CN102814274A - Novel self-synchronizing vibrating screen with wide screen surface - Google Patents
Novel self-synchronizing vibrating screen with wide screen surface Download PDFInfo
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- CN102814274A CN102814274A CN2011101551652A CN201110155165A CN102814274A CN 102814274 A CN102814274 A CN 102814274A CN 2011101551652 A CN2011101551652 A CN 2011101551652A CN 201110155165 A CN201110155165 A CN 201110155165A CN 102814274 A CN102814274 A CN 102814274A
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Abstract
The invention provides a novel self-synchronizing vibrating screen with a wide screen surface. A long exciting motor with four bearings mounted on one long shaft is changed into common short anti-vibration drive motors which are mounted on a middle supporting wallboard (or middle supporting truss girder) of a screen box, and then the short anti-vibration drive motors and eccentric exciting blocks mounted on two side boards of the screen box are assembled to form the novel self-synchronizing vibrating screen through claw type flexible connection (or adhesive coupling). In terms of the screen surface structure, the original large integral screen is changed into two narrow sub screens connected in parallel by the method of connecting one edge of each of the sub screens to a corresponding fixed hook edge on the middle supporting wallboard (or middle supporting truss girder) in an inserted manner while connecting the other edge of each sub screen to a movable hook edge on the corresponding side board of the screen box by a bolt. The vibration mode of the screen box can be designed and determined according to theories of 'center of force of an inertia vibrating screen' and 'unequal mass-radius product follow self-synchronization and synchronization state stability', and accordingly the screen box can vibrate in vibration modes with different tracks.
Description
Technical field
Patent of the present invention relates to the vibratory sieve of the liquid-solid control mutually of oil and gas well drilling, mud conditioning, muddy water processing and material screening, de-mediated and conveying, the vibratory sieve that comprises oil and gas well drilling, passes through engineering, uses in the industry department operation such as Hydraulic and Hydro-Power Engineering, underground space engineering, shield structure engineering, city construction engineering, ore dressing, coal separation, chemical industry, medicine, food, non-ferrous metal, transmission.
Background technology
Along with in domestic and international drilling fluid solid control, mud conditioning, muddy water processing and material screening and the conveying operation widely used vibratory sieve increasingly high to the demand that de-mediated, Separation of Solid and Liquid, solid phase particles classification and screening efficiency and treating capacity improve; To widening compass screen surface; The requirement that prolongs compass screen surface is more and more urgent; Compass screen surface is widened can increase treating capacity, and compass screen surface prolongs can improve solid-liquid separation effect.And so; The new contradiction that is faced is exactly the decline of wide screen box integral rigidity; The increase of wide screen box quality and long screen box quality descends the main dynamic performance parameter of vibratory sieve, and more difficult is that existing microscler shock electric machine both domestic and external and brachmorphy shock electric machine all can't satisfy big exciting force and requirement high-power and the screen box large span.For this reason; Patented technology of the present invention adopts novel excitation system and fixes on one side, the parallelly connected mesh structure of another side bolt tensioning; Both solved requirement, solved the difficult problem that wide, long screen cloth manufacturing is installed again big exciting force, high-power and large span vibrator.Like this, just can better meet vibratory sieve to more and more urgent high-leveled and difficult demands such as de-mediated, Separation of Solid and Liquid, solid phase particles classification, mass transport, screening efficiency and treating capacity raisings.
Wide screen box is installed on the support by the supporting shock-absorbing spring, does or vibration round or straight line or the balanced elliptic or the various different tracks vibration shapes such as change straight line or change ellipse through excitation system excitation screen box.
Patented technology of the present invention in oil and gas well drilling, Hydraulic and Hydro-Power Engineering, underground space engineering, pass through in the operation of industry department institute use vibratory sieves such as engineering, shield structure engineering, city construction engineering, ore dressing, coal separation, chemical industry, medicine, food, non-ferrous metal, transmission and all can be suitable for.
Summary of the invention
Patent of the present invention can provide a kind of elemental body motor synchronizing inertia vibrating screen by novel excitation system excitation.
It is based in the novel excitation system the microscler shock electric machine that four bearings are installed on major axis of former cause; It is changed into by the general brachmorphy antivibration driving motor that is installed in screen box intermediate supports wallboard (or sub-truss beam) on the structure and form with the eccentricity excitation piece that is installed on the side plate of screen box both sides through inserting grab flexibly connect (or viscous coupling); Relaxed requirement greatly to machine shaft and eccentricity excitation piece rotating shaft installation concentricity (same rotational axis line); And; The antivibration driving motor no longer bears radial load, makes power, quality and the appearance and size etc. of antivibration driving motor greatly to reduce.See to be the supporting structure that the statically indeterminate motor bearing mode of high order is changed into the freely-supported beam type of static determinacy exactly originally from the mechanics angle; Thereby; The stressing conditions and the motor that have greatly improved motor are installed the restriction of span, for develop wide compass screen surface, long compass screen surface vibratory sieve has been created the good premise condition.
In its compass screen surface structure aspects; To be originally install the very restricted screen cloth of width change into on one side with intermediate supports wallboard (or sub-truss beam) on the limit of fixedly purchasing adopt plug-in type to be connected; Another side adopts bolted two parallelly connected versions of narrow shape screen cloth with the activity crochet on the side plate of screen box both sides, and this has created good condition for the use of wide compass screen surface crochet screen cloth again.
The screen box vibration vibration shape of wide compass screen surface sieve can design definite according to " the inertia vibrating screen centre of force is theoretical " and " non-etc. mass-radius product follow motor synchronizing and synchronous regime Theory of Stability ".Screen box is done or vibration round or straight line or the balanced elliptic or the various different tracks vibration shapes such as change straight line or change ellipse.
The technical scheme that patent of the present invention adopts is following:
A kind of new molded breadth compass screen surface self-synchronizing vibrating screen of patent of the present invention is mainly by screen box (1); Supporting shock-absorbing spring (2); Eccentricity excitation piece (3); Band is inserted the flexible drive axle (or viscous coupling) (4) of pawl; Brachmorphy antivibration driving motor (5); { (3); (4); (5) form novel excitation system }; Fixedly crochet (6) on the screen box intermediate supports wallboard (or sub-truss beam) (10); Sieve box side plate (7); Vibratory sieve base (8); Activity crochet on the sieve box side plate (7) and bolt (9); Screen box intermediate supports wallboard (or sub-truss beam) (10); Screen box dip angle adjusting mechanism (11); Ring flange (12); Bearing block (13); Crochet screen cloth compositions such as (14).
Screen box (1) is done through exciting excitation system (3), (4), (5) self-synchronization exciting or vibration round or straight line or the balanced elliptic or the various different tracks vibration shapes such as change straight line or change ellipse.
Novel excitation system (3), (4), (5) both can adopt ring flange (12) plug-in type to be installed in screen box intermediate supports wallboard (or sub-truss beam) (10) and the sieve box side plate (7).Also can adopt bearing block (13) to be installed in the upper edge of screen box intermediate supports wallboard (or sub-truss beam) (10) and sieve box side plate (7).
The flexible drive axle (or viscous coupling) (4) of inserting pawl through band between antivibration driving motor (5) and the eccentricity excitation piece (3) is connected, and its length is unrestricted, also can relax the axiality installation requirement of its turning cylinder.
The lateral tension of crochet screen cloth (14) adopts crochet on one side directly to be inserted in the fixedly crochet (6) of screen box intermediate supports wallboard (or sub-truss beam), and another side carries out tensioning with activity crochet and bolt (9).Like this, both having simplified the mounting means of screen cloth, simultaneously, will be again that whole Zhang Kuanda screen cloth has been divided into undersized sub-piece screen cloth originally, increase the intensity and the service life of screen cloth.
The realization of the various different tracks vibration shapes of screen box (1) can be through realizing the antivibration driving motor (5) of two cover novel excitation systems (3), (4), (5) and power and the different collocation of exciting force and the design adjustment of installation site of eccentricity excitation piece (3).
Screen box (1) also can sieve the adjustment that dip angle adjusting mechanism (11) is put in order riddler's screen box (1) gradient when doing through whole.
Compared with prior art, the advantage of patent of the present invention is:
The following characteristics of a kind of new molded breadth compass screen surface self-synchronizing vibrating screen of patent of the present invention are not all being seen identical structure on the vibratory sieve of the same type both domestic and external now.
(1) a kind of new molded breadth compass screen surface self-synchronizing vibrating screen of patent of the present invention; Owing to adopted by both being related each other (flexible drive axle (or viscous coupling) that can adjust the slotting pawl of band through length is connected); The novel excitation system of forming by the brachmorphy antivibration driving motor and the eccentricity excitation piece of relative independentability again simultaneously; Greatly improved the force-bearing situation of microscler vibrator, and relaxed the installation requirement to microscler vibrator, this is the most novel both at home and abroad at present a kind of structure.
(2) owing to having adopted brachmorphy antivibration driving motor is installed on the intermediate supports wallboard (or sub-truss beam) of screen box; The eccentricity excitation piece is installed on the sieve box side plate; Separate to each other; Only can adjust through length and be with the flexible drive axle (or viscous coupling) of inserting pawl to be connected, this has just improved the stressed and operational situation of motor and eccentric block greatly.
(3) owing to having adopted brachmorphy antivibration driving motor is installed on the intermediate supports wallboard (or sub-truss beam) of screen box; The eccentricity excitation piece is installed on the sieve box side plate; Separate to each other; Only can adjust band and insert the flexible drive axle (or viscous coupling) of pawl and be connected, also just make the width of compass screen surface no longer receive the limitation of excitation system length through length.
(4), thereby the degree of disturbing at whole novel excitation system middle part is reduced greatly owing to the brachmorphy antivibration driving motor of forming in the novel excitation system is installed on the intermediate supports wallboard (or sub-truss beam) of screen box.Simultaneously, make the intensity of whole novel excitation system guarantee to be greatly enhanced.
(5) because relatively independent being installed on the sieve box side plate of eccentricity excitation piece; Only can adjust through length is with the flexible drive axle (or viscous coupling) of inserting pawl to be connected with brachmorphy antivibration driving motor; Thereby on brachmorphy antivibration driving motor, no longer bear the radially effect of exciting force of eccentricity excitation piece, the life-span of whole excitation system and reliability are improved greatly.
(6) since the antivibration driving motor of novel excitation system and eccentricity excitation piece both can adopt ring flange carry out plug-in type be installed in the screen box intermediate supports wallboard (or sub-truss beam) and screen box both sides side plate in; Also can adopt bearing block to carry out the screen box overhead and be installed in the upper edge of screen box intermediate supports wallboard (or sub-truss beam) and the upper edge of screen box both sides side plate; Make the convenient and flexible installation of novel excitation system, can adapt to the different demands that corresponding sieve type is installed novel excitation system.
(7) owing to adopted the lateral tension of crochet screen cloth to adopt crochet on one side directly to be inserted in the fixedly crochet of screen box intermediate supports wallboard (or sub-truss beam); Another side carries out tensioning with activity crochet and bolt; With being that whole roomy screen cloth is converted into the combination by small-sized sub-piece screen cloth originally, this has just improved screen cloth tensioning, installation and the stressing conditions of roomy compass screen surface vibratory sieve.
(8), thereby make the integral rigidity of wide screen box and bulk strength all obtain further raising and reinforcement owing on wide screen box structure, adopted screen box intermediate supports wallboard (or sub-truss beam).This helps applying of wide compass screen surface sieve and long compass screen surface sieve.
Description of drawings
Fig. 1 is a kind of side view of the novel excitation system mounting means of a kind of new molded breadth compass screen surface self-synchronizing vibrating screen of patent of the present invention.
Fig. 2 is the structure schematic top plan view of Fig. 1.
Fig. 3 is the side view of the another kind of mounting means of novel excitation system of a kind of new molded breadth compass screen surface self-synchronizing vibrating screen of patent of the present invention.
Fig. 4 is the structure schematic top plan view of Fig. 3.
The specific embodiment
Further specify patent of the present invention below in conjunction with accompanying drawing.
Embodiment:
Referring to Fig. 1, Fig. 2
A kind of new molded breadth compass screen surface self-synchronizing vibrating screen of patent of the present invention is mainly by screen box (1); Supporting shock-absorbing spring (2); Eccentricity excitation piece (3); Band is inserted the flexible drive axle (or viscous coupling) (4) of pawl; Brachmorphy antivibration driving motor (5); { (3); (4); (5) form novel excitation system }; Fixedly crochet (6) on the screen box intermediate supports wallboard (or sub-truss beam) (10); Sieve box side plate (7); Vibratory sieve base (8); Activity crochet on the sieve box side plate (7) and bolt (9); Screen box intermediate supports wallboard (or sub-truss beam) (10); Screen box dip angle adjusting mechanism (11); Ring flange (12); Bearing block (13); Crochet screen cloth compositions such as (14).
Screen box (1) is done through exciting excitation system (3), (4), (5) self-synchronization exciting or vibration round or straight line or the balanced elliptic or the various different tracks vibration shapes such as change straight line or change ellipse.
Novel excitation system (3), (4), (5) can adopt ring flange (12) plug-in type to be installed in screen box intermediate supports wallboard (or sub-truss beam) (10) and the sieve box side plate (7).
The flexible drive axle (or viscous coupling) (4) of inserting pawl through band between antivibration driving motor (5) and the eccentricity excitation piece (3) is connected, and its length is unrestricted, also can relax the axiality installation requirement of its turning cylinder.
The lateral tension of crochet screen cloth (14) adopts crochet on one side directly to be inserted in the fixedly crochet (6) of screen box intermediate supports wallboard (or sub-truss beam), and another side carries out tensioning with activity crochet and bolt (9).Like this, both having simplified the mounting means of screen cloth, simultaneously, will be again that whole Zhang Kuanda screen cloth has been divided into undersized sub-piece screen cloth originally, increase the intensity and the service life of screen cloth.
The realization of the various different tracks vibration shapes of screen box (1) can be through realizing the antivibration driving motor (5) of two cover novel excitation systems (3), (4), (5) and power and the different collocation of exciting force and the design adjustment of installation site of eccentricity excitation piece (3).
Screen box (1) also can sieve the adjustment that dip angle adjusting mechanism (11) is put in order riddler's screen box (1) gradient when doing through whole.
Referring to Fig. 3, Fig. 4
As stated, novel excitation system (3), (4), (5) upper edge that also can adopt bearing block (13) to be installed in screen box intermediate supports wallboard (or sub-truss beam) (10) and sieve box side plate (7) overhead that constitutes novel excitation system (3), (4), (5) is installed.
Claims (7)
1. new molded breadth compass screen surface self-synchronizing vibrating screen is mainly inserted activity crochet and bolt (9) on fixedly crochet (6) on the flexible drive axle (or viscous coupling) (4), brachmorphy antivibration driving motor (5), { novel excitation system is formed in (3), (4), (5) }, screen box intermediate supports wallboard (or sub-truss beam) (10) of pawl, sieve box side plate (7), vibratory sieve base (8), the sieve box side plate (7), screen box dip angle adjusting mechanism (11) etc. by wide screen box (1), supporting shock-absorbing spring (2), eccentricity excitation piece (3), the band of band intermediate supports wallboard (or sub-truss beam) (10) and is formed;
Screen box (1) is done through novel excitation system (3), (4), (5) self-synchronization exciting or vibration round or straight line or the balanced elliptic or the various different tracks vibration shapes such as change straight line or change ellipse;
The adjustment of gradient when screen box (1) also can carry out screen box work through screen box dip angle adjusting mechanism (11).
2. a kind of new molded breadth compass screen surface self-synchronizing vibrating screen according to claim 1; It is characterized in that: the middle part of wide screen box (1) has support wallboard (or sub-truss beam) (10) to be used for supporting installation novel excitation system (3), (4), (5), plays the effect that increases screen box (1) integral rigidity simultaneously again.
3. a kind of new molded breadth compass screen surface self-synchronizing vibrating screen according to claim 1; It is characterized in that: novel excitation system (3), (4), (5) are made up of the eccentricity excitation piece (3) that is installed in the antivibration driving motor (5) on the screen box intermediate supports wallboard (or sub-truss beam) (10) and be installed on the screen box both sides side plates (7); Use the fork pawl that is installed on the machine shaft to realize that with the mutual pairing of the fork pawl (4) on being installed in the rotating shaft of eccentricity excitation piece inserting grab flexible (or viscous coupling) is connected, and has relaxed the requirement to machine shaft and eccentricity excitation piece rotating shaft installation concentricity (same rotational axis line) between antivibration driving motor (5) and the eccentricity excitation piece (3).
4. a kind of new molded breadth compass screen surface self-synchronizing vibrating screen according to claim 1; It is characterized in that: the eccentricity excitation piece (3) of novel excitation system (3), (4), (5) in order to be connected with antivibration driving motor (5) the axle (4) length unrestricted, can well satisfy the requirement of wide compass screen surface screen box (1).
5. a kind of new molded breadth compass screen surface self-synchronizing vibrating screen according to claim 1 is characterized in that: the antivibration driving motor (5) of novel excitation system (3), (4), (5) and eccentricity excitation piece (3) both can adopt ring flange (12) carry out plug-in type be installed in the screen box intermediate supports wallboard (or sub-truss beam) (10) with screen box both sides side plates (7) in; Also can adopt bearing block (13) to carry out the screen box overhead and be installed in the upper edge of screen box intermediate supports wallboard (or sub-truss beam) (10) and the upper edge of screen box both sides side plates (7).
6. a kind of new molded breadth compass screen surface self-synchronizing vibrating screen according to claim 1; It is characterized in that: the lateral tension of crochet screen cloth (14) adopts crochet on one side directly to be inserted in the fixedly crochet (6) of screen box intermediate supports wallboard (or sub-truss beam) (10), and another side carries out tensioning with activity crochet and bolt (9).
7. a kind of new molded breadth compass screen surface self-synchronizing vibrating screen according to claim 1; It is characterized in that: the realization of the various different tracks vibration shapes of screen box (1), can be through the antivibration driving motor (5) of two cover novel excitation systems (3), (4), (5) and power and the different collocation of exciting force and the design adjustment of installation site of eccentricity excitation piece (3) be realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101551652A CN102814274A (en) | 2011-06-10 | 2011-06-10 | Novel self-synchronizing vibrating screen with wide screen surface |
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| CN2011101551652A CN102814274A (en) | 2011-06-10 | 2011-06-10 | Novel self-synchronizing vibrating screen with wide screen surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028456A (en) * | 2014-06-25 | 2014-09-10 | 张劲南 | Ultra-wide multilayer vibrating screen |
| CN110575953A (en) * | 2019-10-19 | 2019-12-17 | 横县南香茶厂 | Variable-straight-line tea vibrating screen |
| CN111842125A (en) * | 2020-08-08 | 2020-10-30 | 鞍山重型矿山机器股份有限公司 | Large screening machine with self-synchronous synthetic linear track of single-shaft vibration exciter |
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| JP2000262974A (en) * | 1999-03-18 | 2000-09-26 | Oji Techno Engineering Co Ltd | Vibrating screen |
| CN2628161Y (en) * | 2003-07-28 | 2004-07-28 | 西南石油学院 | Vibrating screen vibration exciter |
| CN201012357Y (en) * | 2007-03-17 | 2008-01-30 | 宜昌黑旋风工程机械有限公司 | Large sieve cover laminated net multiple-electric machine mixed-row self-synchronizing novel vibrating screen |
| CN101428277A (en) * | 2008-03-18 | 2009-05-13 | 德阳源丰石油工程技术有限公司 | Large-span vibrator |
| CN101733247A (en) * | 2010-01-14 | 2010-06-16 | 潘德歧 | Plug-in vibration exciter adapting to different spans |
| CN201751530U (en) * | 2010-05-13 | 2011-02-23 | 四川宏华友信石油机械有限公司 | Drilling fluid vibrating screen |
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2011
- 2011-06-10 CN CN2011101551652A patent/CN102814274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262974A (en) * | 1999-03-18 | 2000-09-26 | Oji Techno Engineering Co Ltd | Vibrating screen |
| CN2628161Y (en) * | 2003-07-28 | 2004-07-28 | 西南石油学院 | Vibrating screen vibration exciter |
| CN201012357Y (en) * | 2007-03-17 | 2008-01-30 | 宜昌黑旋风工程机械有限公司 | Large sieve cover laminated net multiple-electric machine mixed-row self-synchronizing novel vibrating screen |
| CN101428277A (en) * | 2008-03-18 | 2009-05-13 | 德阳源丰石油工程技术有限公司 | Large-span vibrator |
| CN101733247A (en) * | 2010-01-14 | 2010-06-16 | 潘德歧 | Plug-in vibration exciter adapting to different spans |
| CN201751530U (en) * | 2010-05-13 | 2011-02-23 | 四川宏华友信石油机械有限公司 | Drilling fluid vibrating screen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028456A (en) * | 2014-06-25 | 2014-09-10 | 张劲南 | Ultra-wide multilayer vibrating screen |
| CN110575953A (en) * | 2019-10-19 | 2019-12-17 | 横县南香茶厂 | Variable-straight-line tea vibrating screen |
| CN111842125A (en) * | 2020-08-08 | 2020-10-30 | 鞍山重型矿山机器股份有限公司 | Large screening machine with self-synchronous synthetic linear track of single-shaft vibration exciter |
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Application publication date: 20121212 |