CN208888076U - Bus fatigue experimental device based on hydraulic vibration gen - Google Patents
Bus fatigue experimental device based on hydraulic vibration gen Download PDFInfo
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- CN208888076U CN208888076U CN201821234857.XU CN201821234857U CN208888076U CN 208888076 U CN208888076 U CN 208888076U CN 201821234857 U CN201821234857 U CN 201821234857U CN 208888076 U CN208888076 U CN 208888076U
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Abstract
The utility model discloses a kind of bus fatigue experimental device based on hydraulic vibration gen, including fixing tool, the fixing tool upper end is connected with the upper end of testpieces by the first switching tooling, the lower end of testpieces connects the second switching tooling, second switching tooling is connected on slide plate, the slide plate is connect with the piston rod of the hydraulic cylinder, and is moved under the drive of hydraulic cylinder.
Description
Technical field
The utility model relates to bus fatigue experimental device technical field, more particularly to a kind of based on hydraulic vibration gen
Bus fatigue experimental device and test method.
Background technique
Wind energy is increasingly paid attention to by countries in the world as a kind of clean renewable energy, wind power generation prospect ten
Divide wide, it is contemplated that following a very long time will all keep high speed development.But because the development trend of wind power equipment is high-power,
Transmission current-carrying capacity is increasing, and wind power bus is widely applied to wind power generation field.Since wind power bus length is too long and
Exposure in the natural environment, is subjected to wind, bus can have mechanical fatigue, and over time, structure may be broken for a long time
It is bad.
For the working condition of real simulation testpieces, examine product in structure and electrical property after 5,000,000 times move back and forth
Whether can destroy, the case where laboratory is according to itself, actively reequip hydraulic vibration gen, make full use of the liquid of hydraulic vibration gen
Cylinder pressure sets some toolings on the original basis to fix one end of wind power bus, and one end is enabled to be connected to hydraulic cylinder connected
On face, by motivating to the sinusoidal fixed frequency of hydraulic cylinder input, to achieve the purpose that reciprocating motion, 5,000,000 fatigue tests are completed.
Utility model content
For above-mentioned the technical problems existing in the prior art, the utility model provides a kind of based on hydraulic vibration gen
Bus fatigue experimental device.
To realize the purpose of this utility model, the utility model provides a kind of bus fatigue examination based on hydraulic vibration gen
Experiment device, including fixing tool, the fixing tool upper end are connected with the upper end of testpieces, testpieces by the first switching tooling
Lower end connect the second switching tooling, second switching tooling is connected on slide plate, the work of the slide plate and the hydraulic cylinder
Stopper rod connection, and moved under the drive of hydraulic cylinder.
Wherein, acceleration transducer, the acceleration transducer and VR controller are provided on second switching tooling
Connection, the VR controller are connect with power control cabinet.
Wherein, the hydraulic cylinder is connect with oil sources, and the oil sources is connect with power control cabinet, the VR controller, power control cabinet, oil
Source, hydraulic cylinder, acceleration transducer form a closed loop.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the application；
In figure, 1- fixing tool, 2- oil sources, 3- power control cabinet, 4-VR controller, 5- testpieces, 6-
Second switching tooling, 7- acceleration transducer, 8- slide plate, 9- hydraulic cylinder, the first switching tooling of 10-.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
It should be noted that " connection " described herein and the word for expressing " connection ", as " being connected ",
" connected " etc. had both included that a certain component is directly connected to another component, and had also included that a certain component passes through other component and another portion
Part is connected.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also be intended to include plural form, additionally, it should be understood that, when in the present specification using belong to "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, component or module, component and/or their combination.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, the utility model is to simulate wind power bus in actual use by the effect of wind-force, upper end is female
String pendulum is dynamic, generates the damage of structure or electrical property.The device is mainly used in wind-powered electricity generation industry, has structure simple with system,
It is easy to operate, the advantages that input cost expense is few, it can be widely applied to fatigue test field.
The utility model provides a kind of bus fatigue experimental device based on hydraulic vibration gen, including fixing tool, institute
State the upper end that fixing tool upper end is connected with testpieces by the first switching tooling, lower end connection the second switching work of testpieces
Dress, second switching tooling are connected on slide plate, and the slide plate is connect with the piston rod of the hydraulic cylinder, and in hydraulic cylinder
Drive lower movement.
Wherein, acceleration transducer, the acceleration transducer and VR controller are provided on second switching tooling
Connection, the VR controller are connect with power control cabinet.
Wherein, the hydraulic cylinder is connect with oil sources, and the oil sources is connect with power control cabinet, the VR controller, power control cabinet, oil
Source, hydraulic cylinder, acceleration transducer form a closed loop.
The utility model provides a kind of test method using above-mentioned apparatus,
1. due to the limitation in laboratory place, it is impossible to 80M wind power bus be put into laboratory and tested.Test is chosen
The exemplar of 2M long is tested, and is distributed according to approximate amount of deflection ratio, and 2M long testpieces amount of deflection is 0.025m.
2. testpieces upper end is fixed on fixing tool by the first switching tooling.
3. testpieces lower end is fixed on slide plate by the second switching tooling.
4. installing an acceleration transducer on the joint face of testpieces and the second switching tooling, acceleration transducer is logical
Cable is crossed to be connected on VR controller.
5.VR controller, power control cabinet, oil sources, hydraulic cylinder, acceleration transducer form a closed loop.VR controller
Sinusoidal frequency-fixed signal is exported to power control cabinet, controls the pressure of oil sources output, so that hydraulic cylinder generates thrust and drives skateboarding, is added
The signal return that velocity sensor is measured gives VR controller, and VR controller passes through the signal passed back and the signal of output is real
When be compared, adjust its output voltage and exported again to power control cabinet, so that output sine determines the amplitude and frequency of frequency waveform
Rate guarantees its test accuracy in 25mm, 6Hz.It may be implemented by the amplitude and frequency that adjust VR controller sine frequency-fixed signal
The change of fatigue test displacement and the speed of test speed, also can be applied in the fatigue test of other testpieces, schematic diagram
See attached drawing 1.
Fixing tool in the application is N-shaped frame, and the first switching tooling and the second switching tooling are in well-known technique
For fixing the component of wind power bus, and will not be described here in detail.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (3)
1. a kind of bus fatigue experimental device based on hydraulic vibration gen, which is characterized in that including fixing tool, the regular worker
It loads onto end and is connected with the upper end of testpieces by the first switching tooling, the second switching tooling of lower end connection of testpieces, described the
Two switching toolings are connected on slide plate, the piston rod connection of the slide plate and hydraulic cylinder, and are moved under the drive of hydraulic cylinder.
2. a kind of bus fatigue experimental device based on hydraulic vibration gen according to claim 1, which is characterized in that described
Acceleration transducer is provided on second switching tooling, the acceleration transducer is connect with VR controller, the VR controller
It is connect with power control cabinet.
3. a kind of bus fatigue experimental device based on hydraulic vibration gen according to claim 2, which is characterized in that described
Hydraulic cylinder is connect with oil sources, and the oil sources is connect with power control cabinet, the VR controller, power control cabinet, oil sources, hydraulic cylinder, acceleration
Sensor forms a closed loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234857.XU CN208888076U (en) | 2018-08-02 | 2018-08-02 | Bus fatigue experimental device based on hydraulic vibration gen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234857.XU CN208888076U (en) | 2018-08-02 | 2018-08-02 | Bus fatigue experimental device based on hydraulic vibration gen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888076U true CN208888076U (en) | 2019-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821234857.XU Active CN208888076U (en) | 2018-08-02 | 2018-08-02 | Bus fatigue experimental device based on hydraulic vibration gen |
Country Status (1)
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| CN (1) | CN208888076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323940A (en) * | 2018-08-02 | 2019-02-12 | 天津航天瑞莱科技有限公司 | Bus fatigue experimental device and test method based on hydraulic vibration gen |
-
2018
- 2018-08-02 CN CN201821234857.XU patent/CN208888076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323940A (en) * | 2018-08-02 | 2019-02-12 | 天津航天瑞莱科技有限公司 | Bus fatigue experimental device and test method based on hydraulic vibration gen |
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