CN109742652A - The improvement structure of tubular hydropower generator main lead - Google Patents

The improvement structure of tubular hydropower generator main lead Download PDF

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Publication number
CN109742652A
CN109742652A CN201910222299.8A CN201910222299A CN109742652A CN 109742652 A CN109742652 A CN 109742652A CN 201910222299 A CN201910222299 A CN 201910222299A CN 109742652 A CN109742652 A CN 109742652A
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China
Prior art keywords
power cable
reserved bus
groove
bus
vertical shaft
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Application number
CN201910222299.8A
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Chinese (zh)
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CN109742652B (en
Inventor
董海涛
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Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
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Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
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Priority to CN201910222299.8A priority Critical patent/CN109742652B/en
Publication of CN109742652A publication Critical patent/CN109742652A/en
Application granted granted Critical
Publication of CN109742652B publication Critical patent/CN109742652B/en
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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The invention discloses a kind of improvement structures of tubular hydropower generator main lead, a reserved bus groove is offered between hydraulic turbine vertical shaft and generator hanging object hole, current transformer and mounting seat are installed in the reserved bus groove, the mounting seat is fixed in reserved bus trench bottom surfaces by tube expansion bolt, the stator copper bar being equipped in the hydraulic turbine vertical shaft is drawn upwards by power cable, the outside of the power cable is provided with protective net, and the reserved bus the top of the groove is equipped with Prefabricated Concrete cover board.Lead-out wire of the invention leads to the clearing in generator hanging object hole from the small space of hydraulic turbine vertical shaft side, increases electrical primary wiring design space, shortens bus connection distance, and be convenient for equipment installation and removal;With reserved bus groove instead of high voltage power distributing cabinet, not only ensures safety but also reduce cost.

Description

The improvement structure of tubular hydropower generator main lead
Technical field
The present invention relates to the generating equipment mounting technique field in tubular power station more particularly to a kind of tubular power stations The improvement structure of generator main lead.
Background technique
Tubular hydropower generator main lead guides downstream side by bulb inner stator copper bar, then perpendicular from the hydraulic turbine Well leads to ground, and lead-out wire is connect by high voltage power distributing cabinet with bus, and setting current transformer is needed in the power distribution cabinet body.It is this Outlet method has an apparent defect: first, main lead and its accessory occupy certain plant area, increase electrical bus Arrangement difficulty.Second, a high voltage power distributing cabinet is needed for installing copper bar and current transformer, and high-tension apparatus is mounted on power station It is both dangerous or unsightly on the ground of firing floor, and increase equipment cost.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is provide one kind to solve technical problem present in well-known technique and pass through The improvement structure of streaming hydropower generator main lead.
The technical proposal adopted by the invention to solve the above technical problems is that: a kind of tubular hydropower station owner extraction The improvement structure of line offers a reserved bus groove, the reserved bus between hydraulic turbine vertical shaft and generator hanging object hole Current transformer and mounting seat are installed, the mounting seat is fixed on reserved bus trench bottom by tube expansion bolt in groove On face, the stator copper bar being equipped in the hydraulic turbine vertical shaft is drawn upwards by power cable, and the stator copper bar passes through electric current It leads to generator hanging object hole side after mutual inductor to be connected with bus, the outside of the power cable is provided with protective net, described pre- Bus the top of the groove is stayed to be equipped with Prefabricated Concrete cover board.
Further, the length of the reserved bus groove is identical as the thickness of wall.
Further, the current transformer is bus-type current transformer.
Further, the stator copper bar is drawn from hydraulic turbine vertical shaft upwards by power cable, the power cable and fixed Sub- copper bar is fixedly connected, and the power cable is fixed by several wire clamps.
Further, it is provided with shutter at the import and export position of the reserved bus groove, the material of the shutter is 3mm thickness epoxy resin bonded fiber.
The present invention has the advantages that
The present invention between hydraulic turbine vertical shaft and generator hanging object hole by offering a reserved bus groove, lead-out wire The clearing in generator hanging object hole is led to from the small space of hydraulic turbine vertical shaft side, it is empty to increase electrical primary wiring design Between, bus connection distance is shortened, and be convenient for equipment installation and removal, and with reserved bus groove instead of high voltage power distribution Cabinet had not only ensured safety but also had reduced cost.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the improvement structure of the tubular hydropower generator main lead of the present invention.
Wherein: 1, power cable, 2, wire clamp, 3, protective net, 4, mounting seat, 5, current transformer, 6, copper bar, 7, block Plate, 8, Prefabricated Concrete cover board, 9, stator, 10, stator copper bar, 11, generator hanging object hole, 12, reserved bus groove, 13, the hydraulic turbine Vertical shaft.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
As shown in Figure 1, a kind of improvement structure of tubular hydropower generator main lead, hydraulic turbine vertical shaft 13 and power generation A reserved bus groove 12 is offered between machine hanging object hole 11, the reserved about 1m of bus groove 12 is deep and perpendicular with the hydraulic turbine For well 13 with width, the length of the reserved bus groove 12 is identical as the thickness of wall, is equipped in the reserved bus groove 12 Current transformer 5 and mounting seat 4, the current transformer 5 are bus-type current transformer, and the mounting seat 4 is angle steel Weldment is fixed on reserved 12 bottom surface of bus groove by tube expansion bolt, and there are mutual inductor secondary lead wire to draw for mounting seat 4 Space out, in order to equipment debugging, the stator copper bar 10 for the stator 9 being equipped in the hydraulic turbine vertical shaft 13 passes through power cable 1 Draw upwards, the stator copper bar 10 is drawn by power cable 1 from hydraulic turbine vertical shaft 13 upwards, the power cable 1 with it is fixed Sub- copper bar 10 is fixedly connected, and the power cable 1 is fixed by several wire clamps 2, and the stator copper bar 10 passes through current transformer 5 After lead to 11 side of generator hanging object hole and be connected with bus, the outside of the power cable 1 is provided with protective net 3, to guarantee machine The safety of personnel during running is organized, is provided with shutter 7 at the import and export position of the reserved bus groove 12, it is described to block The material of plate 7 is 3mm thickness epoxy resin bonded fiber, shutter 7 can extemporaneous preparation according to the actual situation, it is solid with tube expansion bolt and basis It is fixed, be equipped with Prefabricated Concrete cover board 8 at the top of the reserved bus groove 12, Prefabricated Concrete cover board 8 can be required according to power station whole design by Unit in charge of construction's production makes every effort to beautiful.
The present invention by offering a reserved bus groove 12 between hydraulic turbine vertical shaft 13 and generator hanging object hole 11, Copper bar 6 leads to the clearing in generator hanging object hole 11 from the small space of 13 side of hydraulic turbine vertical shaft, increases electrical primary Wiring design space shortens bus connection distance, and is convenient for equipment installation and removal, and is substituted with reserved bus groove 12 High voltage power distributing cabinet had not only ensured safety but also had reduced cost.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (5)

1. the improvement structure of tubular hydropower generator main lead, which is characterized in that hydraulic turbine vertical shaft and generator hanging object A reserved bus groove is offered between hole, current transformer and mounting seat is installed in the reserved bus groove, institute It states mounting seat to be fixed in reserved bus trench bottom surfaces by tube expansion bolt, the stator copper bar being equipped in the hydraulic turbine vertical shaft It is drawn upwards by power cable, the stator copper bar leads to generator hanging object hole side and bus phase after passing through current transformer Even, the outside of the power cable is provided with protective net, and the reserved bus the top of the groove is equipped with Prefabricated Concrete cover board.
2. the improvement structure of tubular hydropower generator main lead according to claim 1, which is characterized in that described The length of reserved bus groove is identical as the thickness of wall.
3. the improvement structure of tubular hydropower generator main lead according to claim 1, which is characterized in that described Current transformer is bus-type current transformer.
4. the improvement structure of tubular hydropower generator main lead according to claim 1, which is characterized in that described Stator copper bar is drawn by power cable from hydraulic turbine vertical shaft upwards, and the power cable is fixedly connected with stator copper bar, described Power cable is fixed by several wire clamps.
5. the improvement structure of tubular hydropower generator main lead according to claim 1, which is characterized in that described Shutter is provided at the import and export position of reserved bus groove, the material of the shutter is 3mm thickness epoxy resin bonded fiber.
CN201910222299.8A 2019-03-22 2019-03-22 Improved structure of main outgoing line of through-flow hydropower station generator Active CN109742652B (en)

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CN201910222299.8A CN109742652B (en) 2019-03-22 2019-03-22 Improved structure of main outgoing line of through-flow hydropower station generator

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Application Number Priority Date Filing Date Title
CN201910222299.8A CN109742652B (en) 2019-03-22 2019-03-22 Improved structure of main outgoing line of through-flow hydropower station generator

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CN109742652B CN109742652B (en) 2024-03-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110233467A (en) * 2019-07-08 2019-09-13 贵州水利水电职业技术学院 A kind of tubular hydropower generator main lead improvement mechanism

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1220042A (en) * 1996-05-29 1999-06-16 Abb阿西亚布朗·勃法瑞公司 Hydroelectric power generating equipment
CN204225062U (en) * 2014-11-17 2015-03-25 中国电建集团成都勘测设计研究院有限公司 The inner gallery structure of bulb turbine hydropower station factory building
US20170284360A1 (en) * 2014-10-01 2017-10-05 Frederick J. Jessamy Hydroelectric power generator system and method
CN207353835U (en) * 2017-10-27 2018-05-11 国电大渡河瀑布沟发电有限公司 A kind of 500KV breaker arc protection devices based on power station hole formula mill construction
US20180202416A1 (en) * 2015-08-25 2018-07-19 Viktor Ivanovich Krivchikov Damless hydroelectric power plant
CN108683082A (en) * 2018-06-22 2018-10-19 黄河勘测规划设计有限公司 Power station at dam toe's outlet method for arranging
CN209675684U (en) * 2019-03-22 2019-11-22 天津市天发重型水电设备制造有限公司 The improvement structure of tubular hydropower generator main lead

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1220042A (en) * 1996-05-29 1999-06-16 Abb阿西亚布朗·勃法瑞公司 Hydroelectric power generating equipment
US20170284360A1 (en) * 2014-10-01 2017-10-05 Frederick J. Jessamy Hydroelectric power generator system and method
CN204225062U (en) * 2014-11-17 2015-03-25 中国电建集团成都勘测设计研究院有限公司 The inner gallery structure of bulb turbine hydropower station factory building
US20180202416A1 (en) * 2015-08-25 2018-07-19 Viktor Ivanovich Krivchikov Damless hydroelectric power plant
CN207353835U (en) * 2017-10-27 2018-05-11 国电大渡河瀑布沟发电有限公司 A kind of 500KV breaker arc protection devices based on power station hole formula mill construction
CN108683082A (en) * 2018-06-22 2018-10-19 黄河勘测规划设计有限公司 Power station at dam toe's outlet method for arranging
CN209675684U (en) * 2019-03-22 2019-11-22 天津市天发重型水电设备制造有限公司 The improvement structure of tubular hydropower generator main lead

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110233467A (en) * 2019-07-08 2019-09-13 贵州水利水电职业技术学院 A kind of tubular hydropower generator main lead improvement mechanism

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