CN209675684U - The improvement structure of tubular hydropower generator main lead - Google Patents
The improvement structure of tubular hydropower generator main lead Download PDFInfo
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- CN209675684U CN209675684U CN201920371409.2U CN201920371409U CN209675684U CN 209675684 U CN209675684 U CN 209675684U CN 201920371409 U CN201920371409 U CN 201920371409U CN 209675684 U CN209675684 U CN 209675684U
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Abstract
The utility model 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.The lead-out wire of the utility model 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
Technical field
The utility model relates to the generating equipment mounting technique field in tubular power station more particularly to a kind of tubular water
The improvement structure of power station 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.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide one to solve technical problem present in well-known technique
The improvement structure of the tubular hydropower generator main lead of kind.
The utility model solves technical solution used by above-mentioned technical problem: a kind of tubular hydropower station owner
The improvement structure of lead-out wire offers a reserved bus groove between hydraulic turbine vertical shaft and generator hanging object hole, described reserved
Current transformer and mounting seat are installed, the mounting seat is fixed on reserved bus duct by tube expansion bolt in bus groove
In groove bottom, 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
It leads to generator hanging object hole side after current transformer to be connected with bus, the outside of the power cable is provided with protective net, institute
Reserved bus the top of the groove is stated 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.
Utility model has the advantages that
The utility model is drawn by offering a reserved bus groove between hydraulic turbine vertical shaft and generator hanging object hole
Outlet leads to the clearing in generator hanging object hole from the small space of hydraulic turbine vertical shaft side, increases electrical primary wiring and sets
Space is counted, shortens bus connection distance, and be convenient for equipment installation and removal, and with reserved bus groove instead of high pressure
Power distribution cabinet had not only ensured safety but also had reduced cost.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it 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 utility model.
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
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are 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 " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present 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 utility model between hydraulic turbine vertical shaft 13 and generator hanging object hole 11 by offering a reserved bus duct
Slot 12, copper bar 6 lead to the clearing in generator hanging object hole 11 from the small space of 13 side of hydraulic turbine vertical shaft, increase electrical
Primary connection design space shortens bus connection distance, and is convenient for equipment installation and removal, and to reserve bus groove 12
Instead of high voltage power distributing cabinet, safety was not only ensured but also had reduced cost.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371409.2U CN209675684U (en) | 2019-03-22 | 2019-03-22 | The improvement structure of tubular hydropower generator main lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371409.2U CN209675684U (en) | 2019-03-22 | 2019-03-22 | The improvement structure of tubular hydropower generator main lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675684U true CN209675684U (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920371409.2U Active CN209675684U (en) | 2019-03-22 | 2019-03-22 | The improvement structure of tubular hydropower generator main lead |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742652A (en) * | 2019-03-22 | 2019-05-10 | 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 |
-
2019
- 2019-03-22 CN CN201920371409.2U patent/CN209675684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742652A (en) * | 2019-03-22 | 2019-05-10 | 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 |
| CN109742652B (en) * | 2019-03-22 | 2024-03-12 | 天津市天发重型水电设备制造有限公司 | Improved structure of main outgoing line of through-flow hydropower station generator |
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