A folding-boom truck crane with a hoist mechanism and an automatic hook device

Abstract

The utility model discloses a folding arm type truck crane of winch mechanism and automatic hook device, including crane main body, the outside installation of crane main body has winch mechanism, the outside of winch mechanism is provided with wire rope, the outside installation of crane main body has the mounting panel, the outside of mounting panel is opened first square groove, the inside installation of first square groove has spring, and the one end of spring away from first square groove is installed extruded block, and the outside rotationally connected of mounting panel has fixed plate, and the outside of fixed plate is opened second square groove, the outside installation of crane main body has connecting block, and the one end of connecting block away from crane main body is installed cleaning ring, and the crane can be hoisted vertically in the utility model through setting winch mechanism, makes crane more flexible, and it is convenient to operate, and through setting automatic hook device simultaneously, when wire rope is retracted, and the hook is fixed in automatic retraction, avoids the hook to sway when not using, and the staff goes forward manually and binds when causing danger.

Description

Technical Field

[0001] This utility model relates to the technical field of folding boom truck-mounted cranes, and in particular to a folding boom truck-mounted crane with a winch mechanism and an automatic hook retraction device. Background Technology

[0002] A truck-mounted crane is a device that uses a hydraulic lifting and telescopic system to raise, rotate, and hoist goods. It is typically mounted on a truck and is also known as a truck-mounted crane, or in some places, a self-propelled crane. Integrating lifting and transportation, it is widely used in stations, warehouses, docks, construction sites, and field rescue operations. It can be equipped with cargo boxes of different lengths and cranes of different tonnages. Truck-mounted cranes are mainly divided into two types based on their structural form: straight-arm truck-mounted cranes and knuckle-arm truck-mounted cranes. Knuckle-arm truck-mounted cranes are generally more commonly used in practice.

[0003] Existing articulated boom cranes typically have the hook directly mounted on the boom head. However, during travel, the hook is prone to bumping into the boom body, and the lack of a winch mechanism makes operation inconvenient and movement inflexible. Currently, articulated boom cranes with winch mechanisms lack automatic hook retraction devices. When the crane is not in use, workers need to manually retract the hook, which is inconvenient and somewhat dangerous. Furthermore, the wire rope in the winch mechanism often gets covered with cement and other debris during daily use, making it difficult to clean. If not cleaned for a long time, it can affect the operation of the winch mechanism. Therefore, there is a need for an articulated boom truck-mounted crane with a winch mechanism and an automatic hook retraction device. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies, such as the lack of a winch mechanism leading to inflexible crane operation, unsafe manual hook binding, and inconvenient wire rope cleaning. Therefore, this utility model proposes a folding boom truck-mounted crane with a winch mechanism and an automatic hook retraction device. To achieve the above objective, this utility model adopts the following technical solution:

[0005] A folding boom truck-mounted crane with a winch mechanism and an automatic hook retraction device includes a crane body, a winch mechanism mounted on the outside of the crane body, a wire rope mounted on the outside of the winch mechanism, an mounting plate mounted on the outside of the crane body, a first square groove on the outside of the mounting plate, a spring installed inside the first square groove, a compression block mounted on the end of the spring away from the first square groove, a fixing plate rotatably connected to the outside of the mounting plate, a second square groove on the outside of the fixing plate, a connecting block mounted on the outside of the crane body, a cleaning ring mounted on the end of the connecting block away from the crane body, and multiple bristles mounted on the outside of the cleaning ring. The winch mechanism enables the crane to lift vertically, making the crane more flexible. The automatic hook retraction device automatically retracts and secures the hook when the wire rope is retracted, preventing the hook from swaying when not in use and avoiding the danger of manual retraction by workers. The cleaning mechanism on the crane body automatically cleans debris from the wire rope when it is retracted and not in use.

[0006] The above technical solution further includes: a fixing rod is installed inside the mounting plate, and a circular groove is opened on the outside of the mounting plate.

[0007] The mounting plate is movably provided with a movable rod on its exterior, and a fixed plate is installed on the exterior of the movable rod.

[0008] A ring is mounted on the outside of the fixing plate.

[0009] A circular block is installed on the outside of the wire rope, and a hook is installed on the outside of the circular block.

[0010] The size of the annular opening is adapted to the size of the circular block.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. In this utility model, by setting up a winch mechanism, the crane can be lifted vertically, making the crane more flexible and easier for workers to operate.

[0013] 2. In this utility model, by setting an automatic hook retraction device, the hook is automatically fixed and retracted when the wire rope is retracted, so as to prevent the hook from swaying when not in use and causing danger.

[0014] 3. In this utility model, by setting a cleaning mechanism on the crane body, the wire rope is automatically cleaned of garbage when it is not in use and is retracted, so as to avoid the garbage adhering to the wire rope for a long time and being difficult to clean, thus affecting the use of the winch mechanism. Attached Figure Description

[0015] Figure 1A three-dimensional structural diagram of a folding boom truck-mounted crane with a winch mechanism and an automatic hook-retraction device proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of a folding boom truck-mounted crane with a winch mechanism and an automatic hook-retraction device proposed in this utility model.

[0017] Figure 3 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0018] Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point B;

[0019] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point C.

[0020] In the diagram: 1. Crane body; 2. Hoisting mechanism; 3. Wire rope; 4. Mounting plate; 5. Fixing rod; 6. Circular groove; 7. First square groove; 8. Spring; 9. Compression block; 10. Movable rod; 11. Fixing plate; 12. Second square groove; 13. Ring; 14. Circular block; 15. Hook; 16. Connecting block; 17. Cleaning ring; 18. Brush. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] Example 1

[0023] like Figure 1-5 The diagram shows the overall structure of a folding boom truck-mounted crane with a winch mechanism and an automatic hook-retracting device proposed in this utility model. It includes a crane body 1, a winch mechanism 2 mounted on the outside of the crane body 1, a wire rope 3 mounted on the outside of the winch mechanism 2, an mounting plate 4 mounted on the outside of the crane body 1, a first square groove 7 on the outside of the mounting plate 4, a spring 8 installed inside the first square groove 7, a pressing block 9 mounted on the end of the spring 8 away from the first square groove 7, a fixing plate 11 rotatably connected to the outside of the mounting plate 4, a second square groove 12 on the outside of the fixing plate 11, a fixing rod 5 mounted inside the mounting plate 4, a circular groove 6 on the outside of the mounting plate 4, a movable rod 10 movably mounted on the outside of the mounting plate 4, a fixing plate 11 mounted on the outside of the movable rod 10, a circular ring 13 mounted on the outside of the fixing plate 11, a circular block 14 mounted on the outside of the wire rope 3, and a hook 15 mounted on the outside of the circular block 14. The size of the opening of the circular ring 13 is adapted to the size of the circular block 14.

[0024] In this embodiment, by setting a winch mechanism on the crane body 1, the crane can lift vertically, making the crane more flexible. When the crane body 1 is no longer in use and the hook 15 needs to be retracted, the winch mechanism 2 first drives the wire rope 3 to retract through the fixed rod 5 and the circular groove 6. The wire rope 3 retracts along with the hook 15, and the hook 15 retracts along with the circular block 14. When the circular block 14 retracts, it is locked into the opening of the ring 13, preventing the hook 15 from shaking continuously, and at the same time, it provides a pushing force to the fixed plate 11. At this time, the wire rope 3 continues to retract. Since the fixed plate 11 is rotatably connected to the mounting plate 4 through the movable rod 10, the wire rope 3 retracts along with the hook 15. The circular block 14 pushes the fixed plate 11, causing the fixed plate 11 to rotate around the movable rod 10, rotating the fixed plate 11 to the outside of the mounting plate 4. Since the end of the extrusion block 9 is arc-shaped, the fixed plate 11 squeezes the extrusion block 9, pushing the extrusion block 9 to retract into the first square groove 7. At this time, the spring 8 is in a contracted state. When the extrusion block 9 passes through the second square groove 12, the extrusion block 9 is no longer squeezed by the fixed plate 11. At this time, the spring 8 returns to its original position, driving the extrusion block 9 to return to its original position. At the same time, the hook 15 is fixed to the outside of the mounting plate 4 through the fixed plate 11, thereby automatically fixing the hook 15 and preventing the hook from shaking when not in use, which could cause danger when workers manually bind it.

[0025] Example 2

[0026] like Figure 5 As shown, based on Embodiment 1, a connecting block 16 is installed on the outside of the crane body 1, and a cleaning ring 17 is installed on the end of the connecting block 16 away from the crane body 1. Multiple bristles 18 are installed on the outside of the cleaning ring 17.

[0027] In this embodiment, while the wire rope 3 is being retracted, it is cleaned by a cleaning device installed on the outside of the crane body 1. First, the wire rope 3 is retracted and shuttles through the cleaning ring 17 installed on the outside of the connecting block 16. At the same time, multiple brushes 18 installed on the outside of the cleaning ring 17 automatically clean the wire rope 3, so as to avoid the garbage adhering to the wire rope 3 for a long time and being difficult to clean, which would affect the use of the hoisting mechanism.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A folding boom truck-mounted crane with a hoisting mechanism and an automatic hook-retraction device, comprising a crane body (1), characterized in that, The crane body (1) is equipped with a hoisting mechanism (2) on its exterior. A wire rope (3) is provided on the exterior of the hoisting mechanism (2). An installation plate (4) is installed on the exterior of the crane body (1). A first square groove (7) is provided on the exterior of the installation plate (4). A spring (8) is installed inside the first square groove (7). A pressing block (9) is installed on the end of the spring (8) away from the first square groove (7). A fixing plate (11) is rotatably connected to the exterior of the installation plate (4). A second square groove (12) is provided on the exterior of the fixing plate (11). A connecting block (16) is installed on the outside of the crane body (1). A cleaning ring (17) is installed on the end of the connecting block (16) away from the crane body (1). Multiple bristles (18) are installed on the outside of the cleaning ring (17). A fixing rod (5) is installed inside the mounting plate (4). A circular groove (6) is opened on the outside of the mounting plate (4). A movable rod (10) is movably arranged on the outside of the mounting plate (4). A fixing plate (11) is installed on the outside of the movable rod (10). A circular ring (13) is installed on the outside of the fixing plate (11). A circular block (14) is installed on the outside of the wire rope (3). A hook (15) is installed on the outside of the circular block (14). The size of the opening of the circular ring (13) is adapted to the size of the circular block (14).

Images