Double-girder multi-lifting-point crane
By designing a double main beam multi-lifting crane and using a multi-point suspension and stop structure, the existing cranes are solved inconvenience and poor safety when hanging items with larger volumes, and efficient and safe lifting operations are achieved.
Patent Information
- Application Number
- CN202421315585.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-06-11
AI Technical Summary
Existing cranes mostly use single-point suspension when hanging, which makes it inconvenient to suspend items when moving larger volumes, and the lifting efficiency is slow and the safety is poor.
Design a double main beam multi-hanging point crane. By setting up a winch trolley and a winch on the double main beam beam frame, the combination of the first steel cable and the second steel cable is used to combine the fixing plate, the winding roller, the reducer motor and Hooks to achieve suspension of four corners of the item, and control the suspension through stop structure and motor to ensure stability and safety.
It effectively avoids the problem of single-point suspension inconvenience, improves lifting efficiency and safety, and facilitates the operation and maintenance of the equipment through the use of the winding roller.
Smart Images
Figure CN222433891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, in particular to a double-main-beam multi-hanging-point crane. Background Art
[0002] A crane refers to a multi-action lifting machine that can lift heavy objects vertically and carry them horizontally within a certain range. It is also called an overhead crane, an overhead crane, or a crane. A crane mainly includes a lifting mechanism, an operating mechanism, a luffing mechanism, a slewing mechanism, and a metal structure. The lifting mechanism is the basic working mechanism of a crane, and is mostly composed of a hanging system and a winch. There are also hydraulic systems that lift heavy objects. The operating mechanism is used to move heavy objects longitudinally and horizontally or adjust the working position of the crane. It is generally composed of an electric motor, a reducer, a brake, and wheels. Most existing cranes use single-point suspension when hanging. When moving some large objects, it is inconvenient to hang the objects, resulting in slow lifting efficiency and poor safety. For this reason, a double-girder multi-hanging-point crane is proposed. Utility Model Content
[0003] The purpose of the utility model is to provide a double-girder multi-hanging-point crane to solve the problem that most of the existing cranes mentioned in the above background technology adopt single-point suspension when hanging, which makes it inconvenient to suspend some larger objects when moving them, resulting in slow lifting efficiency and poor safety.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-girder multi-lifting point crane, comprising a double-girder frame, a winch trolley is slidably connected to the double-girder frame, a winch is installed on the winch trolley, the winch comprises a first steel cable for lifting heavy objects, two connecting frames are fixedly arranged at the bottom end of the first steel cable, a connecting plate is fixedly connected between the bottoms of the two connecting frames, a fixing plate is fixedly arranged at the four corners of the top of the connecting plate, a winding roller is connected between the two fixing plates on the same side, a reduction motor is arranged on one side of the two fixing plates and the output end of the reduction motor is fixedly connected to the winding roller, a partition is fixedly arranged on the outer side of the winding roller, a second steel cable is wound around the outer side of the winding roller, two limit plates are fixedly arranged on both sides of the top of the double-girder frame, one end of the second steel cable passes through the limit plate, one end of the second steel cable is connected to a hook, a stop structure is arranged on the top of the connecting plate, a battery is arranged on the top of the connecting plate and the battery is connected to the reduction motor through electrical connection, and a motor switch is arranged on the top of the connecting plate.
[0005] Preferably, the stopping structure includes a bidirectional threaded rod, which is rotatably mounted on the top inner wall of the connecting plate, and two sliders are slidably arranged inside the top of the connecting plate. The bidirectional threaded rod passes through the sliders, and stop blocks are fixedly arranged on the tops of the two sliders and the stop blocks are located at the bottom of the partition. A motor is arranged on one side of the connecting plate and the output end of the motor is fixedly connected to the bidirectional threaded rod.
[0006] Preferably, a through hole is provided inside the limiting plate, and the second steel cable passes through the through hole.
[0007] Preferably, a slide groove is provided on the top of the connecting plate, and the sliding block is slidably installed inside the slide groove.
[0008] Preferably, a threaded hole is provided inside the slider, and the bidirectional threaded rod is threadedly connected to the slider through the threaded hole.
[0009] Preferably, a connecting hole is provided on one side of the fixing plate, and the winding roller is rotatably connected between the two fixing plates through the connecting hole.
[0010] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:
[0011] The utility model provides a fixing plate, a winding roller, a reduction motor, and a hook. When the article is moved, the hook is hung at the four corners of the article, thereby avoiding the problem that it is inconvenient to hang the article and the hanging is prone to shaking, resulting in poor safety. Then, the motor is started, and the motor drives the stop block to move in opposite directions, so that the stop block stops the winding roller. After the movement is completed, the reduction motor is started, and the reduction motor drives the winding roller to reel in the second steel cable, thereby facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0013] Figure 1 It is a side view structural schematic diagram of the utility model;
[0014] Figure 2 It is a schematic diagram of the stop structure of the utility model;
[0015] Figure 3 It is a schematic cross-sectional structural diagram of the connecting plate of the utility model.
[0016] Explanation of the reference numerals in the accompanying drawings: 1. Double main beam frame; 2. Winch; 3. First steel cable; 4. Connecting frame; 5. Connecting plate; 6. Fixing plate; 7. Winding roller; 8. Reducer motor; 9. Partition; 10. Second steel cable; 11. Limiting plate; 12. Hook; 13. Bidirectional threaded rod; 14. Slider; 15. Stop block; 16. Motor; 17. Battery; 18. Motor switch. DETAILED DESCRIPTION
[0017] 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.
[0018] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.
[0019] Example
[0020] In the prior art, most existing cranes use single-point suspension when suspending. When moving some large objects, it is inconvenient to suspend the objects, resulting in slow lifting efficiency and poor safety.
[0021] See also Figure 1-3The utility model provides a technical solution: a double-girder multi-lifting point crane, comprising a double-girder frame 1, a winch trolley is slidably connected to the double-girder frame 1, and the winch trolley can be installed with a traveling driving device for driving it to walk on the double-girder frame 1. The traveling driving device adopts, for example, the LD150-400 traveling end beam produced by Fuyang Xinbaihui Technology Co., Ltd., a winch 2 is installed on the winch trolley, and the winch 2 adopts the JK3.2T winch produced by Henan Aoerxin Lifting Parts Co., Ltd. The winch 2 includes a first steel cable 3 for lifting heavy objects, two connecting frames 4 are fixedly arranged at the bottom end of the first steel cable 3, a connecting plate 5 is fixedly connected between the bottoms of the two connecting frames 4, and a fixing plate 6 is fixedly arranged at the four corners of the top of the connecting plate 5, and a winding roller 7 is connected between the two fixing plates 6 on the same side, wherein a reduction motor 8 is arranged on one side of the two fixing plates 6, and the output end of the reduction motor 8 is fixed to the winding roller 7 The second steel cable 10 is wound around the outer side of the winding roller 7, and two limit plates 11 are fixedly arranged on both sides of the top of the double-main-beam frame 1. One end of the second steel cable 10 passes through the limit plate 11, and one end of the second steel cable 10 is connected with a hook 12. A stopping structure is arranged on the top of the connecting plate 5, and a battery 17 is arranged on the top of the connecting plate 5. The battery 17 is connected to the reduction motor 8 through electrical connection, and a motor switch 18 is arranged on the top of the connecting plate 5. When moving the object, the hook 12 is pulled outward according to demand to adjust the length of the second steel cable 10, and then the hook 12 is hung at the corner of the object to improve the stability of the suspension, and then the winding roller 7 is stopped by the stopping structure. After the movement is completed, the stopping structure is released and the reduction motor 8 is started. The reduction motor 8 will drive 67 to rotate, so that the winding roller 7 reels the second steel cable 10, thereby improving the convenience of use.
[0022] The stopping structure includes a bidirectional threaded rod 13, which is rotatably mounted on the top inner wall of the connecting plate 5. Two sliders 14 are slidably arranged inside the top of the connecting plate 5. The bidirectional threaded rod 13 passes through the slider 14. Stop blocks 15 are fixedly arranged on the tops of the two sliders 14 and the stop blocks 15 are located at the bottom of the partition 9. A motor 16 is arranged on one side of the connecting plate 5 and the output end of the motor 16 is fixedly connected to the bidirectional threaded rod 13. After the length of the second steel cable 10 is adjusted according to the object, the motor 16 is started. The motor 16 will drive the bidirectional threaded rod 13 to rotate, so that the bidirectional threaded rod 13 drives the stop block 15 to move, and the stop block 15 will squeeze and stop the partition 9, thereby stopping the winding roller 7, which is convenient for adjusting the length of the second steel cable 10 according to the size of the object.
[0023] The limiting plate 11 has a through hole inside, and the second steel cable 10 passes through the through hole. The limiting plate 11 limits the second steel cable 10.
[0024] A slide groove is provided on the top of the connecting plate 5 , and a slider 14 is slidably installed inside the slide groove. The stop block 15 is slidably installed on the top of the connecting plate 5 through the slider 14 .
[0025] A threaded hole is provided inside the slider 14 , and the bidirectional threaded rod 13 is threadedly connected to the slider 14 through the threaded hole. The slider 14 is driven to move by rotating the bidirectional threaded rod 13 .
[0026] A connecting hole is provided on one side of the fixing plate 6 , and the winding roller 7 is rotatably connected between the two fixing plates 6 through the connecting hole, so that the second steel cable 10 can be easily retracted and released through the winding roller 7 .
[0027] The working principle or structural principle is that when moving the object, the hook 12 is pulled outward according to the demand, so as to adjust the length of the second steel cable 10, and then the hook 12 is hung at the four corners of the object, so as to avoid the inconvenience of hanging the object. At the same time, the hanging is prone to shaking, causing the problem of poor safety. Then start the motor 16, the motor 16 will drive the bidirectional threaded rod 13 to rotate, and the bidirectional threaded rod 13 will drive the stop block 15 to move in opposite directions through the slider 14, so that the stop block 15 squeezes the partition 9, and stops the winding roller 7 through the partition 9, and then moves through the winch 2 and the first steel cable 3. After the movement is completed, start the reduction motor 8, and the reduction motor 8 will drive the winding roller 7 to wind up the second steel cable 10, so as to facilitate use.
[0028] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.
Claims
1. A double-girder multi-lifting point crane, comprising a double-girder frame (1), a hoisting trolley slidably connected to the double-girder frame (1), a hoisting machine (2) mounted on the hoisting trolley, the hoisting machine (2) comprising a first steel cable (3) for lifting a heavy object, characterized in that: Two connecting frames (4) are fixedly provided at the bottom end of the first steel cable (3), a connecting plate (5) is fixedly connected between the bottoms of the two connecting frames (4), a fixing plate (6) is fixedly provided at the four corners of the top of the connecting plate (5), a winding roller (7) is connected between the two fixing plates (6) on the same side, a reduction motor (8) is provided on one side of the two fixing plates (6), and the output end of the reduction motor (8) is fixedly connected to the winding roller (7), a partition plate (9) is fixedly provided on the outer side of the winding roller (7), and the winding roller (7) is provided with a plurality of connecting frames (4) and a plurality of connecting frames (5) are provided with a plurality of connecting frames (5). A second steel cable (10) is wound around the outer side of the roller (7); two limit plates (11) are fixedly arranged on both sides of the top of the double-main-beam frame (1); one end of the second steel cable (10) passes through the limit plate (11); one end of the second steel cable (10) is connected to a hook (12); a stop structure is arranged on the top of the connecting plate (5); a battery (17) is arranged on the top of the connecting plate (5) and the battery (17) is connected to the reduction motor (8) through an electrical connection; and a motor switch (18) is arranged on the top of the connecting plate (5).
2. A double-girder multi-lifting point crane according to claim 1, characterized in that: The stop structure comprises a bidirectional threaded rod (13), the bidirectional threaded rod (13) is rotatably mounted on the top inner wall of the connecting plate (5), two sliders (14) are slidably arranged inside the top of the connecting plate (5), the bidirectional threaded rod (13) passes through the sliders (14), a stop block (15) is fixedly arranged on the top of the two sliders (14), and the stop block (15) is located at the bottom of the partition (9), and a motor (16) is arranged on one side of the connecting plate (5), and the output end of the motor (16) is fixedly connected to the bidirectional threaded rod (13).
3. A double-girder multi-lifting point crane according to claim 1, characterized in that: A through hole is provided inside the limiting plate (11), and the second steel cable (10) passes through the through hole.
4. A double-girder multi-lifting point crane according to claim 2, characterized in that: A sliding groove is provided on the top of the connecting plate (5), and the sliding block (14) is slidably installed inside the sliding groove.
5. The double-girder multi-lifting point crane according to claim 2, characterized in that: A threaded hole is provided inside the slider (14), and the bidirectional threaded rod (13) is threadedly connected to the slider (14) through the threaded hole.
6. The double-girder multi-lifting point crane according to claim 1, characterized in that: A connecting hole is provided on one side of the fixing plate (6), and the winding roller (7) is rotatably connected between the two fixing plates (6) through the connecting hole.