CN216016665U - Large-scale generator rotor gantry - Google Patents
Large-scale generator rotor gantry Download PDFInfo
- Publication number
- CN216016665U CN216016665U CN202122392281.8U CN202122392281U CN216016665U CN 216016665 U CN216016665 U CN 216016665U CN 202122392281 U CN202122392281 U CN 202122392281U CN 216016665 U CN216016665 U CN 216016665U
- Authority
- CN
- China
- Prior art keywords
- rotor
- portal
- portal unit
- unit
- gantry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a large-scale generator rotor gantry frame of taking out belongs to generator rotor and dismantles technical field. The device comprises a bearing portal frame for hoisting a rotor and a supporting portal frame for supporting the rotor, wherein the bearing portal frame comprises a first portal frame unit, a second portal frame unit and a third portal frame unit which are transversely arranged from left to right in sequence; the support portal comprises a fourth portal unit and a fifth portal unit which are transversely arranged from left to right in sequence. The safety and stability of the rotor drawing operation are ensured through the arranged bearing portal frame and the supporting portal frame, the construction and the disassembly are convenient, and the construction cost is low; and the rotor pumping operation of the generator can be realized under the condition that a rotor pumping overhaul field is not reserved.
Description
Technical Field
The utility model relates to a large-scale generator rotor portal frame of taking out belongs to generator rotor and dismantles technical field.
Background
The maintenance field is all reserved in the rotor direction of taking out in general large-scale generator region of placing, overhauls the field top and is equipped with the jack-up driving, takes out when making things convenient for the generator overhaul and wears the rotor operation. When the generator pumps the rotor, the travelling crane lifts the steam and excitation sections of the rotor, a sliding block is placed on a sliding plate in a steam end stator chamber, the steam end falls on the sliding block after the sliding block is in place, the excitation end is kept lifted by the travelling crane, and then the rotor is pumped out from the axial direction through a winch or a manual hoist.
The conventional rotor extracting method depends on a traveling crane above a rotor extracting operation overhaul field, and the traveling crane can be implemented only by covering all the stroke of the extracted rotor. Therefore, enough overhaul fields and running distances must be reserved during the design of the generator plant. This results in a large floor space for the generator plant and a corresponding increase in cost. For some field conditions that a rotor extracting overhaul field and a traveling crane cannot be reserved due to field restriction, the common rotor extracting operation means cannot be used.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the utility model provides a large-scale generator takes out rotor portal frame, it has solved among the prior art large-scale generator that does not reserve and take out rotor maintenance field, can not use the problem of taking out rotor operation means commonly used.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a gantry frame for pumping rotors of a large-scale generator is provided, a generator stator is arranged on a generator platform, the generator platform is arranged on the ground, the gantry frame comprises a bearing gantry frame for hoisting the rotors and a supporting gantry frame for supporting the rotors, the bearing gantry frame and the supporting gantry frame are transversely arranged from left to right in sequence, wherein,
the bearing portal comprises a first portal unit, a second portal unit and a third portal unit which are sequentially arranged from left to right in a transverse direction, the tops of the first portal unit, the second portal unit and the third portal unit are connected through two pieces of profile steel which are parallel to each other, a first sliding rail and a second sliding rail are respectively arranged at the tops of the two pieces of profile steel, bearing beams are arranged on the first sliding rail and the second sliding rail, and the bottoms of the two ends of each bearing beam are respectively connected with the first sliding rail and the second sliding rail through sliding blocks;
the supporting portal comprises a fourth portal unit and a fifth portal unit which are sequentially arranged from left to right in a transverse direction, the tops of the fourth portal unit and the fifth portal unit are connected through a third slide rail and a fourth slide rail which are parallel to each other, a rotor bearing beam is arranged on the third slide rail and the fourth slide rail, and the bottoms of two ends of the rotor bearing beam are respectively connected with the third slide rail and the fourth slide rail through sliding blocks;
the first portal unit and the second portal unit are arranged on the generator platform, the third portal unit, the fourth portal unit and the fifth portal unit are arranged on the ground, the tops of the first portal unit, the second portal unit and the third portal unit are on the same horizontal plane, the tops of the fourth portal unit and the fifth portal unit are on the same horizontal plane, and one end of the third slide rail and one end of the fourth slide rail penetrate through the third portal unit to be erected on the generator platform.
Preferably, the number of the bearing beams is two, and the two bearing beams are parallel to each other.
Preferably, the upper portion of the rotor bolster has a downwardly concave surface for supporting the rotor.
More preferably, at least two rotor bearing beams are arranged, and the two rotor bearing beams are parallel to each other.
The utility model has the advantages that:
the utility model provides a large generator rotor-drawing portal frame, which ensures the safety and stability of rotor-drawing operation through the arranged bearing portal frame and the supporting portal frame, and has convenient construction and disassembly and lower construction cost; and the rotor pumping operation of the generator can be realized under the condition that a rotor pumping overhaul field is not reserved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic diagram of the right-side view structure of the present invention;
fig. 4 is a schematic top view of the present invention.
In the figure: 101. a first gantry unit; 102. a second mast unit; 103. a third gantry unit; 104. a first slide rail; 105. a second slide rail; 106. a spandrel girder; 201. a fourth gantry unit; 202. a fifth gantry unit; 203. a third slide rail; 204. a fourth slide rail; 205. a rotor bolster; 301. a generator rotor; 302. a generator stator; 303. a generator platform; 304. a base platform; 400. a steel strip.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
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", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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.
The first embodiment is as follows:
referring to fig. 1-4, the present embodiment provides a gantry for pumping rotors of a large generator, wherein a generator rotor 301 is disposed in a generator stator 302, the generator stator 302 is disposed on a generator platform 303, the generator platform 303 is disposed on the ground, a base platform 304 is disposed on the generator platform and near an excitation end of the generator rotor 301, the gantry is disposed at the excitation end of the generator rotor 301, the gantry includes a bearing gantry for hoisting the rotor and a support gantry for supporting the rotor, and the bearing gantry and the support gantry are transversely arranged in sequence from left to right.
The bearing portal comprises a first portal unit 101, a second portal unit 102 and a third portal unit 103 which are arranged in sequence from left to right, the tops of the first portal unit 101, the tops of the second portal unit 102 and the tops of the third portal unit 103 are connected through two parallel section steels, the tops of the two section steels are respectively provided with a first sliding rail 104 and a second sliding rail 105, bearing beams 106 are arranged on the first sliding rail 104 and the second sliding rail 105, the bottoms of the two ends of each bearing beam 106 are respectively connected with the first sliding rail 104 and the second sliding rail 105 through sliding blocks, the bearing beams 106 are used for installing a manual hoist, a rotor is lifted through the manual hoist, the number of the bearing beams 106 is two, and the two bearing beams 106 are parallel to each other.
The supporting gantry comprises a fourth gantry unit 201 and a fifth gantry unit 202 which are sequentially arranged from left to right in a transverse direction, the tops of the fourth gantry unit 201 and the top of the fifth gantry unit 202 are connected through a third slide rail 203 and a fourth slide rail 204 which are parallel to each other, rotor bearing beams 205 are arranged on the third slide rail 203 and the fourth slide rail 204, the bottoms of two ends of each rotor bearing beam 205 are respectively connected with the third slide rail 203 and the fourth slide rail 204 through sliders, the upper portion of each rotor bearing beam 205 is provided with a downward concave surface for bearing a rotor, the number of the rotor bearing beams 205 is two, and the two rotor bearing beams 205 are parallel to each other.
The first gantry unit 101 and the second gantry unit 102 are arranged on the generator platform 303, the third gantry unit 103, the fourth gantry unit 201 and the fifth gantry unit 202 are arranged on the ground, the first gantry unit 101, the second gantry unit 102 and the third gantry unit 103 are arranged on the same horizontal plane, the fourth gantry unit 201 and the fifth gantry unit 202 are arranged on the same horizontal plane, one end of the third slide rail 203 and one end of the fourth slide rail 204 penetrate through the third gantry unit 103 to be erected on the generator platform 303, and the third slide rail 203 and the fourth slide rail 204 are connected with the basic platform 304 in a flush mode. The third slide rail 203 and the fourth slide rail 204 cover the entire stroke of the rotor extraction. The sliding blocks at the bottoms of the third sliding rail 203 and the fourth sliding rail 204 are special sliding blocks for rotors, so that the rotors can be conveniently taken out and supported.
The first gantry unit 101, the second gantry unit 102, the third gantry unit 103, the fourth gantry unit 201 and the fifth gantry unit 202 are all of a gantry structure formed by connecting two steel columns and one transverse section steel, the bottoms of the two steel columns are connected with the generator platform 303 or the ground, in a preferred embodiment, the first gantry unit 101, the second gantry unit 102, the third gantry unit 103, the fourth gantry unit 201 and the fifth gantry unit 202 are reinforced by arranging crossed steel bars 400, and the two steel columns are also reinforced by arranging crossed steel bars 400.
The first slide rail 104, the second slide rail 105, the third slide rail 203, and the fourth slide rail 204 are all arranged in a direction moving along the axial direction of the rotor.
The embodiment provides a rotor extracting operation mode of a large generator rotor extracting portal frame, which comprises the following steps:
firstly, mounting the hand hoist on a bearing beam 106; then, the rotor is drawn out of the stator by using a hand-operated hoist; then, the extracted portion is mounted on the rotor bolster 205; and finally, completely drawing out the rotor by moving the hand-operated hoist.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A gantry frame for pumping rotors of a large-scale generator is characterized in that the gantry frame comprises a bearing gantry frame for hoisting the rotors and a supporting gantry frame for supporting the rotors, the bearing gantry frame and the supporting gantry frame are transversely arranged in sequence from left to right, wherein,
the bearing portal comprises a first portal unit, a second portal unit and a third portal unit which are sequentially arranged from left to right in a transverse direction, the tops of the first portal unit, the second portal unit and the third portal unit are connected through two pieces of profile steel which are parallel to each other, a first sliding rail and a second sliding rail are respectively arranged at the tops of the two pieces of profile steel, bearing beams are arranged on the first sliding rail and the second sliding rail, and the bottoms of the two ends of each bearing beam are respectively connected with the first sliding rail and the second sliding rail through sliding blocks;
the supporting portal comprises a fourth portal unit and a fifth portal unit which are sequentially arranged from left to right in a transverse direction, the tops of the fourth portal unit and the fifth portal unit are connected through a third slide rail and a fourth slide rail which are parallel to each other, a rotor bearing beam is arranged on the third slide rail and the fourth slide rail, and the bottoms of two ends of the rotor bearing beam are respectively connected with the third slide rail and the fourth slide rail through sliding blocks;
the first portal unit and the second portal unit are arranged on the generator platform, the third portal unit, the fourth portal unit and the fifth portal unit are arranged on the ground, the tops of the first portal unit, the second portal unit and the third portal unit are on the same horizontal plane, the tops of the fourth portal unit and the fifth portal unit are on the same horizontal plane, and one end of the third slide rail and one end of the fourth slide rail penetrate through the third portal unit to be erected on the generator platform.
2. The gantry crane with the pumped rotor for the large power generator as claimed in claim 1, wherein there are two bearing beams, and the two bearing beams are parallel to each other.
3. The gantry of claim 1, wherein the upper portion of the rotor bolster has a concave downward surface.
4. The gantry crane with the pumping rotor for large power generator as claimed in claim 1 or 3, wherein there are at least two said rotor support beams, and the two said rotor support beams are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392281.8U CN216016665U (en) | 2021-09-30 | 2021-09-30 | Large-scale generator rotor gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122392281.8U CN216016665U (en) | 2021-09-30 | 2021-09-30 | Large-scale generator rotor gantry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216016665U true CN216016665U (en) | 2022-03-11 |
Family
ID=80523198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122392281.8U Active CN216016665U (en) | 2021-09-30 | 2021-09-30 | Large-scale generator rotor gantry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216016665U (en) |
-
2021
- 2021-09-30 CN CN202122392281.8U patent/CN216016665U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201250064Y (en) | Front launching nose type bridge girder erection machine for bridge erection | |
| CN102116051A (en) | Layer-by-layer overhanging structure lifting method | |
| CN202219536U (en) | Die holder for assembling steel reinforcement cage of prefabricated box girder | |
| CN216016665U (en) | Large-scale generator rotor gantry | |
| CN217152125U (en) | Generator lateral displacement system and gas turbine combined cycle power plant | |
| CN211775667U (en) | Power transmission line crossing tower assembly high-altitude construction platform | |
| CN208151832U (en) | A kind of top steel box-girder of introversion formula steel case arch rib Integral lifting system | |
| CN201577351U (en) | Greenhouse truss crawler-type lifting erecting equipment | |
| CN216889750U (en) | Detachable movable portal frame for improving hoisting operation safety | |
| CN216549362U (en) | Assembling and hoisting device for components above foundation pit | |
| CN212866926U (en) | Movable supporting beam dismounting device | |
| CN212670638U (en) | Automatic walking type movable formwork suitable for construction of box type pipe gallery partition plate | |
| CN205602927U (en) | Integral type hauler and leading wheel fixing device | |
| CN211110685U (en) | Sectional type special-shaped steel box girder high stability erection device | |
| CN211890804U (en) | Temporary bearing frame for steel reinforcement cage | |
| CN110469126B (en) | Binding trolley for concrete reinforcing steel bars and binding construction method thereof | |
| CN103726449A (en) | Automatic beam placement platform device and construction method of replacing railway beams thereby | |
| CN218174462U (en) | A hoist device for installing promote motor | |
| CN210659321U (en) | Trolley structure for binding concrete reinforcing steel bars | |
| CN210139380U (en) | Heavy motor overhauls translation instrument | |
| CN212425240U (en) | Winch support structure and bridge floor hoisting structure | |
| CN213320994U (en) | Cutting device for marble processing | |
| CN217956914U (en) | Generator is taken out and is worn rotor balance car | |
| CN218508985U (en) | Steam turbine low pressure jar mounting platform | |
| CN218403238U (en) | Good elevator shaft structure of installing additional of stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |