CN203292071U - Eccentric vibration reciprocating screen - Google Patents
Eccentric vibration reciprocating screen Download PDFInfo
- Publication number
- CN203292071U CN203292071U CN2013203127467U CN201320312746U CN203292071U CN 203292071 U CN203292071 U CN 203292071U CN 2013203127467 U CN2013203127467 U CN 2013203127467U CN 201320312746 U CN201320312746 U CN 201320312746U CN 203292071 U CN203292071 U CN 203292071U
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- China
- Prior art keywords
- eccentric
- eccentric bushing
- bearing
- transmission shaft
- sieve
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Abstract
The utility model discloses an eccentric vibration reciprocating screen and belongs to the technical field of mining machinery. The eccentric vibration reciprocating screen comprises a screen body driven by an actuator. The actuator comprises a power unit, a connecting rod is arranged between the power unit and the screen body, the power unit comprises a transmission shaft arranged on a transmission case in a rotating mode, the transmission shaft is connected with a motor, an eccentric sleeve is fixedly arranged on the transmission shaft, an eccentric shaft bearing seat is arranged on the periphery of the eccentric sleeve in a sleeved mode, the eccentric sleeve bearing seat is connected with the connecting rod, an antifriction bearing is arranged between the eccentric sleeve and the eccentric sleeve bearing seat, the outer ring of the antifriction bearing and the eccentric sleeve bearing seat are in interference fit, and the inner ring of the antifriction bearing and the eccentric sleeve are in interference fit. Therefore, the transmission shaft drives the eccentric sleeve to rotate and the eccentric sleeve bearing seat to swing, the movement of the screen body connected together with the connecting rod is achieved, the purpose of screening is achieved, and meanwhile loosening is carried out on building stones passing through the screen body. The structure is smooth in operation, and the eccentric vibration reciprocating screen is high in efficiency, saves energy, effectively reduces the rate of abrasion, prolongs the service life, reduces manufacturing cost and is simple in structure and strong in practicability.
Description
Technical field
The utility model belongs to the mining machinery technical field, relates in particular to a kind of eccentric vibrating reciprocating screen.
Background technology
Present stage is used for screening building stones plant equipment used and is mostly vibratory sieve or reciprocating screen, this reciprocating screen mainly drives by motor the eccentric wheel that is provided with kinematic link and rotates, and then the screen movement that links together of drive and kinematic link, reach the purpose of screening building stones.But in use, this equipment is heavy, and the long time running poor performance is easy to wear, causes service life short, and then increases manufacturing cost; This equipment can't be completed effective screening of plurality of specifications building stones simultaneously, thereby affects production efficiency and consume energy high.
The utility model content
The purpose of this utility model is to provide a kind of eccentric vibrating reciprocating screen, and is heavy, fragile to solve in the vibratory sieve that prior art provides eccentric wheel, reduces service life, increases the problem of manufacturing cost, maintenance cost.
for solving the problems of the technologies described above, the technical solution of the utility model is: the eccentric vibrating reciprocating screen, comprise the sieve nest by driver drives, described driver comprises the power set that are provided with successively, connecting rod and a sieve body, described power set, described connecting rod and a described sieve body are fixing entire combination, described power set comprise the belt pulley of transmission of power, described belt pulley is connected by V-belt with motor, described power set also comprise the power transmission shaft that is rotatably installed on transmission case, be installed with eccentric bushing on described power transmission shaft, the periphery of described eccentric bushing is set with the eccentric bushing bearing, described eccentric bushing bearing connects described connecting rod, be provided with rolling bearing between described eccentric bushing and described eccentric bushing bearing, be interference fit between the outer ring of described rolling bearing and described eccentric bushing bearing, the inner ring of described rolling bearing and described eccentric bushing are interference fit.
As a kind of improvement, be equipped with projection on described eccentric bushing bearing and a described sieve body, the two ends welded and installed of described connecting rod is on described projection, and described sieve head bearing support is fixedly installed on described sieve nest.
As further improvement, described motor drives the driver belt pulley by V-belt, described belt pulley connects described power transmission shaft, and an end relative with described belt pulley on described power transmission shaft is provided with flywheel, is equipped with expansion sleeve between described belt pulley and described flywheel and described power transmission shaft.
As further improving, be equipped with on described sieve nest the some dimension stones of screening sieve.
Owing to having adopted technique scheme, the beneficial effects of the utility model are: because power transmission shaft is provided with eccentric bushing, described eccentric bushing is provided with the bearing block that connects described connecting rod, be provided with rolling bearing between described eccentric bushing and described eccentric bushing bearing, be matched in clearance between the outer ring of described rolling bearing and described eccentric bushing bearing, the inner ring of described rolling bearing and described eccentric bushing are interference fit.thereby power set drive power transmission shaft and rotate, and then the drive eccentric bushing rotates and the eccentric bushing bearing swings, realized the motion of the sieve that links together with a connecting rod body, and then drive the sieve nest that links together with a sieve body and move, reach the purpose to the building stones screening, because the movement locus of eccentric bushing is oval, thereby realized the building stones through sieve nest are loosened and sieve, adopt this structure running smooth, energy-efficient, effectively reduced wear rate, improved service life, reduced use cost, reduced production cost, reduced cost of investment, and simple in structure, easy to maintenance, practical.
Because an end of connecting rod is connected with the projection on the eccentric bushing bearing, the other end of this connecting rod is connected with the projection on the sieve head bearing support.Thereby connecting rod is turned round smoothly in operation process, easy for installation.
, because the two ends of power transmission shaft are respectively equipped with belt pulley and flywheel, guaranteed equilbrium running in the course of the work; Owing to being equipped with expansion sleeve between belt pulley and flywheel and power transmission shaft, thereby make the parts that cooperatively interact fixing more reliable, guaranteed security of operation.
Be provided with the sieve of the some dimension stones of screening due to sieve nest, thereby when the building stones of different size pass through the different size sieve, enter different building stones district, screening effect is good, has improved operating efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of Fig. 1 medium power device;
Fig. 3 is the structural representation of sieve nest in Fig. 1;
In figure, the 1-bolt; The 2-plain cushion; The 3-packing ring; The 4-gland; The 5-flat key; The 6-belt pulley; 7-two end axles bearing gland; The 8-clutch shaft bearing; The 9-power transmission shaft; 10-two end axles bearing; 11-eccentric bushing bearing; The 12-eccentric bushing; The 13-connecting rod; 14-the second bearing; 15-eccentric bushing gland; The 16-flywheel, the 17-expansion sleeve; The 18-sieve; The 19-power set; The 20-sieve nest; 21-sieves a body; The 22-motor; The 23-projection.
The specific embodiment
, in order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
as shown in Figure 1, this eccentric vibrating reciprocating screen comprises the sieve nest 20 by driver drives, this driver comprises the power set 19 that are provided with successively, connecting rod 13 and a sieve body 21, be provided with connecting rod 13 between these power set 19 and a sieve body 21, be hinged with a sieve body 21 between this connecting rod 13 and sieve nest 20, this sieve nest 20 is provided with the sieve 18(of some screening different size building stones referring to Fig. 3), this sieve nest 20 can be set to one deck or two-layer, these power set 19, connecting rod 13 and a sieve body 21 are fixing entire combination, these power set 19 comprise the belt pulley 6 of transmission of power, this belt pulley 6 is connected by V-belt with motor 22.
as shown in Figure 2, these power set 19 also comprise the power transmission shaft 9 that is rotatably installed on transmission case, this power transmission shaft 9 is provided with eccentric bushing 12 and by flat key 5, connects, the outer race of this eccentric bushing 12 is equipped with eccentric bushing bearing 11, this eccentric bushing bearing 11 is provided with the projection 23 that connects connecting rod 13, be provided with the second bearing 14 between this eccentric bushing 12 and eccentric bushing bearing 11, this second bearing 14 is preferably rolling bearing, be interference fit between the outer ring of this rolling bearing and eccentric bushing bearing 11, the inner ring of this rolling bearing and eccentric bushing 12 are interference fit, this eccentric bushing 12 and eccentric bushing bearing 11 are provided with and limit axially mobile eccentric bushing gland 15 of rolling bearing, be equipped with the clutch shaft bearing 8 that supports fixed conveyor axle 9 on the power transmission shaft 9 of these eccentric bushing 12 both sides, the outer bearings at both ends seat 10 that is arranged with of this clutch shaft bearing 8, this two end axles bearing 10 is provided with two end axles bearing gland 7.
This sieve body 21 comprises sieve head bearing support, bearing and a sieve axle, and this sieve head bearing support is provided with projection, and the two ends of connecting rod 13 are welded on respectively on the projection 13 and sieve head bearing support projection of eccentric bushing bearing 11, and this sieve axle is connected with sieve nest 20 by the clip plate.
This belt pulley 6 is provided with plain cushion 2 and the packing ring 3 of seal transmission shaft 9 ends, and fixing by bolt 1; An end relative with belt pulley 6 on this power transmission shaft 9 is provided with flywheel 16, all by flat key 5, is connected between this flywheel 16 and belt pulley 9 and power transmission shaft 9, is equipped with expansion sleeve 17 between this flywheel 16 and belt pulley 6 and power transmission shaft 9.
in actual applications, the belt pulley 6 that drives on power set 19 by motor 22 rotates, thereby driving power transmission shaft 9 rotates, and then the eccentric bushing 12 that drives on power transmission shaft 9 rotates, driving eccentric bushing bearing 11 by rolling bearing simultaneously swings, make connecting rod 13 drive a sieve body 21, and then drive sieve nest 20 motions, reach the screening purpose, because the movement locus of eccentric bushing 12 is oval, thereby realized the building stones through sieve nest 20 are loosened and sieve, adopt this structure running smooth, energy-efficient, effectively reduced wear rate, improved service life, reduced use cost, reduced production cost, reduced cost of investment, and simple in structure, easy to maintenance, practical.
, in order to improve screening efficiency and screening effect, be equipped with some sieves 18 of screening different size building stones on this sieve nest 20.
the eccentric vibrating reciprocating screen that the utility model provides comprises the sieve nest 20 by driver drives, this driver comprises the power set that are provided with successively, connecting rod 13 and a sieve body 21, these power set, connecting rod 13 and a sieve body 21 are fixing entire combination, these power set comprise the belt pulley 6 of transmission of power, this belt pulley 6 is connected by V-belt with motor 22, these power set 19 also comprise the power transmission shaft 9 that is rotatably installed on transmission case, be installed with eccentric bushing 12 on this power transmission shaft 9, the periphery of this eccentric bushing 12 is set with eccentric bushing bearing 11, this eccentric bushing bearing 11 connects connecting rod 13, be provided with rolling bearing between this eccentric bushing 12 and eccentric bushing bearing 11, be interference fit between the outer ring of this rolling bearing and eccentric bushing bearing, the inner ring of this rolling bearing and eccentric bushing 12 are interference fit.thereby power set 19 drive power transmission shaft 9 and rotate, and then drive eccentric bushing 12 rotates and eccentric bushing bearing 11 swings, realized the motion of the sieve that links together with connecting rod 13 body 21 and sieve nest 20, reach the screening purpose, because the movement locus of eccentric bushing 12 is oval, thereby realized the building stones through sieve nest 20 are loosened and sieve, adopt this structure running smooth, energy-efficient, effectively reduced wear rate, improved service life, reduced use cost, reduced production cost, reduced cost of investment, and simple in structure, easy to maintenance, practical.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. eccentric vibrating reciprocating screen, comprise the sieve nest by driver drives, described driver comprises the power set that are provided with successively, connecting rod and a sieve body, described power set, described connecting rod and a described sieve body are fixing entire combination, described power set comprise the belt pulley of transmission of power, described belt pulley is connected by V-belt with motor, it is characterized in that, described power set also comprise the power transmission shaft that is rotatably installed on transmission case, be installed with eccentric bushing on described power transmission shaft, the periphery of described eccentric bushing is set with the eccentric bushing bearing, described eccentric bushing bearing connects described connecting rod, be provided with rolling bearing between described eccentric bushing and described eccentric bushing bearing, be interference fit between the outer ring of described rolling bearing and described eccentric bushing bearing, the inner ring of described rolling bearing and described eccentric bushing are interference fit.
2. eccentric vibrating reciprocating screen according to claim 1, is characterized in that, is equipped with projection on described eccentric bushing bearing and a described sieve body, and the two ends welded and installed of described connecting rod is on described projection, and described sieve head bearing support is fixedly installed on described sieve nest.
3. eccentric vibrating reciprocating screen according to claim 2, it is characterized in that, described motor drives the driver belt pulley by V-belt, described belt pulley connects described power transmission shaft, an end relative with described belt pulley on described power transmission shaft is provided with flywheel, is equipped with expansion sleeve between described belt pulley and described flywheel and described power transmission shaft.
4. according to claim 1 and 2 or 3 described eccentric vibrating reciprocating screens, is characterized in that, described sieve nest is provided with the sieve of the some dimension stones of screening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203127467U CN203292071U (en) | 2013-05-31 | 2013-05-31 | Eccentric vibration reciprocating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203127467U CN203292071U (en) | 2013-05-31 | 2013-05-31 | Eccentric vibration reciprocating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203292071U true CN203292071U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203127467U Expired - Fee Related CN203292071U (en) | 2013-05-31 | 2013-05-31 | Eccentric vibration reciprocating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203292071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259097A (en) * | 2014-09-11 | 2015-01-07 | 四川振东精科汽车总成系统有限公司 | Dynamic balance eccentric power device of rubber crushing mill rubber powder sieve and rubber crushing mill |
| CN109883898A (en) * | 2019-03-21 | 2019-06-14 | 中国矿业大学(北京) | Kinetic characteristic and kinetic characteristics experimental rig and pilot system |
-
2013
- 2013-05-31 CN CN2013203127467U patent/CN203292071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259097A (en) * | 2014-09-11 | 2015-01-07 | 四川振东精科汽车总成系统有限公司 | Dynamic balance eccentric power device of rubber crushing mill rubber powder sieve and rubber crushing mill |
| CN109883898A (en) * | 2019-03-21 | 2019-06-14 | 中国矿业大学(北京) | Kinetic characteristic and kinetic characteristics experimental rig and pilot system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |