CN115675791A

CN115675791A - A special hanging flower basket for overhauing cabin driving

Info

Publication number: CN115675791A
Application number: CN202211439997.1A
Authority: CN
Inventors: 周飞; 朱晓强; 李文锋; 刘富强; 卢炎平
Original assignee: Cosco Shipping Heavy Industry Yangzhou Co ltd
Current assignee: Cosco Shipping Heavy Industry Yangzhou Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-02-03

Abstract

The invention provides a special hanging basket for overhauling a cabin travelling crane, which comprises a moving trolley, wherein the lower part of the moving trolley is fixedly connected with the hanging basket, the moving trolley comprises a left frame and a right frame, the left frame and the right frame are fixedly connected through a connecting shaft, symmetrical idler wheels are respectively arranged on the left frame and the right frame, the idler wheels are respectively positioned at two sides of the top surface of an I-shaped beam of the cabin travelling crane, the bottom surface of the I-shaped beam is provided with a tooth-shaped track, the outer side of the right frame is fixedly connected with a speed reducer, the speed reducer is a worm and gear speed reducer and comprises a hand chain wheel and an iron chain sleeved on the outer peripheral surface of the hand chain wheel, the hand chain wheel is fixedly connected with the end part of an input shaft of the speed reducer, a transmission gear is sleeved on an output shaft of the speed reducer, and the transmission gear is meshed with the tooth-shaped track. The hanging basket can do uniform motion along the I-shaped beam, can brake and stop at any time, is locked in position when stopped, cannot move due to ship shaking, and is safer in maintenance operation.

Description

A special hanging flower basket for overhauing cabin driving

Technical Field

The invention relates to the technical field of ships, in particular to a special hanging basket for overhauling a cabin crane.

Background

Present cabin driving is at the operation during operation, the proruption electric cabinet of cabin driving may appear, motor trouble, thereby lead to the unable operation of cabin driving, because cabin driving body position is higher, and do not directly get into the platform of cabin driving, maintenance personal can't get into the cabin driving through normal way and overhaul, chinese utility model patent that publication number is CN211895625U discloses a boats and ships host computer emergent maintenance dolly of driving, through the displacement dolly of installing the area hanging flower basket on the track of cabin driving, realize the transportation of people on the track of cabin driving, transport cabin driving fault location with maintenance personal. However, there is very big defect in current emergency maintenance dolly when using, boats and ships are when navigating on the surface of water, can appear leaning forward or hypsokinesis along with the rivers usually, current emergency maintenance dolly can make a round trip to displace on the track along with rocking of boats and ships when using, there is not corresponding arresting gear, can't steadily fix a position the dolly, bring very big inconvenience for maintenance work, it still can produce great potential safety hazard to the maintenance personal to make a round trip to rock simultaneously, use stay cord drive dolly, because the dolly does not have the constant speed device, therefore the velocity of motion of dolly is uncontrollable, receive the influence that boats and ships rocked and dolly inertia, make the dolly take place the condition of hypervelocity displacement when displacement on the track at every turn, the dolly can't in time brake and lead to bumping with other equipment or pipelines in the cabin, and then cause the incident.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a special hanging basket for overhauling a cabin crane, which can stop the hanging basket at any time in the displacement process, can realize uniform-speed displacement of the hanging basket, is not influenced by forward inclination or backward inclination of a ship, ensures that maintenance personnel can stably maintain the hanging basket, and eliminates potential safety hazards.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a special hanging flower basket for overhauing cabin driving, includes the travelling car, the travelling car below rigid coupling has the hanging flower basket, the travelling car includes left and right frame, connects fixedly through the connecting axle between the left and right frame, is provided with symmetrical gyro wheel on the left and right frame respectively, the gyro wheel is located the both sides of cabin driving I-beam top surface respectively, and I-beam bottom surface is provided with the profile of tooth track, and right frame outside rigid coupling has decelerator, decelerator is worm gear speed reducer, includes hand sprocket and cup joints the iron chain on hand sprocket outer peripheral face, and hand sprocket and decelerator's input shaft tip rigid coupling, and the cover is equipped with drive gear on decelerator's the output shaft, drive gear and profile of tooth track meshing. The iron chain is pulled, the speed reducer is driven to move on the tooth-shaped track at a constant speed through the transmission gear, the idler wheel is driven to roll on the I-shaped beam, the trolley is enabled to run more stably, the iron chain is stopped to be pulled, self-locking is formed between the transmission gear and the tooth-shaped track, even if the ship inclines or shakes, the movable trolley cannot move, and maintenance personnel are guaranteed to be in a stable state all the time when the cabin is driven to maintain.

Preferably, the shape of the circumferential surface of the roller is matched with the structure of the top surface of the I-shaped beam.

Preferably, the two ends of the connecting shaft are fastened with the left frame and the right frame through hexagon nuts, and flat washers and spring washers are sequentially arranged between the hexagon nuts and the left frame and the right frame.

Preferably, the hanging basket is of a frame structure, a plurality of protection chains are arranged on one side, facing the cabin channel, of the hanging basket, one end of each protection chain is fixedly connected with the hanging basket, and the other end of each protection chain is connected with the hanging basket through a buckle. The use of guard chains rather than rigid railings makes installation simpler.

Preferably, rubber buffers are arranged at the bottoms of the front end and the rear end of the hanging basket. Prevent that the hanging flower basket from colliding with equipment in the displacement process, can effectively reduce the harm.

Preferably, both ends all are provided with stop device around left and right frame, and the I-beam both ends are provided with corresponding limit baffle.

Compared with the prior art, the invention has the following advantages:

the hand chain wheel control speed reducer is driven by the pulling iron chain, the moving trolley moves along the I-shaped beam at a constant speed, the pulling iron chain is stopped, the transmission gear and the tooth-shaped track form self locking, the moving trolley realizes braking control, when the ship inclines forwards and backwards or shakes, the hanging basket can continue to keep relatively static, a stable maintenance environment is provided for workers who maintain the cabin crane in the hanging basket, meanwhile, the hanging basket can be effectively prevented from being influenced by the shaking of the ship, the I-shaped beam moves back and forth, and finally safety accidents are caused.

Drawings

FIG. 1 is an installation schematic of the present invention;

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

FIG. 3 is a schematic structural view of the mobile trolley mounted on an I-beam;

the device comprises a movable trolley 1, a left frame 101, a right frame 102, a connecting shaft 103, a roller 104, a hand chain wheel 105, an iron chain 106, an output shaft 107, a transmission gear 108, a limiting device 109, a hanging basket 2, a protective chain 201, a rubber buffer 202, an I-beam 3, a toothed rail 301, a limiting baffle 302

Detailed Description

The present invention is further illustrated by the following description in conjunction with the accompanying drawings, which are to be construed as merely illustrative and not limitative of the remainder of the disclosure, and on reading the disclosure, various equivalent modifications thereof will become apparent to those skilled in the art and fall within the limits of the appended claims.

As shown in figures 1-3, a special hanging basket for overhauling a cabin travelling crane comprises a travelling car 1, the travelling car comprises a left frame 101 and a right frame 102, the left frame and the right frame are connected through a connecting shaft 103, two ends of the connecting shaft are fastened with the left frame and the right frame through hexagon nuts, a flat washer and a spring washer are sequentially arranged between the hexagon nuts and the left frame and the right frame, symmetrical rollers 104 are respectively arranged on the left frame and the right frame, the rollers are pivoted with a wheel shaft, bearings are arranged between the rollers and the wheel shaft, the rollers are respectively positioned on two sides of the top surface of an I-shaped beam 3 of the cabin travelling crane, the shape of the circumferential surface of each roller is matched with the structure of the top surface of the I-shaped beam, so that the rollers can roll on the I-shaped beam more smoothly, a tooth-shaped track 301 is arranged on the bottom surface of the I-shaped beam, and limiting devices 109 are respectively arranged at the front end and the rear end of the left frame and the right frame, the two ends of the I-beam are provided with corresponding limiting baffles 302, the outer side of the right frame is welded with a speed reducer frame, the speed reducer frame is fixedly connected with a speed reducer, the speed reducer is a worm gear speed reducer, the worm gear speed reducer comprises a hand chain wheel 105 and an iron chain 106 sleeved on the outer peripheral surface of the hand chain wheel, the hand chain wheel is fixedly connected with the end part of an input shaft of the worm gear speed reducer, an output shaft 107 of the worm gear speed reducer is sleeved with a transmission gear 108, the transmission gear is meshed with a toothed rail, a hanging basket 2 is fixedly connected below the moving trolley, the hanging basket is of a frame structure, one side, facing the cabin channel, of the hanging basket is provided with a plurality of protective chains 201, one end of each protective chain is fixedly connected with the hanging basket, the other end of each protective chain is connected with the hanging basket through a buckle, rubber buffers 202 are arranged at the bottoms of the front end and the rear end of the hanging basket, and the hanging basket is formed by welding through steel pipes and angle steel pipes.

The working principle of the special hanging basket for overhauling the cabin crane is as follows: a maintenance person pulls the protection chain open, after the protection chain enters a hanging basket, a hasp at the free end of the protection chain is buckled with the hanging basket, an iron chain sleeved on a hand chain wheel is pulled, the iron chain drives the hand chain wheel to rotate, the hand chain wheel drives an input shaft to rotate, the input shaft drives an output shaft to rotate, the rotating speed of the output shaft is smaller than that of the input shaft, a transmission gear sleeved on the output shaft also rotates along the output shaft, the transmission gear is meshed and rotates along a toothed track and drives rollers to roll on two sides of the top surface of an I-shaped beam to drive the whole hanging basket to displace along the I-shaped beam until the position of the hanging basket reaches a cabin crane fault position, the iron chain is stopped to be pulled, the transmission gear stops rotating, the transmission gear and the toothed track form self-locking, the hanging basket stops displacing, the maintenance person starts to maintain, and pulls the iron chain again after the maintenance is finished, so that the hanging basket is displaced to the starting position to stop.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a special hanging flower basket for overhauing cabin driving, its characterized in that: the hanging basket is fixedly connected below the moving trolley, the moving trolley comprises a left frame and a right frame, the left frame and the right frame are fixedly connected through a connecting shaft, symmetrical idler wheels are arranged on the left frame and the right frame respectively, the idler wheels are located on two sides of the top surface of an I-shaped beam of the cabin traveling crane respectively, a tooth-shaped track is arranged on the bottom surface of the I-shaped beam, a speed reducer is fixedly connected to the outer side of the right frame and is a worm gear speed reducer and comprises a hand chain wheel and an iron chain sleeved on the outer peripheral surface of the hand chain wheel, the hand chain wheel is fixedly connected with the end part of an input shaft of the speed reducer, a transmission gear is sleeved on an output shaft of the speed reducer, and the transmission gear is meshed with the tooth-shaped track.

2. A specialized gondola for servicing a nacelle travelling crane according to claim 1, characterized in that: the shape of the circumferential surface of the roller is matched with the structure of the top surface of the I-shaped beam.

3. A specialized gondola for servicing a nacelle travelling crane according to claim 1, characterized in that: the two ends of the connecting shaft are fastened with the left frame and the right frame through hexagon nuts, and flat washers and spring washers are sequentially arranged between the hexagon nuts and the left frame and the right frame.

4. A gondola for servicing a nacelle travelling crane according to claim 1, characterized in that: the hanging basket is of a frame type structure, a plurality of protection chains are arranged on one side, facing the cabin channel, of the hanging basket, one end of each protection chain is fixedly connected with the hanging basket, and the other end of each protection chain is connected with the hanging basket through a hasp.

5. A gondola for servicing a nacelle travelling crane according to claim 1, characterized in that: rubber buffers are arranged at the bottoms of the front end and the rear end of the hanging basket.

6. A specialized gondola for servicing a nacelle travelling crane according to claim 1, characterized in that: both ends all are provided with stop device around left and right frame, and the I-beam both ends are provided with corresponding limit baffle.