CN113285561A - Double-water internal cooling steam turbine generator with air gap wind-blocking ring and use method thereof - Google Patents

Abstract

The invention discloses a double-water internal cooling steam turbine generator with an air gap wind-blocking ring and a use method thereof. According to the invention, the threaded rod is rotated to drive the stop block to slide in the movable groove, so that the air gap wind shield ring can be adjusted, and the air gap between the stator core and the rotor can be blocked through the air gap wind shield ring, so that cold air in the air gap between the stator core and the rotor can better take away heat, thereby improving the cooling effect of the device and improving the production efficiency of the device.

Description

Double-water internal cooling steam turbine generator with air gap wind-blocking ring and use method thereof

Technical Field

The invention relates to the technical field of cold turbine generators, in particular to a double-water internal cooling turbine generator with an air gap wind shield ring and a using method thereof.

Background

The turbine generator is a generating device which uses a turbine as a prime mover to drive a rotor to rotate, mechanical energy is converted into electric energy by utilizing the electromagnetic induction principle, a rotor magnetic field is established after direct current is introduced into a generator rotor winding, and the magnetic field is called a main magnetic field and rotates along with the turbine generator rotor. The magnetic flux comes out from one magnetic pole of the rotor, passes through the air gap, the stator iron core and the air gap and then enters the other adjacent magnetic pole of the rotor to form a main magnetic flux loop.

The existing turbonator has the defects that:

1. reference CN28051841Y discloses two water internal cooling turbonators with air gap wind-guard ring, "the utility model relates to a two water internal cooling turbonators with air gap wind-guard ring, including stator coil, rotor retaining ring, rotor, stator core, stator ventiduct, stator coil inlays at stator core's inslot, and outside the rotor was located to the rotor retaining ring, and formed air gap and axial ventilation passageway between the stator coil, be equipped with one at least stator ventiduct in the stator core, its characterized in that, respectively is equipped with air gap wind-guard ring at the stator vapour end of generator stator core and excitation tip. The utility model has the advantages that adopt air gap ring that keeps out the wind, can solve the local temperature rise of stator core tip and the inhomogeneous problem of temperature, improve the performance of generator greatly. However, the air gap wind-blocking ring cannot be adjusted, and cannot be adjusted according to the size of the air gap between the stator and the rotor, so that the use is inconvenient;

2. the reference CN110733617A discloses a ventilation structure for a steam turbine generator base, where the steam turbine generator is driven by a steam turbine, superheated steam generated by a boiler enters the steam turbine to expand and work, so as to rotate blades and drive the generator to generate electricity, waste steam after work is returned to the boiler through a condenser, a circulating water pump, a condensate pump, a feed water heating device, etc. for recycling, the steam turbine generator base is usually provided with a ventilation structure, and is connected with an external cooler to realize air cooling and heat dissipation for the steam turbine generator, most of the existing ventilation structures for the steam turbine generator base are simple in structure, and only a plurality of ventilation holes are provided for ventilation, and a plurality of ventilation holes cannot be connected in series, so that the cooler cannot ventilate a plurality of ventilation holes simultaneously, the ventilation effect is poor, and meanwhile, the ventilation structure for the existing steam turbine generator base lacks a corresponding heat dissipation structure, make ventilation structure's radiating effect limited, the radiating efficiency is low, consequently, this practicality provides a ventilation structure of turbine generator frame is used for solving above-mentioned problem. But the ventilation of the base can not automatically absorb heat of the turbonator, the heat dissipation effect is poor, and the heat can not be rapidly discharged;

3. the utility model discloses a silicon controlled excitation air-cooled turbogenerator, which comprises a stator, a rotor, a brush support and a collecting ring, wherein two ends of the stator are provided with end covers, the collecting ring and the brush support are arranged at the tail part of the excitation end of the rotor, the collecting ring and the brush support are externally provided with a protective cover, the lower part of the brush support is provided with an air inlet duct and an air outlet duct, and the protective cover is connected with the ducts; the noise is reduced, the electric brush powder is isolated in the protective cover and is discharged out of a workshop through the air duct, and the cleanness of the operating environment is guaranteed. "but the brush device can appear wearing and tearing under long-time use, and the device staff of not being convenient for dismantles brush protection box machine, and it is great to lead to the staff to load work when changing the brush dress, and the staff of not being convenient for changes the brush device, reduces staff's work efficiency.

Disclosure of Invention

The invention aims to provide a double-water internal cooling steam turbine generator with an air gap wind shield ring and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a two water internal cooling turbo generator with air gap ring of keeping out the wind and application method thereof, includes base, generator housing and brush box, the top fixedly connected with generator housing of base, the one end fixedly connected with brush box of generator housing, sealed lid is installed to the inside gomphosis of brush box, the inside fixedly connected with stator core of generator housing, the inside pivot of generator housing, the outer wall fixedly connected with rotor of pivot, and the rotor is located stator core's inside, stator core's one end is passed through the bolt fastening and is had air gap ring of keeping out the wind.

Preferably, the inside of base is equipped with the ventilation groove, and vent an has been seted up at the top in ventilation groove, and the roof in ventilation groove passes through bolt fixedly connected with exhaust fan an, the inside of base is equipped with the exhaust groove, and the groove of just airing exhaust is located the below in ventilation groove, and the groove of just airing exhaust link up with the ventilation groove, and exhaust groove's one side inner wall passes through bolt fixedly connected with exhaust fan b, and exhaust groove b has been seted up to the both sides of base, and the roof of base passes through bolt fixedly connected with brace table, and brace table is located one side of vent an.

Preferably, the top wall fixedly connected with hydrogen cooler of generator shell, the bottom of generator shell are equipped with vent b, vent b's inside fixedly connected with filter screen, the outer wall fixedly connected with line concentration box an of generator shell, the both ends fixedly connected with bearing groove of generator shell, the outside fixedly connected with bearing closing cap in bearing groove, the inside both ends fixedly connected with wind scooper of generator shell, and the wind scooper is located stator core's both sides.

Preferably, the surface of rotor is equipped with the rotor groove, and the rotor groove wedge is installed to the inside gomphosis in rotor groove, and the both ends fixedly connected with retaining ring of rotor, the both ends fixedly connected with fan of pivot, the both ends fixedly connected with bearing of pivot, and the bearing is located one side of fan, the one end fixedly connected with collecting ring of pivot, and collecting ring is located one side of bearing, the other end fixedly connected with gas end shaft coupling of pivot, and the gas end shaft coupling is located the outside of generator shell.

Preferably, the outer wall of the electric brush box is provided with a limiting groove, the inner wall of the electric brush box is provided with a plurality of sliding grooves, and the limiting groove is located inside the sliding grooves.

Preferably, the two ends of the stator core are fixedly connected with clamping rings through bolts, the inner wall of the stator core is provided with a stator slot, a stator slot wedge is installed on the inner wall of the stator slot in an embedded mode, a stator winding is installed inside the stator slot in an embedded mode, and the stator winding is located below the stator slot wedge.

Preferably, the movable groove has been seted up to the inside of air gap wind-break ring, and the inside movable mounting of movable groove has the dog, and the dog runs through the inside of installing at the movable groove, and the outer wall of air gap wind-break ring runs through installs the threaded rod, and the axis of rotation is installed to the bottom of threaded rod, and the threaded rod is located one side outer wall fixed connection of one end of movable inslot portion through axis of rotation and dog.

Preferably, the sealing strip is installed in the outside of sealed lid, a plurality of sliding blocks of one side fixedly connected with of sealed lid, and the big or small looks adaptation of sliding block and spout, a plurality of dead levers of one side fixedly connected with of sealed lid, and the dead lever is located one side of sliding block.

Preferably, the device has the following publishing steps:

s1, according to any one of claims 1 to 8, when the device is installed, a stator winding is embedded inside a stator slot of a stator core, then a stator slot wedge is installed inside the stator slot, so that the stator winding is fixed, when the device is operated, the stator winding falls out of the inside of the stator slot, so that operation faults are caused, and then pressing rings are installed at two ends of the stator core, so that the stability of the stator winding is ensured;

s2, according to any one of claims 1 to 8, after the stator winding is installed, the generator shell is installed above the base, the stator core is installed inside the generator shell, two ends of the stator winding are located inside the air guide cover, the rotor is installed inside the stator core in a penetrating mode through the rotating shaft, bearings at two ends of the rotating shaft are installed inside bearing grooves at two ends of the base in an embedded mode, and then bearing sealing covers are installed on the outer sides of the bearing grooves;

s3, according to any one of claims 1 to 8, after the rotor is installed inside the stator core, the air gap wind blocking ring is fixedly installed on the outer wall of one side of the pressing ring through a bolt, the threaded rod is rotated to drive the stop dog to slide inside the movable groove, so that the air gap wind blocking ring can be adjusted, the air gap between the stator core and the rotor can be blocked through the air gap wind blocking ring, and therefore, the air gap between the stator core and the rotor of cold air can better take away heat, the cooling effect of the device is improved, and the production efficiency of the device is improved;

s4, according to any one of claims 1 to 8, in the using device, the vent b is arranged at the bottom of the generator shell, so that heat inside the generator shell can be discharged through the vent b, the vent b is positioned above the vent a, the vent a can blow the heat inside the generator shell into the exhaust groove through the vent a by turning on the exhaust fan a, and then the heat in the exhaust groove is blown to the outside by turning on the exhaust fan b, so that the heat dissipation effect of the device is further improved;

s5, according to any one of claims 1 to 8, when the device is maintained, the sealing cover can be drawn out from the inside of the electric brush box, then the electric brush fixed above the fixing rod is disassembled, so that the electric brush is maintained and replaced, the sliding block slides in the sliding groove in the electric brush box, so that a worker can take out the sealing cover from the inside of the electric brush box, the worker can maintain and replace the electric brush, and the working efficiency of the worker is improved.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the movable groove is formed in the air gap wind-shielding ring, the stop block is movably arranged in the movable groove, the threaded rod penetrates through the outer wall of the air gap wind-shielding ring, the rotating shaft is arranged at the bottom of the threaded rod, one end of the threaded rod, which is positioned in the movable groove, is fixedly connected with the outer wall of one side of the stop block through the rotating shaft, and the threaded rod drives the stop block to slide in the movable groove by rotating the threaded rod, so that the air gap wind-shielding ring can be adjusted, the air gap between the stator core and the rotor can be blocked through the air gap wind-shielding ring, and the air gap between the stator core and the rotor can better take away heat by cold air, thereby improving the cooling effect of the device.

2. According to the invention, the vent hole b is arranged at the bottom of the generator shell, so that heat in the generator shell can be discharged through the vent hole b, the vent hole b is positioned above the vent hole a, the vent fan a can blow the heat in the generator shell into the exhaust groove through the vent hole a by opening the exhaust fan a, and then the heat in the exhaust groove is blown to the outside by opening the exhaust fan b, so that the heat dissipation effect of the device is further improved.

3. According to the invention, the sealing cover is embedded in the electric brush box, the sealing cover is extracted from the electric brush box, and then the electric brush fixed above the fixing rod is disassembled, so that the electric brush is maintained and replaced, and the sliding block slides in the sliding groove in the electric brush box, so that a worker can conveniently take out the sealing cover from the inside of the electric brush box, the worker can conveniently maintain and replace the electric brush, and the working efficiency of the worker is improved.

Drawings

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

FIG. 2 is a schematic view of a base of the present invention;

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

FIG. 4 is an overall internal exploded schematic view of the present invention;

FIG. 5 is a schematic cross-sectional view of an air gap windshield ring of the present invention;

FIG. 6 is a schematic view of a spindle according to the present invention;

FIG. 7 is a schematic view of a stator core of the present invention;

FIG. 8 is a schematic view of a generator housing of the present invention;

FIG. 9 is a schematic view of a brush box and sealing cap of the present invention;

FIG. 10 is a schematic view of the bottom of a generator housing of the present invention.

In the figure: 1. a base; 101. a ventilation slot; 102. an exhaust fan a; 103. an exhaust duct; 104. an exhaust fan b; 105. a wind discharging groove b; 106. a vent hole a; 107. a support table; 2. a generator housing; 201. a hydrogen gas cooler; 202. a vent hole b; 203. filtering with a screen; 204. a wire collecting box; 205. a bearing groove; 206. a bearing cover; 207. a wind scooper; 3. a rotating shaft; 301. a rotor; 302. a rotor slot; 303. a rotor slot wedge; 304. protecting the ring; 305. a fan; 306. a bearing; 307. a collector ring; 308. a gas end coupling; 4. An electric brush box; 401. a chute; 402. a limiting groove; 5. a stator core; 501. pressing a ring; 502. a stator slot; 503. a stator slot wedge; 504. a stator winding; 6. an air gap wind-break ring; 601. a movable groove; 602. a stopper; 603. a threaded rod; 7. a sealing cover; 701. a sealing strip; 702. a slider; 703. and (5) fixing the rod.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-10, an embodiment of the present invention is shown: a double-water internal cooling turbogenerator with an air gap wind-blocking ring and a using method thereof comprise a base 1, a generator shell 2 and an electric brush box 4, wherein the top of the base 1 is fixedly connected with the generator shell 2, the generator shell 2 can shield a stator iron core 5 and a rotor 301, the stator iron core 5 and the rotor 301 are not influenced by the outside during the operation, the stator iron core 5 and the rotor 301 can be ensured to normally operate, one end of the generator shell 2 is fixedly connected with the electric brush box 4, an electric brush installing device is arranged inside the electric brush box 4, the electric brush box 4 can fix the electric brush device and ensure the normal operation of the electric brush device, a sealing cover 7 is embedded inside the electric brush box 4, the sealing cover 7 is extracted from the inside of the electric brush box 4, then the electric brush fixed above a fixing rod 703 is detached, the electric brush device is maintained and replaced, and slides in a sliding chute 401 inside the electric brush box 4 through a sliding block 702, thereby be convenient for the staff with sealed lid 7 take out from the inside of brush box 4, the staff of being convenient for maintains the change to the brush ware to staff's work efficiency has been improved, the inside fixedly connected with stator core 5 of generator shell 2, the inside pivot 3 of generator shell 2 can drive rotor 301 through pivot 3 and rotate, guarantees that rotor 301 can normal operating, the outer wall fixedly connected with rotor 301 of pivot 3, and rotor 301 is located stator core 5's inside, the bolt fastening is passed through to stator core 5's one end has air gap ring 6, can block the air gap between stator core 5 and the rotor 301 through air gap ring 6, thereby makes air conditioning can be better take away the heat at the air gap between stator core 5 and the rotor 301, thereby improves the cooling effect of device, improves the production efficiency of device.

Further, a ventilation groove 101 is formed in the base 1, an exhaust fan a102 can be installed in the ventilation groove 101, the stability of the exhaust fan a102 is guaranteed, the exhaust fan a102 can stably operate, a vent a106 is formed in the top of the ventilation groove 101, the top wall of the ventilation groove 101 is fixedly connected with the exhaust fan a102 through bolts, an exhaust groove 103 is formed in the base 1, the exhaust groove 103 is located below the ventilation groove 101, the exhaust groove 103 is communicated with the ventilation groove 101, an exhaust fan b104 is fixedly connected to the inner wall of one side of the exhaust groove 103 through bolts, exhaust grooves b105 are formed in two sides of the base 1, a support table 107 is fixedly connected to the top wall of the base 1 through bolts, the support table 107 can support the brush box 4, the stability of the brush box 4 is guaranteed, the support table 107 is located on one side of the vent a106, and heat in the generator housing 2 can be exhausted through the vent b202 arranged at the bottom of the generator housing 2, and vent b202 is located the top of vent a106, and through opening exhaust fan a102, exhaust fan a102 can blow the heat in generator shell 2 through vent a106 into the inside of exhaust duct 103, and then through opening exhaust fan b104 blows the heat in exhaust duct 103 to the outside, thereby further improving the heat dissipation effect of the device.

Further, a hydrogen cooler 201 is fixedly connected to the top wall of the generator housing 2, the generator housing 2 can be cooled by the hydrogen cooler 201, and the normal operation of the devices inside the generator housing 2 can be ensured, a vent b202 is arranged at the bottom of the generator housing 2, a filter screen 203 is fixedly connected to the inside of the vent b202, dust can be prevented from entering the inside of the generator housing 2 through the filter screen 203, a concentrator a204 is fixedly connected to the outer wall of the generator housing 2, the electric wires can be fixed inside the concentrator a204, so that workers can conveniently install the electric wires, bearing slots 205 are fixedly connected to both ends of the generator housing 2, the bearings 306 can be limited by the inside of the bearing slots 205, the stability of the bearings 306 is ensured, a bearing cover 206 is fixedly connected to the outer side of the bearing slots 205, one end of the bearing slots 205 can be covered by the bearing cover 206, so that dust cannot enter the inside of the generator housing 2 from the bearing slots 205, wind scoopers 207 are fixedly connected to both ends of the inside of the generator case 2, the wind scoopers 207 guide the inside cool air entering the generator case 2, so that the cool air cooling efficiency is increased, and the wind scoopers 207 are located on both sides of the stator core 5.

Further, a rotor slot 302 is arranged on the surface of the rotor 301, a rotor slot wedge 303 is installed inside the rotor slot 302 in an embedded manner, a rotor coil is installed inside the rotor slot 302 in an embedded manner, the rotor coil is fixed through the rotor slot wedge 303, the stability of the rotor coil is ensured, two ends of the rotor 301 are fixedly connected with a retaining ring 304, the retaining ring 304 can fasten the rotor 301, so that the end portion of the rotor coil does not generate radial displacement and deformation, two ends of the rotating shaft 3 are fixedly connected with a fan 305, the fan 305 is used for accelerating the circulation of gas between the stator core and the rotor portion, the cooling effect is improved, two ends of the rotating shaft 3 are fixedly connected with a bearing 306, the bearing 306 can support the rotating shaft 3, the rotating shaft 3 can normally rotate through the bearing 306, the bearing 306 is located on one side of the fan 305, and one end of the rotating shaft 3 is fixedly connected with a collecting ring 307, and collecting ring 307 is located one side of bearing 306, the other end fixedly connected with gas end shaft coupling 308 of pivot 3, pivot 3 passes through gas end shaft coupling 308 and is connected with the outside steam turbine, drives pivot 3 through the steam turbine and rotates to guarantee the operation that the device can be normal, and gas end shaft coupling 308 is located the outside of generator shell 2.

Further, a limiting groove 402 has been seted up to brush box 4 outer wall, the bolt is through running through limiting groove 402 and dead lever 703, fix dead lever 703, thereby fix sealed lid 7, guarantee the stability of sealed lid 7, a plurality of spouts 401 have been seted up to brush box 4's inner wall, and limiting groove 402 is located the inside of spout 401, slide in brush box 4 inside spout 401 through sliding block 702, thereby be convenient for the staff takes out sealed lid 7 from brush box 4's inside, the staff of being convenient for maintains the change to the brusher, thereby staff's work efficiency has been improved.

Further, the two ends of the stator core 5 are fixedly connected with clamping rings 501 through bolts, the inner wall of the stator core 5 is provided with a stator slot 502, a stator slot wedge 503 is installed on the inner wall of the stator slot 502 in an embedded mode, a stator winding 504 is installed in the stator slot 502 in an embedded mode, the stator winding 504 is located below the stator slot wedge 503, the stator winding 504 is embedded in the stator slot 502 of the stator core 5, then the stator slot wedge 503 is installed in the stator slot 502, the stator winding 504 is fixed, the stator winding 504 falls out of the stator slot 502 when the device operates, operation faults are caused, and then the clamping rings 501 are installed at the two ends of the stator core 5, so that the stability of the stator winding 504 is guaranteed.

Furthermore, a movable groove 601 is formed inside the air gap wind-blocking ring 6, a stop block 602 is movably mounted inside the movable groove 601, the stop block 602 is installed inside the movable groove 601 in a penetrating manner, a threaded rod 603 is installed on the outer wall of the air gap wind-blocking ring 6 in a penetrating manner, a rotating shaft is installed at the bottom of the threaded rod 603, one end of the threaded rod 603, which is located inside the movable groove 601, is fixedly connected with the outer wall of one side of the stop block 602 through the rotating shaft, the threaded rod 603 is rotated to drive the stop block 602 to slide inside the movable groove 601, so that the air gap wind-blocking ring 6 can be adjusted, an air gap between the stator core 5 and the rotor 301 can be blocked through the air gap wind-blocking ring 6, air-cooling air between the stator core 5 and the rotor 301 can better take away heat, thereby improving the cooling effect of the device, and avoiding the over-low heat dissipation speed of the power generation device in the power generation process, affecting the operating efficiency of the power plant.

Further, sealing strip 701 is installed in the outside of sealed lid 7, a plurality of sliding blocks 702 of one side fixedly connected with of sealed lid 7, and sliding block 702 and the big or small looks adaptation of spout 401, a plurality of dead levers 703 of one side fixedly connected with of sealed lid 7, and dead lever 703 is located one side of sliding block 702, when the device maintains, the accessible is taken sealed lid 7 out from the inside of brush box 4, then dismantle the fixed brush ware in dead lever 703 top, thereby maintain the change to the brush ware, slide in the inside spout 401 of brush box 4 through sliding block 702, thereby the staff of being convenient for takes out sealed lid 7 from the inside of brush box 4, the staff of being convenient for maintains the change to the brush ware, thereby staff's work efficiency has been improved.

Further, the device comprises the following publishing steps:

s1. according to any one of claims 1 to 8, when mounting, fitting the stator winding 504 inside the stator slot 502 of the stator core 5, then fitting the stator slot wedge 503 inside the stator slot 502 to fix the stator winding 504, when the apparatus is in operation, the stator winding 504 falls out from inside the stator slot 502 to cause an operation failure, and then by fitting the pressing rings 501 at both ends of the stator core 5, the stability of the stator winding 504 is ensured;

s2, according to any one of claims 1 to 8, after the stator winding 504 is installed, the generator shell 2 is installed above the base 1, the stator core 5 is installed inside the generator shell 2, two ends of the stator winding 504 are located inside the wind scooper 207, the rotor 301 is installed inside the stator core 5 through the rotating shaft 3, the bearings 306 at two ends of the rotating shaft 3 are installed inside the bearing slots 205 at two ends of the base 1 in a jogged mode, and then the bearing cover 206 is installed on the outer side of the bearing slots 205;

s3, according to any one of claims 1 to 8, after the rotor 301 is installed inside the stator core 5, the air gap wind blocking ring 6 is fixedly installed on the outer wall of one side of the pressing ring 501 through bolts, the threaded rod 603 is rotated, the threaded rod 603 drives the stop block 602 to slide inside the movable groove 601, so that the air gap wind blocking ring 6 can be adjusted, the air gap between the stator core 5 and the rotor 301 can be blocked through the air gap wind blocking ring 6, and therefore, cold air can better take away heat from the air gap between the stator core 5 and the rotor 301, the cooling effect of the device is improved, and the phenomenon that the working efficiency of the power generation device is affected due to the fact that the heat dissipation speed of the power generation device is too low in the power generation process is avoided;

s4, according to any one of claims 1 to 8, in the using device, the vent hole b202 is formed in the bottom of the generator shell 2, so that heat inside the generator shell 2 can be exhausted through the vent hole b202, the vent hole b202 is located above the vent hole a106, the vent fan a102 is turned on, the heat inside the generator shell 2 can be blown into the exhaust groove 103 through the vent hole a106 by the exhaust fan a102, and then the heat of the exhaust groove 103 is blown to the outside by the exhaust fan b104, so that the heat dissipation effect of the device is further improved;

s5, according to any one of claims 1 to 8, when the device is maintained, the sealing cover 7 can be drawn out from the inside of the brush box 4, then the electric brush fixed above the fixing rod 703 is detached, so that the electric brush can be maintained and replaced, the sliding block 702 slides in the sliding groove 401 in the brush box 4, so that a worker can take the sealing cover 7 out of the inside of the brush box 4, the worker can maintain and replace the electric brush, and the working efficiency of the worker is improved.

The working principle is as follows: when the device is installed, the stator winding 504 is embedded in the stator slot 502 of the stator core 5, then the stator slot wedges 503 are installed in the stator slot 502, thereby fixing the stator winding 504, when the device is operated, the stator winding 504 falls out from the inside of the stator slot 502, thereby causing operation failure, then the pressing rings 501 are installed at the two ends of the stator core 5, thereby ensuring the stability of the stator winding 504, after the stator winding 504 is installed, the generator shell 2 is installed above the base 1, then the stator core 5 is installed in the generator shell 2, so that the two ends of the stator winding 504 are positioned in the wind scooper 207, then the rotor 301 is installed in the stator core 5 through the rotating shaft 3, the bearings 306 at the two ends of the rotating shaft 3 are embedded in the bearing slots 205 at the two ends of the base 1, then the bearing seal cover 206 is installed at the outer side of the bearing slots 205, the air gap wind blocking ring 6 is fixedly arranged on the outer wall of one side of the pressing ring 501 through a bolt, the threaded rod 603 is rotated to enable the threaded rod 603 to drive the stop block 602 to slide in the movable groove 601, so that the air gap wind blocking ring 6 can be adjusted, the air gap between the stator core 5 and the rotor 301 can be blocked through the air gap wind blocking ring 6, and the air-cooled air can better take away heat in the air gap between the stator core 5 and the rotor 301, so that the cooling effect of the device is improved, the heat in the generator shell 2 can be discharged through the vent b202 arranged at the bottom of the generator shell 2, the vent b202 is positioned above the vent a106, the heat in the generator shell 2 can be blown into the exhaust groove 103 through the vent a106 by opening the exhaust fan a102 through opening the exhaust fan a102, and the heat in the exhaust groove 103 can be blown to the outside through opening the exhaust fan b104, thereby further radiating effect who improves the device, when the device maintains, the accessible is taken sealed lid 7 out from brush box 4's inside, then dismantle the brush ware that dead lever 703 top is fixed, thereby maintain the change to the brush ware, slide in brush box 4 inside spout 401 through sliding block 702, thereby the staff of being convenient for takes out sealed lid 7 from brush box 4's inside, the staff of being convenient for maintains the change to the brush ware, thereby staff's work efficiency has been improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a two water internal cooling turbo generator with air gap ring of keeping out the wind and application method thereof, includes base (1), generator shell (2) and brush box (4), its characterized in that: the top fixedly connected with generator shell (2) of base (1), the one end fixedly connected with brush box (4) of generator shell (2), sealed lid (7) are installed to the inside gomphosis of brush box (4), inside fixedly connected with stator core (5) of generator shell (2), inside pivot (3) of generator shell (2), outer wall fixedly connected with rotor (301) of pivot (3), and rotor (301) are located the inside of stator core (5), the one end of stator core (5) is passed through the bolt fastening and is had air gap wind-break ring (6).

2. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: the inside of base (1) is equipped with ventilation groove (101), and vent a (106) have been seted up at the top of ventilation groove (101), and the roof of ventilation groove (101) passes through bolt fixedly connected with exhaust fan a (102), the inside of base (1) is equipped with exhaust groove (103), and exhaust groove (103) are located the below of ventilation groove (101), and exhaust groove (103) link up with ventilation groove (101), and one side inner wall of exhaust groove (103) passes through bolt fixedly connected with exhaust fan b (104), and exhaust groove b (105) have been seted up to the both sides of base (1), and the roof of base (1) passes through bolt fixedly connected with brace table (107), and brace table (107) are located one side of vent a (106).

3. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: roof fixedly connected with hydrogen cooler (201) of generator shell (2), the bottom of generator shell (2) is equipped with vent b (202), the inside fixedly connected with filter screen (203) of vent b (202), the outer wall fixedly connected with line concentrating box a (204) of generator shell (2), the both ends fixed connection of generator shell (2) has bearing groove (205), the outside fixedly connected with bearing closing cap (206) of bearing groove (205), the inside both ends fixedly connected with wind scooper (207) of generator shell (2), and wind scooper (207) are located the both sides of stator core (5).

4. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: the surface of rotor (301) is equipped with rotor groove (302), and rotor slot wedge (303) are installed to the inside gomphosis of rotor groove (302), and the both ends fixedly connected with retaining ring (304) of rotor (301), both ends fixedly connected with fan (305) of pivot (3), both ends fixedly connected with bearing (306) of pivot (3), and bearing (306) are located one side of fan (305), the one end fixedly connected with collecting ring (307) of pivot (3), and collecting ring (307) are located one side of bearing (306), the other end fixedly connected with gas end shaft coupling (308) of pivot (3), and gas end shaft coupling (308) are located the outside of generator shell (2).

5. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: the limiting groove (402) is formed in the outer wall of the electric brush box (4), the sliding grooves (401) are formed in the inner wall of the electric brush box (4), and the limiting groove (402) is located inside the sliding grooves (401).

6. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: the stator structure is characterized in that clamping rings (501) are fixedly connected to two ends of the stator core (5) through bolts, stator slots (502) are formed in the inner wall of the stator core (5), stator slot wedges (503) are installed on the inner wall of the stator slots (502) in an embedded mode, stator windings (504) are installed in the stator slots (502) in an embedded mode, and the stator windings (504) are located below the stator slot wedges (503).

7. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: activity groove (601) have been seted up to the inside of air gap wind-break ring (6), the inside movable mounting of activity groove (601) has dog (602), and dog (602) run through the inside of installing at activity groove (601), and the outer wall of air gap wind-break ring (6) runs through and installs threaded rod (603), and the axis of rotation is installed to the bottom of threaded rod (603), and threaded rod (603) are located one side outer wall fixed connection that axis of rotation and dog (602) were passed through to the inside one end of activity groove (601).

8. The double-water internal-cooling steam turbine generator with the air gap wind-shield ring and the use method thereof according to claim 1 are characterized in that: sealing strip (701) is installed in the outside of sealed lid (7), a plurality of sliding blocks (702) of one side fixedly connected with of sealed lid (7), and sliding block (702) and the big or small looks adaptation of spout (401), a plurality of dead levers (703) of one side fixedly connected with of sealed lid (7), and dead lever (703) are located one side of sliding block (702).

9. The double water internal cooling steam turbine generator with the air gap wind shield ring and the use method thereof according to the claims 1 to 8 are characterized in that the device has the following publishing steps:

s1, according to any one of claims 1 to 8, when in installation, a stator winding (504) is embedded inside a stator slot (502) of a stator core (5), then a stator slot wedge (503) is installed inside the stator slot (502), so that the stator winding (504) is fixed, the stator winding (504) falls out of the inside of the stator slot (502) when the device is operated, so that operation failure is caused, and then pressing rings (501) are installed at two ends of the stator core (5), so that the stability of the stator winding (504) is ensured;

s2, according to any one of claims 1 to 8, after the stator winding (504) is installed, the generator shell (2) is installed above the base (1), then the stator core (5) is installed inside the generator shell (2), two ends of the stator winding (504) are located inside the air guide cover (207), then the rotor (301) is installed inside the stator core (5) in a penetrating mode through the rotating shaft (3), bearings (306) at two ends of the rotating shaft (3) are installed inside bearing grooves (205) at two ends of the base (1) in a fitting mode, and then the bearing sealing cover (206) is installed on the outer side of the bearing grooves (205);

s3, according to any one of claims 1 to 8, after the rotor (301) is installed inside the stator core (5), the air gap wind blocking ring (6) is fixedly installed on the outer wall of one side of the pressing ring (501) through bolts, the threaded rod (603) is rotated to enable the threaded rod (603) to drive the stop block (602) to slide inside the movable groove (601), so that the air gap wind blocking ring (6) can be adjusted, an air gap between the stator core (5) and the rotor (301) can be blocked through the air gap wind blocking ring (6), and therefore cold air in the air gap between the stator core (5) and the rotor (301) can take away heat better, the cooling effect of the device is improved, and the production efficiency of the device is improved;

s4, according to any one of claims 1 to 8, in the using device, the vent b (202) arranged at the bottom of the generator shell (2) enables heat inside the generator shell (2) to be discharged through the vent b (202), the vent b (202) is located above the vent a (106), and by turning on the exhaust fan a (102), the exhaust fan a (102) can blow the heat inside the generator shell (2) into the exhaust groove (103) through the vent a (106), and then the exhaust fan b (104) is turned on to blow the heat of the exhaust groove (103) to the outside, so that the heat dissipation effect of the device is further improved;

s5, according to any one of claims 1 to 8, when the device is maintained, the sealing cover (7) can be pulled out from the inside of the brush box (4), then the brush fixed above the fixing rod (703) is detached, so that the brush can be maintained and replaced, and the sliding block (702) slides in the sliding groove (401) in the brush box (4), so that a worker can take the sealing cover (7) out of the brush box (4), the worker can maintain and replace the brush conveniently, and the working efficiency of the worker is improved.

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