Deviation rectifying mechanism of overhead and portal crane

By designing a deviation correction mechanism for the gantry crane and utilizing components such as limit plates and guide grooves, the problem of moving wheel displacement was solved, stable positioning of the moving wheels was achieved, the service life of the equipment was extended, and the stability of the limit plates was improved.

CN223342231UActive Publication Date: 2025-09-16HENAN YUWEI CRANE CO LTD
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Patent Information

Application Number
CN202422957647.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-09-16
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

When existing gantry cranes are in operation, the moving wheels are easily displaced, which shortens their service life and makes it difficult to effectively correct deviations.

Method used

A deviation correction mechanism for a gantry crane was designed. Through the coordination of components such as a limit plate, a guide groove, a cylinder, and a guide rod, the smooth movement and limiting of the moving wheel were achieved, ensuring that the moving wheel was located in the middle of the track and reducing the impact of displacement.

Benefits of technology

It effectively reduces the displacement of the moving wheel, prolongs its service life, and improves the stability of the limit plate to ensure the normal operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rectification mechanism of an overhead and gantry crane, which comprises a main beam, movable frames are arranged on the outer surfaces of the two sides of the main beam, a range finder is arranged at the upper end of the outer surface of one side of each movable frame, and movable wheels are arranged on the outer surfaces of the lower ends of the movable frames. And deviation rectifying mechanisms are arranged at the front end and the rear end of the outer surface of one side of the moving frame correspondingly, and each deviation rectifying mechanism comprises a guide groove, a limiting plate, a double-shaft air cylinder, a mounting frame, a limiting groove, a limiting block, a clamping groove, a U-shaped inserting plate, a first single-shaft air cylinder, a fixing frame, a moving groove, a hole groove, a containing groove, a second single-shaft air cylinder and a guide rod. According to the deviation rectifying mechanism of the overhead and gantry crane, the two limiting plates can be conveniently driven to move stably, the moving wheels arranged at the lower end of the moving frame are driven to move to the middle of the track for deviation rectifying, the influence of displacement on the service life is reduced, the limiting plates can be further limited, the placing stability of the limiting plates is improved, and the safety of the overhead and gantry crane is improved. And a better use prospect is brought.
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Description

Technical Field

[0001] The utility model relates to the field of gantry cranes, in particular to a deviation correction mechanism for gantry cranes. Background Art

[0002] A bridge crane is a type of lifting equipment used to lift materials across workshops, warehouses, and material yards. Its ends rest on tall concrete columns or metal supports, giving it a bridge-like shape. The bridge crane's gantry crane's frame runs longitudinally along tracks laid on elevated structures on either side, fully utilizing the space beneath it to lift materials without being obstructed by ground-based equipment. Existing gantry cranes are prone to shifting the moving wheels at the lower end of the frame during operation due to external factors, shortening their service life and making it difficult to perform corrective operations, which adversely affects their operation. Therefore, we propose a corrective mechanism for a gantry crane. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the shortcomings of the existing technology, the utility model provides a correction mechanism for a gantry crane, which can conveniently drive two sets of limit plates to move smoothly, drive the moving wheels set at the lower end of the moving frame to move to the middle of the track for correction, reduce the impact of displacement on service life, further limit the limit plates, and improve the placement stability of the limit plates, etc., which can effectively solve the problems in the background technology.

[0005] (2) Technical solution

[0006] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0007] Preferably, the two groups of limit grooves are respectively opened on both sides of the outer surface of the lower end of the guide groove, the limit block is located on one side of the outer surface of the lower end of the limit plate, the card slot is opened on one side of the outer surface of the upper end of the limit plate, the two groups of movable grooves are respectively opened on both sides of the outer surface of the upper end of the guide groove, the two groups of placement grooves are respectively opened on both sides of the outer surface of the upper end of the guide groove, and the two groups of placement grooves are located between the two groups of movable grooves.

[0008] Preferably, the second single-axis cylinder is located in the middle of the placement slot, the fixing bracket is fixedly installed on the outer surface of one side of the second single-axis cylinder, the two groups of guide rods are respectively fixedly installed on the upper and lower ends of the outer surface of one side of the fixing bracket, the two groups of hole grooves are respectively opened at the upper and lower ends between the movable slot and the placement slot, the first single-axis cylinder is on one side of the outer surface of the lower end of the first single-axis cylinder fixing bracket, and the U-shaped plug plate is located on the outer surface of the lower end of the first single-axis cylinder.

[0009] Preferably, the limiting plate and the guide groove are in sliding connection, and the limiting block and the limiting groove are in sliding connection.

[0010] Preferably, the guide rod and the hole groove are slidably connected, the fixing frame and the movable groove are slidably connected, and the U-shaped plug-in plate and the card slot are plugged in.

[0011] (3) Beneficial effects

[0012] Compared with the prior art, the present invention provides a deviation correction mechanism for a gantry crane, which has the following beneficial effects:

[0013] 1. The correction mechanism of the gantry crane can conveniently drive the two sets of limit plates to move smoothly, and drive the moving wheels set at the lower end of the moving frame to move to the middle of the track for correction, thereby reducing the displacement affecting the service life.

[0014] 2. The deviation correction mechanism of the gantry crane can further limit the limit plate and improve the placement stability of the limit plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a deviation correction mechanism of a gantry crane.

[0016] Figure 2 This is a partial structural analysis diagram of the correction mechanism of a gantry crane in the utility model.

[0017] Figure 3 This utility model is a deviation correction mechanism for a gantry crane Figure 2 Enlarged view of point A in the middle.

[0018] Figure 4 The utility model is a partial structural diagram of a deviation-correcting mechanism of a gantry crane.

[0019] In the figure: 1. Main beam; 2. Hook assembly; 3. Moving frame; 4. Distance meter; 5. Moving wheel; 6. Correction mechanism; 7. Guide groove; 8. Limit plate; 9. Dual-axis cylinder; 10. Mounting frame; 11. Limit groove; 12. Limit block; 13. Card slot; 14. U-shaped plug-in plate; 15. First single-axis cylinder; 16. Fixed frame; 17. Moving groove; 18. Hole slot; 19. Placement slot; 20. Second single-axis cylinder; 21. Guide rod. DETAILED DESCRIPTION

[0020] 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.

[0021] This embodiment is a deviation correction mechanism for a gantry crane.

[0022] like Figure 1-4 As shown, it includes a main beam 1, and a movable frame 3 is provided on the outer surfaces of both sides of the main beam 1. Two groups of movable frames 3 are symmetrically arranged. The upper end of the outer surface of one side of the movable frame 3 is provided with a rangefinder 4, and the outer surface of the lower end of the movable frame 3 is provided with a moving wheel 5. The front and rear ends of the outer surface of one side of the movable frame 3 are provided with a correcting mechanism 6. The correcting mechanism 6 includes a guide groove 7, a limit plate 8, a double-axis cylinder 9, a mounting frame 10, a limit groove 11, a limit block 12, a card slot 13, a U-shaped plug-in plate 14, a first single-axis cylinder 15, a fixed frame 16, a movable groove 17, a hole slot 18, a placement slot 19, a second single-axis cylinder 20 and a guide rod 21. The guide groove 7 is opened at the lower end of the outer surface of one side of the movable frame 3, the mounting frame 10 is located in the middle of the guide groove 7, the double-axis cylinder 9 is located in the middle of the mounting frame 10, two groups of limit plates 8 are fixedly installed on the outer surfaces of both sides of the double-axis cylinder 9, and a hook assembly 2 is provided in the middle of the outer surface of the lower end of the main beam 1.

[0023] The two groups of limit grooves 11 are respectively opened on both sides of the outer surface of the lower end of the guide groove 7; the limit block 12 is located on one side of the outer surface of the lower end of the limit plate 8; the card slot 13 is opened on one side of the outer surface of the upper end of the limit plate 8; the two groups of movable grooves 17 are respectively opened on both sides of the outer surface of the upper end of the guide groove 7; the two groups of placement grooves 19 are respectively opened on both sides of the outer surface of the upper end of the guide groove 7, and the two groups of placement grooves 19 are located between the two groups of movable grooves 17; the second single-axis cylinder 20 is located in the middle of the placement groove 19, the fixing frame 16 is fixedly installed on one side outer surface of the second single-axis cylinder 20, and the two groups of guide rods 21 are respectively fixedly installed Mounted on the upper and lower ends of the outer surface of one side of the fixed frame 16, two sets of holes and grooves 18 are respectively opened at the upper and lower ends between the movable groove 17 and the placement groove 19, the first uniaxial cylinder 15 is on one side of the outer surface of the lower end of the first uniaxial cylinder 15 fixed frame 16, and the U-shaped plug-in plate 14 is located on the outer surface of the lower end of the first uniaxial cylinder 15; the limit plate 8 and the guide groove 7 are slidingly connected, and the limit block 12 and the limit groove 11 are slidingly connected; the guide rod 21 and the hole and groove 18 are slidingly connected, the fixed frame 16 and the movable groove 17 are slidingly connected, and the U-shaped plug-in plate 14 and the card slot 13 are plugged in.

[0024] It should be noted that the present invention is a deviation correction mechanism for a gantry crane. When the rangefinder 4 is measuring and the data changes, the mobile frame 3 is displaced. When deviation correction is required, the double-axis cylinder 9 is started to drive the two sets of limit plates 8 to slide along the guide groove 7 while driving the limit block 12 to move along the limit groove 11. The two sets of limit plates 8 are respectively fitted to the two sides of the track, the moving wheel 5 is moved to the middle of the track, and the second single-axis cylinder 20 is started to drive the fixed frame 16 to move along the moving groove 17 while driving The guide rod 21 slides along the hole groove 18 to move the U-shaped insert plate 14 to the upper end of the slot 13, and the first single-axis cylinder 15 is started to push the U-shaped insert plate 14 to move and clamp the U-shaped insert plate 14 into the corresponding slot 13, thereby further limiting the limit plate 8, which can conveniently drive the two groups of limit plates 8 to move smoothly, and drive the moving wheel 5 set at the lower end of the moving frame 3 to move to the middle of the track for correction, reducing the impact of displacement on service life, and can further limit the limit plate 8 and improve the placement stability of the limit plate 8.

[0025] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A deviation correction mechanism for a gantry crane, comprising a main beam (1), characterized in that: The outer surfaces of both sides of the main beam (1) are provided with a moving frame (3), and the two groups of the moving frames (3) are symmetrically arranged. The upper end of the outer surface of one side of the moving frame (3) is provided with a distance meter (4), and the outer surface of the lower end of the moving frame (3) is provided with a moving wheel (5). The front and rear ends of the outer surface of one side of the moving frame (3) are provided with a correction mechanism (6), and the correction mechanism (6) includes a guide groove (7), a limit plate (8), a double-axis cylinder (9), a mounting frame (10), a limit groove (11), a limit block (12), a card slot (13), a U-shaped insert plate (1 4), a first single-axis cylinder (15), a fixed frame (16), a movable groove (17), a hole groove (18), a placement groove (19), a second single-axis cylinder (20) and a guide rod (21), wherein the guide groove (7) is opened at the lower end of the outer surface of one side of the movable frame (3), the mounting frame (10) is located in the middle of the guide groove (7), the double-axis cylinder (9) is located in the middle of the mounting frame (10), the two groups of the limit plates (8) are fixedly installed on the outer surfaces of both sides of the double-axis cylinder (9), and a hook assembly (2) is provided in the middle of the outer surface of the lower end of the main beam (1).

2. The deviation-correcting mechanism of a gantry crane according to claim 1, characterized in that: The two groups of limit grooves (11) are respectively opened on both sides of the outer surface of the lower end of the guide groove (7); the limit block (12) is located on one side of the outer surface of the lower end of the limit plate (8); the clamping groove (13) is opened on one side of the outer surface of the upper end of the limit plate (8); the two groups of movable grooves (17) are respectively opened on both sides of the outer surface of the upper end of the guide groove (7); the two groups of placement grooves (19) are respectively opened on both sides of the outer surface of the upper end of the guide groove (7), and the two groups of placement grooves (19) are located between the two groups of movable grooves (17).

3. The deviation-correcting mechanism of a gantry crane according to claim 2, characterized in that: The second single-axis cylinder (20) is located in the middle of the placement groove (19), the fixing frame (16) is fixedly installed on the outer surface of one side of the second single-axis cylinder (20), the two groups of guide rods (21) are respectively fixedly installed on the upper and lower ends of the outer surface of one side of the fixing frame (16), the two groups of hole grooves (18) are respectively opened at the upper and lower ends between the movable groove (17) and the placement groove (19), the first single-axis cylinder (15) is on one side of the outer surface of the lower end of the fixing frame (16), and the U-shaped insert plate (14) is located on the outer surface of the lower end of the first single-axis cylinder (15).

4. The deviation-correcting mechanism of a gantry crane according to claim 3, characterized in that: The limiting plate (8) and the guide groove (7) are in sliding connection, and the limiting block (12) and the limiting groove (11) are in sliding connection.

5. The deviation-correcting mechanism of a gantry crane according to claim 4, characterized in that: The guide rod (21) and the hole groove (18) are slidably connected, the fixed frame (16) and the movable groove (17) are slidably connected, and the U-shaped plug plate (14) and the card groove (13) are plugged.