CN107689287B - A kind of flexible adjustable auto-transformer of damping of carbon brush body - Google Patents

A kind of flexible adjustable auto-transformer of damping of carbon brush body Download PDF

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Publication number
CN107689287B
CN107689287B CN201710706413.5A CN201710706413A CN107689287B CN 107689287 B CN107689287 B CN 107689287B CN 201710706413 A CN201710706413 A CN 201710706413A CN 107689287 B CN107689287 B CN 107689287B
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China
Prior art keywords
carbon brush
brush body
flexible
swing arm
damping
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CN201710706413.5A
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CN107689287A (en
Inventor
周瑞军
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Hunan Hongfubang Technology Co.,Ltd.
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Changle Yuanming Industrial Design Co Ltd
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Priority to CN201810302794.5A priority Critical patent/CN108711498A/en
Priority to CN201710706413.5A priority patent/CN107689287B/en
Publication of CN107689287A publication Critical patent/CN107689287A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/38—Brush holders
    • H01R39/40—Brush holders enabling brush movement within holder during current collection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
    • H02P13/08—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by sliding current collector along winding

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

The present invention relates to a kind of flexible adjustable auto-transformers of damping of carbon brush body, including shell, annular core, winding, carbon brush arm；The adjusting method for further relating to a kind of flexible adjustable auto-transformer of damping of carbon brush body, includes the following steps：Step 1, riffled tube is rotated；Step 2, carbon brush body reciprocal telescopic；Step 3, the adjusting of the flexible damping of carbon brush body；Radical length of the contact site of adjusting method of the present invention, the adjustable carbon brush body and winding apart from hollow circular-tube axle center；It may be implemented accurately to adjust, the radical length of the winding can be efficiently used；The flexible damping of the adjustable carbon brush body avoids the flexible plate, carbon brush body unsmooth by the winding surface shape when sliding on winding and causes uncontrollable flexible；The damping that two kinds of different contact forms of the flexible damping of the flexible plate, carbon brush body may be implemented is adjusted.

Description

A kind of flexible adjustable auto-transformer of damping of carbon brush body
Technical field
The present invention relates to technical field of electricity, and in particular to a kind of flexible adjustable self coupling transformation of damping of carbon brush body Device.
Background technique
Pressure regulator is similar with the function of transformer, is all the transformation for carrying out voltage.The pressure regulator unlike transformer The voltage of output end output is adjustable.In the power supply-distribution system of rural area, due to long distance powedr transmission, voltage loss is tight Weight, predetermined voltage is often not achieved in power supply end, therefore carries out pressure stabilizing using pressure regulator.During electrical test, distribution substation The interior equipment with different voltages grade, it is therefore desirable to which the power supply power supply to the device of different voltages, pressure regulator can play weight The effect wanted.
In above-mentioned application process, although the output of pressure regulator is applied in real process from 0 to maximum value Voltage output value only in some specific a small range.And since the length of carbon brush is certain, carbon brush is in rotation process The track of middle formation is the fixed circular trace of radius, so that winding is constantly worn in the circular trace, or even burns out and sets It is standby.And winding is then kept well at the position of other radius Circular tests, cannot be efficiently used.
Therefore a kind of method for needing to design adjustable self-coupled transformer carbon brush length effectively avoids lacking for the prior art It falls into.
Summary of the invention
In order to solve the technical problems in background technology, it is adjustable to provide a kind of flexible damping of carbon brush body by the present invention Formula auto-transformer and its adjusting method；The contact site of the adjustable carbon brush body and winding is apart from hollow circular-tube axle center Radical length；It may be implemented accurately to adjust, the radical length of the winding can be efficiently used；The adjustable carbon brush sheet The flexible damping of body avoids the flexible plate, carbon brush body unsmooth by the winding surface shape when sliding on winding And cause uncontrollable flexible；Two kinds of different contact forms of the flexible damping of the flexible plate, carbon brush body may be implemented Damping is adjusted.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of flexible adjustable auto-transformer of damping of carbon brush body including shell, is located at the annular iron of outer casing bottom Winding, the carbon brush arm of core, solderless wrapped connection on the annular core；
The shell is hollow cylinder shell, and shell lower end surface center is equipped with lower through-hole, and edge is set on the lower through-hole There is internal screw thread cylinder, the internal screw thread cylinder side wall is equipped with outer cable hole along longitudinal direction, and the upper shell is open and is removably connected with Annular upper cover, the side wall of outer shell inner face are equipped with pawl；
The carbon brush arm includes：
Hollow circular-tube is slidably plugged in the internal screw thread cylinder, is made of insulating material；
Carbon brush supports, including hollow slab made of the insulating materials that is located on the hollow circular-tube, along the shell diameter To the plate that stretches made of the metal material being slidably plugged in the hollow slab, it is located under the flexible plate not-go-end The carbon brush body of the abutting of winding described in Fang Bingyu, the bar shaped slide opening for being located at the flexible plate not-go-end, the bar shaped slide opening length Direction is perpendicular to the flexible panel telescoping direction；
Thread guide devices, including the sliding touching for being slidably plugged in the hollow circular-tube and being abutted with the flexible plate Bar, is located at the lead cross bar not-go-end at the lead cross bar for being located at the sliding feeler lever lower end side and stretching out via outer cable hole Connecting lead wire, be screwed onto internal screw thread cylinder lower end underlying bolt, be located at the underlying pressure spring of the lower through-hole lower end, it is described Underlying pressure spring lower end is abutted with underlying bolt and upper end is abutted with lead cross bar；
Riffled tube, connection setting pass through the annular upper cover and are arranged, under the riffled tube in hollow slab upper surface End is slidably inserted with the adjusting briquetting abutted with the flexible plate, is also bolted with above the riffled tube and sets spiral shell Bolt, it is described on set bolt lower end surface and be equipped with and adjust inserted link, be located in the riffled tube adjust briquetting and on set between bolt Position, which is additionally provided with, sets pressure spring, it is described on set pressure spring solderless wrapped connection on the adjusting inserted link；
Swing arm is driven, the riffled tube side wall is located at and is located at the carbon brush supports top, to drive flexible plate 42b, carbon brush body do reciprocal telescopic movement, and the driving swing arm includes：
Fixed swing arm, is vertically located at the riffled tube side wall；
Rotation mandrel is rotatably plugged in the fixed swing arm distal end；
Ratchet is located above the rotation mandrel, is driven and is cooperated with the pawl；
Driven turntable is located at the rotation mandrel lower end；
Plug is rotated, the driven turntable lower end surface is located at；
Activity swing arm is hinged below the fixed swing arm by shaft；
Radial groove is located above the activity swing arm not-go-end, and then driving activity swing arm mating with rotation plug 45f does reciprocally swinging by axis of hollow circular-tube；
Plug is swung, is located at below the activity swing arm, and then driving mating with the bar shaped slide opening is described flexible Plate, carbon brush body do reciprocal telescopic movement；
A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body, includes the following steps：
Step 1, riffled tube is rotated：
It rotates the riffled tube and drives the hollow circular-tube, carbon brush supports, driving swing arm rotation, the carbon brush body exists It is slipped on the winding, and then adjusts the output voltage of the auto-transformer；
Step 2, carbon brush body reciprocal telescopic：
Back and forth pass through the pawl in the reciprocal rotation process of the driving swing arm, between the pawl drives the ratchet to do The one-directional rotation having a rest drives the rotation mandrel, driven turntable, rotates the one-directional rotation that plug does interval, the rotation plug Act on the radial groove so drive the activity swing arm, swing plug do it is intermittent past centered on hollow circular-tube Physical pendulum is dynamic：
The swing plug of reciprocally swinging acts on bar shaped slide opening and makes flexible plate, carbon brush body reciprocal telescopic movement, institute Stating carbon brush body, the radical length of itself and winding contact position constantly changes during rotation, avoids due to carbon brush body 42c The phenomenon that a certain fixed Circular test of long term wear winding caused by radical length is fixed, effective wear area is considerably increased, is dropped Low abrasion rate；
Step 3, the adjusting of the flexible damping of carbon brush body：
Step 3.1, elastic force action type adjusting method：
It rotates and sets bolt on described and so that it is rotated stepping and then adjust the decrement for setting pressure spring on described, and then described in adjusting Briquetting is adjusted to the pressure of flexible plate, so adjust the flexible plate, carbon brush body it is flexible when frictional damping；
Step 3.2, contact adjusting method is crimped：
Bolt is set on described to be stepped down by until when the adjusting inserted link is crimped on the adjusting briquetting, continues to screw Bolt is set on described makes the adjusting inserted link persistently compress adjusting briquetting, and then makes the adjusting briquetting to the pressure of flexible plate It uprushes, frictional damping when adjusting flexible plate, carbon brush body are flexible is uprushed.
Further, the connecting lead wire is made of metal material.
Further, the connecting lead wire is made of copper or aluminum material.
Beneficial effects of the present invention：
One, a kind of adjustable auto-transformer of the flexible damping of carbon brush body of the present invention and its adjusting method, lead to The reciprocal swing driving swing arm is crossed to adjust output voltage, when detent positions described in the every round trip of the driving swing arm, The pawl drives the ratchet, rotation mandrel, driven turntable, rotation plug to carry out the rotation of interval, and passes through rotation plug It drives the activity swing arm, swing the reciprocally swinging that plug does interval, realize the flexible plate, carbon eventually by plug is swung It is long to adjust radial direction of the contact site of the carbon brush body and winding apart from hollow circular-tube axle center for the reciprocal telescopic movement of brush ontology Degree.
Two, a kind of adjustable auto-transformer of the flexible damping of carbon brush body of the present invention and its adjusting method, institute Detent positions described in the driving every round trip of swing arm are stated, the pawl drives the angle of one ratchet of ratchet wheel, drives The rotation mandrel, driven turntable, rotation plug rotate a ratchet angle, and further drive the activity swing arm, Swing plug and swing a small angular range, finally realize the flexible plate, carbon brush body flexible one it is small away from From the present invention may be implemented accurately to adjust, and can efficiently use the radical length of the winding.
Three, a kind of adjustable auto-transformer of the flexible damping of carbon brush body of the present invention and its adjusting method, lead to It crosses the connecting lead wire to connect with winding one end, and the connecting lead wire, lead cross bar, sliding feeler lever, flexible plate, carbon brush Ontology is sequentially electrically connected, and the position i.e. adjustable output voltage of the carbon brush body is then adjusted by rotate driving swing arm；And And the rotation of the driving swing arm and the flexible of flexible plate all do not interfere with the flexible plate and slide connecing for feeler lever Touching.
Four, a kind of adjustable auto-transformer of the flexible damping of carbon brush body of the present invention and its adjusting method, can To adjust the flexible damping of the carbon brush body, avoid the flexible plate, carbon brush body when being slided on winding under normal conditions Due to lack damping cause it is uncontrollable flexible, such as when the inclination of auto-transformer installation site, even if driving swing arm whenever By that can be finely adjusted to the position of carbon brush body when the detent positions, but due to the presence of gravity, the carbon Brush ontology is generated offset after crossing pawl by gravity again immediately.
Five, a kind of adjustable auto-transformer of the flexible damping of carbon brush body of the present invention and its adjusting method, can The resistance for two kinds of different contact forms that bolt realizes the flexible damping of the flexible plate, carbon brush body is set on described by adjusting Buddhist nun is adjusted：
Step 3.1, elastic force action type adjusting method：
It rotates and sets bolt on described and so that it is rotated stepping and then adjust the decrement for setting pressure spring on described, and then described in adjusting Adjust frictional damping of the briquetting to the pressure of flexible plate, when the flexible plate, carbon brush body are flexible；
Step 3.2, contact adjusting method is crimped：
Bolt is set on described to be stepped down by until when the adjusting inserted link is crimped on the adjusting briquetting, continues to screw Bolt is set on described makes the adjusting inserted link persistently compress adjusting briquetting, and then makes the adjusting briquetting to the pressure of flexible plate It uprushes, frictional damping when adjusting flexible plate, carbon brush body are flexible is uprushed.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of cross-sectional view of embodiment of the auto-transformer.
Fig. 2 is a kind of cross-sectional view of embodiment of the carbon brush arm.
Fig. 3 is a kind of top view of embodiment of the auto-transformer（Omit annular upper cover）.
Fig. 4 is Section A-A cross-sectional view in Fig. 1.
In figure:
1. shell, 11. lower through-holes, 12. internal screw thread cylinders, 13. outer cable holes, 14. annular upper covers, 15. pawls；
2. annular core；
3. winding；
4. carbon brush arm；
41. hollow circular-tube；
42. carbon brush supports, 42a. hollow slab, 42b. stretches plate, 42c. carbon brush body, 42d. bar shaped slide opening；
43. thread guide devices, 43a. slides feeler lever, 43b. lead cross bar, 43c. connecting lead wire, the underlying bolt of 43d., 43e. Underlying pressure spring；
44. riffled tube；44a. adjusts briquetting；Bolt is set on 44b.；44c. adjusts inserted link；Pressure spring is set on 44d.；
45. swing arm is driven, the fixed swing arm of 45a., 45b. rotation mandrel, 45c. ratchet, 45d. driven turntable, 45e. rotation Plug, 45f. activity swing arm, 45g. radial groove, 45h. swing plug.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail.
A kind of flexible adjustable auto-transformer of damping of carbon brush body including shell 1, is located at the annular of 1 bottom of shell Winding 3, the carbon brush arm 4 of iron core 2, solderless wrapped connection on the annular core 2；
The shell 1 is hollow cylinder shell, and the 1 lower end surface center of shell is equipped with lower through-hole 11, the lower through-hole 11 Upper edge is equipped with internal screw thread cylinder 12, and 12 side wall of internal screw thread cylinder is equipped with outer cable hole 13 along longitudinal direction, and 1 upper end opening of shell is simultaneously It is removably connected with annular upper cover 14, the 1 side wall inner face of shell is equipped with pawl 15；
The carbon brush arm 4 includes：
Hollow circular-tube 41 is slidably plugged in the internal screw thread cylinder 12, is made of insulating material；
Carbon brush supports 42, including hollow slab 42a made of the insulating materials that is located on the hollow circular-tube 41, along described Stretch made of the radial metal material being slidably plugged in the hollow slab 42a of shell 1 plate 42b, be located at it is described Flexible plate 42b not-go-end lower section and the carbon brush body 42c abutted with the winding 3, the item for being located at the flexible plate 42b not-go-end Shape slide opening 42d, the bar shaped slide opening 42d length direction is perpendicular to the flexible plate 42b telescopic direction；
Thread guide devices 43, including be slidably plugged in the hollow circular-tube 41 and abutted with the flexible plate 42b Sliding feeler lever 43a, be located at it is described sliding the lower end feeler lever 43a side and via outer cable hole 13 stretch out lead cross bar 43b, set The lead cross bar 43b not-go-end connecting lead wire 43c, be screwed onto 12 lower end of internal screw thread cylinder underlying bolt 43d, be located at The underlying pressure spring 43e of 11 lower end of lower through-hole, the lower end underlying pressure spring 43e abutted with underlying bolt 43d and upper end with draw Line cross bar 43b is abutted；
Riffled tube 44 is connected to setting in the upper surface hollow slab 42a, passes through the annular upper cover 14 and be arranged, described interior 44 lower end of screwed pipe is slidably inserted with the adjusting briquetting 44a abutted with the flexible plate 42b, on the riffled tube 44 Side is also bolted with and sets bolt 44b, it is described on set the lower end surface bolt 44b and be equipped with and adjust inserted link 44c, position in the riffled tube 44 In adjust briquetting 44a and on set between bolt 44b position be additionally provided with and set pressure spring 44d, it is described on set pressure spring 44d solderless wrapped connection in institute It states and adjusts on inserted link 44c；
Swing arm 45 is driven, 44 side wall of riffled tube is located at and is located above the carbon brush supports 42, stretched to drive Contracting plate 42b, carbon brush body 42c do reciprocal telescopic movement, and the driving swing arm 45 includes：
Fixed swing arm 45a, is vertically located at 44 side wall of riffled tube；
Rotation mandrel 45b is rotatably plugged in the fixed distal end swing arm 45a；
Ratchet 45c is located above the rotation mandrel 45b, is driven and is cooperated with the pawl 15；
Driven turntable 45d is located at the lower end the rotation mandrel 45b；
Plug 45e is rotated, the lower end surface the driven turntable 45d is located at；
Activity swing arm 45f is hinged below the fixed swing arm 45a by shaft；
Radial groove 45g is located above the activity swing arm 45f not-go-end, and then driving mating with rotation plug 45e Activity swing arm 45f is that axis does reciprocally swinging with hollow circular-tube 41；
Plug 45h is swung, is located at below the activity swing arm 45f, and then driving mating with the bar shaped slide opening 42d The flexible plate 42b, carbon brush body 42c do reciprocal telescopic movement；
A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body, includes the following steps：
Step 1, riffled tube 44 is rotated：
Rotating the riffled tube 44 drives the hollow circular-tube 41, carbon brush supports 42, driving swing arm 45 to rotate, the carbon Brush ontology 42c is slipped on the winding 3, and then adjusts the output voltage of the auto-transformer；
Step 2, carbon brush body 42c reciprocal telescopic：
Back and forth pass through the pawl 15 in the reciprocal rotation process of the driving swing arm 45, the pawl 15 drives the spine Wheel 45c does the one-directional rotation of interval, and the rotation mandrel 45b, driven turntable 45d, rotation plug 45e is driven to do the unidirectional of interval Rotation, the rotation plug 45e act on the radial groove 45g and then drive the activity swing arm 45f, swing plug 45h Do the intermittent reciprocally swinging centered on hollow circular-tube 41：
The swing plug 45h of reciprocally swinging acts on bar shaped slide opening 42d and makes flexible plate 42b, carbon brush body 42c reciprocal Stretching motion, the radical length of itself and 3 contact position of winding constantly changes the carbon brush body 42c during rotation, avoids It the phenomenon that long term wear 3 a certain fixed Circular test of winding caused by being fixed as carbon brush body 42c radical length, considerably increases Effective wear area reduces rate of depreciation；
Step 3, the adjusting of the flexible damping of carbon brush body 42c：
Step 3.1, elastic force action type adjusting method：
It rotates and sets bolt 44b on described and so that it is rotated stepping and then adjust the decrement for setting pressure spring 44d on described, and then adjust The adjusting briquetting 44a is saved to the pressure of flexible plate 42b, and then it is flexible to adjust the flexible plate 42b, carbon brush body 42c When frictional damping；
Step 3.2, contact adjusting method is crimped：
Bolt 44b is set on described to be stepped down by until the adjusting inserted link 44c is crimped on the adjusting briquetting 44a When, continue to screw to set bolt 44b on described and compress the adjusting inserted link 44c persistently adjusting briquetting 44a, and then making the adjusting Briquetting 44a adjusts friction resistance when the flexible plate 42b, carbon brush body 42c stretch to the pressure jump of flexible plate 42b Buddhist nun uprushes.
Further, the connecting lead wire 43c is made of metal material.
Further, the connecting lead wire 43c is made of copper or aluminum material.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (1)

1. a kind of flexible adjustable auto-transformer of damping of carbon brush body, it is characterised in that：Including shell（1）, be located at shell （1）The annular core of bottom（2）, solderless wrapped connection is in the annular core（2）On winding（3）, carbon brush arm（4）；
The shell（1）For hollow cylinder shell, the shell（1）Lower end surface center is equipped with lower through-hole（11）, the lower through-hole （11）Upper edge is equipped with internal screw thread cylinder（12）, the internal screw thread cylinder（12）Side wall is equipped with outer cable hole along longitudinal direction（13）, the shell （1）Upper end opening is simultaneously removably connected with annular upper cover（14）, the shell（1）Side wall inner face is equipped with pawl（15）；
The carbon brush arm（4）Including：
Hollow circular-tube（41）, slidably it is plugged in the internal screw thread cylinder（12）It is interior, it is made of insulating material；
Carbon brush supports（42）, including it is located at the hollow circular-tube（41）On insulating materials made of hollow slab（42a）, along institute State shell（1）It is radial to be slidably plugged in the hollow slab（42a）Stretch plate made of interior metal material（42b）, It is located at the flexible plate（42b）Below not-go-end and with the winding（3）The carbon brush body of abutting（42c）, be located at it is described flexible Plate（42b）The bar shaped slide opening of not-go-end（42d）, the bar shaped slide opening（42d）Length direction is perpendicular to the flexible plate（42b） Telescopic direction；
Thread guide devices（43）, including slidably it is plugged in the hollow circular-tube（41）It is interior and with the flexible plate（42b）It supports The sliding feeler lever connect（43a）, be located at the sliding feeler lever（43a）Lower end side and via outer cable hole（13）The lead of stretching is horizontal Bar（43b）, be located at the lead cross bar（43b）The connecting lead wire of not-go-end（43c）, be screwed onto the internal screw thread cylinder（12）Lower end Underlying bolt（43d）, be located at the lower through-hole（11）The underlying pressure spring of lower end（43e）, the underlying pressure spring（43e）Lower end is under Set bolt（43d）It abuts and upper end and lead cross bar（43b）It abuts；
Riffled tube（44）, connection setting is in hollow slab（42a）Upper surface passes through the annular upper cover（14）Setting, it is described Riffled tube（44）Lower end is slidably inserted with and the flexible plate（42b）The adjusting briquetting of abutting（44a）, the interior spiral shell Line pipe（44）Top is also bolted with and sets bolt（44b）, it is described on set bolt（44b）Lower end surface, which is equipped with, adjusts inserted link（44c）, institute State riffled tube（44）It is interior to be located at adjusting briquetting（44a）With above set bolt（44b）Between position be additionally provided with and set pressure spring （44d）, it is described on set pressure spring（44d）Solderless wrapped connection is in the adjusting inserted link（44c）On；
Drive swing arm（45）, it is located at the riffled tube（44）Side wall is located at the carbon brush supports（42）At top, to drive Flexible plate（42b）, carbon brush body（42c）Do reciprocal telescopic movement, the driving swing arm（45）Including：
Fixed swing arm（45a）, vertically it is located at the riffled tube（44）Side wall；
Rotation mandrel（45b）, rotatably it is plugged in the fixed swing arm（45a）Distally；
Ratchet（45c）, it is located at the rotation mandrel（45b）Top, with the pawl（15）Transmission cooperation；
Driven turntable（45d）, it is located at the rotation mandrel（45b）Lower end；
Rotate plug（45e）, it is located at the driven turntable（45d）Lower end surface；
Activity swing arm（45f）, the fixed swing arm is hinged on by shaft（45a）Lower section；
Radial groove（45g）, it is located at the activity swing arm（45f）Above not-go-end, with rotation plug（45e）Mating and then drive Dynamic activity swing arm（45f）With hollow circular-tube（41）Reciprocally swinging is done for axis；
Swing plug（45h）, it is located at the activity swing arm（45f）Lower section, with the bar shaped slide opening（42d）Mating and then drive Move the flexible plate（42b）, carbon brush body（42c）Do reciprocal telescopic movement.
CN201710706413.5A 2017-08-17 2017-08-17 A kind of flexible adjustable auto-transformer of damping of carbon brush body Active CN107689287B (en)

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CN201810302794.5A CN108711498A (en) 2017-08-17 2017-08-17 A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body
CN201710706413.5A CN107689287B (en) 2017-08-17 2017-08-17 A kind of flexible adjustable auto-transformer of damping of carbon brush body

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CN110098039A (en) * 2019-04-21 2019-08-06 吕娜 A kind of application method of adjustable variable-pressure device
CN112834341B (en) * 2020-12-31 2023-05-16 徐州云泰精密技术有限公司 Tensile force and pressure detection equipment for carbon brush of carbon brush holder

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