Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K5/00—Casings; Enclosures; Supports
  • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
  • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
  • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
  • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
  • F02N15/006—Assembling or mounting of starting devices
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
  • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
  • F16C25/02—Sliding-contact bearings
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N11/00—Starting of engines by means of electric motors
  • F02N11/10—Safety devices
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
  • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
  • F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
  • F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning type
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
  • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
  • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
  • F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
  • F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
  • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
  • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
  • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
  • F02N15/062—Starter drives
  • F02N15/065—Starter drives with blocking means
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
  • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
  • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
  • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
  • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
  • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators

Definitions

• Apparatus for Adjusting Axial Play Prior Art US 2,934,656 relates to an electric machine. At the commutator end of the electric machine, a spring-loaded ball is received in a bore of a shaft. The spring-loaded shaft is in turn surrounded by a multi-part socket on which a cover is attached.
• DE 73 33 438 relates to a longitudinally adjustable axial shaft bearing. This is used in particular on the rotor shaft of a low-power electric motor. There is provided a ground plane shaft end, wherein within a bore of a bearing plate immediately after the shaft end a ball and a threaded pin are arranged. The grub screw is provided with a fine thread.
• the starting device comprises a drive shaft with an armature and a commutator.
• An armature shaft is rotatably mounted in a drive bearing and a Kommutatorlager, which are each mounted in the housing of the Anxmotors, and has a
• Fine thread section at the end of the armature shaft screwed fine thread nut is tightened controlled, with a force-displacement monitoring is performed during the tightening process.
• the tightening takes place until the fine thread nut can no longer be moved, that is to say is turned on "stop"
• Rotary movement of the fine thread nut in the opposite direction so that depending on the number of revolutions in the direction opposite to the tightening direction, any desired, well-defined axial clearance can be adjusted.
• the self-adjusting axial clearance depends on the thread pitch that exists in the fine thread, as well as on the backward turning angle of the fine thread nut and the number of full turns of the fine thread nut opposite to the tightening direction.
• Fine thread nut this can be embossed, for example, with the armature shaft, welded or glued with threadlocker.
• Anchor shaft provided with a contour.
• This contour is preferably introduced into the interior of the armature shaft, and may be formed, for example, by a hexagon socket, an internal torx, a slot or a cross slot, or the like. This depends in each case on the geometry of the counter-holding tool used to counteract.
• Figure 2 shows a longitudinal section through the commutator end of the armature shaft of
• FIG. 3 shows a perspective view from the outside of the commutator bearing cover
• Figure 4 is a mounted fine thread nut
• Figure 5 shows an overlap of the fine thread nut with a cap-shaped element. variants
• the inventively proposed device for adjusting axial play can on electrical machines such as a starter device for
• Pole shoes with excitation windings includes.
• the solution proposed according to the invention can be used on electrical machines whose armature longitudinal play is to be adjusted, wherein one end of the shaft to be adjusted or secured with respect to its axial play must be accessible from the outside of the housing of the electric machine.
• the starter device 10 according to FIG. 1 has, for example, a starter motor 13 and a toe-in actuator 16, designed, for example, as a relay or as a starter relay.
• the starter motor 13 and the electric Vorspuraktuator 16 are fixed to a common drive end plate 19.
• the starter motor 13 serves to drive a starter pinion 22 when this in a ring gear 25 of a not shown in Figure 1
• the starter motor 13 has a pole tube as a housing 28, which carries permanent magnets 31 on its inner circumference.
• the permanent magnets 31 in turn surround an armature 37, which has a built-up of fins 40 armature package 43 and arranged in grooves 46
• Armature winding 49 has.
• the armature package 43 is for example pressed onto an armature shaft 44.
• a commutator 52 is further attached, which among other things consists of individual ones
• Commutator blades 55 is constructed.
• the commutator bars 55 are electrically connected in a known manner with the armature winding 49, that when energized
• Commutator blades 55 by carbon brushes 58 sets a rotational movement of the armature 37 within the pole tube 28.
• the armature shaft 44 is commutator side supported with a shaft journal 64 in a sliding bearing 67, which in turn is held stationary in a Kommutatorlagerdeckel 70.
• the commutator bearing cap 70 in turn is fastened in the drive end shield 19 by means of tie rods 73 which are distributed over the circumference of the pole tube 28 (screws, for example 2, 3 or 4 pieces). It supports the pole tube 28 on the drive end plate 19 and the commutator bearing cover 70 on the pole tube 28.
• the armature 37 is followed by a sun gear 80, which is part of a planetary gear 83, in particular a planetary gear.
• the sun gear 80 is surrounded by a plurality of planetary gears 86, usually these are three planet wheels 86, which are supported by means of rolling bearings on journals 92.
• Planet wheels 86 roll in a ring gear 95, which is supported on the outside via an intermediate bearing 101 in the pole tube 28.
• the planet gears 86 are adjoined by a planet carrier 98, in which the axle journals 92 are received.
• the planet carrier 98 is in turn stored in an intermediate storage 101 and in a slide bearing 104 arranged therein.
• the intermediate bearing 101 is designed cup-shaped, that in this both the planet carrier 98 and the planet wheels 86th are included.
• the ring gear 95 is arranged, which is ultimately closed by a cover 107 relative to the armature 37.
• the armature 37 has at the end facing away from the commutator 52 end of the armature shaft 44 has a further shaft journal 1 10, which is also received in a sliding bearing 1 13.
• the slide bearing 1 13 in turn is received in a central bore of the planet carrier 98.
• the planet carrier 98 is integrally connected to the output shaft 1 16.
• the output shaft 1 16 is supported with its end facing away from the intermediate bearing 101 1 19 in a further bearing 122 which is fixed in the drive bearing plate 19, supported.
• the output shaft 1 16 is divided into several sections. Thus, the section which is arranged in the sliding bearing 104 of the intermediate bearing 101, a section with a
• Helical gear 125 which is part of a shaft-hub connection 128.
• the shaft-hub connection 128 in this case allows the axial sliding with the rearward
• Mit History 131 is a sleeve-like extension, which is integral with a cup-shaped
• the freewheel 137 (directional locking mechanism) further comprises an inner ring 140, which is arranged radially within an outer ring 132. Between the inner ring 140 and a keyway of the outer ring 132 clamping body 138 are arranged. The clamping body 138 prevent in cooperation of inner and outer ring 132, 140, a relative rotation between the outer ring 132 and the inner ring 140 in a second direction. In other words, the freewheel 137 allows a
• the inner ring 140 is formed integrally with the starter pinion 20 and its helical teeth 143 (external helical teeth).
• the electric Vorspuraktuator 16, or the starting relay and the linearly movable relay armature 168 also have the task, with a tension member 187 to move in the drive bearing plate 19 movably arranged lever 190.
• the lever 190 usually designed as a fork lever, engages with two "tines" not shown here between two discs 193 and 194, thereby the starter pinion 22 in the
• Sprocket 25 Chipspuren a not shown in Figure 1 internal combustion engine. Between the discs 193 and 194, a driver 197 is arranged. Between one of the discs 193 and 194 and the outer ring 132 of the freewheel 137 extends a
• the electric Vorspuraktuator 16 has a connection bolt 150 which represents an electrical contact and in the case of Einbausein in the vehicle to the positive terminal of an electric starter battery, which is not shown in Figure 1, is connected.
• the terminal bolt 150 is passed through a lid 153.
• a second bolt 152 is a connection for the electric starter motor 13, which is supplied via the power supply 61 (thick wire).
• the lid 153 includes a housing 156 made of steel, which by means of several
• Fasteners 159 (screws) is attached to the drive end plate 19.
• a pusher 174 for exercising a
• the starter relay 16 has a holding winding 162 and a pull-in winding 165.
• Windings 162, 165 each cause an electromagnetic field in the switched-on state, which flows through the components relay housing 156, magnet armature 168 and an armature return 171.
• Reference numeral 177 denotes a switching pin or a switching axis, which is received in the armature circuit 171. Contacts 180 and 181 are contacted by a contact bridge 184, which is received on the circumference of the switching pin 177 and the switching axis 177 and in a socket.
• FIG. 2 shows a longitudinal section through the commutator-side end of the armature shaft of the electric machine according to FIG. Figure 2 shows that the armature shaft 44 by means of the sliding bearing 67 in the commutator bearing cap
• the tool attachment 208 can be formed as a hexagon socket, as an internal torx, as a slot or as a cross slot geometry.
• Tool attachment 208 serves to counter the armature shaft 44, as soon as one in Figure 2 in
• Section shown fine thread nut 206 is turned on a fine thread section 204 against a here annular stop 214.
• Figure 2 which is on the Fine thread portion 204 screwed fine thread nut 206 from the outside, ie an outside 212 of the commutator bearing cap 70 freely accessible.
• the bearing assembly is as follows: Between the commutator 52 and the fine thread nut 206 of the commutator bearing cap 70 and the stopper 214 are arranged. Between the commutator 52 and the stop 214 is the
• Commutator bearing cap 70 molded with a tubular neck. In the neck, the sliding bearing 67 is inserted. The sliding bearing 67 is thus arranged between the commutator 52 and the stop 214. The stopper 214 is thus located between the tubular nozzle and its end face and the fine thread nut 206.
• the commutator 52 is provided with a friction-reducing thrust washer, which is here attached to the commutator 52 and rests against an inside of the commutator bearing cap 70.
• the commutator bars are designated by reference numeral 55.
• the carbon brushes are referred to, which are employed from the outside via spring elements, not shown, to the commutator fins 55 of the commutator 52.
• Starter device 10 in addition to the fine thread portion 204 on the outside of the shaft journal 64, the said fine thread nut 206.
• FIG. 3 shows a perspective view from the outside of the commutator bearing cover.
• the housing of the electric machine 10 - in the present case a starter device for starting internal combustion engines is formed by the pole tube 28.
• pole tube 28 instead of permanent magnets 31, it would also be conceivable to arrange pole shoes on the inside of the pole tube serving as the housing, each of which has a field winding.
• FIG. 3 further shows that the armature shaft 44 has the armature 37, which is shown here in section.
• the housing of the starter device 10 formed by the pole tube 28 is closed by the Kommutatorlagerdeckel 70 through which the shaft journal 64th protrudes outwardly and on the fine thread portion 204, the fine thread nut 206 is screwed.
• Figure 4 shows a mounted fine thread nut of the device for adjusting the
• FIG. 4 As can be seen from the perspective view according to FIG. 4, FIG. 4
• Fine thread nut 206 on its outer circumference, in this case arranged in 90 ° pitch tool lugs 216 on.
• a tightening tool plunges into these tool lugs 216 when the fine thread nut 206 is bolted to the fine thread portion 204 of the shaft journal 64. If the fine thread nut 206 is rotated by a corresponding, engaging in the tool projections 216 tool, holding the shaft journal 64 by inserting a corresponding counter-holding tool into the tool attachment 208, which is formed on the end face 210 of the shaft journal 64.
• Figure 5 shows an overlap of the device for adjusting axial play by a cap-shaped element.
• a cap 218 can - as shown in Figure 5 - after setting a
• the cap 218 is manufactured as an injection molded component from a plastic material.
• the geometry shown in Figure 5 in perspective reproduction of the cap 218 other geometries are of course conceivable; only the cap 218 serves to protect the components 204 and 206 of the device 202 for adjusting the axial play of the armature shaft 44th
• any desired axial play armature shaft 44 in particular any desired Ankeraxialspiel be adjusted.
• the respectively adjustable axial clearance results from the thread pitch of the fine thread and the return angle of the fine thread nut 206 below
• the fine thread nut 206 is after setting the well-defined
• the position assurance of the fine thread nut 206 can, for example, by embossing,
• Tool attachment 208 which extends from the end face 210 of the shaft journal 64 from.
• the tool attachment 208 can, for example, as a hexagon socket, as réelleentorx-, as a slot or as a cross slot depending on the configuration of the inserted

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Power Engineering (AREA)
• Dc Machiner (AREA)
• Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46146870

Family Applications (1)

Country Status (4)

Families Citing this family (4)

Family Cites Families (15)

• 2011
  • 2011-05-31 DE DE102011076764A patent/DE102011076764A1/de not_active Withdrawn
• 2012
  • 2012-05-18 CN CN201280025562.0A patent/CN103608597A/zh active Pending
  • 2012-05-18 WO PCT/EP2012/059271 patent/WO2012163694A1/de active Application Filing
  • 2012-05-18 EP EP12722360.0A patent/EP2715165A1/de not_active Withdrawn

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events