Novel folding arm type lorry-mounted crane

Abstract

The utility model discloses a novel folding arm type lorry-mounted crane which comprises a folding arm type lorry-mounted crane body, one end of the folding arm type lorry-mounted crane body is fixedly connected with a storage cover, the inner wall of the storage cover is fixedly connected with a rubber support, and the bottom of the rubber support is fixedly connected with a fixing ring. A through hole is formed in the rubber support, a lifting hook is inserted into the bottom of the rubber support, a rubber pad is arranged on the outer wall of the storage cover, the lifting hook is arranged in the storage cover, the outer wall of the lifting hook is sleeved with the fixing ring, and the cleaning brushes are arranged on the inner wall of the fixing ring. A fixing frame is fixedly connected to the inner wall of the folding arm type lorry-mounted crane body, a driving shaft is rotationally connected to the inner side of the fixing frame, a steel wire rope is wound around the outer wall of the driving shaft, one end of the steel wire rope is connected with the top of the hook, and the hook is slidably connected with the storage cover. According to the device, the lifting hook can be automatically stored, and the lifting hook is protected and waterproof, so that the service life of the lifting hook is ensured.

Description

Technical Field

[0001] This utility model relates to the field of truck-mounted crane technology, specifically a novel folding boom truck-mounted crane. Background Technology

[0002] A folding boom truck-mounted crane (commonly known as a "truck-mounted crane") is a lifting device installed on a truck chassis, which combines cargo transportation and lifting and unloading functions. Its core feature is the use of a foldable boom structure, which achieves flexible extension and contraction through a hydraulic system. It is suitable for cargo loading and unloading, equipment installation and other operations in confined spaces and complex working conditions.

[0003] Knuckle boom truck-mounted cranes consist of a folding boom, a base, and a hook. However, in existing knuckle boom truck-mounted cranes, the hook is usually directly exposed to the outside during use, making it prone to friction damage and corrosion from rainwater. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this utility model is to provide a new type of folding boom truck-mounted crane to solve the problem mentioned in the background art that the hook of the folding boom truck-mounted crane is prone to damage due to its protruding shape and lack of protection.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel folding boom truck-mounted crane, comprising a folding boom truck-mounted crane body, a storage cover fixedly connected to one end of the folding boom truck-mounted crane body, a rubber pad provided on the outer wall of the storage cover, a hook provided inside the storage cover, a fixing ring sleeved on the outer wall of the hook, a cleaning brush provided on the inner wall of the fixing ring, a fixing frame fixedly connected to the inner wall of the folding boom truck-mounted crane body, a drive shaft rotatably connected to the inner side of the fixing frame, a steel wire rope wound around the outer wall of the drive shaft, one end of the steel wire rope connected to the top of the hook, and the hook and the storage cover forming a sliding connection.

[0006] Preferably, a rubber support is fixedly connected to the inner wall of the storage cover, the rubber support has a through hole, and a hook is inserted into the bottom of the rubber support.

[0007] Preferably, a fixing ring is fixedly connected to the bottom of the rubber support, and the cleaning brushes are distributed in a circular pattern with equal intervals around the inner wall of the fixing ring.

[0008] Preferably, both the storage cover and the rubber pad have through holes, and the steel wire rope passes through the through holes and connects to the top of the hook.

[0009] Preferably, the fixing frame has an opening on one side, and the fixing frame is welded and fixed to the main body of the articulated boom truck crane.

[0010] Preferably, a drive motor is fixedly connected to one end of the fixing frame, and one end of the drive motor shaft is connected to one end of the drive shaft.

[0011] Preferably, the bottom of the main body of the articulated boom truck crane is integrally connected to a base, and the base is fixed to the vehicle frame by bolts.

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

[0013] (1) This device can automatically store the hook, which protects and waterproofs the hook, thereby ensuring the service life of the hook.

[0014] (2) This device sets up a storage cover at one end of the body of the folding boom truck crane, so that the hook is located inside the storage cover. At the same time, the top of the hook is connected to a wire rope. The wire rope can automatically retract and release the hook, thereby achieving the function of protecting the hook and reducing the impact and wear of rainwater on the hook.

[0015] (3) This device uses a fixed ring inside the storage cover, which is fitted on the outer wall of the hook. A cleaning brush is installed on the inner wall of the fixed ring, so that the hook and wire rope can come into contact with the cleaning brush and rub against it during the lifting and lowering process, thereby achieving automatic cleaning of the wire rope. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the novel articulated boom truck-mounted crane of this utility model;

[0017] Figure 2 This utility model relates to a novel folding boom truck-mounted crane. Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a sectional view of the fixing frame of the novel articulated boom truck-mounted crane of this utility model;

[0019] Figure 4 This is a top view of the fixing ring of the novel articulated boom truck-mounted crane of this utility model.

[0020] In the diagram: 1. Main body of the folding boom truck crane; 2. Base; 3. Storage cover; 4. Hook; 5. Wire rope; 6. Fixing frame; 7. Drive motor; 8. Fixing ring; 9. Rubber pad; 10. Drive shaft; 11. Cleaning brush; 12. Rubber support. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a novel folding boom truck-mounted crane, comprising a folding boom truck-mounted crane body 1, a storage cover 3 fixedly connected to one end of the folding boom truck-mounted crane body 1, and a base 2 integrally connected to the bottom of the folding boom truck-mounted crane body 1, the base 2 being fixed to the vehicle frame by bolts; this structure can ensure the stability of the folding boom truck-mounted crane body 1 during installation; a rubber support 12 is fixedly connected to the inner wall of the storage cover 3, the rubber support 12 having a through hole, and a hook 4 inserted into the bottom of the rubber support 12; this structure, by setting the rubber support 12, can ensure that the hook 4 can be retracted into the storage cover 3. The stability of the rear section is ensured; a fixing ring 8 is fixedly connected to the bottom of the rubber support 12, and the cleaning brushes 11 are distributed in a circular pattern with equal intervals around the inner wall of the fixing ring 8; a groove is opened on the inner wall of the fixing ring 8, and the cleaning brushes 11 are inserted into the groove and fixed with glue; by moving the hook 4 and the steel wire rope 5, the steel wire rope 5 can contact and rub against the cleaning brushes 11 to achieve automatic cleaning; through holes are opened on the storage cover 3 and the rubber pad 9 to facilitate the movement of the steel wire rope 5, and the steel wire rope 5 passes through the through holes and connects to the top of the hook 4; this structure can drive the hook 4 to achieve automatic lifting and lowering by moving the steel wire rope 5; by moving the rubber pad 9, the cleaning brushes 11 can be automatically lifted and lowered. The rubber pad 9 protects the storage cover 3 from impacts. The storage cover 3 is made of metal, ensuring protection for the hook 4. The outer wall of the storage cover 3 is fitted with the rubber pad 9, and the inside of the storage cover 3 contains the hook 4. A fixing ring 8 is fitted onto the outer wall of the hook 4, and a cleaning brush 11 is installed on the inner wall of the fixing ring 8. A fixing frame 6 is fixedly connected to the inner wall of the folding boom truck crane body 1. An opening is provided on one side of the fixing frame 6, which is welded to the folding boom truck crane body 1. This structure, through the opening on one side of the fixing frame 6, facilitates the movement of the wire rope 5 and also allows for... The wire rope 5 and drive shaft 10 are maintained; a drive motor 7 is fixedly connected to one end of the fixed frame 6, and one end of the shaft of the drive motor 7 is connected to one end of the drive shaft 10; the housing of the drive motor 7 in this structure is fixed to one end of the fixed frame 6 by a bracket and bolts; the drive motor 7 can drive the drive shaft 10 to rotate automatically; the drive shaft 10 is rotatably connected to the inner side of the fixed frame 6, and the wire rope 5 is wound around the outer wall of the drive shaft 10. One end of the wire rope 5 is connected to the top of the hook 4, and the hook 4 and the storage cover 3 form a sliding connection; the automatic rotation of the drive shaft 10 of this device can realize the automatic winding or unwinding of the wire rope 5.

[0023] Working principle: When using this new type of folding boom truck crane, if it is necessary to lift items, the drive motor 7 drives the drive shaft 10 to rotate, causing the drive shaft 10 to release the wire rope 5 on the outer wall. During the release of the wire rope 5, the hook 4 gradually decreases in height, allowing the hook 4 to be removed from the storage cover 3 for use. If the hook 4 needs to be retracted after the lifting is completed, the drive motor 7 can drive the drive shaft 10 to rotate in the opposite direction, causing the drive shaft 10 to retract the wire rope 5, allowing the hook 4 to enter the storage cover 3 for storage. During the movement, the wire rope 5 rubs against the cleaning brush 11, thereby cleaning the dust remaining on the surface of the wire rope 5, thus improving the service life of the hook 4.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A new type of folding boom truck crane, comprising a folding boom truck crane main body (1), characterized in that: The folding arm type truck crane main body (1) one end is fixedly connected with the storage cover (3), the storage cover (3) outer wall is provided with rubber pad (9), the storage cover (3) inside is provided with lifting hook (4), the outer wall of lifting hook (4) is provided with fixed ring (8), the inner wall of fixed ring (8) is provided with cleaning brush (11), the inner wall of folding arm type truck crane main body (1) is fixedly connected with fixed frame (6), the inner side of fixed frame (6) is rotatably connected with drive shaft (10), the outer wall of drive shaft (10) is wound with steel wire rope (5), one end of steel wire rope (5) is connected with the top of lifting hook (4), lifting hook (4) and storage cover (3) form sliding connection.

2. A novel knuckle boom crane as claimed in claim 1, characterized in that: The inner wall of the storage cover (3) is fixedly connected with the rubber support (12), the rubber support (12) is provided with a through hole, and the bottom of the rubber support (12) is provided with a lifting hook (4).

3. A novel knuckle boom crane as claimed in claim 2, characterized in that: The bottom of the rubber support (12) is fixedly connected with the fixed ring (8), and the cleaning brush (11) is circularly and equidistantly distributed about the inner wall of the fixed ring (8).

4. The new knuckle boom type truck crane according to claim 1, characterized in that: The storage cover (3) and the rubber pad (9) are both provided with through holes, and the steel wire rope (5) is connected with the top of the lifting hook (4) through the through holes.

5. The new knuckle boom crane, according to claim 1, characterized in that: The fixed frame (6) is provided with an opening on one side, and the fixed frame (6) is welded and fixed with the folding arm type truck crane main body (1).

6. The new knuckle boom crane, according to claim 1, characterized in that: One end of the fixed frame (6) is fixedly connected with a driving motor (7), and one end of the shaft of the driving motor (7) is connected with one end of the driving shaft (10).

7. The new knuckle boom crane of claim 1, wherein: The bottom of the folding arm type truck crane main body (1) is integrally connected with a base (2), and the base (2) is fixed on the frame by bolts.

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