CN115352221A - Integrative drive assembly of light-weight type axle case - Google Patents
Integrative drive assembly of light-weight type axle case Download PDFInfo
- Publication number
- CN115352221A CN115352221A CN202211273504.1A CN202211273504A CN115352221A CN 115352221 A CN115352221 A CN 115352221A CN 202211273504 A CN202211273504 A CN 202211273504A CN 115352221 A CN115352221 A CN 115352221A
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- China
- Prior art keywords
- half shaft
- drive
- driving
- fluted disc
- chassis
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of axle boxes, and particularly discloses a light-weight axle box integrated drive assembly; the circuit board is detachably connected with the substrate through a fixing structure; the brake device comprises a driving half shaft, a driven half shaft and a transmission device; the transmission device is used for driving the driven half shaft through the transmission device, the transmission device comprises a fluted disc and a separator, the fluted discs which are meshed with each other are arranged on opposite sides of the driving half shaft and the driven half shaft, and the separator is used for separating the meshed fluted discs; when the braking is needed, the fluted disc meshed with the driving half shaft and the driven half shaft can be separated through the separator, so that the friction force required by the vehicle for braking wheels is reduced, the braking distance can be effectively shortened, and meanwhile, as the driving half shaft is separated from the driven half shaft, a control and operation system for the driving half shaft can be omitted during braking, so that the production and maintenance cost can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of axle boxes, in particular to a light-weight axle box integrated drive assembly.
Background
The axle box is an important part for transmission and bearing of a large-sized vehicle, and along with popularization of the vehicle, the drive axle box is slowly developed into an axle box integrated structure integrating a motor, a speed reducer and a drive axle into a whole from a single structure, the volume of the integrated axle box integrated axle drive axle is greatly reduced compared with the volume of a traditional structure, and more space arrangement circuit structures are provided for the vehicle.
The conventional vehicle braking is usually realized by a braking device at the wheel hub, the wheel is forced to stop rotating by friction force mainly in a mode that a brake block embraces the wheel hub, and the prior art has no defects in the realization of the braking function.
Disclosure of Invention
The invention aims to provide a lightweight axle box integrated drive assembly, which solves the following technical problems:
how to further effectively improve the braking efficiency of the vehicle.
The purpose of the invention can be realized by the following technical scheme:
a light-weight axle box integrated drive assembly comprises a brake device, wherein the brake device comprises a drive half shaft, a driven half shaft and a transmission device; the transmission device is used for enabling the driving half shaft to drive the driven half shaft through the transmission device, the transmission device comprises a fluted disc and a separator, the fluted discs meshed with each other are arranged on the opposite sides of the driving half shaft and the driven half shaft, and the separator is used for separating the meshed fluted discs.
As a further scheme of the invention: the fluted disc is including setting up in the first fluted disc of drive semi-axis and setting up in the second fluted disc of driven semi-axis, first fluted disc is through activity chassis and drive semi-axis swing joint, the second fluted disc is through fixed chassis and driven semi-axis fixed connection, the separator includes push rod and separation head, the separation head is the wedge structure including an hypotenuse and straight flange, the separation head hypotenuse is close to the drive semi-axis side.
As a further scheme of the invention: a sliding groove corresponding to the driving half shaft is formed in the movable chassis, the driving half shaft slides along the axial direction of the sliding groove, and a driving device used for driving the movable chassis to move towards the fixed chassis side is arranged between the driving half shaft and the movable chassis.
As a further scheme of the invention: the driving device comprises a spring, a positioning block and a sliding block, the positioning block is arranged at the end, close to the movable chassis, of the driving half shaft, a limiting groove corresponding to the positioning block is formed in the side, close to the positioning block, of the movable chassis, a limiting column capable of axially sliding along the driving half shaft is arranged in the limiting groove, and the spring used for driving the movable chassis to move towards the fixed chassis is sleeved on the outer side of the limiting column.
As a further scheme of the invention: the outer edge of the movable chassis is provided with a low-friction mechanism.
As a further scheme of the invention: the low-friction structure is a bearing ring which is connected with the movable chassis in a sliding manner.
The invention has the beneficial effects that:
(1) When the braking is needed, the fluted disc meshed with the driving half shaft and the driven half shaft can be separated through the separator, so that the friction force required by the vehicle for braking the wheels is reduced, the braking distance can be effectively shortened, and meanwhile, because the driving half shaft is separated from the driven half shaft, a control and operation system for the driving half shaft can be omitted during the braking, so that the production and maintenance cost can be effectively reduced;
(2) The invention further discloses a concrete structure of the separator, the separating head can be pushed to be close to the fluted disc through the push rod, the bevel edge of the wedge-shaped separating head can abut against a bearing ring of the driving half shaft along with the approaching of the separating head, the straight edge of the separating head abuts against a fixed chassis of the driven half shaft, and along with the further approaching of the separating head, the bearing ring can drive the movable chassis to be away from the fixed chassis until the fluted discs of the movable chassis and the fixed chassis are disengaged, and in the process, the spring elasticity can apply pressure on the movable chassis and the bearing disc, so that the straight edge of the separating head presses the fixed chassis, and the separating head further improves the braking efficiency on the driven half shaft.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a lightweight integrated axle box drive assembly of the present invention;
FIG. 2 is a schematic view of a fixed chassis structure of the integrated drive assembly of the light-weight axle box of the present invention;
fig. 3 is a cross-sectional view of a decoupler of the lightweight axle box integrated drive assembly of the present invention.
In the figure: 1. a drive half shaft; 11. a movable chassis; 12. a bearing ring; 13. a spring; 14. positioning blocks; 15. a chute; 16. a limiting column; 17. a limiting groove; 2. a driven half shaft; 21. fixing the chassis; 3. a separation head; 31. a push rod; 4. and (7) a fluted disc.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention is a lightweight axle box integrated drive assembly.
Example 1
A light-weight axle box integrated drive assembly comprises a brake device, wherein the brake device comprises a drive half shaft 1, a driven half shaft 2 and a transmission device; the transmission device is used for driving the driven half shaft 2 through the transmission device by the driving half shaft 1, the transmission device comprises a fluted disc 4 and a separator, the fluted discs 4 which are meshed with each other are arranged on the opposite sides of the driving half shaft 1 and the driven half shaft 2, and the separator is used for separating the meshed fluted disc 4.
In this embodiment, the driving half shaft 1 obtains the output power of the engine through a series of transmission structures and continuously rotates, the driving half shaft 1 is in transmission connection with the driven half shaft 2 through the meshed fluted disc 4 and outputs the power to the driven half shaft 2, the driven half shaft 2 outputs the obtained power to the wheel for driving the vehicle to run, when braking is needed, the meshed fluted discs 4 can be separated through the separator, so that the driven half shaft 2 loses power, the wheel braking is more convenient, and a control system and a structure which need to control the driving half shaft 1 to stop in the braking process in the prior art are also omitted.
Specifically, fluted disc 4 is including setting up in first fluted disc 4 of drive semi-axis 1 and setting up in second fluted disc 4 of driven semi-axis 2, and first fluted disc 4 is through activity chassis 11 and drive semi-axis 1 swing joint, and second fluted disc 4 is through fixed chassis 21 and driven semi-axis 2 fixed connection, and the separator includes push rod 31 and separation head 3, and separation head 3 is the wedge structure including a hypotenuse and straight flange, and separation head 3 hypotenuse is close to drive semi-axis 1 side.
In the embodiment, the separator is composed of a push rod 31 and a separating head 3, wherein the separating head 3 is in a wedge-shaped structure, so as to promote the separation of the fluted disc 4 in the movement process of the separating head 3, and the separating head 3 can be in a cone-shaped structure, a drop-shaped structure and the like for this purpose, or can be in other shapes for the above purpose, or can realize the purpose through other structures or devices; in the embodiment, the oblique edge of the separating head 3 is close to the side of the driving half shaft 1, and the straight edge is close to the side of the driven half shaft 2, so that the driven half shaft 2 is not changed in position in order to move the driving half shaft 1; the purpose of the above design is to separate the driving half shaft 1 and the driven half shaft 2 by the fluted disc 4, and for this purpose, the straight edge of the separating head 3 can be tightly attached to the driving half shaft 1 side, so that the driving half shaft 1 is not moved and the driven half shaft 2 is moved.
Specifically, a sliding groove 15 corresponding to the driving half shaft 1 is formed in the movable chassis 11, the driving half shaft 1 slides axially along the sliding groove 15, and a driving device for driving the movable chassis 11 to move towards the fixed chassis 21 is arranged between the driving half shaft 1 and the movable chassis 11.
In order to better achieve the effect of the movement of the driving half-shaft 1, in the present embodiment, a slide groove 15 is provided, which is axially distanced from the driven half-shaft 2 when the driving half-shaft 1 is forced so as to effect the disengagement, and in order to cause the movable chassis 11 to exert a pressure on the disengaging head 3 so as to brake the fixed chassis 21, a driving device is provided in the present embodiment; in this embodiment, the relative movement between the driving axle shaft 1 and the movable chassis 11 is only along the axial direction of the driving axle shaft 1, in order to achieve this effect, an axial limiting protrusion may be disposed at the end of the driving axle shaft 1 close to the movable chassis 11, and a limiting sliding slot 15 corresponding to the limiting protrusion may be disposed in the movable chassis 11, so that the radial section of the driving axle shaft 1 is no longer circular, and when the driving axle shaft 1 rotates, the driving axle shaft may drive the movable chassis 11 to rotate together without circumferential slippage.
Specifically, the driving device comprises a spring 13, a positioning block 14 and a sliding block, the positioning block 14 is arranged at the end, close to the movable chassis 11, of the driving half shaft 1, a limiting groove 17 corresponding to the positioning block 14 is formed in the side, close to the positioning block 14, of the movable chassis 11, a limiting column 16 capable of axially sliding along the driving half shaft 1 is arranged in the limiting groove 17, and the spring 13 used for driving the movable chassis 11 to move towards the fixed chassis 21 is sleeved on the outer side of the limiting column 16.
In the embodiment, a structure of the driving device is specifically provided, specifically, a spring 13 which is always compressed is arranged between the driving half shaft 1 and the movable chassis 11, so that the movable chassis 11 is continuously pressed towards the fixed chassis 21, and for the purpose, the embodiment is further provided with a limit column 16, a limit groove 17 and a positioning block 14 which limit the movement of the movable chassis 11; for this purpose, the present embodiment may also use an electromagnet, an electric telescopic rod, or other devices or structures to press the movable chassis 11 toward the fixed chassis 21.
Specifically, the outer edge of the movable chassis 11 is provided with a low friction mechanism.
In order to improve the braking efficiency of the separation head 3 to the fixed chassis 21 in this embodiment, a low friction mechanism may be disposed at the outer edge of the movable chassis 11, so as to reduce the friction force between the movable chassis 11 and the separation head 3 while the separation head 3 presses the movable chassis 11, and the low friction coating, the lubricant or the low damping structure may be applied, such as teflon coating, lubricant oil or the like.
In particular, the low friction structure is a bearing ring 12 slidably connected to a movable chassis 11.
In order to further improve the braking efficiency of the separating head 3 on the fixed chassis 21, a ring of bearing ring 12 is arranged on the outer edge of the movable chassis 11, so that the friction force between the separating head 3 and the movable chassis 11 can be effectively reduced.
The working principle of the application is as follows:
when braking is needed, the fluted disc 4 meshed with the driving half shaft 1 and the driven half shaft 2 can be separated through the separator, so that the friction force required by a vehicle for braking wheels is reduced, the braking distance can be effectively shortened, and meanwhile, as the driving half shaft 1 is separated from the driven half shaft 2, a control and operation system for the driving half shaft 1 can be omitted during braking, so that the production and maintenance cost can be effectively reduced;
the invention further discloses a concrete structure of the separator, the separating head 3 can be pushed to be close to the fluted disc 4 through the push rod 31, the inclined edge of the wedge-shaped separating head 3 can abut against the bearing ring 12 of the driving half shaft 1 along with the approaching of the separating head 3, the straight edge of the separating head 3 abuts against the fixed chassis 21 of the driven half shaft 2, and along with the further approaching of the separating head 3, the bearing ring 12 can drive the movable chassis 11 to be away from the fixed chassis 21 until the movable chassis 11 is disengaged from the fluted disc 4 of the fixed chassis 21, and in the process, the elastic force of the spring 13 can apply pressure to the movable chassis 11 and the bearing disc, so that the straight edge of the separating head 3 presses the fixed chassis 21, and the separating head 3 further improves the braking efficiency of the driven half shaft 2.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (5)
1. The light-weight axle box integrated drive assembly is characterized by comprising a brake device, wherein the brake device comprises a drive half shaft (1), a driven half shaft (2) and a transmission device; the transmission device is used for enabling the driving half shaft (1) to drive the driven half shaft (2) through the transmission device, the transmission device comprises a fluted disc (4) and a separator, the fluted discs (4) which are meshed with each other are arranged on the opposite sides of the driving half shaft (1) and the driven half shaft (2), and the separator is used for separating the meshed fluted disc (4);
fluted disc (4) including set up in first fluted disc (4) of drive semi-axis (1) and set up in second fluted disc (4) of driven semi-axis (2), first fluted disc (4) are through activity chassis (11) and drive semi-axis (1) swing joint, second fluted disc (4) are through fixed chassis (21) and driven semi-axis (2) fixed connection, the separator includes push rod (31) and separation head (3), separation head (3) are the wedge structure including a hypotenuse and straight flange, separation head (3) hypotenuse is close to drive semi-axis (1) side.
2. The integrated drive assembly of the light-weight axle box according to claim 1, wherein a sliding groove (15) corresponding to the drive half shaft (1) is formed in the movable chassis (11), the drive half shaft (1) axially slides along the sliding groove (15), and a drive device for driving the movable chassis (11) to move towards the fixed chassis (21) is arranged between the drive half shaft (1) and the movable chassis (11).
3. The integrated drive assembly of the light-weight axle box according to claim 2, wherein the drive device comprises a spring (13), a positioning block (14) and a slider, the end of the drive axle shaft (1) close to the movable chassis (11) is provided with the positioning block (14), the side of the movable chassis (11) close to the positioning block (14) is provided with a limiting groove (17) corresponding to the positioning block (14), a limiting column (16) capable of axially sliding along the drive axle shaft (1) is arranged in the limiting groove (17), and the spring (13) for driving the movable chassis (11) to move towards the fixed chassis (21) is sleeved on the outer side of the limiting column (16).
4. A lightweight axle box integrated drive assembly according to claim 3, wherein said movable chassis (11) is provided with low friction means at its outer edge.
5. A lightweight axle box integrated drive assembly according to claim 4, wherein said low friction construction is a bearing ring (12) in sliding connection with a movable chassis (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211273504.1A CN115352221B (en) | 2022-10-18 | 2022-10-18 | Integrated drive assembly of light-weight axle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211273504.1A CN115352221B (en) | 2022-10-18 | 2022-10-18 | Integrated drive assembly of light-weight axle box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115352221A true CN115352221A (en) | 2022-11-18 |
| CN115352221B CN115352221B (en) | 2023-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211273504.1A Active CN115352221B (en) | 2022-10-18 | 2022-10-18 | Integrated drive assembly of light-weight axle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115352221B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076511U (en) * | 1990-08-04 | 1991-05-08 | 李凤纲 | Sliding device for automobile |
| CN210650300U (en) * | 2019-06-20 | 2020-06-02 | 苏州文武智能装备有限公司 | Automatic spring clamping fixture |
| CN112431869A (en) * | 2021-01-05 | 2021-03-02 | 泉州市力普机械科技有限公司 | Wheel edge pneumatic separation device and control method thereof |
| CN114857349A (en) * | 2022-06-02 | 2022-08-05 | 连云港杰瑞自动化有限公司 | Release mechanism suitable for hose conveying emergency release device |
-
2022
- 2022-10-18 CN CN202211273504.1A patent/CN115352221B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076511U (en) * | 1990-08-04 | 1991-05-08 | 李凤纲 | Sliding device for automobile |
| CN210650300U (en) * | 2019-06-20 | 2020-06-02 | 苏州文武智能装备有限公司 | Automatic spring clamping fixture |
| CN112431869A (en) * | 2021-01-05 | 2021-03-02 | 泉州市力普机械科技有限公司 | Wheel edge pneumatic separation device and control method thereof |
| CN114857349A (en) * | 2022-06-02 | 2022-08-05 | 连云港杰瑞自动化有限公司 | Release mechanism suitable for hose conveying emergency release device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115352221B (en) | 2023-01-24 |
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