CN206738080U - A kind of load charger for generator blade static load test - Google Patents
A kind of load charger for generator blade static load test Download PDFInfo
- Publication number
- CN206738080U CN206738080U CN201720622052.1U CN201720622052U CN206738080U CN 206738080 U CN206738080 U CN 206738080U CN 201720622052 U CN201720622052 U CN 201720622052U CN 206738080 U CN206738080 U CN 206738080U
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- Prior art keywords
- load
- blade
- console
- plc
- generator blade
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Abstract
The utility model discloses a kind of load charger for generator blade static load test, including fixation kit and charging assembly；Fixation kit includes rail；Firm banking is provided with extended spot of the rail along straight line；Positioning hole is provided with firm banking；Charging assembly includes motor and stationary fixture；Load small car bottom and be provided with road wheel；Loading dolly sidepiece is provided with console；Console is built-in with PLC, and console surface is display；Motor is connected with PLC by wire；Stationary fixture is connected by steel cable with motor main shaft.The utility model, it is simple in construction, it is skillfully constructed, cost is cheap, by being used cooperatively for more charging assemblies, realizes effective measurement to medium-sized blade to large-scale blade, PLC coordinates the use of servomotor, measurement accuracy is improved, ensure that detection quality, there is very strong practicality and generalization.
Description
Technical field
The utility model belongs to the technical field of wind power equipment manufacture and detection, and in particular to one kind is used for generator blade
The load charger of static load test.
Background technology
Core component of the blade as Wind turbines, various complicated load are subject in unit operation, carried out just
Formula is assessed using form is preceding had to pass through, and to ensure the safety and reliability of unit operation, assessment includes：Static(al), mode, matter
Amount and Stiffness Distribution etc..Blade static trial be exactly under blade inactive state to blade apply load, by installed in
On blade test equipment collection blade stress-strain data, the purpose is to pilot blade bear ultimate load ability and
Deformation characteristic of the blade in the case of ultimate load is born.The test load applied during static trial to blade is set as
The 110% of design limit load, apply the maximum load with certain safety allowance in blade testing direction, to test its flexing
Stability, rigidity and blade tip maximum displacement.
Crane loading device generally is selected in existing static load test, expensive, accuracy detection is low, and is not suitable for
The crop leaf measuring of medium-to-large, there is certain limitation.
Utility model content
The purpose of this utility model is to be directed to above-mentioned deficiency of the prior art, there is provided it is quiet that one kind is used for generator blade
The load charger of load test, to solve the problems, such as that static load test is costly, precision is low and limitation.
To reach above-mentioned purpose, the utility model adopts the technical scheme that：
A kind of load charger for generator blade static load test, including fixation kit and charging assembly；
Fixation kit includes rail；Firm banking is provided with extended spot of the rail along straight line；It is fixed to be provided with firm banking
Position hole；
Charging assembly includes motor and located at the small in-car stationary fixture of loading；Small car bottom is loaded to be provided with and rail
The road wheel of cooperation；Loading dolly sidepiece is provided with console；Console is built-in with PLC, and console surface is display；
Motor is connected with PLC by wire；Stationary fixture is connected by steel cable with motor main shaft.
Preferably, it is steel frame outside stationary fixture；The fixture block being connected with steel cable is provided with inside steel frame；The table of fixture block
Face is glued with rubber blanket.
Preferably, motor is servomotor.
Preferably, servomotor is located at straddle truck cradle top；Straddle truck support is fixed on loading dolly.
Preferably, straddle truck support is provided with the groove for embedding wire.
Load charger provided by the utility model for generator blade static load test, have below beneficial to effect
Fruit：
Blade is fixed on fixation kit by the utility model, and clamps blade with least one stationary fixture, meanwhile,
PLC rotates step-length by changing umber of pulse to change servomotor, so as to adjust the size for applying load, with realization pair
The accurate control of blade loading, and coordinate multiple monitoring instruments, realize the accurate measurement to blade dead load.
The utility model, it is simple in construction, it is skillfully constructed, cost is cheap, by being used cooperatively for more charging assemblies, realizes
Effective measurement to medium-sized blade to large-scale blade, PLC coordinate the use of servomotor, improve measurement accuracy, protect
Detection quality has been demonstrate,proved, there is very strong practicality and generalization.
Brief description of the drawings
Fig. 1 is the front view of the load charger for generator blade static load test.
Fig. 2 is the side view of the load charger for generator blade static load test.
Wherein, 1, straddle truck support；2nd, servomotor；3rd, stationary fixture；4th, console；5th, rail；6th, road wheel；7th, it is solid
Determine base；8th, positioning hole.
Embodiment
Specific embodiment of the present utility model is described below, in order to which those skilled in the art understand
The utility model, it should be apparent that the utility model is not limited to the scope of embodiment, to the common skill of the art
For art personnel, if various change in the spirit and scope of the present utility model that appended claim limits and determines,
These changes are it will be apparent that all are created in the row of protection using the utility model of the utility model design.
According to one embodiment of the application, as shown in Figure 1-2, this programme is used for generator blade static load test
Load charger, including fixation kit and charging assembly.
Fixation kit includes rail 5, is provided with firm banking 7 in extended spot of the rail 5 along straight line, is set on firm banking 7
There is positioning hole 8, the outside of stationary fixture 3 is steel frame, and the fixture block being connected with steel cable is provided with inside steel frame, and the surface of fixture block is tight
Post rubber blanket., will be fixed in the loom insertion positioning hole 8 of blade in static load test.
Charging assembly includes motor and stationary fixture 3, and motor is servomotor 2, is installed on straddle truck support 1
Top, stationary fixture 3 are installed on the small in-car of loading, and stationary fixture 3 is connected by steel cable with the main shaft of servomotor 2.
It is road wheel 6 to load small car bottom, and road wheel 6 can slide on rail 5.It is console 4 to load dolly sidepiece, control
The surface of platform 4 processed is display, and the inside of console 4 is PLC, and PLC is connected by wire with servomotor 2, PLC
Controller rotates step-length by changing umber of pulse to change servomotor 2, so as to adjust the size for applying load.
The present embodiment is one 11 meters long large-scale pneumatic equipment bladess static load test.
Blade one end is fixed in positioning hole 8, from two charging assemblies, respectively at from blade side end 4m and 8 meters,
Blade is fixed with stationary fixture 3, the head and the tail both ends for the fixture block of clamping are fixed with belt respectively.
Before static load test, apply 40% preload to each direction of blade, with to measuring system, geometrical clamp
Tool 3 is connected with blade, the connection of blade root and firm banking 7 is checked, determines whether Pass Test technical requirements.Tense experiment
Part, gap is eliminated, load is since 40% test load, and the test of increase by 20% load, load increase to 100% test load every time
Untill.
During static load test, the constantly acting load recorder on straddle truck support 1, the drawstring between two stationary fixtures 3
Upper fixed pulling rope formula sensor with data readout displacement transducer, it is fixed in blade girder, blunt trailing edge, trailing edge sandwich and shear web to answer
Become piece.
Hoisting point position is chosen for the girder central point of the position of blade profile 1/3rd, the load-bearing surface of holder contacts blade
The blade profile of locality must be accurately matched, and elasticity is made it have with rubber blanket.Fixture block it is slight and blade contact, avoided
Degree clamps extruding blade so as to damage type face and shear layer, pass through console between two charging assemblies independently of each other, during experiment
4 pairs of servomotors 2, which are controlled, makes it be lifted up applying load simultaneously, by controlling each rotating cycle of servomotor 2
Upward magnitude of load is controlled, is kept for 10 seconds when load reaches demand load, and is passed by the displacement of dragline type sensor with data readout
Sensor records magnitude of load, foil gauge measurement blade strain and the longitudinal strain of blade girder.
The utility model, it is simple in construction, it is skillfully constructed, cost is cheap, by being used cooperatively for more charging assemblies, realizes
Effective measurement to medium-sized blade to large-scale blade, PLC coordinate the use of servomotor 2, improve measurement accuracy, protect
Detection quality has been demonstrate,proved, there is very strong practicality and generalization.
Although being described in detail with reference to accompanying drawing to the embodiment of utility model, should not be construed as to this
The restriction of the protection domain of patent.In the scope described by claims, those skilled in the art are without creative work
The various modification and variation that can be made still belong to the protection domain of this patent.
Claims (5)
- A kind of 1. load charger for generator blade static load test, it is characterised in that：Including fixation kit and add Carry component；The fixation kit includes rail；Firm banking is provided with extended spot of the rail along straight line；In the firm banking It is provided with positioning hole；The charging assembly includes motor and located at the small in-car stationary fixture of loading；The small car bottom of the loading be provided with The road wheel that rail coordinates；The loading dolly sidepiece is provided with console；The console is built-in with PLC, console Surface is display；The motor is connected with PLC by wire；The stationary fixture passes through steel cable and driving electricity Owner's axle is connected.
- 2. the load charger according to claim 1 for generator blade static load test, it is characterised in that：Institute It is steel frame to state outside stationary fixture；The fixture block being connected with steel cable is provided with inside the steel frame；The surface of the fixture block is tight Post rubber blanket.
- 3. the load charger according to claim 1 for generator blade static load test, it is characterised in that：Institute It is servomotor to state motor.
- 4. the load charger according to claim 3 for generator blade static load test, it is characterised in that：Institute State servomotor and be located at straddle truck cradle top；The straddle truck support is fixed on loading dolly.
- 5. the load charger according to claim 4 for generator blade static load test, it is characterised in that：Institute State straddle truck support and be provided with the groove for embedding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622052.1U CN206738080U (en) | 2017-06-01 | 2017-06-01 | A kind of load charger for generator blade static load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622052.1U CN206738080U (en) | 2017-06-01 | 2017-06-01 | A kind of load charger for generator blade static load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738080U true CN206738080U (en) | 2017-12-12 |
Family
ID=60568955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622052.1U Expired - Fee Related CN206738080U (en) | 2017-06-01 | 2017-06-01 | A kind of load charger for generator blade static load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374403A (en) * | 2018-12-25 | 2019-02-22 | 江苏金风科技有限公司 | The test platform of blade and the test method of blade |
| CN112268691A (en) * | 2020-10-28 | 2021-01-26 | 山东理工大学 | Dead weight balancing device used in static force loading and side-pulling test of wind power blade |
-
2017
- 2017-06-01 CN CN201720622052.1U patent/CN206738080U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374403A (en) * | 2018-12-25 | 2019-02-22 | 江苏金风科技有限公司 | The test platform of blade and the test method of blade |
| CN109374403B (en) * | 2018-12-25 | 2021-01-22 | 江苏金风科技有限公司 | Blade testing platform and blade testing method |
| CN112268691A (en) * | 2020-10-28 | 2021-01-26 | 山东理工大学 | Dead weight balancing device used in static force loading and side-pulling test of wind power blade |
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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 |
Granted publication date: 20171212 Termination date: 20210601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |