CN212130658U - Double-runner double-speed-regulating mechanism mixed-flow type water turbine device - Google Patents
Double-runner double-speed-regulating mechanism mixed-flow type water turbine device Download PDFInfo
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- CN212130658U CN212130658U CN202020702235.6U CN202020702235U CN212130658U CN 212130658 U CN212130658 U CN 212130658U CN 202020702235 U CN202020702235 U CN 202020702235U CN 212130658 U CN212130658 U CN 212130658U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a double-runner double-speed regulating mechanism mixed-flow type hydraulic turbine device, which comprises a pressure chamber, wherein a hydraulic turbine is installed at the inlet of the pressure chamber, and the outlet of the pressure chamber is connected with a draft tube; the hydraulic turbine includes left hydraulic turbine, right hydraulic turbine, the pressure chamber internal portion is two solitary cavities, is left pressure chamber, right pressure chamber respectively, left pressure chamber import is towards left to at left pressure chamber import installation left hydraulic turbine, left pressure chamber export and draft tube intercommunication, right pressure chamber import is towards right to at right pressure chamber import installation right hydraulic turbine, right pressure chamber export and draft tube intercommunication. The inlet central axis of the left pressure chamber coincides with the inlet central axis of the right pressure chamber, namely, the left water turbine and the right water turbine share the same main shaft. The utility model discloses a two commentaries on classics are arranged, balanced axial force that can be fine, open intake need not the diversion spiral case. The processing difficulty is reduced, and the cost is saved. The double speed regulating mechanisms are arranged, so that the free switching of the single machine and the double machines can be realized. The operation capability and the stability of the water turbine are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of hydroelectric power generation hydraulic turbine technique and specifically relates to a double-runner double-speed-adjusting mechanism mixed flow type hydraulic turbine device.
Background
The mixed-flow water turbine is an important energy conversion device for converting water flow energy into mechanical energy, and is one of important core units for hydroelectric power generation. In the prior art, a water turbine mainly comprises a volute, a draft tube, a water distributor, a single speed regulating mechanism, a rotating wheel, a generator and the like.
(1) It is known that the processing of the volute casing is particularly difficult in the processing process of the water turbine, and the volute casing occupies a great proportion in the processing of the water turbine. Therefore, the development of the mixed-flow water turbine without the volute casing has great significance. The processing difficulty is reduced, and the cost is saved.
(2) In the prior art, the rotating wheel and the speed regulating mechanism are both single rotating wheel and single speed regulating mechanism devices, so that the distribution of a generator set is limited, and the running range of a water turbine is narrow.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two governing mechanism mixed flow hydraulic turbine device of birotor to the defect that prior art exists, arrange through two changeings, balanced axial force that can be fine, open intake need not the diversion spiral case. The processing difficulty is reduced, and the cost is saved. The double speed regulating mechanisms are arranged, so that the free switching of the single machine and the double machines can be realized. The operation capability and the stability of the water turbine are greatly improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mixed flow type water turbine device with double rotating wheels and double speed regulating mechanisms comprises a pressure chamber, wherein a water turbine is installed at the inlet of the pressure chamber, and the outlet of the pressure chamber is connected with a tail water pipe;
the hydraulic turbine includes left hydraulic turbine, right hydraulic turbine, the pressure chamber internal portion is two solitary cavities, is left pressure chamber, right pressure chamber respectively, left pressure chamber import is towards left to at left pressure chamber import installation left hydraulic turbine, left pressure chamber export and draft tube intercommunication, right pressure chamber import is towards right to at right pressure chamber import installation right hydraulic turbine, right pressure chamber export and draft tube intercommunication.
Furthermore, the central axis of the inlet of the left pressure chamber coincides with the central axis of the inlet of the right pressure chamber, that is, the left water turbine and the right water turbine share the same main shaft.
Further, the left hydraulic turbine includes:
the left rotating wheel is arranged at the inlet of the left pressure chamber, and is sleeved on the main shaft;
the left water distributor is arranged on the outward port surface of the left steering wheel shaft;
the tail end of the left speed regulating mechanism is connected with the left water guide mechanism, and the starting end of the left speed regulating mechanism is connected with the left servomotor.
The left bearing part is connected to the outer end face of the left rotating wheel, and the left end of the main shaft is connected with the left bearing part; and the excircle of the left rotating wheel is connected with a supporting piece.
Further, the right hydraulic turbine includes:
the right rotating wheel is arranged at the inlet of the right pressure chamber and is sleeved on the main shaft;
the right water distributor is arranged on the outward port surface of the right steering wheel shaft;
the tail end of the right speed regulating mechanism is connected with the right water guide mechanism, and the starting end of the right speed regulating mechanism is connected with the right servomotor.
Further, still include right bearing part, right bearing part is located right hydraulic turbine right side, and right bearing part suit is on the main shaft, and right bearing part passes through support piece to be connected on the fixing base, and the fixing base left end passes through the link and is connected with the outer terminal surface of right gyro wheel.
Furthermore, the starting end of the main shaft is connected with a driving mechanism.
Compared with the prior art, the utility model following beneficial effect has:
(1) the double-rotation arrangement can well balance the axial force,
(2) open type water inlet does not need a water diversion volute. The processing difficulty is reduced, and the cost is saved.
(3) The double speed regulating mechanisms are arranged, so that the free switching of the single machine and the double machines can be realized. The operation capability and the stability of the water turbine are greatly improved.
Drawings
Fig. 1 is a schematic structural view of the double-runner double-speed-adjusting-mechanism mixed-flow water turbine device of the present invention after installation in practical application;
fig. 2 is an enlarged view of a portion of fig. 1.
In the figure: 1 a left bearing component; 2, a left water distributor; 3, a left speed regulating mechanism; 4, a left rotating wheel; 5 a pressure chamber; 6, a main shaft; 7, a right speed regulating mechanism; 8, a right rotating wheel; 9 a right water distributor; 10 connecting frames; 11 a fixed seat; 12 a right bearing component; 13 a draft tube; 14 support member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution:
a mixed flow type hydraulic turbine device with double rotating wheels and double speed regulating mechanisms comprises a pressure chamber 5, wherein a hydraulic turbine is installed at the inlet of the pressure chamber, and the outlet of the pressure chamber is connected with a tail water pipe 13;
the hydraulic turbine includes left hydraulic turbine, right hydraulic turbine, the pressure chamber internal portion is two solitary cavities, is left pressure chamber, right pressure chamber respectively, left pressure chamber import is towards left to at left pressure chamber import installation left hydraulic turbine, left pressure chamber export and draft tube intercommunication, right pressure chamber import is towards right to at right pressure chamber import installation right hydraulic turbine, right pressure chamber export and draft tube intercommunication. Open type water inlet does not need a water diversion volute. The processing difficulty is reduced, and the cost is saved.
Furthermore, the central axis of the inlet of the left pressure chamber coincides with the central axis of the inlet of the right pressure chamber, that is, the left water turbine and the right water turbine share the same main shaft 6. The double-rotation arrangement can well balance the axial force.
Further, the left hydraulic turbine includes:
the left rotating wheel 4 is arranged at the inlet of the left pressure chamber, and is sleeved on the main shaft at the same time;
the left water distributor 2 is arranged on the outward port surface of the left steering wheel shaft;
and the tail end of the left speed regulating mechanism is connected with the left water guide mechanism, and the starting end of the left speed regulating mechanism is connected with the left servomotor.
The left bearing component 1 is connected to the outer end face of the left rotating wheel, and the left end of the main shaft is connected with the left bearing component, so that the left water turbine can rotate more stably; support piece 14 is connected to left side runner excircle, and when practical application in the pipeline, left water turbine is more firm stable, is difficult for rocking.
Further, the right hydraulic turbine includes:
the right rotating wheel 8 is arranged at the inlet of the right pressure chamber, and is sleeved on the main shaft at the same time;
the right water distributor 9 is arranged on the outward port surface of the right steering wheel shaft;
and the tail end of the right speed regulating mechanism is connected with the right water guide mechanism, and the starting end of the right speed regulating mechanism is connected with the right servomotor.
Further, still include right bearing part 12, right bearing part is located right hydraulic turbine right side, and right bearing part suit is on the main shaft, and right bearing part passes through support piece to be connected on fixing base 11, and the fixing base left end passes through link 10 and is connected with the outer terminal surface of right gyro wheel, makes left hydraulic turbine rotate more stably. When in practical application in the pipeline, left hydraulic turbine is more firm stable, is difficult for rocking. Meanwhile, the fixed seat and the connecting frame are used as sealing pieces to be plugged at the inlet of the main shaft of the pipeline, so that water is prevented from leaking.
Further, the starting end of the main shaft is connected with a driving mechanism, and the driving mechanism can be a motor and the like.
The left bearing component 1, the left water guiding mechanism 2, the left speed regulating mechanism 3 and the left turning wheel 4 form a left water turbine; the left speed regulating mechanism 3 is controlled by a servomotor, and the left water guiding mechanism is controlled by the left speed regulating mechanism.
The right speed regulating mechanism 7, the right rotating wheel 8, the right water distributor 9, the connecting frame 10, the fixed seat 11 and the right bearing component 12 form a right water turbine. The left and right hydraulic turbines are connected to the 5 pressure chambers.
The water flow enters from the inlets of the left and right speed regulating mechanisms. Driving the left and right rotating wheels to rotate. The water flow is discharged from the 13-tail water pipe.
The utility model discloses two commentaries on classics are arranged, balanced axial force that can be fine, open intake need not the diversion spiral case. The processing difficulty is reduced, and the cost is saved. The double speed regulating mechanisms are arranged, so that the free switching of the single machine and the double machines can be realized. The operation capability and the stability of the water turbine are greatly improved.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. For example, various component parts speed governing mechanism, water distributor, servomotor of the hydraulic turbine are the known technology in the field, and the lug connection is used, the core of the utility model lies in that two intake chambers about setting up, a hydraulic turbine is all installed in two intake chamber imports, can open two intakes to solve the defect that the single turbine of prior art exists.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A mixed flow type water turbine device with double rotating wheels and double speed regulating mechanisms comprises a pressure chamber, wherein a water turbine is installed at the inlet of the pressure chamber, and the outlet of the pressure chamber is connected with a tail water pipe;
the hydraulic turbine is characterized by comprising a left hydraulic turbine and a right hydraulic turbine, wherein the inner part of the pressure chamber is provided with two independent cavities which are respectively a left pressure chamber and a right pressure chamber, the inlet of the left pressure chamber faces to the left, the left hydraulic turbine is installed at the inlet of the left pressure chamber, the outlet of the left pressure chamber is communicated with a draft tube, the inlet of the right pressure chamber faces to the right, the right hydraulic turbine is installed at the inlet of the right pressure chamber, and the outlet of the right pressure chamber is communicated with the draft tube.
2. The mixed-flow hydraulic turbine device with the double rotating wheels and the double speed regulating mechanisms according to claim 1, wherein the central axis of the inlet of the left pressure chamber coincides with the central axis of the inlet of the right pressure chamber, i.e., the left hydraulic turbine and the right hydraulic turbine share the same main shaft.
3. The dual-runner dual-speed-regulating-mechanism mixed-flow water turbine device according to claim 2, wherein the left water turbine comprises:
the left rotating wheel is arranged at the inlet of the left pressure chamber, and is sleeved on the main shaft;
the left water distributor is arranged on the outward port surface of the left steering wheel shaft;
the tail end of the left speed regulating mechanism is connected with the left water guide mechanism, and the starting end of the left speed regulating mechanism is connected with the left servomotor.
4. The double-runner double-speed-regulating-mechanism mixed-flow water turbine device of claim 3, further comprising a left bearing part, wherein the left bearing part is connected to the outer end face of the left runner, and the left end of the main shaft is connected with the left bearing part; and the excircle of the left rotating wheel is connected with a supporting piece.
5. The dual-runner dual-speed-regulating-mechanism mixed-flow water turbine device according to claim 2, wherein the right water turbine comprises:
the right rotating wheel is arranged at the inlet of the right pressure chamber and is sleeved on the main shaft;
the right water distributor is arranged on the outward port surface of the right steering wheel shaft;
the tail end of the right speed regulating mechanism is connected with the right water guide mechanism, and the starting end of the right speed regulating mechanism is connected with the right servomotor.
6. The mixed-flow water turbine device with the double rotating wheels and the double speed regulating mechanisms according to claim 5, further comprising a right bearing component, wherein the right bearing component is located on the right side of the right water turbine, the right bearing component is sleeved on the main shaft, the right bearing component is connected to the fixed seat through a supporting piece, and the left end of the fixed seat is connected with the outer end face of the right rotating wheel through a connecting frame.
7. The mixed flow type water turbine device with the double rotating wheels and the double speed regulating mechanisms as claimed in claim 2, 4 or 6, wherein the starting end of the main shaft is connected with the driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020702235.6U CN212130658U (en) | 2020-04-30 | 2020-04-30 | Double-runner double-speed-regulating mechanism mixed-flow type water turbine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020702235.6U CN212130658U (en) | 2020-04-30 | 2020-04-30 | Double-runner double-speed-regulating mechanism mixed-flow type water turbine device |
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| Publication Number | Publication Date |
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| CN212130658U true CN212130658U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020702235.6U Active CN212130658U (en) | 2020-04-30 | 2020-04-30 | Double-runner double-speed-regulating mechanism mixed-flow type water turbine device |
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| CN (1) | CN212130658U (en) |
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2020
- 2020-04-30 CN CN202020702235.6U patent/CN212130658U/en active Active
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