CN100381711C - Apparatus of exactly centring for rotation shaft - Google Patents
Apparatus of exactly centring for rotation shaft Download PDFInfo
- Publication number
- CN100381711C CN100381711C CNB2005100477488A CN200510047748A CN100381711C CN 100381711 C CN100381711 C CN 100381711C CN B2005100477488 A CNB2005100477488 A CN B2005100477488A CN 200510047748 A CN200510047748 A CN 200510047748A CN 100381711 C CN100381711 C CN 100381711C
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- Prior art keywords
- running shaft
- gland
- supporting sleeve
- head
- bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/10—Bearings, parts of which are eccentrically adjustable with respect to each other
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention relates to an apparatus of exactly centring for a rotary shaft used in the mechanical technical field of steel rolling. The present invention is composed of a rotary shaft, a centring expanding sleeve, a bearing sleeve, a pressing bolt, an angular contact ball bearing a spacing ring, an eccentric sleeve, a pressing cap, a sleeve, a round nut, etc. The structure has no original fit clearance and the fit clearance can be automatically compensated after uniform abrasion. The kernel of the present invention lies in that a centring expanding sleeve with a conical internal part and a cylindrate external part is added between the head of the rotary shaft and the bearing sleeve or the cylindrate inner hole of a bearing, and the external circle of the centring expanding sleeve cooperates with the bearing sleeve of the cylindrical inner hole of the bearing. An external cone matching surface corresponding to the centring expanding sleeve is arranged on the head of the rotary shaft, and the pressing bolt is connected with the centre of the rotary shaft; the centring expanding sleeve is expanded and fixed between the rotary shaft and the bearing sleeve by the pressing bolt through a movable guiding pressing sleeve in an inner hole of the bearing sleeve. The apparatus can solve the problem that the rotating accuracy of the rotary shaft is influenced by radial runout generated due to an original loose fitting clearance and an enlarged clearance after abrasion existing in frequently loading and unloading the shaft heads of high-accuracy rotary shafts and fitting holes in work.
Description
Technical field:
The present invention relates to the centring means that axis metal-slitting machine running shaft head uses in a kind of running shaft centring means, the especially rolling machinery.
Background technique:
At present, in the continuous finishing unit, rip cutting unit center heart equipment circle shear is used for the limit portion of shear band steel, or Wide Flat Steel is carried out itemize.Shaft type side cut or itemize circle shear are sharp for the cutting edge that guarantees the disc type rotating plate, need regularly the disc type rotating plate to be disassembled from running shaft to reface, therefore left and right sides frame manufactures a side and fixes, the structure that opposite side can be removed laterally, when changing the disc type rotating plate, moving frame is opened, and makes frame break away from running shaft together with supporting sleeve or bearing.
China Machine Press publishes the itemize circle shear body structure of introducing in " the band aluminium finishing equipment " write by Zhou Guoying the 75th page, China Machine Press publishes the itemize circle shear body structure by introduction in Wang Haiwen chief editor " rolling machinery design " the 293rd page, and in the existing and public circle shear structure, the conventional construction of supporting sleeve that the running shaft head matches with it or brearing bore part all adopts external cylindrical surface and inner cylindrical surface being slidingly matched of disengaging easily.Conventional construction must leave the normal often folding that certain matching gap could guarantee moving frame between the two, in the shearing work because the existence of this gap, in running shaft when rotation, can not precision centering, make running shaft produce small circular runout, and in use because the frequent folding of moving frame, spindle nose constantly weares and teares with cooperating endoporus, matching gap strengthens gradually, circular runout increases thereupon, this circular runout and then have influence on the cutterhead that is fixed on the swivel knife shaft, its cutting edge end face run-out is increased, influence shearing quality.Though increasing traction aid in the supporting sleeve endoporus can prevent spindle nose and cooperate endoporus to relatively rotate to cause the two to wear and tear, keep away unavoidable frame folding and move the wearing and tearing that cause.These structures all can not eliminate original matching gap at work and wearing and tearing increase the running shaft circular runout that cause in the gap.Therefore develop a kind of apparatus of exactly centring for rotation shaft is new problem anxious to be solved both at home and abroad always.
The purpose of this invention is to provide a kind ofly conceive that science, technology are easy to manufacture, in the solution work often the highi degree of accuracy running shaft spindle nose of loading and unloading with matching hole since original loose fit gap and wearing and tearing post gap crack increase the problem that produces circular runout, influence the running shaft running accuracy, a kind of do not have original matching gap, the automatic a kind of apparatus of exactly centring for rotation shaft that compensates of wearing clearance be provided.
Summary of the invention:
The object of the present invention is achieved like this: whole device is by running shaft, supporting sleeve, the centering expansion set, the guiding gland, elastic washer, hold-down bolt, screw, gland, lower cover, round nut, lock washer, spacer, angular contact ball bearing, spacer ring, eccentric bushing, bearing gland, thick screw, stop screw, straight pin, the rear portion gland, bearing pin, the buffering stage clip, strengthen bolt, dust-proof seal ring, blade, dottle pin, pressure ring, selfaligning roller bearing, moving frame, end cap is formed, it is characterized in that: described running shaft head has a cylindrical taper fitting surface, between supporting sleeve cylindrical bore and running shaft head outer conical surface, have one concentric with the two, the female cone hole has and the identical tapering of running shaft head outer conical surface, and the centering expansion set that cylindrical matches with the supporting sleeve cylindrical bore, the centering expansion set enhancing bolt that is connected on the running shaft, hold-down bolt, elastic washer, by the guiding gland swelling that can in the supporting sleeve endoporus, move and be fixed on running shaft and supporting sleeve between; The centering expansion set is with being connected in hold-down bolt, elastic washer on the running shaft, by the guiding gland swelling that can in the supporting sleeve endoporus, move and be fixed on running shaft and supporting sleeve between; A centering expansion set concentric with the two, that the female cone hole has matches with the selfaligning roller bearing cylindrical bore with identical tapering of running shaft head outer conical surface and cylindrical is arranged between selfaligning roller bearing cylindrical bore and the running shaft head outer conical surface, the centering expansion set be connected on the rotating shaft head end surface hold-down bolt by the gland swelling and be fixed on running shaft and selfaligning roller bearing between; The centering expansion set is a trip ring; Centering expansion set female cone angle is 10 to 60 degree, and best cone angle is 30 degree; Hold-down bolt passes through the enhancing Bolt Connection of an interchangeable protection running shaft head tapped hole at the running shaft head, and said enhancing bolt is an end outside thread, and the other end is the special bolts of internal thread; On the guiding gland external cylindrical surface elongate recesses of opening along the cylinder generatrix direction is arranged, the straight pin that a projection that matches with guiding gland groove is arranged in the described supporting sleeve endoporus, guiding have in the gland one can axially movable bearing pin, this bearing pin front end is higher than guiding gland exterior edge face and can inserts in the off-centered hole of running shaft head, there is a buffering stage clip at the bearing pin rear portion, the stroke of bearing pin should guarantee that its head is retractable in the guiding gland, rear portion gland and bearing pin concentric, the buffering stage clip is positioned at the screw at guiding gland rear portion between rear portion gland and bearing pin, lower cover, gland is used to compress the rear portion gland and prevents that hold-down bolt from skidding off and the guided bearing effect arranged; A dust-proof seal ring is arranged between running shaft head cylndrical surface root and the supporting sleeve exterior edge face; The supporting sleeve endoporus collar extension that cooperates with the running shaft head has one to be beneficial to the guiding conical surface that rotating shaft head is introduced.
Main points of the present invention are its structure and working principle.Its working principle is, needs to unclamp in the moving frame the special-purpose hold-down bolt in the centring means in the supporting sleeve with the special tool spanner before the folding moving frame, and makes it break away from screw fully.When removing frame, owing to there is the conical surface, at first rotating shaft head breaks away from the centering expansion set, centering expansion set withdrawal original size.This moment lead gland and centering expansion set can in supporting sleeve, move freely certain distance.Finish when making moving frame get back to the working position in adjustment, rotating shaft head inserts the supporting sleeve endoporus, pushes assemblies such as hold-down bolt, guiding gland and centering expansion set to rotating shaft head with the special tool spanner, tightens and compresses special bolt, and the swelling of centering expansion set is felt relieved.This structure can guarantee the reliable centering of running shaft and can be when running shaft expands with heat and contract with cold running shaft and centring means assembly can in supporting sleeve, move by trace.Because the present invention has changed traditional project organization, the running shaft rotation no longer directly relies on supporting sleeve centering.But by the centering expansion set with the running shaft swelling in the supporting sleeve endoporus, so its centering precision only depends on running shaft, centering expansion set and supporting sleeve three's machining accuracy.To evenly distribute around the edge of the matching gap between running shaft cylndrical surface and the supporting sleeve endoporus after the swelling of centering expansion set.Mainly rely on the swelling friction of centering expansion set to prevent to produce rotational slide between running shaft head and the supporting sleeve during work.In long using process, running shaft head and supporting sleeve cooperate cylndrical surface wearing and tearing uniformly can cause the matching gap of the two to increase, the uniform wear of conical surface then can not cause the matching gap of the two to increase, can only cause the two axial distance nearer, two conical surfaces cooperate tapering can not change, still do not have the gap after the swelling, realize that wearing clearance compensates automatically.This structure is when design, and the cylndrical surface and the supporting sleeve endoporus that insert the rotating shaft head in the supporting sleeve endoporus can adopt than loose fit.This structure can assurance work in often between the highi degree of accuracy running shaft spindle nose of loading and unloading and the matching hole assembling can not cause circular runout after the centering easily because of there is matching gap in the cylndrical surface.The highi degree of accuracy rotating shaft head bilge construction that this structure can be used for often loading and unloading at work designs, particularly in the structural design of thin plate rip cutting unit center heart equipment cut edge circle shear.Apparatus of exactly centring for rotation shaft compared with prior art, the highi degree of accuracy running shaft spindle nose that has in the solution work often loading and unloading, will be widely used in the rolling machinery technical field because original loose fit gap and wearing and tearing post gap crack increase the problem that produces circular runout, influence the running shaft running accuracy, advantages such as a kind of no original matching gap, the automatic compensation of wearing clearance are provided with matching hole.
Description of drawings:
Concrete structure of the present invention is provided by following examples and accompanying drawing thereof.
Fig. 1 is the embodiment of the invention one structural representation.
Fig. 2 be Fig. 1 the B-B section.
Fig. 3 is that the A of Fig. 1 is to view.
Fig. 4 is the embodiment of the invention one a structural upright sectional view.
Fig. 5 is the embodiment of the invention two structural representations.
Fig. 6 is that the C of Fig. 5 is to view.
Fig. 7 is the embodiment of the invention three structural representations.
Embodiment:
Embodiment one, whole device is by running shaft 1, supporting sleeve 2, centering expansion set 3, guiding gland 4, elastic washer 5, hold-down bolt 6, screw 7, gland 8, lower cover 9, round nut 10, lock washer 11, spacer 12, angular contact ball bearing 13, spacer ring 14, eccentric bushing 15, bearing gland 16, thick screw 17, stop screw 18, straight pin 19, rear portion gland 20, bearing pin 21, buffering stage clip 22, strengthen bolt 23, dust-proof seal ring 24 is formed, main structure is to be fixedly mounted on the running shaft 1 that supporting sleeve 2 in angular contact ball bearing 13 endoporus and head can move in supporting sleeve 2 endoporus, it is characterized in that described running shaft 1 head has a cylindrical taper fitting surface, between supporting sleeve 2 cylindrical bores and running shaft 1 head outer conical surface, have one concentric with the two, the female cone hole has the centering expansion set 3 that matches with the supporting sleeve cylindrical bore with identical tapering of running shaft head outer conical surface and cylindrical, these centering expansion set 3 usefulness be connected on running shaft 1 head end hold-down bolt 6 by guiding gland 4 swellings that can in supporting sleeve 2 endoporus, move and be fixed on running shaft 1 and supporting sleeve 2 between.Running shaft 1 inserts in the supporting sleeve 2, and a pair of angular contact ball bearing 13 is arranged between supporting sleeve 2 and the eccentric bushing 15, has the interior ring of a spacer ring 14, two angular contact ball bearings 13 to be fitted on the supporting sleeve 2 by spacer 12 with round nut 10 and lock washer 11 between the two bearings; The thick screw 17 of the outer shroud of two angular contact ball bearings 13 and spacer ring 14 usefulness is fitted in eccentric bushing 15 endoporus by bearing gland 16; Between running shaft 1 head and supporting sleeve 2, increase a centering expansion set 3; This centering expansion set 3 uses hold-down bolt 6 and the elastic washer 5 that is connected on the running shaft head, by guiding gland 4 swellings that can in supporting sleeve 2 endoporus, move and be fixed on running shaft 1 and supporting sleeve 2 between; Centering expansion set 3 is a trip ring, and this structure is more conducive to the expansion set swelling; Its opening direction can be parallel with rotational axis, also can be angled with it, and the expansion set centering that is more conducive to like this feel relieved centering; Centering expansion set 3 female cone angles are generally 10 to 60 degree, and best cone angle is 30 degree; The centering expansion set is actively connected on the guiding gland 4 with two stop screws 18, and two screws that connect the centering expansion set can move a certain distance in guiding gland connecting hole; On guiding gland 4 external cylindrical surfaces elongate recesses of opening along the cylinder generatrix direction is arranged, the straight pin 19 that a projection that matches with guiding gland groove is arranged in supporting sleeve 2 endoporus, being mainly used in the expansion set that prevents to feel relieved when frame is removed skids off outside the supporting trepanning, when unexpected violation operation took place, this straight pin 19 also had the effect that stops supporting sleeve 2 and its internal component generation circumferencial direction slide relative to cause fitting surface to wear and tear; Unexpected violation operation is meant forgets that the pretightening force of tightening hold-down bolt 6, tightening hold-down bolt 6 is little and loosening at work, causes centering expansion set 3 loosening; Increase simultaneously and prevent that unexpected violation operation from causing wearing and tearing, thereby cause destroying one group of additional constitutional detail of quality of fit, promptly lead have in the gland 4 one can axially movable bearing pin 21, these bearing pin 21 front ends are higher than guiding gland 4 exterior edge faces and can insert in the off-centered hole of running shaft 1 head, and there is a buffering stage clip 22 at bearing pin 21 rear portions; The stroke of bearing pin 21 should guarantee that its head is retractable in the guiding gland 4, so both can guarantee to cooperate with the normal swelling of running shaft 1 head occurring to hinder centering expansion set 3 when bearing pin 21 heads do not insert the situation of running shaft 1 head, can when causing the two to produce rotational slide, the violation operation that meets accident in time to insert in the running shaft 1 head corresponding aperture by bearing pin 21 heads again, avoid unexpected violation operation to cause wearing and tearing, guarantee quality of fit; Screw 7, lower cover 8, gland 9 are used to compress rear portion gland 20 and prevent that hold-down bolt 6 from skidding off and the guided bearing effect arranged; Screw 7 is used for fixing lower cover 8 and gland 9; The lower cover 9 gland assembly that prevents from addition to lead skids off the effect of supporting sleeve 2; The supporting sleeve endoporus collar extension that cooperates with rotating shaft head has a guiding conical surface, and rotating shaft head is incorporated in the supporting sleeve endoporus smoothly when helping the moving frame folding; A dust-proof seal ring 24 is arranged between the root of running shaft 1 head cylndrical surface and the supporting sleeve exterior edge face, be used for preventing that work dust foreign material from entering between running shaft 1 head and the supporting sleeve 2; Be in when removing the position at moving frame, have only the bolt 23 of enhancing to connect with running shaft 1 all the time; Centering expansion set 3 is positioned at supporting sleeve 2 with guiding gland 4 assemblies all the time when working and after breaking away from running shaft 1; Swelling time guiding gland 4 and centering expansion set 3 can not move freely certain distance in supporting sleeve 2; Gland 4 moves a certain distance because the effect of stop screw 18, centering expansion set 3 also can be led relatively; Between hold-down bolt 6 and running shaft 1 head, increase the enhancing bolt 23 that protection running shaft 1 a head center hole screw thread is used; Strengthening bolt 23 is an end outside thread, and the other end is the special bolts of internal thread.
Embodiment two, whole device is by running shaft 1, supporting sleeve 2, centering expansion set 3, guiding gland 4, elastic washer 5, hold-down bolt 6, screw 7, gland 8, lower cover 9, round nut 10, lock washer 11, spacer 12, angular contact ball bearing 13, spacer ring 14, eccentric bushing 15, bearing gland 16, thick screw 17 is formed, main structure is to be fixedly mounted on the running shaft 1 that supporting sleeve 2 in angular contact ball bearing 13 endoporus and head can move in supporting sleeve 2 endoporus, running shaft 1 head has a cylindrical taper fitting surface, between supporting sleeve 2 cylindrical bores and running shaft 1 head outer conical surface, have one concentric with the two, the female cone hole has the centering expansion set 3 that matches with the supporting sleeve cylindrical bore with identical tapering of running shaft head outer conical surface and cylindrical, these centering expansion set 3 usefulness be connected on running shaft 1 head end hold-down bolt 6 by guiding gland 4 swellings that can in supporting sleeve 2 endoporus, move and be fixed on running shaft 1 and supporting sleeve 2 between.Running shaft 1 inserts in the supporting sleeve 2, a pair of angular contact ball bearing 13 is arranged between supporting sleeve 2 and the eccentric bushing 15, there is the interior ring of a spacer ring 14, two angular contact ball bearings 13 to be fitted on the supporting sleeve 2 by spacer 12 between two angular contact ball bearings with round nut 10 and lock washer 11; The thick screw 17 of the outer shroud of two angular contact ball bearings 13 and spacer ring 14 usefulness is fitted in eccentric bushing 15 endoporus by bearing gland 16; Between running shaft 1 head and supporting sleeve 2, increase a centering expansion set 3; This centering expansion set 3 uses hold-down bolt 6 and the elastic washer 5 that is connected on the running shaft head, by guiding gland 4 swellings that can in supporting sleeve 2 endoporus, move and be fixed on running shaft 1 and supporting sleeve 2 between; Centering expansion set 3 is a trip ring, and this structure is more conducive to the expansion set swelling; Its opening direction can be parallel with rotational axis, also can be angled with it, and the expansion set centering that is more conducive to like this feel relieved centering; Centering expansion set 3 female cone angles are generally 10 to 60 degree, and best cone angle is 30 degree; The supporting sleeve endoporus collar extension that cooperates with rotating shaft head has a guiding conical surface, and rotating shaft head is incorporated in the supporting sleeve endoporus smoothly when helping the moving frame folding; Centering expansion set 3 is positioned at supporting sleeve 2 with guiding gland 4 assemblies when working and after breaking away from running shaft 1; Swelling time guiding gland 4 and centering expansion set 3 can not move freely in supporting sleeve 2.
Embodiment three, whole device is made up of running shaft 1, centering expansion set 3, hold-down bolt 6, screw 7, gland 8, round nut 10, dust-proof seal ring 24, blade 25, dottle pin 26, pressure ring 27, selfaligning roller bearing 28, moving frame 29, end cap 30, and main structure is for being fixedly mounted on the running shaft 1 that interior selfaligning roller bearing 28 of moving frame 29 and head can move in selfaligning roller bearing 28 endoporus by screw 7, end cap 30; Use round nut 10 and pressure ring 27 with blade 25, dottle pin 26 is fixed on the running shaft 1, it is characterized in that described running shaft 1 head has a cylindrical taper fitting surface, have between selfaligning roller bearing 28 cylindrical bores and the running shaft 1 head outer conical surface one concentric with the two, the female cone hole has the centering expansion set 3 that matches with selfaligning roller bearing 28 cylindrical bores with identical tapering of running shaft head outer conical surface and cylindrical, these centering expansion set 3 usefulness be connected on running shaft 1 head end hold-down bolt 6 by gland 8 swellings and be fixed on running shaft 1 and selfaligning roller bearing 28 between.Running shaft 1 inserts in selfaligning roller bearing 28 endoporus, increases a centering expansion set 3 between running shaft 1 head and bearing cylindrical bore; This centering expansion set 3 use be connected in a hold-down bolt 6 and gland 8 swellings on the running shaft head and be fixed on running shaft 1 and selfaligning roller bearing 28 endoporus between; Centering expansion set 3 is a trip ring, and this structure is more conducive to the expansion set swelling; Its opening direction can be parallel with rotational axis, also can be angled with it, and the expansion set centering that is more conducive to like this feel relieved centering; Centering expansion set 3 female cone angles are generally 10 to 60 degree, and best cone angle is 30 degree; Be in when removing the position at moving frame, centering expansion set 3 and gland 8 separate with running shaft 1 with hold-down bolt 6, after running shaft 1 head inserts selfaligning roller bearing 28 endoporus, with hold-down bolt 6 and gland 8 will feel relieved expansion set 3 swellings and be fixed on running shaft 1 and selfaligning roller bearing 28 endoporus between.
Claims (7)
1. running shaft centring means, whole device is by running shaft, supporting sleeve, the centering expansion set, the guiding gland, elastic washer, hold-down bolt, screw, gland, lower cover, round nut, lock washer, spacer, angular contact ball bearing, spacer ring, eccentric bushing, bearing gland, thick screw, stop screw, straight pin, the rear portion gland, bearing pin, the buffering stage clip, strengthen bolt, dust-proof seal ring, blade, dottle pin, pressure ring, selfaligning roller bearing, moving frame, end cap is formed, it is characterized in that: the head of described running shaft has a cylindrical taper fitting surface, between supporting sleeve cylindrical bore and running shaft head outer conical surface, have one concentric with the two, the female cone hole has and the identical tapering of running shaft head outer conical surface, and the centering expansion set that cylindrical matches with the supporting sleeve cylindrical bore, the centering expansion set enhancing bolt that is connected on the running shaft, hold-down bolt, elastic washer, by the guiding gland swelling that can in the supporting sleeve endoporus, move and be fixed on running shaft and supporting sleeve between.
2. running shaft centring means according to claim 1 is characterized in that: described centering expansion set is a trip ring.
3. running shaft centring means according to claim 1 is characterized in that: described centering expansion set female cone angle is 10 to 60 degree.
4. running shaft centring means according to claim 1; it is characterized in that: described hold-down bolt passes through the enhancing Bolt Connection of an interchangeable protection running shaft head tapped hole at the running shaft head; said enhancing bolt is an end outside thread, and the other end is the special bolts of internal thread.
5. running shaft centring means according to claim 1, it is characterized in that: an elongate recesses of opening along the cylinder generatrix direction is arranged on the external cylindrical surface of described guiding gland, the straight pin that a projection that matches with guiding gland groove is arranged in the described supporting sleeve endoporus, guiding have in the gland one can axially movable bearing pin, this bearing pin front end is higher than guiding gland exterior edge face and can inserts in the off-centered hole of running shaft head, there is a buffering stage clip at the bearing pin rear portion, the stroke of bearing pin should guarantee that its head is retractable in the guiding gland, rear portion gland and bearing pin concentric, the buffering stage clip is positioned at the screw at guiding gland rear portion between rear portion gland and bearing pin, lower cover, gland is used to compress the rear portion gland and prevents that hold-down bolt from skidding off and the guided bearing effect arranged.
6. a kind of running shaft centring means according to claim 1 is characterized in that: a dust-proof seal ring is arranged between the head cylndrical surface root of described running shaft and the supporting sleeve exterior edge face.
7. a kind of running shaft centring means according to claim 1 is characterized in that: the supporting sleeve endoporus collar extension that the head of described running shaft cooperates has one to be beneficial to the guiding conical surface that rotating shaft head is introduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100477488A CN100381711C (en) | 2005-11-18 | 2005-11-18 | Apparatus of exactly centring for rotation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100477488A CN100381711C (en) | 2005-11-18 | 2005-11-18 | Apparatus of exactly centring for rotation shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1786492A CN1786492A (en) | 2006-06-14 |
| CN100381711C true CN100381711C (en) | 2008-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100477488A Expired - Fee Related CN100381711C (en) | 2005-11-18 | 2005-11-18 | Apparatus of exactly centring for rotation shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN100381711C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012100374A1 (en) * | 2011-01-28 | 2012-08-02 | 中国发明协会 | Method and device for manufacturing metal sections with uniform stress based on floatation |
| CN102699892B (en) * | 2012-06-17 | 2016-01-06 | 无锡市优耐特石化装备有限公司 | A kind of automatic seeking heart template |
| CN106965339B (en) * | 2017-04-07 | 2019-06-14 | 苏州赫瑞特电子专用设备科技有限公司 | A kind of centering location structure of multi-line cutting machine |
| CN109646819B (en) * | 2018-12-29 | 2024-07-16 | 佛山瑞加图医疗科技有限公司 | Deflection bracket of accelerator |
| CN112451098B (en) * | 2020-11-12 | 2022-10-25 | 山东威高手术机器人有限公司 | Mechanical arm rotating joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881666A (en) * | 1972-09-05 | 1975-05-06 | Eric Greenhalgh | Winding core chuck |
| JPH07204908A (en) * | 1993-12-30 | 1995-08-08 | Nippon Seiko Kk | Spindle device |
| US5474403A (en) * | 1994-03-31 | 1995-12-12 | Fenner, Inc. | Mounting device |
| CN2303965Y (en) * | 1996-08-29 | 1999-01-13 | 北京风机二厂 | Quick-mounting-dismounting expanding-sleeve and wheel-disk apparatus |
| CN2564289Y (en) * | 2002-09-06 | 2003-08-06 | 哈尔滨飞机工业(集团)有限责任公司 | Automatic centring mandrel |
| CN1605760A (en) * | 2003-10-08 | 2005-04-13 | 利布赫尔水力挖掘机股份有限公司 | Connection for bearing bolt |
| JP2005297135A (en) * | 2004-04-13 | 2005-10-27 | Toyota Motor Corp | Fixing device |
-
2005
- 2005-11-18 CN CNB2005100477488A patent/CN100381711C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881666A (en) * | 1972-09-05 | 1975-05-06 | Eric Greenhalgh | Winding core chuck |
| JPH07204908A (en) * | 1993-12-30 | 1995-08-08 | Nippon Seiko Kk | Spindle device |
| US5474403A (en) * | 1994-03-31 | 1995-12-12 | Fenner, Inc. | Mounting device |
| CN2303965Y (en) * | 1996-08-29 | 1999-01-13 | 北京风机二厂 | Quick-mounting-dismounting expanding-sleeve and wheel-disk apparatus |
| CN2564289Y (en) * | 2002-09-06 | 2003-08-06 | 哈尔滨飞机工业(集团)有限责任公司 | Automatic centring mandrel |
| CN1605760A (en) * | 2003-10-08 | 2005-04-13 | 利布赫尔水力挖掘机股份有限公司 | Connection for bearing bolt |
| JP2005297135A (en) * | 2004-04-13 | 2005-10-27 | Toyota Motor Corp | Fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1786492A (en) | 2006-06-14 |
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Assignee: Shenyang Longda Environmental Protection Co., Ltd. Assignor: Shenyang Heavy Machinery Group Co., Ltd. Contract fulfillment period: 2008.10.15 to 2013.10.15 Contract record no.: 2009210000235 Denomination of invention: Apparatus of exactly centring for rotation shaft Granted publication date: 20080416 License type: Exclusive license Record date: 20091016 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.15 TO 2013.10.15; CHANGE OF CONTRACT Name of requester: SHENYANG LONGDA ENVIRONMENT PROTECTION ENERGY-SAVI Effective date: 20091016 |
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Granted publication date: 20080416 Termination date: 20171118 |
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