CN213754268U - Turbo generator rotor dress takes out device - Google Patents
Turbo generator rotor dress takes out device Download PDFInfo
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- CN213754268U CN213754268U CN202022538612.XU CN202022538612U CN213754268U CN 213754268 U CN213754268 U CN 213754268U CN 202022538612 U CN202022538612 U CN 202022538612U CN 213754268 U CN213754268 U CN 213754268U
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Abstract
The utility model discloses a steam turbine generator rotor assembling and extracting device, wherein the steam turbine generator comprises a stator arranged on a base and a rotor positioned in a stator chamber; the rotor pumping device comprises a hoisting tool, a traction tool and a sliding tool, wherein the hoisting tool is arranged on the base and can lift the rotor, the traction tool can pull the rotor to be pumped out from a stator bore, and the sliding tool can be filled below the rotor to be beneficial to the rotor to slide relative to the stator. By adopting the assembling and extracting device for the turbonator rotor, the assembling and extracting operation of the turbonator rotor can be completed without lifting the rotor by a large-scale crane or a lifting appliance.
Description
Technical Field
The utility model relates to a turbo generator technical field especially relates to a turbo generator rotor dress takes out device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The steam turbine generator is a cylindrical rotor synchronous motor which is driven by a steam turbine to be used as generator operation power in a thermal power plant or a nuclear power plant. The structure of the magnetic field generator comprises a rotor and a stator, wherein the rotor mainly acts on generating a rotating magnetic field, and the stator mainly acts on being cut by magnetic lines of force in the rotating magnetic field to generate current.
The mounting and dismounting of the rotor are important processes for the mounting or the overhaul and maintenance of the turbonator in a power plant. The prior large-scale turbonator in China usually needs to finish the loading and unloading operation of the rotor by means of a large-scale crane and a lifting appliance when the rotor is installed or extracted from a power plant, and a new method and a new device are urgently needed to finish the loading and unloading operation of the rotor more efficiently and more conveniently for a low-level power plant without enough space and conditions for installing the large-scale crane.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that above-mentioned exists, a turbo generator rotor dress is taken out device is provided, need not large-scale driving or hoist and lift by crane the dress that the rotor just can accomplish turbo generator rotor and take out the operation.
The utility model discloses a turbo generator rotor dress takes out device, its characterized in that:
the steam turbine generator comprises a stator arranged on the base and a rotor positioned in a stator bore;
the rotor pumping device comprises a hoisting tool, a traction tool and a sliding tool, wherein the hoisting tool is arranged on the base and can lift the rotor, the traction tool can pull the rotor to be pumped out from a stator bore, and the sliding tool can be filled below the rotor to be beneficial to the rotor to slide relative to the stator.
Further, the sliding tool is a sliding block and a sliding plate which are in sliding fit, the sliding block is padded below the rotor, and the sliding plate is paved in the stator chamber or on a ground platform.
Furthermore, the sliding tool is a roller vehicle and a sliding rail which are arranged in a matched mode, the roller vehicle is padded below the rotor, and the sliding rail is paved in the stator chamber or on a ground platform.
Further, the sliding tool comprises a sliding block and a sliding plate in sliding fit, and a roller trolley and a sliding rail in sliding fit, wherein the sliding block and the roller trolley are padded below the rotor, the sliding plate is paved in the stator chamber, and the sliding rail is paved on a ground platform.
Furthermore, the steam end of the rotor is provided with a coupler, the slide block comprises a coupler slide block, a steam end slide block and a field end slide block, and the roller vehicle comprises a first trolley positioned at the field end shaft neck of the rotor and a second trolley positioned at the steam end body of the rotor.
Furthermore, the steam end and the excitation end of the stator are both provided with an upper end cover and a lower end cover, and the rotor assembling and extracting device further comprises an upper end cover disassembling tool for disassembling and assembling the upper end cover and a lower end cover lifting tool for lifting the lower end cover.
Further, the hoisting tool is a chain block or an electric block which is vertically arranged, and the traction tool is a chain block or an electric block which is horizontally arranged.
Further, the traction tool can pull the excitation end of the rotor and enable the rotor to be drawn out of the stator bore.
Through comprehensively adopting the technical scheme, the utility model discloses can gain following beneficial effect:
the traditional rotor assembling and extracting device lifts the rotor, and a sufficient space is required above a power generator unit plant for installing a large crane and a lifting appliance. To not using enough space and the low level of the large-scale driving of condition installation and hoist to arrange the power plant, can use the utility model provides a slide rail formula's rotor dress takes out device owing to not lifting by crane whole rotor, the process of dress taking out the rotor is safer to can save the expense that the power plant purchased large-scale driving etc, have extensive commonality, be worth promoting.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a turbonator rotor assembly and extraction apparatus in a first stage of assembly and extraction of the rotor;
FIG. 2 is a schematic view of a stator end of a steam turbine generator;
FIG. 3 is a schematic view of a turbonator rotor extraction assembly during a second stage of rotor extraction;
FIG. 4 is a schematic illustration of a turbonator rotor assembly during a third stage of rotor assembly;
FIG. 5 is a schematic view of a turbonator rotor assembly in a third stage of rotor assembly.
Description of reference numerals:
100-stator, 200-rotor, 300-machine base, 1-hoisting tool, 2-traction tool, 31-coupler slide block, 32-steam end slide block, 33-excitation end slide block, 34-sliding plate, 35-first trolley, 36-second trolley, 37-sliding rail, 4-lower end cover and 41-lower end cover lifting tool.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The utility model discloses a turbo generator rotor dress takes out device, the turbo generator that involves including the stator 100 of installing on frame 300 and the rotor 200 that is located the stator bore. The rotor 200 mainly functions to generate a rotating magnetic field, and the stator 100 mainly functions to be cut by magnetic lines in the rotating magnetic field to generate a current.
As shown in fig. 1-5, the utility model provides a turbo generator rotor dress takes out device includes lifting device 1, traction tool 2 and sliding tool, and lifting device 1 establishes on frame 300 and can hoist rotor 200, and traction tool 2 can pull rotor 200 and take out from the stator bore, and sliding tool can fill up in rotor 200 below so that rotor 200 slides for stator 100.
The sliding tool is an important component of the rotor assembly and extraction device, and the sliding of the rotor 200 relative to the stator 100 can be realized by adopting various embodiments. In some embodiments, the glider is a slip fit slider padded underneath rotor 200 and sled 34, with sled 34 being laid within the stator bore or on a ground platform. In some embodiments, the vehicle is provided on a cooperating roller car padded underneath the rotor 200 and a skid 37, which skid 37 is laid within the stator bore or on a ground platform.
In some embodiments, the vehicle may also include both a sliding fit slider and sled 34 underlying the rotor 200, and a sliding fit roller car and sled 37, with the sled 34 lying within the stator bore and the sled 37 lying on a ground platform. In at least one embodiment, the steam end of the rotor 200 has a coupling, the slider comprises a coupling slider 31, a steam end slider 32 and a field end slider 33, and the roller car comprises a first car 35 at the field end journal of the rotor and a second car 36 at the steam end body of the rotor 200.
Both the steam end and the field end of the stator 100 have upper and lower end caps 4. In order to avoid the obstruction of the end cover to the assembly and extraction of the rotor 200, the upper end cover and the lower end cover 4 need to be removed before the rotor 200 is extracted, and then the rotor 200 is assembled and then is installed again. In some embodiments, the rotor assembling and extracting device further comprises an upper end cover disassembling tool for disassembling the upper end cover and a lower end cover lifting tool 41 for lifting the lower end cover 4.
The hoisting tool 1 and the traction tool 2 are mainly used for bearing tension, and various embodiments can be adopted. In some embodiments, the hoisting tool 1 is a vertically arranged chain block or an electric block, and the traction tool 2 is a horizontally arranged chain block or an electric block.
Since the steam end of the turbonator is usually coupled to the steam turbine via a coupling, the space between the turbonator and the steam turbine is small, so that the rotor 200 can be pulled by the traction tool 2 and the rotor 200 can be extracted from the stator bore. Due to the various unit types, the layout of each device in different units may be different, and under the condition that the conditions allow, the traction tool 2 can be used for pulling the steam end of the rotor 200 and extracting the rotor 200 from the stator bore, and the layout is selected according to the actual situation.
At least one exemplary embodiment is now provided in connection with the drawings, a detailed description of which is provided in the drawings not intended to limit the scope of the claimed invention, but is merely representative of exemplary embodiments provided in the invention.
Referring to fig. 1-5, the exemplary embodiment is particularly directed to a turbonator rotor assembly for assembling and extracting a rotor 200 from an excitation end. The rotor assembling and disassembling device comprises an upper end cover disassembling tool, a lower end cover lifting tool 41, a hoisting tool 1, a traction tool 2, a sliding block and a roller vehicle.
The upper end cover dismounting tool and the lower end cover lifting tool 41 are used for moving the upper end cover and the lower end cover 4 away before the rotor 200 is mounted and extracted, for example, removing the upper end cover or the sinking end cover of the steam end and the excitation end, the lower end cover 4 of the excitation end, and the like, so as not to hinder the extraction and insertion of the rotor 200. The upper end of the hoisting tool 1 is hung on the base 300 and is mainly used for lifting the rotor 200 and then putting the sliding plate 34 and other components into the stator bore. The hoisting tool 1 and the traction tool 2 can be chain blocks which are vertically arranged and horizontally arranged respectively. The slide blocks comprise a coupler slide block 31 positioned at the coupler, a steam end slide block 32 positioned at the steam end of the rotor body and a excitation end slide block 33 positioned at the excitation end of the rotor body. A slide plate 34 is laid within the stator bore for cooperation with the slide block. The roller car includes a first cart 35 at the rotor field journal and a second cart 36 at the rotor body steam end. The ground platform of the excitation end is paved with a slide rail 37 which is used for matching with the roller vehicle. The rotor 200 can be conveniently moved by means of a traction tool 2, a slide, a sled 34, a roller car, and a sled 37.
The process of loading the rotor 200 and extracting the rotor 200 is the reverse process, and the method of using the rotor loading and extracting device will now be described with reference to fig. 1 to 5 by taking the extracting rotor 200 as an example.
The first stage is as follows:
1. a slide rail 37 is fixed on the excitation end ground platform of the turbonator so that a subsequent roller vehicle can slide on the slide rail;
2. removing the upper end covers of the steam end and the excitation end of the steam turbine generator by using an upper end cover dismounting tool, fixing the hoisting tool 1 on the end faces of the steam end and the excitation end of the steam turbine generator on the base 300 respectively, and slowly lifting the rotor 200;
3. sinking the steam end and the lower end cover 4 of the excitation end of the steam turbine generator by using the lower end cover lifting tool 41 so as not to hinder the extraction of the rotor 200;
4. a sliding plate 34 is placed in a stator bore of the turbonator, and a coupler sliding block 31, a steam end sliding block 32, an excitation end sliding block 33 and the like are respectively installed;
5. as shown in fig. 1, the rotor 200 is slowly drawn from the exciter end by the traction tool 2.
And a second stage:
6. when the rotor 200 is drawn to the position shown in fig. 3, namely the excitation end sliding block 33 slides to the end part of the excitation end iron core, a first trolley 35 is installed at the excitation end journal, and then the excitation end sliding block 33 is taken out, so that the rotor 200 is supported on the first trolley 35 and the steam end sliding block 32 by weight; continuing to pump the rotor 200, when the steam end slide block 32 slides to the end part of the excitation end iron core, taking out the steam end slide block 32, and enabling the rotor 200 to be supported on the first trolley 35 and the coupler slide block 31 in a weight mode; continuing to pump the rotor 200 until the rotor steam end body slides to the position above the excitation end ground platform, and then installing a second trolley 36 at the rotor steam end body;
and a third stage:
7. when the rotor is drawn to the position shown in fig. 4, i.e. the coupling slide 31 reaches the excitation end ground platform, the coupling slide 31 is removed, the weight of the rotor 200 is supported on the first carriage 35 and the second carriage 36, and the rotor 200 is pulled by the traction tool 2 until the rotor 200 is completely drawn out.
During the extraction and installation of the rotor 200, the rotor 200 may be additionally lifted or lowered using a jack as needed.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (8)
1. The utility model provides a turbo generator rotor dress takes out device which characterized in that:
the steam turbine generator comprises a stator arranged on the base and a rotor positioned in a stator bore;
the rotor pumping device comprises a hoisting tool, a traction tool and a sliding tool, wherein the hoisting tool is arranged on the base and can lift the rotor, the traction tool can pull the rotor to be pumped out from a stator bore, and the sliding tool can be filled below the rotor to be beneficial to the rotor to slide relative to the stator.
2. The turbonator rotor assembling and extracting device of claim 1, wherein: the sliding tool is a sliding block and a sliding plate which are in sliding fit, the sliding block is padded below the rotor, and the sliding plate is paved in the stator bore or on a ground platform.
3. The turbonator rotor assembling and extracting device of claim 1, wherein: the sliding tool is a roller vehicle and a sliding rail which are matched, the roller vehicle is padded below the rotor, and the sliding rail is paved in the stator chamber or on a ground platform.
4. The turbonator rotor assembling and extracting device of claim 1, wherein: the sliding tool comprises a sliding block and a sliding plate in sliding fit, and a roller vehicle and a sliding rail in sliding fit, the sliding block and the roller vehicle are padded below the rotor, the sliding plate is paved in the stator bore, and the sliding rail is paved on a ground platform.
5. The turbonator rotor assembling and extracting device of claim 4, wherein: the steam end of the rotor is provided with a coupler, the sliding block comprises a coupler sliding block, a steam end sliding block and a field end sliding block, and the roller vehicle comprises a first trolley located at a field end shaft neck of the rotor and a second trolley located at a steam end body of the rotor.
6. The turbonator rotor assembling and extracting device of any one of claims 1 to 5, wherein: the steam end and the excitation end of the stator are both provided with an upper end cover and a lower end cover, and the rotor assembling and extracting device further comprises an upper end cover disassembling tool for disassembling and assembling the upper end cover and a lower end cover lifting tool for lifting the lower end cover.
7. The turbonator rotor assembling and extracting device of any one of claims 1 to 5, wherein:
the hoisting tool is a chain block or an electric block which is vertically arranged, and the traction tool is a chain block or an electric block which is horizontally arranged.
8. The turbonator rotor assembling and extracting device of any one of claims 1 to 5, wherein:
the traction tool can pull the excitation end of the rotor and enable the rotor to be drawn out of the stator bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022538612.XU CN213754268U (en) | 2020-11-06 | 2020-11-06 | Turbo generator rotor dress takes out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022538612.XU CN213754268U (en) | 2020-11-06 | 2020-11-06 | Turbo generator rotor dress takes out device |
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| Publication Number | Publication Date |
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| CN213754268U true CN213754268U (en) | 2021-07-20 |
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| CN202022538612.XU Active CN213754268U (en) | 2020-11-06 | 2020-11-06 | Turbo generator rotor dress takes out device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337137A (en) * | 2021-12-29 | 2022-04-12 | 航天科工哈尔滨风华有限公司 | Stator and rotor horizontal type assembling device and assembling method of turbine power generation equipment |
-
2020
- 2020-11-06 CN CN202022538612.XU patent/CN213754268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337137A (en) * | 2021-12-29 | 2022-04-12 | 航天科工哈尔滨风华有限公司 | Stator and rotor horizontal type assembling device and assembling method of turbine power generation equipment |
| CN114337137B (en) * | 2021-12-29 | 2023-01-20 | 航天科工哈尔滨风华有限公司 | Stator and rotor horizontal type assembling device and assembling method of turbine power generation equipment |
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