CN202548294U - Suspended armature type brushless exciter load test device - Google Patents
Suspended armature type brushless exciter load test device Download PDFInfo
- Publication number
- CN202548294U CN202548294U CN 201220125459 CN201220125459U CN202548294U CN 202548294 U CN202548294 U CN 202548294U CN 201220125459 CN201220125459 CN 201220125459 CN 201220125459 U CN201220125459 U CN 201220125459U CN 202548294 U CN202548294 U CN 202548294U
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- CN
- China
- Prior art keywords
- shaft
- current collection
- brushless exciter
- load test
- collector ring
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a suspended armature type brushless exciter load test device. The device comprises a collecting ring shaft (1), collecting rings (2), a flexible connecting copper bar (5), a balance shaft (6), a supporting bearing (7), carbon brush holders (8), a stabilizing bearing (9) and a pedestal (12), wherein the stabilizing bearing, the supporting bearing and the carbon brush holders are arranged on the pedestal; one end of the collecting ring shaft is arranged on the stabilizing bearing and is connected with a dragging motor through a coupler; the other end of the collecting ring shaft and a balance shaft handle on the supporting bearing are combined together; a circuit between the collecting ring shaft and the balance shaft is connected through the flexible connecting copper bar; an anode collecting ring and a cathode collecting ring (2) are arranged on the collecting ring shaft; and one carbon brush holder is arranged at the periphery of each collecting ring. The unique overall structure which is formed by combining the balance shaft supported by two bearings and the collecting ring shaft with the stabilizing bearing is adopted, so that a load test on a suspended armature type brushless exciter without the supporting bearing can be finished.
Description
Technical field
The utility model relates to the brushless exciter technical field, is specifically related to a kind of suspension armature type brushless exciter load test device.
Background technology
According to national Specification; Before dispatching from the factory, every brushless exciter must be rotated the load behavior test under the state; The function of the test unit of load test is that the power draw with dragging motor passes to brushless exciter; And the direct current that brushless exciter is sent flows to outside load equipment through test unit, accomplishes the test of brushless exciter under load behavior.Domestic original brushless exciter self all is with spring bearing; Its test unit only is applicable to the brushless exciter of band spring bearing; The utility model is applicable to self not with the load test of the suspension armature type brushless exciter of spring bearing, and domestic do not have similar techniques scheme or a device.
The utility model content
To above-mentioned prior art, the utility model purpose is: a kind of test unit that is applicable to the suspension armature type brushless exciter rotary load test of not being with spring bearing is provided.
To achieve these goals, the utility model adopts following technical scheme:
A kind of suspension armature type brushless exciter load test device; It is characterized in that; Comprise current collection annulate shaft (1), collector ring (2), flexibly connect copper bar (5), balancing shaft (6), spring bearing (7), carbon brush holder (8), stable bearing (9), base (12), said stable bearing, spring bearing and carbon brush holder are installed on the base; One end of said current collection annulate shaft is installed on the stable bearing, links to each other with dragging motor; The balancing shaft of the other end on being installed in spring bearing puts together on, and anodal and two collector rings of negative pole (2) are housed on the said current collection annulate shaft, and the periphery of each collector ring is provided with carbon brush holder;
The circuit of said current collection annulate shaft peace weighing apparatus between centers is connected by flexible connecting device, and forms electric loop jointly with conducting rod, collector ring and carbon brush holder in balancing shaft and the current collection annulate shaft.
Said flexible connecting device is installed in the inside of current collection annulate shaft, and axle is provided with air vent and handle hole, and flexible connecting device is cooled off.
Said flexible connecting device comprise two symmetric arrangement be V-shape flexibly connect copper bar (5); An end and the handle of the conducting rod in the current collection annulate shaft that this V-shape flexibly connects copper bar close; Conducting rod in the other end and the balancing shaft is closing, and two connect the positive and negative electrode that copper bar connects conducting rod respectively.
Said positive and negative electrode collector ring inboard is respectively equipped with flow splitter, and each flow splitter is made up of two semi-rings, covers 360 ° of angles of collector ring.
Said positive and negative electrode collector ring respectively is provided with 2 contact screws; 4 contact screws are arranged symmetrically on the same axial cross section of current collection annulate shaft; Two semi-rings of each collector ring through flow splitter link to each other with 2 contact screws, more respectively with the current collection annulate shaft in the conducting rod positive and negative electrode link to each other.
Compared with prior art, the beneficial effect of the utility model shows:
One, adopted unique general structure by duplex bearing balancing shaft that supports and the current collection annulate shaft combination of being with stable bearing; Accomplished balance and supported brushless exciter armature weight, the driving torque of dragging motor is passed to the exciter armature and the direct current that the exciter armature sends flowed to the function of test load; Can accomplish self not with the rotary load test of the suspension armature type brushless exciter of spring bearing, have the function that prior art can't realize;
Two, each collector ring links to each other with 2 contact screws through the flow splitter of side, and flow splitter adopts the two halves symmetrical structure, has realized 360 ° of full week shuntings of collector ring; Distribution of current is more even; Increased the ability of the current load of device, 4 contact screws are arranged symmetrically on the same axial cross section of current collection annulate shaft, can eliminate the asymmetric vibration that brings of structure; Reduced the length of current collection annulate shaft simultaneously, made operation more stable;
Three, unique V-type flexibly connects copper bar to be arranged symmetrically in the current collection annulate shaft inner, has reduced that the assembly precision of current-carrying part requires and technology difficulty in the device, is not vulnerable to simultaneously pollute, and has reduced to take place the possibility of earth fault; Owing to connect the flexibility of copper bar, conducting rod heating back change in size causes when having avoided operation extra-stress and loose contact have improved reliability of operation; Current collection annulate shaft outside surface is smooth arc surface, greatly reduces windage loss and noise.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Reference numeral: 1 is that current collection annulate shaft, 2 is that collector ring, 3 is that contact screw, 4 is that conducting rod, 5 is that balancing shaft, 7 is that spring bearing, 8 is that carbon brush holder, 9 is that stable bearing, 10 is that dragging motor, 11 is that exciter armature, 12 is that base, 13 is a flow splitter for V-type flexibly connects copper bar, 6.
Embodiment
To combine accompanying drawing and embodiment that the utility model is done further to describe below.
A kind of suspension armature type brushless exciter load test device; Comprise current collection annulate shaft (1), collector ring (2), flexibly connect copper bar (5), balancing shaft (6), spring bearing (7), carbon brush holder (8), stable bearing (9), base (12), said stable bearing, spring bearing and carbon brush holder are installed on the base; One end of said current collection annulate shaft is installed on the stable bearing, links to each other with dragging motor through the shaft coupling on the axle; The other end is used for the dynamo-electric pivot weight of balanced excitation on being installed in spring bearing balancing shaft puts together on; The weight of armature is carried out balance by balancing shaft and is supported on the spring bearing of test unit; The suspension armature of the other end of said balancing shaft and brushless exciter is closing during load test; The power draw of dragging motor is passed to brushless exciter, and the direct current that brushless exciter sends is flowed to outside load equipment through test unit.
The circuit of said current collection annulate shaft peace weighing apparatus between centers is connected by flexible connecting device, and flexible connecting device is installed in the inside of current collection annulate shaft (1), and axle is provided with air vent (fresh air inlet) and handle hole (double as air outlet opening).Flexible connecting device comprises 2 of the symmetric arrangement copper bars that flexibly connect that are V-shape, and an end and current collection annulate shaft handle that this V-shape flexibly connects copper bar close, and the conducting rod in the other end and the balancing shaft is closing.The conducting rod, collector ring and the carbon brush holder that flexibly connect in copper bar and balancing shaft and the current collection annulate shaft are formed electric loop jointly.
Anodal and two collector rings of negative pole (2) are housed on the said current collection annulate shaft; Each collector ring side is provided with flow splitter; Flow splitter is made up of 2 semi-rings; Cover the 360 ° of angles in collector ring side, 2 semi-ring and 2 contact screws (3) of each collector ring through flow splitter are closing, and the other end of contact screw is connected with the interior conducting rod of said current collection annulate shaft; Each collector ring links to each other with the same electrode of conducting rod through 2 contact screws.The periphery of each collector ring is provided with carbon brush holder, and said brushless exciter test unit flows to external loading equipment with the direct current that exciter sends through balancing shaft, flexible connecting device, current collection annulate shaft, collector ring and carbon brush holder during load test.
Embodiment
One end of said current collection annulate shaft 1 links to each other with dragging motor 10 through shaft coupling, and the other end puts together on balancing shaft through coupling bolt.During test the brushless exciter armature put together on the projecting end in the balancing shaft outside, the weight of armature is carried out balance by balancing shaft and is supported on the spring bearing of test unit; The axle of being made up of current collection annulate shaft 1, balancing shaft 6 and brushless exciter armature 11 ties up to rotation together under the driving of dragging motor; The driving torque of dragging motor is passed to brushless exciter; The direct current that the brushless exciter armature sends through balancing shaft, flexibly connect copper bar, current collection annulate shaft, collector ring; Flow to static carbon brush holder by rotating part, accomplish the function that the DC current that the brushless exciter load test is sent flows to external loading equipment.
The fore-end that the current collection annulate shaft is connected with balancing shaft is a cavity structure, and cavity sidewalls has handle hole, and is optimum for offering two handle holes of symmetry; The current collection annulate shaft puts together on balancing shaft through bolt, and the conducting rod in the current collection annulate shaft stretches out cavity floor.Through handle hole two V-types are flexibly connected the copper bar symmetry and install, the conducting rod handle with both sides closes respectively, and conducting rod in the current collection annulate shaft and the conducting rod in the balancing shaft are coupled together, and two V-types flexibly connect copper bar and put together on respectively on the positive and negative electrode of conducting rod.Also have air vent on the cavity sidewalls of current collection annulate shaft, optimum for offering the even number air vent of symmetry, the distance in handle hole and axle center is greater than the distance in air vent and axle center.This air vent is symmetrically distributed and forms ventiduct with handle hole on the axle.Because handle hole is different with the radial position of air vent perforate; Utilize between two holes the centrifugal pressure reduction of formed air that V-type is flexibly connected the cooling of ventilating of copper bar and conducting rod during operation; To strengthen heat-sinking capability, reduce copper bar and conducting rod temperature, improve current carrying capacity.
Claims (6)
1. one kind is hung armature type brushless exciter load test device; It is characterized in that; Comprise current collection annulate shaft (1), collector ring (2), flexibly connect copper bar (5), balancing shaft (6), spring bearing (7), carbon brush holder (8), stable bearing (9), base (12), said stable bearing, spring bearing and carbon brush holder are installed on the base; One end of said current collection annulate shaft is installed on the stable bearing, links to each other with dragging motor; The balancing shaft of the other end on being installed in spring bearing puts together on, and anodal and two collector rings of negative pole (2) are housed on the said current collection annulate shaft, and the periphery of each collector ring is provided with carbon brush holder.
2. suspension armature type brushless exciter load test device according to claim 1; It is characterized in that; The circuit of said current collection annulate shaft peace weighing apparatus between centers connects by flexibly connecting copper bar, and forms electric loop jointly with conducting rod, collector ring and carbon brush holder in balancing shaft and the current collection annulate shaft.
3. suspension armature type brushless exciter load test device according to claim 2 is characterized in that said flexible connecting device is installed in the inside of current collection annulate shaft, and axle is provided with air vent and handle hole, and flexible connecting device is cooled off.
4. according to claim 2 or 3 described suspension armature type brushless exciter load test devices; It is characterized in that; Said flexible connecting device comprise two symmetric arrangement be V-shape flexibly connect copper bar (5); This V-shape flexibly connects conducting rod in an end and the current collection annulate shaft of copper bar closing, and the conducting rod in the other end and the balancing shaft is closing, and two connection copper bars connect the positive and negative electrode of conducting rod respectively.
5. suspension armature type brushless exciter load test device according to claim 1 is characterized in that said positive and negative electrode collector ring inboard is respectively equipped with flow splitter, and each flow splitter is made up of two semi-rings, covers 360 ° of angles of collector ring.
6. according to claim 1 or 5 described suspension armature type brushless exciter load test devices; It is characterized in that; Said positive and negative electrode collector ring respectively is provided with 2 contact screws; 4 contact screws are arranged symmetrically on the same axial cross section of current collection annulate shaft, and two semi-rings of each collector ring through flow splitter link to each other with 2 contact screws, more respectively with the current collection annulate shaft in the conducting rod positive and negative electrode link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220125459 CN202548294U (en) | 2012-03-29 | 2012-03-29 | Suspended armature type brushless exciter load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220125459 CN202548294U (en) | 2012-03-29 | 2012-03-29 | Suspended armature type brushless exciter load test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548294U true CN202548294U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220125459 Withdrawn - After Issue CN202548294U (en) | 2012-03-29 | 2012-03-29 | Suspended armature type brushless exciter load test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548294U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608532A (en) * | 2012-03-29 | 2012-07-25 | 东方电气集团东方电机有限公司 | Test device for load of suspension armature type brushless exciter |
| CN108919123A (en) * | 2018-08-20 | 2018-11-30 | 中车永济电机有限公司 | A kind of brushless excitation generator measuring device and its measurement method |
| CN113777489A (en) * | 2021-11-12 | 2021-12-10 | 苏州英特模汽车科技有限公司 | New forms of energy motor load test system |
-
2012
- 2012-03-29 CN CN 201220125459 patent/CN202548294U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608532A (en) * | 2012-03-29 | 2012-07-25 | 东方电气集团东方电机有限公司 | Test device for load of suspension armature type brushless exciter |
| CN102608532B (en) * | 2012-03-29 | 2014-06-18 | 东方电气集团东方电机有限公司 | Test device for load of suspension armature type brushless exciter |
| CN108919123A (en) * | 2018-08-20 | 2018-11-30 | 中车永济电机有限公司 | A kind of brushless excitation generator measuring device and its measurement method |
| CN108919123B (en) * | 2018-08-20 | 2020-06-09 | 中车永济电机有限公司 | Brushless excitation generator measuring device and measuring method thereof |
| CN113777489A (en) * | 2021-11-12 | 2021-12-10 | 苏州英特模汽车科技有限公司 | New forms of energy motor load test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140618 |
|
| RGAV | Abandon patent right to avoid regrant |