CN219885455U

CN219885455U - Anti-falling structure of gantry crane

Info

Publication number: CN219885455U
Application number: CN202322528620.XU
Authority: CN
Inventors: 王志龙
Original assignee: Henan Yaou Lifting Equipment Co ltd
Current assignee: Henan Yaou Lifting Equipment Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2023-10-24
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a falling-preventing structure of a gantry crane, and relates to the technical field of cranes. The utility model comprises a fixed component and a hoisting component, wherein the hoisting component is arranged on the lower surface of the fixed component; the fixed component comprises a bridge, and the inner side of the bridge is movably connected with a control chamber; the hoisting assembly comprises a fixed plate fixed on the lower surface of the control room, a suspension piece is fixed in the center of the lower surface of the fixed plate, two electric hoist are respectively arranged on two sides of the suspension piece, and the two electric hoist are fixedly connected with the fixed plate. According to the utility model, through the arrangement of the electric hoist and the bearing plate which can assist in cargo delivery, the problems that the conventional gantry crane inevitably shakes, unhooks and has great potential safety hazard in the lifting process are solved, and meanwhile, the bearing capacity of the conventional hoisting piece and the electric hoist and the bearing plate double-hoisting device is greatly increased.

Description

Anti-falling structure of gantry crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a falling prevention structure of a gantry crane.

Background

The gantry crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards, as two ends of the gantry crane are seated on high cement columns or metal brackets, the gantry crane is shaped like a bridge, and runs longitudinally along rails paved on the two side high frames, so that space below the bridge can be fully utilized for hoisting materials, the space below the bridge is not blocked by ground equipment, the gantry crane is applied to large-scale cargo loading places such as daily hoisting containers for freight wharfs, the gantry crane is a hoisting machine with the widest application range and the largest quantity, the gantry crane has the same working characteristics as the traditional crane, namely, the corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle are alternately operated, the gantry crane is more and more widely developed and used in the market, and the gantry crane has the advantages of stable operation, large hoisting capacity and the like.

The gantry crane is widely applied to the market, the crane works in a place where articles need to be hung to be very high, so that the safety problem is that the articles are heavy, the traditional gantry crane hangs the articles according to the lifting hook, then the lifting hook is pulled by the steel wire rope to complete lifting, the lifting hook is purely arranged at an opening where the articles need to be hung, and the lifting hook can be influenced by the unreliability factors such as shaking and blowing of the goods in the lifting process, so that unhooking situations are likely to occur, and great potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a falling-preventing structure of a gantry crane, which solves the problems that the conventional gantry crane inevitably shakes in the lifting process, has unhooking risks and has great potential safety hazards by arranging an electric hoist and a bearing plate which can assist in carrying goods, and simultaneously greatly increases the bearing capacity by using a conventional double-lifting device comprising a suspension piece and the electric hoist and the bearing plate.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a falling-preventing structure of a portal crane, which comprises a fixed component and a hoisting component, wherein the hoisting component is arranged on the lower surface of the fixed component;

the fixed component comprises a bridge, and the inner side of the bridge is movably connected with a control chamber;

the hoisting assembly comprises a fixed plate fixed on the lower surface of the control room, a suspension piece is fixed in the center of the lower surface of the fixed plate, two electric hoist are respectively arranged on two sides of the suspension piece, and the two electric hoist are fixedly connected with the fixed plate.

When the lifting device is used, goods are lifted through the suspension piece, then the bearing plate is lifted through the electric hoist, and the suspension piece and the electric hoist are synchronously started when the bearing plate and the lifting piece exert force on the goods simultaneously, so that the goods are borne and lifted simultaneously, the bearing capacity of the whole device is increased, and better stability is realized in the lifting process.

Further, two fixing arms are fixed on the upper surface of the bridge.

Further, two support columns are respectively fixed on two sides of the lower surface of the bridge.

Further, the electric hoist comprises a winding drum, steel wire ropes and rope pulleys, two steel wire ropes which are arranged in the same direction are wound on a rope shaft inside the winding drum, and each rope pulley is sleeved on each steel wire rope.

Further, the hoisting assembly further comprises a bearing plate, and two rope pulleys on the same electric hoist are fixed at the same end of the bearing plate.

Further, equidistant anti-skid grooves are formed in the surface of the bearing plate.

The utility model has the following beneficial effects:

1. according to the utility model, the electric hoist and the bearing plate which can assist in consignment of goods are arranged, when the electric hoist is used, goods are lifted through the suspension part, then the bearing plate is lifted through the electric hoist, and when the bearing plate and the lifting part act on the goods at the same time, the suspension part and the electric hoist are synchronously started, so that the electric hoist can bear and lift the goods at the same time, and the problems that shaking is unavoidable, unhook risk exists and great potential safety hazard exists in the traditional gantry crane lifting process are solved.

2. According to the double-lifting structure of the suspension piece and the electric hoist and the bearing plate, the bearing capacity of the whole portal crane is increased, heavier cargoes can be lifted, the performance of the portal crane is greatly enhanced, and the problem that the conventional portal crane can cause overweight cargoes, insufficient starting force and incapability of lifting the cargoes is solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model with support posts removed;

FIG. 3 is a schematic view of the bridge and cab connection of the present utility model;

FIG. 4 is a schematic view of the structure of the lifting assembly of the present utility model;

FIG. 5 is a schematic diagram showing the connection between an electric hoist and a carrier plate according to the present utility model;

reference numerals:

1. a fixing assembly; 101. a bridge; 102. a fixed arm; 103. a control room; 104. a support column; 2. hoisting the assembly; 201. a fixing plate; 202. a suspension member; 203. an electric hoist; 2031. a reel; 2032. a wire rope; 2033. a rope pulley; 204. and a bearing plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model discloses a falling prevention structure of a gantry crane, which comprises a fixed component 1 and a hoisting component 2, wherein the hoisting component 2 is arranged on the lower surface of the fixed component 1;

the fixed component 1 is in a traditional portal crane bridge 101, a support column 104 and other structures and is used for supporting the whole device and enabling the hoisting component 2 to move so as to realize the hoisting of cargoes, and the hoisting component 2 is used for fixing and carrying the cargoes and hoisting the cargoes for transportation;

the fixed assembly 1 comprises a bridge frame 101, and a control chamber 103 is movably connected to the inner side of the bridge frame 101; the bridge 101 is used for supporting the bearing control chamber 103 and the hoisting assembly 2 below the control chamber 103, and plays a role of a track to enable the bearing control chamber 103 to move;

the hoisting assembly 2 comprises a fixed plate 201 fixed on the lower surface of the control chamber 103, a suspension piece 202 is fixed in the center of the lower surface of the fixed plate 201, one electric hoist 203 is respectively arranged on two sides of the suspension piece 202, and the two electric hoists 203 are fixedly connected with the fixed plate 201.

The fixing plate 201 plays a role in fixing two electric hoist 203, the electric hoist 203 is of a double-rope design, two edges and corners of one end of the bearing plate 204 are fixed through the steel wire rope 2032 and the rope wheels 2033 on the steel wire rope 2032, the other electric hoist 203 is fixed at two edges and corners of the other end of the bearing plate 204, and the two electric hoist 203 synchronously operate, so that the bearing plate 204 is always kept horizontal.

When the electric hoist is used, the goods are lifted through the suspension piece 202, then the bearing plate 204 is lifted through the electric hoist 203, and when the bearing plate 204 and the suspension piece 202 simultaneously apply force to the goods, the suspension piece 202 and the electric hoist 203 are synchronously started, so that the goods are simultaneously borne and lifted.

The upper surface of the bridge 101 is also fixed with two fixing arms 102; the fixing arms 102 serve to stiffen the stability of the whole bridge 101.

Two support columns 104 are respectively fixed on two sides of the lower surface of the bridge 101; the support column 104 is used to support the entire gantry crane and to raise the gantry crane to a sufficient height for handling cargo.

The electric hoist 203 comprises a winding drum 2031, steel wire ropes 2032 and rope pulleys 2033, two steel wire ropes 2032 which are arranged in the same direction are wound on a rope shaft in the winding drum 2031, and each rope pulley 2033 is sleeved on each steel wire rope 2032.

The hoisting assembly 2 further comprises a carrying plate 204, and two sheaves 2033 on the same electric block 203 are fixed to the same end of the carrying plate 204.

The electric hoist 203 and the bearing plate 204 double-lifting structure also increase the bearing capacity of the whole portal crane, can lift heavier cargoes, and greatly strengthen the performance of the portal crane.

The surface of the bearing plate 204 is provided with equidistant anti-skid grooves; the anti-skid grooves provided on the loading plate 204 can greatly improve the friction force of the whole loading plate 204, so that the loading plate can more stably place the loaded goods.

The specific working principle of the utility model is as follows:

the structure is a falling-preventing structure of a portal crane, the portal crane is the most common crane type on the market, all the crane functions are for lifting articles at high altitude, the link itself inevitably has great potential safety hazards, the traditional lifting is for lifting hook to hook goods, and the structure is additionally provided with a bearing plate 204 on the basis of hooking goods to better bear the goods.

When the electric hoist is used, the conventional portal crane is used, the steel wire 2032 is used for fixing the goods, the lifting hook on the suspension piece 202 is used for fishing the goods, in the process, the steel wire 2032 is electrically lengthened to enable the bearing plate 204 to be firstly placed on the ground on one side of the goods, the suspension piece 202 is slowly lifted after the goods are hooked, after the goods are lifted by a certain height (about one meter), the electric hoist 203 is started, the bearing plate 204 is slowly lifted, the bearing plate 204 is vertically and downwards influenced by gravity and can move to the lower end of the goods hung by the suspension piece 202, at the moment, the winding of the steel wire 2032 of the electric hoist 203 and the steel wire 2032 of the suspension piece 202 is prevented, the shaking of the bearing plate 204 when the lifting is manually controlled when necessary until the goods are lifted to the lower side of the goods, the bearing plate 204 is stably contacted with the goods, and the lifting hook of the suspension piece 202 is not loosened, the purpose of the arrangement is to adopt the bearing plate 204 to carry and the suspension piece 202 to hoist synchronously, thus increasing the stability of the whole hoist hoisting process, the bearing plate 204 is hoisted by two electric hoist 203 arranged in mirror image, each electric hoist 203 is of double-rope design, each steel wire rope 2032 is sleeved with one rope wheel 2033, the two rope wheels 2033 on the same electric hoist 203 are fixed on the same end of the bearing plate 204, and the two electric hoist 203 synchronously operate, so that the bearing plate 204 can be vertically lifted, compared with the suspension piece 202 which has only one fulcrum, the bearing plate 204 has extremely strong stability, can greatly reduce the shaking generated in the hoisting process, and greatly reduce the unhooking risk of the goods caused by shaking, meanwhile, the bearing plate 204 is provided with an anti-skid groove, and the friction force between the bearing plate and goods to be hoisted is increased through an uneven plane, so that the anti-skid purpose is achieved.

The device is through hanging piece 202 and electric block 203 and two jack-up handling structures of loading board 204, not only make whole handling process safer, simultaneously because electric block 203 and the supplementary handling of loading board 204 make it have bigger handling dynamics, originally surpass the goods of traditional handling piece handling limit and make it can safely start the handling under two sets of simultaneous handling of electric block 203 and hanging piece 202, the bearing capacity of device itself has been promoted, very big reinforcing its own performance, two have one's own.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a gantry crane anti-falling structure, includes fixed subassembly (1) and hoist and mount subassembly (2), its characterized in that: the hoisting assembly (2) is arranged on the lower surface of the fixing assembly (1);

the fixed assembly (1) comprises a bridge (101), and a control chamber (103) is movably connected to the inner side of the bridge (101);

the hoisting assembly (2) comprises a fixed plate (201) fixed on the lower surface of the control room (103), a suspension piece (202) is fixed at the central position of the lower surface of the fixed plate (201), an electric hoist (203) is respectively arranged on two sides of the suspension piece (202), and the two electric hoists (203) are fixedly connected with the fixed plate (201).

2. The gantry crane fall arrest structure as claimed in claim 1, wherein: the upper surface of the bridge (101) is also fixed with two fixing arms (102).

3. The gantry crane fall arrest structure as claimed in claim 1, wherein: two support columns (104) are respectively fixed on two sides of the lower surface of the bridge (101).

4. The gantry crane fall arrest structure as claimed in claim 1, wherein: the electric hoist (203) comprises a winding drum (2031), steel wire ropes (2032) and rope pulleys (2033), two steel wire ropes (2032) which are arranged in the same direction are wound on rope shafts inside the winding drum (2031), and each rope pulley (2033) is sleeved on each steel wire rope (2032).

5. The gantry crane fall arrest structure as claimed in claim 4, wherein: the hoisting assembly (2) further comprises a bearing plate (204), and the two rope pulleys (2033) on the same electric hoist (203) are fixed at the same end of the bearing plate (204).

6. The gantry crane fall arrest structure as claimed in claim 5, wherein: the surface of the bearing plate (204) is provided with equidistant anti-skid grooves.