CN103016643A - Structure of two speed transmission - Google Patents

Structure of two speed transmission Download PDF

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Publication number
CN103016643A
CN103016643A CN2012104766190A CN201210476619A CN103016643A CN 103016643 A CN103016643 A CN 103016643A CN 2012104766190 A CN2012104766190 A CN 2012104766190A CN 201210476619 A CN201210476619 A CN 201210476619A CN 103016643 A CN103016643 A CN 103016643A
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China
Prior art keywords
gear
bearing
spacer
locked
shaft
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Granted
Application number
CN2012104766190A
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Chinese (zh)
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CN103016643B (en
Inventor
朱振强
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Wuxi Jinghua Heavy Industry Equipment Manufacturing Co Ltd
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Wuxi Jinghua Heavy Industry Equipment Manufacturing Co Ltd
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Priority to CN201210476619.0A priority Critical patent/CN103016643B/en
Publication of CN103016643A publication Critical patent/CN103016643A/en
Application granted granted Critical
Publication of CN103016643B publication Critical patent/CN103016643B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a structure of a two speed transmission, which is in particular suitable for a vertical lathe. The structure of the two speed transmission comprises a transmission box body, an input shaft arranged at one end of the transmission box body, first and second transmission shafts arranged in the transmission box body, and an output shaft arranged at the other end in the transmission box body. The input shaft is provided with a first gear which is matched with a second gear installed on the first transmission shaft. The first transmission shaft is further provided with a third gear. The second gear and the third gear are respectively matched with a fifth gear and an eighth gear on the second transmission shaft. The second transmission shaft is further provided with a fourth gear which is matched with a ninth gear on the output shaft. The structure of the two speed transmission provided by the invention is simple, skillful and reasonable in structure, stable in transmission and low in noise. Two speed constant power transmission is adopted, so that the structure of the two speed transmission is suitable for heavy load cutting and stable and reliable.

Description

The second gear gearbox designs
Technical field
The present invention relates to a kind of second gear gearbox designs, be specially adapted to vertical lathe.
Background technique
Vertical lathe is mainly used in processing that diameter is large, length is short is large-scale, heavy workpiece and be difficult for the workpiece of clamping on horizontal lathe, in the situation that swing diameter satisfies, too heavy workpiece is difficult for clamping at sleeping carriage, because dead weight, influential to machining accuracy, adopt vertical lathe to address the above problem.
In the prior art, the transmission between the vertical lathe gearbox gear is not steady, and gear shift is inaccurate, and opposition Vehicle Processing quality causes direct impact, therefore the structure of vertical lathe gearbox is optimized design and just seems particularly necessary.
Summary of the invention
The present invention is directed to above-mentioned technical problem, a kind of second gear gearbox designs simple in structure, ingenious, rational is provided, it can realize two grades of speed changes, and the gearbox transmission process evenly, steadily, and noise is little, and gear shift is reliable and stable.
According to technological scheme provided by the invention: a kind of second gear gearbox designs, comprise gear box, be arranged on the input shaft of gear box one end, be arranged on the first transmission shaft in the gear box, second driving shaft, be arranged on the output shaft of the other end in the gear box, the first gear is installed on the described input shaft, described the first gear matches with the second gear on being installed in the first transmission shaft, on described the first transmission shaft the 3rd gear is installed also, described the second gear, the 3rd gear respectively with second driving shaft on the 5th gear, the octadentate wheel matches, the 4th gear also is installed on the described second driving shaft, described the 4th gear matches with the 9th gear on the output shaft, the tenth gear also is installed on the described output shaft, be characterised in that: described the 5th gear has internal tooth and external tooth, in the endoporus of described the 5th gear external tooth part correspondence two deep groove ball bearings are installed, the toothed portion small gear group interior with being installed in the second driving shaft keyway matches in described the 5th gear; Described octadentate is taken turns has internal tooth and external tooth, and described octadentate is taken turns in endoporus corresponding to external tooth part two deep groove ball bearings are installed, and the small gear group in described octadentate is taken turns interior toothed portion and is installed in the second driving shaft keyway matches.
As a further improvement on the present invention, described small gear group comprises the first small gear and the second small gear that is fixedly connected with bolt, and described the first small gear and the second small gear attachment portion are equipped with deep groove ball bearing.
As a further improvement on the present invention, described input shaft is by the first biserial roller selfaligning bearing, the second biserial roller selfaligning bearing is installed on the gear box, described the first gear one end separates by the 4th spacer that is sleeved on the input shaft, the described first gear the other end is fixed by the second nut check, described the 4th spacer upper end is fixed by the first nut check, described plane bearing is installed in input shaft axle head the second biserial roller selfaligning bearing below, plane bearing is by the second end cap location, with the 4th bolt-locking, the 3rd spacer is installed on the input shaft, be used for the positioning shaft bearing sleeve, separate with spacer between bearing housing and the first double-row cylindrical roller selfaligning bearing, the first angular contact ball bearing and the second angular contact bearing are installed in respectively on the bearing housing, belt pulley is installed on described the first angular contact ball bearing and the second angular contact bearing, use the first spacer in the middle of described the first angular contact ball bearing and the second angular contact bearing, the second spacer separates, flange plate is bolted on the belt pulley with the 3rd, spline housing is sleeved on input shaft end, be bolted to belt pulley upper end with second, pressing plate is bolted on the input shaft with first.
As a further improvement on the present invention, described the first transmission shaft two ends are respectively by the first roller bearing, the second roller bearing is installed on the gear box, suit the 6th spacer on the first transmission shaft between described the second gear and the 3rd gear, described the second gear upper end is by the 5th spacer location, described the 5th spacer upper end is fixed with the 3rd nut check, described the 3rd gear lower end is fixed by the 4th nut check, described the first transmission shaft two ends are capping the first end cap respectively, the second end cap, described the first end cap is fixed with the 5th bolt-locking, and described the second end cap is fixed by the 6th bolt-locking.
As a further improvement on the present invention, described second driving shaft two ends are respectively by the three cylindrical roller bearing, the 4th roller bearing is installed on the gearbox casing, described the 4th gear upper end is fixed with the 5th nut check, deep groove ball bearing lower end in described the 8th gear hole is fixed by the 6th nut check, suit the 7th spacer on the second driving shaft of described the 4th gear below, described the 7th spacer lower end compresses the deep groove ball bearing in the 5th gear hole, described second driving shaft two ends are capping the 3rd end cap respectively, the 4th end cap, described the 3rd end cap is fixed with the 7th bolt-locking, and described the 4th end cap is fixed by the 8th bolt-locking.
As a further improvement on the present invention, described output shaft two ends are respectively by the 5th roller bearing, the 6th roller bearing is installed in the gear box hole, described the 9th gear, separate with the 8th spacer between the tenth gear, suit the 9th spacer on described the tenth gear lower end output shaft, described the 9th gear upper end is fixed by the 7th nut check, described the 9th spacer lower end is fixed by the 8th nut check, described output shaft two ends are capping five terminal lid respectively, the 6th end cap, described five terminal lid is fixed with the 9th bolt-locking, and described the 6th end cap is fixed on the gear box by the tenth bolt-locking.
The present invention compared with prior art, advantage is: simple in structure, ingenious, reasonable; Stable drive, noise is low; Adopt two grades of permanent power speed changes, be fit to the heavy duty cutting, reliable and stable.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1, the first bolt 1, pressing plate 2, spline housing 3, the second bolt 4, the first angular contact bearing 5, belt pulley 6, the first spacer 7, the second spacer 8, the 3rd spacer 9, the second angular contact bearing 10, flange plate 11, the 3rd bolt 12, bearing housing 13, input shaft 14, spacer 15, the first double-row cylindrical roller selfaligning bearing 16, the first nut 17, the 4th spacer 18, the first gear 19, the second nut 20, the second double-row cylindrical roller selfaligning bearing 21, gear box 22, plane bearing 23, the 7th end cap 24, the 4th bolt 25, the 5th bolt 26, the first end cap 27, the first roller bearing 28, the 3rd nut 29, the first transmission shaft 30, the 5th spacer 31, the second gear 32, the 6th spacer 33, the 3rd gear 34, the 4th nut 35, the second roller bearing 36, the 6th bolt 37, the second end cap 38, the 7th bolt 39, the 3rd end cap 40, three cylindrical roller bearing 41, the 4th gear 42, the 5th nut 43, the 7th spacer 44, second driving shaft 45, the first deep groove ball bearing group 46, the 5th gear 47, deep groove ball bearing 48, the first small gear 49, the second small gear 50, the second deep groove ball bearing group 51, the 6th nut 52, the 4th roller bearing 53, the 4th end cap 54, octadentate wheel 55, the 8th bolt 56, the 9th bolt 57, five terminal lid 58, the 5th roller bearing 59, the 9th gear 60, output shaft 61, the 7th nut 62, the 8th spacer 63, the tenth gear 64, the 9th spacer 65, the 8th nut 66, the 6th roller bearing 67, the 6th end cap 68, the ten road bolt 69, small gear group 70 etc.
As shown in Figure 1, the present invention is a kind of second gear gearbox designs, comprise gear box 22, be arranged on the input shaft 14 of gear box 22 1 ends, be arranged on the first transmission shaft 30 in the gear box 22, second driving shaft 45, be arranged on the output shaft 61 of the gear box 22 interior the other ends, the first gear 19 is installed on the described input shaft 14, described the first gear 19 matches with the second gear 32 on being installed in the first transmission shaft 30, on described the first transmission shaft 30 the 3rd gear 34 is installed also, described the second gear 32, the 3rd gear 34 respectively with second driving shaft 45 on the 5th gear 47, octadentate wheel 55 matches, the 4th gear 42 also is installed on the described second driving shaft 45, described the 4th gear 42 matches with the 9th gear 60 on the output shaft 61, the tenth gear 64 also is installed on the described output shaft 61, described the 5th gear 47 has internal tooth and external tooth, in the endoporus of described the 5th gear 47 external tooths part correspondence two deep groove ball bearings are installed, described the 5th gear 47 interior toothed portions small gear group 70 interior with being installed in second driving shaft 45 keyways matches; Described octadentate wheel 55 has internal tooth and external tooth, and described octadentate is taken turns in endoporus corresponding to 55 external tooths part two deep groove ball bearings are installed, and the small gear group 70 in described octadentate is taken turns 55 interior toothed portions and is installed in second driving shaft 45 keyways matches.
Described small gear group 22 comprises the first small gear 49 and the second small gear 50 that is fixedly connected with bolt, and described the first small gear 49 and the second small gear 50 attachment portions are equipped with deep groove ball bearing 48.
Described input shaft 14 is by the first biserial roller selfaligning bearing 16, the second biserial roller selfaligning bearing 21 is installed on the gear box 22, described the first gear 19 1 ends separate by the 4th spacer 18 that is sleeved on the input shaft 14, described the first gear 19 the other ends are locked by the second nut 20, described the 4th spacer 18 upper ends are locked by the first nut 17, described plane bearing 23 is installed in input shaft 14 axle heads the second biserial roller selfaligning bearing 21 belows, plane bearing 23 is by the 7th end cap 24 location, with 25 lockings of the 4th bolt, the 3rd spacer 9 is installed on the input shaft 14, be used for positioning shaft bearing sleeve 13,16 of bearing housing 13 and the first double-row cylindrical roller selfaligning bearings separate with spacer 15, the first angular contact ball bearing 5 and the second angular contact bearing 10 are installed in respectively on the bearing housing 13, belt pulley 6 is installed on described the first angular contact ball bearing 5 and the second angular contact bearing 10, described the first angular contact ball bearing 5 and the second angular contact bearing 10 are middle with the first spacer 7, the second spacer 8 separates, flange plate 11 usefulness the 3rd bolt 12 is fixed on the belt pulley 6, spline housing 3 is sleeved on input shaft 14 ends, be fixed on belt pulley 6 upper ends with the second bolt 4, pressing plate 2 usefulness the first bolt 1 is fixed on the input shaft 14.
Described the first transmission shaft 30 two ends are respectively by the first roller bearing 28, the second roller bearing 36 is installed on the gear box 22, suit the 6th spacer 33 on 34 the first transmission shafts 30 of described the second gear 32 and the 3rd gear, described the second gear 32 upper ends are by the 5th spacer 31 location, described the 5th spacer 31 upper ends are locked with the 3rd nut 29, described the 3rd gear 34 lower ends are locked by the 4th nut 35, described the first transmission shaft 30 two ends are capping the first end cap 27 respectively, the second end cap 38, described the first end cap 27 usefulness the 5th bolt 26 is locked, and described the second end cap 38 is locked by the 6th bolt 37.
Described second driving shaft 45 two ends are respectively by three cylindrical roller bearing 41, the 4th roller bearing 53 is installed on the gearbox casing 22, described the 4th gear 42 upper ends are locked with the 5th nut 43, the deep groove ball bearing lower end that described octadentate is taken turns in 55 holes is locked by the 6th nut 52, suit the 7th spacer 44 on described the 4th gear 42 below second driving shafts 45, described the 7th spacer 44 lower ends compress the deep groove ball bearing in the 5th gear 47 holes, described second driving shaft 45 two ends are capping the 3rd end cap 40 respectively, the 4th end cap 54, described the 3rd end cap 40 usefulness the 7th bolt 39 is locked, and described the 4th end cap 54 is locked by the 8th bolt 56.
Described output shaft 61 two ends are respectively by the 5th roller bearing 59, the 6th roller bearing 67 is installed in gear box 22 holes, described the 9th gear 60,64 of the tenth gears separate with the 8th spacer 63, suit the 9th spacer 65 on described the tenth gear 64 lower end output shafts 61, described the 9th gear 60 upper ends are locked by the 7th nut 62, described the 9th spacer 65 lower ends are locked by the 8th nut 66, described output shaft 61 two ends are capping five terminal lid 58 respectively, the 6th end cap 68, described five terminal lid 58 usefulness the 9th bolt 57 is locked, and described the 6th end cap 68 is locked on gear box 22 by the tenth bolt 69.
The present invention is simple in structure, ingenious, reasonable; Stable drive, noise is low; Adopt two grades of permanent power speed changes, be fit to the heavy duty cutting, reliable and stable.

Claims (6)

1. second gear gearbox designs, comprise gear box (22), be arranged on the input shaft (14) of gear box (22) one ends, be arranged on the first transmission shaft (30) in the gear box (22), second driving shaft (45), be arranged on the output shaft (61) of the interior the other end of gear box (22), upper the first gear (19) of installing of described input shaft (14), described the first gear (19) matches with the second gear (32) on being installed in the first transmission shaft (30), the 3rd gear (34) also is installed on described the first transmission shaft (30), described the second gear (32), the 3rd gear (34) respectively with second driving shaft (45) on the 5th gear (47), octadentate wheel (55) matches, the 4th gear (42) also is installed on the described second driving shaft (45), described the 4th gear (42) matches with the 9th gear (60) on the output shaft (61), the tenth gear (64) also is installed on the described output shaft (61), it is characterized in that: described the 5th gear (47) has internal tooth and external tooth, in the endoporus of described the 5th gear (47) external tooth part correspondence two deep groove ball bearings are installed, the interior toothed portion of described the 5th gear (47) the small gear group (22) interior with being installed in second driving shaft (45) keyway matches; Described octadentate wheel (55) has internal tooth and external tooth, in the endoporus of described octadentate wheel (55) external tooth part correspondence two deep groove ball bearings are installed, described octadentate wheel (55) interior toothed portion and the small gear group (22) that is installed in second driving shaft (45) keyway match.
2. second gear gearbox designs as claimed in claim 1, it is characterized in that: described small gear group (22) comprises the first small gear (49) and the second small gear (50) that is fixedly connected with bolt, and described the first small gear (49) and the second small gear (50) attachment portion are equipped with deep groove ball bearing (48).
3. second gear gearbox designs as claimed in claim 1, it is characterized in that: described input shaft (14) is by the first biserial roller selfaligning bearing (16), the second biserial roller selfaligning bearing (21) is installed on the gear box (22), described the first gear (19) one ends separate by the 4th spacer (18) that is sleeved on the input shaft (14), described the first gear (19) the other end is locked by the second nut (20), described the 4th spacer (18) upper end is locked by the first nut (17), described plane bearing (23) is installed in input shaft (14) axle head the second biserial roller selfaligning bearing (21) below, plane bearing (23) is by the second end cap (24) location, lock with the 4th bolt (25), the 3rd spacer (9) is installed on the input shaft (14), be used for positioning shaft bearing sleeve (13), separate with spacer (15) between bearing housing (13) and the first double-row cylindrical roller selfaligning bearing (16), the first angular contact ball bearing (5) and the second angular contact bearing (10) are installed in respectively on the bearing housing (13), belt pulley (6) is installed on described the first angular contact ball bearing (5) and the second angular contact bearing (10), described the first angular contact ball bearing (5) and the second angular contact bearing (10) are middle with the first spacer (7), the second spacer (8) separates, flange plate (11) is fixed on the belt pulley (6) with the 3rd bolt (12), spline housing (3) is sleeved on input shaft (14) end, be fixed on belt pulley (6) upper end with the second bolt (4), pressing plate (2) is fixed on the input shaft (14) with the first bolt (1).
4. second gear gearbox designs as claimed in claim 1, it is characterized in that: described the first transmission shaft (30) two ends are respectively by the first roller bearing (28), the second roller bearing (36) is installed on the gear box (22), the upper suit of the first transmission shaft (30) the 6th spacer (33) between described the second gear (32) and the 3rd gear (34), described the second gear (32) upper end is by the 5th spacer (31) location, described the 5th spacer (31) upper end is locked with the 3rd nut (29), described the 3rd gear (34) lower end is locked by the 4th nut (35), described the first transmission shaft (30) two ends are capping the first end cap (27) respectively, the second end cap (38), described the first end cap (27) is locked with the 5th bolt (26), and described the second end cap (38) is locked by the 6th bolt (37).
5. second gear gearbox designs as claimed in claim 1, it is characterized in that: described second driving shaft (45) two ends are respectively by three cylindrical roller bearing (41), the 4th roller bearing (53) is installed on the gearbox casing (22), described the 4th gear (42) upper end is locked with the 5th nut (43), deep groove ball bearing lower end in described octadentate wheel (55) hole is locked by the 6th nut (52), the upper suit of described the 4th gear (42) below second driving shaft (45) the 7th spacer (44), described the 7th spacer (44) lower end compresses the deep groove ball bearing in the 5th gear (47) hole, described second driving shaft (45) two ends are capping the 3rd end cap (40) respectively, the 4th end cap (54), described the 3rd end cap (40) is locked with the 7th bolt (39), and described the 4th end cap (54) is locked by the 8th bolt (56).
6. second gear gearbox designs as claimed in claim 1, it is characterized in that: described output shaft (61) two ends are respectively by the 5th roller bearing (59), the 6th roller bearing (67) is installed in gear box (22) hole, described the 9th gear (60), separate with the 8th spacer (63) between the tenth gear (64), the upper suit of described the tenth gear (64) lower end output shaft (61) the 9th spacer (65), described the 9th gear (60) upper end is locked by the 7th nut (62), described the 9th spacer (65) lower end is locked by the 8th nut (66), described output shaft (61) two ends are capping five terminal lid (58) respectively, the 6th end cap (68), described five terminal lid (58) is locked with the 9th bolt (57), and described the 6th end cap (68) is locked on gear box (22) by the tenth bolt (69).
CN201210476619.0A 2012-11-21 2012-11-21 Second gear gearbox designs Expired - Fee Related CN103016643B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201210476619.0A CN103016643B (en) 2012-11-21 2012-11-21 Second gear gearbox designs

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CN103016643B CN103016643B (en) 2015-09-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644288A (en) * 2013-11-18 2014-03-19 无锡京华重工装备制造有限公司 Gearbox structure
CN104174878A (en) * 2014-07-30 2014-12-03 周玉梅 Spindle device for vertical turning machine bed
CN106641124A (en) * 2017-01-11 2017-05-10 江苏泰隆减速机股份有限公司 Double speed ratio gear reducer for workover rig winch

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050268745A1 (en) * 2004-06-08 2005-12-08 Chao-Chang Ho Gearbox in all terrain vehicle power unit
RU2375622C1 (en) * 2008-07-10 2009-12-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Gear reducer
CN201415341Y (en) * 2009-02-13 2010-03-03 大连国丰机床有限公司 Seven-shaft gearbox for lathes
CN202152827U (en) * 2011-07-26 2012-02-29 天津百利天星传动有限公司 High-power three-level parallel shaft harden-tooth-surface gear reducer
CN202937740U (en) * 2012-11-21 2013-05-15 无锡京华重工装备制造有限公司 Two-gear transmission case structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050268745A1 (en) * 2004-06-08 2005-12-08 Chao-Chang Ho Gearbox in all terrain vehicle power unit
RU2375622C1 (en) * 2008-07-10 2009-12-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Gear reducer
CN201415341Y (en) * 2009-02-13 2010-03-03 大连国丰机床有限公司 Seven-shaft gearbox for lathes
CN202152827U (en) * 2011-07-26 2012-02-29 天津百利天星传动有限公司 High-power three-level parallel shaft harden-tooth-surface gear reducer
CN202937740U (en) * 2012-11-21 2013-05-15 无锡京华重工装备制造有限公司 Two-gear transmission case structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644288A (en) * 2013-11-18 2014-03-19 无锡京华重工装备制造有限公司 Gearbox structure
CN103644288B (en) * 2013-11-18 2016-01-06 无锡京华重工装备制造有限公司 A kind of gearbox designs
CN104174878A (en) * 2014-07-30 2014-12-03 周玉梅 Spindle device for vertical turning machine bed
CN106641124A (en) * 2017-01-11 2017-05-10 江苏泰隆减速机股份有限公司 Double speed ratio gear reducer for workover rig winch

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