CN106000851B - A kind of eccentric shaft is away from having grade and stepless adjusting apparatus and method of adjustment - Google Patents
A kind of eccentric shaft is away from having grade and stepless adjusting apparatus and method of adjustment Download PDFInfo
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- CN106000851B CN106000851B CN201610515763.9A CN201610515763A CN106000851B CN 106000851 B CN106000851 B CN 106000851B CN 201610515763 A CN201610515763 A CN 201610515763A CN 106000851 B CN106000851 B CN 106000851B
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- disk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
- B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
- B06B1/162—Making use of masses with adjustable amount of eccentricity
Abstract
The invention discloses a kind of eccentric shaft away from the device for having grade and stepless changing, there are grade positioning device and eccentricity adjusting apparatus including drive shaft, disk, reel and eccentricity, it is inserted by some eccentric pin hole on one in two spring catch in the dowel hole of disk setting symmetrical above and below alignment reel and realizes there is grade eccentricity to position, the as eccentricity stepless changing when spring catch and the non-aligned insertion of eccentric pin hole.Two T-slots being slidably matched in guiding and disk by the rectangular boss of rectangular channel on disk and reel by T-nut and trip bolt are fastenedly connected or unclamp adjustment with reel.There is grade positioning that plug positioning pin can be avoided to operate using the eccentricity of spring catch, it is simple and quick, eccentricity Adjustment precision by each dowel hole positions and dimensions accuracy guarantee, it is reproducible, adjusting range is larger, can as slider-crank mechanism, sine excitation mechanism driving or it is other need adjustable eccentric away from application.
Description
Technical field
The present invention relates to a kind of eccentricity adjusting apparatus, especially a kind of eccentric shaft is away from mechanically having grade and stepless-adjustment
Engagement positions.
Background technology
In sine excitation device, hydraulic servo oil cylinder can be used in sinusoidal motion or variable-frequency motor driving eccentric shaft is realized.
When making vibrator with hydraulic servo oil cylinder, the energy of stepless changing amplitude in the range of oil cylinder stroke can be realized by displacement sensor
Power.And when using eccentric shaft driving, eccentricity adjustment is relatively cumbersome, generally use leading screw and nut mechanism and arrangement guide rail and fastening
Screw is moved by eccentric shaft relative rotation axle center realizes eccentric stepless changing, but Adjustment precision and repeatable accuracy are relatively low.Invention
Patent " eccentricity adjusting method and device of vertical numerically controlled grinder to process eccentric orifice " (application number：200910053872.3) propose
A kind of method for realizing that different eccentricities accurately adjust by digitizing SERVO CONTROL, suitable for the adjustment of larger eccentricity.
But servo motor is needed to drive, mechanism is complicated, and cost is higher, using being restricted." a kind of eccentric shaft is away from having for patent of invention
Grade adjusting apparatus " (ZL201110307143.3) is realized that required eccentricity adjusts by rotating eccentricity disk, will be dialled using spring
Pin push-in pin hole without dismantling positioning pin and screw, avoids human factor from influencing, simple and quick and have a grade eccentricity precision
Ensure that consistency is good, but shortcoming is that eccentricity can not be adjusted arbitrarily by processing, when required eccentricity with structure presupposed off-center away from not
It cannot meet the requirements simultaneously.Therefore, it is necessary to design it is a kind of can have simultaneously default common have grade eccentricity and stepless bias
Away from adjustment function, meet not only had had the accurate, convenient of grade adjustment in adjustable extent, but also can take into account the adjustment need of stepless eccentricity
It asks.
Invention content
The defects of the purpose of the invention is to overcome present in the prior art, providing one kind quickly can accurately realize partially
The heart is away from the device for having grade adjustment that can meet eccentricity stepless changing again.
In order to achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of eccentric shaft is away from having grade and stepless adjusting apparatus, including drive shaft 1, disk 2, reel 7 and eccentricity
There are grade positioning device and eccentricity adjusting apparatus, the circular hole 2a that perforation is equipped at 2 center of disk is connected with drive shaft 1,
It is characterized in that：2 end face outside of disk is equipped with the rectangular channel 2b perpendicular to circular hole 2a axis, is symmetrically set in rectangular channel 2b both sides
There are two T-slot 2cs parallel with rectangular channel 2b, symmetrically place is respectively set on the outside of two T-slot 2c and with rectangular channel 2b central axis
There are one the identical dowel hole 2d of diameter；The reel 7 is equipped with eccentric shaft 7a, 7 round plate of reel along axis in outer side end face
The symmetrical parallel trimming in the left and right sides divided forms chamfered edge disk 7b, and 7 inner side end center of reel is equipped with rectangular boss in the horizontal direction
7d is straight away from several sizes are respectively equipped on the equidistant symmetrical line of rectangular boss 7d center lines in chamfered edge disk 7b inner side ends
The step-like eccentric pin hole 7c of diameter, at chamfered edge disk 7b left cut faces center, vertical eccentric axis 7a axis are equipped with the adjusting screw hole of perforation
7e；The eccentricity has grade positioning device to include two sets of spring catch being respectively installed in 2 dowel hole 2d of disk and chamfered edge disk
Several eccentric pin hole 7c set on 7b, spring catch include from outside to inside diameter ladder increase and big end be equipped with blind hole finger 4,
End cap 8 set on 2 dowel hole 2d inner side ends of disk and the spring 3 between 4 blind hole of finger and end cap 8；The eccentricity
Adjusting apparatus include adjustment driving, adjustment be oriented to and adjustment fastening three parts, it is described adjustment drive part include adjusting screw 9,
Adjusting screw hole 7e on fixed block 11 and limited block 12 and chamfered edge disk 7b；The fixed block 11 is rectangular configuration, and inside is equipped with
It with 7 same rectangular boss of reel, is fixed on the left of 2 outer end face of disk by screw, left end and chamfered edge disk 7b adjusting screw holes 7e
The through-hole with counterbore is equipped at coaxial line；The through-hole of 9 self-retaining block of adjusting screw, 11 left end is inserted into and screws in chamfered edge disk 7b
In the adjusting screw hole 7e of left end, a rectangle annular groove 9a is equipped at 9 nearly left end of adjusting screw；The limited block 12 is rectangular sheet
Structure is fixed by screws in the right end of fixed block 11, and thickness is less than the width of 9 annular groove 9a of adjusting screw, and inside edge is set
There is semicircle orifice, semicircle orifice is caught in the annular groove 9a of adjusting screw 9；The adjustment targeting part passes through the rectangular channel 2b on disk 2
It is slidably matched with the rectangular boss 7d on reel 7 and realizes guiding；The adjustment fastening part is tight including four on chamfered edge disk 7b
Gu screw 6 and four T-nuts 5 in 2 two T-slot 2c of disk, make reel 7 be fixed with disk 2 by trip bolt 6
Or it unclamps.
The eccentric distance e of the eccentric shaft 7a can be according to the width A of chamfered edge disk 7b, 11 right side of fixed block away from 2 center of disk
Distance B and 11 right side of fixed block are obtained with chamfered edge disk 7b left side distance x, that is, are had：E=A/2+x-B.
In addition, the rectangular channel 2a on disk 2 can be set to non-through or perforation two ways.
In addition, the auxiliary spiral shell of an additional threaded bores and screw-in is also respectively provided at chamfered edge disk 7b left side sections and central symmetry
Bolt 10.
The present invention a kind of eccentric shaft away from have grade and the method for adjustment of stepless adjusting apparatus, include grade adjustment and
Two methods of stepless changing：
(1) eccentricity has grade adjustment：Four trip bolts 6 on reel 7 are first unscrewed, are then inserted into using rod-shaped accessory
In eccentric pin hole 7c, elastic 4 head of finger is extruded into eccentric pin hole 7c, while move using allen wrench turning adjusting screw 9
Moving axis disk 7, when one in disk 2 up and down in two fingers 4 is directed at some eccentric pin hole 7c i.e. one of bias ei, at this moment finger
This eccentric pin hole 7c is inserted on 4 head under the action of spring 3, when the eccentric pin hole 7c of insertion is not required eccentricity, then
It is extruded and continues to move to reel 7 until finger 4 is inserted into after required eccentric pin hole 7c and screws four trip bolts 6 and realize
Eccentricity has grade adjustment；
(2) stepless changing of eccentricity：Required eccentricity is determined using measuring method or by displacement sensor, wherein
Measuring method is：Using eccentricity formula e=A/2+x-B, required random eccentric is obtained away from e, then has x=B+e-A/2, wherein
A is the width of reel 7, and B is distance of 11 right side of fixed block to disc centre, and A and B are changeless size, and x is with inclined
Size of the heart away from adjustment variation just corresponds to required eccentric distance e, the stepless changing of eccentricity and the side for having grade to adjust when measuring x
Method is identical, and finger 4 is not inserted into the eccentric pin hole 7c to there is grade to set when differing only in stepless changing.
Rod-shaped accessory described above is that can be inserted into eccentric pin hole 7c screwdrivers or other rod tools.
Compared with prior art, major advantage and advantageous effect are the present invention：
Reel is driven to move linearly along disk rectangular channel by adjusting screw, can both realize that eccentricity had grade accurately to adjust,
Eccentricity stepless changing can be realized in adjusting range again.Eccentricity has the positioning pin that grade adjustment passes through disk setting symmetrical above and below
Some eccentric pin hole, which is inserted into, on an alignment reel in two spring catch in hole realizes there is a grade eccentricity positioning, works as spring catch
As eccentricity stepless changing during insertion non-aligned with eccentric pin hole.It is slided by the rectangular boss of rectangular channel on disk and reel
The symmetrically arranged T-slot in rectangular channel both sides is fastenedly connected with reel by T-nut and trip bolt in cooperation guiding and disk
Or unclamp adjustment.There is grade positioning that can avoid plug positioning pin operation using the eccentricity of spring catch, human factor is avoided to influence, is grasped
Make simple and fast, eccentricity Adjustment precision ensures that precision stability is good by the positional precision of each dowel hole.Eccentricity stepless-adjustment
Also it can ensure eccentric Adjustment precision by measurer or displacement sensor when whole.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is the left side axonometric drawing of Fig. 1；
Fig. 5 is the right side axonometric drawing of Fig. 1；
Fig. 6 is the axonometric drawing of disk.
In figure:1st, drive shaft, 1a, short axle neck, 1b, the shaft shoulder, 2, disk, 2a, centre bore, 2b, rectangular channel, 2c, T-slot,
2d, dowel hole, 2e, countersunk screw holes, 3, spring, 4, finger, 5, T-nut, 6, trip bolt, 7, reel, 7a, eccentric shaft,
7b, chamfered edge disk, 7c, eccentric pin hole, 7d, rectangular boss, 7e, adjusting screw hole, 8, end cap, 9, adjusting screw, 9a, annular groove, 10, auxiliary
Help bolt, 11, fixed block, 12, limited block, 13, attachment screw.
Specific embodiment
It is specific embodiment, and combine to be used for vehicle shock absorber test-bed eccentric shaft exciting device below by the present invention
Attached drawing, the technical solutions of the present invention will be further described.
The meaning of heretofore described " inside and outside " referred to relative to device itself, the side of directing apparatus interior
To be interior, on the contrary is specific restriction outer rather than to the device of the invention mechanism.
The meaning of heretofore described " upper and lower " refers to:" on " refer to it is upper, with " under " relatively, i.e.,
Top；" under " refer to position in lower, with " on " relatively, i.e. lower floor.Rather than the specific restriction to the device of the invention mechanism.
When the meaning of heretofore described " left and right " refers to reader's face attached drawing, the left side of reader is a left side,
The right of reader is the right rather than specific restriction to the device of the invention mechanism.
The meaning of heretofore described " connection " can be between component to be directly connected to can also pass through between component
Other components are indirectly connected with.
Embodiment:
As shown in Figure 1, it is the front view of the present invention, Fig. 2 is the A-A sectional views of Fig. 1, and Fig. 3 is the B-B sectional views of Fig. 1.
The device includes drive shaft 1, disk 2, reel 7 (eccentric shaft 7a) and eccentricity adjustment component.The outer end short axle neck 1a of drive shaft 1
Coordinate with the centre bore 2a of disk 2 and install, four of four screw holes of the shaft shoulder 1b end faces circle distribution of short axle neck 1a and disk 2
Countersunk screw holes 2e is aligned and passes through attachment screw 13 and is fastenedly connected.2 end face outside of disk radially crosses centre bore 2a central axis
Equipped with rectangular channel 2b, the present embodiment rectangular channel 2b is non-fully penetrates through form, this is because the present embodiment bias adjusting range is sufficient
Enough, rectangular channel 2b as needed also can be used full communicating structure and further increase eccentricity adjusting range.
Eccentricity adjustment component includes adjustment driving, adjustment is oriented to and adjustment fastening three parts, and adjustment driving is by fixed block
11st, the adjusting screw hole 7e on adjusting screw 9 and limited block 12 and chamfered edge disk 7b is formed, and fixed block 11 is rectangular configuration, inside
Equipped with 7 same rectangular boss of reel, (Fig. 1) on the left of 2 end face of disk is fixed on by screw, left end is equipped with band counterbore
Through-hole, be aligned after installation with chamfered edge disk 7b adjusting screw holes 7e, adjusting screw 9 is restructured using soket head cap screw, close to left end
A rectangle annular groove 9a is processed, 11 left end countersunk screw holes of self-retaining block pass through and screw in the adjusting screw hole 7e of chamfered edge disk 7b left ends
Interior, 9 limited block 12 of adjusting screw is rectangle chip architecture, and inside edge is equipped with semicircle orifice, fixation is fixed on by two screws
The right end of block 11, position are just aligned with the annular groove 9a in adjusting screw 9, and thickness is slightly less than the width of annular groove 9a, semicircle
Hole is caught in the axial limiting in 9a, playing adjusting screw in the annular groove of adjusting screw 9.It is by disk 2 that adjustment, which is oriented to,
The rectangular boss 7d at rectangular channel 2b and 7 rear portion of reel is slidably matched mobile guide and the limiting realized when being adjusted to reel 7.Adjustment
Fastening is four T-nuts 5 by being set in two T-slot 2c of Parallel Symmetric distribution above and below rectangular channel 2b, passes through four
Reel 7 and disk 2 are adjacent to fixation by a trip bolt 6, are unscrewed four trip bolts 6, can be made by turning adjusting screw 9
Reel 7 is moved along rectangular channel 2b.
The reel eccentric pin hole 7c of parallel position equipped with multiple and different eccentricities about 7, the present embodiment are three, top, under
Four, portion, the center of eccentric pin hole 7c are respectively overlapped with two dowel hole 2d horizontal axis of 2 distribution symmetrical above and below of disk, point
It Dui Ying not seven grades of eccentricities (ei)：E1, e2, e3, e4, e5, e6, e7, the corresponding eccentric stroke of the present embodiment are：10mm、
15mm, 20mm, 30mm, 40mm, 50mm, 60mm, as shown in Figure 1.When eccentricity need to be adjusted, four on reel 7 are suitably unscrewed
A trip bolt 6 (such as 1/2~1 circle), is then inserted into eccentric pin hole 7c using rod-shaped accessory (such as screwdriver), by elastic finger 4
Head extrusion eccentric pin hole (7c, while reel 7 is moved with allen wrench turning adjusting screw 9, when two up and down in disk 2
One in finger 4 (see Fig. 2) is directed at some eccentric pin hole 7c (one of eccentric ei), and at this moment the head of finger 4 is in the work of spring 3
With lower insertion this eccentric pin hole 7c, if the eccentric pin hole 7c being inserted into is not required eccentricity, is extruded and continued to move to
Reel 7 screws four trip bolts 6 after finger 4 is inserted into required eccentric pin hole 7c and completes the adjustment for having grade eccentricity.
If the eccentricity of required adjustment be not it is preset have a grade eccentricity, none can be inserted into eccentric pin hole 7c for two fingers 4, can adopt
Required eccentricity is determined with simple measuring method or by displacement sensor.The stepless eccentricity adjustment measurement side of the present embodiment
Method is：By Fig. 1 size A, B, x marked it is found that A is the width of reel 7, B is 11 right side of fixed block to disc centre
Distance, A and B are changeless sizes, and x is with the size of eccentricity adjustment variation, and eccentric distance e=A/2+x-B will obtain institute
The eccentric distance e needed, then have x=B+e-A/2.Therefore, required eccentric distance e is corresponded to as long as x is measured.In Fig. 1, eccentricity e6
=50mm, so, when the finger 4 in 2 dowel hole 2d of disk is directed at some eccentric pin hole of reel 7 7c insertion to there is grade inclined
The heart adjusts, and is then stepless eccentric adjustment when finger 4 is non-intrusive eccentric pin hole 7c states.
For reel 7 is made to keep stablizing when rotated, on the left of the chamfered edge disk 7b section with respectively set at central symmetry one it is auxiliary
Help screw hole and two auxiliary bolts 10, after eccentric adjusting is completed and is fastened, two auxiliary bolts are threaded to abut against fixed block
11 right end so that, can be by adjusting screw 9 and auxiliary bolt 10 along rectangular channel 2b axial forces when reel 7 is rotated with disk 2
Fixed block 11 is reached to bear.
The axonometric drawing that Fig. 4 and Fig. 5 is respectively seen at left and right sides of Fig. 1, the more position of visual representation contour structures and each section
Put relationship.
Fig. 6 is the axonometric drawing of disk 2, and 2 shape of disk can be stored similar to flywheel structure in 1 input speed of drive shaft
Inertia energy is provided in the fluctuation of load suffered by exciting process for eccentric shaft and is seamlessly transitted.Disk 2, which is integrated with to coordinate with drive shaft 1, pacifies
Centre bore 2a and four countersunk screw holes 2e needed for dress connect with reel 7, are oriented to required rectangular channel 2d, are provided with grade bias
Away from the dowel hole 2d needed for adjustment resilient key installation, required T-slot is connect by trip bolt 6 and T-nut with reel 7
The important features elements such as the installation interface of 2c and fixed block.Centre bore 2a is illustrated in figure, rectangular channel 2b, T-slot 2c, is determined
The structure type and spatial relation of position pin hole 2d and countersunk screw holes 2e.Rectangular channel 2b is by radially crossing center outside disk 2
For hole 2a centers a distance without penetrating through, two T-slot 2c of rectangular channel 2b both sides Parallel Symmetric setting are also non-through structure,
Withdrawing hole is equipped in T-slot 2c ends.Opposite centre bore 2a symmetric positions are respectively provided with a dowel hole on the outside of two T-slot 2c
For installing spring pin assemblies, spring pin assemblies include spring 3, finger 4 and end cap 8 by 2d, dowel hole 2d.Due to disk 2
Rectangular channel 2b and T-slot 2c has accounted for most of space around 2 centre bore 2a of disk, using T-slot 2c and rectangular channel 2b it
Between rest position can just arrange four countersunk screw holes 2e, attachment screw 13 will be driven by this four countersunk screw holes 2e
Axis 1 connect fixation with disk 2.Two symmetrical dowel hole 2d on disk 2 and several on reel 7 have a grade cam pin
Hole 7c uses Cutter Body Processing with Machining Center to ensure positional precision and dimensional accuracy.
The eccentric shaft that the present embodiment provides have grade and stepless changing be applicable to rotating eccentricity away from adjusting range it is larger should
With occasion, can as slider-crank mechanism, sine excitation mechanism driving or other need adjustable eccentric away from application scenario.
The foregoing is intended to be a preferred embodiment of the present invention.Certainly, the present invention can also have other a variety of implementations
Example, without deviating from the spirit and substance of the present invention, any one skilled in the art, when can according to this
Various corresponding equivalent changes and deformation are made in invention, should all belong to the protection domain of appended claims of the invention.
Claims (6)
1. a kind of eccentric shaft is away from having grade and stepless adjusting apparatus, including drive shaft (1), disk (2), reel (7) and partially
The heart is equipped with the circular hole (2a) of perforation and the drive away from having grade positioning device and eccentricity adjusting apparatus at disk (2) center
Moving axis (1) is connected, it is characterised in that：Disk (2) end face outside is equipped with the rectangular channel perpendicular to circular hole (2a) axis
(2b) is arranged with two T-slots (2c) parallel with rectangular channel (2b) in rectangular channel (2b) both sides, in two T-slots (2c)
Outside is simultaneously respectively provided with an identical dowel hole of diameter (2d) with the symmetrical place of rectangular channel (2b) central axis；The reel (7)
Eccentric shaft (7a) is equipped in outer side end face along axis, the symmetrical parallel trimming in the left and right sides of reel (7) integrated disc portions forms chamfered edge
Disk (7b), reel (7) inner side end center is equipped with rectangular boss (7d) in the horizontal direction, in chamfered edge disk (7b) inner side end away from square
The step-like eccentric pin hole of several size diameters (7c) is respectively equipped on the equidistant symmetrical line of shape boss (7d) center line,
The adjusting screw hole (7e) of perforation is equipped in chamfered edge disk (7b) left cut face center vertically passing eccentric shaft (7a) axis；The eccentricity has
Grade positioning device includes what is set on two sets of spring catch being respectively installed in disk (2) dowel hole (2d) and chamfered edge disk (7b)
Several eccentric pin holes (7c), spring catch includes diameter ladder increase from outside to inside and big end is equipped with the finger (4) of blind hole, set on circle
The end cap (8) and the spring (3) between finger (4) blind hole and end cap (8) of disk (2) dowel hole (2d) inner side end；It is described
Eccentricity adjusting apparatus includes adjustment driving, adjustment is oriented to and adjustment fastening three parts, and the adjustment drive part includes adjusting
Adjusting screw hole (7e) on screw (9), fixed block (11) and limited block (12) and chamfered edge disk (7b)；The fixed block (11) is
Rectangular configuration, inside be equipped with reel (7) same rectangular boss, be fixed on the left of disk (2) outer end face by screw, left end
With being equipped with the through-hole with counterbore at chamfered edge disk (7b) adjusting screw hole (7e) coaxial line；Adjusting screw (9) the self-retaining block (11)
The through-hole of left end is inserted into and screws in the adjusting screw hole (7e) of chamfered edge disk (7b) left end, and one is equipped at the nearly left end of adjusting screw (9)
Rectangle annular groove (9a)；The limited block (12) is rectangle chip architecture, is fixed by screws in the right end of fixed block (11), thick
For degree less than the width of adjusting screw (9) annular groove (9a), inside edge is caught in the ring of adjusting screw (9) equipped with semicircle orifice, semicircle orifice
In slot (9a)；The adjustment targeting part is sliding by the rectangular boss (7d) on the rectangular channel (2b) on disk (2) and reel (7)
Dynamic cooperation, which is realized, to be oriented to；The adjustment fastening part is including four trip bolts (6) on chamfered edge disk (7b) and positioned at disk (2)
Four T-nuts (5) in two T-slots (2c) make reel (7) fix or unclamp with disk (2) by trip bolt (6).
2. according to claim 1 a kind of eccentric shaft away from have grade and stepless adjusting apparatus, it is characterised in that：It is described inclined
The eccentric distance e of mandrel (7a) is according to the width A of chamfered edge disk (7b), fixed block (11) right side away from disk (2) centre distance B and solid
Determine block (11) right side to obtain with chamfered edge disk (7b) left side distance x, i.e.,：E=A/2+x-B.
3. according to claim 1 a kind of eccentric shaft away from have grade and stepless adjusting apparatus, it is characterised in that：The circle
Rectangular channel (2a) on disk (2) is arranged to one kind in non-through or perforation two ways.
4. according to claim 1 a kind of eccentric shaft away from have grade and stepless adjusting apparatus, it is characterised in that：Described
The auxiliary bolt (10) of an additional threaded bores and screw-in is also respectively provided at chamfered edge disk (7b) left side section and central symmetry.
5. a kind of eccentric shaft as described in claim any one of 1-4 away from have grade and the method for adjustment of stepless adjusting apparatus,
It is characterized by comprising have two methods of grade adjustment and stepless changing：
(1) eccentricity has grade adjustment：Four trip bolts (6) on reel (7) are first unscrewed, are then inserted into using rod-shaped accessory
In eccentric pin hole (7c), elastic finger (4) head is extruded into eccentric pin hole (7c), while adjust spiral shell using allen wrench rotation
It follows closely (9) and moves reel (7), when one in two fingers (4) upper and lower in disk (2) is directed at some eccentric pin hole (7c) i.e. bias
One of ei, at this moment the head of finger (4) this eccentric pin hole (7c) is inserted under the action of spring (3), when the eccentric pin hole of insertion
(7c) is not required eccentricity, then is extruded and continue to move to reel (7) until finger (4) is inserted into required eccentric pin hole
Screw that four trip bolts (6) realize eccentricity after (7c) has grade adjustment；
(2) stepless changing of eccentricity：Required eccentricity is determined using measuring method or by displacement sensor, wherein measuring
Method is：Using eccentricity formula e=A/2+x-B, required random eccentric is obtained away from e, then has x=B+e-A/2, the wherein A to be
The width of reel (7), B are distance of fixed block (11) right side to disc centre, and A and B are changeless size, x be with
The size of eccentricity adjustment variation just corresponds to required eccentric distance e when measuring x, what the stepless changing of eccentricity was adjusted with there is grade
Method is identical, and finger (4) is not inserted into the eccentric pin hole (7c) to there is grade to set when differing only in stepless changing.
6. according to claim 5 a kind of eccentric shaft away from have grade and the method for adjustment of stepless adjusting apparatus, feature
It is, the rod-shaped accessory is that can be inserted into eccentric pin hole (7c) screwdriver or rod tool.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610515763.9A CN106000851B (en) | 2016-07-01 | 2016-07-01 | A kind of eccentric shaft is away from having grade and stepless adjusting apparatus and method of adjustment |
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|---|---|---|---|
| CN201610515763.9A CN106000851B (en) | 2016-07-01 | 2016-07-01 | A kind of eccentric shaft is away from having grade and stepless adjusting apparatus and method of adjustment |
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| CN106000851A CN106000851A (en) | 2016-10-12 |
| CN106000851B true CN106000851B (en) | 2018-07-06 |
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| GB1024273A (en) * | 1961-11-25 | 1966-03-30 | Zahnradfabrik Friedrichshafen | Improvements in or relating to devices for adjusting the centre line or axis of an eccentric bore or disc |
| CN1861274A (en) * | 2006-06-12 | 2006-11-15 | 江苏大学 | Composite activator used for vibration-cutting |
| CN101049675A (en) * | 2007-05-11 | 2007-10-10 | 常州宝菱重工机械有限公司 | Eccentric shaft with adjustable eccentricity |
| CN101585156A (en) * | 2009-06-26 | 2009-11-25 | 上海大学 | Eccentricity adjusting method and device for vertical numerically controlled grinder to process eccentric orifice |
| CN102500541B (en) * | 2011-10-10 | 2013-11-06 | 江苏科技大学 | Step adjusting device of linear eccentricity of eccentric shaft |
| DE102013021494A1 (en) * | 2012-12-28 | 2014-07-03 | Bomag Gmbh | Vibration exciter for mobile vibrating plate for compacting soil, adjusts angular positions between eccentric weights and associated shafts from one another so that relative phase position of two eccentric weights is adjusted |
| CN104043996A (en) * | 2014-06-04 | 2014-09-17 | 上海大隆机器厂有限公司 | Crankshaft eccentricity tool |
| CN204142557U (en) * | 2014-11-01 | 2015-02-04 | 长春师范大学 | A kind of heavily loaded eccentric throw continuous setup mechanism |
| CN204584759U (en) * | 2015-04-24 | 2015-08-26 | 西安北方光电科技防务有限公司 | A kind of for the automobile-used adjustable auxiliary machining device of eccentric part |
-
2016
- 2016-07-01 CN CN201610515763.9A patent/CN106000851B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1024273A (en) * | 1961-11-25 | 1966-03-30 | Zahnradfabrik Friedrichshafen | Improvements in or relating to devices for adjusting the centre line or axis of an eccentric bore or disc |
| CN1861274A (en) * | 2006-06-12 | 2006-11-15 | 江苏大学 | Composite activator used for vibration-cutting |
| CN101049675A (en) * | 2007-05-11 | 2007-10-10 | 常州宝菱重工机械有限公司 | Eccentric shaft with adjustable eccentricity |
| CN101585156A (en) * | 2009-06-26 | 2009-11-25 | 上海大学 | Eccentricity adjusting method and device for vertical numerically controlled grinder to process eccentric orifice |
| CN102500541B (en) * | 2011-10-10 | 2013-11-06 | 江苏科技大学 | Step adjusting device of linear eccentricity of eccentric shaft |
| DE102013021494A1 (en) * | 2012-12-28 | 2014-07-03 | Bomag Gmbh | Vibration exciter for mobile vibrating plate for compacting soil, adjusts angular positions between eccentric weights and associated shafts from one another so that relative phase position of two eccentric weights is adjusted |
| CN104043996A (en) * | 2014-06-04 | 2014-09-17 | 上海大隆机器厂有限公司 | Crankshaft eccentricity tool |
| CN204142557U (en) * | 2014-11-01 | 2015-02-04 | 长春师范大学 | A kind of heavily loaded eccentric throw continuous setup mechanism |
| CN204584759U (en) * | 2015-04-24 | 2015-08-26 | 西安北方光电科技防务有限公司 | A kind of for the automobile-used adjustable auxiliary machining device of eccentric part |
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| Publication number | Publication date |
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| CN106000851A (en) | 2016-10-12 |
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