CN216336233U

CN216336233U - Movable hoisting equipment for overhauling steam turbine

Info

Publication number: CN216336233U
Application number: CN202122820868.4U
Authority: CN
Inventors: 徐鹏; 李亮亮; 王军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-19
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses movable hoisting equipment for turbine maintenance, which comprises a movable base, a cab is arranged at the center of the upper end of the movable base, a rotating mechanism is rotatably arranged at the upper end of the cab, a hydraulic push rod is fixedly arranged in the rotating mechanism, a piston rod of the hydraulic push rod is fixedly connected with two movable hoisting frames, a hoisting slide rail is fixedly connected between the two movable hoisting frames, an electric hoist is slidably mounted at the lower end of the hoisting slide rail, the movable hoisting frame is driven to move by the movable base, and the movable hoisting frame is driven to transversely move by the hydraulic push rod, thereby controlling the movable hoisting frame to drive the hoisting slide rail and the electric hoist to move right above the steam turbine, thereby be convenient for hoist and mount slide rail and electric block's removal and erect the operation, can satisfy the hoist and mount demand when the steam turbine of different positions overhauls through removing hoist and mount slide rail and electric block.

Description

Movable hoisting equipment for overhauling steam turbine

Technical Field

The utility model relates to the field of movable hoisting equipment for turbine maintenance, in particular to movable hoisting equipment for turbine maintenance.

Background

A steam turbine is also called as a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed on blades to rotate a rotor provided with a blade row and apply work to the outside, the steam turbine is main equipment of a modern thermal power plant and is also used in the metallurgical industry, the chemical industry and a ship power device, the steam turbine is an external combustion rotary machine capable of converting steam heat energy into mechanical work, after the steam from a boiler enters the steam turbine, the steam sequentially passes through a series of nozzles and movable blades which are arranged in an annular mode to convert the heat energy of the steam into the mechanical energy of the rotation of a rotor of the steam turbine, the steam is subjected to energy conversion in different modes in the steam turbine to form the steam turbine with different working principles, the steam turbine needs to be inspected and maintained in the use process, the steam turbine needs to be frequently disassembled when being maintained, but each accessory of the steam turbine has larger size, during the dismantlement can't use each accessory of manpower transport, need use lifting device.

The existing hoisting equipment mostly adopts a fixedly installed portal frame to hoist the steam turbine, so that the hoisting equipment is idle in the normal working state of most of the steam turbines, great waste is caused, a group of hoisting equipment needs to be arranged in each plant, and the production cost of the steam turbine is greatly increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides movable hoisting equipment for turbine maintenance, which can be moved according to the maintenance requirements of the turbine.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a movable lifting device for steam turbine overhauls, is including removing the base, it is provided with the driver's cabin to remove base upper end center, the upper end of driver's cabin is rotated and is installed rotary mechanism, fixed mounting has hydraulic push rod in the rotary mechanism, hydraulic push rod's piston rod fixedly connected with removes the hoist and mount frame, it is provided with two altogether to remove the hoist and mount frame, and two remove fixedly connected with hoist and mount slide rails between the hoist and mount frame, the lower extreme slidable mounting of hoist and mount slide rail has electric block.

As a preferred technical scheme, a balancing weight is fixedly installed on one side, far away from the movable hoisting frame, of the movable base, a hydraulic station is arranged at the upper end of the balancing weight, and the output end of the hydraulic station is communicated with a hydraulic push rod through a hydraulic hose.

As a preferred technical scheme of the utility model, a limiting frame is welded and fixed at the upper end of the balancing weight, the limiting frame is of a U-shaped frame structure, and one side of the upper end of the hydraulic push rod is abutted against the inner wall of the upper end of the limiting frame.

As a preferred technical scheme of the utility model, the bottom of the inner wall of the upper end of the limiting frame is fixedly connected with a polytetrafluoroethylene rubber pad.

As a preferred technical scheme of the utility model, the lower end of the movable hoisting frame is provided with a hoisting frame moving wheel which is abutted against the ground.

As a preferred technical scheme of the utility model, the cab comprises four upright columns, a top seat and a swivel base, wherein the four upright columns are fixedly connected to the top corners of the lower end of the top seat respectively, and the swivel base is rotatably arranged in the center of the upper end of the top seat.

According to the preferred technical scheme, the tail end of a hoisting steel wire rope of the electric hoist is fixedly connected with a clamp connecting seat, and a pin hole is formed in the side wall of the clamp connecting seat.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. this scheme is through setting up hoist and mount slide rail and electric block, the hoist and mount operation is accomplished through the cooperation work of hoist and mount slide rail and electric block, remove the base and remove hoist and mount frame through setting up, it removes hoist and mount frame removal to drive through removing the base, and remove hoist and mount frame lateral shifting through setting up hydraulic push rod drive, thereby control to remove hoist and mount frame and drive hoist and mount slide rail and electric block and remove directly over the steam turbine, thereby be convenient for hoist and mount slide rail and electric block's removal and erect the operation, can satisfy the hoist and mount demand when the steam turbine of different positions overhauls through removing hoist and mount slide rail and electric block, additionally install the demand of lifting device when having saved the steam turbine setting greatly, the maintenance cost of steam turbine has been saved.

2. This scheme is through the rotary mechanism who sets up for remove hoist and mount frame and can rotate round the driver's cabin upper end, thereby be convenient for adjust the angle of removing hoist and mount frame, the setting of the slide rail of being convenient for hoist and mount and electric block, through the balanced hydraulic push rod both ends weight of balancing weight that sets up, avoid hoist and mount slide rail and electric block during operation to lead to the driver's cabin to topple, guarantee hoisting equipment's normal operation.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

fig. 4 is a perspective view of the clamp-connecting seat of the present invention.

Wherein: 1. moving the base; 2. a cab; 3. a rotation mechanism; 4. a hydraulic push rod; 5. moving the hoisting frame; 6. hoisting the slide rail; 7. an electric hoist; 8. a clamp connection seat; 9. a hanger moving wheel; 10. a balancing weight; 11. a hydraulic station; 12. a limiting frame; 13. a column; 14. a top seat; 15. rotating; 16. a hydraulic hose; 17. a pin hole.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, a movable hoisting device for steam turbine maintenance comprises a movable base 1, a cab 2 is arranged at the center of the upper end of the movable base 1, a rotating mechanism 3 is rotatably mounted at the upper end of the cab 2, a hydraulic push rod 4 is fixedly mounted in the rotating mechanism 3, a piston rod of the hydraulic push rod 4 is fixedly connected with a movable hoisting frame 5, the number of the movable hoisting frames 5 is two, a hoisting slide rail 6 is fixedly connected between the two movable hoisting frames 5, and an electric hoist 7 is slidably mounted at the lower end of the hoisting slide rail 6.

When the device uses, it removes to drive through removing base 1 and removes hoist and mount frame 5 and remove, and through setting up 5 lateral shifting of hydraulic pressure push rod 4 drive removal hoist and mount frame, thereby control removal hoist and mount frame 5 drives hoist and mount slide rail 6 and electric block 7 and removes directly over the steam turbine, thereby be convenient for hoist and mount slide rail 6 and electric block 7's removal and erect the operation, the hoist and mount operation is accomplished through the cooperation work of hoist and mount slide rail 6 and electric block 7, hoist and mount demand when can satisfying the steam turbine of different positions and overhaul, additionally install the demand of lifting device when having saved the steam turbine setting greatly, the cost of overhaul of steam turbine has been saved.

In other embodiments, a counterweight 10 is fixedly mounted on one side of the mobile base 1, which is far away from the mobile hoisting frame 5, a hydraulic station 11 is arranged at the upper end of the counterweight 10, and the output end of the hydraulic station 11 is communicated with the hydraulic push rod 4 through a hydraulic hose 16; through the counter weight of the balanced removal base 1 upper end of balancing weight 10 that sets up, avoid removing base 1 and overturn, guarantee the normal operating of equipment, through the hydraulic pressure station 11 that sets up, hydraulic pressure station 11 is through

hydraulic hose

16 and 4 inner chambers of hydraulic push rod intercommunication to the operation of control hydraulic push rod 4.

In other embodiments, a limiting frame 12 is welded and fixed at the upper end of the counterweight 10, the limiting frame 12 is a U-shaped frame structure, and one side of the upper end of the hydraulic push rod 4 abuts against the inner wall of the upper end of the limiting frame 12; the damage of the rotating mechanism 3 caused by uneven stress at the two ends of the hydraulic push rod 4 is avoided through the arranged limiting frame 12, and the service life of the equipment is prolonged.

In other embodiments, a polytetrafluoroethylene rubber pad is fixedly connected to the bottom of the inner wall of the upper end of the limiting frame 12; the friction is reduced by the arrangement of the polytetrafluoroethylene rubber pad, and the normal movement of the hydraulic push rod 4 is ensured.

In other embodiments, the lower end of the movable hoisting frame 5 is provided with a hoisting frame moving wheel 9, and the hoisting frame moving wheel 9 is abutted against the ground; the normal movement of the movable hoisting frame 5 is ensured by the arrangement of the hanger moving wheels 9.

In other embodiments, the cab 2 comprises four upright columns 13, a top seat 14 and a swivel mount 15, wherein the four upright columns 13 are respectively fixedly connected at the top corners of the lower end of the top seat 14, and the swivel mount 15 is rotatably mounted at the center of the upper end of the top seat 14; support is provided through the stand 13, and the rotation of hydraulic push rod 4 is guaranteed through the cooperation of swivel mount 15 and footstock 14 to make removal hoist and mount frame 5 can the relative movement base 1 deflect, be convenient for remove the adjustment of hoist and mount frame 5 position.

In other embodiments, the tail end of the hoisting steel wire rope of the electric hoist 7 is fixedly connected with a clamp connecting seat 8, and the side wall of the clamp connecting seat 8 is provided with a pin hole 17; through setting up pinhole 17 for anchor clamps connecting seat 8 can be through the different stone tongs of bolt fixed mounting, thereby remove the hoist and mount to different accessories, has improved the suitability of equipment.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a movable lifting device for steam turbine overhauls, includes removal base (1), its characterized in that: remove base (1) upper end center and be provided with driver's cabin (2), the upper end of driver's cabin (2) is rotated and is installed rotary mechanism (3), rotary mechanism (3) internal fixation installs hydraulic rod (4), the piston rod fixedly connected with of hydraulic rod (4) removes hoist and mount frame (5), it is provided with two altogether to remove hoist and mount frame (5), and two remove fixedly connected with hoist and mount slide rail (6) between hoist and mount frame (5), the lower extreme slidable mounting of hoist and mount slide rail (6) has electric block (7).

2. The movable hoisting equipment for turbine overhaul according to claim 1, wherein the movable hoisting equipment comprises: one side of the moving base (1) far away from the moving hoisting frame (5) is fixedly provided with a balancing weight (10), the upper end of the balancing weight (10) is provided with a hydraulic station (11), and the output end of the hydraulic station (11) is communicated with a hydraulic push rod (4) through a hydraulic hose (16).

3. The movable hoisting equipment for turbine overhaul according to claim 2, wherein the movable hoisting equipment comprises: the upper end of the balancing weight (10) is fixedly welded with a limiting frame (12), the limiting frame (12) is of a U-shaped frame structure, and one side of the upper end of the hydraulic push rod (4) is abutted against the inner wall of the upper end of the limiting frame (12).

4. The movable hoisting equipment for turbine overhaul according to claim 3, wherein the movable hoisting equipment comprises: the bottom of the inner wall of the upper end of the limiting frame (12) is fixedly connected with a polytetrafluoroethylene rubber pad.

5. The movable hoisting equipment for turbine overhaul according to claim 1, wherein the movable hoisting equipment comprises: the lower end of the movable hoisting frame (5) is provided with a hoisting frame moving wheel (9), and the hoisting frame moving wheel (9) is abutted to the ground.

6. The movable hoisting equipment for turbine overhaul according to claim 1, wherein the movable hoisting equipment comprises: driver's cabin (2) include stand (13), footstock (14) and swivel mount (15), stand (13) are total four, and four stand (13) fixed connection respectively are in footstock (14) lower end apex angle department, swivel mount (15) are rotated and are installed at footstock (14) upper end center.

7. The movable hoisting equipment for turbine overhaul according to claim 1, wherein the movable hoisting equipment comprises: the tail end of a hoisting steel wire rope of the electric hoist (7) is fixedly connected with a clamp connecting seat (8), and a pin hole (17) is formed in the side wall of the clamp connecting seat (8).