CN2682250Y - Worm gear reduction box - Google Patents
Worm gear reduction box Download PDFInfo
- Publication number
- CN2682250Y CN2682250Y CNU2004200259520U CN200420025952U CN2682250Y CN 2682250 Y CN2682250 Y CN 2682250Y CN U2004200259520 U CNU2004200259520 U CN U2004200259520U CN 200420025952 U CN200420025952 U CN 200420025952U CN 2682250 Y CN2682250 Y CN 2682250Y
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Abstract
The utility model discloses a worm gear reduction box, in particular to a worm gear reduction box of a spinning frame used for spinning. The utility model comprises a box body, the upper and the lower part of the chamber of the box body are respectively provided with an endless screw and a worm-gear which are mutually meshed, the two ends of the endless screw are matched with the corresponding through hole of the box body via a tapered roller bearing and the inner and the outer covers. One end of the endless screw extends out of the box body, the extending end is provided with a bevel wheel, and a push cover is arranged between the outer cover of the other end of the endless screw without the bevel wheel and the tapered roller bearing. An interval is arranged between the cover bottom of the push cover and the corresponding outer cover, the mouth of the push cover is offset the housing end of the corresponding tapered roller bearing, a screw hole is provided at the center of the outer cover of the push cover position, an adjusting screw is allocated in the screw hole, and the inner end of the adjusting screw is offset the cover bottom of the push cover. The worm gear reduction box has simple structure, good worm-gear wearing resistance and good reliability, and the clearance adjustment between the worm-gear and the endless screw is unlimited.
Description
(1) technical field
The utility model relates to a kind of reducing gear.Specifically, be to spin with the worm gear reducer on the spinning frame.
(2) background technique
At present in textile industry, employed worm gear reducer on the spinning frame is useful on the through hole that worm screw is installed on the relative both sides box wall in its casing top; Be useful on the through hole that worm-wheel shaft is installed on lower box one side box wall, on the opposite side tank wall relative with this through hole the case mouth of being convenient to install worm gear arranged, case mouth place is furnished with case lid, and the case lid center is processed with center hole, and bearing support is installed in the center hole; The a pair of through hole center line on casing top and the center line of lower through-hole are perpendicular.Worm-wheel shaft is arranged in the casing, and worm-wheel shaft one end is by in the bearing support of Bearing Installation in the case lid center hole, and the other end is installed in the tank wall through hole relative with case lid by bearing and eccentric bushing, and stretch out outside casing its end.Eccentric bushing outer end wherein is formed with radially boss, radially the circumferencial direction of boss is processed with six axial waist shaped holes, and process six screws accordingly in the corresponding position of casing, fix by six bolts and these six axial waist shaped holes, six screws between eccentric bushing and casing, pacify the degree of eccentricity that a bolt is regulated worm-wheel shaft by six waist shaped holes and six, and then realize the gap adjustment between worm gear and the worm screw.The worm screw two ends all are installed in the relative tank wall through hole in casing top with bearing and capping by bearing support, and the one end stretches out outside casing and umbrella gear is installed.Wherein, the used bearing of worm screw one end of close umbrella gear is two tapered roller bearings, and the bearing of the other end is a ball bearing.Gap between two tapered roller bearings is adjusted, and is to realize by between capping and adjacent that tapered roller bearing some copper washers being set.Be fixed with worm gear on the said worm-wheel shaft, this worm gear is meshed with the worm screw of its top.Worm gear wherein processes after being connect by the steel inner ring and the fourth of the twelve Earthly Branches, copper outer ring.There is following problem in this worm gear reducer:
The one, because the worm screw two ends all are installed in the relative tank wall through hole in casing top with bearing and capping by bearing support.Wherein, the used bearing of worm screw one end of close umbrella gear is two tapered roller bearings, and the bearing of the other end is a ball bearing.Gap between two tapered roller bearings is adjusted, and is to realize by between capping and adjacent that tapered roller bearing some copper washers being set.Though use some copper washers can realize two gap adjustment between the tapered roller bearing, structure more complicated, assembling difficulty, adjustment are got up cumbersome;
The 2nd, because said worm gear is to process after being connect by the steel inner ring and the fourth of the twelve Earthly Branches, copper outer ring, its outer ring directly is meshed with worm screw, and wear-resisting property is relatively poor, must have under the lubricated oil condition and could use, and working life is not long;
The 3rd, because the eccentric bushing outer end is formed with radially boss, radially the circumferencial direction of boss is processed with six axial waist shaped holes, and process six screws accordingly in the corresponding position of casing, fix by six bolts and these six axial waist shaped holes, six screws between eccentric bushing and casing, by six waist shaped holes and six degree of eccentricitys that bolt is regulated worm-wheel shaft, and then the gap between realization worm gear and the worm screw is adjusted.Gap adjustment between worm gear and the worm screw is subjected to the length restriction of waist shaped hole, and adjusting range is less;
The 4th, because the case lid center is processed with center hole, bearing support is installed in the center hole.Worm-wheel shaft one end is by in the bearing support of Bearing Installation in the case lid center hole.Bearing support wherein plays the supporting worm-wheel shaft, poor reliability not only, assembling and adjust also cumbersome.
(3) summary of the invention
The purpose of this utility model is to provide a kind of worm gear reducer.This worm gear reducer, simple in structure, easy assembling, easily adjustment; The wear-resisting property of worm gear is good, long service life; Gap between worm gear and the worm screw is adjusted unrestricted, and adjusting range is big; Good reliability.
Above-mentioned purpose of the present utility model is realized by following technical solution:
Worm gear reducer of the present utility model comprises casing, is useful on the through hole that worm screw is installed on the relative both sides box wall in casing top.Be useful on the through hole that worm-wheel shaft is installed on lower box one side box wall, on the opposite side tank wall relative with this through hole the case mouth of being convenient to install worm gear arranged, there is case lid at case mouth place.The a pair of through hole center line on casing top and the center line of lower through-hole are perpendicular.Worm-wheel shaft is arranged in the casing, and worm-wheel shaft one end is installed in the inboard center of case lid by selfaligning bearing, and the other end is installed in the tank wall through hole relative with case lid by axle sleeve, bearing and eccentric bushing, and stretch out outside casing its end.There is worm screw worm-wheel shaft top, and the worm screw two ends all are installed in the relative tank wall through hole in casing top by bearing and inside and outside capping, and worm screw one end stretches out outside casing and umbrella gear is installed.Be fixed with worm gear on the worm-wheel shaft, this worm gear is meshed with the worm screw of its top.The bearing that is characterized in the worm screw two ends is tapered roller bearing.Between the outer seal of worm screw one end that umbrella gear is not installed and tapered roller bearing, be provided with pushing cover.At the bottom of the lid of pushing cover and gapped between corresponding outer seal, its oral area offsets with the outer casing end of corresponding tapered roller bearing.At that outer seal center that the pushing cover place is installed screw is arranged, be furnished with the adjustment screw in the screw, offset at the bottom of the inner end of adjustment screw and the lid of pushing cover.
Said worm gear is connected by metal inner ring and nylon outer ring and forms.
Said eccentric bushing two ends all are fixed with annular capping, and it is by screw, bearing and should the annular capping be installed in worm-wheel shaft one end.On the outer section cylindrical of eccentric bushing circumferential boss is arranged, circumferentially the outside of boss is with supported flange, the tank wall through hole relative with case lid circumferentially is processed with axial screw, the radial height of said circumferential boss is less than the supported flange internal diameter, and eccentric bushing is fixed between casing and the worm-wheel shaft by housing screw and said circumferential boss and axial screw.
The inboard center of said case lid has as bearing support
Adopt such scheme, have the following advantages:
Because worm gear reducer of the present utility model, the bearing at its worm screw two ends is tapered roller bearing, and without bearing support, and the outer ring of bearing directly and be between casing and be slidingly matched.Be provided with pushing cover between the capping of worm screw one end that umbrella gear is not installed and tapered roller bearing, at the bottom of the lid of pushing cover and gapped between corresponding capping, its oral area offsets with the outer casing end of corresponding tapered roller bearing.And there is screw at corresponding capping center, is furnished with the adjustment screw in the screw, offsets at the bottom of the inner end of adjustment screw and the lid of pushing cover.Utilize adjusting screw, pushing cover to realize the axial and radial clearance adjustment of worm screw, not only simplify the structure, also make assembling and adjustment than being easier to.
Because used worm gear is connected by metal inner ring and nylon outer ring and forms, the self-lubricating property and the wear-resisting property of nylon outer ring are relatively good, make that the working life of worm gear is longer again.
In addition, because the eccentric bushing two ends all are equipped with the annular bearing lid, it covers on the worm-wheel shaft that is installed in away from case lid one side by screw, bearing and this annular bearing; On the outer section cylindrical of eccentric bushing circumferential boss is arranged, the tank wall through hole relative with case lid circumferentially is processed with axial screw, the height of said circumferential boss is lower than the spacing between axial screw inboard and the tank wall internal surface, and the two is fixed together by supported flange, housing screw and said circumferential boss and screw.As long as unclamp supported flange, eccentric bushing can be adjusted in 180 degree scopes, makes that the gap between worm gear and the worm screw is adjusted unrestricted.
Again on the one hand, because the inboard center of case lid is useful on the annular inner convex platform that forms bearing support, bearing support and case lid form as one.Not only good reliability also is convenient to assembling and adjustment.
(4) description of drawings
Fig. 1 is a worm gear reducer structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to partial schematic sectional view.
(5) embodiment
Fig. 1, shown in Figure 2, worm gear reducer of the present utility model comprises a casing 1 as shell, casing 1 top is processed with the through hole that is used for installing worm screw 11 on the relative two side.Be processed with the through hole that is used to install worm-wheel shaft 6 on the tank wall of casing 1 bottom one side, be processed with on the opposite side tank wall relative and be convenient to the case mouth that worm gear 12 passes through, be fixed with case lid 17 by means of bolt 10 on the case mouth with this through hole.The center line of a pair of through hole center line on casing 1 top and that through hole of its underpart is perpendicular.Case lid 17 inboard centers are cast with the annular inner convex platform 16 as bearing support, are provided with worm-wheel shaft 6 in the casing 1, and worm-wheel shaft 6 one ends are installed in the annular inner convex platform 16 at case lid 17 inboard centers by nut 14, selfaligning bearing 15 and oil sealing cap 13.Selfaligning bearing 15 wherein is double row self aligning ball bearings.The other end of worm-wheel shaft 6 is installed in the tank wall through hole relative with case lid 17 by eccentric bushing 8 and axle sleeve 7, and stretch out outside casing 1 its this end end.Circle and 6 of worm-wheel shafts respectively are with a bearing 4 in said eccentric bushing 8 two ends, and this two bearings is a roller bearing, and they all are locked in eccentric bushing 8 two ends by means of an annular capping 5 and screw 10.Said eccentric bushing 8 stretches out outside casing 1, is processed with circumferential boss 9 on its overhanging end cylindrical, and circumferentially boss 9 outsides are with supported flange 2.The tank wall through hole relative with case lid 17 circumferentially is processed with axial screw, and the radial height of said circumferential boss 9 is less than the internal diameter of supported flange 2, and eccentric bushing 8 is by housing screw 3, circumferentially boss 9 and axial screw are fixed between casing 1 and the worm-wheel shaft 6.
Worm-wheel shaft 6 tops are provided with worm screw 11, worm screw 11 two ends all are installed in the relative tank wall through hole in casing 1 top by a tapered roller bearing 18 and inside and outside capping 21 and 20, and worm screw 11 1 ends stretch out outside casing 1, and umbrella gear 19 is installed on this external part.Wherein, outer seal 20 and 18 of tapered roller bearings at worm screw 11 1 ends of uneasy umbrella gear 19 are provided with pushing cover 22, leave the gap at the bottom of the lid of this pushing cover and between corresponding outer seal 20 internal surfaces, its oral area offsets with the outer casing end of corresponding tapered roller bearing 18.Be processed with screw at that outer seal center that pushing cover 22 places are installed, be furnished with the screw 23 of adjustment in the screw, outer side surface offsets at the bottom of the lid of the inner end of this adjustment screw and pushing cover 22, and the outer end is furnished with setscrew nut 24.
Claims (5)
1. worm gear reducer comprises casing (1), is useful on the through hole that worm screw (11) is installed on the relative both sides box wall in casing (1) top; Be useful on the through hole that worm-wheel shaft (6) is installed on one side box wall of casing (1) bottom, on the opposite side tank wall relative with this through hole the case mouth of being convenient to install worm gear (12) arranged, there is case lid (17) at case mouth place; The a pair of through hole center line on casing (1) top and the center line of lower through-hole are perpendicular; Worm-wheel shaft (6) is arranged in the casing (1), worm-wheel shaft (6) one ends are installed in the inboard center of case lid (17) by selfaligning bearing (15), the other end is installed in the tank wall through hole relative with case lid (17) by axle sleeve (7), bearing (4) and eccentric bushing (8), and stretch out outside casing (1) its end; There is worm screw (11) worm-wheel shaft (6) top, and worm screw (11) two ends all are installed in the relative tank wall through hole in casing (1) top by bearing and inside and outside capping (21,22), and worm screw (11) one ends stretch out outside casing (1) and umbrella gear (19) is installed; Be fixed with worm gear (12) on the worm-wheel shaft (6), this worm gear is meshed with the worm screw (11) of its top; The bearing that it is characterized in that worm screw (11) two ends is tapered roller bearing (18); Between the outer seal (20) of worm screw (11) one ends that umbrella gear (19) is not installed and tapered roller bearing (18), be provided with pushing cover (22); At the bottom of the lid of pushing cover (22) and gapped between corresponding outer seal (20), its oral area offsets with the outer casing end of corresponding tapered roller bearing (18); There is screw at that outer seal (20) center of locating in installation pushing cover (22), is furnished with adjustment screw (23) in the screw, offsets at the bottom of the inner end of adjustment screw (23) and the lid of pushing cover (22).
2. worm gear reducer according to claim 1 is characterized in that said worm gear (12) is connected by metal inner ring and nylon outer ring to form.
3. worm gear reducer according to claim 1 is characterized in that said eccentric bushing (8) two ends all are fixed with annular capping (5), and it is installed in worm-wheel shaft (6) one ends by screw (10), bearing (4) and this annular capping; On the outer section cylindrical of eccentric bushing (8) circumferential boss (9) is arranged, circumferentially the outside of boss (9) is with supported flange (2), the tank wall through hole relative with case lid (17) circumferentially is processed with axial screw, the radial height of said circumferential boss (9) is less than the internal diameter of supported flange (2), and eccentric bushing (8) is fixed between casing (1) and the worm-wheel shaft (6) by housing screw (3) and said circumferential boss (9) and axial screw.
4. worm gear reducer according to claim 2 is characterized in that said eccentric bushing (8) two ends all are fixed with annular capping (5), and it is installed in worm-wheel shaft (6) one ends by screw (10), bearing (4) and this annular capping; On the outer section cylindrical of eccentric bushing (8) circumferential boss (9) is arranged, circumferentially the outside of boss (9) is with supported flange (2), the tank wall through hole relative with case lid (17) circumferentially is processed with axial screw, the radial height of said circumferential boss (9) is less than the internal diameter of supported flange (2), and eccentric bushing (8) is fixed between casing (1) and the worm-wheel shaft (6) by housing screw (3) and said circumferential boss (9) and axial screw.
5。According to claim 1,2,3 or 4 described worm gear reducers, it is characterized in that there is the annular inner convex platform (16) as bearing support at the inboard center of case lid (17), worm-wheel shaft (6) one ends are installed in this annular inner convex platform by selfaligning bearing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200259520U CN2682250Y (en) | 2004-03-30 | 2004-03-30 | Worm gear reduction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200259520U CN2682250Y (en) | 2004-03-30 | 2004-03-30 | Worm gear reduction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2682250Y true CN2682250Y (en) | 2005-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200259520U Expired - Fee Related CN2682250Y (en) | 2004-03-30 | 2004-03-30 | Worm gear reduction box |
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| Country | Link |
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| CN (1) | CN2682250Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799067A (en) * | 2010-03-08 | 2010-08-11 | 张家港金凯达机械有限公司 | Worm gear |
| CN103335086A (en) * | 2013-07-10 | 2013-10-02 | 平湖迪工机械制造有限公司 | Differential gear box |
| CN103770831A (en) * | 2012-10-17 | 2014-05-07 | 上海航天汽车机电股份有限公司 | Electric power steering device and installation method thereof |
| CN104565318A (en) * | 2014-12-29 | 2015-04-29 | 雷永志 | Speed reducing machine adopting air cylinder for driving main shaft to realize telescopic moving |
| CN105465344A (en) * | 2016-01-04 | 2016-04-06 | 德州普利森机床有限公司 | Clearance dispelling device for output shaft of gearbox |
| CN105715772A (en) * | 2014-12-19 | 2016-06-29 | 罗伯特·博世有限公司 | Position Control Actuator As Well As Method For Producing Position Control Actuator And Mechanism In Motor Vehicle For Actuator |
| CN106438973A (en) * | 2016-12-16 | 2017-02-22 | 银川威力减速器有限公司 | Adjusting structure and adjusting method for gear clearance of bevel gear pair |
| CN107504133A (en) * | 2017-10-20 | 2017-12-22 | 台州椒星传动设备有限公司 | A kind of worm type of reduction gearing |
| CN108167391A (en) * | 2017-12-29 | 2018-06-15 | 缙云县博新机械有限公司 | Anti- deformation long-life worm gear reducer |
| CN112431901A (en) * | 2020-11-23 | 2021-03-02 | 佛山市南海珠江减速机有限公司 | Worm gear speed reducer and worm gear lift |
| CN112576728A (en) * | 2019-09-30 | 2021-03-30 | 浙江恒齿传动股份有限公司 | Speed reducer for printing and dyeing machinery |
-
2004
- 2004-03-30 CN CNU2004200259520U patent/CN2682250Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799067A (en) * | 2010-03-08 | 2010-08-11 | 张家港金凯达机械有限公司 | Worm gear |
| CN103770831A (en) * | 2012-10-17 | 2014-05-07 | 上海航天汽车机电股份有限公司 | Electric power steering device and installation method thereof |
| CN103770831B (en) * | 2012-10-17 | 2016-12-07 | 上海航天汽车机电股份有限公司 | Electric power-assisted steering apparatus and installation method thereof |
| CN103335086A (en) * | 2013-07-10 | 2013-10-02 | 平湖迪工机械制造有限公司 | Differential gear box |
| CN103335086B (en) * | 2013-07-10 | 2016-04-20 | 平湖迪工机械制造有限公司 | A kind of differential case |
| CN105715772B (en) * | 2014-12-19 | 2020-05-12 | 罗伯特·博世有限公司 | Position adjustment drive, method for producing the same, and mechanism for the same in a motor vehicle |
| CN105715772A (en) * | 2014-12-19 | 2016-06-29 | 罗伯特·博世有限公司 | Position Control Actuator As Well As Method For Producing Position Control Actuator And Mechanism In Motor Vehicle For Actuator |
| CN104565318A (en) * | 2014-12-29 | 2015-04-29 | 雷永志 | Speed reducing machine adopting air cylinder for driving main shaft to realize telescopic moving |
| CN104565318B (en) * | 2014-12-29 | 2017-01-25 | 四川德恩精工科技股份有限公司 | Speed reducing machine adopting air cylinder for driving main shaft to realize telescopic moving |
| CN105465344A (en) * | 2016-01-04 | 2016-04-06 | 德州普利森机床有限公司 | Clearance dispelling device for output shaft of gearbox |
| CN106438973B (en) * | 2016-12-16 | 2018-08-03 | 银川威力传动技术股份有限公司 | A kind of bevel gear pair backlash adjustment structure and method |
| CN106438973A (en) * | 2016-12-16 | 2017-02-22 | 银川威力减速器有限公司 | Adjusting structure and adjusting method for gear clearance of bevel gear pair |
| CN107504133A (en) * | 2017-10-20 | 2017-12-22 | 台州椒星传动设备有限公司 | A kind of worm type of reduction gearing |
| CN107504133B (en) * | 2017-10-20 | 2024-01-02 | 台州椒星传动设备有限公司 | Worm gear reducer |
| CN108167391A (en) * | 2017-12-29 | 2018-06-15 | 缙云县博新机械有限公司 | Anti- deformation long-life worm gear reducer |
| CN112576728A (en) * | 2019-09-30 | 2021-03-30 | 浙江恒齿传动股份有限公司 | Speed reducer for printing and dyeing machinery |
| CN112431901A (en) * | 2020-11-23 | 2021-03-02 | 佛山市南海珠江减速机有限公司 | Worm gear speed reducer and worm gear lift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |