CN102996728B - Four-gear speed changing box structure of double-column vertical lathe - Google Patents
Four-gear speed changing box structure of double-column vertical lathe Download PDFInfo
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- CN102996728B CN102996728B CN201210541030.4A CN201210541030A CN102996728B CN 102996728 B CN102996728 B CN 102996728B CN 201210541030 A CN201210541030 A CN 201210541030A CN 102996728 B CN102996728 B CN 102996728B
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- 125000006850 spacer group Chemical group 0.000 claims description 51
- 238000009434 installation Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention relates to a four-gear speed changing box structure of a double-column vertical lathe, which is particularly suitable for a vertical lathe. The invention particularly relates to the four-gear speed changing box structure of the double-column vertical lathe, comprising a box body, wherein a separation plate is used for dividing the box body into a first box body and a second box body; the first box body is internally provided with a first shaft, a second shaft and a third shaft; the second box body is internally provided with a fifth shaft and a sixth shaft; and a fourth shaft penetrates through the first box body and the second box body. According to the four-gear speed changing box structure of the double-column vertical lathe, the speed changing box structure in the prior art is improved; the existing sixteen-gear speed changing is changed into four-gear speed changing so that the quantity of middle transmission gears is reduced and equipment is conveniently maintained; and a variable frequency motor is used for driving so that a larger speed changing range can be obtained, and the four-gear speed changing box structure is suitable for heavy-duty cutting, is convenient to use, is low in manufacturing cost and is easy to maintain.
Description
Technical field
The present invention relates to a kind of gearbox designs, be specially adapted to vertical lathe, be specially vertical lathe four-speed gear shift box structure.
Background technique
Vertical car is mainly used in processing short large-scale, the heavy workpiece of large, the length of diameter and the not easily workpiece of clamping on horizontal lathe, when swing diameter meets, too heavy workpiece at sleeping carriage not easily clamping, due to dead weight, there is impact to machining accuracy, adopt vertical car to solve the problem.
In vertical lathe industry, gearbox adopts many grades of speed changes can provide the speed change of invariable power in a big way, and opposition Vehicle Processing has a direct impact.At present, most of vertical lathe main-gear box adopts 16 grades of drive mechanisms, but in this structure, driving gear is more, causes transmitted power to lose, and intermediate transfer parts also result in structural complexity more, causes plant maintenance inconvenient.Therefore, design is optimized to the structure of gearbox, has very large meaning to raising Workpiece Machining Accuracy.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of double column vertical lathes four-speed gear shift box structure is provided, this gearbox designs is simple, operate steadily.
According to technological scheme of the present invention: double column vertical lathes four-speed gear shift box structure, feature is: comprise casing, described casing is divided into the first casing, the second casing by dividing plate, first axle, the second axle, the 3rd axle are set in described first casing, arrange the 5th axle, the 6th axle in described second casing, the 4th axle runs through the first casing, the second casing, described first axle installs the first gear, described first gear matches with the 3rd gear be arranged on the second axle, described second axle is also provided with the second gear, described second gear matches with the 4th gear be arranged on the 3rd axle, described 3rd axle is also provided with the 9th gear, described 4th gear matches with the first gear train be arranged on the 4th axle, described first gear train is by the tenth jump ring location, described first gear train arranges the first groove, 4th axle is positioned on axle that the second box house divides installs the tenth gear, 5th axle is provided with the second gear train, described second gear train is by the 6th jump ring location, described second gear train arranges the second groove, 6th axle is installed octadentate wheel, 7th gear, casing is also provided with the first gearshift, second gearshift, described first gearshift comprises the first telescopic oil cylinder, be fixedly installed on the first shift fork of the first telescopic oil cylinder end, second fit depressions of described first shift fork and the second gear train, described second gearshift comprises the second telescopic oil cylinder, be fixedly installed on the second shift fork on the second telescopic oil cylinder, first fit depressions of described second shift fork and the first gear train.
As a further improvement on the present invention, described first gear train comprises the 11 gear, the 12 gear, described 11 gear axial end arranges the first axle sleeve, 12 gear shaft arranges the second axle sleeve to end face, 12 gear is arranged on by the second flat key on the first axle sleeve of the 11 gear, and described second axle sleeve radial direction arranges the first groove.
As a further improvement on the present invention, described second gear train comprises the 5th gear, the 6th gear, described 5th gear axial end arranges the 3rd axle sleeve, 6th gear axial end arranges the 4th axle sleeve, 5th gear is arranged on the 4th axle sleeve of the 6th gear by the first flat key, and the 3rd axle sleeve radial direction of described 5th gear arranges the second groove.
As a further improvement on the present invention, described first axle is arranged on the first casing by clutch shaft bearing, the second bearing, described clutch shaft bearing is by the first jump ring location, described second bearing is by the 5th jump ring location, described first gear two end axles is set with the first spacer, the 6th spacer, described first axle is input shaft.
As a further improvement on the present invention, described second axle two ends are arranged on the first casing respectively by the second bearing, the second bearing on described wall box is by the second jump ring location, separated by the 3rd spacer between described second gear and the 3rd gear, the described second gear the other end is by the second spacer location, the described 3rd gear the other end is by the 7th spacer location, between described 7th spacer and the second bearing, the 8th spacer is set, described second axle axle head capping second hubcap, described second hubcap passes through the first bolton on casing.
As a further improvement on the present invention, described 3rd axle two ends are arranged on the first casing respectively by the 3rd bearing, the 3rd bearing that described 3rd axle is arranged on dividing plate one end is arranged on dividing plate by the second bearing housing, the 3rd bearing on wall box is by the 3rd jump ring location, separated by the 4th spacer between described 4th gear and the 9th gear, the described 4th gear the other end is by the 5th spacer location, the 9th gear the other end is by the 11 spacer location, described 3rd axle axle head capping the 3rd hubcap, described 3rd hubcap passes through the second bolton on casing.
As a further improvement on the present invention, described 4th axle two ends are respectively by the 4th bearing, tenth bearing is arranged on casing, described 4th bearing is arranged in clutch shaft bearing cover, described clutch shaft bearing cover outside is by the 4th jump ring location the 4th bearing, 4th axle intermediate portion is bearing on dividing plate by the 9th bearing, described 9th bearing is fixed spacing by the 9th jump ring, between described tenth gear and the tenth bearing, the 12 spacer is set, axle head capping the 4th hubcap on the left of described 4th axle, described 4th hubcap is bolted on casing by the 3rd, on the right side of 4th axle, axle head arranges the 4th shaft pressuring plate, described 4th shaft pressuring plate is bolted to the 4th axial end by the 4th.
As a further improvement on the present invention, described 5th axle two ends are arranged on the second casing respectively by the 9th bearing, the 6th bearing, be positioned on the 5th axle by the 7th jump ring outside described 6th bearing, the second bearing on described 9th bearing and dividing plate is separated by the 9th spacer.
Described 6th axle two ends are arranged on the second casing respectively by the 7th bearing, the 8th bearing, described 7th gear left end shaft arranges the 8th jump ring, right-hand member axle is arranged the tenth spacer.
As a further improvement on the present invention, also locking bar is installed in described first casing.
Technique effect of the present invention is: the present invention is by improving vertical lathe gearbox designs of the prior art, by changing existing 16 grades of speed changes into 4 grades of speed changes, decrease the quantity of intermediate drive gear, plant maintenance is got up convenient, adopt variable-frequency motor to drive, larger slewing range can be obtained, be applicable to heavy duty to cut, easy to use, fabricating cost is low, is easy to safeguard.
Accompanying drawing explanation
Fig. 1 is that section of the present invention launches schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
In Fig. 1, comprise casing 1, first gear 2, first spacer 3, first jump ring 4, clutch shaft bearing 5, first axle 6, second gear 7, second spacer 8, 3rd spacer 9, 3rd gear 10, second axle 11, second jump ring 12, second bearing 13, second hubcap 14, first bolt 15, 4th gear 16, 4th spacer 17, 3rd axle 18, 3rd jump ring 19, 3rd hubcap 20, 3rd bearing 21, 5th spacer 22, second bolt 23, clutch shaft bearing cover 24, 4th hubcap 25, 4th axle 26, 4th jump ring 27, 4th bearing 28, 3rd bolt 29, first gearshift 30, second gearshift 31, locking bar 32, 6th spacer 33, second bearing 34, 5th jump ring 35, 7th spacer 36, 8th spacer 37, 6th jump ring 38, 5th gear 39, first flat key 40, 6th gear 41, 9th spacer 42, 5th axle 43, 6th bearing 44, 7th jump ring 45, 7th gear 46, 8th jump ring 47, 7th bearing 48, tenth spacer 49, 6th axle 50, octadentate wheel 51, 8th bearing 52, 11 spacer 53, 9th gear 54, second bearing housing 55, 4th bolt 56, tenth gear 57, 4th shaft pressuring plate 58, 9th bearing 59, tenth bearing 60, 12 spacer 61, 9th jump ring 62, second flat key 63, tenth jump ring 64, 11 gear 65, 12 gear 66, dividing plate 67, first casing 68, second casing 69, first gear train 70, second gear train 71, second axle sleeve 72, 3rd axle sleeve 73, 4th axle sleeve 74, 9th bearing 75, first groove 76, second groove 77, first telescopic oil cylinder 78, first shift fork 79, second telescopic oil cylinder 80, second shift fork 81, first axle sleeve 82 etc.
As shown in Figure 1, the present invention is a kind of vertical lathe four-speed gear shift box structure, comprise casing 1, described casing 1 is divided into the first casing 68, second casing 69 by dividing plate 67, first axle 6, second axle 11, the 3rd axle 18 are set in described first casing 68,5th axle 43 is set in described second casing 69, the 6th axle the 50, four axle 26 runs through the first casing 68, second casing 69, described first axle 6 installs the first gear 2, described first gear 2 matches with the 3rd gear 10 be arranged on the second axle 11, described second axle 11 is also provided with the second gear 7, described second gear 7 matches with the 4th gear 16 be arranged on the 3rd axle 18, described 3rd axle 18 is also provided with the 9th gear 54, described 4th gear 16 matches with the first gear train 70 be arranged on the 4th axle 26, described first gear train 70 is located by the tenth jump ring 64, described first gear train 70 arranges the first groove 76, 4th axle 26 is positioned on the second casing 69 axle partly installs the tenth gear 57, 5th axle 43 is provided with the second gear train 71, described second gear train 71 is located by the 6th jump ring 38, described second gear train 71 arranges the second groove 77, 6th axle 50 is installed octadentate wheel 51, 7th gear 46, casing 1 is also provided with the first gearshift 30, second gearshift 31, described first gearshift 30 comprises the first telescopic oil cylinder 78, be fixedly installed on the first shift fork 79 of the first telescopic oil cylinder 78 end, described first shift fork 79 matches with the second groove 77 of the second gear train 71, described second gearshift 31 comprises the second telescopic oil cylinder 80, be fixedly installed on the second shift fork 81 on the second telescopic oil cylinder, described second shift fork 81 matches with the first groove 76 of the first gear train 70.
Described first gear train 70 comprises the 11 gear the 65, the 12 gear 66, described 11 gear 65 axial end arranges the first axle sleeve 82,12 gear 66 axial end arranges the second axle sleeve 72,12 gear 66 is arranged on the first axle sleeve 82 of the 11 gear 65 by the second flat key 63, and described second axle sleeve 72 radial direction arranges the first groove 76.
Described second gear train 71 comprises the 5th gear 39, the 6th gear 41, described 5th gear 39 axial end arranges the 3rd axle sleeve 73,6th gear 41 axial end arranges the 4th axle sleeve 74,5th gear 39 is arranged on the 4th axle sleeve 74 of the 6th gear 41 by the first flat key 40, and the 3rd axle sleeve 73 radial direction of described 5th gear 39 arranges the second groove 77.
Described first axle 6 is arranged on the first casing 68 by clutch shaft bearing 5, second bearing 34, described clutch shaft bearing 5 is located by the first jump ring 4, described second bearing 34 is located by the 5th jump ring 35, described first gear 2 two end axles is set with the first spacer 3, the 6th spacer 33, and described first axle 6 is input shaft.
Described second axle 11 two ends are arranged on the first casing 68 respectively by the second bearing 13, the second bearing 13 on described casing 1 sidewall is located by the second jump ring 12, separated by the 3rd spacer 9 between described second gear 7 and the 3rd gear 10, described second gear 7 the other end is located by the second spacer 8, described 3rd gear 10 the other end is located by the 7th spacer 36, between described 7th spacer 36 and the second bearing 13, the 8th spacer 37 is set, described second axle 11 axle head capping second hubcap 14, described second hubcap 14 is fastened on casing 1 by the first bolt 15.
Described 3rd axle 18 two ends are arranged on the first casing 68 respectively by the 3rd bearing 21, the 3rd bearing 21 that described 3rd axle 18 is arranged on dividing plate 67 one end is arranged on dividing plate 67 by the second bearing housing 55, the 3rd bearing 21 on casing 1 sidewall is located by the 3rd jump ring 19, separated by the 4th spacer 17 between described 4th gear 16 and the 9th gear 54, described 4th gear 16 the other end is located by the 5th spacer 22, 9th gear 54 the other end is located by the 11 spacer 53, described 3rd axle 18 axle head capping the 3rd hubcap 20, described 3rd hubcap 20 is fastened on casing 1 by the second bolt 23.
Described 4th axle 26 two ends are respectively by the 4th bearing 28, tenth bearing 60 is arranged on casing 1, described 4th bearing 28 is arranged in clutch shaft bearing cover 24, the 4th bearing 28 is located by the 4th jump ring 27 outside described clutch shaft bearing cover 24, 4th axle 26 intermediate portion is bearing on dividing plate 67 by the 9th bearing 59, described 9th bearing 59 is fixed spacing by the 9th jump ring 62, between described tenth gear 57 and the tenth bearing 60, the 12 spacer 61 is set, axle head capping the 4th hubcap 25 on the left of described 4th axle 26, described 4th hubcap 25 is fixed on casing 1 by the 3rd bolt 29, on the right side of 4th axle 26, axle head arranges the 4th shaft pressuring plate 58, described 4th shaft pressuring plate 58 is fixed on the 4th axle 26 end face by the 4th bolt 56.
Described 5th axle 43 two ends are arranged on the second casing 69 respectively by the 9th bearing 75, the 6th bearing 44, be positioned on the 5th axle 43 by the 7th jump ring 45 outside described 6th bearing 44, described 9th bearing 75 is separated by the 9th spacer 42 with the second bearing 13 on dividing plate 67.
Described 6th axle 50 two ends are arranged on the second casing 69 respectively by the 7th bearing 48, the 8th bearing 52, described 7th gear 46 left end shaft arranges the 8th jump ring 47, right-hand member axle is arranged the tenth spacer 49.
In described first casing 68, locking bar 32 is also installed.
As shown in Figure 1, vertical lathe four-speed gear shift box structure first axle 6 of the present invention is as input shaft, 6th axle 50 is as output shaft, 4th axle 26 is arranged the first gear train 70, first gear train 70 can slide axially under the effect of the second shift fork 81 on the 4th axle 26, the 11 gear 65 on first gear train 70 is matched or the 12 gear 66 on the first gear train 70 is formed with the 9th gear 54 on the 3rd axle 18 and engages with the 4th gear 16 on the 3rd axle 18, after the first gear train 70 slip puts in place, locking bar 32 is stuck in the groove of the first telescopic oil cylinder 78, 5th axle 43 is arranged the second gear train 71, second gear train 71 can slide axially under the first shift fork 79 acts on the 5th axle 43, second gear train 71 slides axially in process, 5th gear 39 is meshed with the tenth gear 57 on the 4th axle 26 all the time, the slip of the second gear train 71, make the 5th gear 39 and the octadentate on the 6th axle 50 take turns 51 to engage or the 6th gear 41 of the second gear train 71 is formed with the 7th gear 46 on the 6th axle 50 and engages, after the second gear train 71 slip puts in place, locking bar 32 is stuck in the groove of the second telescopic oil cylinder 80.
The present invention is by improving vertical lathe gearbox designs of the prior art, by changing existing 16 grades of speed changes into 4 grades of speed changes, decrease the quantity of intermediate drive gear, plant maintenance is got up convenient, adopt variable-frequency motor to drive, larger slewing range can be obtained, be applicable to heavy duty to cut, easy to use, fabricating cost is low, is easy to safeguard.
Claims (10)
1. double column vertical lathes four-speed gear shift box structure, it is characterized in that: comprise casing (1), described casing (1) is divided into the first casing (68), the second casing (69) by dividing plate (67), first axle (6), the second axle (11), the 3rd axle (18) are set in described first casing (68), arrange the 5th axle (43), the 6th axle (50) in described second casing (69), the 4th axle (26) runs through the first casing (68), the second casing (69), upper installation first gear (2) of described first axle (6), described first gear (2) is matched with the 3rd gear (10) be arranged on the second axle (11), described second axle (11) is also provided with the second gear (7), described second gear (7) is matched with the 4th gear (16) be arranged on the 3rd axle (18), described 3rd axle (18) is also provided with the 9th gear (54), described 4th gear (16) matches with the first gear train (70) be arranged on the 4th axle (26), described first gear train (70) is located by the tenth jump ring (64), described first gear train (70) arranges the first groove (76), 4th axle (26) is positioned on the second casing (69) axle partly installs the tenth gear (57), 5th axle (43) is provided with the second gear train (71), described second gear train (71) is located by the 6th jump ring (38), described second gear train (71) arranges the second groove (77), upper installation octadentate wheel (51) of 6th axle (50), 7th gear (46), casing (1) is also provided with the first gearshift (30), second gearshift (31), described first gearshift (30) comprises the first telescopic oil cylinder (78), be fixedly installed on first shift fork (79) of the first telescopic oil cylinder (78) end, described first shift fork (79) is matched with second groove (77) of the second gear train (71), described second gearshift (31) comprises the second telescopic oil cylinder (80), be fixedly installed on the second shift fork (81) on the second telescopic oil cylinder, described second shift fork (81) is matched with first groove (76) of the first gear train (70).
2. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described first gear train (70) comprises the 11 gear (65), the 12 gear (66), described 11 gear (65) axial end arranges the first axle sleeve (82), 12 gear (66) axial end arranges the second axle sleeve (72), 12 gear (66) is arranged on by the second flat key (63) on first axle sleeve (82) of the 11 gear (65), and described second axle sleeve (72) radial direction arranges the first groove (76).
3. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described second gear train (71) comprises the 5th gear (39), the 6th gear (41), described 5th gear (39) axial end arranges the 3rd axle sleeve (73), 6th gear (41) axial end arranges the 4th axle sleeve (74), 5th gear (39) is arranged on the 4th axle sleeve (74) of the 6th gear (41) by the first flat key (40), and the 3rd axle sleeve (73) radial direction of described 5th gear (39) arranges the second groove (77).
4. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described first axle (6) is arranged on the first casing (68) by clutch shaft bearing (5), the second bearing (34), described clutch shaft bearing (5) is located by the first jump ring (4), described second bearing (34) is located by the 5th jump ring (35), described first gear (2) two end axles is set with the first spacer (3), the 6th spacer (33), described first axle (6) is input shaft.
5. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described second axle (11) two ends are arranged on the first casing (68) respectively by the second bearing (13), the second bearing (13) on described casing (1) sidewall is located by the second jump ring (12), separated by the 3rd spacer (9) between described second gear (7) and the 3rd gear (10), described second gear (7) the other end is by the second spacer (8) location, described 3rd gear (10) the other end is by the 7th spacer (36) location, between described 7th spacer (36) and the second bearing (13), the 8th spacer (37) is set, described second axle (11) axle head capping second hubcap (14), described second hubcap (14) is fastened on casing (1) by the first bolt (15).
6. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described 3rd axle (18) two ends are arranged on the first casing (68) respectively by the 3rd bearing (21), the 3rd bearing (21) that described 3rd axle (18) is arranged on dividing plate (67) one end is arranged on dividing plate (67) by the second bearing housing (55), the 3rd bearing (21) on casing (1) sidewall is located by the 3rd jump ring (19), separated by the 4th spacer (17) between described 4th gear (16) and the 9th gear (54), described 4th gear (16) the other end is by the 5th spacer (22) location, 9th gear (54) the other end is by the 11 spacer (53) location, described 3rd axle (18) axle head capping the 3rd hubcap (20), described 3rd hubcap (20) is fastened on casing (1) by the second bolt (23).
7. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described 4th axle (26) two ends are respectively by the 4th bearing (28), tenth bearing (60) is arranged on casing (1), described 4th bearing (28) is arranged in clutch shaft bearing cover (24), described clutch shaft bearing cover (24) outside is by the 4th jump ring (27) location the 4th bearing (28), 4th axle (26) intermediate portion is bearing on dividing plate (67) by the 9th bearing (59), described 9th bearing (59) is fixing spacing by the 9th jump ring (62), between described tenth gear (57) and the tenth bearing (60), the 12 spacer (61) is set, described 4th axle (26) left side axle head capping the 4th hubcap (25), described 4th hubcap (25) is fixed on casing (1) by the 3rd bolt (29), 4th axle (26) right side axle head arranges the 4th shaft pressuring plate (58), described 4th shaft pressuring plate (58) is fixed on the 4th axle (26) end face by the 4th bolt (56).
8. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described 5th axle (43) two ends are arranged on the second casing (69) respectively by the 9th bearing (75), the 6th bearing (44), described 6th bearing (44) outside is positioned on the 5th axle (43) by the 7th jump ring (45), and described 9th bearing (75) is separated by the 9th spacer (42) with the second bearing (13) on dividing plate (67).
9. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: described 6th axle (50) two ends are arranged on the second casing (69) respectively by the 7th bearing (48), the 8th bearing (52), described 7th gear (46) left end shaft arranges the 8th jump ring (47), right-hand member axle is arranged the tenth spacer (49).
10. according to double column vertical lathes four-speed gear shift box structure according to claim 1, it is characterized in that: in described first casing (68), locking bar (32) is also installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541030.4A CN102996728B (en) | 2012-12-14 | 2012-12-14 | Four-gear speed changing box structure of double-column vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541030.4A CN102996728B (en) | 2012-12-14 | 2012-12-14 | Four-gear speed changing box structure of double-column vertical lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996728A CN102996728A (en) | 2013-03-27 |
| CN102996728B true CN102996728B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210541030.4A Expired - Fee Related CN102996728B (en) | 2012-12-14 | 2012-12-14 | Four-gear speed changing box structure of double-column vertical lathe |
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| Country | Link |
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| CN (1) | CN102996728B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615804A1 (en) * | 1993-03-19 | 1994-09-21 | DÖRRIES SCHARMANN GmbH | Process and device for drawing metallic blanks for the manufacture of so-called deep drawn pieces |
| US5970758A (en) * | 1998-11-13 | 1999-10-26 | Chan Hau Enterprise Co., Ltd. | Automobile steering lock |
| CN101704193A (en) * | 2009-11-05 | 2010-05-12 | 齐重数控装备股份有限公司 | Gear box of heavy CNC vertical turning machine |
| CN102091791A (en) * | 2011-01-10 | 2011-06-15 | 大连意美机械有限公司 | Numerical control double-post vertical lathe |
| CN202992057U (en) * | 2012-12-14 | 2013-06-12 | 无锡京华重工装备制造有限公司 | Double-column vertical lathe four-speed gearbox structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4741351B2 (en) * | 2005-11-24 | 2011-08-03 | 中村留精密工業株式会社 | Small lathe |
-
2012
- 2012-12-14 CN CN201210541030.4A patent/CN102996728B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615804A1 (en) * | 1993-03-19 | 1994-09-21 | DÖRRIES SCHARMANN GmbH | Process and device for drawing metallic blanks for the manufacture of so-called deep drawn pieces |
| US5970758A (en) * | 1998-11-13 | 1999-10-26 | Chan Hau Enterprise Co., Ltd. | Automobile steering lock |
| CN101704193A (en) * | 2009-11-05 | 2010-05-12 | 齐重数控装备股份有限公司 | Gear box of heavy CNC vertical turning machine |
| CN102091791A (en) * | 2011-01-10 | 2011-06-15 | 大连意美机械有限公司 | Numerical control double-post vertical lathe |
| CN202992057U (en) * | 2012-12-14 | 2013-06-12 | 无锡京华重工装备制造有限公司 | Double-column vertical lathe four-speed gearbox structure |
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| Publication number | Publication date |
|---|---|
| CN102996728A (en) | 2013-03-27 |
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