CN220179181U

CN220179181U - Screw driver for overhauling and assembling steam turbine of thermal power plant

Info

Publication number: CN220179181U
Application number: CN202321355604.9U
Authority: CN
Inventors: 郝敬林
Original assignee: Huaneng Weihai Power Generation Co Ltd
Current assignee: Huaneng Weihai Power Generation Co Ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-12-15
Anticipated expiration: 2033-05-29

Abstract

The utility model relates to the technical field of tools for thermal power plants, and discloses a screwdriver for overhauling and assembling a steam turbine of a thermal power plant, which comprises a cutter bar, a cutter handle and a fixing rod, wherein the fixing rod is arranged on the cutter bar, the cutter handle is movably arranged in the fixing rod, a storage structure is arranged in the cutter bar, and an adjusting structure is arranged on the fixing rod: through storing the structure in this case, the pen is blocked on the movable plate through the draw-in groove, and the pen is preserved in the cutter arbor, and the pulling movable plate when needs use the pen sign, draw-in groove follow movable plate drive pen and draw out from the cutter arbor in, through adjusting the structure, the handle of a knife can be in the dead lever internal sliding, and the slider on the handle of a knife follows the handle of a knife and removes in the spout, rotates the threaded rod, and the threaded rod rotates on the fixed plate and removes, threaded rod one end and a plurality of screw hole threaded connection, and then can be spacing fixed with the handle of a knife.

Description

Screw driver for overhauling and assembling steam turbine of thermal power plant

Technical Field

The utility model relates to the technical field of tools for thermal power plants, in particular to a screwdriver for overhauling and assembling a steam turbine of a thermal power plant.

Background

The steam turbine is also called 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 onto blades, so that a rotor provided with a blade row rotates and simultaneously performs external work. The steam turbine is the main equipment of modern thermal power factory, the steam turbine of thermal power plant need overhaul when meetting the trouble, all need often use screwdriver dismouting screw when thermal power plant steam turbine equipment overhauls or assembles, usually place the screwdriver head in the concave part of screw, screw up or unscrew the screw through rotating the handle, however, the handle length of a knife handle of current screwdriver is mostly fixed, when needs use the narrow and small space of equipment, the handle of a knife distance of screwdriver is inconvenient to adjust, use has certain limitation, and when carrying out equipment assembly or maintenance work on site, need record parameter, equipment model and sign, need take a pen with oneself. However, in the working process, the mobility of personnel is large, the movable range is also large, pens are extremely easy to lose or forget to take, and inconvenient searching is caused when the screwdriver is used, so that the screwdriver for overhauling and assembling the steam turbine of the thermal power plant is designed.

Disclosure of Invention

In order to solve the problems, the utility model is realized by the following technical scheme: the utility model provides a thermal power plant's turbine overhauls screwdriver for assembly, includes cutter arbor, handle of a knife and dead lever, the dead lever is installed on the cutter arbor, the handle of a knife activity is established in the dead lever, be equipped with on the cutter arbor and store the structure, be equipped with regulation structure on the dead lever, regulation structure with handle of a knife swing joint, store the structure and include: a pair of fixing frames, a pair of springs, a placing groove, a moving plate and a clamping groove; the pair of fixing frames are arranged on the inner side wall surface of the cutter bar, the pair of springs are respectively installed in the pair of fixing frames, the placing groove is formed in the cutter bar, the moving plate is arranged at one end of the pair of springs and is abutted to the placing groove, and the clamping groove is installed on the moving plate.

Preferably, the adjusting structure includes: the device comprises a sliding block, a sliding chute, a plurality of threaded holes, a fixed plate and a threaded rod;

the sliding groove is formed in the inner side wall surface of the fixing rod, the sliding block is arranged on the cutter handle and is in sliding connection with the sliding groove, the threaded holes are formed in the cutter handle, the fixing plate is arranged on the cutter rod, and the threaded rod is movably arranged on the fixing plate and is movably connected with the threaded rod.

Preferably, an anti-skid sleeve is arranged on the cutter bar.

Preferably, a pull ring is arranged on the moving plate.

Preferably, the threaded rod is adapted in size to the plurality of threaded holes.

Preferably, one end of the threaded rod is provided with a knob.

Advantageous effects

The utility model provides a screwdriver for overhauling and assembling a steam turbine of a thermal power plant, which has the following beneficial effects: through storing the structure in this case, the pen is blocked on the movable plate through the draw-in groove, and the pen is preserved in the cutter arbor, and the pulling movable plate when needs use the pen sign, draw-in groove follow movable plate drive pen and draw out from the cutter arbor in, through adjusting the structure, the handle of a knife can be in the dead lever internal sliding, and the slider on the handle of a knife follows the handle of a knife and removes in the spout, rotates the threaded rod, and the threaded rod rotates on the fixed plate and removes, threaded rod one end and a plurality of screw hole threaded connection, and then can be spacing fixed with the handle of a knife.

Drawings

Fig. 1 is a schematic three-dimensional structure of a screwdriver for overhauling and assembling a steam turbine in a thermal power plant.

Fig. 2 is a schematic view of another view angle three-dimensional structure of a screwdriver for overhauling and assembling a steam turbine in a thermal power plant.

Fig. 3 is a schematic diagram of a front view structure of a screwdriver for overhauling and assembling a steam turbine in a thermal power plant.

Fig. 4 is a schematic diagram of a front cross-sectional structure of a screwdriver for overhauling and assembling a steam turbine in a thermal power plant.

Fig. 5 is a schematic diagram of a three-dimensional structure of a screwdriver rod for overhauling and assembling a steam turbine in a thermal power plant.

In the figure: 1. the tool comprises a tool bar, 2, a fixed bar, 3, a fixed frame, 4, a spring, 5, a placing groove, 6, a moving plate, 7, a clamping groove, 8, a tool handle, 9, a sliding block, 10, a sliding groove, 11, a threaded hole, 12, a fixed plate, 13, a threaded rod, 14, an anti-skid sleeve, 15 and a pull ring.

Detailed Description

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a thermal power plant's turbine overhauls screwdriver for assembly, includes cutter arbor 1, handle of a knife 8 and dead lever 2, dead lever 2 is installed on the cutter arbor 1, 8 activities of handle of a knife are established in the dead lever 2, be equipped with the storage structure on the cutter arbor 1, be equipped with the regulation structure on the dead lever 2, the regulation structure with 8 swing joint of handle of a knife, the storage structure includes: a pair of fixing frames 3, a pair of springs 4, a placing groove 5, a moving plate 6 and a clamping groove 7; the pair of fixing frames 3 are arranged on the inner side wall surfaces of the cutter bar 1, the pair of springs 4 are respectively installed in the pair of fixing frames 3, the placing groove 5 is arranged on the cutter bar 1, the moving plate 6 is arranged at one end of the pair of springs 4 and is abutted to the placing groove 5, and the clamping groove 7 is installed on the moving plate 6.

When the pen is not used, the movable plate 6 is abutted against the side wall surface of the holding groove 5 on the cutter bar 1 under the action of the pair of springs 4, the pen is stored in the cutter bar 1, when the pen is needed to be signed during assembly or maintenance of a steam turbine of a thermal power plant, the movable plate 6 is pulled away from the holding groove 5, the clamping groove 7 follows the movable plate 6 to drive the pen to be pulled out of the cutter bar 1, the pair of springs 4 are stretched, the movable plate 6 is stopped when the pen is completely pulled out of the cutter bar 1, the pen is taken down from the clamping groove 7, the pen is clamped on the clamping groove 7 again after being used, the movable plate 6 is loosened, at the moment, the pair of springs 4 reset, the pair of springs 4 drive the movable plate 6 to move, so that the side wall surface of the movable plate 6 is abutted against the holding groove 5, and then the movable plate 6 is fixed on the cutter bar 1, and the pen can be stored in the guide bar again.

In a specific implementation, the adjusting structure includes: the sliding block 9, the sliding chute 10, a plurality of threaded holes 11, a fixed plate 12 and a threaded rod 13;

the sliding chute 10 is arranged on the inner side wall surface of the fixed rod 2, the sliding block 9 is arranged on the cutter handle 8, the sliding block 9 is in sliding connection with the sliding chute 10, the threaded holes 11 are arranged on the cutter handle 8, the fixed plate 12 is arranged on the cutter rod 1, the threaded rod 13 is movably arranged on the fixed plate 12, and the threaded rod 13 is movably connected with the threaded holes 11;

it should be noted that, when needs adjust handle of a knife 8 length, make threaded rod 13 keep away from a plurality of screw holes 11, remove handle of a knife 8, handle of a knife 8 can slide in dead lever 2, slider 9 on handle of a knife 8 follows handle of a knife 8 and removes in spout 10, slider 9 can make handle of a knife 8 remove more stably, handle of a knife 8 removes suitable position and stops, rotate threaded rod 13, threaded rod 13 rotates on fixed plate 12 and removes, threaded rod 13 one end and a plurality of screw holes 11 threaded connection, and then can be spacing fixed with handle of a knife 8, be convenient for to thermal power plant steam turbine dismouting screw after adjusting suitable length.

In a specific implementation process, further, the cutter bar 1 is provided with an anti-slip sleeve 14.

The anti-slip cover 14 reduces the possibility of slipping out of the hand when the cutter bar 1 is rotated.

In a specific implementation process, further, a pull ring 15 is provided on the moving plate 6.

The pull ring 15 is convenient for pulling the moving plate 6 to move.

In a specific implementation, further, the threaded rod 13 is matched with the sizes of the threaded holes 11.

It should be noted that the threaded holes 11 with the matched sizes are convenient for fixing the tool handle 8 by the threaded rod 13.

In a specific implementation process, one end of the threaded rod 13 is provided with a knob.

The knob facilitates the rotation of the threaded rod 13.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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

1. The utility model provides a screwdriver is used in assembly of thermal power plant's steam turbine overhauls, its characterized in that, includes cutter arbor, handle of a knife and dead lever, the dead lever is installed on the cutter arbor, the handle of a knife activity is established in the dead lever, be equipped with the storage structure in the cutter arbor, be equipped with the regulation structure on the dead lever, the regulation structure with handle of a knife swing joint, the storage structure includes: a pair of fixing frames, a pair of springs, a placing groove, a moving plate and a clamping groove; the pair of fixing frames are arranged on the inner side wall surface of the cutter bar, the pair of springs are respectively installed in the pair of fixing frames, the placing groove is formed in the cutter bar, the moving plate is arranged at one end of the pair of springs and is abutted to the placing groove, and the clamping groove is installed on the moving plate.

2. The screwdriver for overhauling and assembling a steam turbine of a thermal power plant according to claim 1, wherein the adjusting structure comprises: the device comprises a sliding block, a sliding chute, a plurality of threaded holes, a fixed plate and a threaded rod;

3. The screwdriver for overhauling and assembling a steam turbine of a thermal power plant according to claim 1, wherein the screwdriver rod is provided with an anti-skid sleeve.

4. The screwdriver for overhauling and assembling a steam turbine of a thermal power plant according to claim 1, wherein the movable plate is provided with a pull ring.

5. The screwdriver for overhauling and assembling a steam turbine of a thermal power plant according to claim 2, wherein the threaded rod is matched with the threaded holes in size.

6. The screwdriver for overhauling and assembling a steam turbine of a thermal power plant according to claim 2, wherein one end of the threaded rod is provided with a knob.