CN220869560U - Safety protection device for water guide mechanism of water turbine - Google Patents
Safety protection device for water guide mechanism of water turbine Download PDFInfo
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- CN220869560U CN220869560U CN202322804394.3U CN202322804394U CN220869560U CN 220869560 U CN220869560 U CN 220869560U CN 202322804394 U CN202322804394 U CN 202322804394U CN 220869560 U CN220869560 U CN 220869560U
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- connecting plate
- protection device
- safety protection
- guide mechanism
- supporting
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a safety protection device of a water turbine water guide mechanism, which relates to the technical field of water turbine water guide mechanisms and comprises a connecting plate, wherein a guide vane arm is arranged in the middle of the connecting plate; the utility model provides a safety protection device of hydraulic turbine water guide mechanism, through alarm component's setting, when breaking the middle part disconnection of round pin, make the stator arm drive the trigger lever and rotate, make the trigger lever contact with supporting switch's detection end, under the effect of backup pad, make the movable block remove along the inside of movable groove, drive supporting spring simultaneously and compress, when reaching the terminal point until supporting spring's motion track, thereby play the buffering effect, simultaneously when supporting switch detects the extrusion of trigger lever, synchronous feedback is to external control ware, thereby report to the police, remind the staff to handle in time, and then improve water guide mechanism's security.
Description
Technical Field
The utility model relates to the technical field of water turbine water guide mechanisms, in particular to a safety protection device of a water turbine water guide mechanism.
Background
The water guide mechanism of the water turbine is provided with a protection device, and the protection device has the functions that when foreign matters are blocked in the closing process of the guide vanes, a guide vane blocking alarm signal can be sent out, and meanwhile, the operation of other guide vanes can not be damaged;
The protection device of the water guide mechanism of the existing water turbine mainly adopts an elastic connecting rod device, the elastic connecting rod device utilizes the elasticity of a spring, and as the spring is a deformation piece, whether blockage occurs between guide vanes or not can not be judged in time in the breaking process, so the utility model provides the safety protection device of the water guide mechanism of the water turbine.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a safety protection device of a water guide mechanism of a water turbine, and solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the safety protection device of the water guide mechanism of the water turbine comprises a connecting plate, wherein a guide vane arm is arranged in the middle of the connecting plate, a connecting bolt is arranged on the outer side of the connecting plate, a lug is arranged at the bottom of the connecting plate, and a breaking pin and an alarm assembly are arranged at the joint of the connecting plate and the guide vane arm;
The alarm assembly comprises a trigger rod, a movable groove is formed in the upper end of the connecting plate, a movable block is arranged in the movable groove, a supporting plate is arranged at the upper end of the movable block, a supporting switch is arranged at the upper end of the supporting plate, and a supporting spring is arranged on one side of the movable block.
As a further technical scheme of the utility model, a connecting ring is arranged between the connecting plate and the guide vane arm, the connecting plate and the guide vane arm are screwed up through connecting bolts, and the convex blocks are fixedly connected with the connecting plate.
As a further technical scheme of the utility model, the lug and the guide vane arm are fixedly connected through a breaking pin, and nuts are arranged at two ends of the breaking pin.
As a further technical scheme of the utility model, the trigger rod is fixedly connected with the guide vane arm, the trigger rod is of an L-shaped structure, the movable groove is of an arc-shaped structure, and the side section of the movable groove is of a convex structure.
As a further technical scheme of the utility model, the movable block is matched with the movable groove, the side section of the movable block is smaller than that of the movable groove, the movable block is fixedly connected with the supporting plate, and the supporting plate is matched with the movable groove.
As a further technical scheme of the utility model, the support switch is fixedly connected with the support plate, the support switch is electrically connected with the external controller, and two ends of the support spring are fixedly connected with the moving block and the moving groove respectively.
The utility model provides a safety protection device of a water guide mechanism of a water turbine. Compared with the prior art, the method has the following beneficial effects: through alarm component's setting, when breaking off the middle part of round pin, make break away from between stator arm and the lug, rotate along the inside of connecting plate through the stator arm, drive the triggering lever simultaneously and rotate, make the triggering lever contact with supporting switch's detection end, under the effect of backup pad, make the movable block remove along the inside of removing the groove, drive supporting spring simultaneously and compress, when reaching the terminal point until supporting spring's motion track, thereby play the cushioning effect, simultaneously when supporting switch detects the extrusion of triggering lever, synchronous feedback is to external control ware, thereby report to the police, remind the staff in time handle, and then improve water guide mechanism's security.
Drawings
FIG. 1 is a schematic diagram of a safety protection device of a water turbine water guide mechanism;
FIG. 2 is a partially exploded view of a safety protection device of a water turbine water guide mechanism;
FIG. 3 is an enlarged view of the safety protection device of the water turbine water guide mechanism of FIG. 2A;
fig. 4 is a partial side sectional view of the safety protection device of the water turbine water guide mechanism.
In the figure: 1. a connecting plate; 2. a guide vane arm; 3. a connecting bolt; 4. a bump; 5. breaking the pin; 6. an alarm assembly; 61. a trigger lever; 62. a moving groove; 63. a moving block; 64. a support plate; 65. a support switch; 66. and a support spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution for a safety protection device of a water turbine water guiding mechanism: the safety protection device of the water guide mechanism of the water turbine comprises a connecting plate 1, wherein a guide vane arm 2 is arranged in the middle of the connecting plate 1, a connecting bolt 3 is arranged on the outer side of the connecting plate 1, a bump 4 is arranged at the bottom of the connecting plate 1, and a breaking pin 5 and an alarm component 6 are arranged at the joint of the connecting plate 1 and the guide vane arm 2;
The alarm assembly 6 comprises a trigger rod 61, a moving groove 62 is formed in the upper end of the connecting plate 1, a moving block 63 is arranged in the moving groove 62, a supporting plate 64 is arranged at the upper end of the moving block 63, a supporting switch 65 is arranged at the upper end of the supporting plate 64, and a supporting spring 66 is arranged on one side of the moving block 63.
Referring to fig. 1-2, a connecting ring is arranged between a connecting plate 1 and a guide vane arm 2, the connecting plate 1 and the guide vane arm 2 are screwed up through a connecting bolt 3, and a bump 4 is fixedly connected with the connecting plate 1, so that the fixing between the connecting plate 1 and the guide vane arm 2 is facilitated.
Referring to fig. 1-2, the bump 4 and the vane arm 2 are fixedly connected through a breaking pin 5, and nuts are arranged at two ends of the breaking pin 5, so that the vane arm 2 and the bump 4 can be fixed conveniently, and the breaking pin 5 is broken under a relatively large stress of the vane arm 2.
Referring to fig. 2-4, the trigger rod 61 is fixedly connected with the vane arm 2, the trigger rod 61 is in an L-shaped structure, the moving groove 62 is in an arc-shaped structure, the side section of the moving groove 62 is in a convex structure, the moving block 63 is matched with the moving groove 62, the side section of the moving block 63 is smaller than the side section of the moving groove 62, the moving block 63 is fixedly connected with the supporting plate 64, the supporting plate 64 is matched with the moving groove 62, the supporting switch 65 is fixedly connected with the supporting plate 64, the supporting switch 65 is electrically connected with an external controller, two ends of the supporting spring 66 are fixedly connected with the moving block 63 and the moving groove 62 respectively, and under the condition that the breaking pin 5 breaks, the alarm is provided by abutting against the detecting end of the supporting switch 65 through the alarm component 6.
The working principle of the utility model is as follows: in the use of the device, the middle part fixedly connected with stator arm 2 is fixed through breaking pin 5 and nut between with connecting plate 1 and stator arm 2, screw up connecting bolt 3, drive a plurality of groups of connecting plates 1 at the servomotor and rotate for connecting plate 1 drives stator arm 2 and stator and rotates, when there is debris to block at two groups of stator middle parts, the stator atress drives stator arm 2 and rotates along the inside of connecting plate 1, breaking pin 5's middle part disconnection simultaneously, report to the police through alarm assembly 6, make connecting plate 1 unable continue to drive stator arm 2 and stator and rotate, and then make the stator that blocks stop running, other stator continue running.
It should be noted that, through the setting of alarm assembly 6, when breaking off in the middle part of breaking pin 5, make break away from between stator arm 2 and the lug 4, through the inside rotation of stator arm 2 along connecting plate 1, drive trigger lever 61 simultaneously and rotate, make trigger lever 61 contact with the detection end of supporting switch 65, under the effect of backup pad 64, make movable block 63 remove along the inside of movable groove 62, drive supporting spring 66 simultaneously and compress, until the motion track of supporting spring 66 reaches the terminal point, thereby play the buffering effect, simultaneously when supporting switch 65 detects the extrusion of trigger lever 61, synchronous feedback is to external control ware, thereby report to the police, remind the staff to have the card to hinder between the stator, need in time handle, and then improve water guide mechanism's security.
Claims (6)
1. The safety protection device of the water turbine water guide mechanism comprises a connecting plate (1), and is characterized in that a guide vane arm (2) is arranged in the middle of the connecting plate (1), a connecting bolt (3) is arranged on the outer side of the connecting plate (1), a lug (4) is arranged at the bottom of the connecting plate (1), and a breaking pin (5) and an alarm assembly (6) are arranged at the joint of the connecting plate (1) and the guide vane arm (2);
The alarm assembly (6) comprises a trigger rod (61), a moving groove (62) is formed in the upper end of the connecting plate (1), a moving block (63) is arranged in the moving groove (62), a supporting plate (64) is arranged at the upper end of the moving block (63), a supporting switch (65) is arranged at the upper end of the supporting plate (64), and a supporting spring (66) is arranged on one side of the moving block (63).
2. The safety protection device of the water guide mechanism of the water turbine according to claim 1, wherein a connecting ring is arranged between the connecting plate (1) and the guide vane arm (2), the connecting plate (1) and the guide vane arm (2) are screwed up through a connecting bolt (3), and the protruding block (4) is fixedly connected with the connecting plate (1).
3. The safety protection device of the water guide mechanism of the water turbine according to claim 1, wherein the bump (4) and the guide vane arm (2) are fixedly connected through a breaking pin (5), and nuts are arranged at two ends of the breaking pin (5).
4. The safety protection device of the water guide mechanism of the water turbine according to claim 1, wherein the triggering rod (61) is fixedly connected with the guide vane arm (2), the triggering rod (61) is of an L-shaped structure, the movable groove (62) is of an arc-shaped structure, and the side section of the movable groove (62) is of a convex structure.
5. The safety protection device of a water guiding mechanism of a water turbine according to claim 1, wherein the moving block (63) is matched with the moving groove (62), the side section of the moving block (63) is smaller than that of the moving groove (62), the moving block (63) is fixedly connected with the supporting plate (64), and the supporting plate (64) is matched with the moving groove (62).
6. The safety protection device of the water guide mechanism of the water turbine according to claim 1, wherein the supporting switch (65) is fixedly connected with the supporting plate (64), the supporting switch (65) is electrically connected with an external controller, and two ends of the supporting spring (66) are respectively fixedly connected with the moving block (63) and the moving groove (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322804394.3U CN220869560U (en) | 2023-10-19 | 2023-10-19 | Safety protection device for water guide mechanism of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322804394.3U CN220869560U (en) | 2023-10-19 | 2023-10-19 | Safety protection device for water guide mechanism of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869560U true CN220869560U (en) | 2024-04-30 |
Family
ID=90817506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322804394.3U Active CN220869560U (en) | 2023-10-19 | 2023-10-19 | Safety protection device for water guide mechanism of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869560U (en) |
-
2023
- 2023-10-19 CN CN202322804394.3U patent/CN220869560U/en active Active
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