CN216231675U - Drive intermediate axle assembly with through shaft breaking and closing mechanism - Google Patents
Drive intermediate axle assembly with through shaft breaking and closing mechanism Download PDFInfo
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- CN216231675U CN216231675U CN202123074287.7U CN202123074287U CN216231675U CN 216231675 U CN216231675 U CN 216231675U CN 202123074287 U CN202123074287 U CN 202123074287U CN 216231675 U CN216231675 U CN 216231675U
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Abstract
The utility model belongs to the technical field of driving middle axles, and particularly relates to a driving middle axle assembly with a through shaft breaking and closing mechanism. The driving middle axle assembly comprises a front through axle assembly and a rear through axle assembly, an inter-axle differential lock in the front through axle assembly is connected with the front through axle through a sliding meshing sleeve A, a driving cylindrical gear is meshed with meshing teeth of the sliding meshing sleeve A, the left end of an output end flange in the rear through axle assembly is meshed with the meshing teeth of a sliding meshing sleeve B in the rear through axle, the sliding meshing sleeve A and the sliding meshing sleeve B are both provided with annular reinforcing ribs, the meshing teeth of the sliding meshing sleeve A are meshed with the driving cylindrical gear and then are in an inverted drawing die structure, a double-row angular contact ball bearing is arranged between the output end flange and the rear through axle, and a four-point angular contact bearing is sleeved on the outer side of the rear through axle. The drive middle axle assembly solves the problems that when the vehicles of 6x4 and 6x2 are mutually converted, the axial positioning of a through shaft is unstable, and an inter-shaft differential lock is easy to break.
Description
Technical Field
The utility model belongs to the technical field of driving middle axles, and particularly relates to a driving middle axle assembly with a through shaft breaking and closing mechanism.
Background
The through shaft structure with the power on-off mechanism is a main part for transmitting the power of a vehicle engine to a rear axle driving assembly and bears the impact force, the radial force and the like of working conditions such as impact, braking and the like. The main failure modes are through shaft breakage, through shaft oil seal leakage and the like, and the vehicle attendance rate is influenced. The main reason of the failure mode is that the through shaft is deflected due to insufficient support strength in the working process of the through shaft after bearing radial force, so that failures such as fracture, oil leakage of an oil seal and the like are caused.
Meanwhile, after the mechanism disconnects power, due to the working principle of the inter-axle differential, in order to convert the vehicle into a 6x2 form, the inter-axle differential lock must be locked, at the moment, the vehicle needs to be pulled up to the inter-axle differential lock for a long time to run, at the moment, the main failure mode in the driving axle is the breakage of the inter-axle differential lock, and the like, and the main reason of the failure mode is the fatigue breakage failure of the meshing teeth caused by insufficient strength due to the long-term working of the inter-axle differential lock.
The through shaft among the prior art is divided into jackshaft and output shaft, only has the output shaft to adopt a bearing to support, adjusts through the adjusting shim between jackshaft and the output shaft, and the jackshaft has certain bearing displacement volume, and the jackshaft easily causes the impact to the output shaft among the transaxle working process, and the jackshaft does not have the bearing to support, and the support rigidity is relatively poor, adjusts through the gasket, and the degree of difficulty is higher, and is required highly to spare part machining precision, and the cost of manufacture is higher, has reduced the purpose that improves economic benefits. The split type structure of jackshaft and output shaft is assembled to current through axle adoption, need adopt adjusting shim to adjust between the diaxon, avoids the too big impact damage failure mode that causes in diaxon clearance, but this kind of adjustment mode is comparatively complicated, and is higher to the machining precision requirement of diaxon, does not have location and support because of the jackshaft simultaneously, and the jackshaft both sides all need increase antifriction measure, avoids causing the failure mode such as fracture that the clearance grow leads to because of wearing and tearing volume is great in the jackshaft working process. Meanwhile, the requirement on machining precision is high, the production efficiency of the device is low due to the fact that the pad selecting process of the adjusting pad is long, batch production is affected, the manufacturing cost is high, and the purpose of improving the economic benefit of a terminal user cannot be achieved well.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a driving middle axle assembly with a through shaft breaking and closing mechanism, which solves the problems that the axial positioning of a through shaft is unstable and an inter-axle differential lock is easy to break when the vehicle types of a whole vehicle 6x4 and 6x2 are converted, improves the reliability and stability of the whole driving middle axle, improves the quality, meets the torque transmission requirement when the breaking and closing mechanism is connected, improves the transmission efficiency of the whole vehicle, reduces the fuel waste and improves the economic benefit of an end user.
The above object of the present invention is achieved by the following technical solutions:
a drive middle axle assembly with a through shaft breaking and closing mechanism comprises a front through shaft assembly and a rear through shaft assembly, the front through shaft assembly comprises an input end flange, a front through shaft, an inter-shaft differential lock, a driving cylindrical gear, a driven cylindrical gear, an inter-shaft differential mechanism, a rear half shaft gear, a driving bevel gear, a driven bevel gear and an inter-wheel differential mechanism, the input end flange is sleeved on the outer side of the left end of the front through shaft, the input end flange is connected with the front through shaft through a spline, the inter-axle differential lock is positioned on the right side of the input end flange and is connected with the front through shaft through a sliding meshing sleeve A, the sliding meshing sleeve A is connected with the front through shaft through a spline, the driving cylindrical gear is positioned on the right side of the inter-shaft differential lock, and the driving cylindrical gear is meshed with meshing teeth of the sliding meshing sleeve A;
an annular reinforcing rib is arranged on the outer side of the sliding meshing sleeve A, meshing teeth of the sliding meshing sleeve A are meshed with the driving cylindrical gear to form an inverted drawing structure, and the inter-axle differential lock connects or disconnects the front through axle and the driving cylindrical gear by controlling the sliding meshing sleeve A;
the rear through shaft assembly comprises a rear through shaft, an output end flange and a power breaking and closing mechanism, the output end flange is sleeved at the right end of the rear through shaft, a double-row angular contact ball bearing is arranged between the output end flange and the rear through shaft, the inner ring of the double-row angular contact ball bearing is in interference fit with the outer side of the rear through shaft, the outer ring of the double-row angular contact ball bearing is in interference fit with the inner side of the output end flange, a four-point angular contact bearing is sleeved on the outer side of the rear through shaft, the inner ring of the four-point angular contact bearing is in interference fit with the outer side of the rear through shaft, the outer ring of the four-point angular contact bearing is in interference fit with a rear cover of an axle housing, a sliding meshing sleeve B is sleeved at the joint between the left side of the output end flange and the rear through shaft and is connected with the rear through shaft through a spline, the meshing teeth of the sliding meshing sleeve B are meshed with the output end flange, an annular reinforcing rib is arranged on the outer side of the sliding meshing sleeve B, the meshing teeth of the sliding meshing sleeve B are meshed with the output end flange to form an inverted drawing structure, the sliding meshing sleeve B is used for connecting or disconnecting the rear through shaft with the output end flange, and the lower end of the power on-off mechanism is fixedly connected with the sliding meshing sleeve B and used for controlling the sliding meshing sleeve B to be connected or disconnected with the output end flange.
The preferred scheme is as follows:
preferably: the inter-axle differential mechanism is positioned on the right side of the driving cylindrical gear, the inter-axle differential mechanism is connected with the driving cylindrical gear through a gear, a cross shaft in the inter-axle differential mechanism is connected with the front through shaft through a spline, a rear half shaft gear is positioned on the right side of the inter-axle differential mechanism, the rear half shaft gear is connected with the inter-axle differential mechanism through a gear, the rear half shaft gear is connected with the rear through shaft through a spline, a driven cylindrical gear is positioned below the driving cylindrical gear and is meshed with the driving cylindrical gear through a gear, the driving bevel gear is positioned on the right side of the driven cylindrical gear and is connected with the driven cylindrical gear through a gear, the driven bevel gear is positioned between the rear half shaft gear and the driving bevel gear, and the driven bevel gear is meshed with the driving bevel gear through a gear, the inter-wheel differential is positioned on the right side of the driven bevel gear and is fixedly connected with the driven bevel gear through a bolt.
Preferably: the power breaking mechanism comprises a differential lock cylinder, a piston shaft, a shifting fork and a pressure switch, wherein the pressure switch is fastened through threads on the right side of the differential lock cylinder, the piston shaft is horizontally placed, the upper end of the shifting fork is fixedly connected with the middle of the piston shaft in a vertical mode, the lower end of the shifting fork is clamped with an outer side gear of a sliding meshing sleeve B, and the differential lock cylinder pushes the piston shaft to move horizontally through air pressure.
Preferably: and an oil seal is arranged between the output end flange and the axle housing rear cover.
In conclusion, the utility model has the following beneficial effects:
1. this drive middle axle assembly can realize vehicle 6x4 and two kinds of drive forms interconversion of 6x2 through running through axle and break-make mechanism under current machining precision and location benchmark condition, and the back runs through the axle and adopts four point angular contact bearing to support, and the output flange adopts double row angular contact ball bearing to support, has guaranteed the support rigidity of whole through axle, has promoted the high efficiency and the reliable performance of whole axle, and the assembly process is convenient, does not influence production efficiency, reduces the cost of manufacture. The arrangement of the two bearings solves the problem that the axial positioning of the through shaft is unstable, the torque transmission requirement during the connection of the breaking mechanism is met, the reliability and the stability of the whole device are improved, and the product quality is improved.
2. The outer side of the sliding meshing sleeve A is provided with the annular reinforcing rib, so that the strength of the whole sliding meshing sleeve A is improved, and the meshing tooth profile of the sliding meshing sleeve A is formed by adopting an inverted drawing die forging process, so that the inter-axle differential lock and the driving cylindrical gear can be more and more compact in the operation process, the separation trend caused by centrifugal force can be avoided, and the safety coefficient of the inter-axle differential lock is improved.
3. The outer side of the sliding meshing sleeve B is provided with the annular reinforcing rib, so that the strength of the whole sliding meshing sleeve B is enhanced, and the meshing tooth shape of the sliding meshing sleeve B is formed by adopting an inverted drawing die forging process, so that the sliding meshing sleeve B and the output end flange can rotate more and more tightly in the operation process, and the separation tendency can not occur due to centrifugal force.
Drawings
FIG. 1 is a schematic structural view in the example;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic structural view showing a state where the sliding engaging sleeve B is coupled to the output end flange in the embodiment;
FIG. 4 is a schematic structural view showing a state where the sliding sleeve B is separated from the output-side flange in the embodiment;
FIG. 5 is a schematic structural view of a sliding engaging sleeve A in the embodiment;
FIG. 6 is a schematic sectional view showing the structure of the sliding engaging sleeve A in the embodiment;
FIG. 7 is a schematic sectional view showing the structure of the sliding sleeve A in the embodiment in a state where the engaging teeth of the sliding sleeve A are engaged with the driving cylindrical gear;
fig. 8 is a schematic sectional view showing the structure of the embodiment in a state where the engaging teeth of the sliding engaging sleeve a are engaged with the output-side flange.
In the figure, 1, input end flange; 2. an output end flange; 3. a front through shaft; 4. a rear through shaft; 5. an inter-axle differential; 6. an inter-axle differential lock; 7. a driving cylindrical gear; 8. a driven cylindrical gear; 9. a rear half shaft gear; 10. a drive bevel gear; 11. a driven bevel gear; 12. an inter-wheel differential; 13. sliding the meshing sleeve A; 14. sliding the meshing sleeve B; 15. a double row angular contact ball bearing; 16. a four-point angular contact bearing; 17. a differential lock cylinder; 18. a piston shaft; 19. a shifting fork; 20. a pressure switch; 21. and (7) oil sealing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In which like parts are designated by like reference numerals. It should be noted that the terms "upper", "lower", "left", "right", "inner" and "outer" used in the following description refer to directions in the drawings, but are not limited thereto.
As shown in fig. 1-8, a drive intermediate axle assembly with a through shaft break-make mechanism comprises a front through shaft 3 assembly and a rear through shaft 4 assembly, wherein the front through shaft 3 assembly comprises an input end flange 1, a front through shaft 3, an inter-axle differential lock 6, a driving cylindrical gear 7, a driven cylindrical gear 8, an inter-axle differential 5, a rear half shaft gear 9, a driving bevel gear 10, a driven bevel gear 11 and an inter-wheel differential 12, and the rear through shaft 4 assembly comprises a rear through shaft 4, an output end flange 2 and a power break-make mechanism.
The input end flange 1 is sleeved outside the left end of the front through shaft 3, the input end flange 1 is connected with the front through shaft 3 through a spline, the inter-shaft differential lock 6 is positioned on the right side of the input end flange 1, the inter-shaft differential lock 6 is connected with the front through shaft 3 through a sliding meshing sleeve A13, the sliding meshing sleeve A13 is connected with the front through shaft 3 through a spline, the driving cylindrical gear 7 is positioned on the right side of the inter-shaft differential lock 6, the driving cylindrical gear 7 is meshed with meshing teeth of the sliding meshing sleeve A13, the inter-shaft differential lock 6 realizes the forced meshing and separation between the sliding meshing sleeve A13 and the driving cylindrical gear 7 by controlling the forced meshing and separation between the sliding meshing sleeve A13 and the driving cylindrical gear 7, so that the forced combination or separation between the front through shaft 3 and the driving cylindrical gear 7 is realized, the outer side of the sliding meshing sleeve A13 is provided with an annular reinforcing rib, the strength of the sliding meshing sleeve A13 can be enhanced, and the meshing sleeve A13 is formed by adopting a reverse die forging technology, the inter-axle differential lock 6 and the driving cylindrical gear 7 can be rotated more and more tightly in the operation process, the separation tendency caused by centrifugal force is avoided, the safety coefficient of the inter-axle differential lock 6 is improved, the inter-axle differential 5 is positioned at the right side of the driving cylindrical gear 7, a cross shaft in the inter-axle differential 5 is connected with the front through shaft 3 through a spline, the rear half shaft gear 9 is positioned at the right side of the inter-axle differential 5, the rear half shaft gear 9 is connected with the inter-axle differential 5 through a gear, the rear half shaft gear 9 is connected with the rear through shaft 4 through a spline, the inter-axle differential 5 drives the rear half shaft gear 9 to rotate, the rear half shaft gear 9 drives the rear through shaft 4 to rotate, the driving cylindrical gear 7 is connected with the inter-axle differential 5 through a gear, the inter-axle differential 5 drives the driving cylindrical gear 7 to rotate, the driven cylindrical gear 8 is positioned below the driving cylindrical gear 7 and is meshed with the driving cylindrical gear 7 through a gear, the driving cylindrical gear 7 drives the driven cylindrical gear 8 to rotate, the driving bevel gear 10 is located on the right side of the driven cylindrical gear 8 and is in gear connection with the driven cylindrical gear 8, the driven cylindrical gear 8 drives the driving bevel gear 10 to rotate, the driven bevel gear 11 is located between the rear half shaft gear 9 and the driving bevel gear 10, the driven bevel gear 11 is in gear engagement with the driving bevel gear 10, the driving bevel gear 10 drives the driven bevel gear 11 to rotate, the inter-wheel differential 12 is located on the right side of the driven bevel gear 11 and is fixedly connected with the driven bevel gear 11 through bolts, the driven bevel gear 11 drives the inter-wheel differential 12 to rotate, the inter-wheel differential 12 drives a wheel end to rotate, and the vehicle is driven to run.
The output end flange 2 is sleeved at the right end of the rear through shaft 4, a double-row angular contact ball bearing 15 is arranged between the output end flange 2 and the rear through shaft 4, the inner ring of the double-row angular contact ball bearing 15 is in interference fit with the outer side of the rear through shaft 4, the outer ring of the double-row angular contact ball bearing 15 is in interference fit with the inner side of the output end flange 2, an oil seal 21 is arranged between the output end flange 2 and the rear cover of the axle housing, the oil seal 21 is positioned at the tail end of a transmission system of the whole middle axle assembly and plays a role of sealing, the outer side of the rear through shaft 4 is sleeved with a four-point angular contact bearing 16, the inner ring of the four-point angular contact bearing 16 is in interference fit with the outer side of the rear through shaft 4, the outer ring of the four-point angular contact bearing 16 is in interference fit with the rear cover of the axle housing, the four-point angular contact bearing 16 plays a role of supporting the smooth rotation of the rear through shaft 4, and a sliding engagement sleeve B14 is sleeved at the joint between the left side of the output end flange 2 and the rear through shaft 4, the sliding meshing sleeve B14 is connected with the rear through shaft 4 through a spline, meshing teeth of the sliding meshing sleeve B14 are meshed with the output end flange 2, the sliding meshing sleeve B14 is used for connecting or disconnecting the rear through shaft 4 with the output end flange 2, annular reinforcing ribs are arranged on the outer side of the sliding meshing sleeve B14, the strength of the sliding meshing sleeve B14 can be enhanced, the meshing teeth of the sliding meshing sleeve B14 are formed by an inverted drawing die forging process, so that the sliding meshing sleeve B14 and the output end flange 2 can be tighter and tighter in the running process, and the separation tendency cannot occur due to centrifugal force.
The power on-off mechanism comprises a differential lock cylinder 17, a piston shaft 18, a shifting fork 19 and a pressure switch 20, wherein the pressure switch 20 is fastened on the right side of the differential lock cylinder 17 through threads, the pressure switch 20 detects whether the inter-shaft differential lock 6 is in a combined state or an off state at present through a sensor on the left side of the pressure switch 20, signals are transmitted to a cab through a wire harness connector on the right side of the pressure switch 20, the piston shaft 18 is horizontally placed, the upper end of the shifting fork 19 is vertically and fixedly connected with the middle of the piston shaft 18, the lower end of the shifting fork 19 is clamped with an outer side gear of a sliding meshing sleeve B14, the differential lock cylinder 17 pushes the piston shaft 18 to horizontally move through air pressure, the piston shaft 18 drives the shifting fork 19 to move left and right in the horizontal direction, and the shifting fork 19 drives the sliding meshing sleeve B14 to move left and right, so that the rear through shaft 4 is separated from and connected with an output end flange 2.
The specific implementation process comprises the following steps:
power transmission route of 6x4 vehicle type (under full load or heavy load): the sliding meshing sleeve A13 of the inter-axle differential lock 6 is disconnected with the driving cylindrical gear 7, the input end flange 1 transmits power to the front through shaft 3, the front through shaft 3 transmits power to the inter-axle differential 5, the inter-axle differential 5 drives the driving cylindrical gear 7 and the rear half-axle gear 9 to rotate, at the moment, the rotating speeds of the driving cylindrical gear 7 and the rear half-axle gear 9 are different, the rear half-axle gear 9 drives the rear through shaft 4 to rotate, the differential lock cylinder 17 drives the piston shaft 18 to move towards the direction of the output end flange 2, the piston shaft 18 drives the shifting fork 19, the shifting fork 19 drives the sliding meshing sleeve B14 to move towards the direction of the output end 2 until the sliding meshing sleeve B14 is connected with the output end flange 2, so that the rear through shaft 4 is connected with the output end flange 2, the power of the rear through shaft 4 is transmitted to the output end flange 2, at the moment, the rear through shaft 4 drives the output end flange 2 to rotate, the driving cylindrical gear 7 drives the driven cylindrical gear 8 to rotate, the driven cylindrical gear 8 drives the driving bevel gear 10 to rotate, the driving bevel gear 10 drives the driven bevel gear 11 to rotate, the driven bevel gear 11 drives the inter-wheel differential 12 to rotate, the inter-wheel differential 12 transmits power to the half shaft and further drives the wheel ends on two sides and tires to rotate, the driving axle housing assembly drives parts of a driving axle, the middle axle main reducer assembly and the wheel end assembly are integrated into a whole and connected with a frame of a whole automobile, power of an automobile engine is transmitted to the wheel end assembly through the half shaft through one part of the middle axle main reducer assembly to drive the automobile to run, the other part of the power is transmitted to the driving rear axle assembly through the rear through shaft 4 assembly to drive the automobile to run, and the automobile is in a 6x4 form in the state.
6x2 vehicle type (no load or light load condition) power transmission route: an inter-axle differential lock 6 is pulled out of the middle axle main reducer assembly, a sliding meshing sleeve A13 of the inter-axle differential lock 6 is in forced meshing with a driving cylindrical gear 7, power is transmitted to a front through shaft 3 by an input end flange 1, power is transmitted to an inter-axle differential 5 by the front through shaft 3, the inter-axle differential 5 drives the driving cylindrical gear 7 and a rear half shaft gear 9 to rotate, at the moment, the rotating speeds of the driving cylindrical gear 7 and the rear half shaft gear 9 are the same, the rear through shaft 4 is driven to rotate by the rear half shaft gear 9, a differential lock cylinder 17 drives a piston shaft 18 to move towards the direction far away from an output end flange 2, the piston shaft 18 drives a shifting fork 19, the shifting fork 19 drives a sliding meshing sleeve B14 to move towards the direction far away from the output end flange 2 until the sliding meshing sleeve B14 is disconnected with the output end flange 2, and therefore the rear through shaft 4 and the output end flange 2 in the rear through shaft 4 assembly are disconnected, the power of the rear through shaft 4 cannot be transmitted to the output end flange 2, the form conversion from 6x4 to 6x2 is realized, the transmission efficiency of the whole vehicle is improved, the oil consumption and the tire wear are reduced, and the economic benefit is improved.
The present embodiments are illustrative, but not restrictive, and changes, modifications, additions, and substitutions may be made within the spirit and scope of the present invention, and those skilled in the art may make modifications to the embodiments as required without any inventive contribution thereto after reading the present specification, but within the scope of the claims of the present invention.
Claims (4)
1. A drive middle axle assembly with a through shaft breaking-closing mechanism comprises a front through shaft (3) assembly and a rear through shaft (4) assembly, wherein the front through shaft (3) assembly comprises an input end flange (1), a front through shaft (3), an inter-axle differential lock (6), a driving cylindrical gear (7), a driven cylindrical gear (8), an inter-axle differential (5), a rear half-axle gear (9), a driving bevel gear (10), a driven bevel gear (11) and an inter-wheel differential (12), the input end flange (1) is sleeved on the outer side of the left end of the front through shaft (3), the input end flange (1) is connected with the front through shaft (3) through a spline, the inter-axle differential lock (6) is positioned on the right side of the input end flange (1), the inter-axle differential lock (6) is connected with the front through shaft (3) through a sliding meshing sleeve A (13), the sliding meshing sleeve A (13) is connected with the front through shaft (3) through a spline, the driving cylindrical gear (7) is located on the right side of the inter-shaft differential lock (6), and the driving cylindrical gear (7) is meshed with meshing teeth of the sliding meshing sleeve A (13);
the method is characterized in that: an annular reinforcing rib is arranged on the outer side of the sliding meshing sleeve A (13), meshing teeth of the sliding meshing sleeve A (13) are meshed with the driving cylindrical gear (7) to form an inverted drawing structure, and the inter-axle differential lock (6) connects or disconnects the front through shaft (3) and the driving cylindrical gear (7) by controlling the sliding meshing sleeve A (13);
the rear through shaft (4) assembly comprises a rear through shaft (4), an output end flange (2) and a power breaking mechanism, the output end flange (2) is arranged at the right end of the rear through shaft (4), the output end flange (2) and a double-row angular contact ball bearing (15) are arranged between the rear through shaft (4), the inner ring of the double-row angular contact ball bearing (15) is in interference fit with the outer side of the rear through shaft (4), the outer ring of the double-row angular contact ball bearing (15) is in interference fit with the inner side of the output end flange (2), a four-point angular contact bearing (16) is sleeved on the outer side of the rear through shaft (4), the inner ring of the four-point angular contact bearing (16) is in interference fit with the outer side of the rear through shaft (4), the outer ring of the four-point angular contact bearing (16) is in interference fit with an axle housing rear cover, and a sliding meshing engagement is sleeved at the joint between the left side of the output end flange (2) and the rear through shaft (4) The sliding meshing sleeve B (14) is connected with the rear through shaft (4) through a spline, meshing teeth of the sliding meshing sleeve B (14) are meshed with the output end flange (2), an annular reinforcing rib is arranged on the outer side of the sliding meshing sleeve B (14), the meshing teeth of the sliding meshing sleeve B (14) are meshed with the output end flange (2) and then form an inverted drawing die structure, the sliding meshing sleeve B (14) is used for connecting or disconnecting the rear through shaft (4) with the output end flange (2), and the lower end of the power on-off mechanism is fixedly connected with the sliding meshing sleeve B (14) and used for controlling the sliding meshing sleeve B (14) to be connected or disconnected with the output end flange (2).
2. The drive axle assembly with a through shaft disconnect mechanism of claim 1, wherein: the inter-axle differential (5) is positioned on the right side of the driving cylindrical gear (7), the inter-axle differential (5) is connected with the driving cylindrical gear (7) through a gear, a cross shaft in the inter-axle differential (5) is connected with the front through shaft (3) through a spline, the rear half shaft gear (9) is positioned on the right side of the inter-axle differential (5), the rear half shaft gear (9) is connected with the inter-axle differential (5) through a gear, the rear half shaft gear (9) is connected with the rear through shaft (4) through a spline, the driven cylindrical gear (8) is positioned below the driving cylindrical gear (7) and is meshed with the driving cylindrical gear (7) through a gear, the driving bevel gear (10) is positioned on the right side of the driven cylindrical gear (8) and is connected with the driven cylindrical gear (8) through a gear, the driven bevel gear (11) is located between the rear half shaft gear (9) and the driving bevel gear (10), the driven bevel gear (11) is meshed with the driving bevel gear (10) through gears, and the inter-wheel differential (12) is located on the right side of the driven bevel gear (11) and fixedly connected with the driven bevel gear (11) through bolts.
3. The drive axle assembly with a through shaft disconnect mechanism of claim 1, wherein: the power breaking mechanism comprises a differential lock cylinder (17), a piston shaft (18), a shifting fork (19) and a pressure switch (20), wherein the pressure switch (20) is fastened on the right side of the differential lock cylinder (17) through threads, the piston shaft (18) is horizontally placed, the upper end of the shifting fork (19) is fixedly connected with the middle of the piston shaft (18) in a vertical mode, the lower end of the shifting fork (19) is clamped with an outer side gear of a sliding meshing sleeve B (14), and the differential lock cylinder (17) pushes the piston shaft (18) to move horizontally through air pressure.
4. The drive axle assembly with a through shaft disconnect mechanism of claim 1, wherein: and an oil seal (21) is arranged between the output end flange (2) and the axle housing rear cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123074287.7U CN216231675U (en) | 2021-12-08 | 2021-12-08 | Drive intermediate axle assembly with through shaft breaking and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123074287.7U CN216231675U (en) | 2021-12-08 | 2021-12-08 | Drive intermediate axle assembly with through shaft breaking and closing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216231675U true CN216231675U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123074287.7U Active CN216231675U (en) | 2021-12-08 | 2021-12-08 | Drive intermediate axle assembly with through shaft breaking and closing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216231675U (en) |
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2021
- 2021-12-08 CN CN202123074287.7U patent/CN216231675U/en active Active
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