CN202994347U - Two-thousand kilowatt large-power electric eddy-current dynamometer - Google Patents
Two-thousand kilowatt large-power electric eddy-current dynamometer Download PDFInfo
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- CN202994347U CN202994347U CN 201220734815 CN201220734815U CN202994347U CN 202994347 U CN202994347 U CN 202994347U CN 201220734815 CN201220734815 CN 201220734815 CN 201220734815 U CN201220734815 U CN 201220734815U CN 202994347 U CN202994347 U CN 202994347U
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- eddy current
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Abstract
The utility model discloses a two-thousand kilowatt large-power electric eddy-current dynamometer and solves problems that a conventional electric eddy-current dynamometer cannot accurately measure actual power of a relatively large-power device and even cannot test. The electric eddy-current dynamometer comprises a casting base, a support bearing seat fixed on the casting base, a housing connected with the support bearing seat by an end casing, a rotation shaft which is mounted in the end casing and the housing and is disposed on the support bearing seat, an excitation coil arranged in the housing, a speed measurement apparatus mounted on one end of the rotation shaft, and a force measurement apparatus mounted on the housing and the casting base. The dynamometer provided by the utility model has the advantages of simple structure, strong safety, convenient operation, low cost and easy popularization and use.
Description
Technical field
The utility model relates to a kind of ultra-large type fictitious load and measurement mechanism, what be specifically related to is two megawatt large power, electrically eddy current dynamometers.
Background technology
Electric eddy current dynamometer is to utilize the principle of eddy current loss to come absorbed power, and the power measurement arrangement that mainly is comprised of controller and device for measuring force can measure the output torque and rotational speed of tested machinery, thereby draw output power.It can replace powder clutch, hydraulic dynamometer, DC generation unit etc., is used for measuring the performance of the power machines such as various motor, gasoline engine, diesel engine, gear case.Yet the power that existing dynamometer machine can be measured is all not high, and for high-power equipment, existing dynamometer machine can not be measured its actual power accurately, even can't test.Can not satisfy people's demand, so it is imperative to develop a kind of powerful electric eddy current dynamometer.
The utility model content
The purpose of this utility model is to provide a kind of two megawatt large power, electrically eddy current dynamometers, solves electric eddy current dynamometer of the prior art and can not accurately measure out power than the real power of large equipment, the problem that even can't test.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Two megawatt large power, electrically eddy current dynamometers, comprise the foundry goods base, be fixed in the supporting bearing base on the foundry goods base, the shell that is connected with supporting bearing base by end housing, be positioned at end housing and enclosure and be installed on turning axle on supporting bearing base, be arranged at the field coil of enclosure, be installed on the speed measuring device on turning axle one end, and be arranged at the device for measuring force on shell and foundry goods base.
Further, also be provided with in described shell and be positioned at field coil below and be fixed on cooling chamber on end housing.
Again further, described turning axle is connected by clutch shaft bearing with supporting bearing base.
Further, described end housing is connected by the second bearing with supporting bearing base.
In addition, described foundry goods base bottom is provided with water inlet pipe, and described end housing top is provided with the rising pipe that is communicated with water inlet pipe.
In addition, be provided with high-precision force cell in device for measuring force of the present utility model, be provided with high-precision speed probe in speed measuring device.
Compared with prior art, the utlity model has following advantage and beneficial effect:
(1) maximum load scope of the present utility model is 0-2000KW, and range of application is wider, can satisfy people's demand;
(2) the utility model has been equipped with device for measuring force and speed measuring device, and the energy transient measurement loads moment of torsion, rotating speed and power, and can accurately control, thereby can measure accurately the real power of equipment under test;
(3) the utility model is provided with high-precision force cell and speed probe, has improved accuracy of detection of the present utility model high, thereby the measurement data that makes more accurately and reliably;
(4) the utility model is simple in structure, and high safety is easy to operate, and is with low cost, is easy to promote the use of.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is left view of the present utility model.
Wherein, the parts name that in accompanying drawing, mark is corresponding is called: 1-foundry goods base, 2-supporting bearing base, 3-end housing, 4-shell, the 5-field coil, 6-cooling chamber, 7-turning axle, 8-clutch shaft bearing, 9-the second bearing, the 10-speed measuring device, 11-water inlet pipe, 12-rising pipe, 13-device for measuring force.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, 2, two megawatt large power, electrically eddy current dynamometers, comprise foundry goods base 1, be fixed in the supporting bearing base 2 on the foundry goods base, by the shell 4 that end housing 3 is connected with supporting bearing base, be positioned at end housing and enclosure and be installed on turning axle 7 on supporting bearing base, be arranged at the field coil 5 of enclosure, be installed on the speed measuring device 10 on turning axle one end, and be arranged at the device for measuring force 13 on shell and foundry goods base; Also be provided with in described shell and be positioned at field coil below and be fixed on cooling chamber 6 on end housing, in order to realize that better turning axle described in the utility model is connected by clutch shaft bearing 8 with supporting bearing base, described end housing is connected by the second bearing 9 with supporting bearing base; In addition, described foundry goods base bottom is provided with water inlet pipe 11, and described end housing top is provided with the rising pipe 12 that is communicated with water inlet pipe.
Device for measuring force of the present utility model and speed measuring device are prior art, wherein, are provided with high-precision force cell in device for measuring force, are provided with high-precision speed probe in speed measuring device.The utility model has adopted every magnet assembly; the magnetic interference that makes field coil produce can not have influence on other measuring instrument; the utility model also is provided with temperature sensing device simultaneously, and too high to cause the dynamometer machine internal temperature because of accidental cause, dynamometer machine will go out alerting signal and auto stop.Therefore, the utility model is a kind of reliable fictitious load charger.
The utility model adopts integral structure, and reaching cleverly by accurate Calculation, physical construction realizes reducing volume and noise.
According to above-described embodiment, just can realize well the utility model.
Claims (5)
1. two megawatt large power, electrically eddy current dynamometers, it is characterized in that, comprise foundry goods base (1), be fixed in the supporting bearing base (2) on foundry goods base (1), the shell (4) that is connected with supporting bearing base (2) by end housing (3), be positioned at end housing (3) and shell (4) inner and be installed on turning axle (7) on supporting bearing base (2), be arranged at the inner field coil (5) of shell (4), be installed on the speed measuring device (10) on turning axle (7) one ends, and be arranged at the device for measuring force (13) on shell (4) and foundry goods base (1).
2. two megawatt large power, electrically eddy current dynamometers according to claim 1 is characterized in that: also be provided with in described shell (4) and be positioned at field coil (5) below and be fixed on cooling chamber (6) on end housing (3).
3. two megawatt large power, electrically eddy current dynamometers according to claim 2, it is characterized in that: described turning axle (7) is connected by clutch shaft bearing (8) with supporting bearing base (2).
4. two megawatt large power, electrically eddy current dynamometers according to claim 3, it is characterized in that: described end housing (3) is connected by the second bearing (9) with supporting bearing base (2).
5. two megawatt large power, electrically eddy current dynamometers according to claim 4, is characterized in that: be provided with water inlet pipe (11) bottom described foundry goods base (1), be provided with the rising pipe (12) that is communicated with water inlet pipe (11) above described end housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734815 CN202994347U (en) | 2012-12-28 | 2012-12-28 | Two-thousand kilowatt large-power electric eddy-current dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734815 CN202994347U (en) | 2012-12-28 | 2012-12-28 | Two-thousand kilowatt large-power electric eddy-current dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994347U true CN202994347U (en) | 2013-06-12 |
Family
ID=48565519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220734815 Expired - Fee Related CN202994347U (en) | 2012-12-28 | 2012-12-28 | Two-thousand kilowatt large-power electric eddy-current dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335763A (en) * | 2013-07-22 | 2013-10-02 | 南通连德铸造有限公司 | Novel magnetic powder dynamometer |
| CN103949412A (en) * | 2014-03-31 | 2014-07-30 | 中国兵器工业第二0二研究所 | Screening mechanism of large power device in rotating environment |
-
2012
- 2012-12-28 CN CN 201220734815 patent/CN202994347U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335763A (en) * | 2013-07-22 | 2013-10-02 | 南通连德铸造有限公司 | Novel magnetic powder dynamometer |
| CN103949412A (en) * | 2014-03-31 | 2014-07-30 | 中国兵器工业第二0二研究所 | Screening mechanism of large power device in rotating environment |
| CN103949412B (en) * | 2014-03-31 | 2016-06-22 | 中国兵器工业第二0二研究所 | The sorting mechanism of high power device under rotating environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |