CN213017528U - Heavy-load low-speed gearbox - Google Patents
Heavy-load low-speed gearbox Download PDFInfo
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- CN213017528U CN213017528U CN202022002561.9U CN202022002561U CN213017528U CN 213017528 U CN213017528 U CN 213017528U CN 202022002561 U CN202022002561 U CN 202022002561U CN 213017528 U CN213017528 U CN 213017528U
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Abstract
The utility model discloses a heavy load low-speed gearbox, including casing, input flange, input shaft, two axles, triaxial, four-axis, five axles, seven axles, six axles and output shaft, it still includes clutch KF, clutch KR, clutch KK, clutch KG and clutch KP, the utility model discloses a gear and axle integral type design, gear and the outer hub integral type design of clutch reduce part quantity, simplify structural design for processing is simpler, has improved the installation effectiveness greatly, and convenient maintenance adopts gear drive's mode, and the fender position control that can realize preceding three keeps off and back three keeps off can satisfy the locomotive simultaneously to the multiplex condition method demand of low-speed and intermediate speed. Meanwhile, the gearbox adopts a mode of one input and two outputs, and the requirement on the output working condition is met.
Description
Technical Field
The utility model relates to a gearbox technical field, more specifically say, in particular to heavy load low-speed gearbox.
Background
The common transmission device on the locomotive tractor mainly comprises a hydraulic gear shifting transmission device and a mechanical transmission case, the hydraulic gear shifting transmission device has low transmission efficiency, the power of the engine needs to be increased greatly under a certain working condition to achieve the same torque to be transmitted, and the hydraulic gear shifting device also has the defects of long gear shifting time, slow starting speed, high use cost, large volume and weight and the like, and is gradually replaced by other products in the market; the mechanical transmission case is used for a low-power internal combustion locomotive, when the mechanical transmission case transmits large torque, the engine is easy to extinguish, the mechanical transmission case is connected through a hard shaft, impact load can be transmitted to the engine through the hard shaft, the internal combustion engine is damaged, and the mechanical transmission case is rarely used in occasions with requirements on reliability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heavily loaded low-speed gearbox, it can transmit great moment of torsion, has six simultaneously and keeps off the variable speed, can satisfy the requirement of locomotive tractor to moment of torsion and speed, has the advantage that small and economic nature are good moreover.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heavy-load low-speed gearbox comprises a shell, an input flange, an input shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft, a seventh shaft, a sixth shaft and an output shaft, and further comprises a clutch KF, a clutch KR, a clutch KK, a clutch KG and a clutch KP, wherein the input shaft, the second shaft, the third shaft, the fourth shaft, the fifth shaft, the seventh shaft and the sixth shaft are movably installed in the shell, the input flange is connected with the input shaft through splines, the second shaft is provided with a bearing C, the bearing C is provided with a first gear in a supporting manner, the first gear is connected with an inner hub of the clutch KF through splines, an outer hub of the clutch KF is fixed with the second shaft, the clutch KF is provided with a gear in a processing manner, the fifth shaft and the right end of the second shaft are connected through splines, the right end of the fifth shaft is supported on the shell through a bearing P, the third shaft is fixedly provided with a bearing E, the bearing E is provided with a second spline, and the second gear, an outer hub is shared by clutch KR and clutch KK, and there is the gear on this outer hub, clutch KR and clutch KK's outer hub is fixed with the triaxial, and clutch KK's interior hub passes through the spline with the six-axis fixedly, fixing bearing M on the six-axis installs the fifth second gear on the bearing M, and the fifth second gear passes through splined connection with clutch KP's interior hub, and clutch KP's outer hub is fixed with the six-axis, clutch KG's outer hub is fixed with the four-axis, and clutch KG's interior hub passes through splined connection with the seven-axis, and the fourth gear passes through the spline and is connected with the seven-axis, there are left end output flange and right-hand member output flange at output shaft both ends respectively through splined connection, and the third gear is installed through the spline to the partial middle part position of output shaft, third gear one end and seven-axis meshing.
Preferably, the input shaft, the five shaft, the six shaft and the seven shaft are all gear shafts.
Preferably, the input shaft is supported within the housing by means of bearings a and R.
Preferably, the two shafts are supported by means of bearings B and Q, which are fixed to the housing.
Preferably, the three shafts are supported by means of bearings D fixed on the housing and bearings O fixed on the six shafts.
Preferably, the six shafts are supported by means of bearings L and N, which are fixed to the housing.
Preferably, the four shafts are supported by means of bearings F fixed to the housing and bearings G fixed to the seven shafts.
Preferably, the seven shafts are supported by means of bearings J and K, which are fixed to the housing.
Preferably, the output shaft is supported by means of a bearing H and a bearing I, which are fixed to the housing.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a gear and axle integral type design, gear and the design of clutch outer hub integral type reduce part quantity, simplify structural design for processing is simpler, has improved the installation effectiveness greatly, and convenient maintenance adopts gear drive's mode, can realize the fender position control of preceding three fender and back three fender, can satisfy the locomotive simultaneously to the multiplex condition method demand of low-speed and intermediate speed. Meanwhile, the gearbox adopts a mode of one input and two outputs, and the requirement on the output working condition is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a heavy-duty low-speed transmission according to the present invention;
fig. 2 is a diagram of a first gear transmission route of the transmission of the utility model;
fig. 3 is a diagram of a transmission route of the transmission of the present invention;
fig. 4 is a diagram of a transmission route of the transmission with three gears of the transmission case of the present invention;
fig. 5 is a diagram of a reverse one-gear transmission route of the transmission of the present invention;
fig. 6 is a diagram of a reverse-gear transmission route of the transmission of the present invention;
fig. 7 is a diagram of a reverse three-gear transmission route of the transmission of the present invention;
fig. 8 is a sectional view of the transmission of the present invention.
In the figure: 1. the input flange 2, the input shaft 3, the bearing A4, the bearing B5, the bearing C6, the secondary shaft 7, the first gear 8, the clutch KF 9, the bearing D10, the bearing E11, the tertiary shaft 12, the second gear 13, the clutch KR 14, the clutch KK 15, the bearing F16, the quaternary shaft 17, the bearing G18, the clutch KG 19, the left output flange 20, the output shaft 21, the bearing H22, the third gear 23, the housing 24, the right output flange 25, the bearing I26, the fourth gear 827, the bearing J28, the seventh shaft 29, the bearing K30, the bearing L31, the sixth shaft 32, the bearing M33, the fifth gear 34, the clutch KP35, the bearing N36, the bearing O37, the bearing P38, the bearing P39, the bearing Q40 and the bearing R.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1 and 8, the present invention provides a heavy-duty low-speed transmission, which comprises a housing 23, an input flange 1, an input shaft 2, a second shaft 6, a third shaft 11, a fourth shaft 16, a fifth shaft 38, a seventh shaft 28, a sixth shaft 31 and an output shaft 20, and further comprises a clutch KF8, a clutch KR13, a clutch KK14, a clutch KG18 and a clutch KP35, the input shaft 2, the second shaft 6, the third shaft 11, the fourth shaft 16, the fifth shaft 38, the seventh shaft 28, the sixth shaft 31 and the output shaft 20 are movably mounted in the housing 23, the input flange 1 is connected with the input shaft 2 through splines, the second shaft 6 is provided with a bearing C5, the bearing C5 is provided with a first gear 7, the first gear 7 is connected with the inner hub of the clutch KF8 through splines, the outer hub of the clutch KF8 is fixed with the second shaft 6, a gear is machined on the clutch KF8, the fifth shaft 38 is connected with the second shaft 6, the right end of the bearing P37, a bearing E10 is fixed on the three shaft 11, a second gear 12 is installed on the bearing E10, the second gear 12 and an inner hub of a clutch KR13 are fixed through splines, the clutch KR13 and the clutch KK14 share an outer hub, a gear is arranged on the outer hub, outer hubs of the clutch KR13 and the clutch KK14 are fixed with the three shaft 11, an inner hub of the clutch KK14 and a six shaft 31 are fixed through splines, a bearing M32 is fixed on the six shaft 31, a fifth second gear 3 is installed on the bearing M32, the fifth second gear 3 and the inner hub of the clutch KP34 are connected through splines, the outer hub of the clutch KP34 and the six shaft 31 are fixed, the outer hub of the clutch KG18 is fixed with a four shaft 16, the spline inner hub of the clutch KG18 and the seven shaft 28 are connected through splines, two ends of an output shaft 20 are respectively connected with a left end output flange 19 and a right end flange 24 through a third end flange 22, one end of the third gear 22 is engaged with a seventh shaft 28.
In the present embodiment, the input shaft 2, the five shaft 38, the six shaft 31, and the seven shaft 28 are all gear shafts.
In this embodiment, the input shaft 2 is supported within the housing 23 by means of a bearing a3 and a bearing R40.
In this embodiment, the biaxial shaft 6 is supported by a bearing B4 and a bearing Q39, and a bearing B4 and a bearing Q39 are fixed to the housing 23.
In this embodiment, the three shafts 11 are supported by bearings D9 and O36, the bearings D9 are fixed to the housing 23, and the bearings O36 are fixed to the six shafts 31.
In this embodiment, the six shafts 31 are supported by bearings L30 and N35, and bearings L30 and N35 are fixed to the housing 23.
In this embodiment, the four shaft 16 is supported by means of a bearing F15 and a bearing G17, the bearing F15 being fixed to the housing 23, and the bearing G17 being fixed to the seven shaft 28.
In this embodiment, the seven shafts 28 are supported by bearings J27 and K29, and bearings J27 and K29 are fixed to the housing 23.
In this embodiment, the output shaft 20 is supported by means of a bearing H21 and a bearing I25, and the bearing H21 and the bearing I25 are fixed to the housing 23.
Neutral gear:
the power is transmitted to the input shaft 2 through the input flange 1, and the clutch KF8, the clutch KR13, the clutch KK14, the clutch KG18 and the clutch KP34 are all in a disengaged state, so that the power cannot be transmitted to the bearing H21 through the input shaft 2, and the gearbox is in a neutral state;
referring to fig. 2, the utility model discloses the first fender that gos forward of gearbox:
power is transmitted to an input shaft 2 through an input flange 1, a gear on the input shaft 2 is meshed with a second gear 12, the second gear 12 is in splined connection with an inner hub of a clutch KR13, the clutch KR13 is combined with a clutch KK14 to be disengaged, the power is transmitted to a three-shaft 11 through gear meshing and clutch combination, the clutch KR13 and the clutch KK14 share a clutch outer hub, gears on the clutch KR13 and the clutch KK14 clutch outer hub are meshed with a gear on the clutch KF8 outer hub, the clutch KF8 is disengaged, the power is transmitted to a two-shaft 6 from the three-shaft 11, the two-shaft 6 is in splined connection with a five-shaft 38, the power is transmitted to the five-shaft 38 from the two-shaft 6, a gear on the five-shaft 38 is meshed with a fifth second gear 3, the clutch KP34 is engaged, the power is transmitted to a six-shaft 31 from the five-shaft 38, a gear on the six-shaft 31 is meshed with a fourth gear 26, a fourth gear 26 is fixed on a seventh shaft 28 through a spline clutch 18 to, the power is transmitted to the seven shafts 28 from the six shafts 31, the gears on the seven shafts 28 are meshed with the third gear 22, the third gear 22 is fixed on the output shaft 20 through splines, the power is transmitted to the output shaft 20 from the seven shafts 28, and as the left end output flange 19 and the right end output flange 24 are respectively fixed with the output shaft 20 through the splines, the power is transmitted to the next stage through the left end output flange 19 and the right end output flange 24;
referring to fig. 3, the utility model discloses the gearbox keeps off advancing:
power is transmitted to an input shaft 2 through an input flange 1, a gear on the input shaft 2 is meshed with a second gear 12, the second gear 12 is in splined connection with an inner hub of a clutch KR13, the clutch KR13 is connected with a clutch KK14, the clutch KF8 is in a disengagement state, the power is transmitted to a three-shaft 11 through the input shaft 2, the inner hub of the clutch KK14 is in splined connection with a six-shaft 31, the power is transmitted to the six-shaft 31 through the three-shaft 11, a gear on the six-shaft 31 is meshed with a fourth gear 26, a clutch KP34 is in a disengagement state, the power is transmitted to a seven-shaft 28 through the six-shaft 31, at the moment, a clutch KG18 is in a disengagement state, a gear on the seven-shaft 28 is meshed with a third gear 22, the power is transmitted to an output shaft 20 through the seven-shaft 28, a left-end output flange 19 and a right-end output flange 24 are respectively installed at two ends of the output shaft 20, and the.
Referring to fig. 4, the utility model discloses three keep off that advance of gearbox:
power is transmitted to an input shaft 2 through an input flange 1, a second gear 12 is in splined connection with an inner hub of a clutch KR13, the clutch KR13 is connected, a clutch KK14 and a clutch KF8 are in a disengaged state, the power is transmitted to a three-shaft 11 through the input shaft 2, a gear is arranged on a common outer hub of the clutch KR13 and the clutch KK14 and is meshed with a gear on an outer hub of a clutch KG18, the power is transmitted to a four-shaft 16 through the three-shaft 11, an inner hub of the clutch KG18 is in splined connection with a seven-shaft 28, the clutch KG18 is connected, the power is transmitted to the seven-shaft 28 through the four-shaft 16, the seven-shaft 28 is a gear shaft, the gear on the seven-shaft 28 is meshed with a second gear 22, the power is transmitted to an output shaft 20 through the seven-shaft 28, a left-end output flange 19 and a right-end output flange 24 are respectively arranged at two ends of the output shaft 20, and the power is transmitted;
referring to fig. 5, the utility model discloses retreat one and keep off of gearbox:
power is transmitted to the input shaft 2 through the input flange 1, a gear on the input shaft 2 is meshed with the first gear 7, the clutch KF8 is engaged, the clutch KR13 and the clutch KK14 are in a disengaged state, the power is transmitted to the second shaft 6 through gear engagement and clutch combination, the second shaft 6 is connected with the fifth shaft 38 through splines, the power is transmitted to the fifth shaft 38 from the second shaft 6, a gear on the fifth shaft 38 is meshed with the fifth gear 33, the clutch KP34 is engaged, the power is transmitted to the sixth shaft 31 from the fifth shaft 38, a gear on the sixth shaft 31 is meshed with the fourth gear 26, the fourth gear 26 is fixed on the seventh shaft 28 through splines, the power is transmitted to the seventh shaft 28 from the sixth shaft 31, a gear on the seventh shaft 28 is meshed with the third gear 22, the third gear 22 is fixed on the output shaft 20 through splines, the clutch KG18 is in a disengaged state, the power is transmitted to the output shaft 20 from the seventh shaft 28, because the left-end output flange 19 and the right-end output flange 24 are fixed with the output, power is transmitted to the next stage through the left and right output flanges 19, 24.
Referring to fig. 6, the utility model discloses retreating of gearbox keeps off:
power is transmitted to the input shaft 2 through the input flange 1, the clutch KF8 is connected, the power is transmitted to the two shafts 6 through gear engagement and clutch combination, gears are arranged on an outer hub of the clutch KF8, gears are also arranged on a common outer hub of the clutch KR13 and the clutch KK14, the two gears are meshed, the power is transmitted to the three shafts 11 from the two shafts 6, the clutch KK14 is connected, the clutch KR13 is in a disconnecting state, an inner hub of the clutch KK14 is connected with the six shafts 36 through splines, the power is transmitted to the six shafts 31 from the three shafts 11, the gears on the six shafts 31 are meshed with the fourth gear 26, the power is transmitted to the seven shafts 28 from the six shafts 31, the clutch KG18 is in a disconnecting state, the gears on the seven shafts 28 are meshed with the third gear 22, the power is transmitted to the output shaft 20 from the seven shafts 28, and the power is transmitted to the next stage from the left end output flange 19 and the right end output flange 24.
Referring to fig. 7, the utility model discloses retreat three grades of gearbox:
power is transmitted to the input shaft 2 through the input flange 1, the clutch KF8 is engaged, the power is transmitted to the two shafts 6 through gear engagement and clutch combination, the power is transmitted to the three shafts 11 from the two shafts 6, the clutch KR13 and the clutch KK14 are disengaged, a gear on a common outer hub of the clutch KR13 and the clutch KK14 is engaged with a gear on an outer hub of the clutch KG18, the power is transmitted to the four shafts 16 from the three shafts 11, the clutch KG18 is engaged, an inner hub of the clutch KG18 is connected with the seven shafts 28 through splines, the power is transmitted to the seven shafts 28 from the four shafts 16, the gear on the seven shafts 28 is engaged with the third gear 22, the power is transmitted to the output shaft 20 from the seven shafts 28, and the power is transmitted to the next stage from the left end output flange 19 and the right end output flange 24.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.
Claims (9)
1. The utility model provides a heavy load low-speed gearbox, includes casing, input flange, input shaft, two axles, triaxial, four-axis, five-axis, seven axles, six axles and output shaft, its characterized in that: the clutch comprises a clutch KF, a clutch KR, a clutch KK, a clutch KG and a clutch KP, wherein the input shaft, two shafts, three shafts, four shafts, five shafts, seven shafts and six shafts are movably mounted in a shell, an input flange is connected with the input shaft through a spline, a bearing C is mounted on the two shafts, a first gear is supported on the bearing C and is connected with an inner hub of the clutch KF through a spline, an outer hub of the clutch KF is fixed with the two shafts, a gear is processed on the clutch KF, the five shafts and the left end of the two shafts are connected through a spline, a five shaft right end is supported on the shell through a bearing P, a bearing E is fixed on the three shafts, a second gear is mounted on the bearing E and is fixed with the inner hub of the clutch KR through a spline, the clutch KR and the clutch KK share one outer hub, a gear is arranged on the outer hub, the outer hubs of the clutch KR and the clutch KK are fixed with the outer hub, clutch KK's interior hub passes through the spline with the six-axis fixedly, fixed bearing M on the six-axis installs the fifth second gear on the bearing M, and the fifth second gear passes through splined connection with clutch KP's interior hub, and clutch KP's outer hub is fixed with the six-axis, clutch KG's outer hub is fixed with the four-axis, and clutch KG's interior hub passes through splined connection with the seven-axis, and the fourth gear passes through the spline and seven hub connections, there are left end output flange and right-hand member output flange at the output shaft both ends through splined connection respectively, and the third gear is installed through the spline to the partial middle part position of output shaft, third gear one end and seven shaft engagement.
2. A heavy-duty slow-speed transmission as claimed in claim 1, wherein: the input shaft, the five shafts, the six shafts and the seven shafts are all gear shafts.
3. A heavy-duty slow-speed transmission as claimed in claim 2, wherein: the input shaft is supported within the housing by means of bearings a and R.
4. A heavy-duty slow-speed transmission as claimed in claim 1, wherein: the two shafts are supported by a bearing B and a bearing Q, and the bearing B and the bearing Q are fixed on the shell.
5. A heavy-duty slow-speed transmission as claimed in claim 1, wherein: the three shafts are supported by bearings D and bearings O, the bearings D are fixed on the shell, and the bearings O are fixed on the six shafts.
6. A heavy-duty slow-speed transmission as claimed in claim 2, wherein: the six shafts are supported by bearings L and N, and the bearings L and N are fixed on the shell.
7. A heavy-duty slow-speed transmission as claimed in claim 1, wherein: the four-axis relies on bearing F and bearing G to support, and bearing F fixes on the casing, and bearing G fixes on seven axles.
8. A heavy-duty slow-speed transmission as claimed in claim 2, wherein: the seven shafts are supported by bearings J and K, and the bearings J and K are fixed on the shell.
9. A heavy-duty slow-speed transmission as claimed in claim 1, wherein: the output shaft is supported by a bearing H and a bearing I, and the bearing H and the bearing I are fixed on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022002561.9U CN213017528U (en) | 2020-09-14 | 2020-09-14 | Heavy-load low-speed gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022002561.9U CN213017528U (en) | 2020-09-14 | 2020-09-14 | Heavy-load low-speed gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017528U true CN213017528U (en) | 2021-04-20 |
Family
ID=75476138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022002561.9U Active CN213017528U (en) | 2020-09-14 | 2020-09-14 | Heavy-load low-speed gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017528U (en) |
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2020
- 2020-09-14 CN CN202022002561.9U patent/CN213017528U/en active Active
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