CN215245098U - Electric control and hydraulic butt joint structure of electric control hydraulic steering engine - Google Patents
Electric control and hydraulic butt joint structure of electric control hydraulic steering engine Download PDFInfo
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- CN215245098U CN215245098U CN202121740527.XU CN202121740527U CN215245098U CN 215245098 U CN215245098 U CN 215245098U CN 202121740527 U CN202121740527 U CN 202121740527U CN 215245098 U CN215245098 U CN 215245098U
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- end cover
- steering gear
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- 210000001503 joint Anatomy 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 7
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model provides an electric control and hydraulic butt joint structure of an electric control hydraulic steering gear, which relates to the technical field of the electric control hydraulic steering gear and solves the problem that the existing pure hydraulic steering gear can not meet the intelligent requirements of vehicles after new energy vehicles appear, such as unmanned driving, automatic parking and other functions; including hydraulic steering gear lock seal upper end cover, the main part of hydraulic steering gear lock seal upper end cover is the ring structural design, the utility model discloses in, radial positioning realizes through respective electronic control part lower extreme cover of shell spare and hydraulic steering gear lock seal upper end cover between electronic control part and the hydraulic steering gear, has improved assembly precision and assembly reliability, and electronic control part's spline housing and hydraulic steering gear's integral key shaft radial positioning precision obtain the guarantee, and it is because two spline disalignments to reduce the hydraulic steering gear integral key shaft, and warp influences, causes hydraulic steering gear eccentric wear to and let out hydraulic oil leakage.
Description
Technical Field
The utility model belongs to the technical field of automatically controlled hydraulic steering machine, more specifically say, in particular to automatically controlled and hydraulic pressure butt joint structure of automatically controlled hydraulic steering machine.
Background
At present, vehicles of more than 5T and 8T, such as commercial vehicles (tractors, trucks and special vehicles), passenger cars and the like, mainly use hydraulic steering power assistance, and pump out hydraulic oil of a power steering oil can at a certain pressure by starting a power steering oil pump to serve as an auxiliary power source of a hydraulic steering machine, so that the shortage of manpower-driven steering force is avoided, the physical consumption of a driver is reduced, the operation fatigue of the driver is reduced, and even the driver is prevented from steering by turning a fixed steering wheel;
the existing electric control hydraulic steering engine has the following problems in practical application:
1. after a new energy vehicle appears, the existing pure hydraulic steering engine cannot meet the intelligent requirements of the vehicle, such as unmanned driving, automatic parking and other functions, and the original hydraulic steering power-assisted force cannot meet the requirements.
2. The existing hydraulic steering engine has higher requirement on steering portability due to the requirement on comfort of a driver, and the original hydraulic steering can not be completely met or can not meet the requirement.
3. When a hydraulic power pipeline or an oil pump fails accidentally, the hydraulic power-assisted effect of the hydraulic steering engine is lost, and the electric control device can also provide electric power-assisted steering in a short time, so that the vehicle can drive to danger-avoiding areas such as emergency lanes at a high speed, and larger traffic accidents are avoided.
4. When the tires of the steering axle suddenly burst, the electric control hydraulic steering gear can prevent the front axle from suddenly steering at a high speed, so that the running safety of the vehicle is ensured.
In view of the above, research and improvement are made in view of the existing functions and defects, and an electric control and hydraulic butting structure of an electric control hydraulic steering gear is provided to achieve a more practical purpose.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an automatically controlled and hydraulic pressure butt joint structure of automatically controlled hydraulic pressure steering engine to solve current pure hydraulic pressure steering engine and after new forms of energy vehicle appear, can't satisfy the intelligent demand of vehicle, like functions such as unmanned, automatic parking, moreover because the driver requires the travelling comfort, require higher to turning to the portability, original hydraulic pressure turns to the problem that can not satisfy completely or can not satisfy the requirement.
The utility model relates to an automatically controlled hydraulic steering machine's automatically controlled and hydraulic pressure butt joint structure's purpose and efficiency is reached by following concrete technological means:
an electric control and hydraulic butt joint structure of an electric control hydraulic steering machine comprises an upper end cover which is locked and sealed by the hydraulic steering machine;
the main body of the hydraulic steering engine locking seal upper end cover is of an annular structural design, an electric control part lower end cover is further mounted at the top end of the hydraulic steering engine locking seal upper end cover, and an electric control auxiliary device is combined with the hydraulic steering engine and assembled together.
Furthermore, the lower end cover of the electric control part is in contact with the sealing metal contact surface of the hydraulic boss for radial positioning, an output shaft of the electric control part is further arranged on the inner side of the lower end cover of the electric control part, the lower end cover of the electric control part is coaxial with the output shaft of the electric control part, an input shaft of the hydraulic steering gear is coaxial with the locking sealing upper end cover of the hydraulic steering gear, the locking sealing upper end cover of the hydraulic steering gear is coaxial with the electric control lower end cover through radial coaxial butt joint of the sealing surface of the outer shell, and the spline hole output shaft of the electric control part is coaxial with the spline input shaft of the hydraulic steering gear.
Furthermore, the output shaft of the electric control part is arranged at the inner side position of the butt joint sealing surface of the locking sealing upper end cover of the hydraulic steering engine and is sleeved at the outer side position of the input shaft of the hydraulic steering engine, and the spline is in butt joint.
Furthermore, the input shaft of the hydraulic steering gear is positioned at the inner side of a locking and sealing upper end cover of the hydraulic steering gear and the inner side of a lower end cover of the electric control part, and a sealing ring is arranged between the inner side of the lower end cover of the electric control part and a protruding boss of the hydraulic steering gear.
Furthermore, the sealing ring is designed to be of an annular structure, the sealing groove is designed on a protruding boss of the hydraulic steering engine, and a hydraulic steering engine connecting end cover is further arranged on the lower side of the sealing ring.
Furthermore, four boss columns extend out of the outer side of the hydraulic steering engine connecting end cover to support the electric control steering gear, the axial end face of the top of each boss column is used as a butt joint axial positioning face, radial positioning is achieved through the connecting end cover of the transmission hydraulic steering gear, a boss extends out, an O-shaped sealing ring groove is formed in the outer side of the boss, and the radial protruding portion of the sealing ring is used as a radial matching positioning cylindrical face.
Furthermore, the main shell of the electric control part is sleeved at the outer side of the lower end cover of the electric control part, and a long bolt is further installed in the axial direction of the main shell of the electric control part.
Furthermore, the long bolts are fixed on the electric control part and the hydraulic steering engine part, are oppositely arranged at the outer side of the main shell of the electric control part, and are matched with the inner threads of the boss columns extending from the outer side of the connecting end cover of the hydraulic steering engine.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the radial positioning between the electric control part and the hydraulic steering engine is realized by locking and sealing the upper end cover through the lower end cover of the electric control part and the hydraulic steering engine of the respective shell part, so that the assembling precision, the assembling reliability and the consistency are improved, the radial positioning precision of the spline sleeve of the electric control part and the spline shaft of the hydraulic steering engine is guaranteed, and the eccentric wear of the rotary valve of the hydraulic steering engine and the leakage of hydraulic oil caused by the warping deformation influence of the spline shaft of the hydraulic steering engine due to the fact that the two splines are not coaxial are reduced.
2. The axial positioning between the electric control part and the hydraulic steering engine is realized through a long bolt and a boss support column of a hydraulic steering engine connecting end cover, and the supporting and fixing rigidity and the fastening degree are enough.
3. The hydraulic steering engine is locked to seal the axial maintaining gap between the upper end cover and the lower end cover of the electric control part.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the assembly structure of the present invention.
Fig. 2 is a schematic structural diagram of the butt joint of the electric control part and the hydraulic part of the present invention.
Fig. 3 is a schematic structural diagram of the butt joint of the hydraulic part and the electric control part of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. the hydraulic steering engine is locked and sealed with the upper end cover; 2. the lower end cover of the electric control part; 3. an output shaft of the electric control part; 4. a hydraulic steering gear input shaft; 5. a seal ring; 6. the hydraulic steering engine is connected with an end cover; 7. an electric control part main shell; 8. a long bolt;
a1 radial seal face (inside diameter) of end cap 2;
a2 axial positioning plane of hydraulic steering gear, axial installation plane of electric control part;
a3 hydraulic steering gear locks the radial positioning surface of the upper end cover 1 (external diameter) and the lower end cover 2 of the electric control part.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 3:
the utility model provides an electric control and hydraulic butt joint structure of an electric control hydraulic steering gear, which comprises a hydraulic steering gear locking and sealing upper end cover 1;
the main body of the hydraulic steering engine locking seal upper end cover 1 is designed into an annular structure, the top end of the hydraulic steering engine locking seal upper end cover 1 is also provided with an electric control part lower end cover 2, and an electric control auxiliary device is combined with the hydraulic steering engine and assembled together; the radial positioning between the electric control part and the hydraulic steering engine is realized by locking and sealing the upper end cover 1 through the lower end cover 2 of the electric control part of the respective shell part and the hydraulic steering engine, so that the assembly precision and the assembly reliability are improved, the radial positioning precision of the spline sleeve of the electric control part and the spline shaft of the hydraulic steering engine is guaranteed, and the phenomena that the hydraulic steering engine is eccentric and worn and hydraulic oil leaks due to the fact that the two splines of the spline shaft of the hydraulic steering engine are not coaxial and are warped and deformed are reduced.
The lower end cover 2 of the electric control part is in contact with the sealing metal contact surface of the hydraulic boss for radial positioning, the inner side of the lower end cover 2 of the electric control part is further provided with an output shaft 3 of the electric control part, and the lower end cover 2 of the electric control part is coaxial with the output shaft 3 of the electric control part, so that the assembly precision is guaranteed.
The output shaft 3 of the electric control part is arranged at the inner side of the butt sealing surface of the locking sealing upper end cover 1 of the hydraulic steering engine and is sleeved at the outer side of the input shaft 4 of the hydraulic steering engine, and the splines are in butt joint.
Wherein, sealing washer 5 is the annular structure design, and the downside of sealing washer 5 still is provided with hydraulic steering engine connection end cover 6, and sealing washer 5 is in hydraulic steering engine locking seal upper end cover 1 annular seal groove, and hydraulic steering engine locking seal upper end cover 1 installs in hydraulic steering engine connection end cover 6.
The long bolts 8 are fixed on the electric control part and the hydraulic steering engine part, are oppositely arranged at the outer side of the main shell 7 of the electric control part, and are matched with the inner threads of the four boss columns extending out of the outer side of the connecting end cover 6 of the hydraulic steering engine.
Wherein, the hydraulic steering engine connects the end cover 6 outside and extends four boss posts, support the automatically controlled steering gear, the axial end of boss post top is regarded as the butt joint axial locating surface; the radial positioning is a connecting end cover for driving the hydraulic steering gear, a boss extends out of the center of the connecting end cover, an O-shaped sealing ring 5 groove is arranged on the outer side of the boss, and the radial protruding part of the sealing groove is used as a radial matching positioning cylindrical surface.
The specific use mode and function of the embodiment are as follows:
when the device is used, firstly, the outer diameter A3 cylindrical surface of the upper end cover 1 and the inner diameter A1 cylindrical surface of the lower end cover 2 of the electric control part are locked and sealed by the hydraulic steering gear to realize the precise small-clearance fit radial positioning of the electric control part, thereby ensuring the accuracy and precision of the spline fit assembly of the output shaft 3 (spline housing) of the electric control part and the input 4 (spline shaft) of the hydraulic steering gear and the consistency of products, and avoiding the problems that the sealing at the back of the spline shaft of the hydraulic steering gear is influenced by the warping caused by the non-concentricity of the spline housing and the spline shaft; the electric control part and the hydraulic steering engine are matched through splines of an output shaft 3 and an input shaft 4 to transmit a driver and/or an electric control input torque to control the hydraulic steering engine to work; the cylindrical surface of the outer diameter A3 of the upper end cover 1 of the hydraulic steering gear locked and sealed and the hydraulic steering gear have good radial positioning coaxiality, and the inner diameter A1 of the lower end cover 2 of the electric control part and the electric control part assembly can have good radial positioning coaxiality.
The upper end cover 1 of the hydraulic steering gear locking seal is provided with a mounting groove of a seal ring 5 for mounting the seal ring 5, and a metal part at the top end of the seal groove is used for radial assembly positioning. The sealing ring 5 and the inner diameter A1 of the lower end cover 2 of the electric control part form a finished sealing surface to achieve the purpose of sealing;
the main shell 7 of the electric control part and the connecting end cover 6 of the hydraulic steering gear are fixed together by 4 long bolts 8 and an axial positioning plane A2 of the connecting end cover 6 of the hydraulic steering gear, namely, the hydraulic steering gear and the electric control part are connected and fastened together;
the hydraulic steering engine connecting end cover 6 extends out of 4 raised supporting columns, and internal threads are formed in the supporting columns and used for fixing the long bolts 8.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides an automatically controlled and hydraulic pressure butt joint structure of automatically controlled hydraulic steering machine which characterized in that: comprises a hydraulic steering gear locking and sealing upper end cover;
the main body of the hydraulic steering engine locking sealing upper end cover is of an annular structural design, an electric control part lower end cover is further mounted at the top end of the hydraulic steering engine input shaft locking sealing upper end cover, and an electric control auxiliary device is combined with the hydraulic steering engine and assembled together.
2. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 1, characterized in that: the lower end cover of the electric control part is in contact with the sealing metal contact surface of the hydraulic boss for radial positioning, the inner side of the lower end cover of the electric control part is also provided with an output shaft of the electric control part, the lower end cover of the electric control part is coaxial with the output shaft of the electric control part, an input shaft of a hydraulic steering gear is coaxial with the locking sealing upper end cover of the hydraulic steering gear, the locking sealing upper end cover of the hydraulic steering gear is coaxial with the electric control lower end cover through radial coaxial butt joint of the sealing surface of the outer shell, and the spline hole output shaft of the electric control part is coaxial with the spline input shaft of the hydraulic steering gear.
3. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 2, characterized in that: the output shaft of the electric control part is arranged at the inner side position of a butt sealing surface of a locking upper end cover of the hydraulic steering engine and is sleeved at the outer side position of the input shaft of the hydraulic steering engine, and splines are in butt joint.
4. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 3, characterized in that: the hydraulic steering engine input shaft is positioned at the inner side of the upper end cover and the lower end cover of the electric control part which are locked and sealed by the hydraulic steering engine, and a sealing ring is arranged between the inner side of the lower end cover of the electric control part and the extending boss of the hydraulic steering engine.
5. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 4, characterized in that: the sealing ring is designed to be of an annular structure, the sealing groove is designed on the extending boss of the hydraulic steering engine, and the lower side of the sealing ring is further provided with a hydraulic steering engine connecting end cover.
6. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 5, characterized in that: the hydraulic steering engine is characterized in that four boss columns extend out of the outer side of the connecting end cover of the hydraulic steering engine to support the electric control steering gear, the axial end face of the top of each boss column is used as a butt joint axial positioning face, the radial positioning is the connecting end cover of the transmission hydraulic steering gear, a boss extends out, an O-shaped sealing ring groove is formed in the outer side of the boss, and the radial protruding part of the sealing ring is used as a radial matching positioning cylindrical face.
7. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 6, characterized in that: the main shell of the electric control part is sleeved at the outer side of the lower end cover of the electric control part, and a long bolt is further mounted in the axial direction of the main shell of the electric control part.
8. An electric control and hydraulic pressure docking structure of an electric control hydraulic steering gear according to claim 7, characterized in that: the long bolts are fixed on the electric control part and the hydraulic steering engine part, are oppositely arranged at the outer side of the main shell of the electric control part, and are matched with the inner threads of the boss columns extending from the outer side of the connecting end cover of the hydraulic steering engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740527.XU CN215245098U (en) | 2021-07-29 | 2021-07-29 | Electric control and hydraulic butt joint structure of electric control hydraulic steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740527.XU CN215245098U (en) | 2021-07-29 | 2021-07-29 | Electric control and hydraulic butt joint structure of electric control hydraulic steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215245098U true CN215245098U (en) | 2021-12-21 |
Family
ID=79495500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121740527.XU Expired - Fee Related CN215245098U (en) | 2021-07-29 | 2021-07-29 | Electric control and hydraulic butt joint structure of electric control hydraulic steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215245098U (en) |
-
2021
- 2021-07-29 CN CN202121740527.XU patent/CN215245098U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |