CN115791391A - Wind-powered electricity generation blade performance detection device - Google Patents
Wind-powered electricity generation blade performance detection device Download PDFInfo
- Publication number
- CN115791391A CN115791391A CN202211477200.7A CN202211477200A CN115791391A CN 115791391 A CN115791391 A CN 115791391A CN 202211477200 A CN202211477200 A CN 202211477200A CN 115791391 A CN115791391 A CN 115791391A
- Authority
- CN
- China
- Prior art keywords
- seat
- plate
- detection device
- electric cylinder
- performance detection
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The invention discloses a wind power blade performance detection device which comprises a supporting assembly and a detection assembly, wherein the supporting assembly comprises a bottom plate and blades, and the detection assembly comprises a fixed plate, a screw rod, a nut seat, a motor, a vertical plate, a driving electric cylinder, a movable plate, a pressing electric cylinder, a connecting plate, a spring, a pressing seat, a pressure sensor, a mounting seat and an ultrasonic flaw detector. The invention can drive the pressing seat to apply pressure to the blade by extending one end of the piston rod of the pressure-applying electric cylinder, can detect the magnitude and the change of the pressure by the pressure sensor, simulate the real working stress condition of the blade, can detect the compression-resistant damage state of the blade under different pressures by the ultrasonic flaw detector, can drive the nut seat to move by rotating one end of the output shaft of the motor, can drive the pressing seat and the ultrasonic flaw detector to move left and right, and can drive the pressing seat and the ultrasonic flaw detector to move back and forth by driving one end of the piston rod of the electric cylinder to stretch, thereby automatically detecting the integral compression resistance of the blade.
Description
The technical field is as follows:
the invention relates to a production performance detection device, in particular to a wind power blade performance detection device, and belongs to the technical field of detection devices.
The background art comprises the following steps:
a wind generator assembly is a system that converts kinetic energy of wind into electrical energy; the wind power assembly comprises a wind wheel, a generator and the like; the wind wheel comprises a blade, a hub, a reinforcing member and other structures; the wind driven generator has the functions of generating electricity by the rotation of blades under the action of wind power, rotating the head of the generator and the like; the items for detecting the performance of the wind power blade comprise: system mechanical detection, blade detection, impeller dynamic balance detection, noise detection and the like;
the blade can be assembled and put into use after performance detection, when the blade is detected, the traditional detection method is that a detector holds an ultrasonic flaw detector to detect the blade one by one, so that the labor intensity of the detector is high, the existence of structural hidden damage of the blade can be detected only by the ultrasonic flaw detector, the compressive property of the blade under the stress condition can not be detected, and the estimation of the compressive property of the blade under the real working stress condition is not facilitated. Therefore, the wind power blade performance detection device is provided.
The invention content is as follows:
the invention aims to provide a wind power blade performance detection device to solve one of the problems in the background art.
The invention is implemented by the following technical scheme: a wind power blade performance detection device comprises a supporting assembly and a detection assembly, wherein the supporting assembly comprises a bottom plate and blades, and the detection assembly comprises a fixed plate, a screw rod, a nut seat, a motor, a vertical plate, a driving electric cylinder, a movable plate, a pressing electric cylinder, a connecting plate, a spring, a pressing seat, a pressure sensor, a mounting seat and an ultrasonic flaw detector;
two fixing plates are symmetrically welded on the rear side of the upper surface of the bottom plate, a screw rod is rotatably connected between adjacent sides of the two fixing plates through a bearing, the outer side wall of the screw rod is in threaded connection with a nut seat, a motor is installed on one side of the upper surface of the bottom plate, one end of the screw rod penetrates through the fixing plates and is fixedly connected with one end of an output shaft of the motor, a vertical plate is welded on the upper surface of the nut seat, and a driving electric cylinder is arranged on the rear surface of the vertical plate, the utility model discloses a pressure sensor, including riser and fixedly connected with fly leaf, the lower surface welding of fly leaf has the electronic jar of exerting pressure, the piston rod one end fixedly connected with connecting plate of the electronic jar of exerting pressure, the even welding of lower surface of connecting plate has the spring, the bottom welding of spring has the seat of pressing, the connecting plate with press and install pressure sensor between the adjacent one side of seat, the lower surface one side welding of fly leaf has the mount pad, the lower surface mounting of mount pad has the ultrasonic flaw detector.
As a further preferred aspect of the present invention: the detection assembly further comprises a bearing plate, a control panel, a guide rod, a guide seat and a sliding groove, the bearing plate is welded on the rear surface of the vertical plate, and the bottom of the driving electric cylinder is installed on the upper surface of the bearing plate.
As further preferable in the present technical solution: the control panel is installed in the upper surface one corner of bottom plate, pressure sensor's electrical output pass through the wire with the electrical input end electric connection of control panel, the electrical output of ultrasonic flaw detector pass through the wire with the electrical input end electric connection of control panel, the electrical output of control panel pass through the wire with the electrical input end electric connection of motor, the electrical output of control panel pass through the wire with the electrical input end electric connection of electronic jar of drive, the electrical output of control panel pass through the wire with the electrical input end electric connection of electronic jar exerts pressure.
As further preferable in the present technical solution: two guide rods are symmetrically welded on the rear surface of the movable plate.
As further preferable in the present technical solution: the welding of one side top of riser has the guide holder, the guide holder with guide bar sliding connection.
As further preferable in the present technical solution: the rear side of the upper surface of the bottom plate is provided with a sliding groove, and the sliding groove is connected with the nut seat in a sliding manner.
As further preferable in the present technical solution: the supporting assembly further comprises supporting legs, a supporting frame, a supporting seat, a threaded rod, a clamping seat, a rubber pad, a positioning rod and a knob; the supporting device is characterized in that two supporting legs are symmetrically welded to the two sides of the upper surface of the bottom plate, supporting frames are welded to the top ends of the supporting legs, and supporting seats are welded to the bottom wall of the supporting frames.
As further preferable in the present technical solution: the blades are arranged on the upper surface of the supporting seat.
As a further preferred aspect of the present invention: one equal threaded connection in lateral wall both sides of support frame has the threaded rod, the one end of threaded rod is rotated through the bearing and is connected with the grip slipper, the threaded rod is kept away from the one end welding of grip slipper has the knob, the inside wall of grip slipper bonds and has the rubber pad.
As further preferable in the present technical solution: and a positioning rod is uniformly welded on one side of the outer side wall of the clamping seat and is in sliding connection with the support frame.
The invention has the advantages that: the pressure seat can be driven to apply pressure to the blades by extending one end of the piston rod of the pressure-applying electric cylinder, the pressure sensor can detect the magnitude and the change of the pressure to simulate the real working stress condition of the blades, the compression-resistant damage states of the blades under different pressures can be detected by the aid of the ultrasonic flaw detector, the nut seat can be driven to move by rotating one end of the output shaft of the motor, the pressure seat and the ultrasonic flaw detector can be driven to move left and right, the pressure seat and the ultrasonic flaw detector can be driven to move back and forth by driving one end of the piston rod of the electric cylinder to stretch and retract, the integral compression resistance of the blades can be automatically detected, the blades do not need to be detected by the ultrasonic flaw detector with hands, the labor intensity of a detector is reduced, the stress condition of the blades can be really simulated by the aid of the pressure seat applying different pressures, the compression resistance of the blades under the real working stress condition can be easily inferred, and the practicability of wind power blade performance detection is improved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of a structure at a certain viewing angle according to the present invention;
FIG. 3 is an enlarged view of the structure of area A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure of region B in FIG. 1;
fig. 5 is a schematic structural view of the slide groove and the nut seat of the present invention.
In the figure: 10. a support assembly; 11. a base plate; 12. supporting legs; 13. a support frame; 14. a supporting seat; 15. a blade; 16. a threaded rod; 17. a clamping seat; 18. a rubber pad; 19. positioning a rod; 110. a knob; 20. a detection component; 21. a fixing plate; 22. a screw rod; 23. a nut seat; 24. a motor; 25. a vertical plate; 26. driving the electric cylinder; 27. carrying a plate; 28. a movable plate; 29. a pressure applying electric cylinder; 210. a connecting plate; 211. a spring; 212. pressing a base; 213. a pressure sensor; 214. a mounting seat; 215. an ultrasonic flaw detector; 216. a control panel; 217. a guide rod; 218. a guide seat; 219. a chute.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: a wind power blade performance detection device comprises a supporting assembly 10 and a detection assembly 20, wherein the supporting assembly 10 comprises a bottom plate 11 and blades 15, and the detection assembly 20 comprises a fixed plate 21, a screw rod 22, a nut seat 23, a motor 24, a vertical plate 25, a driving electric cylinder 26, a movable plate 28, a pressing electric cylinder 29, a connecting plate 210, a spring 211, a pressing seat 212, a pressure sensor 213, a mounting seat 214 and an ultrasonic flaw detector 215;
two fixing plates 21 are symmetrically welded on the rear side of the upper surface of the bottom plate 11, a screw rod 22 is rotatably connected between adjacent sides of the two fixing plates 21 through a bearing, the outer side wall of the screw rod 22 is in threaded connection with a nut seat 23, a motor 24 is installed on one side of the upper surface of the bottom plate 11, one end of the screw rod 22 penetrates through the fixing plates 21 and is fixedly connected with one end of an output shaft of the motor 24, a vertical plate 25 is welded on the upper surface of the nut seat 23, a driving electric cylinder 26 is arranged on the rear surface of the vertical plate 25, one end of a piston rod of the driving electric cylinder 26 penetrates through the vertical plate 25 and is fixedly connected with a movable plate 28, a pressing electric cylinder 29 is installed on the lower surface of the movable plate 28, one end of a piston rod of the pressing electric cylinder 29 is fixedly connected with a connecting plate 210, springs 211 are uniformly welded on the lower surface of the connecting plate 210, a pressing seat 212 is welded at the bottom end of the springs 211, a pressure sensor 213 is installed between the connecting plate 210 and the adjacent sides of the pressing seat 212, a mounting seat 214 is welded on one side of the lower surface of the movable plate 28, and an ultrasonic flaw detector 215 is installed on the lower surface of the mounting seat 214; the pressing seat 212 can be driven to apply pressure to the blade 15 by extending one end of the piston rod of the pressure applying electric cylinder 29, the pressure sensor 213 can detect the magnitude and the change of the pressure, the real working stress condition of the blade 15 is simulated, the compression-resistant damage states of the blade 15 under different pressures can be detected by the ultrasonic flaw detector 215, the nut seat 23 can be driven to move by rotating one end of the output shaft of the motor 24, the pressing seat 212 and the ultrasonic flaw detector 215 can be driven to move left and right, the compression seat 212 and the ultrasonic flaw detector 215 can be driven to move back and forth by driving one end of the piston rod of the electric cylinder 26 to stretch, the integral compression resistance performance of the blade 15 can be automatically detected, the ultrasonic flaw detector 215 does not need to be held by a hand to detect the blade 15 at one point by one point, the labor intensity of a detector is reduced, the stress condition of the blade 15 can be truly simulated by applying different pressures by the pressing seat 212, the compression resistance performance of the blade 15 under the real working stress condition can be estimated, and the practicability of the wind power blade performance detection work is improved.
In this embodiment, specifically: the detection assembly 20 further comprises a bearing plate 27, a control plate 216, a guide rod 217, a guide seat 218 and a sliding chute 219, wherein the bearing plate 27 is welded on the rear surface of the vertical plate 25, and the bottom of the driving electric cylinder 26 is mounted on the upper surface of the bearing plate 27; the carrier plate 27 may provide support for the driving electric cylinder 26.
In this embodiment, specifically: a control board 216 is installed at one corner of the upper surface of the bottom plate 11, an electrical output end of the pressure sensor 213 is electrically connected to an electrical input end of the control board 216 through a wire, an electrical output end of the ultrasonic flaw detector 215 is electrically connected to an electrical input end of the control board 216 through a wire, an electrical output end of the control board 216 is electrically connected to an electrical input end of the motor 24 through a wire, an electrical output end of the control board 216 is electrically connected to an electrical input end of the driving electric cylinder 26 through a wire, and an electrical output end of the control board 216 is electrically connected to an electrical input end of the pressing electric cylinder 29 through a wire; the control board 216 is in signal connection with the background control system.
In this embodiment, specifically: two guide rods 217 are symmetrically welded on the rear surface of the movable plate 28; so that the guide rod 217 and the movable plate 28 keep moving synchronously.
In this embodiment, specifically: the top of one side of the vertical plate 25 is welded with a guide seat 218, and the guide seat 218 is connected with a guide rod 217 in a sliding manner; the guide rod 217 can provide a guiding function for the movable plate 28 when sliding, so as to improve the moving stability of the movable plate 28.
In this embodiment, specifically: a sliding groove 219 is formed in the rear side of the upper surface of the bottom plate 11, and the sliding groove 219 is connected with the nut seat 23 in a sliding manner; the nut seat 23 slides on the inner side wall of the sliding groove 219, so that the nut seat 23 is prevented from rotating along with the rotation of the screw rod 22.
In this embodiment, specifically: the supporting assembly 10 further comprises supporting legs 12, a supporting frame 13, a supporting seat 14, a threaded rod 16, a clamping seat 17, a rubber pad 18, a positioning rod 19 and a knob 110; two supporting legs 12 are symmetrically welded on two sides of the upper surface of the bottom plate 11, supporting frames 13 are welded at the top ends of the supporting legs 12, and supporting seats 14 are welded on the bottom walls of the supporting frames 13; the support base 14 is provided to support the blades 15.
In this embodiment, specifically: the vanes 15 are provided on the upper surface of the support base 14.
In this embodiment, specifically: both sides of the outer side wall of one support frame 13 are in threaded connection with threaded rods 16, one end of each threaded rod 16 is rotatably connected with a clamping seat 17 through a bearing, one end of each threaded rod 16, which is far away from the clamping seat 17, is welded with a knob 110, and the inner side wall of each clamping seat 17 is bonded with a rubber pad 18; the threaded rod 16 can be rotated clockwise to enable the threaded rod 16 to move to drive the clamping seat 17 to move to clamp and fix the blade 15, so that the blade 15 is prevented from being subjected to position deviation in the detection process, the threaded rod 16 is convenient to rotate due to the arrangement of the knob 110, hard contact between the clamping seat 17 and the blade 15 can be avoided due to the soft characteristic of the rubber pad 18, and the blade 15 is effectively protected.
In this embodiment, specifically: positioning rods 19 are uniformly welded on one side of the outer side wall of the clamping seat 17, and the positioning rods 19 are connected with the support frame 13 in a sliding manner; the positioning rod 19 and the clamping seat 17 keep synchronous movement, and the positioning rod 19 can provide a guiding function for the clamping seat 17 when sliding, so that the clamping seat 17 is prevented from rotating along with the threaded rod 16.
The working principle of the invention is as follows: the pressing seat 212 can be driven to apply pressure to the blade 15 by extending one end of the piston rod of the pressure applying electric cylinder 29, the pressure sensor 213 can detect the magnitude and the change of the pressure, the real working stress condition of the blade 15 is simulated, the compression-resistant damage states of the blade 15 under different pressures can be detected by the ultrasonic flaw detector 215, the nut seat 23 can be driven to move by rotating one end of the output shaft of the motor 24, the pressing seat 212 and the ultrasonic flaw detector 215 can be driven to move left and right, the compression seat 212 and the ultrasonic flaw detector 215 can be driven to move back and forth by driving one end of the piston rod of the electric cylinder 26 to stretch, the integral compression resistance performance of the blade 15 can be automatically detected, the ultrasonic flaw detector 215 does not need to be held by a hand to detect the blade 15 at one point by one point, the labor intensity of a detector is reduced, the stress condition of the blade 15 can be truly simulated by applying different pressures by the pressing seat 212, the compression resistance performance of the blade 15 under the real working stress condition can be estimated, and the practicability of the wind power blade performance detection work is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. The wind power blade performance detection device is characterized by comprising a support assembly (10) and a detection assembly (20), wherein the support assembly (10) comprises a bottom plate (11) and blades (15), and the detection assembly (20) comprises a fixed plate (21), a screw rod (22), a nut seat (23), a motor (24), a vertical plate (25), a driving electric cylinder (26), a movable plate (28), a pressing electric cylinder (29), a connecting plate (210), a spring (211), a pressing seat (212), a pressure sensor (213), a mounting seat (214) and an ultrasonic flaw detector (215);
two fixing plates (21) are symmetrically welded on the rear side of the upper surface of the bottom plate (11), a screw rod (22) is rotatably connected between the adjacent sides of the two fixing plates (21) through a bearing, the outer side wall of the screw rod (22) is in threaded connection with a nut seat (23), a motor (24) is arranged on one side of the upper surface of the bottom plate (11), one end of the screw rod (22) penetrates through the fixing plate (21) and is fixedly connected with one end of an output shaft of the motor (24), the upper surface of the nut seat (23) is welded with a vertical plate (25), the rear surface of the vertical plate (25) is provided with a driving electric cylinder (26), one end of a piston rod of the driving electric cylinder (26) penetrates through the vertical plate (25) and is fixedly connected with a movable plate (28), the lower surface of the movable plate (28) is provided with a pressure-applying electric cylinder (29), one end of a piston rod of the pressure-applying electric cylinder (29) is fixedly connected with a connecting plate (210), the lower surface of the connecting plate (210) is uniformly welded with springs (211), a pressing seat (212) is welded at the bottom end of the spring (211), a pressure sensor (213) is arranged between the connecting plate (210) and one side adjacent to the pressing seat (212), a mounting seat (214) is welded on one side of the lower surface of the movable plate (28), and an ultrasonic flaw detector (215) is arranged on the lower surface of the mounting seat (214).
2. The wind turbine blade performance detection device of claim 1, wherein: the detection assembly (20) further comprises a bearing plate (27), a control plate (216), a guide rod (217), a guide seat (218) and a sliding groove (219), the bearing plate (27) is welded to the rear surface of the vertical plate (25), and the bottom of the driving electric cylinder (26) is installed on the upper surface of the bearing plate (27).
3. The wind turbine blade performance detection device of claim 2, wherein: control panel (216) is installed to the upper surface one corner of bottom plate (11), the electrical output of pressure sensor (213) pass through the wire with the electrical input end electric connection of control panel (216), the electrical output of ultrasonic flaw detector (215) pass through the wire with the electrical input end electric connection of control panel (216), the electrical output of control panel (216) pass through the wire with the electrical input end electric connection of motor (24), the electrical output of control panel (216) pass through the wire with the electrical input end electric connection of drive electronic jar (26), the electrical output of control panel (216) pass through the wire with the electrical input end electric connection of electronic jar (29) of exerting pressure.
4. The wind turbine blade performance detection device of claim 2, wherein: two guide rods (217) are symmetrically welded on the rear surface of the movable plate (28).
5. The wind turbine blade performance detection device of claim 4, wherein: a guide seat (218) is welded at the top of one side of the vertical plate (25), and the guide seat (218) is in sliding connection with the guide rod (217).
6. The wind turbine blade performance detection device of claim 2, wherein: the rear side of the upper surface of the bottom plate (11) is provided with a sliding groove (219), and the sliding groove (219) is connected with the nut seat (23) in a sliding manner.
7. The wind turbine blade performance detection device of claim 2, wherein: the supporting assembly (10) further comprises supporting legs (12), a supporting frame (13), a supporting seat (14), a threaded rod (16), a clamping seat (17), a rubber pad (18), a positioning rod (19) and a knob (110); the equal symmetrical welding in upper surface both sides of bottom plate (11) has two supporting legs (12), the top welding of supporting leg (12) has support frame (13), the inside diapire welding of support frame (13) has supporting seat (14).
8. The wind turbine blade performance detection device of claim 7, wherein: the blades (15) are arranged on the upper surface of the supporting seat (14).
9. The wind turbine blade performance detection device of claim 7, wherein: one equal threaded connection in lateral wall both sides of support frame (13) has threaded rod (16), the one end of threaded rod (16) is rotated through the bearing and is connected with grip slipper (17), threaded rod (16) are kept away from the one end welding of grip slipper (17) has knob (110), the inside wall of grip slipper (17) bonds there is rubber pad (18).
10. The wind turbine blade performance detection device of claim 9, wherein: positioning rods (19) are uniformly welded on one side of the outer side wall of the clamping seat (17), and the positioning rods (19) are connected with the supporting frame (13) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477200.7A CN115791391A (en) | 2022-11-23 | 2022-11-23 | Wind-powered electricity generation blade performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477200.7A CN115791391A (en) | 2022-11-23 | 2022-11-23 | Wind-powered electricity generation blade performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115791391A true CN115791391A (en) | 2023-03-14 |
Family
ID=85440700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211477200.7A Pending CN115791391A (en) | 2022-11-23 | 2022-11-23 | Wind-powered electricity generation blade performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115791391A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990464A (en) * | 2023-09-25 | 2023-11-03 | 南通百盛精密机械有限责任公司 | Wind driven generator blade surface defect detection device |
| CN117288835A (en) * | 2023-11-27 | 2023-12-26 | 江苏腾沅机械科技有限公司 | Automatic detection device for turbine blade |
-
2022
- 2022-11-23 CN CN202211477200.7A patent/CN115791391A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990464A (en) * | 2023-09-25 | 2023-11-03 | 南通百盛精密机械有限责任公司 | Wind driven generator blade surface defect detection device |
| CN116990464B (en) * | 2023-09-25 | 2023-12-08 | 南通百盛精密机械有限责任公司 | Wind driven generator blade surface defect detection device |
| CN117288835A (en) * | 2023-11-27 | 2023-12-26 | 江苏腾沅机械科技有限公司 | Automatic detection device for turbine blade |
| CN117288835B (en) * | 2023-11-27 | 2024-01-26 | 江苏腾沅机械科技有限公司 | Automatic detection device for turbine blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115791391A (en) | Wind-powered electricity generation blade performance detection device | |
| CN210602297U (en) | Solar heat collection mounting rack | |
| CN210985812U (en) | Sand prevention device for submersible motor | |
| CN210769164U (en) | Lightning protection device for direct-drive wind generating set | |
| CN209746096U (en) | Improved generation load noise testing arrangement | |
| CN215065066U (en) | Air tightness detection table for upper cover of automobile battery | |
| CN108374764A (en) | A kind of double acting power generation device of inshore | |
| CN210709910U (en) | Woven cloth winding and packaging mechanism | |
| CN212645675U (en) | Fan blade processing radian detection device for wind power new energy | |
| CN212124237U (en) | Practical foam positioning jig | |
| CN210553097U (en) | Wind-powered electricity generation blade web bonds pushes down frock | |
| CN206945277U (en) | Photovoltaic component terminal box detection device | |
| CN205080018U (en) | Car steering wheel abrasion test fixing device | |
| CN211991174U (en) | Cutting device of beryllium copper board | |
| CN214577540U (en) | Fan blade vibration detection device | |
| CN214585124U (en) | Bridge engineering detects uses auxiliary device | |
| CN213532143U (en) | Angle adjusting mechanism | |
| CN220197386U (en) | Wind power generation blade test fixture | |
| CN213585418U (en) | Motor base convenient to motor installation is fixed | |
| CN219119382U (en) | Wind generating set fault detection device | |
| CN218822446U (en) | Novel wind-resistant and anti-collision grassland ecological monitoring device | |
| CN208896612U (en) | A kind of production equipment improving laser composite film stability | |
| CN219034898U (en) | Speed limiting device of wind driven generator | |
| CN203324158U (en) | Magnetic steel detecting device | |
| CN213658257U (en) | Full-power engine power testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |