CN208140735U - A kind of device for wind power generating set overspeed protection test - Google Patents
A kind of device for wind power generating set overspeed protection test Download PDFInfo
- Publication number
- CN208140735U CN208140735U CN201820498733.6U CN201820498733U CN208140735U CN 208140735 U CN208140735 U CN 208140735U CN 201820498733 U CN201820498733 U CN 201820498733U CN 208140735 U CN208140735 U CN 208140735U
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- China
- Prior art keywords
- fixing seat
- telescopic rod
- wind power
- power generating
- generating set
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The device that the utility model relates to test for wind power generating set overspeed protection,Technical solution is,The rotation axis of servo motor is arranged upward vertically,Drive shaft of the upper end of rotation axis through shaft coupling equipped with coaxial arrangement,Drive shaft upper end is connected with horizontally disposed turntable,Multiple detection holes up and down are distributed along the circumference on the outside of turntable,Below turntable,The first telescopic rod being vertically arranged is provided on the pedestal of servo motor side,The upper end of first telescopic rod is provided with the second telescopic rod protruded horizontally up outward along the radial parallel direction of turntable,The outer end of second telescopic rod is provided with the fixing seat for installing speed probe,Speed probe is fixed in fixing seat vertically,The utility model can effectively solve the current incomplete problem of overspeed protection test method test loop,Test device can be adjusted according to different sensors again,Detection more prepares,It is easy to use,Effect is good,Securely and reliably.
Description
Technical field
The utility model relates to a kind of devices for wind power generating set overspeed protection test.
Background technique
Wind power generating set over-speed protection function is the important guarantee for guaranteeing wind power generating set safe operation, current each wind
Periodically (half a year or 1 year) detects wind power generating set over-speed protection function to electric field, to ensure that the function is normal.Mesh
Preceding test method predominantly inputs using signal generator analog signal or turns down protection definite value, restores after test.This two
The former only detects the logic element of protective loop with executive component in kind test method, not to the detection member of protective loop
Part (speed probe) is detected, and haves the defects that only to replace bulk loop to test with signal testing；The latter can only explain guarantor
Function is normal at the definite value of shield circuit after the modification, can not illustrate that function is normal at original value, and test method needs open
Machine carries out, and security risk is higher.Therefore, imperative for the improvement and innovation of wind power generating set overspeed protection test.
Utility model content
For above situation, for the defect for overcoming the prior art, the purpose of the utility model is just to provide a kind of for wind
The device of power generator group overspeed protection test can effectively solve the problems, such as that wind power generating set overspeed protection is tested.
The technical solution that the utility model solves is a kind of device for wind power generating set overspeed protection test, packet
Servo motor and speed probe are included, servo motor is fixed on the base, and the rotation axis of servo motor is arranged upward vertically, rotation
Drive shaft of the upper end of axis through shaft coupling equipped with coaxial arrangement, drive shaft upper end are connected with horizontally disposed turntable, turntable outside
Multiple detection holes up and down are distributed along the circumference with, turntable lower section is provided on the pedestal of servo motor side and sets vertically
The first telescopic rod set, the upper end of the first telescopic rod are provided with second protruded horizontally up outward along the radial parallel direction of turntable and stretch
Bar, the outer end of the second telescopic rod are provided with the fixing seat for installing speed probe, and speed probe is fixed on vertically
In reservation, the test side of speed probe and the position adjustment structure of detection hole face are constituted.
The servo motor two sides are respectively arranged on the base with vertical the first support plate and the second support plate, and second
Clip corresponding with servo motor is fixed in support plate, servo motor is placed in clip, equipped with rotation in the first support plate
The end of flexible screw rod, screw rod is protruded into clip, and the one end protruded into is equipped with the cushion for being fixed servo motor.
The clip is the frame mechanism constituted that is bolted together by the fixed frame of oral area face and connection frame, fixed frame
It is fixedly connected in the second support plate, the first convex edge is provided on fixed frame, is equipped on connection frame corresponding with the first convex edge
Second convex edge, the first convex edge and the second convex edge are connected and fixed by the first bolt, the first nut, constitute tearing open for fixed frame and connection frame
Dress formula connection structure；The drive shaft upper end is equipped with horizontal rectangle chuck, and rectangle chuck two sides are provided with up and down
First bolt hole, turntable bottom are provided with rectangle card slot corresponding with rectangle chuck, are provided in rectangle card slot and the first spiral shell
Corresponding second bolt hole of keyhole, rectangle chuck are placed in rectangle card slot, by being installed on the first bolt hole, in the second bolt hole
The second nut on the second bolt of the second bolt and spinning be fixed.
The utility model structure novel is unique, and advantages of simple is easy to produce, easy to operate, at low cost, can effectively solve super at present
The fast incomplete problem of protection test method test loop, and test device can be adjusted according to different sensors, it examines
Survey more prepares, and easy to use, effect is good, is the innovation in wind power generating set overspeed protection test device securely and reliably.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of the utility model clip.
Fig. 3 is the main view (partly cut-away) of the utility model drive shaft.
Fig. 4 is the bottom view of the utility model turntable.
Fig. 5, Fig. 6 are the structural schematic diagram of two embodiments of the utility model fixing seat.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
It is provided by Fig. 1-6, the utility model includes servo motor 6 and speed probe 17, and servo motor 6 is fixed on pedestal
On 2, the rotation axis 6a of servo motor 6 is arranged upward vertically, driving of the upper end of rotation axis 6a through shaft coupling 7 equipped with coaxial arrangement
Axis 8,8 upper end of drive shaft are connected with horizontally disposed turntable 9, are distributed along the circumference with multiple detection holes up and down on the outside of turntable
26,9 lower section of turntable is provided with the first telescopic rod being vertically arranged on the pedestal of 6 side of servo motor, the first telescopic rod
Upper end is provided with the second telescopic rod protruded horizontally up outward along the radial parallel direction of turntable, and the outer end of the second telescopic rod is provided with
For installing the fixing seat 16 of speed probe 17, speed probe 17 is fixed on vertically in fixing seat 16, constitutes revolution speed sensing
The test side of device and the position adjustment structure of 26 face of detection hole.
To guarantee using effect, 6 two sides of servo motor are respectively arranged on the base with the first vertical support plate
19 and second support plate 10, clip corresponding with servo motor is fixed in the second support plate 10, and servo motor 6 is placed in clip
It is interior, the screw rod 20 of rotary extension is housed, the end of screw rod 20 is protruded into clip, and the one end protruded into is equipped with use in the first support plate 19
In the cushion 28 for being fixed servo motor, rotary screw compresses servo motor, to guarantee the stabilization entirely tested；
The clip is bolted together the frame mechanism constituted by the fixed frame 3 of oral area face and connection frame 4, fixed
Frame 3 is fixedly connected in the second support plate 10, and the first convex edge 5a is provided on fixed frame 3, is equipped with and the first convex edge on connection frame 4
5a corresponding second convex edge 5b, the first convex edge 5a and the second convex edge 5b are connected and fixed by the first bolt, the first nut 27, are constituted
The reassembling type connection structure of fixed frame 3 and connection frame 4；
Second support plate, 10 upper end is provided with the position adjustable plate 11 that horizontally toward servo motor direction is stretched out, the
One telescopic rod is vertically arranged on position adjustable plate 11, to make the first telescopic rod closer to drive shaft 8, to make fixing seat
16 moving range is bigger, to adapt to different size of turntable.
First telescopic rod is made of setting of casing 12a and the upper casing 12b being sleeved in setting of casing, upper casing
The lower part 12b is placed in setting of casing 12a cavity, and slides up and down along its axial direction, by spinning on the outer wall of setting of casing upper end first
Fastening bolt 13 is fixed, and constitutes the height and position adjustment structure of the second telescopic rod, second telescopic rod is by rear enclosure
What the pipe 14a and anterior cannula 14b being sleeved in rear sleeve was constituted, the rear portion anterior cannula 14b is placed in rear sleeve 14a cavity, and edge
It slides axially back and forth, and is fixed by second fastening bolt 15 of the spinning on the outer wall of rear sleeve front end, constitutes fixing seat
Horizontal position adjusting structure.
The fixing seat 16 includes fixing seat ontology 161, and sensor up and down is provided on fixing seat ontology 161
Fixation hole 162, the hold-down bolt 163 for protruding into sensor fixing hole 162 is provided on the side wall of fixing seat ontology 161, and revolving speed passes
Sensor 17 is placed in sensor fixing hole 62, is fixed by hold-down bolt 163.
The fixing seat 16 includes fixing seat ontology 161, and sensor up and down is provided on fixing seat ontology 161
Fixation hole 162 is provided with the elastic clip for jam sensor on the fixing seat ontology 161 of the top of sensor fixing hole 162,
Elastic clip is to be linked together the resilient clamp structure constituted by left clamp 164 and right clamping body 165 by the torsional spring 166 of one end,
Sensor fixing hole 62 is placed in sensor fixing hole 62, is gripped by elastic clip.
8 upper end of drive shaft is equipped with horizontal rectangle chuck 9a, and the two sides rectangle chuck 9a are provided with up and down
First bolt hole 23,9 bottom of turntable are provided with rectangle card slot 25 corresponding with rectangle chuck, be provided in rectangle card slot 25 with
Corresponding second bolt hole 24 of first bolt hole 23, rectangle chuck 9a is placed in rectangle card slot 25, by being installed on the first bolt
The second nut of the second bolt 21 and spinning on the second bolt in hole 23, the second bolt hole 24 is fixed, and can quickly be torn open
Dress, replacement different-diameter and the turntable for detecting hole number, to adapt to the speed probe of different model.
It is provided with scale 22 in the drive shaft 8, the spacing of speed probe and turntable bottom surface can be observed by scale.
The bottom of the pedestal 2 is provided with supporting leg 2a or the universal wheel with brake, keeps pedestal more stable, universal wheel side
Just it moves.
The speed probe is the prior art, such as the revolving speed for the model DSD1205 that the electrical producer of Kai Jite produces
Sensor, the speed probe of model DSS1210, model D12A speed probe, corresponding turn of each speed probe
The diameter of disk and the position of detection hole are all different, and the diameter of turntable and the position of detection hole can be determined according to practical model.
When the utility model is used, it chooses metal porose disc corresponding with speed probe model to be measured and assembles, make wind-force
Generating set is in maintenance state, removes the fixed screw of speed probe, is guaranteeing the normal feelings of each wiring of speed probe
Under condition, i.e., the signal output end of speed probe 17 is connected with the overspeed protective device 18 of wind power generating set, described
Overspeed protective device be the prior art (commercial product), as JAQUET technology group producer produce model
The overspeed protective device of T401/T402, speed probe is fixed in fixing seat, is adjusted revolving speed by the second telescopic rod and is passed
The position of sensor makes itself and detection hole face, while the height of speed probe is adjusted by the first telescopic rod, turns to adjust
The spacing of fast sensor and turntable makes it meet speed probe job requirement, opens servo motor, controls its revolving speed and rise to hair
The overspeed protection definite value of Wind turbines realizes emergency shutdown, thus completes the survey to wind power generating set overspeed protection full loop
Examination, compared with prior art, the utility model structure novel are unique, and advantages of simple is easy to produce, easy to operate, at low cost, can be effective
Solve the problems, such as that current overspeed protection test method test loop is incomplete, but can according to different sensors to test device into
Row adjustment, detection more prepare, and easy to use, effect is good, and security risk is low, are wind power generating set hypervelocities securely and reliably
Innovation on protection tester.
Claims (10)
1. a kind of device for wind power generating set overspeed protection test, including servo motor (6) and speed probe (17),
It is characterized in that, servo motor (6) is fixed on pedestal (2), the rotation axis (6a) of servo motor (6) is arranged upward vertically, turns
Drive shaft (8) of the upper end of moving axis (6a) through shaft coupling (7) equipped with coaxial arrangement, drive shaft (8) upper end is connected with horizontally disposed
Turntable (9), multiple detection holes (26) up and down are distributed along the circumference on the outside of turntable, below turntable (9), in servo motor
(6) the first telescopic rod being vertically arranged is provided on the pedestal of side, the upper end of the first telescopic rod is provided with radially flat along turntable
The second telescopic rod that line direction protrudes horizontally up outward, the outer end of the second telescopic rod are provided with for installing speed probe (17)
Fixing seat (16), speed probe (17) is fixed on vertically on fixing seat (16), constitutes test side and the inspection of speed probe
The position adjustment structure of gaging hole (26) face.
2. the device according to claim 1 for wind power generating set overspeed protection test, which is characterized in that described
Servo motor (6) two sides are respectively arranged on the base with vertical the first support plate (19) and the second support plate (10), and second
Clip corresponding with servo motor is fixed on fagging (10), servo motor (6) is placed in clip, in the first support plate (19)
Screw rod (20) equipped with rotary extension, the end of screw rod (20) are protruded into clip, and the one end protruded into is equipped with and watches for being fixed
Take the cushion (28) of motor.
3. the device according to claim 2 for wind power generating set overspeed protection test, which is characterized in that described
Clip is bolted together the frame mechanism constituted by the fixed frame (3) of oral area face and connection frame (4), and fixed frame (3) is fixed
Be connected on the second support plate (10), be provided on fixed frame (3) the first convex edge (5a), on connection frame (4) equipped with it is first convex
Along (5a) corresponding second convex edge (5b), the first convex edge (5a) and the second convex edge (5b) is by the first bolt, the first nut (27)
It is connected and fixed, constitutes the reassembling type connection structure of fixed frame (3) and connection frame (4).
4. the device according to claim 2 for wind power generating set overspeed protection test, which is characterized in that described
Second support plate (10) upper end is provided with the position adjustable plate (11) that horizontally toward servo motor direction is stretched out, and the first telescopic rod is perpendicular
It is straight to be arranged on position adjustable plate (11).
5. the device according to claim 1 for wind power generating set overspeed protection test, which is characterized in that described
First telescopic rod is made of setting of casing (12a) and the upper casing (12b) being sleeved in setting of casing, upper casing (12b) lower part
It is placed in setting of casing (12a) cavity, and is slided up and down along its axial direction, by first fastening spiral shell of the spinning on the outer wall of setting of casing upper end
Bolt (13) is fixed, and constitutes the height and position adjustment structure of the second telescopic rod.
6. the device for wind power generating set overspeed protection test according to claim 1 or 5, which is characterized in that institute
The second telescopic rod stated is made of rear sleeve (14a) and the anterior cannula (14b) being sleeved in rear sleeve, anterior cannula (14b)
Rear portion is placed in rear sleeve (14a) cavity, and is slid axially back and forth along it, second tight on the outer wall of rear sleeve front end by spinning
Fixing bolt (15) is fixed, and constitutes the horizontal position adjusting structure of fixing seat.
7. the device according to claim 1 for wind power generating set overspeed protection test, which is characterized in that described
Fixing seat (16) includes fixing seat ontology (161), and sensor fixing hole up and down is provided on fixing seat ontology (161)
(162), the hold-down bolt (163) for protruding into sensor fixing hole (162), revolving speed are provided on the side wall of fixing seat ontology (161)
Sensor (17) is placed in sensor fixing hole (62), is fixed by hold-down bolt (163).
8. the device according to claim 1 for wind power generating set overspeed protection test, which is characterized in that described
Fixing seat (16) includes fixing seat ontology (161), and sensor fixing hole up and down is provided on fixing seat ontology (161)
(162), the elastic clip for jam sensor, bullet are provided on the fixing seat ontology (161) above sensor fixing hole (162)
Property folder be to be linked together the resilient clamp knot constituted by left clamp (164) and right clamping body (165) by the torsional spring (166) of one end
Structure.
9. the device according to claim 1 for wind power generating set overspeed protection test, which is characterized in that described
Drive shaft (8) upper end is equipped with horizontal rectangle chuck (9a), and the two sides rectangle chuck (9a) are provided with the first bolt up and down
Hole (23), turntable (9) bottom are provided with rectangle card slot (25) corresponding with rectangle chuck, be provided in rectangle card slot (25) with
Corresponding second bolt hole (24) of first bolt hole (23), rectangle chuck (9a) is placed in rectangle card slot (25), by being installed on
The second nut of the second bolt (21) and spinning on the second bolt in first bolt hole (23), the second bolt hole (24) compresses
It is fixed.
10. the device according to claim 1 for wind power generating set overspeed protection test, which is characterized in that described
Scale (22) are provided in drive shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498733.6U CN208140735U (en) | 2018-04-10 | 2018-04-10 | A kind of device for wind power generating set overspeed protection test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498733.6U CN208140735U (en) | 2018-04-10 | 2018-04-10 | A kind of device for wind power generating set overspeed protection test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140735U true CN208140735U (en) | 2018-11-23 |
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ID=64291460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498733.6U Expired - Fee Related CN208140735U (en) | 2018-04-10 | 2018-04-10 | A kind of device for wind power generating set overspeed protection test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208140735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375686A (en) * | 2018-04-10 | 2018-08-07 | 中国大唐集团科学技术研究院有限公司华中分公司 | Device for wind power generating set overspeed protection test |
-
2018
- 2018-04-10 CN CN201820498733.6U patent/CN208140735U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375686A (en) * | 2018-04-10 | 2018-08-07 | 中国大唐集团科学技术研究院有限公司华中分公司 | Device for wind power generating set overspeed protection test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20190410 |