CN219888181U - Water turbine guide vane protection device - Google Patents
Water turbine guide vane protection device Download PDFInfo
- Publication number
- CN219888181U CN219888181U CN202321057021.8U CN202321057021U CN219888181U CN 219888181 U CN219888181 U CN 219888181U CN 202321057021 U CN202321057021 U CN 202321057021U CN 219888181 U CN219888181 U CN 219888181U
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- CN
- China
- Prior art keywords
- guide vane
- top cover
- main body
- bottom ring
- shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims 8
- 238000000034 method Methods 0.000 abstract description 11
- 239000002360 explosive Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model provides a water turbine guide vane protection device, which belongs to the field of water turbine auxiliary equipment and aims to solve the problems that after the existing water turbine works for a long time, a connecting part of the existing water turbine is easy to loosen, so that a top cover and a bottom ring generate offset and clearance, the balance of the pressure applied by a guide vane shaft up and down is reduced, and the locking fault of the guide vane is easy to cause, and the water turbine guide vane protection device comprises: the top cover is of an annular structure, and a bottom ring is arranged below the top cover; the center of the top cover is provided with a mounting seat; the mounting seat is provided with a main shaft; the top of the top cover is provided with a control ring; a guide vane main body is arranged between the top cover and the bottom ring. According to the utility model, the top cover and the bottom ring are kept balanced through the first compression springs at two sides, so that the balance of the pressure applied to the guide vane main body up and down is improved, the gap change is avoided to enable the guide vane main body to be extruded, the guide vane main body can rotate more stably in the flow control process, and the guide vane main body is ensured to normally operate in a controllable range.
Description
Technical Field
The utility model belongs to the field of auxiliary equipment of water turbines, and particularly relates to a guide vane protection device of a water turbine.
Background
Currently, most of water turbines are installed inside to drive power generation. In a hydropower station, water in the hydropower station is guided to a water turbine through a water guide pipe to push and rotate so as to drive a generator to generate electricity. The water turbine guide vane can enable water to form a ring shape, the opening of the guide vane controls the excessive flow of the water turbine, namely the load of the generator, so that whether the guide vane can work normally or not has an important effect.
After the existing water turbine works for a long time, the connecting part of the existing water turbine is easy to loosen, so that the top cover and the bottom ring generate offset and gaps, the balance of the pressure applied to the guide vane shaft up and down is reduced, the guide vane locking fault is easy to be caused, moreover, a large amount of sediment contained in river water is easy to erode the guide vane shaft sleeve, the guide vane shaft sleeve connecting mode is complex, the loading and unloading process can consume a long time, and the working efficiency of operation and maintenance personnel is greatly reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a guide vane protection device of a water turbine, which aims to solve the problems that after the existing water turbine works for a long time, connecting parts of the existing water turbine are easy to loosen, so that a top cover and a bottom ring generate offset and gaps, the balance of the pressure applied to the upper part and the lower part of a guide vane shaft is reduced, and the locking fault of the guide vane is easy to be caused.
The utility model discloses a water turbine guide vane protection device, which aims at achieving the following specific technical means:
a turbine vane protection device comprising: the top cover is of an annular structure, and a bottom ring is arranged below the top cover; the center of the top cover is provided with a mounting seat; the mounting seat is provided with a main shaft; the top of the top cover is provided with a control ring, and the periphery of the control ring is rotatably provided with a control connecting rod through a pin shaft; a guide vane main body is arranged between the top cover and the bottom ring, and the guide vane main bodies are distributed in an annular array mode; the top cover is provided with a rotating sleeve, and the rotating sleeve is matched with the guide vane main body in position; the top of the rotating sleeve is provided with a positioning frame which is fixedly arranged on the top cover; the locating rack is provided with a control clamping plate; the bottom of the bottom ring is provided with a draft tube.
Further, the top cap outer peripheral face is equipped with two link, and two link are symmetrical mode distribution, and the link tip is equipped with the spacing, and the spacing is vertical state distribution, and two limit is equipped with two limit chute relatively inboard.
Further, the outer peripheral surface of the bottom ring is provided with two support frames, two limit sliding blocks are arranged on the outer sides of the two support frames relatively, the top of the support frame is provided with a limit screw, a first compression spring is sleeved on the limit screw, a lower bearing is arranged on the bottom ring, the lower bearing is matched with the position of the guide vane main body, the support frame is in sliding connection with a limit sliding groove of the limit frame through the limit sliding blocks, the limit screw penetrates through the connecting frame and is controlled by locking of a hand wheel, and the first compression spring is supported between the connecting frame and the support frame.
Further, a guide bearing is arranged on the mounting seat, the main shaft is rotationally connected with the mounting seat through the guide bearing, and a sealing ring is arranged at the bottom of the mounting seat.
Further, the bottom end of the main shaft is provided with a rotating wheel, the rotating wheel is provided with fan blades, and the fan blades are distributed in an annular array mode.
Further, the bottom of the guide vane main body is provided with a guide vane lower shaft, the guide vane lower shaft is rotationally connected with the bottom ring through a lower bearing, the top of the guide vane main body is provided with a guide vane upper shaft, the guide vane upper shaft is rotationally installed in the rotating sleeve, the top end of the guide vane upper shaft is provided with a guide vane connecting rod, and the guide vane connecting rod is rotationally connected with a control connecting rod of the control ring through a pin shaft.
Furthermore, the rotating sleeve is of a cylindrical through cavity structure, and a positioning clamping groove is formed in the peripheral surface of the rotating sleeve close to the top end.
Further, the locating rack is equipped with two location jacks, and locating rack one side is equipped with the connection bolt pole, and connects the bolt pole to be located between two location jacks, connects the cover on the bolt pole and is equipped with the second compression spring, runs through on the connection bolt pole and has the gag lever post, and the second compression spring supports between locating rack and gag lever post to through nut locking control.
Further, control cardboard one side is equipped with two location inserted bars, and two location inserted bars are the symmetry mode and distribute, and the location inserted bar leans on tip position to be equipped with spacing logical groove, and when rotating sleeve and locating rack and control cardboard were connected state, the rotating sleeve runs through the locating rack, and the location inserted bar slides and inserts in the location jack to location inserted bar and location draw-in groove, the gag lever post sets up in spacing logical inslot moreover.
The beneficial effects are that:
1. the device is provided with the connecting frame and the supporting frame, so that the top cover and the bottom ring are kept balanced through the first compression springs at two sides, the balance of applying pressure to the guide vane main body up and down is improved, the gap change is avoided, the guide vane main body is extruded, the guide vane main body can rotate more stably in the flow control process, and the guide vane main body is ensured to normally operate in a controllable range.
2. When rotating sleeve and locating rack and control cardboard and being connected state, rotate the sleeve and run through the locating rack, and the location inserted bar is smooth to be inserted in the location jack to location inserted bar and location draw-in groove, the gag lever post sets up in spacing logical inslot moreover, from this, it is nimble convenient with the dismantlement process that the rotation sleeve of this device installs, in the whole assembly process, need not to connect the control through a large amount of bolts and instrument, makes things convenient for the staff later stage to change and maintain the rotation sleeve.
Drawings
Fig. 1 is a schematic view of a cross-sectional view structure of the present utility model.
Fig. 2 is a schematic view of the explosive state structure of the present utility model drawn from fig. 1.
Fig. 3 is a schematic view of the top cover of the present utility model from the bottom view.
FIG. 4 is a schematic top view of the bottom ring of the present utility model.
Fig. 5 is a schematic view of the explosive state structure of the rotating sleeve and the positioning frame and the top cover of the present utility model.
FIG. 6 is a schematic view of the explosive state structure of the rotating sleeve, the locating rack and the control clamping plate of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a top cover; 101. a connecting frame; 102. a limiting frame; 103. limiting sliding grooves; 2. a bottom ring; 201. a support frame; 202. a limit sliding block; 203. a limit screw; 204. a first compression spring; 205. a lower bearing; 3. a mounting base; 301. a guide bearing; 302. a seal ring; 4. a main shaft; 401. a rotating wheel; 402. a fan blade; 5. a control loop; 6. a vane body; 601. a guide vane lower shaft; 602. a guide vane upper shaft; 603. a guide vane connecting rod; 7. rotating the sleeve; 701. positioning clamping grooves; 8. a positioning frame; 801. positioning the jack; 802. a connecting bolt; 803. a second compression spring; 804. a limit rod; 9. a control clamping plate; 901. positioning the inserted link; 902. limiting through grooves; 10. a draft tube.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples: as shown in fig. 1 to 6:
the utility model provides a water turbine guide vane protection device, comprising: the top cover 1 is of an annular structure, and a bottom ring 2 is arranged below the top cover 1; the center of the top cover 1 is provided with a mounting seat 3; the mounting seat 3 is provided with a main shaft 4; the top of the top cover 1 is provided with a control ring 5, and the periphery of the control ring 5 is rotatably provided with a control connecting rod through a pin shaft; a guide vane main body 6 is arranged between the top cover 1 and the bottom ring 2, and the guide vane main bodies 6 are distributed in an annular array mode; the top cover 1 is provided with a rotating sleeve 7, and the rotating sleeve 7 is matched with the guide vane main body 6 in position; the top of the rotating sleeve 7 is provided with a positioning frame 8, and the positioning frame 8 is fixedly arranged on the top cover 1; the locating rack 8 is provided with a control clamping plate 9; the bottom of the bottom ring 2 is provided with a draft tube 10; the mounting seat 3 is provided with a guide bearing 301, the main shaft 4 is rotationally connected with the mounting seat 3 through the guide bearing 301, and the bottom of the mounting seat 3 is provided with a sealing ring 302; the bottom end of the main shaft 4 is provided with a rotating wheel 401, the rotating wheel 401 is provided with fan blades 402, and the fan blades 402 are distributed in an annular array mode.
Wherein, top cap 1 outer peripheral face is equipped with two link 101, and two link 101 are the symmetry mode and distribute, and link 101 tip is equipped with spacing 102, and spacing 102 is vertical state and distributes, and two relative inboard of spacing 102 all are equipped with two spacing spouts 103.
The outer peripheral surface of the bottom ring 2 is provided with two supporting frames 201, two limiting sliding blocks 202 are respectively arranged on the outer sides of the two supporting frames 201 relatively, a limiting screw 203 is arranged at the top of the supporting frames 201, a first compression spring 204 is sleeved on the limiting screw 203, a lower bearing 205 is arranged on the bottom ring 2, the lower bearing 205 is matched with the position of the guide vane main body 6, the supporting frames 201 are slidably connected with the limiting sliding grooves 103 of the limiting frames 102 through the limiting sliding blocks 202, the limiting screw 203 penetrates through the connecting frames 101 and is controlled through hand wheel locking, the first compression spring 204 is supported between the connecting frames 101 and the supporting frames 201, the connecting frames 101 and the supporting frames 201 are arranged in the device, the top cover 1 and the bottom ring 2 are kept balanced through the first compression springs 204 on the two sides, the balance of applying pressure on the guide vane main body 6 up and down is improved, the pressure is prevented from being extruded due to gap change, the guide vane main body 6 can rotate more stably in the process of controlling flow, and the guide vane main body 6 is ensured to normally operate in a controllable range.
The bottom of the guide vane main body 6 is provided with a guide vane lower shaft 601, the guide vane lower shaft 601 is rotationally connected with the bottom ring 2 through a lower bearing 205, the top of the guide vane main body 6 is provided with a guide vane upper shaft 602, the guide vane upper shaft 602 is rotationally installed in the rotating sleeve 7, the top of the guide vane upper shaft 602 is provided with a guide vane connecting rod 603, and the guide vane connecting rod 603 is rotationally connected with a control connecting rod of the control ring 5 through a pin shaft;
the rotating sleeve 7 is of a cylindrical through cavity structure, and a positioning clamping groove 701 is formed in the peripheral surface of the rotating sleeve 7 close to the top end;
the positioning frame 8 is provided with two positioning jacks 801, one side of the positioning frame 8 is provided with a connecting bolt 802, the connecting bolt 802 is positioned between the two positioning jacks 801, the connecting bolt 802 is sleeved with a second compression spring 803, the connecting bolt 802 is penetrated with a limiting rod 804, and the second compression spring 803 is supported between the positioning frame 8 and the limiting rod 804 and is controlled by locking a nut;
the control cardboard 9 one side is equipped with two location inserted bars 901, and two location inserted bars 901 are the symmetry mode and distribute, location inserted bar 901 is equipped with spacing logical groove 902 by tip position, when rotating sleeve 7 is connected state with locating rack 8 and control cardboard 9, rotate sleeve 7 and run through locating rack 8, and location inserted bar 901 is smooth to be inserted in location jack 801, and location inserted bar 901 and positioning card groove 701, and gag lever post 804 sets up in spacing logical inslot 902, therefore, it is nimble convenient with the dismantlement process to see that the rotation sleeve 7 of this device installs, whole assembly process, need not to connect the control through a large amount of bolts and instrument, make things convenient for the staff later stage to change and maintain rotation sleeve 7.
Specific use and action of the embodiment:
according to the utility model, the connecting frame 101 and the supporting frame 201 are arranged, so that the balance between the top cover 1 and the bottom ring 2 is kept through the first compression springs 204 at two sides, the balance of the pressure applied to the guide vane main body 6 up and down is improved, the gap change is avoided, the guide vane main body 6 can rotate more stably in the flow control process, and the guide vane main body 6 can normally operate in a controllable range; when rotating sleeve 7 is connected with locating rack 8 and control cardboard 9, rotate sleeve 7 and run through locating rack 8, and location inserted bar 901 smooth insert in location jack 801 to location inserted bar 901 and location draw-in groove 701, gag lever post 804 sets up in spacing logical inslot 902, and it is nimble convenient from this, and the rotation sleeve 7 installation of this device is convenient with the dismantlement process, need not to connect the control through a large amount of bolts and instrument in the whole assembly process, makes things convenient for the staff later stage to change and maintain rotating sleeve 7.
Claims (9)
1. The utility model provides a hydraulic turbine stator protection device which characterized in that: a turbine vane protection device comprising: the top cover (1), the top cover (1) is of an annular structure, and a bottom ring (2) is arranged below the top cover (1); the center of the top cover (1) is provided with a mounting seat (3); a main shaft (4) is arranged on the mounting seat (3); the top of the top cover (1) is provided with a control ring (5), and a control connecting rod is rotatably arranged on the periphery of the control ring (5) through a pin shaft; a guide vane main body (6) is arranged between the top cover (1) and the bottom ring (2), and the guide vane main bodies (6) are distributed in an annular array mode; a rotating sleeve (7) is arranged on the top cover (1), and the rotating sleeve (7) is matched with the guide vane main body (6) in position; the top of the rotating sleeve (7) is provided with a positioning frame (8), and the positioning frame (8) is fixedly arranged on the top cover (1); a control clamping plate (9) is arranged on the positioning frame (8); the bottom of the bottom ring (2) is provided with a draft tube (10).
2. The turbine vane protector of claim 1, wherein: the top cover (1) outer peripheral face is equipped with two link (101), and two link (101) are symmetrical mode distribution, and link (101) tip is equipped with spacing (102), and spacing (102) are vertical state distribution, and two limit (102) are equipped with two limit runner (103) relatively inboard.
3. The turbine vane protector of claim 1, wherein: the outer peripheral surface of the bottom ring (2) is provided with two supporting frames (201), two limiting sliding blocks (202) are arranged on the outer sides of the two supporting frames (201) relatively, a limiting screw (203) is arranged at the top of the supporting frame (201), a first compression spring (204) is sleeved on the limiting screw (203), a lower bearing (205) is arranged on the bottom ring (2), the lower bearing (205) is matched with the position of the guide vane main body (6), the supporting frame (201) is in sliding connection with a limiting sliding groove (103) of the limiting frame (102) through the limiting sliding blocks (202), the limiting screw (203) penetrates through the connecting frame (101) and is controlled through hand wheel locking, and the first compression spring (204) is supported between the connecting frame (101) and the supporting frame (201).
4. The turbine vane protector of claim 1, wherein: the mounting seat (3) is provided with a guide bearing (301), the main shaft (4) is rotationally connected with the mounting seat (3) through the guide bearing (301), and the bottom of the mounting seat (3) is provided with a sealing ring (302).
5. The turbine vane protector of claim 1, wherein: the bottom end of the main shaft (4) is provided with a rotating wheel (401), the rotating wheel (401) is provided with fan blades (402), and the fan blades (402) are distributed in an annular array mode.
6. The turbine vane protector of claim 1, wherein: the guide vane is characterized in that a guide vane lower shaft (601) is arranged at the bottom of the guide vane main body (6), the guide vane lower shaft (601) is rotationally connected with the bottom ring (2) through a lower bearing (205), a guide vane upper shaft (602) is arranged at the top of the guide vane main body (6), the guide vane upper shaft (602) is rotationally arranged in a rotating sleeve (7), a guide vane connecting rod (603) is arranged at the top end of the guide vane upper shaft (602), and the guide vane connecting rod (603) is rotationally connected with a control connecting rod of the control ring (5) through a pin shaft.
7. The turbine vane protector of claim 1, wherein: the rotary sleeve (7) is of a cylindrical through cavity structure, and a positioning clamping groove (701) is formed in the peripheral surface of the rotary sleeve (7) close to the top end.
8. The turbine vane protector of claim 1, wherein: the locating rack (8) is equipped with two location jacks (801), and locating rack (8) one side is equipped with connecting bolt pole (802), and connects bolt pole (802) to be located between two location jacks (801), and the cover is equipped with second compression spring (803) on connecting bolt pole (802), runs through on connecting bolt pole (802) has gag lever post (804), and second compression spring (803) support between locating rack (8) and gag lever post (804) to through nut locking control.
9. The turbine vane protector of claim 1, wherein: control cardboard (9) one side is equipped with two location inserted bars (901), and two location inserted bars (901) are the symmetry mode and distribute, and location inserted bar (901) are equipped with spacing logical groove (902) by tip position, and when rotating sleeve (7) and locating rack (8) and control cardboard (9) are connected state, rotating sleeve (7) run through locating rack (8), and location inserted bar (901) slip is inserted in location jack (801) to location inserted bar (901) and location draw-in groove (701), and gag lever post (804) set up in spacing logical inslot (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057021.8U CN219888181U (en) | 2023-05-06 | 2023-05-06 | Water turbine guide vane protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057021.8U CN219888181U (en) | 2023-05-06 | 2023-05-06 | Water turbine guide vane protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888181U true CN219888181U (en) | 2023-10-24 |
Family
ID=88402157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321057021.8U Active CN219888181U (en) | 2023-05-06 | 2023-05-06 | Water turbine guide vane protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888181U (en) |
-
2023
- 2023-05-06 CN CN202321057021.8U patent/CN219888181U/en active Active
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