CN211648942U - Sizing mill speed change gear - Google Patents
Sizing mill speed change gear Download PDFInfo
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- CN211648942U CN211648942U CN202020169849.2U CN202020169849U CN211648942U CN 211648942 U CN211648942 U CN 211648942U CN 202020169849 U CN202020169849 U CN 202020169849U CN 211648942 U CN211648942 U CN 211648942U
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- gear
- shaft
- output shaft
- speed change
- sizing mill
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Abstract
The utility model discloses a sizing mill speed change gear, the power distribution box comprises a box body, the input shaft, the jackshaft, first output shaft, second output shaft and transition gear axle, first gear and the second gear on the input shaft respectively with set up third gear and the fourth gear engagement on the jackshaft, fifth gear and the sixth gear on the first output shaft respectively with set up the eighth gear of second output shaft and one side meshing of seventh gear, the opposite side of seventh gear and eighth gear and the epaxial gear engagement of transition gear, be provided with first clutch between third gear and the fourth gear, be provided with second clutch between fifth gear and the sixth gear, be provided with third clutch between seventh gear and the eighth gear. The utility model discloses compact structure, low cost, work efficiency is high, can realize that two output shafts of a speed change gear drive two sets of rolls respectively through clutch's regulation and carry out different speed transmission to can realize a plurality of rotational speed outputs.
Description
Technical Field
The utility model relates to a mechanical transmission equipment field especially relates to a sizing mill speed change gear.
Background
In the prior art, a sizing mill drive can use a gearbox to drive a set of rolls or a gearbox to drive multiple sets of rolls. The former has the advantages that each group of rollers can be respectively regulated in speed to meet the speed matching, but the equipment is large in quantity and heavy in weight; the latter has the advantages of small equipment quantity and light weight, but the speed regulation range is limited, and only a small range of products can be applied. Therefore, it is necessary to develop a gearbox capable of driving multiple sets of rollers and performing more speed ratio adjustments.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sizing mill speed change gear solves current sizing mill gearbox and can not carry out the problem that different speed transmission and speed control range are little to two sets of rolls.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a sizing mill speed change gear, including box, input shaft, jackshaft, first output shaft, second output shaft and transition gear axle, input shaft, first output shaft, second output shaft and transition gear axle are dislocation parallel arrangement in the box, jackshaft and first output shaft coaxial arrangement and link together;
the input shaft is provided with a first gear and a second gear, the first gear and the second gear are respectively meshed with a third gear and a fourth gear which are arranged on the intermediate shaft, a fifth gear and a sixth gear which are arranged on the first output shaft are respectively meshed with one sides of an eighth gear and a seventh gear which are arranged on the second output shaft, the other sides of the seventh gear and the eighth gear are meshed with gears on the transition gear shaft, a first clutch device is arranged between the third gear and the fourth gear, a second clutch device is arranged between the fifth gear and the sixth gear, and a third clutch device is arranged between the seventh gear and the eighth gear.
Furthermore, the box body comprises an upper box body, a middle box body and a lower box body, the input shaft is installed between the upper box body and the middle box body through a bearing, and the intermediate shaft, the first output shaft, the second output shaft and the transition gear shaft are all installed between the middle box body and the lower box body through bearings.
Still further, the first gear and the second gear are both fixedly connected with the input shaft through keys.
Still further, the third gear and the fourth gear are rotationally connected with the intermediate shaft through bearings, the fifth gear and the sixth gear are rotationally connected with the first output shaft through bearings, and the seventh gear and the eighth gear are rotationally connected with the second output shaft through bearings.
Still further, the first output shaft is fixedly connected with the intermediate shaft through a coupler.
Still further, a translational inner spline housing is arranged in the first clutch device, the inner spline housing is matched with two outer splines arranged on the intermediate shaft, and the inner spline housing is connected with the third gear or the fourth gear through the two outer splines.
Compared with the prior art, the utility model discloses a beneficial technological effect: the torque transmitted by the input shaft of the utility model is respectively transmitted to the third gear and the fourth gear through the first gear and the second gear, and the intermediate shaft can have different rotating speeds by adjusting the position of the internal spline sleeve in the first clutch device; the intermediate shaft drives the first output shaft through the coupler, so that different rotating speeds are generated on the first output shaft; the positions of the inner spline sleeves of the second clutch device and the third clutch device are adjusted, so that the fifth gear and the sixth gear on the first output shaft can respectively drive the seventh gear, the eighth gear and the transition gear shaft on the second output shaft, and various rotating speeds can be generated on the second output shaft.
The utility model discloses compact structure, low cost, work efficiency is high, can realize that two output shafts of a speed change gear drive two sets of rolls respectively through clutch's regulation and carry out different speed transmission to can realize a plurality of rotational speed outputs.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a front view of the speed change device of the sizing mill of the present invention;
FIG. 2 is a left side view of the speed change device of the sizing mill of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
description of reference numerals: 1. an upper box body; 2. a middle box body; 3. a lower box body; 4. an input shaft; 5. a first gear; 6. a second gear; 7. an intermediate shaft; 8. a third gear; 9. a first clutch device; 10. a fourth gear; 11. a coupling; 12. a first output shaft; 13. a fifth gear; 14. a second clutch device; 15. a sixth gear; 16. a second output shaft; 17. a seventh gear; 18. a third clutch device; 19. an eighth gear; 20. a transition gear shaft.
Detailed Description
As shown in fig. 1-4, a sizing mill speed changing device comprises a box body, an input shaft 4, an intermediate shaft 7, a first output shaft 12, a second output shaft 16 and a transition gear shaft 20, wherein the input shaft 4, the first output shaft 12, the second output shaft 16 and the transition gear shaft 20 are arranged in the box body in a staggered parallel manner, and the intermediate shaft 7 and the first output shaft 12 are coaxially arranged and fixedly connected together through a coupler 11;
a first gear 5 and a second gear 6 are arranged on the input shaft 4, the first gear 5 and the second gear 6 are respectively meshed with a third gear 8 and a fourth gear 10 arranged on the intermediate shaft 7, a fifth gear 13 and a sixth gear 15 on the first output shaft 12 are respectively meshed with one sides of a seventh gear 17 and an eighth gear 19 arranged on the second output shaft 16, the other sides of the eighth gear 19 and the seventh gear 17 are meshed with a gear on the transition gear shaft 20, a first clutch device 9 is arranged between the third gear 8 and the fourth gear 10, a second clutch device 14 is arranged between the fifth gear 13 and the sixth gear 15, and a third clutch device 18 is arranged between the seventh gear 17 and the eighth gear 19.
The box body comprises an upper box body 1, a middle box body 2 and a lower box body 3, the input shaft 4 is installed between the upper box body 1 and the middle box body 2 through a bearing and is driven by a motor, and the intermediate shaft 7, the first output shaft 12, the second output shaft 16 and the transition gear shaft 20 are all installed between the middle box body 2 and the lower box body 3 through bearings.
The first gear 5 and the second gear 6 are both fixedly connected with the input shaft 4 through flat keys.
The third gear 8 and the fourth gear 10 are rotationally connected with the intermediate shaft 7 through rolling bearings, the fifth gear 13 and the sixth gear 15 are rotationally connected with the first output shaft 12 through rolling bearings, and the seventh gear 17 and the eighth gear 19 are rotationally connected with the second output shaft 16 through rolling bearings.
A translational inner spline housing is arranged in the first clutch device 9, the inner spline housing is matched with two outer splines arranged on the intermediate shaft 7, and the inner spline housing is connected with the third gear 8 or the fourth gear 10 through the two outer splines. The first clutch device 9 is further provided with a shifting lever, the position of the inner spline housing is determined by manually moving the shifting lever, the position of the inner spline housing comprises a middle release position, a front output side position and a rear input side position, and when the inner spline housing is in the middle position, the clutch device is released and does not transmit; when the inner spline housing is at the rear input side position, the inner spline housing is matched with the outer spline arranged at the rear end of the intermediate shaft 7 and is also connected with the third gear 8, at the moment, the torque can be transmitted to the intermediate shaft 7 through the third gear 8 so as to drive the intermediate shaft 7 to rotate, and similarly, when the inner spline housing is at the front output side position, the inner spline housing is connected with the fourth gear 10, and at the moment, the torque can be transmitted to the intermediate shaft 7 through the fourth gear 10 so as to drive the intermediate shaft 7 to rotate.
The first clutch device 9, the second clutch device 14 and the third clutch device 18 have the same structure.
The action process of the utility model is as follows:
the motor drives the input shaft 4 to transmit, and simultaneously the first gear 5 and the second gear 6 rotate, so that the third gear 8 and the fourth gear 10 are driven to rotate, and when the first clutch device 9 is at the input side position, the rotating speed of the intermediate shaft 7 is determined by the gear ratio of the first gear 5 to the third gear 8; when the first clutch device 9 is in the output side position, the rotation speed of the intermediate shaft 7 is determined by the gear ratio of the second gear 6 to the fourth gear 10; the intermediate shaft 7 transmits the rotational speed to a first output shaft 12 via a coupling 11.
When the second clutch device 14 is in the input side position and the third clutch device 18 is in the input side position, the rotational speed of the second output shaft 16 is determined by the gear ratio of the fifth gear 13 to the eighth gear 19; when the second clutch device 14 is in the input side position and the third clutch device 18 is in the output side position, the rotation speed of the second output shaft 16 is determined by the total gear ratios of the fifth gear 13 to the eighth gear 19, the eighth gear 19 to the gear on the transition gear shaft 20, and the gear on the transition gear shaft 20 to the seventh gear 17; when the second clutch device 14 is at the output side position and the third clutch device 18 is at the input side position, the rotation speed of the second output shaft 16 is determined by the total gear ratios of the sixth gear 15 to the seventh gear 17, the seventh gear 17 to the gear on the transition gear shaft 20, and the gear on the transition gear shaft 20 to the eighth gear 19; when the second clutch device 14 is at the output side position and the third clutch device 18 is at the output side position, the rotational speed of the second output shaft 16 is determined by the gear ratio of the sixth gear 15 to the seventh gear 17.
In summary, the first output shaft 12 includes two gears, and the second output shaft 16 includes eight gears at most.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A sizing mill speed change device is characterized in that: the transmission device comprises a box body, an input shaft (4), an intermediate shaft (7), a first output shaft (12), a second output shaft (16) and a transition gear shaft (20), wherein the input shaft (4), the first output shaft (12), the second output shaft (16) and the transition gear shaft (20) are arranged in the box body in a staggered and parallel mode, and the intermediate shaft (7) and the first output shaft (12) are coaxially arranged and connected together;
the input shaft (4) is provided with a first gear (5) and a second gear (6), the first gear (5) and the second gear (6) are respectively meshed with a third gear (8) and a fourth gear (10) which are arranged on the intermediate shaft (7), a fifth gear (13) and a sixth gear (15) on the first output shaft (12) are respectively engaged with one side of an eighth gear (19) and a seventh gear (17) provided on the second output shaft (16), the other sides of the seventh gear (17) and the eighth gear (19) are meshed with the gear on the transition gear shaft (20), a first clutch device (9) is arranged between the third gear (8) and the fourth gear (10), a second clutch device (14) is arranged between the fifth gear (13) and the sixth gear (15), a third clutch device (18) is arranged between the seventh gear (17) and the eighth gear (19).
2. The sizing mill speed change device of claim 1, wherein: the gearbox is characterized in that the gearbox body comprises an upper gearbox body (1), a middle gearbox body (2) and a lower gearbox body (3), the input shaft (4) is installed between the upper gearbox body (1) and the middle gearbox body (2) through a bearing, and the intermediate shaft (7), the first output shaft (12), the second output shaft (16) and the transition gear shaft (20) are installed between the middle gearbox body (2) and the lower gearbox body (3) through bearings.
3. The sizing mill speed change device of claim 1, wherein: the first gear (5) and the second gear (6) are fixedly connected with the input shaft (4) through keys.
4. The sizing mill speed change device of claim 1, wherein: the third gear (8) and the fourth gear (10) are rotationally connected with the intermediate shaft (7) through bearings, the fifth gear (13) and the sixth gear (15) are rotationally connected with the first output shaft (12) through bearings, and the seventh gear (17) and the eighth gear (19) are rotationally connected with the second output shaft (16) through bearings.
5. The sizing mill speed change device of claim 1, wherein: the first output shaft (12) is fixedly connected with the intermediate shaft (7) through a coupler (11).
6. The sizing mill speed change device of claim 1, wherein: a translational inner spline housing is arranged in the first clutch device (9), the inner spline housing is matched with two outer splines arranged on the intermediate shaft (7), and the inner spline housing is connected with the third gear (8) or the fourth gear (10) through the two outer splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169849.2U CN211648942U (en) | 2020-02-14 | 2020-02-14 | Sizing mill speed change gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169849.2U CN211648942U (en) | 2020-02-14 | 2020-02-14 | Sizing mill speed change gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648942U true CN211648942U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020169849.2U Active CN211648942U (en) | 2020-02-14 | 2020-02-14 | Sizing mill speed change gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477746A (en) * | 2021-07-20 | 2021-10-08 | 武汉乾冶众联科技有限公司 | Double-motor parallel driving device and solid tension coiling machine |
-
2020
- 2020-02-14 CN CN202020169849.2U patent/CN211648942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477746A (en) * | 2021-07-20 | 2021-10-08 | 武汉乾冶众联科技有限公司 | Double-motor parallel driving device and solid tension coiling machine |
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