CN203548825U

CN203548825U - Gearbox structure

Info

Publication number: CN203548825U
Application number: CN201320729803.1U
Authority: CN
Inventors: 朱振强
Original assignee: Wuxi Jinghua Heavy Industry Equipment Manufacturing Co Ltd
Current assignee: Wuxi Jinghua Heavy Industry Equipment Manufacturing Co Ltd
Priority date: 2013-11-18
Filing date: 2013-11-18
Publication date: 2014-04-16
Anticipated expiration: 2023-11-18

Abstract

The utility model relates to a gearbox structure achieving gear shifting through an oil cylinder. The gearbox structure is especially suitable for a vertical lathe and comprises a gearbox body, an input shaft arranged at one end of the gearbox body, and an output shaft arranged at the other end of the inside of the gearbox body. The input shaft is provided with a first gear which is matched with a second gear arranged on the output shaft in a sliding mode, the input shaft is further provided with a third gear, a fourth gear is arranged in a mounting groove of the second gear, the oil cylinder is fixed on the side, corresponding to the output shaft, of the gearbox body, a piston rod of the oil cylinder is provided with a shift fork, and the rod end of the shift fork stretches into a clamping groove of the fourth gear. The gearbox structure is simple, ingenious and reasonable, stable in transmission and low in noise; two-gear constant-power speed changing is adopted, so that the gearbox structure is suitable for heavy load cutting and is stable and reliable.

Description

A kind of gearbox designs

Technical field

The utility model relates to a kind of gearbox designs of utilizing oil cylinder gear shift, is specially adapted to vertical lathe.

Background technique

Vertical car 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 satisfied situation of swing diameter, too heavy workpiece is difficult for clamping at sleeping carriage, due to dead weight, machining accuracy is had to impact, adopt vertical car to address the above problem.

In prior art, the transmission between vertical car gearbox gear is not steady, and gear shift is inaccurate, and opposition Vehicle Processing quality causes direct impact, and the structure of the car gearbox that therefore opposes is optimized design and just seems particularly necessary.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of gearbox designs simple in structure, ingenious, rational is provided, and it can be realized and utilize oil cylinder gear shift to reach speed change, and gearbox transmission process evenly, steadily, noise is little, and gear shift is reliable and stable.

The technological scheme providing according to the utility model: a kind of gearbox designs, be characterised in that: comprise gear box, be arranged on the input shaft of gear box one end, be arranged on the output shaft of the other end in gear box, the first gear is installed on described input shaft, and the first gear matches with the second gear being arranged on output shaft that slides, the 3rd gear is also installed on described input shaft, in the mounting groove of the second gear, be provided with the 4th gear, on described gear box, corresponding to output shaft one side, be also fixed with oil cylinder, on cylinder piston rod, be provided with shift fork, the rod end of shift fork stretches in the draw-in groove of the 4th gear.

As further improvement of the utility model, described input shaft is supported on gear box by selfaligning roller bearing, the first deep groove ball bearing, and the first gear on described input shaft and the 3rd gear are provided with the first spacer, the 5th spacer for interval the 3rd gear and the first deep groove ball bearing is also installed on described input shaft, and input shaft is fastened with the second gland corresponding to the axle head of the first deep groove ball bearing, arranged outside corresponding to selfaligning roller bearing on described input shaft has the second spacer, the input end outer ring sleeve of described input shaft is equipped with the 5th flange plate, the 5th outer ring, flange plate bottom is provided with three-flange dish, the second flange plate is fixed on outside framework oil seal between three-flange dish and the 5th flange plate, on the anterior external diameter of described the 5th flange plate, by the first angular contact ball bearing and the second angular contact ball bearing, be supported with belt pulley, and be provided with in addition the 4th spacer between above-mentioned two angular contact ball bearings, the 3rd spacer, the axle head of described input shaft is also set with the first flange plate, and the first flange plate inner ring diameter of axle outer surface fits in the diameter of axle internal surface of the 5th flange plate, the outer ring diameter of axle of the 5th flange plate holds out against in the outer ring of the first angular contact ball bearing, the first gland by bolton in the end axial surface of input shaft.

As further improvement of the utility model, the second deep groove ball bearing, the 3rd deep groove ball bearing rotating support are passed through respectively on gear box in described output shaft two ends, and described the second gear, the 4th gear form a pair of shifting slide gear; The output terminal of described output shaft is fixed on gear box by the 4th flange plate, in described the 4th flange plate, place the 6th spacer and roller bearing, on the spindle nose of described output shaft, be arranged with the 5th gear, and be fixed with for compressing the 4th gland of the 5th gear at the axle head of output shaft; Described output shaft has cover plate corresponding to the second deep groove ball bearing one side exterior edge face capping, and the axle head of output shaft is also fastened with for fixing the 3rd gland of the second deep groove ball bearing, and described the second deep groove ball bearing is arranged on gear box by the 6th flange plate.

As further improvement of the utility model, described oil cylinder is installed on gear box, and the tailpiece of the piston rod of oil cylinder fixes by the copper sheathing being arranged on gear box, and shift fork is fixed on the piston rod of oil cylinder by bolt and taper pin.

Compared with prior art, advantage is the utility model: the utility model is simple in structure, ingenious, reasonable; Stable drive, noise is low; Adopt the permanent power speed change of gear shift, be applicable to heavy duty cutting, reliable and stable.。

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Embodiment

Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.

As shown in Figure 1, comprise belt pulley 1, the first flange plate 2, the first angular contact ball bearing 3, the 3rd spacer 4, the 4th spacer 5, the first gland 6, the second angular contact ball bearing 7, the 5th flange plate 8, copper sheathing 9, the second flange plate 10, outside framework oil seal 11, three-flange dish 12, selfaligning roller bearing 13, the second spacer 14, gear box 15, the first gear 16, the first spacer 17, the 3rd gear 18, input shaft 19, the 5th spacer 20, the first deep groove ball bearing 21, the second gland 22, the 3rd deep groove ball bearing 23, the 4th flange plate 24, the 6th spacer 25, roller bearing 26, the 7th spacer 27, the 5th gear 28, the 4th gland 29, output shaft 30, the second gear 31, the 4th gear 32, cover plate 33, the 6th flange plate 34, the second deep groove ball bearing 35, the 3rd gland 36, oil cylinder 37, fork 38 etc.

As shown in Figure 1, a kind of gearbox designs of the utility model, comprise gear box 15, be arranged on the input shaft 19 of gear box 15 one end, be arranged on the output shaft 30 of the gear box 15 interior the other ends, the first gear 16 is installed on described input shaft 19, and the first gear 16 matches with the second gear 31 being arranged on output shaft 30 that slides, the 3rd gear 18 is also installed on described input shaft 19, in the mounting groove of the second gear 31, be provided with the 4th gear 32, on described gear box 15, corresponding to output shaft 30 1 sides, be also fixed with oil cylinder 37, on oil cylinder 37 piston rods, be provided with shift fork 38, the rod end of shift fork 38 stretches in the draw-in groove of the 4th gear 32.

Described input shaft 19 is supported on gear box 15 by selfaligning roller bearing 13, the first deep groove ball bearing 21, and the first gear 16 and the 3rd gear 18 on described input shaft 19 are provided with the first spacer 17, the 5th spacer 20 for interval the 3rd gear 18 and the first deep groove ball bearing 21 is also installed on described input shaft 19, and input shaft 19 is fastened with the second gland 22 corresponding to the axle head of the first deep groove ball bearing 21, arranged outside corresponding to selfaligning roller bearing 13 on described input shaft 19 has the second spacer 14, the input end outer ring sleeve of described input shaft 19 is equipped with the 5th flange plate 8, the 5th flange plate 8 outer rings, bottom are provided with three-flange dish 12, the second flange plate 10 is fixed on outside framework oil seal 11 between three-flange dish 12 and the 5th flange plate 8, on the anterior external diameter of described the 5th flange plate 8, by the first angular contact ball bearing 3 and the second angular contact ball bearing 7, be supported with belt pulley 1, and be provided with in addition the 4th spacer 5 between above-mentioned two angular contact ball bearings, the 3rd spacer 4, the axle head of described input shaft 19 is also set with the first flange plate 2, and the first flange plate 2 inner ring diameter of axle outer surfaces fit in the diameter of axle internal surface of the 5th flange plate 8, the outer ring diameter of axle of the 5th flange plate 8 holds out against in the outer ring of the first angular contact ball bearing 3, the first gland 6 by bolton in the end axial surface of input shaft 19.

The second deep groove ball bearing 35, the 3rd deep groove ball bearing 23 rotating supports are passed through respectively on gear box in described output shaft 30 two ends, and described the second gear 31, the 4th gear 32 form a pair of shifting slide gear; The output terminal of described output shaft 30 is fixed on gear box 15 by the 4th flange plate 24, the interior placement of described the 4th flange plate 24 the 6th spacer 25 and roller bearing 26, on the spindle nose of described output shaft 30, be arranged with the 5th gear 28, between the 5th gear 28 and roller bearing 26, be provided with the 7th spacer 27 for interval, and be fixed with for compressing the 4th gland 29 of the 5th gear 28 at the axle head of output shaft 30; Described output shaft 30 has cover plate 33 corresponding to the second deep groove ball bearing 35 1 side exterior edge face cappings, the axle head of output shaft 30 is also fastened with for fixing the 3rd gland 36 of the second deep groove ball bearing 35, and described the second deep groove ball bearing 35 is arranged on gear box 15 by the 6th flange plate 34.

Described oil cylinder 37 is installed on gear box 15, and the tailpiece of the piston rod of oil cylinder 37 fixes by the copper sheathing 9 being arranged on gear box 15, and shift fork 38 is fixed on the piston rod of oil cylinder 37 by bolt and taper pin.

Working procedure of the present utility model is as follows: the utility model wherein a kind of working state time the first gear 16 and the second gear 31 be meshed, when needs shift speed change, oil cylinder 37 actions, the gear mesh that drives shift fork 38 that the second gear 31 is formed with the 4th gear 32 slides onto the 4th gear 32 along output shaft and matches with the 3rd gear 18 on input shaft 19.Shift speed change process, stable drive, noise are low.

The utility model is simple in structure, ingenious, reasonable; Stable drive, noise is low; Adopt two grades of permanent power speed changes, be applicable to heavy duty cutting, reliable and stable.

Claims

1. a gearbox designs, it is characterized in that: comprise gear box (15), be arranged on the input shaft (19) of gear box (15) one end, be arranged on the output shaft (30) of the interior the other end of gear box (15), upper the first gear (16) of installing of described input shaft (19), and the first gear (16) matches with the second gear (31) that slip is arranged on output shaft (30), the 3rd gear (18) is also installed on described input shaft (19), in the mounting groove of the second gear (31), be provided with the 4th gear (32), described gear box (15) is upper is also fixed with oil cylinder (37) corresponding to output shaft (30) one sides, on oil cylinder (37) piston rod, be provided with shift fork (38), the rod end of shift fork (38) stretches in the draw-in groove of the 4th gear (32).

2. a kind of gearbox designs as claimed in claim 1, it is characterized in that: it is upper that described input shaft (19) is supported on gear box (15) by selfaligning roller bearing (13), the first deep groove ball bearing (21), and the first gear (16) on described input shaft (19) and the 3rd gear (18) are provided with the first spacer (17); The 5th spacer (20) for interval the 3rd gear (18) and the first deep groove ball bearing (21) is also installed on described input shaft (19), and input shaft (19) is fastened with the second gland (22) corresponding to the axle head of the first deep groove ball bearing (21); the upper arranged outside corresponding to selfaligning roller bearing (13) of described input shaft (19) has the second spacer (14), the input end outer ring sleeve of described input shaft (19) is equipped with the 5th flange plate (8), the 5th outer ring, flange plate (8) bottom is provided with three-flange dish (12), the second flange plate (10) is fixed on outside framework oil seal (11) between three-flange dish (12) and the 5th flange plate (8), on the anterior external diameter of described the 5th flange plate (8), by the first angular contact ball bearing (3) and the second angular contact ball bearing (7), be supported with belt pulley (1), and between above-mentioned two angular contact ball bearings, be provided with in addition the 4th spacer (5), the 3rd spacer (4), the axle head of described input shaft (19) is also set with the first flange plate (2), and the first flange plate (2) inner ring diameter of axle outer surface fits in the diameter of axle internal surface of the 5th flange plate (8), the outer ring diameter of axle of the 5th flange plate (8) holds out against in the outer ring of the first angular contact ball bearing (3), the first gland (6) by bolton in the end axial surface of input shaft (19).

3. a kind of gearbox designs as claimed in claim 1, it is characterized in that: the second deep groove ball bearing (35), the 3rd deep groove ball bearing (23) rotating support are passed through respectively on gear box in described output shaft (30) two ends, and described the second gear (31), the 4th gear (32) form a pair of shifting slide gear; The output terminal of described output shaft (30) is fixed on gear box (15) by the 4th flange plate (24), in described the 4th flange plate (24), place the 6th spacer (25) and roller bearing (26), on the spindle nose of described output shaft (30), be arranged with the 5th gear (28), and be fixed with for compressing the 4th gland (29) of the 5th gear (28) at the axle head of output shaft (30); Described output shaft (30) has cover plate (33) corresponding to the second deep groove ball bearing (35) one side exterior edge face cappings, the axle head of output shaft (30) is also fastened with for fixing the 3rd gland (36) of the second deep groove ball bearing (35), and described the second deep groove ball bearing (35) is arranged on gear box (15) by the 6th flange plate (34).

4. a kind of gearbox designs as claimed in claim 1, it is characterized in that: described oil cylinder (37) is installed on gear box (15), the tailpiece of the piston rod of oil cylinder (37) fixes by the copper sheathing (9) being arranged on gear box (15), and shift fork (38) is fixed on the piston rod of oil cylinder (37) by bolt and taper pin.