CN206961414U - Become oar experimental system and become oar experimental bench - Google Patents
Become oar experimental system and become oar experimental bench Download PDFInfo
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- CN206961414U CN206961414U CN201720536704.XU CN201720536704U CN206961414U CN 206961414 U CN206961414 U CN 206961414U CN 201720536704 U CN201720536704 U CN 201720536704U CN 206961414 U CN206961414 U CN 206961414U
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- pitch control
- change device
- vane change
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- oar
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Abstract
The utility model provides a kind of change oar experimental system and becomes oar experimental bench, is related to technical field of wind power generation.Becoming oar experimental system includes pitch control case, host computer, at least a set of vane change device and test device corresponding with the vane change device, vane change device is used to connect blade, host computer communicates to connect with pitch control case, pitch control case is electrically connected with vane change device and test device respectively, test device is connected with vane change device, host computer, which is used to be operated to the pitch control case according to user, sends control instruction, pitch control case is used to receive control instruction, and the working condition of the vane change device is controlled according to control instruction, and the status information of vane change device is obtained by test device according to the control instruction, and give status information feedback to the host computer.Complete the quality of each accessory in test vane change device.Understanding of the operating personnel to system is helped simultaneously, improves the service ability of operating personnel.
Description
Technical field
Technical field of wind power generation is the utility model is related to, becomes oar experimental system in particular to one kind and becomes oar reality
Test platform.
Background technology
Wind-power electricity generation is that the kinetic energy kept watch switchs to electric energy.Wind energy as a kind of regenerative resource of cleaning, increasingly by
The attention of countries in the world.
Pitch-controlled system is system complex in Wind turbines, fault rate accounting compared with it is high, assembling quantity is big.Therefore, exist
It is required to manually to test accessory in pitch-controlled system before installation, the inspection of damaged part and maintenance, the upper machine of spare part on probation
Debugging etc..Because assembling quantity is big, the human cost for manually testing consuming one by one is very big.Meanwhile training one is qualified at present
Operating personnel need to go Wind turbines off-the-job training, so as to which caused human cost, time cost and financial cost are all higher.
Utility model content
The purpose of this utility model is to provide a kind of change oar experimental system, solved the above problems with realizing.
The purpose of this utility model is to provide a kind of change oar experimental bench, solved the above problems with realizing.
What the utility model was realized in：
The utility model embodiment provide it is a kind of become oar experimental system, the change oar experimental system include pitch control case,
Host computer, at least a set of vane change device and test device corresponding with the vane change device, the vane change device are used to connect leaf
Piece, the host computer and the pitch control case communicate to connect, the pitch control case respectively with the vane change device and test
Device is electrically connected with, and the test device is connected with the vane change device, and the host computer is used to be operated to described according to user
Pitch control case sends control instruction, and the pitch control case is used to receive the control instruction, and according to the control instruction
The working condition of the vane change device is controlled, and the vane change device is obtained by the test device according to the control instruction
Status information, and give the status information feedback to the host computer.
Further, the pitch control case includes pitch control device and power supply, the pitch control device respectively with it is described
Power supply, vane change device and test device are electrically connected with, and the pitch control device communicates to connect with the host computer, to obtain control
Order, the control command includes starting control command and pitch control order, the power supply electrically connect with the vane change device
Connect, the pitch control device controls the power supply to be powered to the vane change device according to the startup control command, the change oar
Controller starts the test device always according to the startup control command, to obtain the status information of the vane change device, institute
Pitch control device is stated to send the pitch control order to the vane change device to control the working condition of vane change device.
Further, becoming oar experimental system also includes back-up source, the back-up source respectively with the power supply, change oar control
Device and vane change device processed are electrically connected with, and the power supply is the back-up source electric power storage, and the pitch control device receives the electricity
During the power supply error information of source feedback, the back-up source is controlled to be powered to the vane change device.
Further, the vane change device includes axle box and pitch drive module, the axle box and the pitch drive mould
Block is electrically connected with；The axle box includes converter and bearing, and the pitch drive module includes motor, the converter with it is described
Pitch control case is electrically connected with, and the motor is electrically connected with the converter, and the motor engages with the bearing, the friendship
Direction and speed that device controls the motor according to the pitch control order are flowed, becomes oar to control bearing to realize.
Further, the status information includes ambient temperature information and encoder work state information, and the change oar drives
Dynamic model block also includes the first encoder, and the test device includes second encoder and temperature inductor, first encoder
With the motor connection, the second encoder is connected with the bearing, first encoder and the second encoder point
It is not electrically connected with the pitch control case, the temperature inductor closes on the vane change device and set, and becomes oar control with described
Case processed is electrically connected with, and the pitch control case obtains the ambient temperature information of the vane change device by the temperature inductor,
The pitch control case obtains the first pitch angle information and the second pitch by first encoder and second encoder respectively
Angle information, and according to the first pitch angle information and the second pitch angle information judge the vane change device encoder work shape
State information.
Further, becoming oar experimental system also includes heater, and the heater is electrically connected with the pitch control case,
The pitch control case controls the working condition of the heater according to the ambient temperature information.
Further, the status information also includes the current information of the vane change device, and test device also includes electric current
Inductor, the current inductor are electrically connected with the pitch control case, the current inductor and the motor connection, with
The current information is obtained, and is sent to the pitch control case.
Further, the change oar experimental system also includes alarm module, and the host computer and the alarm module are electrical
Connection, the host computer status information and preset standard, and control according to comparative result the work of the alarm module
Make state.
The utility model embodiment also provides a kind of change oar experimental bench, and the change oar experimental bench includes cushion cap and becomes oar experiment
System, becoming oar experimental system includes pitch control case, host computer, at least a set of vane change device and corresponding with the vane change device
Test device, the vane change device are used to connect blade, and the host computer communicates to connect with the pitch control case, the change oar
Control cabinet is electrically connected with the vane change device and test device respectively, and the test device is connected with the vane change device, institute
State host computer to be used to be operated to pitch control case transmission control instruction according to user, the pitch control case is for receiving institute
Control instruction is stated, and the working condition of the vane change device is controlled according to the control instruction, and is led to according to the control instruction
Cross the test device and obtain the status information of the vane change device, and give the status information feedback to the host computer.Institute
State pitch control case, the vane change device and test device and be mounted at the cushion cap, the cushion cap is fixed on ground
Face.
Further, the cushion cap includes iron plate, the first insulating barrier and the second insulating barrier, and the iron plate level is fixed on institute
Ground is stated, first insulating barrier is arranged at the iron plate and is arranged at institute towards the side on the ground, second insulating barrier
State opposite side of the iron plate away from the ground.
Compared with the prior art, the utility model embodiment provides a kind of change oar experimental system and becomes oar experimental bench.The change
Oar experimental system includes pitch control case, host computer, at least a set of vane change device and test dress corresponding with the vane change device
Put, the vane change device is used to connect blade, and the host computer communicates to connect with the pitch control case, the pitch control case
It is electrically connected with respectively with the vane change device and test device, the test device is connected with the vane change device, described upper
Machine, which is used to be operated to the pitch control case according to user, sends control instruction, and the pitch control case is used to receive the control
Instruction, and control according to the control instruction working condition of the vane change device, and passed through according to the control instruction described
Test device obtains the status information of the vane change device, and gives the status information feedback to the host computer.Complete test
The quality of each accessory in vane change device.To the training of operating personnel's system, the service ability of operating personnel can also be improved.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belong to the model of the utility model protection
Enclose.
Fig. 1 shows the change oar experimental system structural representation that the utility model embodiment provides.
Fig. 2 is the block diagram of host computer shown in Fig. 1.
Fig. 3 is the structural representation of test device shown in Fig. 1.
Fig. 4 shows the structural representation for the cushion cap become in oar testing stand that the utility model embodiment provides.
Icon：100- becomes oar experimental system；10- host computers；11- communication modules；12- input/output modules；13- shows mould
Block；14- memories；15- processors；20- pitch control casees；21- pitch control devices；22- power supplys；30- back-up sources；40- becomes
Oar device；41- axle boxes；42- pitch drive modules；421- motors；422- electromagnetism brake holdings；423- velometers；424- first is encoded
Device；50- test devices；51- second encoders；52- temperature inductors；53- current inductors；60- heaters；70- alarm moulds
Block；80- cushion caps；81- iron plates；The insulating barriers of 82- first；The insulating barriers of 83- second.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure
Must be fully horizontal, but can be slightly tilted.
First embodiment
Fig. 1 is refer to, the present embodiment provides a kind of change oar experimental system 100.The change oar experimental system 100 includes upper
Machine 10, pitch control case 20, back-up source 30, vane change device 40, test device 50 corresponding with the vane change device 40, heating
Device 60 and alarm module 70.The host computer 10 communicates to connect with the pitch control case 20, and the pitch control case 20 is distinguished
It is electrically connected with the vane change device 40, test device 50 and back-up source 30.The test device 50 and the vane change device
40 connections, test device 50 are used for the status information for obtaining the vane change device 40.The heater 60 and the pitch control
Case 20 is electrically connected with.The host computer 10 is electrically connected with the alarm module 70.In the present embodiment, become oar experimental system 100
Including at least a set of vane change device 40.In other embodiments, three sets of vane change devices 40 can be included.
As shown in Fig. 2 the host computer 10 includes communication module 11, input/output module 12, display module 13, memory
14 and processor 15.The memory 14, processor 15, input/output module 12, display module 13 and each yuan of communication module 11
Part is directly or indirectly electrically connected between each other, to realize the transmission of data or interaction.Host computer 10 passes through communication module 11
Communicated to connect with the pitch control case 20；Input/output module 12 is used to receive user's operation；Processor 15 be used for according to
Control instruction corresponding to the operation generation of family, communication module 11 send control instruction to the pitch control case 20.Communication module
11 are additionally operable to receive the status information for the vane change device 40 that the pitch control case 20 feeds back, and processor 15 is by the status information
Shown compared with prestoring preset standard in memory 14, and by the compared result of display module 13, and knot will be compared
Fruit is sent to alarm module 70.To help operating personnel to learn the principle of pitch-controlled system, just pitch-controlled system is understood in time and is occurred
The problem of.Improve service ability.In the present embodiment, input/output module 12 may be, but not limited to, dummy keyboard, voice
Input circuit etc..Processor 15 can be a kind of IC chip, have the disposal ability to signal, for example, central processing
Device.Communication module 11 can be integrated communication chip.
Pitch control case 20 includes pitch control device 21 and power supply 22.The pitch control device 21 respectively with the power supply
22nd, vane change device 40 and test device 50 are electrically connected with, and the pitch control device 21 communicates to connect with the host computer 10, to obtain
Take control command.Specifically, the power supply 22 is electrically connected with the vane change device 40, back-up source 30 respectively.Pitch control
Case 20 controls the working condition of the vane change device 40 according to the control instruction, and starts the survey according to the control instruction
Trial assembly puts 50, to obtain the status information of the vane change device 40.Specifically, the control command include start control command and
Pitch control order.The pitch control device 21 controls the power supply 22 to give the vane change device according to the startup control command
40 power supplies, and start vane change device 40.The power supply 22 returns the electric power storage of back-up source 30 in the case of normal power supply.When
The self-test of power supply 22 to (for example, power-off, catastrophe failure occur or major accident makes power supply failure of power supply 22 etc.) during abnormal electrical power supply, to
The pitch control device 21 sends power supply error information.The pitch control device 21 starts institute always according to the startup control command
Test device 50 is stated, to obtain the status information of the vane change device 40.Alternatively, obtained according to prefixed time interval and become oar dress
Put 40 status information.When the pitch control device 21 receives the pitch control order, pitch control order is sent
To the vane change device 40 to control the working condition of vane change device 40, for example, the propeller pitch angle of adjustment blade.
Back-up source 30 is also electrically connected with pitch control device 21.The back-up source 30 and the vane change device 40 are electrical
Connection.Back-up source 30 receives the pitch control device 21 and receives the power supply control information sent after power supply error information, institute
Back-up source 30 is stated to be powered to the vane change device 40 according to the power supply control information.
The vane change device 40 includes axle box 41 and pitch drive module 42.Vane change device 40 is used to connect blade.It is described
Axle box 41 is electrically connected with the pitch drive module 42.The axle box 41 includes converter (figure is not marked) and bearing (is schemed not
Mark).The pitch drive module 42 includes motor 421, the first encoder 424, electromagnetism brake holding 422 and velometer 423, and described
One encoder 424 is connected with the motor 421, and first encoder 424 is electrically connected with the pitch control case 20, so as to
Pitch control case 20 obtains the first pitch angle information by the first encoder 424.The converter and the pitch control case 20
It is electrically connected with, the motor 421 is electrically connected with the converter, and the motor 421 engages with the bearing, and the bearing connects
Connect blade.Electromagnetism brake holding 422 and velometer 423 are connected with motor 421 respectively.To ensure the safe operation of vane change device 40.Institute
Direction and speed that converter controls the motor 421 according to the pitch control order are stated, becomes oar to control bearing to realize, adjusts
The angle of completeblade.Specifically, pitch control order includes blade angle control instruction and blade velocity of rotation control instruction.Hand over
Device is flowed according to blade angle control instruction and blade velocity of rotation control instruction controlled motor electric current, and then controls the motor
421 direction and speed.
As shown in figure 3, the test device 50 includes second encoder 51, temperature inductor 52 and current inductor 53.
The status information includes the current information of ambient temperature information, encoder work state information and the vane change device 40.Institute
State second encoder 51 to be electrically connected with the pitch control case 20, the second encoder 51 is connected with the bearing.It is described
Pitch control case 20 obtains the second pitch angle information by second encoder 51.Pitch control case 20 is according to first propeller pitch angle
Information and the second pitch angle information judge the encoder work state information of the vane change device 40.The temperature inductor 52 faces
The nearly vane change device 40 is set, and is electrically connected with the pitch control case 20.The pitch control case 20 passes through the temperature
Degree inductor 52 obtains the ambient temperature information of the vane change device 40.The current inductor 53 and the pitch control case 20
It is electrically connected with, the current inductor 53 is connected with the motor 421, to obtain the current information, and is sent to the change
Oar control cabinet 20.
Heater 60 is electrically connected with pitch control case 20, specifically, electrical with power supply 22 and pitch control device 21 respectively
Connection.Power supply 22 is that heater 60 is powered.Heater 60 is also electrically connected with back-up source 30.With in the abnormal electrical power supply of power supply 22
When, it is powered.The pitch control device 21 controls the working condition of the heater 60 according to the ambient temperature information.Example
Such as, when ambient temperature information is less than default temperature threshold, heated, to ensure the whole normal operation of vane change device 40.When
The appearance that vane change device 40 is run is abnormal, and when ambient temperature information be less than default temperature threshold, startup heater 60, in ring
After when border temperature information is higher than default temperature threshold, the operation of vane change device 40 remains unchanged abnormal, then it represents that has in vane change device 40
Part goes wrong, and host computer 10, which is shown, need to enter the prompt message further checked the part row in vane change device 40.
The alarm module 70 is electrically connected with the host computer 10.The host computer 10 is according to the status information and in advance
The accurate comparative result of bidding controls the working condition of the alarm module 70.Alarm module 70 can be the buzzer of multi-frequency.
Specifically, (the first pitch when the encoder work state information in encoder work state information and preset standard is not met
Angle information overflows more than twice than the second pitch angle information), alarm module 70 carries out encoder fault early warning, host computer 10
Encoder fault can be shown；Current information includes motor current value, when the motor of the too high preset standard of motor current value
During current value, and ambient temperature information also above the ambient temperature value in preset standard, then host computer 10 judges vane change device 40
In part short trouble be present, then host computer 10 shows short trouble, and carries out short trouble alarm by alarm module 70.Pass through
The part in vane change device 40 is constantly replaced, whether observation alarms, and whether examines part in vane change device 40 with this
It is qualified, reliable.Facilitate operating personnel to observe the generation of problem in time, to improve identification of the operating personnel to failure, improve behaviour
Make the service ability of personnel.Alarm module 70 is alarmed according to the type of failure using the alarm song of different frequency.
Second embodiment
Present embodiments provide a kind of change oar experimental bench (figure is not marked).The oar experimental bench that becomes includes as shown in Figure 4 hold
The change oar experimental system 100 provided in platform 80 and first embodiment.The pitch control case 20, the vane change device 40 and test
Device 50 is mounted at the cushion cap 80, and the cushion cap 80 is fixed on ground.The cushion cap 80 includes iron plate 81, the
One insulating barrier 82 and the second insulating barrier 83, the level of iron plate 81 are fixed on the ground, and first insulating barrier 82 is arranged at
For the iron plate 81 towards the side on the ground, second insulating barrier 83 is arranged at the iron plate 81 away from the another of the ground
Side.After the pitch control case 20, the vane change device 40 or test device 50 are disassembled, with corresponding change to be tested
Oar control cabinet, vane change device to be tested or test device to be tested are replaced installation, and then realize the qualification to it, reliable
Property is detected.In the present embodiment, the first insulating barrier 82 and the second insulating barrier 83 may each be polyvinyl chloride insulation layer.
In summary, the utility model provides a kind of change oar experimental system and becomes oar experimental bench.The change oar experimental system
Including pitch control case, host computer, at least a set of vane change device and test device corresponding with the vane change device, the change oar
Device is used to connect blade, and the host computer communicates to connect with the pitch control case, the pitch control case respectively with it is described
Vane change device and test device are electrically connected with, and the test device is connected with the vane change device, and the host computer is used for basis
User operates to the pitch control case and sends control instruction, and the pitch control case is used to receive the control instruction, and root
The working condition of the vane change device is controlled according to the control instruction, and is obtained according to the control instruction by the test device
The status information of the vane change device is taken, and gives the status information feedback to the host computer.Complete in test vane change device
The quality of each accessory.To the training of operating personnel's system, the service ability of operating personnel can also be improved.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. one kind becomes oar experimental system, it is characterised in that the change oar experimental system includes pitch control case, host computer, at least
A set of vane change device and test device corresponding with the vane change device, the vane change device is used to connect blade, described upper
Machine communicates to connect with the pitch control case, and the pitch control case electrically connects with the vane change device and test device respectively
Connect, the test device is connected with the vane change device, and the host computer is used to be operated to the pitch control case according to user
Control instruction is sent, the pitch control case is used to receive the control instruction, and controls the change according to the control instruction
The working condition of oar device, and believed according to the control instruction by the state of the test device acquisition vane change device
Breath, and give the status information feedback to the host computer.
2. as claimed in claim 1 become oar experimental system, it is characterised in that the pitch control case include pitch control device and
Power supply, the pitch control device respectively with the power supply, vane change device and test device be electrically connected with, the pitch control device with
The host computer communication connection, to obtain control command, the control command includes starting control command and pitch control order,
The power supply is electrically connected with the vane change device, and the pitch control device controls the power supply according to the startup control command
Powered to the vane change device, the pitch control device starts the test device always according to the startup control command, to obtain
The vane change device status information, the pitch control device by the pitch control order send to the vane change device with
Control the working condition of vane change device.
3. become oar experimental system as claimed in claim 2, it is characterised in that becoming oar experimental system also includes back-up source, institute
State back-up source to be electrically connected with the power supply, pitch control device and vane change device respectively, the power supply is the back-up source
Electric power storage, when the pitch control device receives the power supply error information of the power supply feedback, the back-up source is controlled to described
Vane change device is powered.
4. become oar experimental system as claimed in claim 2, it is characterised in that the vane change device includes axle box and pitch drive
Module, the axle box are electrically connected with the pitch drive module；The axle box includes converter and bearing, the pitch drive
Module includes motor, and the converter is electrically connected with the pitch control case, and the motor is electrically connected with the converter,
The motor engages with the bearing, and the converter controls direction and the speed of the motor according to the pitch control order
Degree, become oar to control bearing to realize.
5. as claimed in claim 4 become oar experimental system, it is characterised in that the status information include ambient temperature information and
Encoder work state information, the pitch drive module also include the first encoder, and the test device includes the second coding
Device and temperature inductor, first encoder and the motor connection, the second encoder is connected with the bearing, described
First encoder is electrically connected with the pitch control case respectively with the second encoder, and the temperature inductor closes on described
Vane change device is set, and is electrically connected with the pitch control case, and the pitch control case is obtained by the temperature inductor
The ambient temperature information of the vane change device, the pitch control case are obtained by first encoder and second encoder respectively
The first pitch angle information and the second pitch angle information are taken, and is judged according to the first pitch angle information and the second pitch angle information
The encoder work state information of the vane change device.
6. become oar experimental system as claimed in claim 5, it is characterised in that becoming oar experimental system also includes heater, described
Heater is electrically connected with the pitch control case, and the pitch control case controls the heating according to the ambient temperature information
The working condition of device.
7. become oar experimental system as claimed in claim 4, it is characterised in that the status information also includes the vane change device
Current information, test device also includes current inductor, and the current inductor is electrically connected with the pitch control case, institute
Current inductor and the motor connection are stated, to obtain the current information, and is sent to the pitch control case.
8. the change oar experimental system as described in claim any one of 1-7, it is characterised in that the change oar experimental system also includes
Alarm module, the host computer are electrically connected with the alarm module, the host computer status information and pre- bidding
Standard, and according to the working condition of the comparative result control alarm module.
9. one kind becomes oar experimental bench, it is characterised in that the change oar experimental bench includes cushion cap and such as any one of claim 1-7 institutes
The change oar experimental system stated, the pitch control case, the vane change device and test device are mounted at described hold
Platform, the cushion cap are fixed on ground.
10. become oar experimental bench as claimed in claim 9, it is characterised in that the cushion cap includes iron plate, the first insulating barrier and the
Two insulating barriers, the iron plate level are fixed on the ground, and first insulating barrier is arranged at the iron plate towards the ground
Side, second insulating barrier is arranged at opposite side of the iron plate away from the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536704.XU CN206961414U (en) | 2017-05-15 | 2017-05-15 | Become oar experimental system and become oar experimental bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536704.XU CN206961414U (en) | 2017-05-15 | 2017-05-15 | Become oar experimental system and become oar experimental bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961414U true CN206961414U (en) | 2018-02-02 |
Family
ID=61374988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720536704.XU Expired - Fee Related CN206961414U (en) | 2017-05-15 | 2017-05-15 | Become oar experimental system and become oar experimental bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961414U (en) |
-
2017
- 2017-05-15 CN CN201720536704.XU patent/CN206961414U/en not_active Expired - Fee Related
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Granted publication date: 20180202 Termination date: 20190515 |