CN207742313U - A kind of dragging platform - Google Patents
A kind of dragging platform Download PDFInfo
- Publication number
- CN207742313U CN207742313U CN201721153476.4U CN201721153476U CN207742313U CN 207742313 U CN207742313 U CN 207742313U CN 201721153476 U CN201721153476 U CN 201721153476U CN 207742313 U CN207742313 U CN 207742313U
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- CN
- China
- Prior art keywords
- motor
- switch board
- frequency
- variable controller
- dragging platform
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- 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.)
- Expired - Fee Related
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model is related to a kind of dragging platforms, including：Switch board, motor and shaft coupling, wherein the switch board is for driving the motor operation, the motor to be connect with tested generator coaxle by the shaft coupling.A kind of dragging platform provided by the utility model, it is operated by switch board drive motor, and it is controlled by shaft coupling and is tested generator and motor synchronous operating, realize the stability contorting to being tested generator, have many advantages, such as output power, output stabilization of speed, rotating speed easily adjust, noise it is small, it is applied widely, it is highly practical.
Description
Technical field
The utility model is related to Aviation ElctroMechanical equipment testing field more particularly to a kind of dragging platforms.
Background technology
Aircraft power supply is an important component of modern aircraft, its effect is to generate and transmit electric energy, for machine
Upper various equipment electricity consumptions, usually using aviation alternator.The reliability and all direct shadow of power supply quality of aircraft power supply work
Therefore the safety and performance rung to aircraft are particularly important the detection and repairing of generator.The detection needs of generator make
The special dragging platform to be worked with suitable aviation alternator could detect the various working conditions of generator, measure generator
Various running parameters.
Platform is dragged mainly for detection of the working performance of aviation alternator, is repair and test aviation alternator
Core equipment.Existing dragging platform has the shortcomings that exporting rotary speed unstabilization determines, and practicability is poor.
Utility model content
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of dragging platform.
The technical solution that the utility model solves above-mentioned technical problem is as follows：
A kind of dragging platform, including：Switch board, motor and shaft coupling, wherein the switch board is described electronic for driving
Machine operates, and the motor is connect by the shaft coupling with tested generator coaxle.
The utility model has the beneficial effects that：A kind of dragging platform provided by the utility model, is driven electronic by switch board
Machine operates, and controls tested generator by shaft coupling and operated with motor synchronous, realizes and is controlled to being tested stablizing for generator
System, it is applied widely, it is highly practical.
Based on the above technical solution, the utility model can also do following improvement.
Further, the switch board is internally provided with frequency-variable controller, and the frequency-variable controller connects with the motor
It connects, the frequency-variable controller is used to be sent to the motor after the power supply of acquisition is carried out frequency conversion.
Advantageous effect using above-mentioned further scheme is：Electricity is controlled by the frequency-variable controller being arranged inside switch board
Motivation carries out frequency conversion to the power supply of acquisition, can improve the range of adjustable rotating speed, realizes the flexible driving to generator with full
Sufficient actual test needs.
Further, the outer surface of the switch board is provided with control panel, the control panel and the frequency-variable controller
Connection, the control panel are used to set the operating parameters of the frequency-variable controller.
Further, the inside of the switch board is additionally provided with contactor, and the contactor is connect with the frequency-variable controller,
Break-make for controlling the power supply for accessing the frequency-variable controller.
Further, the outer surface of the switch board is additionally provided with ammeter, and the ammeter is connect with the contactor, uses
In the current value for showing the power supply.
Further, the outer surface of the switch board is additionally provided with power knob, and the power knob connects with the contactor
It connects, the folding for controlling the contactor.
Advantageous effect using above-mentioned further scheme is：By the folding of power knob control contactor, can realize
When system occurs abnormal, pressing power knob can be such that contactor closes, and break the electric current into system, in time protection system
System.
Further, further include：Revolution counter, the revolution counter are connect with the motor, for showing the motor
Rotating speed.
Further, further include：
Pedestal, the pedestal fix on the ground, and the motor is fixed on the base.
Further, further include：Generator support, the generator support are fixed on the base, the tested power generation
Machine is fixed on the generator support.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Description of the drawings
Fig. 1 is a kind of structural framing figure for dragging platform that the utility model embodiment provides；
Fig. 2 is a kind of dragging platform structural schematic diagram that another embodiment of the utility model provides.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of structural framing figure of the dragging platform provided for the utility model embodiment, the system include：
Switch board 1, motor 2 and shaft coupling 3, wherein switch board 1 for drive motor 2 operate, motor 2 by shaft coupling 3 with
Tested generator 4 is coaxially connected, and tested generator 4 can be realized to be operated according to preset speed.
A kind of dragging platform provided in this embodiment is operated by 1 drive motor 2 of switch board, and is controlled by shaft coupling 3
Tested generator 4 is operated synchronously with motor 2, realizes the stability contorting to being tested generator 4, applied widely, practicability
By force.
As shown in Fig. 2, for a kind of dragging platform structural schematic diagram that another embodiment of the utility model provides, the system nominal
Output power 90KW drives range of speeds 0rpm-10000rpm, which includes the pedestal 5 being fixed on ground, in pedestal 5
On be respectively fixed with support of motor 6 and generator support 7, support of motor 6 is used for fixed motor 2, and generator support 7 is used
It is coaxially connected by shaft coupling 3 between motor 2 and tested generator 4 in fixed tested generator 4, and driven by switch board 1
Dynamic motor 2 operates, and drives and is tested the operating of generator 4.
Wherein, motor 2 can select GS-200L-133-90-2 frequency-conversion and speed-regulation motors 2.The basic ginseng of the motor 2
Number is：Rated power 90KW, rated voltage AC380V, frequency 50Hz, rated output frequency 133Hz, rated current 163A are specified
Torque 107N.m, permanent torque range 20-133Hz, invariable power range 133-167Hz, rated speed 8000rpm, maximum speed
10000rpm.Velocity of rotation adjustable extent is 0rpm to 10000rpm under the control of switch board 1.According to reality when test
Situation adjusts the permanent torque and Constant-power drive parameter of motor 2, the flexible driving to being tested generator 4 is realized, to meet reality
Border test needs.
Switch board 1 realizes the control to motor 2, and the structure of switch board 1 is described in detail below.
It is internally provided with frequency-variable controller 11 in switch board 1, frequency-variable controller 11 is connect with motor 2, for that will obtain
The power supply taken is sent to motor 2 after carrying out frequency conversion.
For example, can be by the three phase mains of AC380V by being sent to frequency-variable controller 11, frequency conversion after air switch of registering one's residence
After controller 11 carries out frequency conversion to power supply, the driving power as motor 2.
For example, input voltage three-phase AC380V, frequency 50Hz, output frequency adjustable range 0-600Hz may be used, most
The big frequency converter for being applicable in power of motor 90KW.
It should be noted that specific location of the frequency-variable controller 11 in switch board 1 can be arranged according to actual demand,
It can be arranged outside switch board 1 according to actual demand, the placement position of frequency-variable controller 11 will not generate the control of motor 2
It influences, therefore, specific location of the frequency-variable controller 11 in switch board 1 can be voluntarily arranged by tester, not to the application structure
At any restriction, other devices or equipment in switch board 1 similarly repeat no more.
Preferably, can be that frequency-variable controller 11 is equipped with braking resistor, the principle that dynamic braking may be used executes braking
Action improves the safety of frequency-variable controller 11.
Motor 2 is controlled by the frequency-variable controller 11 being arranged inside switch board 1, frequency conversion is carried out to the power supply of acquisition,
The range of adjustable rotating speed can be improved, realizes the flexible driving to generator to meet actual test needs, rated output work(
Rate is up to 90KW, and the driving range of speeds is up to 0rpm-10000rpm.
The outer surface of switch board 1 is provided with control panel 12, control panel 12 connect with frequency-variable controller 11, is used for
Set the operating parameters of frequency-variable controller 11.
Preferably, control panel 12 can also be configured the operating parameters for being tested generator 4, for example, can pass through
The permanent torque for being tested generator 4 and Constant-power drive parameter etc. are adjusted, realizes the flexible driving to being tested generator 4, to meet
Actual test needs.
It is additionally provided with contactor 13 in the inside of switch board 1, contactor 13 is connect with frequency-variable controller 11, is connect for controlling
Enter the break-make of the power supply of frequency-variable controller 11.
For example, the rated current of contactor 13 can be 330A, the break-make of three-phase alternating-current supply is controlled, in case of emergency
The input of three phase mains can be disconnected by contactor 13.
It is additionally provided with ammeter 14 in the outer surface of switch board 1, ammeter 14 is connect with contactor 13, for showing power supply
Current value.
For example, ammeter 14 can be three-phase alternating current table 14, range can be 0A-200A, can show input electricity
The input current value of source A, B, C three-phase.
It should be noted that ammeter 14, which is arranged in the outer surface of switch board 1, to be carried for the ease of checking input current value
Actually several preferred embodiments can be given below there are many set-up mode in the integrated level of high system：
Preferred embodiment one：The dial plate of ammeter 14 can be embedded in the outer surface of switch board 1, convenient for checking.
Preferred embodiment two：Ammeter 14 can be arranged on control panel 12, be operated convenient for tester.
Preferred embodiment three：Ammeter 14 can be suspended on to the outer surface of switch board 1, be easily installed and take.
Preferably, the outer surface of switch board 1 is additionally provided with power knob 15, and power knob 15 is connect with contactor 13, uses
In the folding of control contactor 13.
For example, when system occurs abnormal, it can be by way of pressing power knob 15, emergency cut-off contactor 13,
The power input for stopping contactor 13, can protect system.
By the folding of 15 control contactor 13 of power knob, can realize when system occurs abnormal, press power supply by
Button 15 can be such that contactor 13 closes, and break the electric current into system, protect system in time.
Preferably, further include：Revolution counter 16, revolution counter 16 are connect with motor 2, the rotating speed for showing motor 2.
For example, revolution counter 16 can also be arranged on the surface of switch board 1, or be used alone, set-up mode is referred to
The set-up mode of ammeter 14, details are not described herein.
Dragging platform provided in this embodiment is when output power is less than or equal to 90KW, rotating speed is less than or equal to 8000rpm
When, can continuous work 4 hours, highest overloads rotating speed 10000rpm, allows working time 20S, maximum overload capacity 135KW,
Under the premise of maximum overload capacity, allow working time 60S.Coordinate different connecting toolings, it is below more to can detect 90KW
Kind alternating current generator, it is applied widely.
Slowing-down structure is not used in dragging platform provided in this embodiment, passes through shaft coupling 3 by motor 2 and tested generator 4
It is directly connected to, solves that tradition dragging platform connecting component is more, and respective outer side edges are bad, operating is unstable, noise is big, complicated etc.
Problem.
A kind of dragging platform provided in this embodiment is operated by 1 drive motor 2 of switch board, and is controlled by shaft coupling 3
Tested generator 4 is operated synchronously with motor 2, realizes the stability contorting to being tested generator 4, applied widely, practicability
By force.
In the description of this specification, reference term " embodiment one ", " embodiment two ", " example ", " specific example " or
The description of " some examples " etc. means that specific method, device or feature described in conjunction with this embodiment or example are contained in this reality
With in novel at least one embodiment or example.
In the present specification, a schematic expression of the above terms does not necessarily refer to the same embodiment or example.
Moreover, specific features, method, apparatus or the feature of description can be in any one or more of the embodiments or examples with suitable
Mode combines.
In addition, without conflicting with each other, those skilled in the art can be by difference described in this specification
The feature of embodiment or example and different embodiments or examples is combined.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of dragging platform, which is characterized in that including：Switch board, motor and shaft coupling, wherein the switch board is for driving
The motor operation is moved, the motor is connect by the shaft coupling with tested generator coaxle.
2. dragging platform according to claim 1, which is characterized in that the switch board is internally provided with frequency-variable controller,
The frequency-variable controller is connect with the motor, and the frequency-variable controller is used to after the power supply of acquisition is carried out frequency conversion be sent to
The motor.
3. dragging platform according to claim 2, which is characterized in that the outer surface of the switch board is provided with control panel,
The control panel is connect with the frequency-variable controller, and the control panel is used to set the operating ginseng of the frequency-variable controller
Number.
4. dragging platform according to claim 2, which is characterized in that the inside of the switch board is additionally provided with contactor, institute
It states contactor to connect with the frequency-variable controller, the break-make for controlling the power supply for accessing the frequency-variable controller.
5. dragging platform according to claim 4, which is characterized in that the outer surface of the switch board is additionally provided with ammeter,
The ammeter is connect with the contactor, the current value for showing the power supply.
6. dragging platform according to claim 4, which is characterized in that the outer surface of the switch board be additionally provided with power supply by
Button, the power knob are connect with the contactor, the folding for controlling the contactor.
7. dragging platform according to claim 1, which is characterized in that further include：Revolution counter, the revolution counter with it is described electronic
Machine connects, the rotating speed for showing the motor.
8. dragging platform according to any one of claim 1 to 7, which is characterized in that further include：
Pedestal, the pedestal fix on the ground, and the motor is fixed on the base.
9. dragging platform according to claim 8, which is characterized in that further include：Generator support, the generator support are solid
Determine on the base, the tested generator is fixed on the generator support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153476.4U CN207742313U (en) | 2017-09-08 | 2017-09-08 | A kind of dragging platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153476.4U CN207742313U (en) | 2017-09-08 | 2017-09-08 | A kind of dragging platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742313U true CN207742313U (en) | 2018-08-17 |
Family
ID=63114050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721153476.4U Expired - Fee Related CN207742313U (en) | 2017-09-08 | 2017-09-08 | A kind of dragging platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207742313U (en) |
-
2017
- 2017-09-08 CN CN201721153476.4U patent/CN207742313U/en not_active Expired - Fee Related
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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: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |