CN111634807B

CN111634807B - Multifunctional crane suitable for clean environment

Info

Publication number: CN111634807B
Application number: CN202010499361.0A
Authority: CN
Inventors: 唐晓江; 郑斌; 王扶阳; 仇明清
Original assignee: Kaicheng Lifting Machinery Co ltd
Current assignee: Kaicheng Lifting Machinery Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2022-04-05
Anticipated expiration: 2040-06-04
Also published as: CN111634807A

Abstract

The invention discloses a multifunctional crane suitable for a clean environment, which comprises a big axle frame beam, wherein the big axle frame beam is transversely and fixedly installed, a vertical beam is fixedly connected below the big axle frame beam, fixing ribs are arranged at the connecting points of the vertical beam and the big axle frame beam in a crossed manner, a shifting beam is arranged below the big axle frame beam and the vertical beam, and a trolley is fixedly installed on the shifting beam; the crane bridge is controlled by frequency conversion, so that the impact during starting/stopping is reduced, the generation of dust is prevented, and the crane bridge is also controlled by frequency conversion, so that the impact during starting/stopping is reduced. The crane bridge beam is subjected to rust removal treatment and is coated with polyurethane resin paint, so that micro particles floating in the air are adsorbed, and the environmental cleanliness is greatly improved.

Description

Multifunctional crane suitable for clean environment

Technical Field

The invention relates to the field of machinery, in particular to a multifunctional crane suitable for a clean environment.

Background

The crane refers to a machine that uses a hook or other load-taking device to hang a heavy object and performs cyclic operations such as lifting and transferring in space. The cranes are classified into three types, namely, a bridge crane, a cable crane and a jib crane, according to the structure, the cranes are classified into fifteen types, namely, a hook crane, a grab bucket crane, an electromagnetic crane and the like, according to the object taking device, the cranes are classified into five types, namely, a fixed crane, a climbing crane, a portable crane, a radial slewing crane and a walking crane, according to the moving mode, and the cranes are classified into three types, namely, a manual crane, an electric crane and a hydraulic crane, according to the driving mode. And also classified according to the turning ability, the supporting manner, the operating manner, and the like.

However, the requirement on air cleanliness of the existing clean environment workshop is severe, the traditional crane cannot meet the application condition, the cost for building the workshop is high, and the technical problem needs to be solved by the multifunctional crane which can be suitable for the clean environment.

Disclosure of Invention

The invention aims to solve the problems and designs a multifunctional crane suitable for clean environment.

The technical scheme of the invention is that the multifunctional crane suitable for the clean environment comprises a crane bridge, wherein a crane bridge beam is transversely and fixedly mounted, a vertical beam is fixedly connected below the crane bridge beam, fixing ribs are arranged at the connecting points of the vertical beam and the crane bridge beam in a crossed manner, a shifting beam is arranged below the crane bridge beam and the vertical beam, and a trolley is fixedly mounted on the shifting beam;

the crane bridge is further explained, the crane bridge adopts frequency conversion control to reduce the impact during starting/stopping and prevent the generation of dust, and the trolley also adopts frequency conversion control to reduce the impact during starting/stopping.

Further, the steel core + MC901 nylon outer edge is adopted as the beam end wheel of the large axle frame beam, and the large axle frame beam is subjected to rust removal treatment and is coated with polyurethane resin paint to adsorb micro-particles floating in the air.

Furthermore, a track is arranged on the large axle frame beam, blocking devices are arranged at two ends of the track, and the trolley on the left side of the moving beam moves back and forth between the blocking devices on the track.

Furthermore, an SUS plate is laid on the contact surface of the walking surface and the guide wheel of the large axle frame beam, and non-contact inductors are arranged at the ends of the two ends of the large axle frame beam, so that low-speed switching and impact-free stopping are realized.

The beam moving is further explained, a lifting mechanism is arranged on the beam moving, the lifting mechanism adopts a ring chain electric hoist for a clean environment, all running mechanisms and a running body adopt a direct connection mode, and the lifting mechanism adopts frequency conversion control, so that the impact during starting/stopping is reduced, and the generation of dust is prevented.

Further explaining the hoisting mechanism, the body of the hoisting mechanism is baked with paint, the hoisting and descending of the hoisting mechanism are controlled by frequency conversion to realize non-impact lifting, and a hoisting chain in the hoisting mechanism adopts a metal permeation diffusion principle.

Furthermore, the lower part of the crane is provided with a lifting hook, and the lifting hook is processed by electroless nickel plating.

The large axle frame beam has the beneficial effects that 1, the large axle frame beam is configured according to the cleanliness requirements of corresponding grades in the aspects of selection of used materials, selection of parts of various mechanisms, electric power supply, fasteners, paint coating and the like, the steel core and the MC901 nylon outer edge are adopted for the beam-end wheels of the large axle frame beam, the large axle frame beam is subjected to rust removal treatment and is coated with polyurethane resin paint, and micro particles floating in air are adsorbed, so that the environmental cleanliness is greatly improved.

1. The crane span structure of the invention adopts frequency conversion control, which can reduce the impact during starting/stopping and prevent the generation of dust, the trolley on the movable beam also adopts frequency conversion control, which reduces the impact during starting/stopping, and the hoisting mechanisms all adopt frequency conversion control, which reduces the impact during starting/stopping and prevents the generation of dust, thus greatly improving the cleanness degree of the environment.

2. The non-contact inductors are arranged at the ends of the two ends of the bridge girder of the crane bridge, so that low-speed switching and non-impact stop are realized, the possibility of collision generated in the moving process of the crane is reduced, the safety is greatly improved, the generation of dust is further reduced, and the crane is more suitable for clean environment.

Drawings

FIG. 1 is a schematic diagram of the left extreme configuration of the present invention;

FIG. 2 is a schematic diagram of the right extreme configuration of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 2;

in the figure, 1, a crane bridge girder; 2. a vertical beam; 3. fixing the ribs; 4. moving the beam; 5. a trolley; 6. a track; 7. a blocking device; 8. a non-contact sensor; 9. a hoisting mechanism; 10. and (4) a lifting hook.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-4, a multifunctional crane suitable for clean environment comprises a large bridge, wherein a large bridge beam 1 is transversely and fixedly installed, a vertical beam 2 is fixedly connected below the large bridge beam 1, fixing ribs 3 are arranged at the connecting points of the vertical beam 2 and the large bridge beam 1 in a crossing manner, a shift beam 4 is arranged below the large bridge beam 1 and the vertical beam 2, a trolley 5 is fixedly installed on the shift beam 4, the large bridge adopts frequency conversion control, reduces impact during starting/stopping, prevents dust, reduces impact during starting/stopping, adopts frequency conversion control to reduce impact during starting/stopping, adopts steel core 901 + MC nylon outer edges for the beam end wheels of the large bridge beam 1, adopts rust removal treatment for the large bridge beam 1, and is coated with polyurethane resin paint, the frame of the trolley 5 is also coated with polyurethane paint to adsorb microparticles floating in the air.

The large axle frame beam 1 is provided with a track 6, two ends of the track 6 are provided with blocking devices 7, a trolley 5 on the left side of the moving beam 4 moves back and forth between the blocking devices 7 on the track 6, SUS plates are laid on the contact surface of the walking surface and the guide wheel of the large axle frame beam 1, and non-contact inductors 8 are arranged at the tail ends of the two ends of the large axle frame beam 1, so that low-speed switching and non-impact stopping are realized.

The movable beam 4 is provided with a hoisting mechanism 9, the hoisting mechanism 9 adopts a loop chain electric hoist for a clean environment, all running mechanisms and running bodies adopt a direct connection mode, and the hoisting mechanism 9 adopts frequency conversion control, so that the impact during starting/stopping is reduced, and the generation of dust is prevented. The body of the hoisting mechanism 9 is baked with paint, the hoisting and descending of the hoisting mechanism 9 are controlled by frequency conversion, the non-impact hoisting is realized, the 2-section press-in control of the button is used, and a hoisting chain in the hoisting mechanism 9 adopts a metal infiltration diffusion principle. The lower part of the crane is provided with a lifting hook 10, and the lifting hook 10 is processed by electroless nickel plating.

The working principle is as follows: when the crane is used, a lifting hook 10 hooks a heavy object, a lifting mechanism 9 drives the heavy object to ascend, the lifting mechanism 9 adopts frequency conversion control to reduce the impact during starting/stopping, prevent the generation of dust and realize non-impact lifting, when the heavy object is lifted to a certain height, a moving beam 4 starts to move on a crane bridge beam 1, a trolley 5 on the moving beam 4 starts to drive the heavy object to move, the trolley 5 adopts frequency conversion control to reduce the impact during starting/stopping and prevent the generation of dust, a crane bridge adopts frequency conversion control to reduce the impact during starting/stopping and prevent the generation of dust, a blocking device 7 is arranged on a track 6 on the crane bridge beam 1, the trolley 5 on the left side of the moving beam 4 moves back and forth between the blocking devices 7 on the track 6, and non-contact inductors 8 are arranged at the tail ends of two ends of the crane bridge beam 1, realize low-speed switching and have not assaulted and stop, prevent the danger of collision and derail, after the heavy object was removed the assigned position, hoisting mechanism 9 slowly put down the heavy object.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A multifunctional crane suitable for clean environment comprises a big axle frame beam (1), and is characterized in that the big axle frame beam (1) is transversely and fixedly installed, a vertical beam (2) is fixedly connected below the big axle frame beam (1), fixing ribs (3) are arranged at the connecting points of the vertical beam (2) and the big axle frame beam (1) in a crossed manner, a moving beam (4) is arranged below the big axle frame beam (1) and the vertical beam (2), and a trolley (5) is fixedly installed on the moving beam (4);

the crane bridge is controlled by frequency conversion, so that the impact during starting/stopping is reduced, the generation of dust is prevented, and the trolley (5) is also controlled by frequency conversion, so that the impact during starting/stopping is reduced;

the wheels at the beam ends of the big axle frame beams (1) adopt steel cores and MC901 nylon outer edges, and the big axle frame beams (1) adopt rust removal treatment and are coated with polyurethane resin paint to absorb microparticles floating in the air;

a track (6) is arranged on the big axle frame beam (1), blocking devices (7) are arranged at two ends of the track (6), and a trolley (5) on the left side of the movable beam (4) moves back and forth between the blocking devices (7) on the track (6);

SUS plates are laid on the contact surface of the walking surface and the guide wheel of the large axle frame beam (1), and non-contact inductors (8) are arranged at the ends of the two ends of the large axle frame beam (1) to realize low-speed switching and non-impact stop;

the movable beam (4) is provided with a lifting mechanism (9), the lifting mechanism (9) adopts a loop chain electric hoist for a clean environment, all running mechanisms and a running body adopt a direct connection mode, the lifting mechanism (9) adopts variable frequency control, the impact during starting/stopping is reduced, and the generation of dust is prevented;

the body of the lifting mechanism (9) is baked with paint, the lifting and descending of the lifting mechanism (9) are controlled by frequency conversion, impact-free lifting is realized, and a hoisting chain in the lifting mechanism (9) adopts a metal infiltration diffusion principle;

the lower part of the crane is provided with a lifting hook (10), and the lifting hook (10) is processed by electroless nickel plating.