CN201889284U - Synchronous phase-locking device for double vibration exciters - Google Patents
Synchronous phase-locking device for double vibration exciters Download PDFInfo
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- CN201889284U CN201889284U CN2010206340860U CN201020634086U CN201889284U CN 201889284 U CN201889284 U CN 201889284U CN 2010206340860 U CN2010206340860 U CN 2010206340860U CN 201020634086 U CN201020634086 U CN 201020634086U CN 201889284 U CN201889284 U CN 201889284U
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- spur gear
- vibrator
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- gear
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Abstract
The utility model provides a synchronous phase-locking device for double vibration exciters. The synchronous phase-locking device comprises two vibration exciters which run in parallel but in opposite directions. 2n External-toothing spur gears with the velocity ratio of 1:1 are adopted to form a transmission pair, wherein n is a positive integer less than 10; the first spur gear of the transmission pair is connected with a main shaft of the first vibration exciter through a first elastic shaft coupling; the last spur gear of the transmission pair is connected with a main shaft of the second vibration exciter through a second elastic shaft coupling; a phase-locking mechanism is arranged between the first spur gear or the last spur gear and a shaft of the first spur gear or the last spur gear; and the phase-locking mechanism can adjust a relative position of the first spur gear or the last spur gear and the shaft of the first spur gear or the last spur gear in the rotation direction and lock the relative position. The synchronous phase-locking device adopts the gears to force the two vibration exciters to synchronize and eliminate the phase difference of the vibration exciters during the operation, so as to keep the balance of the excitation force outputs and ensure stable-state vibration excitation.
Description
Technical field
The utility model relates to vibrotechnique, further is a centrifugal force genlock device towards a direction output of instigating two vibrators to produce.
Background technology
Vibrator is widely used in building element and the compacting of structures when building.During two vibrator inverted runnings, the centrifugal force that reach two vibrators generations is only exported towards a direction, and makes the stable state exciting, need guarantee that at first two vibrators should be synchronous.Accomplish this point, normally utilize two motor self-synchronizing methods.Self-synchronizing method need satisfy the requirement of synchronism and satisfy stability condition under the respective synchronization state, these conditions comprise: the characteristic of two motors should be identical or approaching, motor speed, the Mass Distribution of eccentric mass square, body need satisfy certain requirement and vibrator installation site, the distribution of the damped coefficient of each direction of motion etc.Satisfied the motor synchronizing that these conditions just can realize two vibrators.From many with the factor of method influence, realize that difficulty is big, manufacturing cost is corresponding higher.Two vibrator motor synchronizings can reach the stable state exciting, but under given conditions, no matter as require two vibrator installation sites how to change, all requiring the exciting force outbound course is horizontal direction, and vertical direction is depended merely on motor synchronizing and just can not be realized with regard to unable output.
Summary of the invention
The technical problems to be solved in the utility model is, deficiency at the prior art existence, a kind of pair of vibrator genlock device proposed, no matter how two vibrator installation sites are changed, the centrifugal force that vibrator produced will be in the synthetic simple harmonic quantity power that changes by sinusoidal wave rule of a certain fixed-direction, the vibration efficiency of vibrator is not fully exerted, plays energy-saving and cost-reducing effect.
The technical solution of the utility model is that described pair of vibrator genlock device comprises two
Run parallel and the opposite vibrator of traffic direction, its design feature is, 2n(n be set be 10 with interior positive integer) individual speed ratio is that the external toothing spur gear of 1:1 is formed transmission, and first spur gear of transmission connects by the main shaft of first yielding coupling with first vibrator, and last spur gear of transmission connects by the main shaft of second yielding coupling with second vibrator; Between the axle of described first spur gear or last spur gear and this gear phase-locked mechanism is housed, phase-locked mechanism can regulate this gear and the relative position in direction of rotation between this (being the phase angle) and lock this relative position.
Below the utility model made further specify.
Described gear driving pair guarantees two vibrator antiports and synchronous, rate of doing work transmission.
In the utility model, 0 ° of phase place of vibrator eccentric massblock is meant, on its Plane of rotation, eccentric massblock is done the time spent in no external force, will be under the gravity effect naturally vertically downward, the position when vertical line of crossing this eccentric massblock center of gravity this moment is positioned when being equal to face disc 6 is defined as 0 ° of phase place.Other phase angle is then analogized by the circumference angle related definition in the univeral mathematics.
By being contained in 2n(n in the casing is 10 with interior positive integer) individual speed ratio is that transmission and the described phase-locked mechanism that the external toothing spur gear of 1:1 is formed formed the genlock device, its phase-locked mechanism is used to adjust the phase difference of two vibrator eccentric massblocks, can be 0
oOr 180
oSelect arbitrarily.The eccentric massblock initial phase of two vibrators is 180
oThe time, the no matter vibrator installation that lies low is still pasted wall (or structural member) and is vertically installed, and the exciting force outbound course is level to, the unable output of vertical direction, and adjusting two vibrator eccentric massblock initial phases is 0
oThe time, have only vertical direction that exciting force output is arranged, and the unable output of horizontal direction.Simultaneously,, force the run-in synchronism of two excitings, eliminate operating phase difference, accomplish even weighing apparatus exciting fully, do not produce component by this device.After the locking initial phase, vibrator shuts down, and the eccentric massblock of two vibrators is because inertia, and it can be parked in any position, but initial phase still remains unchanged, and when restarting, no longer needs to adjust the phase place of eccentric massblock.
As known from the above, the utility model is two vibrator genlock devices, no matter how two vibrator installation sites are changed, the centrifugal force that vibrator produced will be in the synthetic simple harmonic quantity power that changes by sinusoidal wave rule of a certain fixed-direction, the vibration efficiency of vibrator is not fully exerted, can shorten the compacting time more than 30%, improve production efficiency greatly, also play energy-saving and cost-reducing effect.
Description of drawings
Fig. 1 is the plan structure schematic diagram behind the loam cake removed of a kind of embodiment of the utility model;
Fig. 2 be among Fig. 1 D-D to sectional structure;
Fig. 3 is installed in the wall side for A-A cross section among Fig. 1 and device, and two vibrator eccentric massblocks all are in 0
0Phase place, phase difference are 0 phase place schematic diagram;
Fig. 4 is installed in the wall side for A-A cross section among Fig. 1 and device, and two vibrator eccentric massblocks are in 180 respectively
0With 0
0Phase place, phase difference are 180
0The phase place schematic diagram;
Fig. 5 is that A among Fig. 1-A cross section and device level are installed, and two vibrator eccentric massblocks all are in 0
0Phase place, phase difference are 0 phase place schematic diagram;
Fig. 6 is that A among Fig. 1-A cross section and device level are installed, and two vibrator eccentric massblocks are in 0 respectively
0With 180
0Phase place, phase difference are 180
0The phase place schematic diagram;
Fig. 7 is the front view of resilient sleeve 8 among Fig. 2;
Fig. 8 be among Fig. 7 B-B to sectional structure.
In the drawings:
1,2-vibrator, 3-genlock device casing, 4-base,
5-first spur gear, 6-shaft coupling, 7-last spur gear,
8-resilient sleeve, 9-gland, 10-axle,
11-eccentric massblock, 12-eccentric massblock, 13-cement pedestal,
m
0Be the eccentric massblock quality, ω is an angular frequency.
The specific embodiment
As depicted in figs. 1 and 2, of the present utility model pair of vibrator genlock device comprises that two run parallel and the opposite vibrator 1,2 of traffic direction, its design feature is, the external toothing spur gear that 2 speed ratios are set is 1:1 is formed transmission, and first spur gear 5 of transmission connects by the main shaft of first yielding coupling 6 with first vibrator 1, and last of transmission (second) spur gear 7 connects by the main shaft of second yielding coupling with second vibrator 2; Between the axle 10 of described first spur gear 5 or second spur gear and this gear phase-locked mechanism is housed, phase-locked mechanism can regulate this gear and the relative position in direction of rotation between this (being the phase angle) and lock this relative position.
Further, two vibrators 1,2 are installed in parallel, and together be installed on the base plate 4 with the genlock device, genlock device profile is a rectangle box-shaped, and casing is interior to be that 1:1 external toothing first spur gear 5 is connected with second spur gear (being last gear 7) of a band inner cone with speed ratio.The external gear pump number needs determines that according to the spacing of two vibrator sizes and vibrator two-parallel axis its quantity must be even number, and minimum is two.
One end of genlock device is equipped with a phase-locked as shown in Figure 2 mechanism.This phase-locked mechanism is by second spur gear (being last gear 7) of band internal taper hole and band outer cone and in the circumference resilient sleeve 8 that evenly to have two to four width be the trough of 1mm, and a gland 9 and axle 10 compositions.Second spur gear is contained on the axle 10, and resilient sleeve 8 is contained in the internal taper hole of second spur gear, and gland 9 is connected with second spur gear end face by 4 screws of circumference uniform distribution.
Second spur gear inner cone and resilient sleeve 8 outer cone taperings are 1:50, gland 9 is connected with the dedicated gear end face by 4 screws of circumference uniform distribution, even fastening 4 screws, gland 9 evenly compresses resilient sleeve, make it and second spur gear inner cone tensioner that closely cooperates, and resilient sleeve 8 firmly holds axle 10 tightly and forms dual fail-safe, thereby the initial phase of locking is immobilized.For accomplishing that two conical surfaces better contact and allow the tightr axle 10 of embracing of bullet cover, at resilient sleeve 8 baseplanes and second spur gear inner plane, and gland 9 and second spur gear end face need keep 1-2mm gap.
This lock set phase mechanism as required can be 0
oOr 180
oBetween regulate arbitrarily.This genlock device not only can lock initial phase, and the assurance centrifugal force that vibrator produced is only towards a fixed-direction output, and eliminated the operating phase difference of vibrator, reach two vibrator synchronous operations, ensure that the exciting force of vibrator output is balanced consistent, and make to stablize exciting.
Two vibrators 1,2 are formed by adorning 4 eccentric massblocks in the alternating current generator of centre and two ends protective cover, the protective cover.A fixed mass piece and a movable mass piece are housed on each end of motor projecting shaft, adjust the angle of two masses, just can adjust the size of exciting force, it is 180 that two eccentric massblocks keep angle
oThe time, exciting force is 0, overlapping when two eccentric massblocks, angle is 0 o'clock, the exciting force maximum.Vibrator is selected the prior art structure for use.
Figure 3 shows that the genlock device is to paste walls (or structural member) vertically to install, require exciting force to be output as level to, and the unable output of vertical direction.As can be seen from the figure, parallel (the genlock device is contained in the vibrator opposite side, does not show on the figure) two machine shafts that are installed on the base plate 4 of two vibrators 1,2 are parallel.
As can be seen from Figure 3, the eccentric massblock 11,12 in two vibrators is because own wt, and the rule of pressing freely falling body all will be towards vertical direction, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 will run to dotted line position shown in the figure, and at this moment, two eccentric massblocks 11,12 all are horizontal, but direction is opposite, and the centrifugal force that two masses are produced just in time offsets, so the centrifugal force Px=0 of horizontal direction; The direction that is up to the standard has exciting force output, and two interior eccentric massblock 11,12 initial phases of vibrator should be 180
o, as shown in Figure 4, eccentric massblock 11 is owing to own wt, and it can fall all the time, and for this reason, needing increases by a lock set phase mechanism, and eccentric massblock is locked position as shown in Figure 4 all the time, remains 180 with eccentric massblock 12
oPhase place, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 will move to dotted line position shown in the figure, this moment the two eccentric massblocks horizontal level that exists together, direction is identical, the centrifugal force Px=2m that they produced
oω
2R is maximum, and the unable output of vertical direction, Y is to centrifugal force Py=0.
Fig. 5, Fig. 6 are that two vibrators vertical ground that lies low is installed, and the installation site has changed, but the exciting force direction still requires to be level.
As can be seen from Figure 5 during two eccentric massblocks, 11,12 non-locking phase places, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 will move to dotted line position shown in the figure, their horizontal levels that exists together, but direction is relative, this moment horizontal direction centrifugal force Px=0, Fig. 6 is 180 for utilizing phase-locked mechanism to lock two eccentric massblocks, 11,12 initial phases in advance
o, when two motor inverted runnings 90
oThe time, two eccentric massblocks 11,12 operation dotted line position shown in the figure, at this moment, so two eccentric massblocks 11,12 horizontal level that exists together, but direction unanimity are horizontal direction centrifugal (exciting) power Px=2m.ω
2R is maximum, and vertical direction centrifugal force Py=0.
In like manner, two interior eccentric massblock 11,12 locking initial phases of vibrator are 0
oThe time, change regardless of the vibrator installation site, at this moment, the exciting force outbound course is for vertically to, Py=2m
oω
2R is maximum, and level to centrifugal (exciting) power Px=0.Mix this and overlap the compacting that genlock device is applied in cement products, as the section of jurisdiction of subway, on railway sleeper and other cement product, reduce the internal friction of mixed material, increase the flowability of logistics, the die cavity lex primaria is good, packing height, pore-free, intensity is big, no component produces, and shortens the compacting time more than 30%, has improved productivity ratio greatly.
Simultaneously, utilize the genlock device to be applied in aspects such as structural member exciting and scientific experimentation, will obtain the desirable simple harmonic quantity power of no clutter by sinusoidal wave variation.
m
0For compiling heart piece quality, ω is an angular frequency.
Claims (3)
1. two vibrator genlock device, it is characterized in that, it comprises that two run parallel and the opposite vibrator of traffic direction, it is characterized in that, the external toothing spur gear that 2n speed ratio is set is 1:1 is formed transmission, and first spur gear of transmission connects by the main shaft of first yielding coupling with first vibrator, and last spur gear of transmission connects by the main shaft of second yielding coupling with second vibrator; Between the axle of described first spur gear or last spur gear and this gear phase-locked mechanism is housed, phase-locked mechanism can regulate this gear and between this at the relative position of direction of rotation and lock this relative position, wherein n is 10 with interior positive integer.
2. according to described pair of vibrator genlock of claim 1 device, it is characterized in that, described phase-locked mechanism is by the spur gear and the band outer cone of band internal taper hole and evenly have the resilient sleeve (8) of two to four troughs at circumference, and gland (9), axle (10) are formed, spur gear is contained on the axle (10), resilient sleeve (8) is contained in the internal taper hole of spur gear, and gland (9) is connected with second spur gear end face by screw.
3. according to described pair of vibrator genlock of claim 2 device, it is characterized in that the internal taper hole inner cone of spur gear and resilient sleeve (8) outer cone tapering are 1:50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206340860U CN201889284U (en) | 2010-12-01 | 2010-12-01 | Synchronous phase-locking device for double vibration exciters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206340860U CN201889284U (en) | 2010-12-01 | 2010-12-01 | Synchronous phase-locking device for double vibration exciters |
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| Publication Number | Publication Date |
|---|---|
| CN201889284U true CN201889284U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206340860U Expired - Lifetime CN201889284U (en) | 2010-12-01 | 2010-12-01 | Synchronous phase-locking device for double vibration exciters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145333A (en) * | 2010-12-01 | 2011-08-10 | 黎凡七 | Double-vibration exciter synchronous phase locking method and device |
-
2010
- 2010-12-01 CN CN2010206340860U patent/CN201889284U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145333A (en) * | 2010-12-01 | 2011-08-10 | 黎凡七 | Double-vibration exciter synchronous phase locking method and device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110706 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |