifting ring.

[0013] Preferably, the lower end of the limiting column of the limiting assembly is fixedly connected with the upper end of the base plate.

[0014] Preferably, the conical head of one group of limiting columns is inserted into the mounting groove of another group of limiting columns.

[0015] Preferably, the screw of one group of limiting columns is screwed into the internal threaded hole of another group of limiting columns.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a bridge -portal crane static load loading device, has the following beneficial effects:

[0018] 1. The bridge -portal crane static load loading device, through the limiting assembly, the loading plate is positioned and limited, the stability of the load center of gravity is guaranteed, and the safety of the test can be improved.

[0019] 2. The bridge -portal crane static load loading device, through the limiting assembly, the limiting assembly can be selectively assembled according to the height of the loading plate. DETAILED DESCRIPTION

[0020] Figure 1 It is the overall structure schematic view of the utility model a bridge -portal crane static load loading device.

[0021] Figure 2 It is the local structure schematic view of the utility model a bridge -portal crane static load loading device.

[0022] Figure 3 It is the side view sectional view of the limiting assembly in the utility model a bridge -portal crane static load loading device.

[0023] Figure 4 It is the structure schematic view of the loading plate in the utility model a bridge -portal crane static load loading device.

[0024] In the drawing: 1, base plate, 2, cross beam, 3, support, 4, first lifting ring, 5, loading plate, 6, limiting assembly, 7, limiting column, 8, conical head, 9, internal threaded hole, 10, mounting groove, 11, screw, 12, through hole, 13, second lifting ring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] This embodiment is a static load loading device for a gantry crane.

[0027] like Figures 1-4 As shown, it includes a base plate 1, a loading plate 5 is stacked on the upper part of the base plate 1, cross beams 2 are provided at the left and right ends of the upper part of the base plate 1, and brackets 3 are fixedly installed between the outer wall of the cross beam 2 and the upper outer surface of the base plate 1, and limiting components 6 are fixedly installed on the left and right sides of the middle of the upper outer surface of the base plate 1. The limiting components 6 are assembled by multiple groups of connecting parts, and one group of connecting parts includes a limiting column 7 and a conical head 8. The lower outer surface of the limiting column 7 is provided with a mounting groove 10, and a screw 11 is fixedly installed on the upper part of the mounting groove 10. The conical head 8 is fixedly installed on the upper outer surface of the limiting column 7, and an internal threaded hole 9 is provided on the upper outer surface of the conical head 8. Through holes 12 are provided on both sides of the middle of the upper outer surface of the loading plate 5.

[0028] A first lifting ring 4 is fixedly installed in the middle of the outer surface of the upper end of the beam 2; a second lifting ring 13 is fixedly installed in the middle of the outer surface of both ends of the loading plate 5; the lower end outer surface of the bottom limiting column 7 in the limiting assembly 6 is fixedly connected to the upper end outer surface of the base plate 1; the conical head 8 in one group of limiting columns 7 and the mounting groove 10 in the other group of limiting columns 7 are plug-in; the screw 11 in one group of limiting columns 7 and the internal threaded hole 9 in the other group of limiting columns 7 are threadedly connected.

[0029] It should be noted that the utility model is a static load loading device for a gantry crane. The limit assembly 6 is provided. First, the limit assembly 6 needs to be assembled according to the number of loading plates 5 used. During assembly, the conical heads 8 in one group of limit columns 7 are inserted into the mounting grooves 10 in another group of limit columns 7, and then threadedly connected to the internal threaded holes 9 through the screws 11. Therefore, the limit assembly 6 can be selectively assembled at different heights according to the number of loading plates 5 to improve applicability. After the limit assembly 6 is assembled, the loading plate 5 is placed on the upper outer surface of the base plate 1, and the loading plate 5 passes through the limit assembly 6 through the through hole 12. The conical head 8 provided plays a guiding role, so that the limit assembly 6 can pass through the through hole 12 more easily. After the loading plate 5 is limited and positioned by the limit assembly 6, the stability of the load center of gravity is guaranteed, and the safety of the test can be improved.

[0030] It is to be noted that, in the present document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A static load loading device for a gantry crane, comprising a base plate (1), characterized in that: A loading plate (5) is stacked on the upper part of the base plate (1), and a crossbeam (2) is provided at the left and right ends of the upper part of the base plate (1). A bracket (3) is fixedly installed between the outer wall of the crossbeam (2) and the outer surface of the upper end of the base plate (1). A limiting assembly (6) is fixedly installed on both the left and right sides of the middle of the outer surface of the upper end of the base plate (1). The limiting assembly (6) is assembled by multiple groups of connecting parts, and one group of connecting parts includes a limiting column (7) and a conical head (8). The lower end outer surface of the limiting column (7) is provided with a mounting groove (10), and the upper part of the mounting groove (10) is fixedly installed with a screw (11). The conical head (8) is fixedly installed on the outer surface of the upper end of the limiting column (7), and the internal threaded hole (9) is provided on the outer surface of the upper end of the conical head (8). Through holes (12) are provided on both sides of the middle of the outer surface of the upper end of the loading plate (5).

2. The static load loading device for a gantry crane according to claim 1, characterized in that: A first hanging ring (4) is fixedly mounted on the middle portion of the outer surface of the upper end of the crossbeam (2).

3. The static load loading device for a gantry crane according to claim 2, characterized in that: Second hanging rings (13) are fixedly mounted on the middle portions of the outer surfaces of both ends of the loading plate (5).

4. The static load loading device for a gantry crane according to claim 3, characterized in that: The lower end outer surface of the limiting column (7) at the bottom of the limiting component (6) is fixedly connected to the upper end outer surface of the base plate (1).

5. The static load loading device for a gantry crane according to claim 4, characterized in that: The conical heads (8) in one group of the limiting posts (7) are plugged into the mounting grooves (10) in another group of the limiting posts (7).

6. The static load loading device for a gantry crane according to claim 5, characterized in that: The screw rods (11) in one group of the limiting columns (7) and the internal threaded holes (9) in another group of the limiting columns (7) are threadedly connected.