Large-span crane with high wind resistance

Abstract

The utility model discloses a large-span crane with strong wind resistance, which comprises a support frame, a fixed block fixedly welded on one side of the support frame, a support rod fixedly welded on one end of the fixed block, a protective rod fixedly welded on the upper end of the support rod, and a foot bar fixedly welded inside the support rod. The water tank is fixedly installed on the side face of the supporting frame, the water injection plug is removed to inject water flow into the water tank, and therefore the weight of the bottom of the supporting frame is increased, the wind-resistant strength of the crane is improved, the sealing bolts are rotationally removed to drive the sealing rings to be removed, water flow in the water tank is conveniently discharged, and the crane is conveniently transported. The supporting rod, the foot bar, the protective rod and the ladder stand are fixedly installed on one side of the supporting frame, maintenance personnel can conveniently climb to the upper end of the main beam to maintain the maintenance equipment, the ladder stand is pushed upwards to drive the hook to move upwards, the hook is connected with the foot bar above the supporting rod in a hanging mode, the ladder stand is suspended, and non-maintenance personnel can be prevented from climbing.

Description

Technical Field

[0001] The utility model relates to the technical field of general mechanical equipment manufacturing, in particular to a large-span crane with strong wind resistance. Background Art

[0002] A crane is a lifting machine that can lift heavy objects vertically and carry them horizontally within its moving range. It is also called an overhead crane or an overhead crane.

[0003] At present, in the existing invention, the entire anti-sway component of the anti-sway device is always at the end of the twist rope, that is, at the hoisting object, so that the anti-sway effect is more reliable.

[0004] For example, a large-span bridge crane disclosed in the authorization number CN114408742A includes a rectangular frame erected on the ground by supporting legs, the rectangular frame is connected to a sliding plate by a sliding assembly, the bottom of the sliding plate is provided with a driving assembly, the driving assembly is connected to two groups of anti-sway assemblies by a twisted rope, the two groups of anti-sway assemblies are arranged with a ninety-degree rotation offset by their center, the bottom of the anti-sway assembly is provided with a hook, the anti-sway assembly includes a damping box and a box cover, the box cover is fixedly installed on the top outer wall of the damping box, the bottom outer wall of the box cover is rotatably connected to a swing rod, the other end of the swing rod is fixedly connected to a connecting shaft, and the outer wall of the connecting shaft is fixedly installed with a counterweight assembly. However, such a large-span bridge crane is not convenient for adding supporting leg counterweights, and it is not convenient for maintenance personnel to climb above the crane to maintain and repair the equipment.

[0005] It can be seen from the solutions disclosed in the above-mentioned existing patent documents that it is inconvenient to add counterweights to the supporting legs, and it is inconvenient for maintenance personnel to climb above the crane to maintain and repair the equipment. Therefore, it is necessary to improve the existing technology. Utility Model Content

[0006] The utility model aims to provide a large-span crane with strong wind resistance, so as to solve the problems that it is inconvenient to add weights to the supporting legs and it is inconvenient for maintenance personnel to climb above the crane to maintain and repair equipment.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-span crane with strong wind resistance, comprising a support frame, a fixed block is fixedly welded to one side of the support frame, a support rod is fixedly welded to one end of the fixed block, a protective rod is fixedly welded to the upper end of the support rod, a pedal rod is fixedly welded to the inside of the support rod, a hook is hung on the outside of the pedal rod, a ladder is fixedly welded to the lower end of the hook, a water tank is fixedly installed on the side of the support frame, a water tank is arranged inside the water tank, and a water filling plug is tightly plugged inside the upper end of the water tank.

[0008] Preferably, water is injected into the water tank, and a sealing ring is pressed on the side of the water tank. The water tank is fixedly installed on the side of the support frame, and the water injection plug is removed to inject water into the water tank, thereby increasing the weight of the bottom of the support frame to improve the wind resistance of the crane.

[0009] Preferably, a sealing bolt is threadedly connected to the inside of the lower end of one side of the water tank, and a sealing ring is sleeved on the outer side of the sealing bolt. The sealing ring can be removed by rotating the sealing bolt to facilitate the discharge of water inside the water tank for transportation of the crane.

[0010] Preferably, the upper end of the support frame is fixedly connected to the main beam, and a protective rod is fixedly welded to the upper end of the main beam. By fixing the support rod, pedal rod, protective rod and ladder on one side of the support frame, it is convenient for maintenance personnel to climb to the upper end of the main beam to maintain and repair equipment.

[0011] Preferably, a step rod is fixedly welded inside the protective rod, and the inner side of the ladder is close to the step rod. The hook is moved upward by pushing the ladder upward, so that the hook is hooked on the step rod above the support rod, and the ladder is suspended in the air, which can prevent non-maintenance personnel from climbing.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model has water flow injected into the water tank, and a sealing ring is pressed on the side of the water tank. The water tank is fixedly installed on the side of the support frame, and the water injection plug is removed to inject water into the water tank, thereby increasing the weight of the bottom of the support frame to improve the wind resistance of the crane.

[0014] 2. The lower end of one side of the water tank of the utility model is internally connected with a sealing bolt through a thread, and a sealing ring is sleeved on the outer side of the sealing bolt. The sealing ring can be removed by rotating the sealing bolt to facilitate the discharge of water inside the water tank for transportation by the crane.

[0015] 3. The upper end of the support frame of the utility model is fixedly connected to the main beam, and a protective rod is fixedly welded to the upper end of the main beam. By fixing the support rod, pedal rod, protective rod and ladder on one side of the support frame, it is convenient for maintenance personnel to climb to the upper end of the main beam to maintain and repair equipment.

[0016] 4. The utility model has a welded step bar fixed inside the protection bar, and the inner side of the ladder is close to the step bar. By pushing the ladder upward, the hook is driven to move upward, so that the hook is hooked to the step bar above the support rod, and the ladder is suspended in the air, which can prevent non-maintenance personnel from climbing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2This is an enlarged left view of the ladder of the utility model;

[0019] Figure 3 It is an enlarged view of point A of the present utility model.

[0020] In the figure: 1 support frame, 11 fixing block, 12 support rod, 13 protection rod, 14 step rod, 15 hook, 16 ladder, 17 main beam, 2 water tank, 21 water tank, 22 water filling plug, 23 sealing bolt, 24 sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Example 1

[0023] See also Figure 1-3 A large-span crane with strong wind resistance shown in the figure includes a support frame 1, a fixing block 11 is fixedly welded to one side of the support frame 1, a support rod 12 is fixedly welded to one end of the fixing block 11, a protective rod 13 is fixedly welded to the upper end of the support rod 12, a pedal rod 14 is fixedly welded inside the support rod 12, a hook 15 is hung on the outer side of the pedal rod 14, a ladder 16 is fixedly welded to the lower end of the hook 15, a water tank 2 is fixedly installed on the side of the support frame 1, a water trough 21 is arranged inside the water tank 2, and a water filling plug 22 is tightly plugged inside the upper end of the water tank 2.

[0024] In order to improve the wind resistance of the crane, water is injected into the water tank 21, and a sealing ring 24 is pressed on the side of the water tank 2. The water tank 2 is fixedly installed on the side of the support frame 1, and the water injection plug 22 is removed to inject water into the water tank 21, thereby increasing the weight of the bottom of the support frame 1 to improve the wind resistance of the crane. A sealing bolt 23 is threadedly connected to the inside of the lower end of one side of the water tank 2, and a sealing ring 24 is sleeved on the outside of the sealing bolt 23. The sealing bolt 23 is removed by rotating to drive the sealing ring 24 to be removed, so as to facilitate the discharge of water from the water tank 2 to transport the crane.

[0025] In this embodiment, the water tank 2 is fixedly installed on the side of the support frame 1, and the water filling plug 22 is removed to inject water into the water tank 21, thereby increasing the weight of the bottom of the support frame 1 to improve the wind resistance of the crane. The sealing bolt 23 is removed by rotating to drive the sealing ring 24 to be removed, so as to facilitate the discharge of water from the water tank 2 to transport the crane.

[0026] Example 2

[0027] See also Figure 1-3 The present embodiment further explains Example 1. The figure shows a large-span crane with strong wind resistance, including a support frame 1, a fixed block 11 is fixedly welded to one side of the support frame 1, a support rod 12 is fixedly welded to one end of the fixed block 11, a protective rod 13 is fixedly welded to the upper end of the support rod 12, a pedal rod 14 is fixedly welded inside the support rod 12, a hook 15 is hung on the outer side of the pedal rod 14, a ladder 16 is fixedly welded to the lower end of the hook 15, a water tank 2 is fixedly installed on the side of the support frame 1, a water trough 21 is arranged inside the water tank 2, and a water filling plug 22 is tightly plugged inside the upper end of the water tank 2.

[0028] In order to facilitate maintenance personnel to climb to the upper end of the main beam 17 to maintain and repair equipment, the upper end of the support frame 1 is fixedly connected to the main beam 17, and the upper end of the main beam 17 is fixedly welded with a protective rod 13. By fixing a support rod 12, a pedal rod 14, a protective rod 13 and a ladder 16 on one side of the support frame 1, it is convenient for maintenance personnel to climb to the upper end of the main beam 17 to maintain and repair equipment. The pedal rod 14 is fixedly welded inside the protective rod 13, and the inner side of the ladder 16 is close to the pedal rod 14. By pushing the ladder 16 upward, the hook 15 is driven to move upward, so that the hook 15 is hooked on the pedal rod 14 above the support rod 12, and the ladder 16 is suspended in the air, which can prevent non-maintenance personnel from climbing.

[0029] In this embodiment, by fixing the support rod 12, the pedal rod 14, the protective rod 13 and the ladder 16 on one side of the support frame 1, it is convenient for maintenance personnel to climb to the upper end of the main beam 17 to maintain and repair the equipment. By pushing the ladder 16 upward, the hook 15 is driven to move upward, so that the hook 15 is hooked to the pedal rod 14 above the support rod 12, and the ladder 16 is suspended in the air, which can prevent non-maintenance personnel from climbing.

[0030] The large-span crane with strong wind resistance is installed with a water tank 2 fixedly on the side of the support frame 1, and water is injected into the water tank 21 by removing the water injection plug 22, thereby increasing the weight of the bottom of the support frame 1 to improve the wind resistance of the crane. The sealing bolt 23 is removed by rotating to drive the sealing ring 24 to be removed, so that the water in the water tank 2 can be discharged conveniently for transporting the crane. The support rod 12, the pedal rod 14, the protective rod 13 and the ladder 16 are fixedly installed on one side of the support frame 1, so that maintenance personnel can climb to the upper end of the main beam 17 to maintain and repair the equipment conveniently. The ladder 16 is pushed upward to drive the hook 15 to move upward, so that the hook 15 is hooked to the pedal rod 14 above the support rod 12, and the ladder 16 is suspended in the air, which can prevent non-maintenance personnel from climbing.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large-span crane with strong wind resistance, comprising a support frame (1), characterized in that: A fixing block (11) is fixedly welded to one side of the support frame (1), a supporting rod (12) is fixedly welded to one end of the fixing block (11), a protective rod (13) is fixedly welded to the upper end of the supporting rod (12), a pedal rod (14) is fixedly welded inside the supporting rod (12), a hook (15) is hung on the outer side of the pedal rod (14), a ladder (16) is fixedly welded to the lower end of the hook (15), a water tank (2) is fixedly mounted on the side of the support frame (1), a water tank (2) is provided inside the water tank (2), and a water filling plug (22) is tightly plugged inside the upper end of the water tank (2).

2. A large-span crane with strong wind resistance according to claim 1, characterized in that: Water is injected into the water tank (21), and a sealing ring (24) is pressed tightly against the side of the water tank (2).

3. A large-span crane with strong wind resistance according to claim 1, characterized in that: A sealing bolt (23) is threadedly connected to the interior of a lower end of one side of the water tank (2), and a sealing ring (24) is sleeved on the outer side of the sealing bolt (23).

4. A large-span crane with strong wind resistance according to claim 1, characterized in that: The upper end of the support frame (1) is fixedly connected to a main beam (17), and the upper end of the main beam (17) is fixedly welded to a protective rod (13).

5. The large-span crane with strong wind resistance according to claim 1 is characterized in that: A pedal rod (14) is fixedly welded inside the protection rod (13), and the inner side of the climbing ladder (16) is in close contact with the pedal rod (14).

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