CN219507474U - Gantry crane capable of being used in confined space - Google Patents

Abstract

The utility model provides a gantry crane capable of being used in a limited space, which comprises a main supporting arm, a suspension arm, an auxiliary supporting arm and an electric hoist, wherein the main supporting arm is a main mechanism of the whole gantry crane and is a screw lifting mechanism and responsible for bearing main stress, the suspension arm is an I-shaped structure and is a main force arm for lifting operation, the auxiliary supporting arm comprises a main sleeve and an auxiliary sleeve and plays an auxiliary supporting role on the suspension arm, and the electric hoist is a remote control electric hoist and is convenient for remote operation. The utility model has practical design and simple operation, solves the problem of difficult equipment maintenance and movement in a limited space, saves a great deal of manpower and material resources and time, and ensures safe, stable and rapid completion of work.

Description

Gantry crane capable of being used in confined space

Technical Field

The utility model relates to the field of gantry cranes, in particular to a gantry crane capable of being used in a limited space.

Background

There are many devices in the production facility of a converting enterprise, such as motors, mainframe pumps, heavy duty pneumatic valves, etc. In the production operation process, the equipment can be failed and needs to be moved out of the device area for maintenance, and because the space in the device area is limited, a crane or a common portal frame is very inconvenient to construct, constructors can usually transfer the equipment in a mode of shifting a chain slightly, the equipment is quite laborious to transfer, the mode has great defects, equipment is easy to damage in the lifting process, and even the maintenance personnel can be injured; and a plurality of people are required to be matched for use, so that the personnel waste is caused; meanwhile, the safety operation standard is violated in the operation process, and accident potential is caused.

Therefore, how to design a lifting and moving device of equipment which can be used in a limited space is a problem to be solved.

Disclosure of Invention

In order to achieve the above object, an embodiment of the present utility model provides a gantry crane that can be used in a confined space, and is characterized in that: comprises a main supporting arm (1), a suspension arm (2), an auxiliary supporting arm (3) and an electric hoist (4); the main support arm (1) comprises a main rod (11) and an auxiliary rod (12), the main rod (11) is sleeved outside the auxiliary rod (12), a screw rod lifting mechanism (112) is vertically arranged inside the main rod (11), the top end of the screw rod lifting mechanism (112) is connected with the bottom end of the auxiliary rod (12), a crank (111) of the screw rod lifting mechanism (112) penetrates through the shell of the main rod (11), a support seat (13) is welded at the bottom of the main rod (11), the support seat (13) comprises a chassis (131) and support legs (132), four square grooves (1311) are welded at the periphery of the bottom of the chassis (131), the support legs (132) are connected with the square grooves (1311) in a sliding mode, pulleys (1321) and adjustable supports (1322) are arranged at the bottom of the support legs (132), and the length of the adjustable supports (1322) is rotationally adjustable; the lifting rod (23) of the main body part of the lifting arm (2) is of an I-shaped structure, one end of the lifting arm (2) is welded with an annular sleeve (21), the annular sleeve (21) is sleeved on the top of the main rod (11), and the annular sleeve (21) is provided with a lifting arm locking bolt (22); the auxiliary supporting arm (3) comprises a main sleeve (31) and an auxiliary sleeve (32), the main sleeve (31) is sleeved outside the auxiliary sleeve (32), a sleeve locking bolt (311) is arranged on the upper portion of the main sleeve (31), a universal wheel (312) is arranged at the bottom end of the main sleeve (31), a sliding sleeve (321) is welded at the top end of the auxiliary sleeve (32), the sliding sleeve (321) is matched with the boom (23) in size, and a sliding sleeve locking bolt (322) is arranged on the sliding sleeve (321); the electric hoist (4) is a remote control electric hoist.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the assembly type mechanism is convenient for moving and mounting; (2) the main support arm and the auxiliary support arm are matched, so that the stability is high; (3) a large amount of manpower and material resources and time can be saved, and safe, stable and rapid completion of work is ensured.

Drawings

Embodiments of the gantry crane of the present utility model that can be used in confined spaces are described below with reference to the accompanying drawings. The attached drawings are as follows:

FIG. 1 is a schematic view of the overall structure of a gantry crane that can be used in confined spaces according to the present utility model;

FIG. 2 is a schematic view of a structure of a support base;

fig. 3 is a schematic diagram of the internal structure of the main lever.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, rear.

Furthermore, if the description of "first," "second," etc. is referred to in this disclosure, it is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The following describes in detail the implementation of the present utility model in connection with specific embodiments:

referring to fig. 1-3, the gantry crane capable of being used in a limited space provided by the embodiment of the utility model comprises a main supporting arm (1), a suspension arm (2), an auxiliary supporting arm (3) and an electric hoist (4); the main supporting arm (1) comprises a main rod (11) and an auxiliary rod (12), is a main mechanism of the whole gantry crane and is responsible for bearing main stress, the main rod (11) is sleeved outside the auxiliary rod (12), the main rod (11) is internally and vertically provided with the screw lifting mechanism (112), the top end of the screw lifting mechanism (112) is connected with the bottom end of the auxiliary rod (12), a crank (111) of the screw lifting mechanism (112) penetrates through the shell of the main rod (11), a supporting seat (13) is welded at the bottom of the main rod (11), the supporting seat (13) comprises a chassis (131) and supporting legs (132), four square grooves (1311) are welded at the periphery of the bottom of the chassis (131), the supporting legs (132) are connected with the square grooves (1311) in a sliding manner, the bottoms of the supporting legs (132) are provided with pulleys (1321) and adjustable supports (1322), and the adjustable supports (1322) are rotatably supported by the adjustable supports (13), and the length of the adjustable supports (1322) can be stably supported by the adjustable supports; the lifting rod (23) of the main body part of the lifting arm (2) is of an I-shaped structure, one end of the lifting arm (2) is welded with an annular sleeve (21), the annular sleeve (21) is sleeved at the top of the main rod (11) and used for rotating the lifting arm (2), and a lifting arm locking bolt (22) is arranged on the annular sleeve (21) and used for fixing the lifting arm (2) when needed; the auxiliary support arm (3) comprises a main sleeve (31) and an auxiliary sleeve (32), the auxiliary support effect is achieved on the suspension arm (2), the main sleeve (31) is sleeved outside the auxiliary sleeve (32), a sleeve locking bolt (311) is arranged on the upper portion of the main sleeve (31) and used for fixing the auxiliary sleeve (32) during operation, a universal wheel (312) is arranged at the bottom end of the main sleeve (31), a sliding sleeve (321) is welded at the top end of the auxiliary sleeve (32), the sliding sleeve (321) is matched with the size of the suspension arm (23) and used for adjusting the auxiliary support arm (3) to a proper position, and a sliding sleeve locking bolt (322) is arranged on the sliding sleeve (321) and used for fixing the auxiliary support arm (3); the electric hoist (4) is a remote control type electric hoist, so that the remote control type electric hoist is convenient to operate in a long distance and is convenient and quick.

In actual use, firstly, the working space condition in the device area is observed, then, the main support arm (1) is arranged in a place with large relative space, the support leg (132) is arranged in a square groove (1311) at the bottom of the support seat (13) and is extended and fixed as far as possible, the adjustable bracket (1322) is adjusted to the position where the pulley (1321) is just lifted to ensure the stability of the support seat (13), then, the suspension arm (2) is rotated to the position right above the equipment to be maintained, the auxiliary support arm (3) is arranged, the auxiliary support arm (3) is fixed in a proper position according to the equipment and the space condition, then, the height of the main support arm (1) is adjusted according to the height of the equipment to be maintained, the rotation of the crank (111) is used for adjusting the height, after the adjustment to the proper height, the sleeve locking bolt (311) is fastened to enable the main sleeve (31) and the auxiliary sleeve (32) to be fixed relatively, the remote controller is started to be operated, the electric hoist (4) is controlled to lift the equipment to be maintained until the proper height, the auxiliary support arm (3) is pushed to enable the suspension arm (2) to rotate, so that the mobile equipment is separated from the installation position, the main support arm (1322) is locked to be moved out, the position of the main support arm (1) is adjusted to be required to be moved to the position according to the rotation of the position, and the main support arm (1321) is moved to be moved to the position to be required to be maintained.

Embodiments of the present utility model so far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (1)

1. The utility model provides a portal crane that can use in confined space which characterized in that: comprises a main supporting arm (1), a suspension arm (2), an auxiliary supporting arm (3) and an electric hoist (4); the main support arm (1) comprises a main rod (11) and an auxiliary rod (12), the main rod (11) is sleeved outside the auxiliary rod (12), a screw rod lifting mechanism (112) is vertically arranged inside the main rod (11), the top end of the screw rod lifting mechanism (112) is connected with the bottom end of the auxiliary rod (12), a crank (111) of the screw rod lifting mechanism (112) penetrates through the shell of the main rod (11), a support seat (13) is welded at the bottom of the main rod (11), the support seat (13) comprises a chassis (131) and support legs (132), four square grooves (1311) are welded at the periphery of the bottom of the chassis (131), the support legs (132) are connected with the square grooves (1311) in a sliding mode, pulleys (1321) and adjustable supports (1322) are arranged at the bottom of the support legs (132), and the length of the adjustable supports (1322) is rotationally adjustable; the lifting rod (23) of the main body part of the lifting arm (2) is of an I-shaped structure, one end of the lifting arm (2) is welded with an annular sleeve (21), the annular sleeve (21) is sleeved on the top of the main rod (11), and the annular sleeve (21) is provided with a lifting arm locking bolt (22); the auxiliary supporting arm (3) comprises a main sleeve (31) and an auxiliary sleeve (32), the main sleeve (31) is sleeved outside the auxiliary sleeve (32), a sleeve locking bolt (311) is arranged on the upper portion of the main sleeve (31), a universal wheel (312) is arranged at the bottom end of the main sleeve (31), a sliding sleeve (321) is welded at the top end of the auxiliary sleeve (32), the sliding sleeve (321) is matched with the boom (23) in size, and a sliding sleeve locking bolt (322) is arranged on the sliding sleeve (321); the electric hoist (4) is a remote control electric hoist.