CN213597458U

CN213597458U - Maintenance platform lifting mechanism

Info

Publication number: CN213597458U
Application number: CN202022040000.8U
Authority: CN
Inventors: 章兴昌
Original assignee: Changzhou Changjiang Electric Machinery Factory Co ltd
Current assignee: Changzhou Changjiang Electric Machinery Factory Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-07-02
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to the technical field of maintenance devices, in particular to a maintenance platform lifting mechanism, which comprises an electric boiler body and a platform arranged in the electric boiler body, wherein a driving component for driving the platform to lift is arranged on the electric boiler body; the driving assembly comprises a winch arranged on the outer wall of the electric boiler body, a plurality of wire holes are formed in the top of the electric boiler body, a plurality of fixed pulleys fixedly connected to the top end of the electric boiler body are arranged at the wire holes, and wires of the winch sequentially penetrate through the fixed pulleys and the wire holes and are fixedly connected with the platform. The hoist engine is started, the hoist engine rolls the wire, the rising of the platform is realized, the hoist engine emits the wire, the descending of the platform is realized, a scaffold does not need to be installed in the electric boiler body, the potential safety hazard is reduced, the manpower and the material resources are saved simultaneously, and the cost is reduced.

Description

Maintenance platform lifting mechanism

Technical Field

The utility model belongs to the technical field of the technique of overhauing the device and specifically relates to an overhaul platform elevating system is related to.

Background

The boiler furnace overhaul work in the thermal power generation industry is completed by 80% by adopting a construction scheme of manually binding scaffolds from the bottom to the top in the boiler furnace. In the process of maintenance, workers work in different up-and-down crossed directions, great potential safety hazards are brought, in the incomplete statistical investigation, a safety accident 53 caused by problems occurs in 2017, the number of dead people is 60, the number of serious injury and slight injury people is more than three times that of dead people, in 2018, the number of safety accidents is 40, the number of dead people is 40, and the number of serious injury and slight injury people is more than 100. Great loss is brought to the thermal power generation industry and families.

Meanwhile, because of the bottommost is comparatively narrow in the furnace, lead to current boiler furnace to overhaul the platform and still can't directly assemble in furnace bottommost, still need to prick the scaffold frame from furnace bottommost, again overhaul the platform with main and assemble in scaffold frame top, this form has the potential safety hazard, and the process of pricking the scaffold frame is not safe, often has the incident and takes place to need a large amount of manpower and materials, the expense is higher.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an overhaul platform elevating system, the equipment that can solve among the prior art furnace and overhaul the platform needs to prick the scaffold from furnace bottommost and leads to the higher technical problem of potential safety hazard and expense.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a maintenance platform lifting mechanism comprises an electric boiler body and a platform arranged in the electric boiler body, wherein a driving assembly for driving the platform to lift is arranged on the electric boiler body; the driving assembly comprises a winch arranged on the outer wall of the electric boiler body, a plurality of wire holes are formed in the top of the electric boiler body, a plurality of fixed pulleys fixedly connected to the top end of the electric boiler body are arranged at the wire holes, and wires of the winch sequentially penetrate through the fixed pulleys and the wire holes and are fixedly connected with the platform.

Through adopting above-mentioned technical scheme, start the hoist engine, hoist engine rolling wire realizes the rising of platform, and the hoist engine emits the wire, realizes the decline of platform, need not install the scaffold frame at this internal electric boiler, has reduced the potential safety hazard, has saved manpower and material resources simultaneously, and then the reduction expense.

The present invention may be further configured in a preferred embodiment as: platform length direction's both sides fixedly connected with a plurality of gyro wheel, the gyro wheel is contradicted with electric boiler body inner wall.

By adopting the technical scheme, the rollers can play a role in buffering between the platform and the inner wall of the electric boiler, so that the collision between the platform and the inner wall of the electric boiler is reduced, and the inner wall of the boiler is protected; meanwhile, the roller can reduce the friction between the platform and the inner wall of the electric boiler, so that the platform can be lifted more smoothly.

The present invention may be further configured in a preferred embodiment as: the platform comprises a support frame and an annular support plate fixedly connected to the periphery of the support frame.

Through adopting above-mentioned technical scheme, the staff is when overhauing, mainly stands around the platform, sets the combination of support frame and annular support plate to the platform, can reduce the weight of platform, save material.

The present invention may be further configured in a preferred embodiment as: and the four outer corners of the annular supporting plate are provided with cut corners.

Through adopting above-mentioned technical scheme, four external angles of annular supporting plate are comparatively sharp-pointed, can collide the electric boiler inner wall, set up the corner cut, can reduce the collision of the external angle of platform to the electric boiler inner wall.

The present invention may be further configured in a preferred embodiment as: the support frame is fixedly connected with a T-shaped support plate, and the T-shaped support plate is communicated with the annular support plate.

Through adopting above-mentioned technical scheme, the T type backup pad can make things convenient for the staff to overhaul electric boiler top and bottom, improves convenience and the security of staff's during operation.

The present invention may be further configured in a preferred embodiment as: the T-shaped supporting plate and the annular supporting plate are fixedly connected with railings on two sides.

Through adopting above-mentioned technical scheme, the railing can prevent that the staff from falling, improves the security, protection staff's personal safety.

The present invention may be further configured in a preferred embodiment as: the guardrail is connected with a safety rope in a sliding mode.

Through adopting above-mentioned technical scheme, the safety rope can further prevent that the staff from falling, improves the security, protection staff's personal safety.

The present invention may be further configured in a preferred embodiment as: the inner wall of the electric boiler body is longitudinally provided with a roller groove matched with the roller.

Through adopting above-mentioned technical scheme, the roll orbit of gyro wheel can be injectd in the gyro wheel groove, reduces the workman and stands rocking on the platform, increases the security.

The present invention may be further configured in a preferred embodiment as: the roller is rotatably connected with the platform, and the maximum rotation angle is 90 degrees.

Through adopting above-mentioned technical scheme, when the gyro wheel rotated to the horizontality, can contradict with boiler body inner wall, the platform lift was more smooth and easy during, and during the vertical state when the gyro wheel rotated, can slide on the level land, the platform was conveniently moved on the level land.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the platform is lifted through the driving assembly, a scaffold does not need to be installed in the electric boiler body, potential safety hazards are reduced, manpower and material resources are saved, and cost is reduced;

2. the winch is started, the wire is wound by the winch, the platform is lifted, the wire is discharged by the winch, the platform is lowered, the operation is simple, and the platform is lifted stably;

3. the rollers can play a role in buffering between the platform and the inner wall of the electric boiler, so that the collision between the platform and the inner wall of the electric boiler is reduced, and the inner wall of the boiler is protected; meanwhile, the roller can reduce the friction between the platform and the inner wall of the electric boiler, so that the platform can be lifted more smoothly.

Drawings

FIG. 1 is a schematic view of the entire structure of the embodiment;

FIG. 2 is a partial structural diagram of the embodiment.

Fig. 3 is a schematic diagram of a platform structure.

In the figure, 1, an electric boiler body; 2. a platform; 21. a support frame; 22. an annular support plate; 23. a T-shaped support plate; 24. a railing; 25. a safety cord; 26. a roller; 261. a roller groove; 27. cutting corners; 3. a drive assembly; 31. a winch; 32. a fixed pulley; 33. a wire guide hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, for the utility model discloses an overhaul platform elevating system, including electric boiler body 1, set the platform 2 that can go up and down in the electric boiler body 1, be connected with the drive assembly 3 that drive platform 2 goes up and down on the platform 2. Starting drive assembly 3, driving platform 2 and going up and down along the 1 inside direction of height of electric boiler body, make things convenient for the staff to realize the maintenance to 1 inside different positions from top to bottom of electric boiler body.

Referring to fig. 1 and 2, the driving assembly 3 includes three sets of windlasses 31 disposed on the outer wall of the electric boiler body 1, three sets of wire holes 33 are disposed at the top of the electric boiler body 1, two wire holes 33 of each set are disposed, and each wire hole 33 is disposed with a fixed pulley 32 fixedly connected to the top end of the electric boiler body 1. The wire of the winch 31 passes through the fixed pulley 32 and the wire guide 33 in sequence and is fixedly connected with the platform 2. The winch 31 is started, the winch 31 winds the wires to realize the ascending of the platform 2, and the winch 31 discharges the wires to realize the descending of the platform 2.

Referring to fig. 3, the platform 2 includes a cross-shaped support frame 21, and an annular support plate 22 is fixedly connected to the periphery of the support frame 21; a T-shaped support plate 23 is fixedly connected to the middle position of the support frame 21, and the T-shaped support plate 23 is communicated with the annular support plate 22. When the staff overhauls, stand and conveniently overhaul electric boiler body 1 inner wall above annular supporting plate 22, stand and conveniently overhaul electric boiler body 1 bottom and top above T type backup pad 23.

Referring to fig. 3, in order to protect the safety of the worker, balustrades 24 are fixedly connected to both sides of the T-shaped support plate 23 and the annular support plate 22, so as to prevent the worker from falling. Meanwhile, a plurality of safety ropes 25 are connected along the railing 24 in a sliding manner, so that the safety ropes 25 are connected to a worker to prevent falling when the worker overhauls.

Referring to fig. 2 and 3, for the convenience of maintenance, annular supporting plate 22 is nearer with electric boiler body 1 inner wall distance, and platform 2 can take place to rock at the lift in-process, rocks the in-process, and annular supporting plate 22 is outer along colliding with electric boiler body 1 inner wall. Therefore, in order to reduce the collision between the outer edge of the annular support plate 22 and the inner wall of the electric boiler body 1 without affecting the lifting of the platform 2, a plurality of rollers 26 are rotatably connected to both sides of the annular support plate 22 in the length direction, and the rollers 26 are abutted to the inner wall of the electric boiler body 1. The rollers 26 are made of polyurethane, so that the elasticity is good, the friction coefficient is small, and the smoothness of the lifting of the platform 2 can be fully guaranteed. The inner wall of the electric boiler body 1 is longitudinally provided with a roller groove 261 matched with the roller 26, the roller groove 261 can limit the rolling track of the roller 26, the shaking of workers standing on the platform 2 is further reduced, and the safety is improved.

The gyro wheel 26 rotates with platform 2 to be connected, and the biggest turned angle is 90, and when gyro wheel 26 rotated to the horizontality, can contradict with boiler body 1 inner wall, makes platform 2 go up and down more smoothly, and when gyro wheel 26 rotated to the vertical state, can slide on the level land, conveniently remove platform 2 on the level land.

Referring to fig. 2 and 3, in order to prevent the four outer corners of the annular support plate 22 from colliding with the inner wall of the electric boiler body 1, chamfers 27 are formed at the four corners of the annular support plate 22 to reduce collision with the inner wall of the electric boiler body 1.

The implementation principle of the embodiment is as follows: the winch 31 is started, the winch 31 winds the wires to realize the ascending of the platform 2, and the winch 31 discharges the wires to realize the descending of the platform 2. The worker stands on the platform 2 and connects the safety rope 25 to the body; the inner wall of the electric boiler body 1 is overhauled by standing on the annular support plate 22, and the top and the bottom of the electric boiler body 1 are overhauled by standing on the T-shaped support plate 23.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an overhaul platform elevating system, includes electric boiler body (1) and locates platform (2) in electric boiler body (1), its characterized in that: the electric boiler body (1) is provided with a driving assembly (3) for driving the platform (2) to ascend and descend; drive assembly (3) is including hoist engine (31) of locating electric boiler body (1) outer wall, a plurality of wire guide (33) have been seted up at electric boiler body (1) top, wire guide (33) department is equipped with a plurality of fixed pulley (32) of fixed connection on electric boiler body (1) top, the wire of hoist engine (31) passes fixed pulley (32) and wire guide (33) in proper order to with platform (2) fixed connection.

2. The service platform lift mechanism of claim 1, wherein: the two sides of the platform (2) in the length direction are connected with a plurality of rollers (26), and the rollers (26) are abutted to the inner wall of the electric boiler body (1).

3. The service platform lift mechanism of claim 1, wherein: the platform (2) comprises a support frame (21) and an annular support plate (22) fixedly connected to the periphery of the support frame (21).

4. The service platform lift mechanism of claim 3, wherein: the four outer corners of the annular supporting plate (22) are provided with cutting corners (27).

5. The service platform lift mechanism of claim 3, wherein: the support frame (21) is fixedly connected with a T-shaped support plate (23), and the T-shaped support plate (23) is communicated with the annular support plate (22).

6. The service platform lift mechanism of claim 5, wherein: the T-shaped supporting plate (23) and the annular supporting plate (22) are fixedly connected with railings (24) on two sides.

7. The service platform lift mechanism of claim 6, wherein: the railing (24) is connected with a safety rope (25) in a sliding way.

8. The service platform lift mechanism of claim 2, wherein: the inner wall of the electric boiler body (1) is longitudinally provided with a roller groove (261) matched with the roller (26).

9. The service platform lift mechanism of claim 2, wherein: the roller (26) is rotatably connected with the platform (2), and the maximum rotation angle is 90 degrees.