CN219408984U

CN219408984U - Fixed double-beam bridge crane of electric hoist

Info

Publication number: CN219408984U
Application number: CN202320765039.7U
Authority: CN
Inventors: 何杭萍; 孙煌杰; 朱广超; 严可; 叶昌权; 罗叙华
Original assignee: Shaoxing Nante Lifting Equipment Co ltd
Current assignee: Shaoxing Nante Lifting Equipment Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-25
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses an electric hoist fixed double-beam bridge crane, which comprises two transversely extending main beams and two end beams, wherein the end parts of the same side of the two main beams are fixed on the top surface of the same end beam, two hoist fixing beams extending front and back are arranged above the left part and the right part of the two main beams, and the front end and the rear end of each hoist fixing beam are fixed on the top surfaces of the corresponding parts of the two main beams; an electric hoist is fixed on the hoist fixing beam, and a lifting hook of the electric hoist is vertically downward. Each electric hoist is of a fixed structure, so that the electric hoist does not need to move along the main beam, the electric hoist is provided with two lifting hooks, the four lifting hooks correspond to the rectangular long lifting tool, the rectangular long lifting tool can be lifted horizontally, a lifting trolley structure and a transverse track which transversely move on the main beam are omitted, and a middle connecting beam is arranged between the two main beams, so that the section of the main beam is greatly reduced while the electric hoist meets the same tonnage lifting requirement, and the weight of the main beam is reduced.

Description

Fixed double-beam bridge crane of electric hoist

Technical field:

the utility model relates to the technical field of hoisting equipment, in particular to an electric hoist fixed double-beam bridge crane.

The background technology is as follows:

in the existing bridge crane, such as a double-girder bridge crane, the bridge crane generally comprises two girders which are parallel front and back, one ends of the same sides of the two girders are fixed on the same end girder, a cart travelling mechanism is fixed on the end girder, wheels of the cart travelling mechanism are placed on rails on the left side and the right side to move back and forth, the top surfaces of the two girders are fixed with rails which extend left and right, and a cart is arranged on the two rails and can move left and right along the rails, wherein a winch is arranged on the cart to realize lifting; for example, a variable-frequency explosion-proof bridge crane with a chinese patent application No. 200520025461.0 is suitable for lifting some articles with shorter lengths of single articles, and in order to ensure the stability of the movement of the main beam and the end beam, and meanwhile, the lifting trolley above the crane normally moves, so that the section requirement of the main beam is relatively large, and the weight and the volume of the main beam are both increased.

However, when a rectangular long lifting appliance with fixed specification as shown in fig. 1 and 2 is required to be lifted, a plurality of lifting mechanisms are required to be mounted on a main girder, and simultaneously, synchronous lifting on all lifting mechanisms is required to be ensured so as to ensure that the rectangular long lifting appliance can stably lift, and meanwhile, the vertical position of a lifting point is fixed, according to the requirement, the existing double-girder bridge crane cannot realize, and therefore, a crane capable of realizing the requirement is required to be designed.

The utility model comprises the following steps:

the utility model aims to overcome the defects of the prior art and provide an electric hoist fixed double-beam bridge crane, wherein each electric hoist is of a fixed structure, so that the electric hoist does not need to move along a main beam, the electric hoist is provided with two lifting hooks, the four lifting hooks correspond to a rectangular long lifting appliance, the rectangular long lifting appliance can be lifted horizontally, a lifting trolley structure and a transverse rail which transversely move on the main beam are omitted, and a middle connecting beam is arranged between the two main beams, so that the cross section of the main beam is greatly reduced while the electric hoist meets the same tonnage lifting requirement, the weight of the main beam is reduced, the saved lifting trolley structure and the transverse rail are also reduced by a certain weight, the weight of the whole equipment is greatly reduced, and the manufacturing cost is reduced.

The scheme for solving the technical problems is as follows:

the fixed double-beam bridge crane of the electric hoist comprises two transversely extending main beams and two end beams, wherein the end parts of the same side of the two main beams are fixed on the top surface of the same end beam, two hoist fixing beams extending front and back are arranged above the left part and the right part of the two main beams, and the front end and the rear end of each hoist fixing beam are fixed on the top surface of the corresponding part of the two main beams;

an electric hoist is fixed on the hoist fixing beam, and a lifting hook of the electric hoist is vertically downward.

Further, the two main beams are parallel to each other, a plurality of middle connecting beams extending back and forth are arranged between the two main beams, and two ends of each middle connecting beam are fixed on corresponding side connecting seats fixed on the inner side walls of the two main beams.

Further, cable connection seats extending back and forth are arranged above the middle parts of the two main beams, the front ends and the rear ends of the cable connection seats are fixedly connected to the top surfaces of the middle parts of the two main beams, and cable reels are fixed to the top surfaces of the middle parts of the cable connection seats.

Further, an electric control cabinet is fixed on the top surface of the main beam at one side of the hoist fixing beam.

Further, the electric hoist is a double-hook electric hoist.

Furthermore, cameras are fixed at the lower parts of the opposite wall surfaces of the two calabash fixing beams.

The utility model has the outstanding effects that:

1. each electric hoist is of a fixed structure, so that the electric hoist does not need to move along the main beam, and the electric hoist is provided with two lifting hooks, and the four lifting hooks correspond to the rectangular long lifting appliance, so that the rectangular long lifting appliance can be lifted horizontally.

2. The lifting trolley omits a lifting trolley structure and a transverse rail which transversely move on the main beams, and a middle connecting beam is arranged between the two main beams, so that the section of the main beams is greatly reduced while the same tonnage lifting requirements are met, and the weight of the main beams is reduced.

3. The lifting trolley structure and the transverse rail which are omitted by the device are also reduced by a certain weight, the weight of the whole equipment is greatly reduced, and the manufacturing cost is reduced.

Description of the drawings:

FIG. 1 is a schematic view of a part of a rectangular and long lifting appliance to be lifted according to the present utility model;

FIG. 2 is a partial side view of FIG. 1;

FIG. 3 is a schematic view of a partial structure of the present utility model;

FIG. 4 is a partial top view of the present utility model;

FIG. 5 is a partial side view of the present utility model;

FIG. 6 is a schematic diagram of the connection structure between the electric hoist and the hoist fixed beam;

FIG. 7 is an enlarged view of a portion of FIG. 4;

FIG. 8 is an enlarged partial view of another portion of FIG. 4;

fig. 9 is a schematic view of a partial structure between the electric hoist and the main beam.

The specific embodiment is as follows:

1-9, an electric hoist fixed double-beam bridge crane comprises two transversely extending main beams 10 and two end beams 20, wherein the end parts of the same side of the two main beams 10 are fixed on the top surface of the same end beam 20, two hoist fixing beams 30 extending front and back are arranged above the left part and the right part of the two main beams 10, and the front end and the rear end of each hoist fixing beam 30 are fixed on the top surface of the corresponding part of the two main beams 10;

an electric hoist 32 is fixed on the side wall of the hoist fixing beam 30, and a lifting hook of the electric hoist 32 is vertically downward. As shown in fig. 6, the hook plates 321 are fixed on the upper parts of the front and rear connecting wall plates of the electric hoist 32, hook parts are formed on the hook plates 321, two slots are formed on the top surface of the plate body on one side, which is connected with the front and rear connecting wall plates of the electric hoist 32, of the hoist fixing beam 30, two side plates are fixed inside the hoist fixing beam 30 at the slots, first bolts are fixed on the corresponding two side plates, the hook plates 321 are inserted in the corresponding slots, the hook parts of the hook plates extend into the hoist fixing beam 30 and are hung on the corresponding first bolts, and the bent edges of the front and rear connecting wall plates of the electric hoist 32 are fixedly connected with the corresponding wall plates of the hoist fixing beam 30 through bolts.

By adopting the connecting method, the fixing firmness of the electric hoist 32 is improved, and when the electric hoist 32 is assembled and disassembled, after the bolts connecting the connecting wall plate of the electric hoist 32 with the corresponding wall plate of the hoist fixing beam 30 are disassembled, the electric hoist 32 is hung on the corresponding first bolts, so that the electric hoist 32 cannot fall off immediately, and the whole electric hoist 32 can be taken out only by lifting the hook part upwards from the first bolts, so that the disassembly safety is improved.

Further, the two main beams 10 are parallel to each other, a plurality of middle connecting beams 11 extending back and forth are installed between the two main beams 10, in this embodiment, three middle connecting beams 11 are installed, one middle connecting beam 11 is located between the middle parts of the two main beams 10, two middle connecting beams 11 are located at the left and right sides of the middle connecting beam 11 in the middle, and two ends of the middle connecting beam 11 are fixed on corresponding side connecting seats 12 fixed on the inner side walls of the two main beams 10.

All the middle connecting beams 11 are located on the two main beams 10 between the two hoist fixing beams 30.

Further, cable connection seats 40 extending back and forth are arranged above the middle parts of the two main beams 10, the front ends and the rear ends of the cable connection seats 40 are fixedly connected to the top surfaces of the middle parts of the two main beams 10, and cable drums 50 are fixed to the top surfaces of the middle parts of the cable connection seats 40.

The lower parts of the opposite wall surfaces of the two hoist fixing beams 30 are respectively fixed with a camera 3, or the middle parts of the opposite wall surfaces of the two end beams 20 are respectively fixed with a camera 3 (in the drawing, the cameras 3 are arranged at the hoist fixing beams 30), and the cameras 3 irradiate rectangular long lifting devices for lifting the two electric hoist 32.

Further, an electric control cabinet 1 is fixed on the top surface of the main beam 10 at one side of the hoist fixing beam 30. All electric equipment is electrically connected with the electric control cabinet 1 through cables, and control is realized through the electric control cabinet 1.

Further, the electric hoist 32 is a double-hook electric hoist, the wire ropes of the two hooks are wound on the winding drum in the same direction, so that when the two hooks descend or ascend, the distance between the two hooks is unchanged, meanwhile, an encoder is fixed on a winding motor of the electric hoist 32, a connecting shaft of the encoder is connected with the rear end of a rotating shaft of the winding motor (the setting mode is a conventional mode and is not described in detail), signals through the two encoders are transmitted to the electric control cabinet 1, a wireless WIFI module is arranged on a control main board of the two electric control cabinets 1, and the signals can be transmitted to a main control console below the periphery of the equipment or a wireless controller on the hand of an operator through wireless WIFI, so that signal transmission is realized; the lifting state of the rectangular long lifting appliance can be known at any time, namely whether the rectangular long lifting appliance is synchronously lifted or not, whether the rectangular long lifting appliance is horizontally and stably lifted or not, when the rectangular long lifting appliance is not in a horizontal state, namely, when signals transmitted by two encoders are not needed, the controller on the main control console controls the corresponding electric hoist 32 to stop running through the electric control cabinet 1, then, the corresponding single electric hoist 32 is controlled to run through the manual control wireless controller, so that the rectangular long lifting appliance lifted by the two electric hoists 32 is horizontally, then, the rectangular long lifting appliance is synchronously lifted again, and the regulation is convenient. The electrical connection wires of each electric hoist 32 are connected with wired connectors, and only a single wired connector is shown in the drawing.

In this embodiment, the camera 3 provided with the device can record the lifting state at any time and can transmit signals to the main control console, so that the display screen of the main control console can be displayed, and the main control console is convenient to check and operate.

Claims

1. The utility model provides a fixed double-beam bridge crane of electric block, includes two transversely extending girder (10) and two end beam (20), and the tip of the same side of two girders (10) is fixed on the top surface of same end beam (20), its characterized in that: two calabash fixing beams (30) extending forwards and backwards are arranged above the left part and the right part of the two main beams (10), and the front end and the rear end of each calabash fixing beam (30) are fixed on the top surfaces of the corresponding parts of the two main beams (10);

an electric hoist (32) is fixed on the hoist fixing beam (30), and a lifting hook of the electric hoist (32) is vertically downward.

2. The fixed double-beam bridge crane of claim 1, wherein: the two main beams (10) are parallel to each other, a plurality of middle connecting beams (11) extending forwards and backwards are arranged between the two main beams (10), and two ends of each middle connecting beam (11) are fixed on corresponding side connecting seats (12) fixed on the inner side walls of the two main beams (10).

3. The fixed double-beam bridge crane of claim 1, wherein: the cable connection seat (40) extending back and forth is arranged above the middle parts of the two main beams (10), the front end and the rear end of the cable connection seat (40) are fixedly connected to the top surfaces of the middle parts of the two main beams (10), and a cable drum (50) is fixed to the top surfaces of the middle parts of the cable connection seats (40).

4. The fixed double-beam bridge crane of claim 1, wherein: an electric control cabinet (1) is fixed on the top surface of the main beam (10) at one side of the hoist fixing beam (30).

5. The fixed double-beam bridge crane of claim 1, wherein: the electric hoist (32) is a double-hook electric hoist.

6. The fixed double-beam bridge crane of claim 1, wherein: the lower parts of the opposite wall surfaces of the two calabash fixed beams (30) are both fixed with cameras (3).