CN1876252A - Side plate type circular motion eccentric block vibration exciter - Google Patents
Side plate type circular motion eccentric block vibration exciter Download PDFInfo
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- CN1876252A CN1876252A CN 200610052370 CN200610052370A CN1876252A CN 1876252 A CN1876252 A CN 1876252A CN 200610052370 CN200610052370 CN 200610052370 CN 200610052370 A CN200610052370 A CN 200610052370A CN 1876252 A CN1876252 A CN 1876252A
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Abstract
The disclosed side-plate circular-motion eccentric vibrator comprises: a main shaft, a bearing assembly on the shaft to form a sealing space with an oil sealing assembly, a centrifuge assembly on another side of the shaft, and an additional oil sprinkling tray on the bearing assembly for oil lubrication instead of fat lubrication. This invention reduces startup power, noise and maintenance cost, convenient to debug, and eliminates oil leakage to ensure normal work.
Description
[technical field]
The present invention relates to vibrator, relate in particular to circular motion eccentric block vibration exciter.
[background technology]
Departments such as stone pit, mine, building materials, traffic, the energy, chemical industry all will carry out gradation sizing to product, and screening is divided into equal-sized different particle group to solid particle exactly.Screening will be adopted screening machine, and the general configurable multilayer screen cloth of screening machine can accurate simultaneously, a plurality of particle sections of continuous sorting.
Screening machine generally is divided into straight line shaker and circular shale shaker.The operation principle of straight line shaker is: motor drives vibrator, eccentric block by shaft coupling and rotates the powerful centrifugal force of generation at a high speed, makes screen box do compulsory continuous motion.As ZSG series linear vibrating screen, being one is quality with moving parts such as screen box, vibrators, is flexible member with the rubber spring, is the screening plant of the simple substance amount forced vibration system of excitation structure with the vibrator.During work, two opposite motors of rotation direction drive vibrator, eccentric block with the different powerful centrifugal force of direction synchronous high-speed rotation generation by shaft coupling.In each instantaneous position, centrifugal force is along the stack mutually always of the component of direction of vibration, and with the perpendicular direction of direction of vibration, the component of centrifugal force is always cancelled each other, and therefore, has formed the single exciting force along direction of vibration, drives screen(ing) machine and does straight-line oscillation.After material falls into vibratory sieve, the time and thrown to the front upper place by cell body, make parabolic motion, the time and the return-enclosure that falls at the bottom of.Material is then made continuous sling movement with screen box on the compass screen surface that tilts: layering when throwing, the material particles less than sieve aperture when falling sieves thoroughly, and moves along the compass screen surface direction greater than the material particles of sieve aperture, discharges from the compass screen surface top at last, realizes the screening of material.Circular shale shaker generally is made up of main members such as screen box, bracing or strutting arrangement, vibrator and drive disk assemblies, and the barrel-type vibrator is installed in the body middle part, changes exciting force by the weight of adjusting eccentric block, to reach the purpose of adjusting amplitude.Bearing adopts grease lubrication, labyrinth seal, and V belt is adopted in transmission.
Circular motion eccentric block vibration exciter is also referred to as the YK vibrator, is the vitals in the circular shale shaker.Present YK vibrator all is the lubricating system work of adopting grease lubrication, and its result also is only applicable to grease lubrication, and starting power is big; Bearing life is short, on average less than 10,000 hours; The fault rate height; Safeguard frequently, will safeguard one to secondary, maintenance cost height in every month.Adopt balancing weight to adjust centrifugal force, debugging is trouble.The employing single shaft holds, and the distance of bearing guard is shorter, and the vibrator duty is stable inadequately.
[summary of the invention]
Purpose of the present invention solves the problems of the prior art exactly, proposes a kind of side plate type circular motion eccentric block vibration exciter, and starting power is little, and bearing life is long, and maintenance period is long, and maintenance cost is low.
For achieving the above object, the present invention proposes a kind of side plate type circular motion eccentric block vibration exciter, side plate type circular motion eccentric block vibration exciter, comprise main shaft, bearing assembly, Oil sealing assembly and centrifugal assembly, described bearing assembly is installed on the main shaft, constitutes seal cavity between Oil sealing assembly and the bearing assembly, and centrifugal assembly is installed in the opposite side of Oil sealing assembly on the main shaft, also comprise the oil application dish, described oil application dish is installed on the bearing assembly.
As preferably, comprise two eccentric blocks in the described centrifugal assembly, the cancellation balancing weight.
As preferably, also comprise second bearing assembly and body, the described bearing assembly and second bearing assembly are connected the two ends of body.
As preferably, bearing assembly comprises bearing block and bearing, and described bearing block is connected on the body, and bearing is installed in the bearing block.
As preferably, also comprise shaft shoulder ring washer, described shaft shoulder ring washer is arranged between main shaft and the Oil sealing assembly.
As preferably, described Oil sealing assembly comprises sealing ring and sealing ring end cap, and described sealing ring end cap inboard has oil-recovery tank, and sealing ring is arranged between shaft shoulder ring washer and the sealing ring end cap, and shaft shoulder ring washer, sealing ring end cap and sealing ring constitute a seal cavity.
As preferably, also comprise protective cover, described protective cover is arranged on the outside of all parts, is fixed on the end of main shaft by the linear axes adpting flange.
Beneficial effect of the present invention: the present invention improves the structure of traditional vibrator, increases the oil application dish, and the grease lubrication mode is improved to oil lubrication, and electric motor starting power is little, and bearing life is long, and fault rate is low, and maintenance period is long, and maintenance cost is low, and noise is little; Adopt two eccentric blocks to adjust angles and change centrifugal force and substitute and originally adjust centrifugal force with balancing weight, make debug more convenient; Adopt two bearings to reach independently body, increased the length of bearing guard, make the duty of vibrator more stable.Shaft shoulder ring washer, sealing ring end cap and sealing ring constitute a seal cavity, make vibrator ne-leakage oil phenomenon, have guaranteed the operate as normal of vibrator.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of side plate type circular motion eccentric block vibration exciter of the present invention;
Fig. 2 is the explosive view of side plate type circular motion eccentric block vibration exciter of the present invention.
[specific embodiment]
Embodiment one:
Fig. 1 is the structural representation of side plate type circular motion eccentric block vibration exciter of the present invention; Fig. 2 is the explosive view of side plate type circular motion eccentric block vibration exciter of the present invention.Comprise main shaft 17, bearing assembly, Oil sealing assembly and centrifugal assembly, described bearing assembly is installed on the main shaft 17, constitute seal cavity between Oil sealing assembly and the bearing assembly, centrifugal assembly is installed in the opposite side of Oil sealing assembly on the main shaft 17, also comprise oil application dish 12, described oil application dish 12 is installed on the bearing assembly.All symmetrically respectively on main shaft 17, left and right two oil application dishes 12 all design in the bearing inboard for bearing assembly, Oil sealing assembly and centrifugal assembly, and the oil application dish is two ends shape symmetry about in the of 12, need after the processing movingly to proofread and correct frequently, and eccentric the existence must not be arranged.
Be further to improve the stability of vibrator duty, bearing assembly is increased to two groups by original one group, the bearing assembly and second bearing assembly are connected to the two ends of body 15.Bearing assembly mainly comprises bearing block 10 and bearing 11, and described bearing block 10 is connected on the body 15, and bearing 11 is installed in the bearing block 10.Bearing block fixed screw 9 is fixed on bearing block 10 on the body 15.The preferred NJ series bearings that adopt of bearing 11, bearing 11 fuel supply method at work is a spilling formula fuel feeding, by 12 spillings of oil application dish, plays effects such as lubricated, heat radiation, cleaning.Render a service for the heat radiation that increases body 15, in design, adopt the casting of thin walled shell reinforcement method ball milling to form.Be provided with the tank filler sleeve 18 of oiling and exhaust dual-use function above body 15, the below is provided with drain oil 19.
Oil sealing assembly mainly comprises sealing ring 5 and sealing ring end cap 7, and described sealing ring end cap 7 inboards have oil-recovery tank.For guaranteeing the sealing of system, between main shaft 17 and sealing ring 5, be provided with shaft shoulder ring washer 8, sealing ring 5 outsides are sealing ring end caps 7, shaft shoulder ring washer 8, sealing ring end cap 7 constitute a seal cavity with sealing ring 5.Sealing ring end cap 7 is fixed on the bearing block 10 by sealing ring fixed screw 6.Sealing ring end cap 7 is provided with oily viewed in plan hole, and seal by observing screw 20 at ordinary times in oily viewed in plan hole.
Change original balancing weight into eccentric block.Like this, just respectively there are two same eccentric blocks 4 on main shaft 17 both sides, as long as change the exciting force that the angle of eccentric block 4 just can obtain 0-100%.
Each parts outside also is provided with protective cover 2, is fixed on the end of main shaft 17 by linear axes adpting flange 1.Protective cover 2 two ends are fixed on the body 15 by protective cover fixed screw 3.Body 15 is fixed together with mounting flange 14 by installing and fixing screw 13 and installing and fixing nut 16.
Right-hand member at main shaft 17 is fixed with belt pulley 21 and axle card 22, and belt pulley 21 abuts against the outside of protective cover 2, and axle card 22 old place functions are on main shaft 17, and belt pulley 21 is fixing.The size that changes belt pulley just can obtain different vibration frequencies.The present invention is simple in structure, simple installation, when just using 2000 hours more change engine oil once, reason is that the break-in meeting of using time tool just produces metal particle and discharges with machine oil, changes once in 1 year after the defuelling.
Power source can adopt single motor or two low-power machines, make main shaft 17 rotary works by motor drives belt pulley 21, the eccentric mass of eccentric block 4 produces inertia force under the rotation of main shaft 17, and under this power effect, institute's installed device is done circular motion on the vibrator.Change the angle of eccentric block 4, will obtain different centrifugal force.
The present invention adopts oil lubrication, make that the vibrator dynamic loading is little, in the work, 12 pairs of bearings 11 of main shaft 17 central two oil application dishes constantly provide the power of oil, make bearing 11 lubricated fully, clean and obtain self-cleaning and heat radiation, thereby reduced rub-moment, reduced noise, improved the life-span of bearing greatly.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any structure after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (7)
1. side plate type circular motion piece eccentric activator, comprise main shaft (17), bearing assembly, Oil sealing assembly and centrifugal assembly, described bearing assembly is installed on the main shaft (17), constitute seal cavity between Oil sealing assembly and the bearing assembly, centrifugal assembly is installed in the opposite side that main shaft (17) is gone up Oil sealing assembly, it is characterized in that: also comprise oil application dish (12), described oil application dish (12) is installed on the bearing assembly.
2. side plate type circular motion piece eccentric activator as claimed in claim 1 is characterized in that: comprise two eccentric blocks (4) in the described centrifugal assembly, the cancellation balancing weight.
3. side plate type circular motion piece eccentric activator as claimed in claim 1 or 2 is characterized in that: also comprise second bearing assembly and body (15), the described bearing assembly and second bearing assembly are connected the two ends of body (15).
4. side plate type circular motion piece eccentric activator as claimed in claim 3 is characterized in that: bearing assembly comprises bearing block (10) and bearing (11), and described bearing block (10) is connected on the body (15), and bearing (11) is installed in the bearing block (10).
5. side plate type circular motion piece eccentric activator as claimed in claim 1 or 2 is characterized in that: also comprise shaft shoulder ring washer (8), described shaft shoulder ring washer (8) is arranged between main shaft (17) and the Oil sealing assembly.
6. side plate type circular motion piece eccentric activator as claimed in claim 5, it is characterized in that: described Oil sealing assembly comprises sealing ring (5) and sealing ring end cap (7), described sealing ring end cap (7) inboard has oil-recovery tank, sealing ring (5) is arranged between shaft shoulder ring washer (8) and the sealing ring end cap (7), and shaft shoulder ring washer (8), sealing ring end cap (7) constitute a seal cavity with sealing ring (5).
7. side plate type circular motion piece eccentric activator as claimed in claim 1 or 2 is characterized in that: also comprise protective cover (2), described protective cover (2) is arranged on the outside of all parts, is fixed on the end of main shaft (17) by linear axes adpting flange (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610052370 CN1876252A (en) | 2006-07-07 | 2006-07-07 | Side plate type circular motion eccentric block vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610052370 CN1876252A (en) | 2006-07-07 | 2006-07-07 | Side plate type circular motion eccentric block vibration exciter |
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| Publication Number | Publication Date |
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| CN1876252A true CN1876252A (en) | 2006-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610052370 Pending CN1876252A (en) | 2006-07-07 | 2006-07-07 | Side plate type circular motion eccentric block vibration exciter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823052A (en) * | 2009-03-07 | 2010-09-08 | 李卓 | Vibration exciting device of vibrating screen |
| CN101941002A (en) * | 2009-07-10 | 2011-01-12 | 李卓 | Vibration exciter |
| CN102343328A (en) * | 2011-10-13 | 2012-02-08 | 山东博润工业技术有限公司 | Online adjustable exciting vibration equipment |
| CN103480558A (en) * | 2013-10-10 | 2014-01-01 | 中联重科股份有限公司 | Vibration exciter and vibrating screen |
| CN104226588A (en) * | 2013-06-21 | 2014-12-24 | 镇江德隆机电设备有限公司 | Method for changing slow discharge of vibrating screen classifier |
| CN110743771A (en) * | 2019-09-12 | 2020-02-04 | 浙江浙矿重工股份有限公司 | Combined vibration exciter with internal and external eccentric blocks |
-
2006
- 2006-07-07 CN CN 200610052370 patent/CN1876252A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823052A (en) * | 2009-03-07 | 2010-09-08 | 李卓 | Vibration exciting device of vibrating screen |
| CN101941002A (en) * | 2009-07-10 | 2011-01-12 | 李卓 | Vibration exciter |
| CN102343328A (en) * | 2011-10-13 | 2012-02-08 | 山东博润工业技术有限公司 | Online adjustable exciting vibration equipment |
| CN102343328B (en) * | 2011-10-13 | 2013-05-08 | 山东博润工业技术股份有限公司 | Online adjustable exciting vibration equipment |
| CN104226588A (en) * | 2013-06-21 | 2014-12-24 | 镇江德隆机电设备有限公司 | Method for changing slow discharge of vibrating screen classifier |
| CN103480558A (en) * | 2013-10-10 | 2014-01-01 | 中联重科股份有限公司 | Vibration exciter and vibrating screen |
| CN103480558B (en) * | 2013-10-10 | 2015-09-16 | 中联重科股份有限公司 | Vibration exciter and vibrating screen |
| CN110743771A (en) * | 2019-09-12 | 2020-02-04 | 浙江浙矿重工股份有限公司 | Combined vibration exciter with internal and external eccentric blocks |
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Open date: 20061213 |