CN203778327U - Vibrator - Google Patents
Vibrator Download PDFInfo
- Publication number
- CN203778327U CN203778327U CN201420139494.7U CN201420139494U CN203778327U CN 203778327 U CN203778327 U CN 203778327U CN 201420139494 U CN201420139494 U CN 201420139494U CN 203778327 U CN203778327 U CN 203778327U
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- China
- Prior art keywords
- adjustment piece
- eccentric block
- vibrator
- driving shaft
- eccentric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses a vibrator. The vibrator comprises a box body, wherein two pairs of bearings are symmetrically arranged in the box body; a driving shaft and a driven shaft are arranged in the bearings in a penetrating manner respectively; a large helix angle gear is arranged in the middle part of each of the driving shaft and the driven shaft; the two large helix angle gears are in meshing transmission; a regulating eccentric block and a fixing eccentric block are arranged at the two ends of the driving shaft respectively; the regulating eccentric blocks at the two ends of the driving shaft are arranged symmetrically while the fixing eccentric blocks at the two ends of the driving shaft are arranged symmetrically; a regulating eccentric block and a fixing eccentric block are arranged at the two ends of the driven shaft; the regulating eccentric blocks at the two ends of the driven shaft are arranged symmetrically while the fixing eccentric blocks at the two ends of the driven shaft are arranged symmetrically. According to the vibrator, through adopting the large helix angle gears, the problems of the vibrator in the prior art are solved, and the linear regulation of the amplitude and exciting force of the vibrator is ensured.
Description
Technical field
The utility model relates to a kind of vibrator that is applied to vibratory equipment, relate in particular to a kind of can linear regulation amplitude and the vibrator of exciting force.
Background technology
Vibratory sieve is important classification, dehydration, de-medium apparatus, is widely used in the industries such as mine, food, chemical industry, building.
The operation of vibratory sieve realizes by Motor Drive vibrator, and vibrator can ensure vibratory sieve in certain amplitude range, in certain frequency range and certain direction of vibration internal vibration.
Visible, the effect of vibrator in vibratory sieve is particularly important, but in existing Technology design, because the adjustable range of vibrator amplitude is little and be Nonlinear Adjustment, stable amplitude and exciting force can not be provided at work, and vibrator is in the time of operation, in its rotating shaft and the frequent leakage of oil of bearing seal place, does not thoroughly solve the sealing of vibrator and the problem of leakage of oil.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of vibrator, can linear regulation vibratory sieve amplitude and the vibrator of exciting force, and also structure installs convenient fixing, and can reach good sealing effectiveness.
In order to solve the problems of the technologies described above, the utility model provides a kind of vibrator, include casing, in described casing, be symmetrically arranged with two pairs of bearings, in two pairs of bearings, be equipped with respectively driving shaft and driven shaft, described driving shaft and driven shaft middle part are provided with large helix angle gear, the intermeshing transmission of two described large helix angle gears;
Be provided with eccentric adjustment piece and fixed eccentric block at the two ends of described driving shaft, the eccentric adjustment piece of described both ends of main drive shaft is symmetrical arranged, and the fixed eccentric block of described both ends of main drive shaft is symmetrical arranged;
Be provided with eccentric adjustment piece and fixed eccentric block at the two ends of described driven shaft, the eccentric adjustment piece at described driven shaft two ends is symmetrical arranged, and the fixed eccentric block at described driven shaft two ends is symmetrical arranged.
Further, the angle of two described large helix angle gears is 8 ° ~ 35 °.
Further, the adjacent setting on the axis of driving shaft of the fixed eccentric block of described driving shaft one end and eccentric adjustment piece, the distance between fixed eccentric block and the eccentric adjustment piece of described driven shaft one end equals fixed eccentric block and the eccentric adjustment piece thickness sum of driving shaft one end.
Further, on described driving shaft and driven shaft, be provided with the keyway of angle adjustable and the keyway of fixed angle, described eccentric adjustment piece top is provided with key and matches with the keyway of angle adjustable, described fixed eccentric block top is provided with key and matches with the keyway of fixed angle, and the angle adjustable of described eccentric adjustment piece is 0 ° ~ 60 °.
Further, described fixed eccentric block and eccentric adjustment piece are sector structure, are evenly provided with five profiled holes on each described fixed eccentric block and eccentric adjustment piece, in five described profiled holes, metal derby are set.
Further, described profiled holes is I font hole.
Further, outer setting at described bearing has hermetically-sealed construction, described hermetically-sealed construction is made up of bearing (ball) cover and labyrinth ring, and described bearing (ball) cover is provided with the dual O type seal groove matching with labyrinth ring, in described dual O type seal groove, O RunddichtringO is set respectively.
Further, between described bearing (ball) cover and the back-up ring of bearing, be also provided with oil scraper ring.
The utility model vibrator adopts large helix angle gear to carry out Synchronous Transmission, solve existing problem in existing vibrator, and amplitude and exciting force that can linear regulation vibrator, and vibrator structure is installed convenient fixing, the utility model adopts dual O type hermetically-sealed construction, guaranteed equipment good sealing effectiveness under vibration environment.
Brief description of the drawings
Fig. 1 is the Facad structure schematic diagram of the utility model vibrator;
Fig. 2 is the cross section structure schematic diagram of vibrator in Fig. 1;
Fig. 3 is the side structure schematic diagram of the utility model vibrator;
Fig. 4 is the detailed view of the utility model eccentric block;
Fig. 5 is the side view of Fig. 4 eccentric block;
Fig. 6 is the utility model bearing (ball) cover structure chart;
Fig. 7 is the utility model labyrinth ring structure chart;
Fig. 8 is the utility model oil scraper ring structure chart.
In figure, the utility model brief description of the drawings is as follows:
1---casing, 2---bolt hole, 3,5,7,9---eccentric adjustment piece, 4,6,8,10---fixed eccentric block, 11---driving shaft, 12---driven shaft, 13,14,15,16---bearing, 17---large helix angle gear, 18---large helix angle gear, 19,20,21,22---labyrinth ring, 23,24,25,26---bearing (ball) cover, 27,28,29,30---oil scraper ring, 31---I font hole, 32---the keyway of angle adjustable, 33---the keyway of fixed angle.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figures 1 to 7, the utility model provides a kind of vibrator, it includes the casing 1 of sealing, casing 1 bottom is provided with bolt hole 2 fixing for by casing 1, in described casing 1, be arranged with two pairs of dead eyes, identical four bearings 13,14,15,16 of installation specification model in described dead eye, in described bearing outside, correspondence is provided with bearing (ball) cover 23,24,25,26 respectively.
Described vibrator also includes driving shaft 11 and driven shaft 12, and described driving shaft 11 is arranged in bearing 13,16 and through casing 1 and arranges, and described driven shaft 12 is arranged in bearing 14,15 and through casing 1 and arranges.
In order to ensure that driving shaft 11 and driven shaft 12 move simultaneously, be separately installed with large helix angle gear 17,18 at described driving shaft 4 and driven shaft 5 middles, in casing 1, be mounted with the large helix angle gear 17,18 of a pair of identical argument structure, two large helix angle gears 17,18 are intermeshing, the angle of described large helix angle gear 17,18 is 8 ° ~ 35 °, in order to make its working effect the best, the angle of described large helix angle gear 17,18 is preferably 30 °.
The utility model coordinates by large helix angle gear 17,18, and its axial thrust is increased, and carry-over moment is large, and stable drive, and the utility model selects large helix angle transmission to ensure that vibrator can provide stable amplitude and exciting force at work.
The position that passes casing 1 at described driving shaft 11 is symmetrically arranged with eccentric adjustment piece 3, 7 and fixed eccentric block 4, 8, described eccentric adjustment piece 3, 7 and fixed eccentric block 4, 8 are sector structure, on described driving shaft 11, be provided with the keyway 32 of angle adjustable and the keyway 33 of fixed angle, described eccentric adjustment piece 3, 7 and fixed eccentric block 4, 8 tops are provided with key, described eccentric adjustment piece 3, 7 are arranged on keyway 32 places of angle adjustable by key, and then change eccentric adjustment piece 3, 7 angle, described fixed eccentric block 4, 8, be arranged on keyway 33 places of fixed angle by key.
The position that passes casing 1 at described driven shaft 12 is symmetrically arranged with eccentric adjustment piece 5, 9 and fixed eccentric block 6, 10, described eccentric adjustment piece 5, 9 and fixed eccentric block 6, 10 are sector structure, on described driven shaft 12, be provided with the keyway 32 of angle adjustable and the keyway 33 of fixed angle, described eccentric adjustment piece 5, 9 and fixed eccentric block 6, 10 tops are provided with key, described eccentric adjustment piece 5, 9 are arranged on keyway 32 places of angle adjustable by key, and then change eccentric adjustment piece 5, 9 angle, described fixed eccentric block 6, 10 are arranged on keyway 33 places of fixed angle by key.
The inner side that the fixed eccentric block 4,8 of described driving shaft 11 homonymies is close to eccentric adjustment piece 3,7 arranges, distance between fixed eccentric block 6,10 and the eccentric adjustment piece 5,9 of described driven shaft 12 homonymies equals fixed eccentric block 4,8 and eccentric adjustment piece 3, the 7 thickness sums of driving shaft 11, the fixed eccentric block 4,8,6,10 of driving shaft 11 and driven shaft 12 both sides and the concrete setting position of eccentric adjustment piece 3,7,5,9, not as limit, can be exchanged the position relationship of fixed eccentric block 4,8,6,10 and eccentric adjustment piece 3,7,5,9 herein.
The adjustable extent of described eccentric adjustment piece 3,5,7,9 angles is 0 ° ~ 60 °.
As from the foregoing, the utility model has four fixed eccentric blocks 4,6,8,10 and four eccentric adjustment pieces 3,5,7,9, as shown in Figure 5, for ensureing in the time need to changing the angle of eccentric block can fast assembling-disassembling eccentric block, be provided with the opening of 5 ~ 8mm at the plane of symmetry of eccentric block.
The utility model is in order to solve the nonlinear problem existing in existing vibrator, in each eccentric block, be equipped with five profiled holes that size shape is identical, in the present embodiment, described profiled holes is I font hole 31, by by the quality that changes each eccentric block at described I font hole 31 interior added metal pieces, and then control the eccentricity of each eccentric block, amplitude and the exciting force of linear regulation vibrator are guaranteed, profiled holes is arranged to narrow I font hole 31, wide centre, two ends by the utility model, can be in the time of vibrator works, effectively prevent that metal derby from coming off from profiled holes.
As shown in Figures 1 to 8, for the typical structure schematic diagram of the utility model large helix angle Synchronous Transmission vibrator, eccentric adjustment piece 3 and fixed eccentric block 4 mounted in pairing mode are at the two ends of driving shaft 11, eccentric adjustment piece 3 is arranged on keyway 32 places of corresponding angle adjustable, fixed eccentric block 4 is arranged on keyway 33 places of corresponding fixed angle, staggers same eccentric adjustment piece 5,9 and fixed eccentric block 6,10 are installed on driven shaft 12.Be provided with two large helix angle gears 17,18 that structural parameters are identical at the interior driving shaft 11 of casing 1 with part engagement in driven shaft 12.
The outside of four dead eyes of casing 1 is installed with four bearing (ball) covers 23,24,25,26 with bolt respectively, as the bearing (ball) cover 23,24,25,26 in Fig. 2, its detailed view as shown in Figure 6 to 8, the design adopts the bearing (ball) cover 23,24,25,26 of flanged type, bearing (ball) cover 23,24,25,26 installations, dismounting and the adjustment bearing clearance of flanged type are all more convenient, main is its good seal performance, and is used in conjunction with labyrinth ring 19,20,21,22.
In the design, adopt bearing (ball) cover 23,24,25,26 and labyrinth ring 19,20,21,22 double sealing structures, on bearing (ball) cover 23,24,25,26, be provided with the dual O type seal groove corresponding with labyrinth ring 19,20,21,22, the O RunddichtringO of corresponding size is installed respectively when installation in groove, O RunddichtringO is compressed and realizes sealing, under medium effect, produce self-tightening effect, its sealing effectiveness highly significant, O RunddichtringO has two way seal ability, simple in structure, and for standard component be easy to buy.
In the design, between bearing (ball) cover 23,24,25,26 and the back-up ring of bearing 13,14,15,16, oil scraper ring 27,28,29,30 is installed, the design adopts 17,18 transmissions of large helix angle gear, mounting block oil ring 27,28,29,30 has effectively solved bearing lubrication problem, oil scraper ring 27,28,29,30 sides adopt inclined design effectively lubricating oil to be blocked and to disperse to be splashed into bearing cavity, realize the evenly lubricated of bearing.
The operation principle of the large helix angle Synchronous Transmission vibrator that the utility model relates to is: two rotating shaft driving shafts 11 and driven shaft 12 are intermeshing by a pair of large helix angle gear 17,18, and there is motor to drive driving shaft 11, two rotating shafts are rotated with the angular speed equating, contrary direction, in each rotating shaft, have fixed eccentric block 4,6,8,10 and eccentric adjustment piece 3,5,7,9 that quality shape is identical.Each eccentric block has a centrifugal action in rotating shaft, the angle of eccentric adjustment piece 3,5,7,9 in rotating shaft is adjustable, adjustable extent is 0 ° ~ 60 °, the design's two ends, vibrator left and right are furnished with eight eccentric blocks altogether, on each eccentric block with five I font holes 31, change the quality of each eccentric block by filling heavy metal, thereby obtain suitable eccentric throw, and then realize the linear regulation of amplitude and the exciting force of vibrator.
The large helix angle synchronous vibrator that the utility model provides, has solved the linear regulation problem of amplitude and the exciting force of vibrator effectively.Vibratory sieve is realized classification, dehydration and de-mediated under the driving of vibrator, therefore the design's vibrator can be widely used in the industries such as mine, food, building.
The utlity model has following outstanding advantages:
1. bearing (ball) cover and labyrinth ring are used in conjunction with, and composition double sealing structure has solved the phenomenon of the leakage of oil in work effectively.
2. between bearing (ball) cover and the back-up ring of bearing, be furnished with oil scraper ring, in work, effectively solved the lubrication problem of bearing.
3. the eccentric block plane of symmetry is provided with the opening of 5 ~ 8mm, is convenient to dismounting, is conducive to adjust the angle of eccentric block.
4. eccentric block is provided with 5 I font holes, can realize the linear regulation of amplitude and exciting force.
5. the vibrator structure that the utility model provides is simple, and reliability is high, the life-span is long.
The above embodiment is only the preferred embodiment for absolutely proving that the utility model is lifted, and protection domain of the present utility model is not limited to this.What those skilled in the art did on the utility model basis is equal to alternative or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (8)
1. a vibrator, includes casing, is symmetrically arranged with two pairs of bearings in described casing, in two pairs of bearings, be equipped with respectively driving shaft and driven shaft, it is characterized in that, described driving shaft and driven shaft middle part are provided with large helix angle gear, the intermeshing transmission of two described large helix angle gears;
Be provided with eccentric adjustment piece and fixed eccentric block at the two ends of described driving shaft, the eccentric adjustment piece of described both ends of main drive shaft is symmetrical arranged, and the fixed eccentric block of described both ends of main drive shaft is symmetrical arranged;
Be provided with eccentric adjustment piece and fixed eccentric block at the two ends of described driven shaft, the eccentric adjustment piece at described driven shaft two ends is symmetrical arranged, and the fixed eccentric block at described driven shaft two ends is symmetrical arranged.
2. vibrator according to claim 1, is characterized in that, the angle of two described large helix angle gears is 8 ° ~ 35 °.
3. vibrator according to claim 1, it is characterized in that, the adjacent setting on the axis of driving shaft of the fixed eccentric block of described driving shaft one end and eccentric adjustment piece, the distance between fixed eccentric block and the eccentric adjustment piece of described driven shaft one end equals fixed eccentric block and the eccentric adjustment piece thickness sum of driving shaft one end.
4. vibrator according to claim 3, it is characterized in that, on described driving shaft and driven shaft, be provided with the keyway of angle adjustable and the keyway of fixed angle, described eccentric adjustment piece top is provided with key and matches with the keyway of angle adjustable, described fixed eccentric block top is provided with key and matches with the keyway of fixed angle, and the angle adjustable of described eccentric adjustment piece is 0 ° ~ 60 °.
5. vibrator according to claim 4, is characterized in that, described fixed eccentric block and eccentric adjustment piece are sector structure, is evenly provided with five profiled holes on each described fixed eccentric block and eccentric adjustment piece, in five described profiled holes, metal derby is set.
6. vibrator according to claim 5, is characterized in that, described profiled holes is I font hole.
7. vibrator according to claim 1, it is characterized in that, outer setting at described bearing has hermetically-sealed construction, described hermetically-sealed construction is made up of bearing (ball) cover and labyrinth ring, described bearing (ball) cover is provided with the dual O type seal groove matching with labyrinth ring, in described dual O type seal groove, O RunddichtringO is set respectively.
8. vibrator according to claim 7, is characterized in that, between described bearing (ball) cover and the back-up ring of bearing, is also provided with oil scraper ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139494.7U CN203778327U (en) | 2014-03-26 | 2014-03-26 | Vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139494.7U CN203778327U (en) | 2014-03-26 | 2014-03-26 | Vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778327U true CN203778327U (en) | 2014-08-20 |
Family
ID=51314555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139494.7U Expired - Lifetime CN203778327U (en) | 2014-03-26 | 2014-03-26 | Vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640528A (en) * | 2017-10-18 | 2018-01-30 | 韶关市创力机械有限公司 | Double-shaft vibration exciter for straight line batcher |
| CN112044721A (en) * | 2020-08-17 | 2020-12-08 | 南阳市百斯特液压机械有限公司 | Four-axis combined vibration force device |
-
2014
- 2014-03-26 CN CN201420139494.7U patent/CN203778327U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640528A (en) * | 2017-10-18 | 2018-01-30 | 韶关市创力机械有限公司 | Double-shaft vibration exciter for straight line batcher |
| CN112044721A (en) * | 2020-08-17 | 2020-12-08 | 南阳市百斯特液压机械有限公司 | Four-axis combined vibration force device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |