CN106000851A - Step and stepless regulation device and regulation method for eccentricity of eccentric shaft - Google Patents
Step and stepless regulation device and regulation method for eccentricity of eccentric shaft Download PDFInfo
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- CN106000851A CN106000851A CN201610515763.9A CN201610515763A CN106000851A CN 106000851 A CN106000851 A CN 106000851A CN 201610515763 A CN201610515763 A CN 201610515763A CN 106000851 A CN106000851 A CN 106000851A
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- eccentric
- disk
- reel
- shaft
- stepless
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a step and stepless regulation device for eccentricity of an eccentric shaft. The step and stepless regulation device comprises a driving shaft, a round disc, a shaft disc, an eccentricity step positioning device and an eccentricity regulation device. Step eccentricity positioning is realized in the mode that one of two spring pins in positioning pin holes symmetrically formed in the round disc up and down is aligned with and inserted into a certain eccentric pin hole in the shat disc, and stepless eccentricity regulation is achieved when the spring pin is inserted into the eccentric pin hole in a non-aligned mode. Guiding is realized through sliding matching of a rectangular groove in the round disc and a rectangular boss on the shaft disc, and regulation is realized through fastening connection or disconnection of two T-shaped grooves in the round disc and the shaft disc through T-shaped nuts and fastening screws. The operation of inserting and pulling out a positioning pin is avoided through step eccentricity positioning with the spring pins, operation is simple and rapid, the regulation accuracy of eccentricity is guaranteed through the position and size precision of each positioning pin hole, the repeatability is good, and the regulation range is wide. The step and stepless regulation device for eccentricity of the eccentric shaft can be used for driving of a slider-crank mechanism and a sine excitation mechanism or other application occasions needing adjustable eccentricity.
Description
Technical field
The present invention relates to a kind of eccentric throw adjusting apparatus, especially a kind of eccentric shaft away from mechanical type have level with
Stepless adjusting apparatus.
Background technology
In sine excitation device, sinusoidal motion can use hydraulic servo oil cylinder or frequency conversion motor to drive eccentric shaft
Realize.When making vibrator with hydraulic servo oil cylinder, in the range of oil cylinder stroke can being realized by displacement transducer
The ability of stepless changing amplitude.And when using eccentric shaft to drive, eccentric throw adjusts relatively cumbersome, generally use
Leading screw and nut mechanism arrangement guide rail and trip bolt rotate against axle center by eccentric shaft and move the eccentric nothing of realization
Level adjusts, but Adjustment precision and repeatable accuracy are relatively low.Patent of invention be " vertical numerically controlled grinder to process eccentric orifice
Eccentricity adjusting method and device " (application number: 200910053872.3) proposed and a kind of watched by digitized
Take the method that control realization difference eccentric throw accurately adjusts, it is adaptable to relatively large eccentricity away from adjustment.But need to watch
Taking motor to drive, mechanism is complicated, and relatively costly, application is restricted." a kind of eccentric shaft is inclined for patent of invention
The heart is away from there being a grade adjusting apparatus " (ZL201110307143.3), the eccentric throw needed for being realized by rotating eccentricity dish is adjusted
Whole, utilize spring that finger is pushed pin-and-hole, alignment pin and screw need not be dismantled, it is to avoid anthropic factor affects,
Simple and quick and have grade eccentric throw precision by processing guarantee, concordance is good, but shortcoming is off away from can not
Arbitrarily adjust, when required eccentric throw cannot meet requirement from structure presupposed off-center when different.Therefore, have
Necessary design one can have to preset to commonly use simultaneously has grade eccentric throw and stepless eccentric throw to adjust function, meets
Both there is in adjustable extent have level to adjust accurate, convenient, the adjustment demand of stepless eccentric throw can have been taken into account again.
Summary of the invention
The invention aims to overcome the defect existing for above-mentioned prior art, it is provided that one can be quick
Accurately realizing eccentric throw has level to adjust the device that can meet again eccentric throw stepless changing.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of eccentric shaft away from having level and stepless adjusting apparatus, including drive shaft 1, disk 2, reel 7 with
And eccentric throw have grade positioner and eccentric throw adjusting apparatus, disk 2 center be provided with through circular hole 2a with
Drive shaft 1 is connected, it is characterised in that: described disk 2 end face outside is provided with and is perpendicular to circular hole 2a axis
Rectangular channel 2b, be symmetrically arranged on two with two T-slot 2c parallel with rectangular channel 2b at rectangular channel 2b,
Article two, it is respectively provided with an identical location of diameter outside T-slot 2c and with at rectangular channel 2b central axis symmetry
Pin-and-hole 2d；Described reel 7 is provided with eccentric shaft 7a, the left and right of reel 7 integrated disc portions along axis in end face outside
The parallel trimming of lateral symmetry forms chamfered edge dish 7b, and it is convex that reel 7 inner side end is provided with rectangle centrally along horizontal direction
Platform 7d, in chamfered edge dish 7b inner side end difference on the symmetrical line that rectangular boss 7d distance between center line is equal
It is provided with some size diameter step-like eccentric pin hole 7c, at center, chamfered edge dish 7b left cut face vertical eccentric axle
7a axis is provided with through regulation screw 7e；Described eccentric throw has a grade positioner to include, and two sets are respectively installed on circle
The some eccentric pin hole 7c arranged on spring catch in dish 2 dowel hole 2d and chamfered edge dish 7b, spring catch
Increase including diameter ladder from outside to inside and big end is provided with the finger 4 of blind hole, is located at disk 2 dowel hole 2d
The end cap 8 of inner side end and between finger 4 blind hole and end cap 8 spring 3；Described eccentric throw adjusting apparatus
Including adjust drive, adjust guide and adjust fastening three parts, described adjustment drive part include regulate screw 9,
Regulation screw 7e on fixed block 11 and positive stop 12 and chamfered edge dish 7b；Described fixed block 11 is rectangle
Structure, inner side is provided with the rectangular boss as reel 7, is fixed on the left of disk 2 outer face by screw,
Left end and chamfered edge dish 7b regulate the through hole being provided with band counterbore at screw 7e coaxial line；Described regulation screw 9 is certainly
The through hole of fixed block 11 left end inserts and screws in the regulation screw 7e of chamfered edge dish 7b left end, regulates screw 9
It is provided with a rectangle annular groove 9a at nearly left end；Described positive stop 12 is rectangular sheet structure, is fixed by screws in
The right-hand member of fixed block 11, its thickness width less than regulation screw 9 annular groove 9a, inside edge is provided with semicircle orifice,
Semicircle orifice snaps in the annular groove 9a of regulation screw 9；Described adjustment targeting part is by the rectangular channel on disk 2
2b and rectangular boss 7d on reel 7 are slidably matched and realize guiding；Described adjustment fastening part includes chamfered edge dish
Four trip bolts 6 on 7b and four T-nut 5 being positioned at 2 two T-slot 2c of disk, pass through
Trip bolt 6 makes reel 7 fixing with disk 2 or unclamps.
The eccentric distance e of described eccentric shaft 7a can according to the width A of chamfered edge dish 7b, fixed block 11 right side away from
Disk 2 centre distance B and fixed block 11 right side obtain with chamfered edge dish 7b left side distance x, i.e. have:
E=A/2+x-B.
Additionally, the rectangular channel 2a on disk 2 is arranged to the one in non-penetrating or through two ways.
Additionally, be also respectively provided with an additional threaded bores and screw-in on the left of chamfered edge dish 7b at tangent plane and centrosymmetry
Auxiliary bolt 10.
A kind of eccentric shaft of the present invention away from the method for adjustment having level and stepless adjusting apparatus, include level
Adjust and two kinds of methods of stepless changing:
(1) level that has of eccentric throw adjusts: first unscrews four trip bolts 6 on dish axle 7, then utilizes bar
Shape accessory inserts in eccentric pin hole 7c, elasticity finger 4 head extrudes dowel hole 7c, uses interior six simultaneously
Angle spanner turning adjusting screw 9 moves reel 7, when in two fingers 4 upper and lower in disk 2 is directed at certain
The most eccentric e of individual eccentric pin hole 7ciOne of, at this moment the head of finger 4 inserts this bias under the effect of spring 3
Pin-and-hole 7c, when the eccentric pin hole 7c inserted is not required eccentric throw, is then extruded and is continued to move to reel 7
Until finger 4 screw after inserting required eccentric pin hole 7c that four trip bolts 6 i.e. realize eccentric throw have level
Adjust；
(2) stepless changing of eccentric throw: use measuring method or determine required bias by displacement transducer
Away from, wherein measuring method is: use eccentric throw formula e=A/2+x-B, it is thus achieved that required random eccentric away from e,
Then having x=B+e-A/2, wherein A is the width of reel 7, and B is that fixing fast 11 right sides are to disc centre
Distance, A and B is changeless size, and x is the size adjusting change with eccentric throw, and when recording, x is the most right
Eccentric distance e needed for should, it is achieved the stepless changing of eccentric throw.
Shaft-like accessory described above is to can be inserted into eccentric pin hole 7c screwdriver or other rod tool.
The present invention compared with prior art, its major advantage and providing the benefit that:
Being moved linearly along disk rectangular channel by regulation screw-driven reel, both can realize eccentric throw has level accurate
Adjust, eccentric throw stepless changing can be realized again in adjusting range.It is upper and lower by disk that eccentric throw has level to adjust
On an alignment reel in two spring catch in symmetrically arranged dowel hole, certain eccentric pin hole inserts real
Existing level eccentric throw positions, and is eccentric throw stepless changing when the non-aligned insertion of spring catch and eccentric pin hole.
By the rectangular boss of rectangular channel on disk with reel be slidably matched guiding and disk on rectangular channel lateral symmetry set
The T-slot put and reel are fastenedly connected by T-nut and trip bolt or unclamp adjustment.Use spring catch
Eccentric throw have level location can avoid plug alignment pin operation, it is to avoid anthropic factor affect, simple and quick,
Eccentric throw Adjustment precision is ensured by the positional precision of each dowel hole, and precision stability is good.Eccentric throw stepless-adjustment
Also eccentric Adjustment precision can be ensured by measurer or displacement transducer time whole.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the B-B sectional view of Fig. 1；
Fig. 4 is the left-hand axis mapping of Fig. 1；
Fig. 5 is the right-hand axis mapping of Fig. 1；
Fig. 6 is the axonometric drawing of disk.
In figure: 1, drive shaft, 1a, short axle journal, 1b, the shaft shoulder, 2, disk, 2a, centre bore, 2b, square
Shape groove, 2c, T-slot, 2d, dowel hole, 2e, countersunk screw holes, 3, spring, 4, finger, 5, T
Type nut, 6, trip bolt, 7, reel, 7a, eccentric shaft, 7b, chamfered edge dish, 7c, eccentric pin hole, 7d,
Rectangular boss, 7e, regulation screw, 8, end cap, 9, regulation screw, 9a, annular groove, 10, auxiliary bolt,
11, fixed block, 12, positive stop, 13, attachment screw.
Detailed description of the invention
Being used for vehicle shock absorber test-bed eccentric shaft exciting device below by the present invention is specific embodiment,
And combine accompanying drawing, technical scheme is described in further detail.
The implication of heretofore described " inside and outside " refers to relative to device itself, indicator device
Internal direction is interior, otherwise is outward, rather than the specific restriction to assembly of the invention mechanism.
The implication of heretofore described " upper and lower " refers to: on " " refer to upper, with D score
Relatively, i.e. top；D score refer to position in lower, with " on " relative, i.e. lower floor.Rather than to this
The specific restriction of bright equipment mechanism.
When the implication of heretofore described " left and right " refers to reader just to accompanying drawing, the left side of reader
While be a left side, the right of reader is the right side, rather than the specific restriction to assembly of the invention mechanism.
The implication of heretofore described " connection " can be being directly connected between parts can also be parts
Between by being indirectly connected with of other parts
Embodiment:
As it is shown in figure 1, be the front view of the present invention, Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is Fig. 1
B-B sectional view.This device includes that drive shaft 1, disk 2, reel 7 (eccentric shaft 7a) and eccentric throw are adjusted
Whole assembly.Outer end short axle journal 1a and the centre bore 2a of disk 2 of drive shaft 1 coordinates installation, short axle journal 1a
Four screws of shaft shoulder 1b end face circle distribution be directed at four countersunk screw holes 2e with disk 2 and pass through
Attachment screw 13 is fastenedly connected.Disk 2 end face outside is radially crossed centre bore 2a central axis and is provided with rectangle
Groove 2b, the present embodiment rectangular channel 2b are the most through form, and this is due to the present embodiment bias adjusting range
Enough, rectangular channel 2b also can use full communicating structure to increase eccentric throw adjusting range further as required.
Eccentric throw adjust assembly include adjust drive, adjust guide and adjust fastening three parts, adjust drive by
Fixed block 11, the regulation screw 7e regulated on screw 9 and positive stop 12 and chamfered edge dish 7b are constituted, fixing
Block 11 is rectangular configuration, and inner side is provided with the rectangular boss as reel 7, is fixed on disk 2 by screw
On the left of end face (Fig. 1), its left end is provided with the through hole of band counterbore, regulates screw 7e with chamfered edge dish 7b after installation
Alignment, regulation screw 9 uses soket head cap screw to change a social system, and is processing a rectangle annular groove 9a near left end, from
Fixed block 11 left end countersunk screw holes passes and screws in the regulation screw 7e of chamfered edge dish 7b left end, regulates screw
9 positive stops 12 are rectangular sheet structure, and inside edge is provided with semicircle orifice, are fixed on fixing by two screws
The right-hand member of block 11, its position just with regulation screw 9 on annular groove 9a align, its thickness is slightly less than annular groove
The width of 9a, semicircle orifice snaps in the annular groove of regulation screw 9 in 9a, acts the axial limiting effect regulating screw.
Adjust that to guide be to be slidably matched reality by rectangular boss 7d of the rectangular channel 2b on disk 2 Yu reel 7 rear portion
Mobile guide when now reel 7 being adjusted and spacing.Adjusting fastening is by upper and lower parallel right at rectangular channel 2b
Four T-nut 5 arranged in claiming two T-slot 2c of distribution, by four trip bolts 6 by reel
7 are adjacent to fix with disk 2, unscrew four trip bolts 6, can make reel 7 by turning adjusting screw 9
Move along rectangular channel 2b.
Dish axle about 7 parallel position is provided with the eccentric pin hole 7c of multiple different eccentric throw, and the present embodiment is top
Three, four, bottom, the center of eccentric pin hole 7c each with two alignment pins of disk 2 distribution symmetrical above and below
Hole 2d horizontal axis overlaps, the most corresponding seven grades of eccentric throw (ei): e1、e2、e3、e4、e5、e6、e7,
The eccentric stroke that the present embodiment is corresponding respectively is: 10mm, 15mm, 20mm, 30mm, 40mm, 50mm,
60mm, as shown in Figure 1.When eccentric throw need to be adjusted, suitably unscrew four trip bolts 6 on dish axle 7
(such as 1/2～1 circle), then utilizes shaft-like accessory (such as screwdriver) to insert in eccentric pin hole 7c, by elasticity finger
4 heads extrude dowel hole 7c, move reel 7 with inner hexagon spanner turning adjusting screw 9 simultaneously, work as disk
In upper and lower two fingers 4 (see Fig. 2) one alignment certain eccentric pin hole 7c (eccentric e in 2iOne of),
At this moment the head of finger 4 inserts this eccentric pin hole 7c under the effect of spring 3, if the eccentric pin hole inserted
7c is not required eccentric throw, then extruded and continue to move to reel 7 until finger 4 inserts required bias
Screw four trip bolts 6 after pin-and-hole 7c and i.e. complete the adjustment of grade eccentric throw.If the eccentric throw of required adjustment
The default grade eccentric throw that has, then two fingers 4 none can insert eccentric pin hole 7c, can use simple
Measuring method or determine required eccentric throw by displacement transducer.The stepless eccentric throw of the present embodiment adjusts to be surveyed
Metering method is: size A that marked from Fig. 1, B, x, A is the width of reel 7, and B is fixing
Fast 11 right sides are to the distance of disc centre, A and B is changeless size, and x is to adjust with eccentric throw
The size of change, eccentric distance e=A/2+x-B, required eccentric distance e to be obtained, then have x=B+e-A/2.Cause
This, as long as recording x with regard to the eccentric distance e needed for correspondence.In Fig. 1, eccentric throw is e6=50mm, so, when
Finger 4 in disk 2 dowel hole 2d is directed at reel 7 certain eccentric pin hole 7c when inserting as there being level inclined
The heart adjusts, when finger 4 is that non-intrusive eccentric pin hole 7c state is then for stepless eccentric adjustment.
For making reel 7 keep stable when rotated, on the left of chamfered edge dish 7b, tangent plane is respectively arranged at centrosymmetry
One auxiliary screw and two auxiliary bolts 10, after eccentric adjusting completes and fastens, by two auxiliary bolts
It is threaded to lean the right-hand member of fixed block 11 so that when reel 7 rotates with disk 2, along rectangular channel 2b axle
Fixed block 11 can be reached and born by regulation screw 9 and auxiliary bolt 10 to power.
Fig. 4 and Fig. 5 is respectively the axonometric drawing in terms of Fig. 1 left and right sides, and more visual representation contour structures is with each
The position relationship of part.
Fig. 6 is the axonometric drawing of disk 2, and disk 2 profile is similar to flywheel structure, and it can input in drive shaft 1
Store inertia energy during rotating speed, seamlessly transit in fluctuation of load offer suffered by exciting process for eccentric shaft 7.Disk 2
It is integrated with and coordinates the centre bore 2a needed for installing and four countersunk screw holes 2e with drive shaft 1, be connected with reel 7,
Rectangular channel 2d needed for guiding, it is provided that have grade eccentric throw to adjust the dowel hole 2d needed for resilient key is installed, with
Reel 7 is by T-slot 2c needed for trip bolt 6 and T-nut connection, and the installation of fixed block connects
The important feature key elements such as mouth.Figure illustrates centre bore 2a, rectangular channel 2b, T-slot 2c, dowel hole 2d
Version and spatial relation with countersunk screw holes 2e.Rectangular channel 2b is by the outside radially mistake of disk 2
Centre bore 2a center one segment distance and the most through, rectangular channel 2b both sides Parallel Symmetric arrange two T-slot
2c is also non-through structure, is provided with withdrawing hole at T-slot 2c end.Outside two T-slot 2c relatively in
Central hole 2a symmetric position is respectively provided with a dowel hole 2d, and dowel hole 2d is used for installing spring catch assembly,
Spring catch assembly includes spring 3, finger 4 and end cap 8.Rectangular channel 2b and T-slot 2c due to disk 2
Accounted for the most of space around disk 2 centre bore 2a, utilizes between T-slot 2c and rectangular channel 2b
Rest position just can arrange four countersunk screw holes 2e, and attachment screw 13 is by these four countersunk screw holes 2e
Drive shaft 1 is connected fixing with disk 2.Two symmetrical dowel hole 2d on disk 2 and reel 7
On some have grade eccentric pin hole 7c to use Cutter Body Processing with Machining Center to ensure positional precision and dimensional accuracy.
It is bigger away from adjusting range that the eccentric shaft that the present embodiment is given has level and stepless changing to be applicable to rotating eccentricity
Application scenario, can as slider-crank mechanism, the driving of sine excitation mechanism or other need adjustable eccentric
Away from application scenario.
The above, the only present invention preferably detailed description of the invention.Certainly, the present invention also can have other many
Plant embodiment, in the case of without departing substantially from present invention spirit and essence thereof, any skill being familiar with the art
Art personnel, change and deformation when making various corresponding equivalence according to the present invention, should belong to institute of the present invention
Attached scope of the claims.
Claims (6)
1. eccentric shaft is away from having level and a stepless adjusting apparatus, including drive shaft (1), disk (2),
Reel (7) and eccentric throw have grade positioner and eccentric throw adjusting apparatus, described disk (2) center
It is provided with through circular hole (2a) to be connected with described drive shaft (1), it is characterised in that: described disk (2)
End face outside is provided with the rectangular channel (2b) being perpendicular to circular hole (2a) axis, in rectangular channel (2b) lateral symmetry
It is provided with two T-slot (2c) parallel with rectangular channel (2b), at two T-slot (2c) outsides and square
The identical dowel hole of a diameter (2d) it is respectively provided with at shape groove (2b) central axis symmetry；Described reel (7)
Being provided with eccentric shaft (7a) along axis in end face outside, the left and right sides of reel (7) integrated disc portions is symmetrical parallel
Trimming forms chamfered edge dish (7b), and reel (7) inner side end is provided with rectangular boss (7d) centrally along horizontal direction,
In chamfered edge dish (7b) inner side end difference on the symmetrical line that rectangular boss (7d) distance between center line is equal
It is provided with the step-like eccentric pin hole of some size diameter (7c), at chamfered edge dish (7b) center, left cut face vertically passing
Eccentric shaft (7a) axis is provided with through regulation screw (7e)；Described eccentric throw has a grade positioner to include two
Set is respectively installed on the spring catch in disk (2) dowel hole (2d) and chamfered edge dish (7b) if going up setting
Dry eccentric pin hole (7c), spring catch includes the finger that diameter ladder increases and end is provided with blind hole greatly from outside to inside
(4), it is located at the end cap (8) of disk (2) dowel hole (2d) inner side end and to be positioned at finger (4) blind
Spring (3) between hole and end cap (8)；Described eccentric throw adjusting apparatus include adjust drive, adjust guide and
Adjusting fastening three parts, described adjustment drive part includes regulating screw (9), fixed block (11) and spacing
Regulation screw (7e) on block (12) and chamfered edge dish (7b)；Described fixed block (11) is rectangular configuration,
Inner side is provided with the rectangular boss as reel (7), is fixed on the left of disk (2) outer face by screw,
Left end and chamfered edge dish (7b) regulate the through hole being provided with band counterbore at screw (7e) coaxial line；Described regulation spiral shell
The through hole of nail (9) self-retaining block (11) left end inserts and screws in the regulation screw (7e) of chamfered edge dish (7b) left end
In, it is provided with a rectangle annular groove (9a) at the nearly left end of regulation screw (9)；Described positive stop (12) is square
Shape chip architecture, is fixed by screws in the right-hand member of fixed block (11), and its thickness is less than regulation screw (9) ring
The width of groove (9a), inside edge is provided with semicircle orifice, and semicircle orifice snaps in the annular groove (9a) of regulation screw (9)
In；Described adjustment targeting part is by the rectangular channel (2b) on disk (2) and the rectangle on reel (7)
Boss (7d) is slidably matched and realizes guiding；Described adjustment fastening part includes four on chamfered edge dish (7b)
Trip bolt (6) and be positioned at four T-nut (5) of (2) two T-slot (2c) of disk is logical
Cross trip bolt (6) make reel (7) and disk (2) fixing or unclamp.
A kind of eccentric shaft away from have level and stepless adjusting apparatus, its feature
It is: the eccentric distance e of described eccentric shaft (7a) is according to the width A of chamfered edge dish (7b), fixed block (11)
Right side away from disk (2) centre distance B and fixed block (11) right side and chamfered edge dish (7b) left side away from
Obtain from x, it may be assumed that e=A/2+x-B.
A kind of eccentric shaft away from have level and stepless adjusting apparatus, its feature
It is: the rectangular channel (2a) on described disk (2) is arranged to the one in non-penetrating or through two ways.
A kind of eccentric shaft away from have level and stepless adjusting apparatus, its feature
Be: be also respectively provided with at described chamfered edge dish (7b) left side tangent plane and centrosymmetry an additional threaded bores and
The auxiliary bolt (10) screwed in.
5. one kind as described in any one of claim 1-4 eccentric shaft away from have level and stepless adjusting apparatus
Method of adjustment, it is characterised in that include level and adjust and two kinds of methods of stepless changing:
(1) level that has of eccentric throw adjusts: first unscrew four trip bolts (6) on dish axle (7), then
Utilize shaft-like accessory to insert in eccentric pin hole (7c), elasticity finger (4) head extruded dowel hole (7c),
Use the mobile reel (7) of inner hexagon spanner turning adjusting screw (9), when in disk (2) upper and lower two simultaneously
The i.e. eccentric e of certain eccentric pin hole of an alignment (7c) in individual finger (4)iOne of, at this moment finger (4)
Head under the effect of spring (3), insert this eccentric pin hole (7c), when insert eccentric pin hole (7c)
Required eccentric throw, then extruded continue to move to reel (7) until finger (4) insert needed for
Screw the level that has that four trip bolts (6) i.e. realize eccentric throw after eccentric pin hole (7c) to adjust；
(2) stepless changing of eccentric throw: use measuring method or determine required bias by displacement transducer
Away from, wherein measuring method is: use eccentric throw formula e=A/2+x-B, it is thus achieved that required random eccentric away from e,
Then having x=B+e-A/2, wherein A is the width of reel (7), and B is for fixing fast (11) right side to disk
The distance at center, A and B is changeless size, and x is the size adjusting change with eccentric throw, works as survey
Obtain x with regard to the eccentric distance e needed for correspondence, it is achieved the stepless changing of eccentric throw.
A kind of eccentric shaft away from the adjustment side having level and stepless adjusting apparatus
Method, it is characterised in that described shaft-like accessory is for can be inserted into eccentric pin hole (7c) screwdriver or rod tool.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106000851A true CN106000851A (en) | 2016-10-12 |
| CN106000851B CN106000851B (en) | 2018-07-06 |
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| CN106628459A (en) * | 2016-12-31 | 2017-05-10 | 苏州博众精工科技有限公司 | Vibrating mechanism |
| CN107830146A (en) * | 2017-11-14 | 2018-03-23 | 六安市金龙齿轮有限公司 | A kind of eccentric gear and its adjusting method of adjustable eccentric degree |
| CN107900863A (en) * | 2017-11-17 | 2018-04-13 | 江门市江海区杰能机电科技有限公司 | The grinding mechanism of abrasive belt grinding machine |
| CN108723868A (en) * | 2018-08-23 | 2018-11-02 | 上海和科设备制造有限公司 | A kind of conveying mechanism and device for cutting off flat pipes |
| CN108802807A (en) * | 2018-06-12 | 2018-11-13 | 西南石油大学 | A kind of adjustable small controllable earthquake focus exciting device of exciting force bandwidth |
| CN109262307A (en) * | 2018-11-14 | 2019-01-25 | 常州机电职业技术学院 | Eccentric wheel assembly with adjustable eccentricity |
| CN110439916A (en) * | 2019-09-04 | 2019-11-12 | 西南交通大学 | A kind of adjustable eccentric wheel of eccentricity |
| CN111238846A (en) * | 2020-01-22 | 2020-06-05 | 哈尔滨工业大学 | Vibration loading mechanism and performance testing device for Mars vehicle moving system |
| CN113617623A (en) * | 2021-09-01 | 2021-11-09 | 中国飞机强度研究所 | Eccentric block suitable for high-speed rotation |
| CN114345676A (en) * | 2022-01-11 | 2022-04-15 | 中国人民解放军陆军装甲兵学院 | Continuously adjustable eccentric vibration exciter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106628459A (en) * | 2016-12-31 | 2017-05-10 | 苏州博众精工科技有限公司 | Vibrating mechanism |
| CN106628459B (en) * | 2016-12-31 | 2018-10-30 | 博众精工科技股份有限公司 | A kind of vibrating mechanism |
| CN107830146A (en) * | 2017-11-14 | 2018-03-23 | 六安市金龙齿轮有限公司 | A kind of eccentric gear and its adjusting method of adjustable eccentric degree |
| CN107900863A (en) * | 2017-11-17 | 2018-04-13 | 江门市江海区杰能机电科技有限公司 | The grinding mechanism of abrasive belt grinding machine |
| CN108802807A (en) * | 2018-06-12 | 2018-11-13 | 西南石油大学 | A kind of adjustable small controllable earthquake focus exciting device of exciting force bandwidth |
| CN108723868A (en) * | 2018-08-23 | 2018-11-02 | 上海和科设备制造有限公司 | A kind of conveying mechanism and device for cutting off flat pipes |
| CN109262307A (en) * | 2018-11-14 | 2019-01-25 | 常州机电职业技术学院 | Eccentric wheel assembly with adjustable eccentricity |
| CN110439916A (en) * | 2019-09-04 | 2019-11-12 | 西南交通大学 | A kind of adjustable eccentric wheel of eccentricity |
| CN111238846A (en) * | 2020-01-22 | 2020-06-05 | 哈尔滨工业大学 | Vibration loading mechanism and performance testing device for Mars vehicle moving system |
| CN113617623A (en) * | 2021-09-01 | 2021-11-09 | 中国飞机强度研究所 | Eccentric block suitable for high-speed rotation |
| CN114345676A (en) * | 2022-01-11 | 2022-04-15 | 中国人民解放军陆军装甲兵学院 | Continuously adjustable eccentric vibration exciter |
| CN114345676B (en) * | 2022-01-11 | 2022-09-16 | 中国人民解放军陆军装甲兵学院 | Continuously adjustable eccentric vibration exciter |
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