CN216512340U - Adjustable hoisting device for overhauling steam-electric boiler equipment - Google Patents

Abstract

The utility model discloses an adjustable hoisting device for overhauling steam-motor-electric boiler equipment, which comprises a base, wherein holes are formed in the surface of the base in a circumferential array mode, ropes for hoisting electric boilers are connected in the holes, a driving assembly is arranged on one side of the base, a sliding block can be extended or shortened through the driving assembly, so that the device is suitable for electric boilers with different specifications, the ropes are matched with a rotating wheel at the front end of the sliding block to be connected with the electric boilers, and the whole device is rectangular, so that the device is not easy to deflect during hoisting and is convenient for overhauling by maintainers.

Description

Adjustable hoisting device for overhauling steam-electric boiler equipment

Technical Field

The utility model relates to the technical field of boiler hoisting, in particular to an adjustable hoisting device for overhauling steam-electric boiler equipment.

Background

A power station boiler, also called a power station boiler, refers to a medium-large boiler providing steam with specified quantity and quality to a steam turbine in a power station, one of the main thermal devices of a thermal power station is often matched with a steam turbine generator set with a certain capacity, and is mainly used for power generation, but can also be used for external heat supply in some special occasions, generally, the evaporation capacity is large, the steam parameter steam temperature and the steam pressure are very high, a whole set of auxiliary equipment is needed, a chamber combustion hearth needs to be configured, a forced ventilation mode is adopted, various fuels such as coal powder, crude oil or heavy oil, blast furnace gas or coke oven gas can be combusted, the structure is complex, the efficiency is high, most of the fuels can reach about 85-93%, and the requirements on the operation management level, the mechanization degree and the automatic control technology are quite high.

When current lifting to steam turbine electric boiler equipment overhauls, it is fixed with the go-between of four ropes and boiler edge usually earlier, then drive the rope through the motor and rise, then command the position of lifting worker adjustment rope according to maintainer's gesture and overhaul, but electric boiler equipment cross-sectional area is great usually to make four ropes after the hoist and mount be triangle-shaped, make the electric boiler after the hoist and mount take place to rotate easily, cause the difficulty to maintainer's maintenance operation.

To this end, we propose an adjustable lifting device for the overhaul of steam-electric boiler plants.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable hoisting device for overhauling steam-electric boiler equipment, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an adjustable device of lifting by crane for steam turbine electric boiler equipment overhauls, includes the base, the hole has been seted up to base surface circumference array, the hole in-connection has the rope that is used for lifting by crane electric boiler, base one side is provided with drive assembly.

Preferably, the driving assembly further comprises a motor, a first bevel gear is connected to the end portion of a rotating shaft inside the motor, four groups of shells are connected to the circumference array on one side of the base, a rotating rod is connected to the shells, one end, close to the first bevel gear, of the rotating rod is connected with a second bevel gear meshed with the first bevel gear, a sliding block is connected to the shells, a sliding chute matched with the sliding block is formed in the shells, and a rotating wheel is connected to one side, away from the second bevel gear, of the sliding block.

Preferably, the sliding block is connected with the shell in a sliding mode, the sliding block is connected with the rotating rod in a threaded mode, one end, close to the rotating wheel, of the sliding block is connected with a limiting plate, and the two limiting plates are symmetrically arranged on the horizontal center plane of the sliding block.

Preferably, a supporting plate is connected to one side of the sliding block, a square groove matched with the supporting plate to slide is formed in the surface of the shell, and a groove is formed in one side, close to the rope, of the supporting plate.

Preferably, one side of the shell is connected with a reinforcing rib, and the reinforcing rib is triangular.

The utility model has at least the following beneficial effects: compared with the prior art, when the existing steam-motor electric boiler equipment is hoisted and overhauled, the four ropes are fixed with the connecting rings at the corners of the boiler, then the ropes are driven to rise through the motor, and then a hoisting worker is instructed to adjust the positions of the ropes according to the gestures of the overhauling worker to overhaul, but the cross section area of the electric boiler equipment is large, so that the four hoisted ropes are triangular, the hoisted electric boiler is easy to rotate, and the overhauling operation of the overhauling worker is difficult. The whole body is rectangular, so that the lifting device is not easy to deflect and is convenient for maintenance personnel to maintain.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional structural view of the present invention.

In the figure: 1-a base; 2-a drive assembly; 3-a rope; 21-a motor; 22-bevel gear one; 23-a housing; 24-rotating rods; 25-bevel gear two; 26-a slide block; 27-a rotating wheel; 31-a limiting plate; 32-a support plate; 33-reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an adjustable device that lifts by crane for steam turbine electric boiler equipment overhauls, includes base 1, the hole has been seted up to 1 surperficial circumference array of base, the hole in-connection has the stretching 3 that is used for lifting by crane electric boiler, 1 one side of base is provided with drive assembly 2.

The driving assembly 2 further comprises a motor 21, the motor 21 is fixedly connected with the base 1, a first bevel gear 22 is fixedly connected to the end portion of a rotating shaft inside the motor 21, four groups of shells 23 are circumferentially arrayed on one side of the base 1, the shells 23 are fixedly connected with the base 1, a rotating rod 24 is rotatably connected in each shell 23, a second bevel gear 25 meshed with the first bevel gear 22 is fixedly connected to one end, close to the first bevel gear 22, of the rotating rod 24, a sliding block 26 is connected in each shell 23, a sliding groove matched with the sliding block 26 to slide is formed in each shell 23, a rotating wheel 27 is connected to one side, far away from the second bevel gear 25, of each sliding block 26, each rotating wheel 27 is rotatably connected with the corresponding sliding block 26, when an overhaul person lifts the electric boiler to overhaul, the motor 21 can be controlled to rotate according to the size of the cross section of the electric boiler, so that the motor 21 drives the second bevel gear 25 meshed with the first bevel gear 22 to rotate, and then make four sliders 26 outwards extend simultaneously to make the rope as far as possible perpendicular and electric boiler's connecting hole, adopt motor 21 driven mode, convenient and fast when overhauing, through extending slider 26, can be so that rope 3 is the rectangle after being connected with electric boiler go-between, and then can rise perpendicularly when hoisting difficult emergence rotation, make things convenient for the maintainer to overhaul.

The slider 26 and the casing 23 sliding connection, the slider 26 and the dwang 24 threaded connection, the slider 26 is close to and rotates wheel 27 one end fixedly connected with limiting plate 31, limiting plate 31 is provided with two sets of about slider 26 horizontal central plane symmetry, through there are two sets of limiting plates 31 at slider 26 end connection, limiting plate 31 can play spacing effect when rope 3 extends or shortens, avoids rope 3 to break away from and rotates wheel 27, and the design of two sets of limiting plates 31 has both played spacing effect and has also reduced the friction between rope 3 and the limiting plate 31.

One side of the sliding block 26 is connected with a supporting plate 32, the supporting plate 32 is fixedly connected with the sliding block 26, a square groove matched with the supporting plate 32 to slide is formed in the surface of the shell 23, the groove is formed in the side, close to the rope 3, of the supporting plate 32, along with the extension of the sliding block 26, the rope 3 penetrates through the rotating wheel 27 to be attached to the groove in the supporting plate 32, and the supporting plate 32 can play a role in sharing the force borne by the rotating wheel 27, so that the whole device is more stable.

Casing 23 one side is connected with strengthening rib 33, strengthening rib 33 shape is triangle-shaped, and strengthening rib 33 makes when hoist and mount, is connected more firmly between casing 23 and the base 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an adjustable device that lifts by crane for steam turbine electric boiler equipment overhauls which characterized in that: the electric boiler lifting device is characterized by comprising a base (1), wherein holes are formed in the surface of the base (1) in a circumferential array mode, ropes (3) used for lifting an electric boiler are connected in the holes, and a driving assembly (2) is arranged on one side of the base (1).

2. An adjustable lifting device for overhaul of a steam-electric boiler plant according to claim 1, characterized in that: drive assembly (2) still include motor (21), the inside pivot end connection of motor (21) has bevel gear (22), base (1) one side circumference array is connected with four group's casings (23), casing (23) in-connection has dwang (24), dwang (24) are close to bevel gear (22) one end and are connected with bevel gear two (25) with bevel gear (22) engaged with, casing (23) in-connection has slider (26), the gliding spout of cooperation slider (26) has been seted up in casing (23), slider (26) are kept away from bevel gear two (25) one side and are connected with and are rotated wheel (27).

3. An adjustable lifting device for overhaul of a steam-electric boiler plant according to claim 2, characterized in that: slider (26) and casing (23) sliding connection, slider (26) and dwang (24) threaded connection, slider (26) are close to and rotate wheel (27) one end and are connected with limiting plate (31), limiting plate (31) are provided with two sets ofly about slider (26) horizontal central plane symmetry.

4. An adjustable lifting device for overhaul of a steam-electric boiler plant according to claim 3, characterized in that: one side of the sliding block (26) is connected with a supporting plate (32), a square groove matched with the supporting plate (32) to slide is formed in the surface of the shell (23), and a groove is formed in one side, close to the rope (3), of the supporting plate (32).

5. An adjustable lifting device for overhaul of a steam-electric boiler plant according to claim 4, characterized in that: one side of the shell (23) is connected with a reinforcing rib (33), and the reinforcing rib (33) is triangular.

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