CN211927791U - Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator - Google Patents
Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator Download PDFInfo
- Publication number
- CN211927791U CN211927791U CN202020001196.7U CN202020001196U CN211927791U CN 211927791 U CN211927791 U CN 211927791U CN 202020001196 U CN202020001196 U CN 202020001196U CN 211927791 U CN211927791 U CN 211927791U
- Authority
- CN
- China
- Prior art keywords
- wind turbine
- main shaft
- turbine generator
- probe
- inner ring
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an on-service wind turbine generator system main shaft end face phased array ultrasonic auxiliary detection device, which belongs to the technical field of wind turbine generator system important metal part inspection and detection, and relates to an on-service wind turbine generator system main shaft end face phased array ultrasonic auxiliary detection device, which comprises a circular ring-shaped fixed inner ring fixedly sleeved on a hollow shaft flange, wherein the central axis of the fixed inner ring and the central axis of the on-service wind turbine generator system main shaft are on the same straight line; the outer circumferential surface of the fixed inner ring is connected with an intermediate connecting rod in a sliding mode, and one end, far away from the fixed inner ring, of the intermediate connecting rod is connected with a detection probe. The utility model discloses simple structure, convenient to use utilizes fixed inner ring to realize fixing test probe to realize through the intermediate junction pole that test probe axial and going on wind turbine generator system main shaft terminal surface and fix, guarantee to carry out accuracy, quick scanning to stress concentration position, accurate division structure ripples and defect ripples prevent that the defect from leaking and declares.
Description
Technical Field
The utility model belongs to the technical field of wind generating set important metal parts inspection detects, a at labour wind turbine generator system main shaft terminal surface phased array supersound auxiliary detection device is related to.
Background
At present, wind power in China is rapidly developed, the installed scale is continuously increased until 2017, and the accumulated installed capacity of wind power in China is the first to live in the world for 8 years continuously. The requirements on the reliability of important metal parts of a unit are higher and higher while wind power is rapidly developed, and a main shaft breakage accident which is one of the important metal parts of the wind power is common in recent years. The main shaft breakage accident of the wind generating set can not only cause destructive damage to a set impeller system and a transmission system, the economic loss is more than 300 ten thousand yuan, but also threaten the life and property safety of people. Therefore, the gateway is moved forward, defects are found in advance, and the method is particularly important for the detection work of the main shaft of the wind generating set in service. The inside naked partial space that leaks of main shaft of fan cabin is narrow and small, can't detect its stress concentration position from main shaft circumference, can only carry out the detection achievement from the main shaft terminal surface, and the tradition is swept manually and is examined because of the unable accurate positioning stress concentration position of arranging of slip ring and cable in the wheel hub, distinguishes structure ripples and defect ripples difficulty, and the defect detectable rate is low, very easily takes place the defect undetected accident.
SUMMERY OF THE UTILITY MODEL
The utility model provides an at labour wind turbine generator system main shaft terminal surface phased array supersound auxiliary detection device has solved manual scanning and has looked into the location difficulty, detect that intensity is big, the structure ripples distinguishes difficulty, defect detectable rate low scheduling problem with the defect ripples.
The utility model relates to an on-service wind turbine main shaft end face phased array ultrasonic auxiliary detection device, which comprises a circular ring-shaped fixed inner ring fixedly sleeved on a hollow pipe shaft flange, wherein the central axis of the fixed inner ring and the central axis of the on-service wind turbine main shaft are on the same straight line;
the outer periphery of the fixed inner ring is connected with an intermediate connecting rod in a sliding mode, one end, far away from the fixed inner ring, of the intermediate connecting rod is connected with a detection probe, and the detection probe extends out towards the end face of the main shaft of the in-service wind turbine generator.
Preferably, an annular groove is formed in the outer circumferential surface of the fixed inner ring, the central axis of the annular groove and the central axis of the fixed inner ring are on the same straight line, a sliding block is fixedly arranged at one end, connected with the fixed inner ring, of the middle connecting rod, and the sliding block is clamped in the annular groove in a sliding mode.
Preferably, the fixed inner ring is fixedly connected with the outer circumferential surface of the hollow shaft flange through a magnet.
Preferably, the intermediate lever includes a vertical lever and a horizontal lever that are fixedly connected, the vertical lever is vertically disposed, and the horizontal lever is horizontally disposed.
Preferably, the vertical rods and the cross rods are telescopic rods.
Preferably, montant and horizontal pole pass through the strengthening rib and link to each other, the strengthening rib is flexible shaft-like, and the both ends of strengthening rib are continuous with the one end that montant and horizontal pole kept away from each other through the bolt respectively.
Preferably, one end of the cross rod away from the vertical rod is fixedly connected with a probe mounting seat, a probe accommodating groove is formed in the probe mounting seat, two corresponding side walls in the probe accommodating groove are symmetrically provided with a clamping device, and the detection probe is arranged in the probe accommodating groove and is located between the two clamping devices.
Preferably, the clamping device comprises a clamping spring, a spring accommodating groove is formed in the side wall of the probe accommodating groove, the clamping spring is arranged in the spring accommodating groove, and one end of the clamping spring extends towards the interior of the probe accommodating groove; when the detection probe is arranged in the probe accommodating groove, one end of the clamping spring extending out of the spring accommodating groove is abutted against the detection probe, and the clamping spring is in a compressed state.
Preferably, one end of the probe mounting seat, which is connected with the cross rod, is fixedly connected with a screw rod, one end of the cross rod, which is connected with the probe mounting seat, is provided with a threaded hole, and the screw rod is in threaded connection with the threaded hole.
The utility model discloses simple structure, convenient to use utilizes fixed inner ring to realize fixing test probe to realize through the intermediate junction pole that test probe axial and going on wind turbine generator system main shaft terminal surface and fix, guarantee to carry out accuracy, quick scanning to stress concentration position, accurate division structure ripples and defect ripples prevent that the defect from leaking and declares.
The utility model discloses montant and horizontal pole are the telescopic link, can guarantee that test probe carries out the full scanning to the terminal surface and looks into, prevent to miss the judgement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
Reference numerals: 1-fixed inner ring, 2-middle connecting rod, 3-reinforcing rib, 4-probe mounting seat, 5-wind turbine generator main shaft, 6-detection probe, 7-clamping spring and 8-screw.
Detailed Description
The utility model relates to an on-service wind turbine main shaft end face phased array ultrasonic auxiliary detection device, which comprises a circular ring-shaped fixed inner ring 1 fixedly sleeved on a hollow pipe shaft flange, wherein the central axis of the fixed inner ring 1 and the central axis of an on-service wind turbine main shaft 5 are on the same straight line;
the outer periphery of the fixed inner ring 1 is connected with an intermediate connecting rod 2 in a sliding mode, one end, far away from the fixed inner ring 1, of the intermediate connecting rod 2 is connected with a detection probe 6, and the detection probe 6 extends out towards the end face of the main shaft 5 of the in-service wind turbine generator.
An annular groove is formed in the outer circumferential surface of the fixed inner ring 1, the central axis of the annular groove and the central axis of the fixed inner ring 1 are on the same straight line, a sliding block is fixedly arranged at one end, connected with the fixed inner ring 1, of the middle connecting rod 2, and the sliding block is clamped in the annular groove in a sliding mode.
The fixed inner ring 1 is fixedly connected with the outer circumferential surface of the hollow pipe shaft flange through a magnet.
The intermediate lever comprises a vertical lever and a horizontal lever which are fixedly connected, the vertical lever is vertically arranged, and the horizontal lever is horizontally arranged.
The vertical rods and the horizontal rods are telescopic rods. Variations in length and detection radius can be achieved.
The vertical rod and the cross rod are connected through a reinforcing rib 3, the vertical rod and the cross rod are connected through the reinforcing rib 3, the reinforcing rib 3 is in a telescopic rod shape, two ends of the reinforcing rib 3 are respectively connected with one end, away from each other, of the vertical rod and the cross rod through bolts, namely one end of the reinforcing rib 3 is connected with one end, close to the fixed inner ring 1, of the vertical rod through a bolt, and the other end of the reinforcing rib 3 is connected with one end, close to the probe mounting seat 4, of the cross; the telescopic rod is a telescopic rod with a limiting function in the prior art, and can also be two hollow rod bodies which are mutually sleeved and respectively comprise a first rod and a second rod, the first rod is sleeved and connected inside the second rod, and extends out from one end of the second rod, the first rod is provided with an elastic bulge, the second rod is provided with a plurality of limiting holes along the axial direction of the second rod, when the elastic bulge is clamped in the limiting holes, the lengths of the first rod and the second rod are fixed, under the action of external force, the elastic bulge is pressed back into the first rod from the limiting hole, so that the first rod and the second rod can slide mutually, thereby realizing the adjustment of the length of the first rod and the second rod, the arrangement of the limiting hole and the elastic bulge is only a limiting mode, it is not right the utility model discloses technical scheme's injecion, among the prior art, can realize flexible and flexible after-fixing the body of rod all can be used to realize this technical scheme.
One end of the cross rod far away from the vertical rod is fixedly connected with a probe mounting seat 4, a probe accommodating groove is formed in the probe mounting seat 4, two corresponding side walls in the probe accommodating groove are symmetrically provided with a clamping device, and the detection probe 6 is arranged in the probe accommodating groove and is located between the two clamping devices.
The clamping device comprises a clamping spring 7, a spring accommodating groove is formed in the side wall of the probe accommodating groove, the clamping spring 7 is arranged in the spring accommodating groove, and one end of the clamping spring extends towards the interior of the probe accommodating groove; when the detection probe 6 is arranged in the probe accommodating groove, one end of the clamping spring 7, which extends out of the spring accommodating groove, is abutted against the detection probe 6, and the clamping spring 7 is in a compressed state.
One end of the probe mounting seat 4 connected with the cross rod is fixedly connected with a screw rod 8, one end of the cross rod connected with the probe mounting seat 4 is provided with a threaded hole, and the screw rod 8 is in threaded connection with the threaded hole. The hollow shaft flange is rigidly connected with the detected main shaft.
When the device is used, the fixed inner ring 1 is fixed on a pipe shaft flange, a zero position is positioned and a mark is made, the vertical rod is stretched outwards to reach a variable cross section part in a drawing, the transverse rod is stretched until the probe is tightly attached to a detection end face, the reinforcing rib 3 is adjusted and then fixed, and then the cross section is scanned.
The utility model discloses simple structure, convenient to use utilizes fixed inner ring 1 to realize fixing test probe 6 to realize test probe 6 through intermediate junction pole 2 and fix axial and going on wind turbine generator system main shaft 5 terminal surfaces, guarantee to carry out accuracy, quick scanning to stress concentration position, accurate division structure ripples and defect ripples prevent defect leakage.
The utility model discloses montant and horizontal pole are the telescopic link, can guarantee that 6 end faces of test probe are swept completely and are looked into, prevent the missing judgement.
Claims (9)
1. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator comprises a circular fixed inner ring (1) fixedly sleeved on a hollow pipe shaft flange, and is characterized in that the central axis of the fixed inner ring (1) and the central axis of the main shaft (5) of the in-service wind turbine generator are on the same straight line;
sliding connection has an intermediate junction pole (2) on the outer periphery of fixed inner ring (1), intermediate junction pole (2) are kept away from one of fixed inner ring (1) and are served and be connected with test probe (6), test probe (6) are stretched out towards at labour wind turbine generator system main shaft (5) terminal surface.
2. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 1, wherein an annular groove is formed in the outer circumferential surface of the fixed inner ring (1), the central axis of the annular groove is collinear with the central axis of the fixed inner ring (1), a sliding block is fixedly arranged at one end, connected with the fixed inner ring (1), of the middle connecting rod (2), and the sliding block is clamped in the annular groove in a sliding mode.
3. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 2, wherein the fixed inner ring (1) is fixedly connected with the outer circumferential surface of the hollow shaft flange through a magnet.
4. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 3, wherein the middle connecting rod comprises a vertical rod and a horizontal rod which are fixedly connected, the vertical rod is vertically arranged, and the horizontal rod is horizontally arranged.
5. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 4, wherein the vertical rods and the cross rods are telescopic rods.
6. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 5, wherein the vertical rods and the cross rods are connected through reinforcing ribs (3), the reinforcing ribs (3) are in a telescopic rod shape, and two ends of each reinforcing rib (3) are respectively connected with one end, away from each other, of each vertical rod and one end, away from each other, of each cross rod through bolts.
7. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 6, wherein a probe mounting seat (4) is fixedly connected to one end, away from the vertical rod, of the cross rod, a probe accommodating groove is formed in the probe mounting seat (4), clamping devices are symmetrically arranged on two corresponding side walls in the probe accommodating groove, and the detection probe (6) is arranged in the probe accommodating groove and located between the two clamping devices.
8. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 7, wherein the clamping device comprises a clamping spring (7), a spring accommodating groove is formed in the side wall of the probe accommodating groove, the clamping spring (7) is arranged in the spring accommodating groove, and one end of the clamping spring extends towards the inside of the probe accommodating groove; when the detection probe (6) is arranged in the probe accommodating groove, one end of the clamping spring (7) extending out of the spring accommodating groove is abutted against the detection probe (6), and the clamping spring (7) is in a compressed state.
9. The phased array ultrasonic auxiliary detection device for the end face of the main shaft of the in-service wind turbine generator set according to claim 8, wherein a screw rod (8) is fixedly connected to one end, connected with the cross rod, of the probe mounting seat (4), a threaded hole is formed in one end, connected with the probe mounting seat (4), of the cross rod, and the screw rod (8) is in threaded connection with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001196.7U CN211927791U (en) | 2020-01-02 | 2020-01-02 | Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001196.7U CN211927791U (en) | 2020-01-02 | 2020-01-02 | Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211927791U true CN211927791U (en) | 2020-11-13 |
Family
ID=73329453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020001196.7U Expired - Fee Related CN211927791U (en) | 2020-01-02 | 2020-01-02 | Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211927791U (en) |
-
2020
- 2020-01-02 CN CN202020001196.7U patent/CN211927791U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211927791U (en) | Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator | |
| CN111122703A (en) | Phased array ultrasonic auxiliary detection device for end face of main shaft of in-service wind turbine generator | |
| CN104751917A (en) | Ultrasonic inspection device for weld joints of pressure vessel connection tubes | |
| CN110779660A (en) | Cable protection pipe sealing test device | |
| CN113267150A (en) | Ultrasonic wall thickness online monitoring device for oil and gas pipeline | |
| CN105403452A (en) | Thin tube dedicated fixture under action of axial and internal pressure composite load | |
| CN106768746B (en) | Torsion degree measuring method and device for large gear box base | |
| CN210625961U (en) | Cable protection pipe sealing tester | |
| CN214162669U (en) | Device for enhancing surface roughness of steel wire | |
| CN210757302U (en) | Machining spare part detects instrument | |
| CN211293043U (en) | Iron core grounding current detection device convenient to installation | |
| CN209674891U (en) | A kind of nuclear safety level-one component bolt automatic checking device | |
| CN207961741U (en) | One seed nucleus measurement pipe channel fixing device | |
| CN209401327U (en) | A kind of reactor pressure vessel kingbolt automatic checking device | |
| CN217280043U (en) | Calibration assembly for detecting control rod assembly | |
| CN216977730U (en) | Thread through and stop detection system | |
| CN220039504U (en) | Submarine cable specification detection device | |
| CN216429825U (en) | Center shaft assembly of tower crane type wind driven generator | |
| CN220851798U (en) | Hydrogen pipeline leakage detection device | |
| CN219266288U (en) | Offshore wind turbine oil liquid detection device | |
| CN217441396U (en) | 5G intelligent pipe network safety monitoring gas device | |
| CN218239215U (en) | Sealing test tool for nozzle assembly of gas turbine | |
| CN219956668U (en) | Ultrasonic water meter verification clamping device | |
| CN210570457U (en) | Portable special equipment tester | |
| CN220670810U (en) | Dynamic balancing device for middle cylinder of wind-powered electricity generation coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 Termination date: 20220102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |