Portable single-beam hydraulic crane

Abstract

The utility model discloses a kind of portable single-beam hydraulic crane, including chassis, the two supporting leg end of chassis is equipped with wheel, the lower part of chassis is symmetrically equipped with two universal wheels and synchronous adjustment two universal wheels steering steering assembly;The upper part of chassis is equipped with support column, the upper end of support column is hinged with beam, and the end of beam is equipped with lifting hook;The upper part of chassis is equipped with hydraulic station, and hydraulic station provides hydraulic oil for hydraulic cylinder through oil pipe, and the cylinder body end of hydraulic cylinder is hinged with chassis through lug seat, and the telescopic end of hydraulic cylinder is hinged with beam through lug seat.The utility model can be freely moved in different sites, quickly and flexibly moved to specified operating site;Conveniently adjustable clamping angle, the clamping position and angle of article can be quickly and accurately adjusted in hoisting process, improve the efficiency and precision of hoisting;Simplify the structure of single-beam crane, reduce production cost, easy to manufacture, install and maintain.

Description

Technical Field

[0001] This utility model relates to the field of crane technology, specifically a convenient and mobile single-beam hydraulic crane. Background Technology

[0002] Traditional single-girder cranes are mostly rail-mounted, meaning they can only move and operate along fixed rails, limiting their working range and preventing them from freely moving to the required location. They are unusable in some work areas without rails, resulting in poor flexibility. When clamping and transporting items, some single-girder cranes are not easy to quickly rotate and adjust the clamping position, affecting the efficiency and convenience of lifting, and angle adjustment is inconvenient. Some single-girder cranes have complex structural designs, leading to higher production costs and more difficult assembly, which is not conducive to their widespread application. Utility Model Content

[0003] The technical problem this invention aims to solve is to overcome existing defects and provide a convenient and mobile single-girder hydraulic crane that can move freely in different sites and quickly and flexibly move to designated work locations; it allows for convenient adjustment of the clamping angle, enabling quick and accurate adjustment of the clamping position and angle of objects during hoisting, thereby improving hoisting efficiency and precision; it simplifies the structure of the single-girder crane, reduces production costs, and ensures its performance and safety, making it easier to manufacture, install, and maintain, thus effectively solving the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a convenient and mobile single-girder hydraulic crane, including a base frame, with wheels at the ends of the two outriggers of the base frame, two swivel casters symmetrically arranged on the lower part of the base frame, and a steering assembly for synchronously adjusting the steering of the two swivel casters; a support column is provided on the upper part of the base frame, with a lifting beam hinged to the upper end of the support column, and a hook provided at the end of the lifting beam; a hydraulic station is provided on the upper part of the base frame, the hydraulic station supplies hydraulic oil to the hydraulic cylinder through oil pipes, the cylinder body end of the hydraulic cylinder is hinged to the base frame through lugs, and the telescopic end of the hydraulic cylinder is hinged to the lifting beam through lugs.

[0005] Preferably, the steering assembly includes a rotating rod, which is rotatably connected to the base frame via a bearing. The lower end of the rotating rod is provided with a connecting plate, and a swing arm is pinned to the connecting plate. Both ends of the swing arm are pinned to movable plates, which are connected to the wheel frame of the omnidirectional wheel.

[0006] Preferably, the upper end of the rotating rod is movably connected to an operating rod via a connecting plate, and the upper end of the operating rod is provided with a crossbar.

[0007] Preferably, the support column is a telescopic column, and the support column includes at least two movably connected support cylinders, which are positioned and fixed by locking bolts.

[0008] Preferably, the lifting beam is a telescopic beam, and the lifting beam includes at least two movably connected support cylinders, which are positioned and fixed by locking bolts.

[0009] Compared with existing technologies, the advantages of this utility model are: it can move freely in different locations without relying on fixed tracks, thanks to its wheels, casters, and steering components; it can quickly and flexibly move to designated work locations; the clamping angle can be easily adjusted through the support column, hydraulic cylinder, and hook, allowing for quick and accurate adjustment of the clamping position and angle of the object during hoisting, thus improving hoisting efficiency and precision; it simplifies the structure of the single-girder crane, reduces production costs, and ensures its performance and safety, making it easier to manufacture, install, and maintain, thereby enhancing its market competitiveness. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the steering component structure of this utility model.

[0011] In the diagram: 1. Base frame, 2. Wheels, 3. Steering assembly, 3.1. Operating lever, 3.2. Rotary lever, 3.3. Connecting plate, 3.4. Swing arm, 3.5. Movable plate, 4. Hydraulic station, 5. Support column, 6. Hydraulic cylinder, 7. Lifting beam, 8. Lifting hook, 9. Casters. Detailed Implementation

[0012] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right" indicating the orientation or positional relationship, they are only corresponding to the drawings of this application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation.

[0013] Please see Figure 1-3 The present invention provides the following technical solution: Example 1: A convenient and mobile single-girder hydraulic crane includes a base frame 1, with wheels 2 at the ends of the two outriggers of the base frame 1, two swivel casters 9 symmetrically arranged on the lower part of the base frame 1, and a steering assembly 3 for synchronously adjusting the steering of the two swivel casters 9; a support column 5 is provided on the upper part of the base frame 1, and a lifting beam 7 is hinged to the upper end of the support column 5, with a hook 8 at the end of the lifting beam 7; a hydraulic station 4 is provided on the upper part of the base frame 1, and the hydraulic station 4 supplies hydraulic oil to the hydraulic cylinder 6 through an oil pipe, the cylinder body end of the hydraulic cylinder 6 is hinged to the base frame 1 through a lug, and the telescopic end of the hydraulic cylinder 6 is hinged to the lifting beam 7 through a lug; With wheels 2, casters 9, and steering components 3, it can move freely in different locations without relying on fixed tracks, quickly and flexibly moving to designated work sites; with support columns 5, hydraulic cylinders 6, and hooks 8, the clamping angle can be easily adjusted, allowing for quick and accurate adjustment of the clamping position and angle of items during hoisting, improving hoisting efficiency and precision; simplifying the structure of the single-girder crane, reducing production costs, while ensuring its performance and safety, making it easier to manufacture, install, and maintain, and enhancing market competitiveness.

[0014] Example 2: Unlike Example 1, specifically, the steering assembly 3 includes a rotating rod 3.2, which is rotatably connected to the base frame 1 via bearings. The lower end of the rotating rod 3.2 is provided with a connecting plate 3.3, and a swing arm 3.4 is pinned to the connecting plate 3.3. Both ends of the swing arm 3.4 are pinned to movable plates 3.5, which are connected to the wheel frames of the casters 9. By rotating the rotating rod 3.2, the rotating rod 3.2 drives the swing arm 3.4 to swing through the connecting plate 3.3. The swing arm 3.4 drives the two casters 9 to turn through the two movable plates 3.5, realizing the steering function of the device. The upper end of the rotating rod 3.2 is movably connected to an operating rod 3.1 through the connecting plate. The upper end of the operating rod 3.1 is provided with a crossbar. The entire device can be pulled and moved by the operating rod 3.1, or the rotating rod 3.2 can be rotated by the operating rod 3.1 to perform steering operations.

[0015] Example 3: Unlike Example 1, the support column 5 is a telescopic column, which includes at least two movably fitted support cylinders, and the two fitted support cylinders are fixed in place by locking bolts; the lifting beam 7 is a telescopic beam, which includes at least two movably fitted support cylinders, and the two fitted support cylinders are fixed in place by locking bolts; both the support column 5 and the lifting beam 7 adopt a telescopic adjustment structure, which can be adjusted according to actual needs, making operation flexible and expanding the working range.

[0016] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and are intended to include all changes that fall within the meaning and scope of equivalents in the content of this utility model.

Claims

1. A portable single-beam hydraulic crane comprising a chassis (1), characterized in that: The two legs of the base frame (1) are equipped with wheels (2), and the lower part of the base frame (1) is symmetrically equipped with two universal wheels (9) and a steering assembly (3) for synchronously adjusting the steering of the two universal wheels (9); the upper part of the base frame (1) is equipped with a support column (5), and the upper end of the support column (5) is hinged with a lifting beam (7), and the end of the lifting beam (7) is equipped with a hook (8); the upper part of the base frame (1) is equipped with a hydraulic station (4), and the hydraulic station (4) supplies hydraulic oil to the hydraulic cylinder (6) through an oil pipe. The cylinder body end of the hydraulic cylinder (6) is hinged to the base frame (1) through an ear seat, and the telescopic end of the hydraulic cylinder (6) is hinged to the lifting beam (7) through an ear seat.

2. A portable single beam hydraulic crane as claimed in claim 1, wherein: The steering assembly (3) includes a rotating rod (3.2), which is rotatably connected to the base frame (1) via a bearing. The lower end of the rotating rod (3.2) is provided with a connecting plate (3.3), and the connecting plate (3.3) is pinned to a swing arm (3.4). Both ends of the swing arm (3.4) are pinned to movable plates (3.5), and the movable plates (3.5) are connected to the wheel frame of the caster wheel (9).

3. A portable single beam hydraulic crane as claimed in claim 2, wherein: The upper end of the rotating rod (3.2) is movably connected to the operating rod (3.1) via a connecting plate, and the upper end of the operating rod (3.1) is provided with a crossbar.

4. A convenient and mobile single-girder hydraulic crane according to claim 1, characterized in that: The support column (5) is a telescopic column, and the support column (5) includes at least two movable support cylinders, which are fixed by locking bolts.

5. A portable single beam hydraulic crane as claimed in claim 1, wherein: The lifting beam (7) is a telescopic beam, and the lifting beam (7) includes at least two movable support cylinders, which are positioned and fixed by locking bolts.

Images