CN210566099U - Power split rigid connection hydraulic transmission - Google Patents
Power split rigid connection hydraulic transmission Download PDFInfo
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- CN210566099U CN210566099U CN201921349492.XU CN201921349492U CN210566099U CN 210566099 U CN210566099 U CN 210566099U CN 201921349492 U CN201921349492 U CN 201921349492U CN 210566099 U CN210566099 U CN 210566099U
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Abstract
The utility model discloses a power split rigid connection hydraulic transmission, including the gearbox body, the right side upper portion wall of gearbox body is fixed with the torque converter casing of torque converter, is fixed with the power takeoff driving gear on the torque converter pump impeller in the torque converter casing, and the upper portion of gearbox body is articulated through the middle part axle has the power takeoff intermediate gear, and the upper portion of gearbox body is articulated through the bearing has the power takeoff axle, and the one end of power takeoff axle is fixed with power takeoff driven gear, and power takeoff driving gear meshes with the power takeoff intermediate gear mutually, and power takeoff intermediate gear meshes with the power takeoff driven gear mutually; the power take-off shaft is directly arranged on the gearbox body, so that power split output can be realized, the requirement of connection and use of an engine without a power output port device is met, and meanwhile, bearings are arranged at two ends of an output shaft of the power take-off shaft, so that the power take-off shaft is uniform in stress, stable in operation and good in effect; and two single clutch hubs are adopted, so that the width of the whole gearbox body is reduced, and the installation and use in a small space are met.
Description
The technical field is as follows:
the utility model relates to a derailleur technical field, more specifically the power split rigid connection hydraulic transmission that says so relates to.
Background art:
at present, in a hydraulic transmission gearbox in the field of forklift manufacturing, a device with a power output port is not provided, but a direct automatic power output port device is generally arranged in an engine, and when the used engine is not provided with the power output port device, the hydraulic transmission gearbox needs to be installed in the hydraulic transmission gearbox, but the existing hydraulic transmission gearbox is not provided with the power output port device generally and cannot meet the use requirement of the engine without the power output port device;
meanwhile, the width of the existing hydraulic transmission gearbox is large, so that the existing hydraulic transmission gearbox cannot be installed in a space with insufficient width;
when an output shaft in the existing gearbox is installed in the gearbox body, two bearings which are pressed against each other are generally installed at one end of the output shaft, the bearings are installed in the gearbox body to achieve hinging, the output shaft is supported by only one single end, balance of the output shaft is affected, the other end of the output shaft is easy to shake, and transmission stability is affected.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a power split rigid connection hydraulic transmission, and it is the direct mount power takeoff axle on the gearbox body, can realize power split output, satisfies not connecting the use from the engine of taking power delivery outlet device.
The utility model provides a technical problem's scheme is:
a power-split rigid connection hydraulic transmission comprises a transmission case body, wherein a torque converter shell of a torque converter is fixed on the upper wall surface of the right side of the transmission case body, a power take-off driving gear is fixed on a pump wheel of the torque converter in the torque converter shell, the upper part of the transmission case body is hinged with a power take-off intermediate gear through a middle shaft, the upper part of the transmission case body is hinged with a power take-off shaft through a bearing, one end of the power take-off shaft is fixed with a power take-off driven gear, the power take-off driving gear is meshed with the power take-off intermediate gear, and the power take-off intermediate gear is meshed with the power take-off driven gear;
and a spline inner hole is formed at one end of the power take-off shaft, and a middle through hole of the power take-off port mounting plate is arranged on one side wall of the spline inner hole extending out of the gearbox body.
A first clutch shaft, a second clutch shaft and an output shaft are hinged on the gearbox body, the first clutch shaft is connected with a turbine shaft in the torque converter shell, a first driving gear and a first driven gear are mounted on the first clutch shaft, a second driving gear and a second driven gear are mounted on the second clutch shaft, and a third input gear and a third output gear are fixed on the output shaft;
the first driven gear and the second driven gear are respectively meshed with the third input gear, and the first driving gear is meshed with the second driving gear.
And single clutch hubs are arranged on the first clutch shaft and the second clutch shaft.
Two ends of the output shaft are hinged to the left side plate and the right side plate of the gearbox body through bearings, one end of the output shaft extends out of the outer wall surface of the gearbox body and is fixed with an output gear, and the other end of the output shaft is connected with a third input gear.
The inner end face of the inner ring of the bearing at one end of the output shaft at the third input gear is pressed against one side end face of the third input gear, an elastic sheet is inserted and sleeved at one end of the output shaft at the third input gear, and the elastic sheet is pressed against the corresponding end face of the output gear.
The middle part shaping of the inner of output shaft has the spline connection axial region, the tip shaping of spline connection axial region has the connection axial region, it fixes in the inner circle of the bearing that corresponds to connect the axial region, the middle part shaping of third input gear has the spline through-hole, spline connection axial region plug bush cooperatees in the spline through-hole of third input gear and with the spline through-hole of third input gear, plug bush has the flexure strip on the spline connection axial region, the terminal surface pressure of the one end of flexure strip is on the terminal surface in the inner of output shaft, the other terminal surface pressure of flexure strip is on the terminal surface of third input gear.
The clutch hub structure is that clutch outer hubs are formed in the middle of a first clutch shaft and a second clutch shaft, clutch inner hubs are formed on the first driven gear and the second driven gear, a first driving gear is fixed on the first clutch shaft, a second driving gear is fixed on the second clutch shaft, the clutch inner hubs are located on one side of the clutch outer hubs, the clutch inner hubs are sleeved on the first clutch shaft or the second clutch shaft in an inserting mode, a driving friction plate and a driven friction plate are located between the clutch inner hubs and the clutch outer hubs, the driving friction plate is meshed with external teeth on the clutch inner hubs, the driven friction plate is connected with the clutch outer hubs, pressing blocks are sleeved on the first clutch shaft and the second clutch shaft in an inserting mode, the pressing blocks are located between the clutch outer hubs and the clutch inner hubs, and the pressing blocks face the corresponding driving friction plate and the corresponding driven friction plate.
The outer end of the output shaft is inserted and sleeved in a connecting through hole of a side plate of the gearbox body, an outer ring and an oil seal of a bearing are fixed on the inner side wall of the connecting through hole, and the outer end of the output shaft is fixed in an inner ring of the bearing and clamped on the inner side wall of the oil seal.
The utility model discloses an outstanding effect is:
compared with the prior art, the power take-off shaft is directly arranged on the gearbox body, so that power split output can be realized, the requirement of connecting an engine which is not provided with a power output port device for use is met, and meanwhile, bearings are arranged at two ends of an output shaft of the power take-off shaft, so that the power take-off shaft is uniform in stress, stable in operation and good in effect; and two single clutch hubs are adopted, so that the width of the whole gearbox body is reduced, and the installation and use in a small space are met.
Description of the drawings:
FIG. 1 is a simplified schematic diagram of the present invention;
FIG. 2 is a schematic structural view of the transmission housing of the present invention;
3 FIG. 3 3 3 is 3 a 3 partial 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 32 3; 3
FIG. 4 is a partial sectional view B-B of FIG. 2;
FIG. 5 is a partial schematic at the first clutch shaft;
fig. 6 is a partially enlarged view of fig. 3.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 6, a power-split rigid-connection hydraulic transmission comprises a transmission case 100, wherein a torque converter housing 20 of a torque converter is fixed on the upper wall surface of the right side of the transmission case 100, a power take-off driving gear 22 is fixed on a torque converter pump impeller 21 in the torque converter housing 20, a power take-off intermediate gear 11 is hinged on the upper part of the transmission case 100 through a middle shaft, a power take-off shaft 12 is hinged on the upper part of the transmission case 100 through a bearing, a power take-off driven gear 13 is fixed on one end of the power take-off shaft 12, the power take-off driving gear 22 is meshed with the power take-off intermediate gear 11, and the power take-off intermediate gear 11 is meshed with the power take-off driven gear 13;
a spline inner hole 121 is formed at one end of the power take-off shaft 12, and a middle through hole of the power take-off port mounting plate 1 is installed on one side wall of the spline inner hole 121 extending out of the gearbox body 100.
Furthermore, the transmission case 100 is hinged with a first clutch shaft 30, a second clutch shaft 40 and an output shaft 50, the first clutch shaft 30 is connected with the turbine shaft 23 in the torque converter housing 20, the first clutch shaft 30 is provided with a first driving gear 31 and a first driven gear 32, the second clutch shaft 40 is provided with a second driving gear 41 and a second driven gear 42, and the output shaft 50 is fixed with a third input gear 51 and an output gear 52;
the first driven gear 32 and the second driven gear 42 are respectively meshed with the third input gear 51, and the first drive gear 31 is meshed with the second drive gear 41.
Further, a single clutch hub is provided on each of the first clutch shaft 30 and the second clutch shaft 40.
Further, two ends of the output shaft 50 are hinged to two left and right side plates of the transmission case 100 through bearings, one end of the output shaft 50 extends out of the outer wall surface of the transmission case 100 and is fixed with an output gear 52, and the other end of the output shaft 50 is connected with a third input gear 51.
Further, an inner end surface of an inner race of the bearing of the one end of the output shaft 50 at the third input gear 51 is pressed against one side end surface of the third input gear 51, an elastic piece 53 is inserted and fitted at the one end of the output shaft 50 at the third input gear 51, and the elastic piece 53 is pressed against a corresponding end surface of the output gear 52.
Further, a spline connecting shaft portion 55 is formed in the middle of the inner end of the output shaft 50, a connecting shaft portion is formed at the end portion of the spline connecting shaft portion 55, the connecting shaft portion is fixed in the inner ring of the corresponding bearing, a spline through hole is formed in the middle of the third input gear 51, the spline connecting shaft portion 55 is inserted into the spline through hole of the third input gear 51 and is matched with the spline through hole of the third input gear 51, an elastic sheet 53 is inserted into the spline connecting shaft portion 55, one end face of the elastic sheet 53 is pressed against the end face of the inner end of the output shaft 50, and the other end face of the elastic sheet 53 is pressed against the end face of the third input gear 51.
Further, the clutch hub structure is that a clutch outer hub 102 is formed at the middle portion of each of the first clutch shaft 30 and the second clutch shaft 40, a clutch inner hub 103 is formed at each of the first driven gear 32 and the second driven gear 42, the first driving gear 31 is fixed to the first clutch shaft 30, the second driving gear 41 is fixed to the second clutch shaft 40, the clutch inner hub 103 is located at one side of the clutch outer hub 102, the clutch inner hub 103 is inserted into the first clutch shaft 30 or the second clutch shaft 40, the driving friction plate 104 and the driven friction plate 105 are located between the clutch inner hub 103 and the clutch outer hub 102, the driving friction plate 104 is engaged with external teeth provided on the clutch inner hub 103, the driven friction plate 105 is connected to the clutch outer hub 102, pressing blocks 106 are inserted into each of the first clutch shaft 30 and the second clutch shaft 40, the pressing blocks 106 are located between the clutch outer hub 102 and the clutch inner hub 103, the presser 106 opposes the corresponding driving friction plate 104 and driven friction plate 105.
Further, each of the first clutch shaft 30 and the second clutch shaft 40 has five driving friction plates 104 and five driven friction plates 105 mounted therein.
Furthermore, the outer end of the output shaft 50 is inserted into a connecting through hole 109 of a side plate of the transmission case 100, an outer ring of the bearing and an oil seal 108 are fixed on the inner side wall of the connecting through hole 109, and the outer end of the output shaft 50 is fixed in the inner ring of the bearing and clamped on the inner side wall of the oil seal 108.
In the present embodiment, the structures of the clutch inner hub 103, the clutch outer hub 102, the driving friction plates 104, the driven friction plates 105, and the pressure plates 106 of the first clutch shaft 30 and the second clutch shaft 40 are the same as those of the conventional wet clutch, and detailed description thereof is omitted.
The working principle is as follows: the turbine shaft 23 of the torque converter shell 20 drives the first clutch shaft 30 to rotate, the inner end of the turbine shaft 23 is a spline shaft, and the spline shaft is inserted and sleeved in a spline hole formed in one end of the first clutch shaft 30, so that the first clutch shaft 30 rotates, the first driving gear 31 rotates, and the first driving gear 31 drives the second driving gear 32 to rotate;
the connecting disc 201 in the torque converter shell 20 is connected with an engine, the engine runs to drive the connecting disc 201 to run, the connecting disc 201 is connected with the torque converter shell 202 in the torque converter shell 20, and the torque converter shell 202 is connected with the torque converter pump impeller 21, so that the torque converter pump impeller 21 rotates to drive the power take-off driving gear 22 to rotate, the power take-off intermediate gear 11 is driven to rotate, then the power take-off driven gear 13 is driven to rotate, the power take-off shaft 12 is driven to rotate, and the spline inner hole 121 in the power take-off shaft 12 can be connected with a power device, so that the power device is driven to run.
When the clutch needs to advance, oil is added into the pressing block 106 at the first clutch shaft 30 through an oil cavity in the pressing block 106, so that the pressing block 106 pushes, all the corresponding five driving friction plates 104 and five driven friction plates 105 are pressed against each other, when the first clutch shaft 30 rotates, the first driven gear 32 rotates simultaneously, the first driven gear 32 drives the third input gear 51 to rotate, the output shaft 50 rotates, the output shaft 50 drives the rear differential to operate through the output gear 52, and output power is output. The output gear 52 is a bevel gear. Here, the pressing piece 106 at the second clutch shaft 40 at this time is not pushed.
When the clutch needs to move backwards, oil is added into a pressing block 106 at the second clutch shaft 40 through an oil cavity in the pressing block 106, so that the pressing block 106 pushes, all the corresponding five driving friction plates 104 and five driven friction plates 105 are pressed against each other, when the second clutch shaft 40 rotates, the second driven gear 42 rotates simultaneously, the second driven gear 42 drives the third input gear 51 to rotate, the output shaft 50 rotates, the output shaft 50 drives a rear differential to operate through the output gear 52, and therefore power output is achieved. The pressing piece 106 at the first clutch shaft 30 at this time is not pushed.
In the present embodiment, the single clutch hubs are provided on both the first clutch shaft 30 and the second clutch shaft 40, so that the width of the entire clutch is reduced, and the installation and use in a small space are satisfied.
In this embodiment, two ends of the output shaft 50 are hinged in the transmission case 100 through bearings, so that when the output shaft 50 rotates, the stress is balanced and uniform, the normal operation of the output shaft is ensured, the transmission balance degree is improved, and meanwhile, the third input gear 51 cannot move on the output shaft 50 through the addition of the elastic piece 53, so that the abrasion of the output shaft 50 and the third input gear 51 is reduced, and the service life of the output shaft 50 and the third input gear 51 is prolonged.
In the embodiment, five driving friction plates 104 and five driven friction plates 105 are added into the clutch hub, and meanwhile, the pressure of oil after the transposition electromagnetic valve 300 is opened is controlled to be 1.0-1.3 mpa, so that the wear between the driving friction plates 104 and the driven friction plates 105 can be reduced under the condition of normal clutch.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (7)
1. A power-split, rigidly-coupled hydrodynamic transmission comprising a transmission housing (100), characterized in that: a torque converter shell (20) of a torque converter is fixed on the upper wall surface of the right side of the gearbox body (100), a power take-off driving gear (22) is fixed on a torque converter pump wheel (21) in the torque converter shell (20), a power take-off intermediate gear (11) is hinged to the upper portion of the gearbox body (100) through a middle shaft, a power take-off shaft (12) is hinged to the upper portion of the gearbox body (100) through a bearing, a power take-off driven gear (13) is fixed to one end of the power take-off shaft (12), the power take-off driving gear (22) is meshed with the power take-off intermediate gear (11), and the power take-off intermediate gear (11) is meshed with the power take-off driven gear (13);
a spline inner hole (121) is formed in one end of the power take-off shaft (12), and a middle through hole of the power take-off mounting plate (1) is formed in one side wall, extending out of the gearbox body (100), of the spline inner hole (121).
2. A power-splitting, rigidly-connected hydrodynamic transmission, as claimed in claim 1, wherein: a first clutch shaft (30), a second clutch shaft (40) and an output shaft (50) are hinged to the gearbox body (100), the first clutch shaft (30) is connected with a turbine shaft (23) in a torque converter shell (20), a first driving gear (31) and a first driven gear (32) are installed on the first clutch shaft (30), a second driving gear (41) and a second driven gear (42) are installed on the second clutch shaft (40), and a third input gear (51) and an output gear (52) are fixed on the output shaft (50);
the first driven gear (32) and the second driven gear (42) are respectively meshed with the third input gear (51), and the first driving gear (31) is meshed with the second driving gear (41).
3. A power-splitting, rigidly-connected hydrodynamic transmission, as claimed in claim 2, wherein: and single clutch hubs are arranged on the first clutch shaft (30) and the second clutch shaft (40).
4. A power-splitting, rigidly-connected hydrodynamic transmission, as claimed in claim 2, wherein: two ends of the output shaft (50) are hinged to the left side plate and the right side plate of the gearbox body (100) through bearings, one end of the output shaft (50) extends out of the outer wall surface of the gearbox body (100) and is fixed with an output gear (52), and the other end of the output shaft (50) is connected with a third input gear (51).
5. A power-splitting, rigid-link hydrodynamic transmission as recited in claim 4, wherein: the inner end surface of the inner ring of the bearing at one end of the output shaft (50) at the third input gear (51) is pressed against one side end surface of the third input gear (51), an elastic sheet (53) is inserted and sleeved at one end of the output shaft (50) at the third input gear (51), and the elastic sheet (53) is pressed against the corresponding end surface of the output gear (52).
6. A power-splitting, rigid-link hydrodynamic transmission as recited in claim 5, wherein: the middle part shaping of the inner of output shaft (50) has spline connection axial region (55), the tip shaping of spline connection axial region (55) has the connection axial region, the connection axial region is fixed in the inner circle of the bearing that corresponds, the middle part shaping of third input gear (51) has the spline through-hole, spline connection axial region (55) plug bush cooperatees in the spline through-hole of third input gear (51) and with the spline through-hole of third input gear (51), plug bush has elastic sheet (53) on spline connection axial region (55), the terminal surface pressure of elastic sheet (53) is on the terminal surface in the inner of output shaft (50), another terminal surface pressure of elastic sheet (53) is on the terminal surface of third input gear (51).
7. A power-splitting, rigid-link hydrodynamic transmission as recited in claim 3, wherein: the clutch hub structure is characterized in that clutch outer hubs (102) are formed in the middle portions of a first clutch shaft (30) and a second clutch shaft (40), clutch inner hubs (103) are formed on a first driven gear (32) and a second driven gear (42), a first driving gear (31) is fixed on the first clutch shaft (30), a second driving gear (41) is fixed on the second clutch shaft (40), the clutch inner hubs (103) are located on one side of the clutch outer hubs (102), the clutch inner hubs (103) are inserted and sleeved on the first clutch shaft (30) or the second clutch shaft (40), driving friction plates (104) and driven friction plates (105) are arranged between the clutch inner hubs (103) and the clutch outer hubs (102), the driving friction plates (104) are meshed with outer teeth on the clutch inner hubs (103), and the driven friction plates (105) are connected with the clutch outer hubs (102), pressing blocks (106) are inserted and sleeved on the first clutch shaft (30) and the second clutch shaft (40), the pressing blocks (106) are located between the clutch outer hub (102) and the clutch inner hub (103), and the pressing blocks (106) face the corresponding driving friction plate (104) and the corresponding driven friction plate (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349492.XU CN210566099U (en) | 2019-08-20 | 2019-08-20 | Power split rigid connection hydraulic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349492.XU CN210566099U (en) | 2019-08-20 | 2019-08-20 | Power split rigid connection hydraulic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566099U true CN210566099U (en) | 2020-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349492.XU Active CN210566099U (en) | 2019-08-20 | 2019-08-20 | Power split rigid connection hydraulic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566099U (en) |
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2019
- 2019-08-20 CN CN201921349492.XU patent/CN210566099U/en active Active
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