CN112798410A - Strength detection device for wind wheel blade of fan generator set - Google Patents
Strength detection device for wind wheel blade of fan generator set Download PDFInfo
- Publication number
- CN112798410A CN112798410A CN202110332593.1A CN202110332593A CN112798410A CN 112798410 A CN112798410 A CN 112798410A CN 202110332593 A CN202110332593 A CN 202110332593A CN 112798410 A CN112798410 A CN 112798410A
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- fixedly connected
- blade
- sleeve
- detection device
- wind wheel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Life Sciences & Earth Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a strength detection device for a wind wheel blade of a fan generator set, which comprises a bottom plate, a box body, a hydraulic cylinder and a forward and reverse rotation motor, wherein a notch is formed in the inner side of the bottom plate, a fixed seat is fixedly connected to the upper end of the bottom plate, a fixed groove is formed in the fixed seat, the blade is inserted in the fixed groove, a fixed rod is connected in the fixed seat through a thread, the lower end of the fixed rod is in close contact with the surface of the blade, the box body is fixedly connected to the upper end of the bottom plate, the inner side of the box body is fixedly connected with the fixed seat, a first switch and a second switch are fixedly installed at the right end of the box body, the first switch and the hydraulic cylinder are connected with an external power supply in series through. The invention relates to a strength detection device for a wind wheel blade of a fan generator set, which has the characteristics of convenience in transferring and clamping, realization of multi-point detection and safety protection.
Description
Technical Field
The invention belongs to the technical field of fan generator sets, and particularly relates to a strength detection device for a wind wheel blade of a fan generator set.
Background
The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like; the wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc.
The core component of the wind turbine generator set is the wind turbine blade, the performance of the wind turbine blade is very critical, and the strength of the blade needs to be detected in the detection process of the wind turbine blade. But the clamping is shifted to the blade to current intensity detection device is inconvenient, leads to detecting inconveniently, and inconvenient carrying out position adjustment when detecting moreover is unfavorable for selecting different check points and detects, lacks safety protection when detecting moreover. There is therefore a need for improvements in the prior art.
The invention content is as follows:
the invention aims to solve the problems, and provides a strength detection device for a wind wheel blade of a fan generator set, which solves the problems in the prior art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a fan generator set is intensity detection device for wind wheel blade, includes bottom plate, box, pneumatic cylinder and positive reverse motor, the breach is seted up to the inboard of bottom plate, the upper end fixedly connected with fixing base of bottom plate, the fixed slot has been seted up in the fixing base, it has the blade to peg graft in the fixed slot, there is the dead lever through threaded connection in the fixing base, the lower extreme of dead lever and the surperficial in close contact with of blade, the upper end fixedly connected with box of bottom plate, the inboard and the fixing base fixed connection of box, the right-hand member fixed mounting of box has first switch and second switch, and first switch and pneumatic cylinder pass through wire and external power supply series connection, second switch and positive reverse motor pass through wire and external power supply series connection.
Preferably, the upper end of the box body is provided with a sliding groove, and a hydraulic rod is connected in the sliding groove in a sliding mode.
Preferably, the surface of the fixing seat is in contact with a supporting plate, the upper end of the supporting plate is fixedly connected with a connecting block, the upper end of the connecting block is fixedly connected with a clamping seat, blades are clamped in the clamping seat, the upper end of the supporting plate is connected with a clamping seat, the blades are clamped on the inner side of the clamping seat, the lower end of the supporting plate is fixedly connected with a supporting sleeve, a bearing is embedded in the supporting sleeve, a connecting shaft is sleeved in the bearing, a wheel carrier is fixedly connected to the lower end of the connecting shaft, wheels are hinged in the wheel carrier and located on the inner side of the notch, and an adjusting plate is slidably connected to the upper.
Preferably, the adjusting plate is provided with a through hole, and a hydraulic rod is connected in the through hole in a sliding mode.
As preferred, the upper end fixed mounting of regulating plate has the pneumatic cylinder, the adapter sleeve has been cup jointed to the lower extreme of the hydraulic stem of pneumatic cylinder, sliding connection has first bolt in the adapter sleeve, the lower extreme fixedly connected with tensiometer of adapter sleeve, the lower extreme of tensiometer is provided with the arc pole, wire rope has been cup jointed on the arc pole, wire rope's outside fixed mounting has first fixed cover, U type frame has been cup jointed to wire rope's bottom, wire rope's the fixed cover of bottom outside fixed mounting second, the lower extreme fixedly connected with cutting ferrule of U type frame, the blade has been cup jointed to the inside of cutting ferrule, there is the check pin through threaded connection in the cutting ferrule, the lower extreme of check pin and the surperficial in close contact with of blade.
As preferred, the upper end fixed mounting of box has just reversing motor, the axle sleeve has been cup jointed in the outside slip of the motor shaft of just reversing motor, the left end fixedly connected with threaded rod of axle sleeve, there is the thread bush outside of threaded rod through threaded connection, the left end fixedly connected with first connecting plate of thread bush, the lower extreme fixedly connected with regulating plate of first connecting plate, the upper end fixedly connected with supporting seat of box, the upper end fixedly connected with uide bushing of supporting seat, the inside sliding connection of uide bushing has the guide arm, the right-hand member fixedly connected with second connecting plate of guide arm, the lower extreme fixedly connected with regulating plate of second connecting plate.
Preferably, a second bolt is connected in the shaft sleeve in a sliding mode, and the second bolt is connected with the motor shaft through threads.
Preferably, the box body is hinged with a box door, and the lower end of the box door is in contact with the bottom plate.
The invention has the beneficial effects that: the invention relates to a strength detection device for a wind wheel blade of a fan generator set, which has the characteristics of convenience in transferring and clamping, realization of multi-point detection and safety protection, and has the following three beneficial effects compared with the traditional strength detection device for the wind wheel blade of the fan generator set in specific use:
firstly, a moving mechanism is formed by designing a supporting plate, a wheel carrier, wheels, a clamping seat and other parts, so that the blades are convenient to transfer, and a fixed seat and a fixed rod are also designed, so that one end of each blade can be fixed, the blades can be conveniently and quickly clamped, and the detection work is convenient;
secondly, the blade main body can be clamped by designing parts such as a clamping sleeve and a locking nail, and the parts such as a steel wire rope are connected with a tension meter and driven by a hydraulic cylinder, so that the blade is pulled, the strength of the blade is detected, and an adjusting mechanism is formed by designing parts such as a forward and reverse rotating motor, a threaded rod, a threaded sleeve, a first connecting plate and an adjusting plate, so that the position of the hydraulic cylinder can be adjusted, the clamping sleeve can be suitable for clamping different positions of the blade, and multi-point detection is facilitated;
in addition, through parts such as design box, chamber door, constitute relative confined space for in testing process, the blade fracture takes place to fly to jump and also can not cause the injury to the staff, makes detection device's security higher.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the case of FIG. 1 of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of the portion C of FIG. 1 according to the present invention;
FIG. 6 is a top view of the adjustment block of FIG. 1 in accordance with the present invention;
fig. 7 is a left side view of the cartridge of fig. 1 in accordance with the present invention.
In the figure: 1. a base plate; 2. a notch; 3. a fixed seat; 4. fixing grooves; 5. a blade; 6. fixing the rod; 7. a box body; 8. a chute; 9. a first switch; 10. a second switch; 11. a support plate; 12. connecting blocks; 13. a card holder; 14. installing a clamping seat; 15. a support sleeve; 16. a bearing; 17. a connecting shaft; 18. a wheel carrier; 19. a wheel; 20. an adjusting plate; 21. a through hole; 22. a hydraulic cylinder; 23. a hydraulic lever; 24. connecting sleeves; 25. a first bolt; 26. a tension meter; 27. an arcuate bar; 28. a wire rope; 29. a first fixing sleeve; 30. a second fixing sleeve; 31. a U-shaped frame; 32. a card sleeve; 33. locking nails; 34. a positive and negative rotation motor; 35. a motor shaft; 36. a shaft sleeve; 37. a second bolt; 38. a threaded rod; 39. a threaded sleeve; 40. a first connecting plate; 41. a supporting seat; 42. a guide sleeve; 43. a guide bar; 44. a second connecting plate; 45. and (4) a box door.
The specific implementation mode is as follows:
as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment:
example (b):
a strength detection device for wind wheel blades of a fan generator set comprises a bottom plate 1, a box body 7, a hydraulic cylinder 22 and a positive and negative rotation motor 34, a gap 2 is arranged on the inner side of the bottom plate 1, a fixed seat 3 is fixedly connected with the upper end of the bottom plate 1, a fixed groove 4 is arranged in the fixed seat 3, a blade 5 is inserted in the fixed groove 4, a fixed rod 6 is connected in the fixed seat 3 through a thread, the lower end of the fixed rod 6 is tightly contacted with the surface of the blade 5, the upper end of the bottom plate 1 is fixedly connected with a box body 7, the inner side of the box body 7 is fixedly connected with the fixed seat 3, the right end of the box body 7 is fixedly provided with a first switch 9 and a second switch 10, the first switch 9 and the hydraulic cylinder 22 are connected in series with an external power supply through leads, the second switch 10 and the forward and reverse rotation motor 34 are connected in series with an external power supply through a lead.
The upper end of the box body 7 is provided with a sliding chute 8, and a hydraulic rod 23 is connected in the sliding chute 8 in a sliding mode.
The utility model discloses a fan blade assembly, including fixing base 3, backup pad 11, the upper end fixedly connected with connecting block 12 of backup pad 11, the upper end fixedly connected with cassette 13 of connecting block 12, the joint has blade 5 in cassette 13, the upper end of backup pad 11 is connected with clamping seat 14, blade 5 is clamped to clamping seat 14's inboard, the lower extreme fixedly connected with of backup pad 11 supports cover 15, it has bearing 16 to inlay in supporting cover 15, connecting axle 17 has been cup jointed in bearing 16, the lower extreme fixedly connected with wheel carrier 18 of connecting axle 17, it has wheel 19 to articulate in the wheel carrier 18, wheel 19 is located the inboard of breach 2, the upper end sliding connection of box 7 has regulating plate 20.
Wherein, a through hole 21 is opened on the adjusting plate 20, and a hydraulic rod 23 is slidably connected in the through hole 21.
Wherein, the upper end fixed mounting of regulating plate 20 has pneumatic cylinder 22, the adapter sleeve 24 has been cup jointed to the lower extreme of hydraulic stem 23 of pneumatic cylinder 22, sliding connection has first bolt 25 in the adapter sleeve 24, the lower extreme fixedly connected with tensiometer 26 of adapter sleeve 24, the lower extreme of tensiometer 26 is provided with arc pole 27, wire rope 28 has been cup jointed on the arc pole 27, wire rope 28's the outside fixed mounting has first fixed cover 29, wire rope 28's bottom has been cup jointed U type frame 31, wire rope 28's the fixed cover 30 of bottom outside fixed mounting has the second, the lower extreme fixedly connected with cutting ferrule 32 of U type frame 31, blade 5 has been cup jointed to the inside of cutting ferrule 32, there is locking nail 33 through threaded connection in the cutting ferrule 32, the lower extreme of locking nail 33 and the surperficial in close contact with of blade 5.
Wherein, the upper end fixed mounting of box 7 has just reversing motor 34, axle sleeve 36 has been cup jointed in the outside slip of motor shaft 35 of just reversing motor 34, the left end fixedly connected with threaded rod 38 of axle sleeve 36, threaded rod 38's the outside has thread bush 39 through threaded connection, thread bush 39's left end fixedly connected with first connecting plate 40, first connecting plate 40's lower extreme fixedly connected with regulating plate 20, the upper end fixedly connected with supporting seat 41 of box 7, the upper end fixedly connected with uide bushing 42 of supporting seat 41, the inside sliding connection of uide bushing 42 has guide arm 43, the right-hand member fixedly connected with second connecting plate 44 of guide arm 43, the lower extreme fixedly connected with regulating plate 20 of second connecting plate 44.
A second bolt 37 is slidably connected in the bushing 36, and the second bolt 37 is in threaded connection with the motor shaft 35.
Wherein, a box door 45 is hinged on the box body 7, and the lower end of the box door 45 is contacted with the bottom plate 1.
The using state of the invention is as follows: when the blade 5 needs to be detected, the blade 5 is firstly placed on the clamping seat 13 and the clamping seat 14, then the box door 45 is opened, then the supporting plate 11 is pushed into the box body 7, the wheel 19 is placed in the gap 2, then one end of the blade 5 is lifted, the clamping sleeve 32 is sleeved on the outer side of the blade 5, the left end of the blade 5 is pushed into the fixing groove 4 of the fixing seat 3, then the fixing rod 6 is rotated, the fixing rod 6 and the fixing seat 3 generate a threaded motion to generate a relative displacement, so that the fixing rod 6 moves downwards to clamp the blade 5, then the clamping sleeve 32 is pushed to a proper position, then the locking nail 33 is rotated, the locking nail 33 and the clamping sleeve 32 generate a threaded motion to generate a relative displacement, so that the locking nail 33 clamps the blade 5, then the box door 45 is closed, the first switch 9 is started, the hydraulic cylinder 22 is driven to work, the hydraulic rod 23 of the hydraulic cylinder 22 moves upwards, the connecting sleeve 24 drives the tension meter 26 to move upwards, the tension meter 26 drives the arc-shaped rod 27 to move upwards, the arc-shaped rod 27 drives the steel wire rope 28 to move upwards, the steel wire rope 28 drives the U-shaped frame 31 to move upwards, the U-shaped frame 31 drives the clamping sleeve 32 to move upwards, the blade 5 can be pulled, strength detection can be carried out on the blade 5, the tension meter 26 can record the tension of the blade 5 during fracture, and a protection structure can be formed by designing the box body 7 and the box door 45, so that injury to workers in the fracture process can be prevented; when different positions of the blade 5 need to be detected, the locking nail 33 can be reversed, the locking of the blade 5 is released, the cutting sleeve 32 is shifted and then locked through the locking nail 33, the switch of the second switch 10 is started, the forward and reverse rotating motor 34 works, the motor shaft 35 of the forward and reverse rotating motor 34 drives the shaft sleeve 36 to rotate, the shaft sleeve 36 drives the threaded rod 38 to rotate, the threaded rod 38 and the threaded sleeve 39 are in threaded motion to generate relative displacement, the threaded sleeve 39 drives the first connecting plate 40 to move, the first connecting plate 40 drives the adjusting plate 20 to move, and therefore the hydraulic cylinder 22 moves, the steel wire rope 28 can adapt to the position adjustment of the cutting sleeve 32, and multi-point detection is facilitated.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fan generating set is intensity detection device for wind wheel blade, includes bottom plate (1), box (7), pneumatic cylinder (22) and positive reverse motor (34), its characterized in that: a gap (2) is arranged on the inner side of the bottom plate (1), a fixed seat (3) is fixedly connected with the upper end of the bottom plate (1), a fixed groove (4) is arranged in the fixed seat (3), a blade (5) is inserted in the fixed groove (4), a fixed rod (6) is connected in the fixed seat (3) through a thread, the lower end of the fixed rod (6) is tightly contacted with the surface of the blade (5), the upper end of the bottom plate (1) is fixedly connected with a box body (7), the inner side of the box body (7) is fixedly connected with the fixed seat (3), a first switch (9) and a second switch (10) are fixedly arranged at the right end of the box body (7), the first switch (9) and the hydraulic cylinder (22) are connected in series with an external power supply through a lead, the second switch (10) and the positive and negative rotation motor (34) are connected in series with an external power supply through a lead.
2. The strength detection device for the wind wheel blade of the fan generator set according to claim 1, characterized in that: the upper end of the box body (7) is provided with a sliding chute (8), and a hydraulic rod (23) is connected in the sliding chute (8) in a sliding mode.
3. The strength detection device for the wind wheel blade of the fan generator set according to claim 1, characterized in that: the surface of the fixed seat (3) is connected with a supporting plate (11) in a contact way, the upper end of the supporting plate (11) is fixedly connected with a connecting block (12), the upper end of the connecting block (12) is fixedly connected with a clamping seat (13), blades (5) are clamped in the clamping seat (13), the upper end of the supporting plate (11) is connected with a clamping seat (14), the inner side of the clamping seat (14) is clamped with a blade (5), the lower end of the supporting plate (11) is fixedly connected with a supporting sleeve (15), a bearing (16) is embedded in the supporting sleeve (15), a connecting shaft (17) is sleeved in the bearing (16), the lower end of the connecting shaft (17) is fixedly connected with a wheel carrier (18), articulated in wheel carrier (18) have wheel (19), wheel (19) are located the inboard of breach (2), the upper end sliding connection of box (7) has regulating plate (20).
4. The strength detection device for the wind wheel blade of the fan generator set according to claim 3, characterized in that: a through hole (21) is formed in the adjusting plate (20), and a hydraulic rod (23) is connected in the through hole (21) in a sliding mode.
5. The strength detection device for the wind wheel blade of the fan generator set according to claim 3, characterized in that: the upper end fixed mounting of regulating plate (20) has pneumatic cylinder (22), adapter sleeve (24) has been cup jointed to the lower extreme of hydraulic stem (23) of pneumatic cylinder (22), sliding connection has first bolt (25) in adapter sleeve (24), the lower extreme fixedly connected with tensiometer (26) of adapter sleeve (24), the lower extreme of tensiometer (26) is provided with arc pole (27), wire rope (28) has been cup jointed on arc pole (27), the outside fixed mounting of wire rope (28) has first fixed cover (29), U type frame (31) has been cup jointed to the bottom of wire rope (28), the bottom outside fixed mounting of wire rope (28) has second fixed cover (30), the lower extreme fixedly connected with cutting ferrule (32) of U type frame (31), blade (5) have been cup jointed to the inside of cutting ferrule (32), there is locking nail (33) through threaded connection in cutting ferrule (32), the lower end of the locking nail (33) is in close contact with the surface of the blade (5).
6. The strength detection device for the wind wheel blade of the fan generator set according to claim 1, characterized in that: a forward and reverse rotation motor (34) is fixedly arranged at the upper end of the box body (7), a shaft sleeve (36) is sleeved on the outer side of a motor shaft (35) of the forward and reverse rotation motor (34) in a sliding manner, a threaded rod (38) is fixedly connected at the left end of the shaft sleeve (36), a threaded sleeve (39) is connected at the outer side of the threaded rod (38) through threads, the left end of the threaded sleeve (39) is fixedly connected with a first connecting plate (40), the lower end of the first connecting plate (40) is fixedly connected with an adjusting plate (20), the upper end of the box body (7) is fixedly connected with a supporting seat (41), the upper end of the supporting seat (41) is fixedly connected with a guide sleeve (42), a guide rod (43) is connected inside the guide sleeve (42) in a sliding manner, a second connecting plate (44) is fixedly connected at the right end of the guide rod (43), the lower end of the second connecting plate (44) is fixedly connected with an adjusting plate (20).
7. The strength detection device for the wind wheel blade of the fan generator set according to claim 6, characterized in that: and a second bolt (37) is connected in the shaft sleeve (36) in a sliding manner, and the second bolt (37) is in threaded connection with the motor shaft (35).
8. The strength detection device for the wind wheel blade of the fan generator set according to claim 1, characterized in that: a box door (45) is hinged to the box body (7), and the lower end of the box door (45) is in contact with the bottom plate (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110332593.1A CN112798410A (en) | 2021-03-29 | 2021-03-29 | Strength detection device for wind wheel blade of fan generator set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110332593.1A CN112798410A (en) | 2021-03-29 | 2021-03-29 | Strength detection device for wind wheel blade of fan generator set |
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CN112798410A true CN112798410A (en) | 2021-05-14 |
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CN202110332593.1A Withdrawn CN112798410A (en) | 2021-03-29 | 2021-03-29 | Strength detection device for wind wheel blade of fan generator set |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113982849A (en) * | 2021-09-08 | 2022-01-28 | 叶县国博大石崖风力发电有限公司 | Strength detection device of blade for wind driven generator |
-
2021
- 2021-03-29 CN CN202110332593.1A patent/CN112798410A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113982849A (en) * | 2021-09-08 | 2022-01-28 | 叶县国博大石崖风力发电有限公司 | Strength detection device of blade for wind driven generator |
CN113982849B (en) * | 2021-09-08 | 2023-07-25 | 叶县国博大石崖风力发电有限公司 | Intensity detection device of blade for wind driven generator |
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Application publication date: 20210514 |