Walking anti-collision structure of gantry crane

By designing a collision avoidance structure including base, support block, mounting frame and protective plate in a door-mount crane, the impact force is slowed down by using springs and rubber collision plates, and adapting equipment of different widths through adjustable protective plate distances, the solution is to solve the problem of The problem of poor anti-collision effect in the prior art has been greatly improved.

CN222159577UActive Publication Date: 2024-12-13QINGDAO ZHENDA IND EQUIP CO LTD
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Patent Information

Application Number
CN202420604362.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2024-12-13
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

The anti-collision effect of the existing door-mount crane walking anti-collision structure is average, and it is easy to cause damage to the equipment due to collisions, which has certain limitations.

Method used

A walking and collision-proof structure including a base, support block, connecting shaft, movable wheel, pillar, mounting frame, protective plate and spring is designed. The base is wrapped by a fixed bracket and protective plate, and the spring and rubber collision-proof plate are used to slow down. The impact force is enhanced by adjustable mounting columns and protective plates to adjust the protection distance to enhance the collision avoidance function.

Benefits of technology

It effectively strengthens the anti-collision function of the equipment, slows down the collision force, and adapts to equipment of different widths through the adjustable protective plate distance, improving the protection effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gantry crane walking anti-collision structure which comprises a base, the left portion and the right portion of the lower end of the base are each fixedly provided with a set of supporting blocks, the two sets of supporting blocks are distributed in a bilateral symmetry mode, each set of supporting blocks comprises two supporting blocks, and connecting shafts are movably installed on the two sets of supporting blocks in a penetrating and inserting mode. The two connecting shafts are distributed in a bilateral symmetry mode. According to the walking anti-collision structure of the gantry crane, the mounting frames and the protection plates are arranged, firstly, the two mounting frames and the two protection plates are fixed to the four end faces of the base respectively, the base is wrapped by the two mounting frames and the two protection plates, the protection performance can be enhanced, and when the structure is collided, the base is prevented from being damaged, and the safety of the structure is improved. Under the interaction of the spring and the rubber anti-collision plate, the collision force can be relieved, so that the anti-collision function is enhanced; by arranging the mounting columns, the front and rear protection distance of the protection plates on the front and rear sides can be adjusted according to the width of the equipment.
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Description

Technical Field

[0001] The utility model relates to the technical field of portal cranes, in particular to a walking anti-collision structure of a portal crane. Background Art

[0002] The gantry crane has been developed along with the development of the port industry. It is a lifting equipment that runs along the crane track on the ground or on a building to perform lifting and loading and unloading operations. The crane is installed on a base, and the crane is an existing technology.

[0003] The prior art (patent number: CN217732482U) discloses a travel anti-collision structure for a gantry crane, including a travel mechanism, an anti-collision mechanism and a contact member. The travel mechanism includes a frame and a wheel, and the wheel is rotatably mounted on the surface of the frame; the anti-collision mechanism includes a rotating shaft and a cross support rod, and the rotating shaft is rotatably mounted on the surface of the frame, and the cross support rod is fixed to the surface of the rotating shaft. The surface of the frame is provided with a driver, and the driving end of the driver is connected to the rotating shaft in a transmission manner; the contact member is fixed at one end of the cross support rod. The beneficial effect of the utility model is that the contact member is supported by the rotating shaft and the cross support rod, so that the cross support rod and the contact member separate the external objects from the frame, reducing the possibility of the external objects directly hitting the frame, and the rotating shaft is driven by the driver to rotate, so that the cross support rod and the contact member move around the rotating shaft, and the contact member is moved to the ground or track, so that the snow on the ground can be cleared to reduce the possibility of the snow affecting the movement of the wheels and the frame.

[0004] The existing anti-collision structure for the travel of a gantry crane has the following drawbacks. Since the anti-collision effect of the existing equipment is average, the equipment is easily damaged by collision, which makes the equipment have certain limitations. Therefore, we propose a new anti-collision structure for the travel of a gantry crane. Utility Model Content

[0005] The main purpose of the utility model is to provide a walking anti-collision structure for a portal crane, which can effectively enhance the anti-collision function of the equipment.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A walking anti-collision structure for a gantry crane comprises a base, a group of support blocks are fixedly installed on the left and right parts of the lower end of the base, the two groups of support blocks are symmetrically distributed on the left and right sides and each group is provided with two, connecting shafts are movably installed and inserted on the two groups of support blocks, the two connecting shafts are symmetrically distributed on the left and right sides, and movable wheels are fixedly sleeved on the front and rear parts of the outer surfaces of the two connecting shafts, a group of pillars are fixedly installed on the left and right ends of the base, and mounting frames are fixedly installed on the left and right ends of the two groups of pillars, a group of mounting columns are fixedly installed on the front and rear ends of the base, and protective plates are fixedly installed on the front and rear ends of the two groups of mounting columns.

[0008] Preferably, a group of connecting grooves are opened at the left and right ends of the base, a group of No. 2 storage grooves are opened at the left and right ends of the base, a group of No. 1 storage grooves are opened at the front and rear ends of the base, and a group of installation grooves are opened at the front and rear ends of the base.

[0009] Preferably, the two groups of installation grooves and the two groups of No. 1 storage grooves are distributed symmetrically front to back and each group is provided with two, and the two groups of connection grooves and the two groups of No. 2 storage grooves are distributed symmetrically left to right and each group is provided with two.

[0010] Preferably, the front right end and the rear right end of the mounting frame are both provided with fixing grooves, the front left end and the front right end of the mounting frame are both movably inserted and connected with connecting columns, the left ends of the two connecting columns are commonly fixedly connected with a rubber anti-collision plate, the outer surfaces of the two connecting columns are movably sleeved with springs, the pillars are fixedly inserted in the fixing grooves, and the end of the pillar away from the fixing groove is fixedly inserted and connected in the connecting groove.

[0011] Preferably, a movable groove is provided at the front end of the mounting column, a movable column is movably connected inside the movable groove, a plurality of limit holes are provided at the upper end of the movable column, a limit pin is movably inserted and connected at the front end of the upper end of the mounting column, and a bracket is fixedly connected to the front end of the movable column.

[0012] Preferably, the limiting pin passes through the mounting column and is movably inserted and connected in the limiting hole, and the mounting column is fixed in the mounting groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting the mounting frame and the protective plate, the anti-collision effect of the whole structure can be enhanced. When in use, firstly, the two mounting frames and the two protective plates are fixed to the four end faces of the base respectively, and the base is wrapped inside by the two mounting frames and the two protective plates, so as to enhance the protection. When the structure collides, the impact force can be reduced by the interaction between the spring and the rubber anti-collision plate, thereby enhancing the anti-collision function. When the connecting column is retracted toward the base, the connecting column can be retracted into the second storage slot to avoid collision between the connecting column and the base;

[0015] 2. In the utility model, by setting the mounting column, the front and rear protective plates can adjust the front and rear protective distance according to the width of the device. When in use, when the width of the device is greater than the width of the two protective plates, the limit pin is removed from the limit hole and the mounting column, and the movable column is stretched outward from the mounting column, thereby increasing the length of the movable column and the mounting column, so that the protective plate can be better extended outward, making the front and rear distance of the protective plate easy to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a traveling anti-collision structure of a portal crane according to the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a base of a walking anti-collision structure of a portal crane according to the utility model;

[0018] Figure 3 It is a schematic diagram of the overall structure of a mounting frame of a traveling anti-collision structure of a portal crane according to the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the overall structure of a mounting column of a traveling anti-collision structure of a portal crane.

[0020] In the figure: 1. base; 2. support block; 3. connecting shaft; 4. movable wheel; 5. pillar; 6. mounting frame; 7. mounting column; 8. protective plate; 9. mounting slot; 10. No. 1 storage slot; 11. connecting slot; 12. No. 2 storage slot; 61. fixing slot; 62. connecting column; 63. rubber anti-collision plate; 64. spring; 71. movable slot; 72. limit pin; 73. movable column; 74. limit hole; 75. bracket. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4 As shown, a walking anti-collision structure of a gantry crane includes a base 1, a group of support blocks 2 are fixedly installed on the left and right lower ends of the base 1, the two groups of support blocks 2 are symmetrically distributed and each group is provided with two, connecting shafts 3 are movably installed on the two groups of support blocks 2, the two connecting shafts 3 are symmetrically distributed, and movable wheels 4 are fixedly sleeved on the front and rear outer surfaces of the two connecting shafts 3, a group of pillars 5 are fixedly installed on the left and right ends of the base 1, and the left and right ends of the two groups of pillars 5 are commonly fixedly installed with mounting frames 6, a group of mounting columns 7 are fixedly installed on the front and rear ends of the base 1, and the front and rear ends of the two groups of mounting columns 7 are commonly fixedly installed with protective plates 8.

[0025] A group of connecting grooves 11 are provided at the left and right ends of the base 1, a group of No. 2 storage grooves 12 are provided at the left and right ends of the base 1, a group of No. 1 storage grooves 10 are provided at the front and rear ends of the base 1, and a group of mounting grooves 9 are provided at the front and rear ends of the base 1; the two groups of mounting grooves 9 and the two groups of No. 1 storage grooves 10 are symmetrically distributed front to back and each group is set to two, the two groups of connecting grooves 11 and the two groups of No. 2 storage grooves 12 are symmetrically distributed left to right and each group is set to two; a fixing groove 61 is provided at the front right end and the rear right end of the mounting frame 6, and the front left end and the front right end of the mounting frame 6 are movably connected with connecting columns 62, and the left ends of the two connecting columns 62 are fixedly connected to the rubber anti-collision plate 63, and the outer surfaces of the two connecting columns 62 are movably sleeved There is a spring 64, and the pillar 5 is fixedly inserted in the fixing groove 61, and the end of the pillar 5 away from the fixing groove 61 is fixedly inserted and connected in the connecting groove 11; by setting the mounting frame 6 and the protective plate 8, the anti-collision effect of the entire structure can be enhanced. When in use, first fix the two mounting frames 6 and the two protective plates 8 on the four end faces of the base 1 respectively, and wrap the base 1 inside with the two mounting frames 6 and the two protective plates 8 to enhance the protection. When the structure collides, the impact force can be reduced through the interaction between the spring 64 and the rubber anti-collision plate 63, thereby enhancing the anti-collision function. When the connecting column 62 shrinks toward the base 1, the connecting column 62 can shrink into the second storage slot 12 to avoid collision between the connecting column 62 and the base 1.

[0026] A movable groove 71 is provided at the front end of the mounting column 7, and a movable column 73 is movably connected inside the movable groove 71. A plurality of limiting holes 74 are provided at the upper end of the movable column 73. The front end of the upper end of the mounting column 7 is movably connected with a limiting pin 72, and the front end of the movable column 73 is fixedly connected with a bracket 75; the limiting pin 72 passes through the mounting column 7 and is movably connected in the limiting hole 74, and the mounting column 7 is fixed in the mounting groove 9; by setting the mounting column 7, the front and rear protective plates 8 on both sides can be adjusted to the front and rear protection distance according to the width of the equipment. When in use, when the width of the equipment is greater than the width of the two protective plates 8, the limiting pin 72 is removed from the limiting hole 74 and the mounting column 7, and the movable column 73 is stretched outward from the mounting column 7, thereby increasing the length of the movable column 73 and the mounting column 7, so that the protective plate 8 can be better extended outward, making the front and rear distance of the protective plate 8 easy to adjust.

[0027] It should be noted that the utility model is a gantry crane walking anti-collision structure. By setting the mounting frame 6 and the protective plate 8, the anti-collision effect of the whole structure can be enhanced. When in use, firstly, the two mounting frames 6 and the two protective plates 8 are fixed to the four end faces of the base 1 respectively, and the base 1 is wrapped inside by the two mounting frames 6 and the two protective plates 8, so as to enhance the protection. When the structure collides, the impact force can be reduced by the interaction between the spring 64 and the rubber anti-collision plate 63, thereby enhancing the anti-collision function. When the connecting column 62 is retracted toward the base 1, the connecting column 62 is connected to the base 1. The connecting column 62 can be retracted into the second storage slot 12 to avoid collision between the connecting column 62 and the base 1; by setting the mounting column 7, the front and rear protective plates 8 can adjust the front and rear protective distances according to the width of the device. When in use, when the width of the device is greater than the width of the two protective plates 8, the limit pin 72 is removed from the limit hole 74 and the mounting column 7, and the movable column 73 is stretched outward from the mounting column 7, thereby increasing the length of the movable column 73 and the mounting column 7, so that the protective plate 8 can be better extended outward, making the front and rear distance of the protective plate 8 easy to adjust.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A traveling anti-collision structure for a portal crane, comprising a base (1), characterized in that: A group of support blocks (2) are fixedly mounted on the left and right parts of the lower end of the base (1), the two groups of support blocks (2) are symmetrically distributed on the left and right sides and each group is provided with two, a connecting shaft (3) is movably installed on the two groups of support blocks (2), the two connecting shafts (3) are symmetrically distributed on the left and right sides, and movable wheels (4) are fixedly sleeved on the front and rear parts of the outer surfaces of the two connecting shafts (3), a group of pillars (5) are fixedly mounted on the left and right ends of the base (1), and a mounting frame (6) is fixedly mounted on the left and right ends of the two groups of pillars (5), a group of mounting columns (7) are fixedly mounted on the front and rear ends of the base (1), and a protective plate (8) is fixedly mounted on the front and rear ends of the two groups of mounting columns (7); The front right end and the rear right end of the mounting frame (6) are both provided with a fixing groove (61); the front left end and the front right end of the mounting frame (6) are both movably inserted and connected with a connecting column (62); the left ends of the two connecting columns (62) are commonly fixedly connected with a rubber anti-collision plate (63); the outer surfaces of the two connecting columns (62) are both movably sleeved with a spring (64); the support column (5) is fixedly inserted in the fixing groove (61); and one end of the support column (5) away from the fixing groove (61) is fixedly inserted and connected in the connecting groove (11).

2. The anti-collision structure for gantry crane according to claim 1, characterized in that: The left and right ends of the base (1) are each provided with a group of connecting grooves (11), the left and right ends of the base (1) are each provided with a group of No. 2 storage grooves (12), the front and rear ends of the base (1) are each provided with a group of No. 1 storage grooves (10), and the front and rear ends of the base (1) are each provided with a group of installation grooves (9).

3. The anti-collision structure for gantry crane according to claim 2, characterized in that: The two groups of installation slots (9) and the two groups of No. 1 storage slots (10) are both symmetrically distributed front-to-back and each group is provided with two, and the two groups of connection slots (11) and the two groups of No. 2 storage slots (12) are both symmetrically distributed left-right and each group is provided with two.

4. The anti-collision structure for traveling of a portal crane according to claim 3 is characterized in that: The front end of the mounting column (7) is provided with a movable groove (71), a movable column (73) is movably connected inside the movable groove (71), a plurality of limiting holes (74) are provided at the upper end of the movable column (73), a limiting pin (72) is movably inserted and connected at the front end of the upper end of the mounting column (7), and a bracket (75) is fixedly connected at the front end of the movable column (73).

5. The anti-collision structure for traveling of a portal crane according to claim 4, characterized in that: The limiting pin (72) passes through the mounting column (7) and is movably inserted and connected in the limiting hole (74); the mounting column (7) is fixed in the mounting groove (9).