CN214146438U - Transfer case with reversing and speed slowing functions - Google Patents
Transfer case with reversing and speed slowing functions Download PDFInfo
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- CN214146438U CN214146438U CN202023351369.7U CN202023351369U CN214146438U CN 214146438 U CN214146438 U CN 214146438U CN 202023351369 U CN202023351369 U CN 202023351369U CN 214146438 U CN214146438 U CN 214146438U
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Abstract
A transfer case with reversing and retarding functions comprises a case body, a reversing device, a first operating mechanism and a retarder, wherein the reversing device is arranged in the case body and used for changing the running direction of a rail vehicle; the retarder is integrated on the box body, and a driving shaft of the retarder is connected with an input shaft of the reversing device through a pair of gear pairs or is in transmission connection after a torque increasing device is added between the pair of gear pairs; the running and bidirectional retarding functions of the vehicle in two directions are realized.
Description
Technical Field
The utility model belongs to the technical field of railway rail vehicle transmission equipment technique and specifically relates to a transfer case of area switching-over and slow-speed function.
Background
Along with the railway construction of high-speed development, more and more railway lines are distributed in the complicated various plateau of topography and mountain area, and the long ramp section of railway is more and more, and the rail-mounted vehicle need control the speed of a motor vehicle through frequent braking when the long ramp line that grows up moves, not only can't realize the constant speed operation, still causes the brake shoe wearing and tearing seriously, has shortened the cycle of changing the brake shoe, leads to the wheel scotch even easily, has brought the inconvenience for the application and the maintenance of vehicle.
According to the knowledge, the problem of auxiliary braking of a large and long ramp is solved by directly connecting the retarder of a heavy-duty car between a car engine and a power speed change reversing box by using a transmission shaft of the retarder of the heavy-duty car in the prior rail-mounted car, but the transmission of the method needs a large installation space, the transmission chain is complex, and the effect of auxiliary braking is not obvious because the retarder of the heavy-duty car has small torque and can only perform one-way retarding. The rail-mounted vehicles are various in types and need to run bidirectionally, the required auxiliary braking torques are different, and the problem of how to increase the torque of the retarder so as to adapt to different vehicle types and realize bidirectional retarding is a difficult problem.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art not enough to a transfer case of area switching-over and slow down function is provided, the operation and the two-way slow down function of two directions of vehicle are realized.
The utility model provides a technical scheme of problem is: a transfer case with reversing and retarding functions comprises a case body, a reversing device, a first operating mechanism and a retarder, wherein the reversing device is arranged in the case body and used for changing the running direction of a rail vehicle; the retarder is integrated on the box, and the drive shaft of the retarder is connected with the input shaft of the reversing device through a pair of gear pairs or is in transmission connection after a torque increasing device is added between the pair of gear pairs.
The pair of gear pairs are respectively a driving gear III arranged on the input shaft and a driven gear III arranged on the gear shaft, the gear shaft is mutually connected with a driving shaft of the retarder, and the axial leads of the gear shaft and the driving shaft are concentric; the retarder is a hydraulic retarder or an electromagnetic retarder.
The torque increasing device is arranged in the box body and comprises a torque increasing shaft arranged between the input shaft and the driving shaft in parallel, a torque increasing gear is arranged on the torque increasing shaft, and the torque increasing gear is engaged with the driving gear III and the driven gear III in a three-phase manner; the driving gear III and the driven gear III are both arranged inside the box body.
The reversing device comprises an input shaft, an output shaft and more than one intermediate shaft arranged between the input shaft and the output shaft, wherein the two ends of the input shaft, the output shaft and each intermediate shaft are supported on an inner cavity hole of the box body through bearings, and the axes of the input shaft, the output shaft and each intermediate shaft are parallel after the input shaft, the output shaft and each intermediate shaft are installed; at least one end of the output shaft extends outwards, and an output flange is arranged on the end part of the output shaft; one end of the input shaft extends out of the box body, an input flange is arranged at the end part of the input shaft, the first driving gear and the second driving gear are arranged in the middle of the input shaft through bearings, a first sliding gear is arranged on the input shaft between the first driving gear and the second driving gear, a clamping groove is formed in the outer part of the first sliding gear, an internal spline is arranged in the first sliding gear, a convex ring is protruded on one side of the first driving gear and one side of the second driving gear, which are close to the first sliding gear, and an external spline matched with the internal spline of the first sliding gear is arranged on the outer ring of the convex ring; the output shaft is provided with at least one driven gear, and each intermediate shaft is provided with at least one intermediate gear for transmission.
When the middle shaft of the reversing device is one, a middle gear III is arranged on the middle shaft, a middle gear II and a driven gear I are arranged on the output shaft, the driven gear I is meshed with the driving gear II, and the middle gear II is in transmission connection with the driving gear through the middle gear III on the middle shaft.
When the reversing device is provided with two intermediate shafts, a first driven gear is arranged on the output shaft, a third intermediate gear is arranged on the intermediate shaft close to one side of the input shaft, a second intermediate gear and a first intermediate gear are arranged on the other intermediate shaft, the first intermediate gear is meshed with the second driving gear and the first driven gear on the output shaft, and the second intermediate gear is in transmission connection with the driving gear through the third intermediate gear.
One side of one of the intermediate shafts is provided with an auxiliary power input shaft which is concentric with the shaft axis of the corresponding intermediate shaft, the auxiliary power input shaft and the outer circular surface of the opposite end corresponding to the intermediate shaft are both provided with an external spline, the end part of the auxiliary power input shaft is provided with a second sliding gear which can be operated to move transversely by a second operating mechanism, and the inner ring of the second sliding gear is provided with an internal spline which is matched with the external splines of the auxiliary power input shaft and the end part of the intermediate shaft.
A power take-off device is additionally arranged on the other side of the input shaft and comprises a power take-off shaft I and a power take-off shaft II, one end of the power take-off shaft I extends out of the box body, a power take-off flange is arranged on the end part of the power take-off shaft I, a driven gear II and a driving gear IV are respectively arranged on the power take-off shaft I and the power take-off shaft II, and the driving gear IV is meshed with the driven gear II; the second power take-off shaft is concentric with the axis of the input shaft, the outer circular surfaces of the opposite ends of the second power take-off shaft and the input shaft are provided with external splines, the end part of the second power take-off shaft is provided with a third sliding gear which can be operated by a third operating mechanism to move transversely, and the inner ring of the third sliding gear is provided with an internal spline which is matched with the external splines of the end parts of the input shaft and the second power take-off shaft.
The operating mechanism comprises a gear shifting rod, at least one end part of the gear shifting rod extends out of the through hole of the box body, the extending end of the gear shifting rod is connected with the driving device, and the other end of the gear shifting rod is suspended or provided with a manual operating mechanism; a shifting fork is arranged in the middle of the gear shifting rod, a fork opening of the shifting fork is clamped on a clamping groove corresponding to the sliding gear, and an end cover is arranged at a through hole for mounting the gear shifting rod on the box body; the driving device can be a cylinder or an oil cylinder.
The output flange or the power take-off flange is connected with a transmission shaft, and the transmission shaft is connected with a generator.
The utility model has the advantages that (1) the retarder is arranged, can consume the torque of a power source or provide braking torque, plays the roles of stepless speed regulation and auxiliary braking, and realizes the functions of constant-speed running of rail vehicles and prolonging the service life of brake shoes; (2) the retarder increases reverse torque by additionally arranging a torque increasing device, is suitable for various rail vehicles, and can realize a constant-speed running function within 90% of the maximum running speed of a self-running vehicle; (3) the torque increasing device is arranged in the box body, so that the installation space is saved. (4) Through the reversing device, the output steering of the transfer case can be adjusted, and the running and bidirectional speed slowing functions of the vehicle in two directions are realized.
Drawings
Fig. 1 is a structural sectional view of a first embodiment of the present invention;
fig. 2 is a structural sectional view of a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the operating mechanism of the present invention;
FIG. 4 is a schematic diagram of the retarder of the present invention;
FIG. 5 is a schematic transmission diagram of the transfer case drive generator of the present invention;
in the figure: 1. the gearbox comprises a box body, 2, a reversing device, 3, an output shaft, 4, a first intermediate shaft, 5, a first driven gear, 6, a first intermediate gear, 7, a bearing, 8, a second intermediate shaft, 9, a first sliding gear, 10, a second driving gear, 11, an input shaft, 12, an input flange, 13, a third driving gear, 14, a torque increasing gear, 15, a control valve, 16, a retarder, 17, a driving shaft, 18, a third driven gear, 19, a gear shaft, 20, a torque increasing shaft, 21, a first operating mechanism, 22, a first power take-off shaft, 23, a second driven gear, 24, a power take-off flange, 25, a fourth driving gear, 26, a third sliding gear, 27, a second power take-off shaft, 28, a first driving gear, 29, a second sliding gear, 30, an auxiliary power input shaft, 31, a third intermediate gear, 32, a second intermediate gear, 33, an output flange, 34, a driving device, 35, an end cover, 36, a lever, 37 and a shifting fork, 38. the generator comprises a shell, 39, a stator, 40, a rotor, 41, a charging and discharging oil pump, 42, a transmission shaft and 43.
Detailed Description
As shown in fig. 1, the utility model comprises a box body 1, a reversing device 2, a first operating mechanism 21 and a retarder 16; the box body 1 can be of an integrated structure and can also be of a split structure. The reversing device 2 is arranged in the box body 1 and used for changing the running direction of the rail-mounted vehicle, the operating mechanism I21 is used for operating the reversing device 2 to reverse, the retarder 16 is integrated on the box body 1, and a driving shaft 17 of the retarder 16 is connected with an input shaft 11 of the reversing device 2 through a pair of gear pairs or is in transmission connection after a torque increasing device is added between the gear pairs; the pair of gear pairs are respectively a driving gear III 13 arranged on the input shaft 11 and a driven gear III 18 arranged on a gear shaft 19, the gear shaft 19 is connected with a driving shaft 17 of the retarder 16, and the axial leads of the two gear pairs are concentric; the torque increasing device is arranged in the box body 1 and comprises a torque increasing shaft 20 which is arranged between the input shaft 11 and the driving shaft 17 in parallel, a torque increasing gear 14 is arranged on the torque increasing shaft 20, and the torque increasing gear 14 is meshed with a driving gear III 13 and a driven gear III 18; the torsion increasing shaft 20, the driving gear III 13 and the driven gear III 18 are all arranged inside the box body 1. When the reactive torque of the retarder 16 can directly meet the use requirement, the torque increasing gear 14 and the torque increasing shaft 20 can be cancelled, and the retarder 16 is directly driven to work by the driving gear III 13 through the gear shaft 19. The reversing device 2 comprises an output shaft 3, a first intermediate shaft 4, a second intermediate shaft 8, an input shaft 11, a first driven gear 5, a first intermediate gear 6, a second intermediate gear 32, a third intermediate gear 31, a first driving gear 28, a second driving gear 10, a first sliding gear 9 and a plurality of bearings 7. Two ends of the output shaft 3, the first intermediate shaft 4, the second intermediate shaft 8 and the input shaft 11 are respectively fixed on the inner cavity hole of the box body 1 through bearings 7, one end of the output shaft 3 extending out of the box body 1 is provided with an output flange 33, and the other end of the output shaft 3 is provided with a first driven gear 5. The first intermediate shaft 4 is provided with a first intermediate gear 6 and a second intermediate gear 32, and the second intermediate shaft 8 is provided with a third intermediate gear 31. An input flange 12 is arranged at one end, extending out of the box body 1, of the input shaft 11, a first driving gear 28 and a second driving gear 10 are installed in the middle of the input shaft 11 through a bearing 7, a first sliding gear 9 is installed between the first driving gear 28 and the second driving gear 10, a clamping groove is formed in the outer portion of the first sliding gear 9, an internal spline is arranged inside the first sliding gear 9, protruding rings protrude from one sides, close to the first sliding gear 9, of the first driving gear 28 and the second driving gear 10, and an external spline matched with the internal spline of the first sliding gear 9 is arranged on the outer ring of each protruding ring. Power is transmitted to the input shaft 11 from the input flange 12, and when the first sliding gear 9 is located at the middle position, the transfer case is located at the neutral position; when the first sliding gear 9 moves rightwards and is meshed with the second driving gear 10, power is transmitted to the second driving gear 10 from the input shaft 11 through the first sliding gear 9, the second driving gear 10 is meshed with the first intermediate gear 6, the first intermediate gear 6 is meshed with the first driven gear 5, and the first driven gear 5 drives the output shaft 3 to rotate forwards. When the first slipping gear 9 moves leftwards and is meshed with the first driving gear 28, power is transmitted to the first driving gear 28 from the input shaft 11 through the first slipping gear 9, the first driving gear 28 is meshed with the third intermediate gear 31, the third intermediate gear 31 is meshed with the second intermediate gear 32, the second intermediate gear 32 drives the first intermediate shaft 4 to rotate, the first intermediate shaft 4 drives the first intermediate gear 6 to rotate, the first intermediate gear 6 is meshed with the first driven gear 5, and the first driven gear 5 drives the output shaft 3 to rotate reversely, so that the reversing function of the transfer case is realized.
Furthermore, an auxiliary power input shaft 30 can be additionally arranged on the left side of the second intermediate shaft 8, a set of second operating mechanism and a second sliding gear 29 are additionally arranged, the auxiliary power input shaft 30 is concentric with the axis line of the corresponding intermediate shaft, the auxiliary power input shaft 30 and the outer circular surface of the opposite end corresponding to the intermediate shaft are respectively provided with an outer spline, the end part of the auxiliary power input shaft 30 is provided with the second sliding gear 29 which can be transversely moved through the operation of the second operating mechanism, and the inner ring of the second sliding gear 29 is provided with an inner spline which is matched with the outer splines of the auxiliary power input shaft 30 and the end part of the intermediate shaft; when no power is input on the input shaft 11, the sliding gear II 29 is driven to move by the operating mechanism II, so that the auxiliary power input shaft 30 is connected with the left side of the intermediate shaft II 8, and finally the output shaft 3 is driven to output power.
Furthermore, a power take-off device can be additionally arranged on one side of the input shaft 11 and comprises a first power take-off shaft 22 and a second power take-off shaft 27, one end of the first power take-off shaft 22 extends out of the box body 1, a power take-off flange 24 is arranged at the end part of the first power take-off shaft 22, a driven gear II 23 and a driving gear IV 25 are respectively arranged on the second power take-off shaft 27 and the first power take-off shaft 22, and the driving gear IV 25 is meshed with the driven gear II 23; the second power take-off shaft 27 is concentric with the axis of the input shaft 11, the outer circular surfaces of the opposite ends of the second power take-off shaft 27 and the input shaft 11 are both provided with external splines, the end part of the second power take-off shaft 27 is provided with a third sliding gear 26 which can be operated by the third operating mechanism to move transversely, and the inner ring of the third sliding gear 26 is provided with internal splines matched with the external splines at the end parts of the input shaft 11 and the second power take-off shaft 27. When power take-off is needed, the third sliding gear 26 can be driven to move through the third operating mechanism, so that the input shaft 11 is connected with the second power take-off shaft 27, power is transmitted to the second driven gear 23 from the input shaft 11 through the second power take-off shaft 27 and the fourth driving gear 25, the first driven gear 23 drives the first power take-off shaft 22, and finally power is transmitted to the power take-off flange 24, and output of small power is achieved.
Furthermore, a flange can be additionally arranged on the output shaft 3 to realize double-power output.
As shown in fig. 2, the composition of the reversing device 2 can be simplified from four shafts to three shafts according to the requirement and spatial layout, and the specific scheme is as follows: the first intermediate shaft 4 and the first driven gear 10 are eliminated, and the second intermediate gear 32 is arranged on the output shaft 3. When the first sliding gear 9 moves rightwards and is meshed with the second driving gear 10, power is transmitted to the second driving gear 10 from the input shaft 11 through the first sliding gear 9, the second driving gear 10 is meshed with the first driven gear 5, and the first driven gear 5 drives the output shaft 3 to rotate reversely. When the first sliding gear 9 moves leftwards to be meshed with the first driving gear 28, power is transmitted to the first driving gear 28 from the input shaft 11 through the first sliding gear 9, the first driving gear 28 is meshed with the third intermediate gear 31, the third intermediate gear 31 is meshed with the second intermediate gear 32, and the second intermediate gear 32 drives the output shaft 3 to rotate forwards.
As shown in fig. 3, the operating mechanism includes a shift fork 37, a shift lever 36, a driving device 34 and an end cap 35, the shift fork 37 is fixed on the shift lever 36, the shift lever 36 is connected with the driving device 34, and a fork opening of the shift fork 37 is clamped on a clamping groove of the corresponding sliding gear. The driving device 34 of the operating mechanism I21 drives the shifting fork 37 to move through the gear shifting rod 36, and the shifting fork 37 drives the sliding gear I9 to move left or right, so that the transfer case is shifted, shifted or reversed. The other end of the first operating mechanism 21 can be additionally provided with a manual operating mechanism.
As shown in fig. 4, the retarder 16 is a hydrodynamic retarder, the retarder 16 includes a stator 39, a rotor 40, a housing 38, a control valve 15, an oil charge and discharge pump 41, and a driving shaft 17, the stator 39 is connected with the housing 38, one end of the driving shaft 17 is connected with the gear shaft 19, and the other end of the driving shaft 17 is connected with the rotor 40. The control valve 15 applies pressure to the oil sump via the charge and discharge oil pump 41 to charge the working fluid into the working chamber between the rotor 40 and the stator 39. The driving gear III 13 is meshed with the torque increasing gear 14, the torque increasing gear 14 is meshed with the torque increasing gear 26, the torque increasing gear 26 drives the driving shaft 17 to rotate, the driving shaft 17 drives the rotor 40 to rotate, the rotor 40 drives the working fluid to act on the stator 39, the counter torque of the stator 39 is transmitted to the driving gear III 13 after being increased in torque through the rotor 40 and the torque increasing device, and the braking or stepless speed regulating torque of the transfer case is formed.
The retarder 16 may also be an electromagnetic retarder.
As shown in fig. 5, the output flange 33 or the power take-off flange 24 may be connected to a transmission shaft 42, and the transmission shaft 42 is connected to a generator 43 to perform a power generation function.
The retarder is arranged on the box body, can consume the torque of a power source or provide braking torque, plays roles of auxiliary braking and stepless speed regulation, and achieves the functions of prolonging the service life of the brake shoe and running at a constant speed. The box is internally provided with a gear chain and an operating device for changing the running direction of the vehicle, and different gears on the gear chain are meshed or separated through the operating device on the premise of ensuring that the retarder can work in a one-way mode all the time, so that the functions of turning running, stopping and slowing the vehicle in two directions are realized.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a transfer case of area switching-over and slow-speed function which characterized in that: the device comprises a box body (1), a reversing device (2) arranged in the box body (1) and used for changing the running direction of a rail vehicle, a first operating mechanism (21) used for operating the reversing device (2) to reverse and a retarder (16), wherein the first operating mechanism (21) is connected with the reversing device (2); the retarder (16) is integrated on the box body (1), and a driving shaft (17) of the retarder (16) is connected with an input shaft (11) of the reversing device (2) through a pair of gear pairs or is in transmission connection after a torque increasing device is added between the gear pairs.
2. The transfer case with the reversing and retarding functions as claimed in claim 1, characterized in that: the pair of gear pairs are respectively a driving gear III (13) arranged on the input shaft (11) and a driven gear III (18) arranged on the gear shaft (19), the gear shaft (19) and a driving shaft (17) of the retarder (16) are mutually connected, and the axial leads of the two gear pairs are concentric; the retarder (16) is a hydrodynamic retarder or an electromagnetic retarder.
3. The transfer case with the reversing and retarding functions as claimed in claim 1, characterized in that: the torque increasing device is arranged in the box body (1), the torque increasing device comprises a torque increasing shaft (20) which is arranged between the input shaft (11) and the driving shaft (17) in parallel, a torque increasing gear (14) is arranged on the torque increasing shaft (20), and the torque increasing gear (14) is meshed with a driving gear III (13) and a driven gear III (18); the driving gear III (13) and the driven gear III (18) are arranged inside the box body (1).
4. The transfer case with the reversing and retarding functions as claimed in claim 1, characterized in that: the reversing device (2) comprises an input shaft (11), an output shaft (3) and more than one intermediate shaft arranged between the input shaft (11) and the output shaft (3), wherein the input shaft (11), the output shaft (3) and two ends of each intermediate shaft are supported on an inner cavity hole of the box body (1) through bearings (7), and the axes of the input shaft (11), the output shaft (3) and each intermediate shaft are parallel after installation; at least one end of the output shaft (3) extends outwards, and an output flange (33) is arranged on the end part; one end of an input shaft (11) extends out of the box body (1), an input flange (12) is mounted at the end of the input shaft, a first driving gear (28) and a second driving gear (10) are mounted in the middle of the input shaft (11) through a bearing (7), a first sliding gear (9) is mounted on the input shaft (11) between the first driving gear (28) and the second driving gear (10), a clamping groove is formed in the outer portion of the first sliding gear (9), an internal spline is formed in the inner portion of the first sliding gear, convex rings protrude from one sides, close to the first sliding gear (9), of the first driving gear (28) and the second driving gear (10), and an outer spline matched with the internal spline of the first sliding gear (9) is arranged on the outer rings of the convex rings; the output shaft (3) is provided with at least one driven gear, and each intermediate shaft is provided with at least one intermediate gear for transmission.
5. The transfer case with the reversing and retarding functions as claimed in claim 4, wherein: when the intermediate shaft of the reversing device (2) is one, the intermediate shaft is provided with an intermediate gear III (31), the output shaft (3) is provided with an intermediate gear II (32) and a driven gear I (5), wherein the driven gear I (5) is meshed with the driving gear II (10), and the intermediate gear II (32) is in transmission connection with the driving gear I (28) through the intermediate gear III (31) on the intermediate shaft.
6. The transfer case with the reversing and retarding functions as claimed in claim 4, wherein: when the number of the intermediate shafts of the reversing device (2) is two, a driven gear I (5) is arranged on the output shaft (3), an intermediate gear III (31) is arranged on the intermediate shaft close to one side of the input shaft (11), an intermediate gear II (32) and an intermediate gear I (6) are arranged on the other intermediate shaft, wherein the intermediate gear I (6) is meshed with a driving gear II (10) and the driven gear I (5) on the output shaft (3), and the intermediate gear II (32) is in transmission connection with the driving gear I (28) through the intermediate gear III (31).
7. The transfer case with the reversing and retarding functions as claimed in claim 4, wherein: one side of one of the intermediate shafts is provided with an auxiliary power input shaft (30), the auxiliary power input shaft (30) is concentric with the axis line of the corresponding intermediate shaft, the auxiliary power input shaft (30) and the outer circular surface of the opposite end of the corresponding intermediate shaft are respectively provided with an external spline, the end part of the auxiliary power input shaft (30) is provided with a second sliding gear (29) which can be operated to move transversely through a second operating mechanism, and the inner ring of the second sliding gear (29) is provided with an internal spline which is matched with the external splines of the auxiliary power input shaft (30) and the end part of the intermediate shaft.
8. The transfer case with the reversing and retarding functions as claimed in claim 7, wherein: a power take-off device is additionally arranged on the other side of the input shaft (11), the power take-off device comprises a first power take-off shaft (22) and a second power take-off shaft (27), one end of the first power take-off shaft (22) extends out of the box body (1), a power take-off flange (24) is arranged at the end part of the first power take-off shaft (22), a driven gear II (23) and a driving gear II (25) are respectively arranged on the first power take-off shaft (22) and the second power take-off shaft (27), and the driving gear II (25) is meshed with the driven gear II (23); the second power take-off shaft (27) is concentric with the axis of the input shaft (11), external splines are arranged on the outer circular surfaces of the opposite ends of the second power take-off shaft (27) and the input shaft (11), a third sliding gear (26) capable of being operated by a third operating mechanism to move transversely is arranged at the end part of the second power take-off shaft (27), and internal splines matched with the external splines at the end parts of the input shaft (11) and the second power take-off shaft (27) are arranged on the inner ring of the third sliding gear (26).
9. The transfer case with the reversing and speed-slowing functions according to any one of claims 1, 2, 3, 4, 7 and 8, is characterized in that: the operating mechanism comprises a gear shifting rod (36), at least one end part of the gear shifting rod (36) extends out of the through hole of the box body (1), the extending end is connected with the driving device (34), and the other end is suspended or provided with a manual operating mechanism; a shifting fork (37) is arranged in the middle of the gear shift lever (36), a fork opening of the shifting fork (37) is clamped on a clamping groove of the corresponding sliding gear, and an end cover (35) is arranged at a through hole for mounting the gear shift lever (36) on the box body (1); the drive means (34) may be a cylinder or a ram.
10. The transfer case with the reversing and retarding functions as claimed in claim 8, wherein: the output flange (33) or the power take-off flange (24) is connected with a transmission shaft (42), and the transmission shaft (42) is connected with a generator (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351369.7U CN214146438U (en) | 2020-12-31 | 2020-12-31 | Transfer case with reversing and speed slowing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351369.7U CN214146438U (en) | 2020-12-31 | 2020-12-31 | Transfer case with reversing and speed slowing functions |
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| Publication Number | Publication Date |
|---|---|
| CN214146438U true CN214146438U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023351369.7U Active CN214146438U (en) | 2020-12-31 | 2020-12-31 | Transfer case with reversing and speed slowing functions |
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| Country | Link |
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| CN (1) | CN214146438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251114A (en) * | 2020-12-31 | 2021-08-13 | 金鹰重型工程机械股份有限公司 | Transfer case with reversing and speed slowing functions |
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2020
- 2020-12-31 CN CN202023351369.7U patent/CN214146438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251114A (en) * | 2020-12-31 | 2021-08-13 | 金鹰重型工程机械股份有限公司 | Transfer case with reversing and speed slowing functions |
| CN113251114B (en) * | 2020-12-31 | 2024-04-26 | 金鹰重型工程机械股份有限公司 | Transfer case with reversing and retarding functions |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |