Crane based on vehicle

Abstract

The invention relates to a crane based on a vehicle, and belongs to the technical field of cranes. The crane is composed of a first supporting position, a second supporting position, a stand column, a suspension arm and a hoisting mechanism. The first supporting position is located on the lower half portion of the vehicle and provides bearing and fastening functions. The second supporting position is located on the upper half portion or a roof rack to limit shaking. The lifting arm is used for lifting, and the lifting mechanism is used for lifting and rotating goods. The detachable and portable design is adopted, the structure is simple, installation and carrying are convenient, the vehicle roof cargo loading and unloading problem can be solved through the vehicle foundation, and the temporary lifting requirement is met. The stand column and the suspension arm are made of light high-strength carbon fiber materials, the weight is reduced, and the strength is improved. The lifting arm is telescopic and has the function of a ladder stand, the stand column can serve as a water tank, and the functions are diversified. In addition, the crane is provided with various driving modes, control systems and multifunctional ground supporting legs, the application scene is wide, and the crane has remarkable application prospects and market value.

Description

Technical Field

[0001] The present invention relates to the technical field of cranes, and in particular to a vehicle-based crane, specifically a detachable and portable vehicle-mounted crane suitable for various types of vehicles such as ordinary household vehicles, trucks, SUVs, etc., for loading and unloading roof cargo and other temporary lifting operations. Background Art

[0002] At present, vehicle-mounted cranes are mainly used in special trucks or special vehicles. They have complex structures, heavy weights, and are mostly fixedly installed, making them difficult to disassemble and carry. This type of crane usually requires professional installation and operation, and cannot meet the temporary lifting needs of ordinary household vehicles. SUMMARY OF THE INVENTION For ordinary household vehicles, although the roof racks and trunks can carry goods, it is extremely inconvenient to load and unload goods due to the high height of the roof, resulting in a low actual utilization rate of roof cargo. In addition, existing independent cranes require additional foundations and counterweights, which are difficult for ordinary vehicles to carry, and fixedly installed cranes are illegal modifications while the vehicle is driving, posing a safety hazard. Therefore, there is an urgent need for a vehicle-mounted crane with a simple structure, easy to disassemble and carry, which can use the vehicle itself as a basis to solve the problem of inconvenience in loading and unloading roof cargo, while meeting the needs of temporary lifting operations. Summary of the invention

[0003] The core purpose of the present invention is to overcome the many shortcomings of the prior art and to create a vehicle-mounted crane with a simple structure that is easy to disassemble and carry. The crane can make full use of the vehicle's own foundation to efficiently realize the loading and unloading of roof cargo and other temporary lifting operations.

[0004] Overall structural design: The vehicle-mounted crane of the present invention is mainly composed of a first support position, a second support position, a column, a boom and a lifting mechanism. The first support position is set in the lower part of the vehicle, and plays a key role in providing load-bearing capacity and fastening points; the second support position is located in the upper part of the vehicle or on the roof luggage rack, and is mainly used to prevent the column from tilting or shaking in the horizontal direction, thereby enhancing the overall stability of the crane; the column is responsible for connecting the first support position and the second support position, and is tightly integrated with the vehicle body to form a stable support structure; the boom is installed above the column and is a key component for lifting operations; the lifting mechanism is installed on the boom, which is specifically used to realize the lifting and rotation operations of goods.

[0005] Optimized design of support positions: The first support position includes retractable ground legs. When the crane is working, these legs can be extended to provide additional ground support for the crane, effectively dispersing the pressure when the crane is working, and greatly improving the stability of the crane. The legs can be extended in a variety of ways, including hydraulic extension, mechanical extension (such as thread extension, rack extension, etc.) and row hole extension, and manual or automatic control mode can be selected according to actual needs. The second support position is equipped with an adjustable support rod, the length and angle of which can be flexibly adjusted. The support rod is firmly connected to the prefabricated roof foundation, luggage rack or other roof load-bearing structure through a variety of connection components such as bolts and clamps, and a double rod or multiple rods can be combined into a flat triangular stable structure to further enhance the vertical stability of the crane.

[0006] Material selection for key components: The columns and booms are made of lightweight and high-strength materials. Among the many optional materials, carbon fiber materials are preferred. Carbon fiber materials have an excellent strength-to-weight ratio, which can not only significantly reduce the overall weight of the crane, making it easier to carry and install, but also greatly improve the structural strength of the crane, allowing it to maintain a stable and reliable working state when bearing a large load, effectively extending the service life of the crane.

[0007] Innovative design of components: The column is designed to be detachable, and the disassembly methods used include but are not limited to bolt connection, snap connection or other mechanical connection methods. This design greatly facilitates the carrying and installation of the crane, and users can quickly complete the disassembly and installation operations according to actual needs. At the same time, the interior of the column is designed as a hollow structure, which can not only be used as a vehicle-mounted water tank to meet the needs of storing water or other liquids when used outdoors, but can also be used to accommodate auxiliary equipment such as cables and hydraulic pipelines to achieve efficient use of space. The boom adopts a retractable design and also has a ladder function. Its telescopic function can flexibly adjust the length according to different working scenarios and cargo positions, expanding the operating range of the crane. The ladder part is equipped with multiple steps and is equipped with anti-slip structures, such as anti-slip textures and anti-slip pedals, etc., to provide operators with safe and convenient climbing conditions and further enhance the practicality of the crane.

[0008] Characteristics of the rotating mechanism: The rotating mechanism is set on the column and is the core component for realizing the rotation of the boom. The rotating mechanism has an interface structure adapted to the installation of wind turbines, and can be combined with wind power generation devices in specific scenarios to achieve comprehensive utilization of energy. Its structural design can withstand multi-directional loads, and adopts structures such as multi-row ball bearings, cross roller bearings or sliding bearings to ensure the smoothness and stability of rotation. The rotation angle of the rotating mechanism can be freely adjusted within a range of 360 degrees to fully adapt to different work requirements and improve the operational flexibility of the crane.

[0009] Diversity of lifting mechanism: The lifting mechanism of the boom includes electric or manually driven lifting devices, such as electric hoists, manual hoists, hydraulic lifting devices, etc. These lifting devices are connected to the rope and its pulley or pulley block through the rope winch mechanism. After careful design and debugging, it ensures that the rope can achieve smooth up and down movement after connecting the hook to meet the needs of different cargo weights and lifting heights.

[0010] Multifunctional application of ground legs: In addition to providing support when the crane is working, the retractable ground legs also have the function of vehicle lifting devices. When the vehicle is stuck and needs to be rescued, repaired, or needs to stabilize the vehicle body, the ground legs can play an important role, further expanding the application scenarios of the crane.

[0011] Diversification of control systems: The crane is equipped with a control system that supports manual control, remote control or automated control system. The manual control mode allows operators to perform precise operations at close range; the remote control mode is suitable for scenarios where operators need to operate at a distance from the crane, improving the safety and convenience of operation; the automated control system can automatically complete the hoisting task according to the preset program, improve work efficiency, and meet the operating habits and work needs of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Basic installation diagram of the trailer hook at the rear of the vehicle Figure 2 Side hanger structure diagram Figure 3: Node diagram of the rear end of the vehicle and partial diagram of the rotating mechanism Figure 4 Combination diagram of solar energy and wind turbine power generation Figure 5: Storage diagram of the power generation fan In Figures 1 to 5, the corresponding relationship between component names or lines and figure numbers is as follows: 1. First support position; 11. Retractable ground support leg for the first support position; 2. Second support position; 21. Adjustable support rod; 3. Column; 4. Boom; 41. Telescopic limit; 5. Built-in winch; 51. Reserved adjustment hole; 6. Rope and hook; 7. Rotating mechanism; 8. Luggage rack fixing clamp; 9. Solar panel; 91. External screw hole on the roof, luggage rack rope fixing ring; 10. Assembled vertical axis generator fan; 101. Removable concave and convex double-sided fan blades; 1011. Fan blade fixing hole, limit hole. DETAILED DESCRIPTION

[0013] The specific implementation modes of the present invention are described in detail below with reference to the accompanying drawings.

[0014] Embodiment 1: Taking an ordinary household vehicle as an example, when installing the vehicle-based crane of the present invention, the first support position is set at the front and rear trailer hook mounting holes of the vehicle or near the wheels. The first support position is firmly fastened to the vehicle through bolts, ropes, clamps and other connectors to ensure that the first support position is closely combined with the vehicle. The retractable ground support leg of the first support position is extended before the crane works, and the length is adjusted according to the ground conditions to provide stable ground support for the crane. Its telescopic method can be selected to be manually threaded, and the extension or shortening of the support leg is achieved by rotating the screw rod, which is simple and convenient to operate. The force point of the second support position is set on the left and right longitudinal beams of the original roof luggage rack. The adjustable support rod is connected to the longitudinal beam of the luggage rack with bolts, and the other end of the support rod is also connected to the fixed reserved hole on the column by bolts (the connection method of the clamp leading out the reserved hole can also be adopted). The length and angle of the support rod can be adjusted according to the actual situation of the vehicle luggage rack and the installation requirements of the crane. The double rods are combined into a plane triangular stable structure to effectively prevent the crane from tilting vertically. The column is made of lightweight and high-strength carbon fiber material, connecting the first support position and the second support position. The connection method can be bolted with the reserved holes to ensure the firmness of the connection. A rotating mechanism is set above the column. The rotating mechanism is designed with reference to the rotating parts of the micro crane, and 360-degree smooth rotation is achieved through shafts, sleeves, bearings, balls and other parts. In actual use, if wind power generation is required, the vertical axis generator can replace some parts of the rotating mechanism, and the vertical wind-receiving blades are installed above the generator, and the bottom is firmly connected to the column. The interior of the column is designed as a car-mounted water tank, which can store a certain amount of water during outdoor travel and other activities to meet life or emergency needs. The boom is designed with reference to the components of the micro crane, and is connected to the rotating mechanism through a through-hole pin structure and installed above the column. The boom adopts a retractable design. Its telescopic principle can refer to the aluminum alloy telescopic ladder structure. The telescopic length is controlled by the internal telescopic limit stop anti-drop block to prevent the boom from accidentally falling out during the telescopic process. At the same time, the boom also has the function of climbing a ladder, and the surface of the ladder is provided with anti-slip patterns to ensure the safety of the operator. The length and angle of the boom can be adjusted according to the location of the cargo and the lifting requirements. The angle adjustment can be achieved by changing the position of the pin of the reserved adjustment hole. The lifting mechanism is installed at the end of the boom, and an electric-driven lifting device, such as an electric hoist, is selected. The electric hoist drives the winch through a gear mechanism, driving the rope and hook to move up and down to achieve the lifting operation of the cargo. During the operation, the operator can achieve precise control of the lifting mechanism through the manual control button.

[0015] Embodiment 2: For SUV models, the first support position can be set near the front and rear bumpers or wheels of the vehicle. Since the body structure and load-bearing capacity of SUV models are different from those of ordinary household vehicles, a suitable connection method can be selected according to actual conditions during installation, such as using a stronger clamp to connect to the bumper to ensure the stability of the first support position. The second support position is set on the roof rack or the roof crossbar, and the adjustable support rod is connected to the roof structure by a combination of bolts and clamps to form a stable support. In terms of material selection, the column and the boom are still made of carbon fiber material to ensure the lightweight and high strength of the crane. The telescopic and angle adjustment methods of the boom are similar to those in Embodiment 1, but according to the higher body characteristics of the SUV model, the length of the column can be appropriately increased to meet the lifting requirements of higher-positioned goods. The lifting mechanism can choose a more powerful electric or hydraulic lifting device to adapt to the heavier goods that the SUV may carry. In terms of the control system, in addition to manual control, it can also be equipped with a remote control function to facilitate operators to operate at different positions around the vehicle.

[0016] Embodiment 3: The crane of the present invention can play an important role in temporary lifting occasions such as field operations or construction sites. When the crane is used on uneven ground, by adjusting the length and angle of the ground legs and utilizing the hydraulic telescopic function of the legs, the crane can quickly adapt to the ups and downs of the ground and maintain a stable working state. The telescopic function of the boom can flexibly adjust the operating range, and when it is necessary to lift goods over a long distance or at a higher position, the boom can be extended to an appropriate length. The ladder design facilitates operators to perform equipment inspection, maintenance, and other work around the crane. The lifting mechanism can select a suitable driving mode and lifting device according to the actual weight of the lifted goods, such as using a hydraulic lifting device when lifting heavier goods, to ensure the safety and efficiency of the operation. At the same time, in field operation scenarios, if there is a need for wind power generation, an assembled vertical axis generator fan can be installed, and the fan can be connected to the crane using the interface structure of the rotating mechanism to achieve energy replenishment and improve the convenience and economy of the crane.

Claims

1. A vehicle-based crane, characterized in that: include: The first support position is arranged at the lower part of the vehicle, and is used to provide bearing capacity and is fastened to the vehicle body; The second support position is set on the upper part of the vehicle or the roof rack to provide additional support to maintain the vertical stability of the crane and prevent it from tilting; A column connecting the first support position and the second support position and integrated with the vehicle body; a boom, mounted above the column through a rotating mechanism, for performing rotating and hoisting rope operations; A hoisting mechanism is installed on the boom and is used to lift the goods.

2. The vehicle-based crane according to claim 1, characterized in that The first support position includes a retractable ground support leg and is fastened to the lower part of the vehicle by binding or clamps, screws, etc.; the second support position includes a support rod with adjustable length and angle, and the support rod is connected to the prefabricated roof foundation, luggage rack or other roof load-bearing structure through a variety of connecting components.

3. The vehicle-based crane according to claim 1, characterized in that: The columns and booms are made of light and high-strength materials, including but not limited to carbon fiber materials, aluminum alloy materials or other composite materials.

4. The vehicle-based crane according to claim 1, characterized in that The column is designed to be detachable, which is convenient for carrying and installation; the disassembly methods of the column include but are not limited to bolt connection, snap connection or other mechanical connection methods.

5. The vehicle-based crane according to claim 1, characterized in that The boom is designed to be retractable and also has a ladder function. The ladder includes multiple steps and an anti-slip structure to facilitate climbing by operators.

6. The vehicle-based crane according to claim 1, characterized in that: The column is designed as a hollow structure, which also serves as a vehicle-mounted water tank; the hollow structure can also be used to accommodate other equipment or tools, including but not limited to cables, hydraulic pipelines or other auxiliary equipment.

7. The vehicle-based crane according to claim 1, characterized in that: The rotating mechanism is arranged on the column, used for realizing the rotation of the boom, and has an interface structure adapted for the installation of a wind turbine; the rotating mechanism adopts a structural design capable of withstanding multi-directional loads, including but not limited to multi-row ball bearings, cross roller bearings or sliding bearings; the rotation angle of the rotating mechanism can be freely adjusted within a range of 360 degrees to meet different work requirements.

8. The vehicle-based crane according to claim 1, characterized in that: The lifting mechanism of the boom includes an electrically or manually driven lifting device; the lifting device includes but is not limited to an electric hoist, a manual hoist, a hydraulic lifting device or other lifting equipment.

9. The vehicle-based crane according to claim 2, characterized in that: The retractable ground support leg can be used as a vehicle lifting device for escaping from trouble, repairing, stabilizing the vehicle body, etc. The retractable and retractable methods of the ground support leg include but are not limited to hydraulic retractable and retractable, mechanical retractable and retractable or other retractable methods.

10. The vehicle-based crane according to claim 1, characterized in that: The crane also includes a control system for controlling the operation of the crane; the control system includes but is not limited to manual control, remote control or automatic control system.

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