CN218905326U - Auxiliary device for steam turbine repair in thermal power plant - Google Patents

Abstract

The utility model discloses an auxiliary device for steam turbine repair in a thermal power plant, which comprises a bottom frame, a plurality of moving wheels and a moving plate, the plurality of moving wheels are installed on the lower wall of the bottom frame, and a pair of Transmission structure, the moving plate is installed on the pair of transmission structures, and several protective structures are arranged on the moving plate; the utility model relates to the technical field of thermal power plants. A pair of driving motors in the transmission structure drives the screw to rotate and then drives the moving plate to move, and then repairs the turbine. Several protective structures are four protective structures, which are respectively arranged on the wall of the moving plate, and the staff work on the moving plate. When rotating the rotating shaft, the protective plate on the threaded cylinder can be driven to move, and the other three protective structures can be rotated respectively to protect the mobile plate in all directions to ensure the safety of work, and the protective plate in the single protective structure can also be separately Adjustable to different heights to suit the work process.

Description

Auxiliary device for steam turbine repair in thermal power plant

technical field

The utility model relates to the technical field of thermal power plants, in particular to an auxiliary device for steam turbine repair in thermal power plants.

Background technique

A thermal power plant, referred to as a thermal power plant, is a factory that uses combustibles (such as coal) as fuel to produce electrical energy. Its basic production process is: when the fuel is burned, the water is heated to generate steam, the chemical energy of the fuel is converted into thermal energy, the steam pressure drives the steam turbine to rotate, the thermal energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate, converting the mechanical energy into electrical energy, and Thermal power plants are equipped with thermal power plant steam turbines, which need to be overhauled during long-term use

Existing patent No. is CN213834444U a kind of auxiliary tool for steam turbine maintenance in a thermal power plant, which specifically discloses a base, the top of the base is fixedly connected with a support frame, the middle part of the support frame is provided with a slide rail 1, and the support frame Both sides of the surface are fixedly connected with sundry racks, the surface of the slide rail one is slidably connected with a pedal, the surface of the pedal is provided with a round hole, the two ends of the pedal are rollingly connected with a pulley, and one end of the pulley is fixedly connected with a A support block, the surface of the pedal is provided with a slide rail 2, the surface of the slide rail 2 is slidably connected to a tool box, the surface of the tool box is provided with a slide rail 3, and the bottom of the tool box is connected to a water tank and the following problems also exist in this patent document: the pedal is not provided with a protective structure when the equipment moves during the working process, and the maintenance personnel standing on the pedal have the risk of falling during the lifting and moving process of the pedal, and it is also very unsafe during maintenance. For this reason we design a kind of auxiliary device for steam turbine repair in thermal power plant.

Utility model content

In order to solve the above problems, the utility model is realized through the following technical solutions: an auxiliary device for steam turbine repair in a thermal power plant, including a chassis, a plurality of moving wheels and a moving plate, and the plurality of moving wheels are installed on the lower wall of the chassis, A pair of transmission structures is provided on the upper wall of the chassis, the moving plate is installed on the pair of transmission structures, and several protective structures are arranged on the moving plate, one of the pair of transmission structures includes: a support frame , a drive motor, a screw, a transmission block, a pair of slide rails, a number of slide blocks and a moving frame; the support frame is installed on the upper wall of the chassis, the drive motor is installed on the support frame and the drive The driving end of the motor runs through the side wall of the support frame, the screw rod is installed on the support frame and the screw rod is connected to the driving end of the driving motor, the transmission block is installed on the screw rod, and the The pair of slide rails are installed on the support frame, the plurality of sliders are respectively installed on the pair of slide rails, the moving frame is installed on the plurality of sliders, and the moving frame and the transmission block connections.

Preferably, one of the several protective structures includes: a protective frame, a threaded rod, a second bevel gear, a first bevel gear, a rotating shaft, a blocking rod, several telescopic rods, a threaded cylinder and a guard plate;

The protective frame is installed on the moving plate, the threaded rod is installed in the protective frame and one end of the threaded rod passes through the side wall of the protective frame, and the second bevel gear is installed on the threaded rod , the rotating shaft is installed on the protective frame and one end of the rotating shaft passes through the side wall of the protective frame, the first bevel gear is installed on the rotating shaft and the first bevel gear and the second The bevel gear meshes, the stop rod is installed on the shaft and one end of the stop rod passes through one side of the protective frame, the plurality of telescopic rods are installed on the protective frame, and the guard plates are installed on the several The telescopic end of the telescopic rod, the threaded barrel is installed on the guard plate and the threaded barrel is connected with the threaded rod.

Preferably, several telescopic fixing rods are provided on the bottom frame.

Preferably, a placement slot is provided on the moving plate.

Preferably, several through holes are provided on the side wall of the protective frame.

Preferably, the support frame is provided with a motor box.

Beneficial effect

The utility model provides an auxiliary device for steam turbine repair in a thermal power plant, which has the following beneficial effects: the case is provided with a pair of transmission structures, and the driving motors in the pair of transmission structures drive the screw to rotate and then drive the moving plate to move, and the moving plate Some workers on the upper station move with the moving plate, move to the designated position and stop, and then repair the turbine. Several protective structures are four protective structures, which are respectively installed on the wall of the moving plate. When the staff is on the moving plate, they can The guard plate on the threaded cylinder is driven to move by rotating the rotating shaft, and the other three protective structures can be rotated respectively to provide comprehensive protection for the mobile plate to ensure the safety of work, and the guard plate in a single protective structure can also be adjusted to different heights to suit the work process.

Description of drawings

Fig. 1 is a front structural schematic diagram of an auxiliary device for steam turbine repair in a thermal power plant according to the utility model.

Fig. 2 is a side view structural schematic diagram of an auxiliary device for steam turbine repair in a thermal power plant according to the utility model.

Fig. 3 is a schematic diagram of the internal side view structure of the protective frame of an auxiliary device for steam turbine repair in a thermal power plant according to the utility model.

Fig. 4 is a three-dimensional structural schematic diagram of a moving plate of an auxiliary device for steam turbine repair in a thermal power plant according to the utility model.

Among the figure: 1, underframe, 2, moving wheel, 3, support frame, 4, motor box, 5, drive motor, 6, screw mandrel, 7, transmission block, 8, slide rail, 9, slide block, 10, Mobile frame, 11, mobile plate, 12, protective frame, 13, threaded rod, 14, the second bevel gear, 15, the first bevel gear, 16, rotating shaft, 17, stop bar, 18, telescopic rod, 19, thread cylinder , 20, guard plate.

Detailed ways

Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to accompanying drawings 1-4, the utility model provides a kind of technical solution: a kind of auxiliary device for steam turbine repair in a thermal power plant, including a chassis 1, a plurality of moving wheels 2 and a moving plate 11, and the moving wheels 2 are installed on the The lower wall surface of the underframe 1, a pair of transmission structures are arranged on the upper wall surface of the underframe 1, the moving plate 11 is installed on the pair of transmission structures, and several protective structures are arranged on the moving plate 11. One of the pair of transmission structures includes: a support frame 3, a drive motor 5, a screw mandrel 6, a transmission block 7, a pair of slide rails 8, several slide blocks 9 and a moving frame 10; the support frame 3 is installed on the chassis 1 upper wall surface, the drive motor 5 is installed on the support frame 3 and the drive end of the drive motor 5 passes through the side wall surface of the support frame 3, the screw rod 6 is installed on the support frame 3 and the The screw mandrel 6 is connected to the driving end of the driving motor 5, the transmission block 7 is installed on the screw mandrel 6, the pair of slide rails 8 is installed on the support frame 3, and the plurality of slide blocks 9 They are respectively installed on the pair of slide rails 8 , the moving frame 10 is installed on the plurality of sliding blocks 9 and the moving frame 10 is connected with the transmission block 7 .

It should be noted that, when maintenance is required, the moving wheels 2 on the lower wall of the chassis 1 are driven to move, and stop after moving to a designated position. The staff enters the moving plate 11, starts the driving motor 5, and the driving motor 5 drives the wire The rod 6 rotates in the support frame 3, and the transmission block 7 moves under the action of the screw rod 6. The moving frame 10 follows the transmission block 7 and moves synchronously on the slide rail 8 through several sliders 9, thereby driving the moving plate 11 The staff on board will move, and finally repair the turbine.

In the specific implementation process, one of the several protective structures includes: a protective frame 12, a threaded rod 13, a second bevel gear 14, a first bevel gear 15, a rotating shaft 16, a blocking rod 17, several telescopic rods 18, and a threaded cylinder 19 and guard plate 20;

The protective frame 12 is installed on the moving plate 11, the threaded rod 13 is installed in the protective frame 12 and one end of the threaded rod 13 passes through the side wall of the protective frame 12, and the second bevel gear 14 is installed on the threaded rod 13, the rotating shaft 16 is installed on the protective frame 12 and one end of the rotating shaft 16 passes through the side wall of the protective frame 12, and the first bevel gear 15 is installed on the rotating shaft 16 and the first bevel gear 15 meshes with the second bevel gear 14, the stop rod 17 is installed on the rotating shaft 16 and one end of the stop rod 17 passes through the side of the protective frame 12, the Several telescopic rods 18 are installed on the protective frame 12, and the guard plate 20 is installed on the telescopic ends of the telescopic rods 18, and the threaded barrel 19 is installed on the guard plate 20, and the threaded barrel 19 is connected with the Said threaded rod 13 is connected;

It should be noted that when protection is required, the rotating shaft 16 is rotated, the first bevel gear 15 rotates under the action of the rotating shaft 16, the second bevel gear 14 follows the rotation under the action of the first bevel gear 15, and the threaded rod 13 follows The second bevel gear 14 rotates, and the threaded cylinder 19 drives the guard plate 20 to move under the action of the threaded rod 13 rotation. Several telescopic rods 18 move along with the guard plate 20, and stop at the designated position. The gear lever is telescopic. When the rotating shaft 16 rotates, it is in a compressed state and moves with the rotating shaft 16. When the rotating shaft 16 stops and needs to be limited, the gear bar is stretched and fixed.

In the specific implementation process, further, the chassis 1 is provided with several telescopic fixing rods.

It should be noted that a number of telescopic fixing rods can be stretched, and one end is in contact with the ground and fixed, which can fix the whole device and prevent the device from moving when it is working.

In a specific implementation process, further, the moving plate 11 is provided with a placement groove.

It should be noted that the placement slot can place repair tools.

In a specific implementation process, further, a number of through holes are provided on the side wall of the protective frame 12 .

It should be noted that a number of through holes are provided on one side of the rotating shaft 16 to match the size of the blocking rod 17, so that the blocking rod 17 can be inserted into the through holes for positioning.

In a specific implementation process, further, the support frame 3 is provided with a motor box 4 .

It should be noted that the motor box 4 can protect the motor.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. An auxiliary device for steam turbine repair in a thermal power plant, comprising an underframe, some moving wheels and a moving plate, said some moving wheels are installed on the lower wall surface of the underframe, and a pair of transmission structures are provided on the upper wall surface of the underframe, The moving plate is installed on the pair of transmission structures, and several protective structures are arranged on the moving plate. One of the pair of transmission structures includes: a support frame, a driving motor, a screw rod, a transmission block, and a pair of slides. rails, several sliders and a moving frame; it is characterized in that the support frame is installed on the upper wall of the base frame, the drive motor is mounted on the support frame and the driving end of the drive motor passes through one of the support frames On the side wall surface, the screw rod is installed on the support frame and the screw rod is connected to the driving end of the driving motor, the transmission block is installed on the screw rod, and the pair of slide rails are installed on the On the supporting frame, the plurality of sliding blocks are respectively installed on the pair of slide rails, the moving frame is installed on the plurality of sliding blocks and the moving frame is connected with the transmission block. 2. A kind of auxiliary device for steam turbine repair in a thermal power plant according to claim 1, wherein one of the several protective structures includes: a protective frame, a threaded rod, a second bevel gear, a first bevel gear, a rotating shaft, Baffle rods, several telescopic rods, threaded barrels and guard plates; The protective frame is installed on the moving plate, the threaded rod is installed in the protective frame and one end of the threaded rod passes through the side wall of the protective frame, and the second bevel gear is installed on the threaded rod , the rotating shaft is installed on the protective frame and one end of the rotating shaft passes through the side wall of the protective frame, the first bevel gear is installed on the rotating shaft and the first bevel gear and the second The bevel gear meshes, the stop rod is installed on the shaft and one end of the stop rod passes through one side of the protective frame, the plurality of telescopic rods are installed on the protective frame, and the guard plates are installed on the several The telescopic end of the telescopic rod, the threaded barrel is installed on the guard plate and the threaded barrel is connected with the threaded rod. 3. The auxiliary device for steam turbine repair in a thermal power plant according to claim 1, wherein a plurality of telescopic fixing rods are provided on the bottom frame. 4 . The auxiliary device for steam turbine repair in a thermal power plant according to claim 1 , wherein a placement slot is provided on the moving plate. 5 . The auxiliary device for steam turbine repair in a thermal power plant according to claim 2 , wherein a plurality of through holes are provided on the side wall of the protective frame. 6 . 6 . The auxiliary device for steam turbine repair in a thermal power plant according to claim 1 , wherein an electric box is provided on the support frame. 7 .

Images