CN108382453A - Tubing string servo steering system noise absorber and installation method - Google Patents
Tubing string servo steering system noise absorber and installation method Download PDFInfo
- Publication number
- CN108382453A CN108382453A CN201810177779.2A CN201810177779A CN108382453A CN 108382453 A CN108382453 A CN 108382453A CN 201810177779 A CN201810177779 A CN 201810177779A CN 108382453 A CN108382453 A CN 108382453A
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- CN
- China
- Prior art keywords
- spring bearing
- output shaft
- steering system
- tubing string
- shell
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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
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/02—Power-assisted or power-driven steering mechanical, e.g. using a power-take-off mechanism for taking power from a rotating shaft of the vehicle and applying it to the steering gear
Abstract
The present invention relates to a kind of tubing string servo steering system noise absorber and installation methods, tubing string servo steering system noise absorber includes shell, booster output shaft and the turbine disk, booster output shaft is installed to by the first spring bearing and the second spring bearing on shell, first spring bearing is interference fitted with shell, second spring bearing is interference fitted with shell, first spring bearing is located inside, and the second spring bearing is located at outside；The turbine disk is located at the inside of the first spring bearing, and the turbine disk is mounted on booster output shaft and is interference fitted with booster output shaft.A kind of installation method of tubing string servo steering system noise absorber, including tubing string servo steering system noise absorber, after installing all parts, torque is detected by torque sensor, when torque is unsatisfactory for requiring, and torque is adjusted, until torque is met the requirements.The present invention has reduced or eliminated noise, improves the driving experience of driver.
Description
Technical field
The present invention relates to a kind of tubing string servo steering system noise absorber and installation methods.
Background technology
With the continuous improvement of automotive performance, requirement of the car terminals user to vehicle NVH is higher and higher, power-assisted steering pipe
Column is located at cabin interior, and close to driver, in vehicle operation, the steering operation of driver makes tubing string be in frequent
In relative motion.
Automobile pipe column servo steering system boosting mechanism uses worm screw turbine disc structure, turbine disk interference to be fitted in booster
On, it turns to shell and is fixed on vehicle, booster on shell, due to the limitation of assembly technology, is supported by 2 bearing supports
Bearing and housing design are for clearance fit；Meanwhile it in order to ensure booster spin friction torque within limits, helping
Power device and spring bearing need repeated measurement booster end-play in axial locking so that clearance ensures in the micron-scale
Within the scope of.
As the main steering booster for transmitting load, the impact when impact on road surface and driver are commutated is applied to
On booster, the impact that booster is subject to drives 2 spring bearing vibrations and shell mutually to hit, and generates abnormal sound, influences to drive
The driving experience of member.
Invention content
The technical problem to be solved by the present invention is to：A kind of tubing string servo steering system noise absorber and installation side are provided
Method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of tubing string servo steering system noise absorber, including：
Shell is mounted on automobile；
Booster output shaft is installed to by the first spring bearing and the second spring bearing on shell, first support
Bearing is interference fitted with shell, and second spring bearing is interference fitted with shell, and first spring bearing is located inside, the
Two spring bearings are located at outside；
The turbine disk is located at the inside of the first spring bearing, and the turbine disk is mounted on booster output shaft and and power-assisted
Device output shaft is interference fitted.
Preferably, first spring bearing and the second spring bearing are mounted on the same side of the turbine disk.
Preferably, the first spring bearing is interference fitted with booster output shaft.
Preferably, the second spring bearing coordinates with booster output shaft clearance.
Preferably, it is provided with screw thread on the booster output shaft on the outside of the second spring bearing；Lock is installed on the screw thread
Tight nut.
Preferably, the outboard end of the locking nut and the intersection of booster output shaft are provided with mechanical riveting point.
Preferably, inclined-plane clamp spring is installed on the booster output shaft on the outside of the second spring bearing.
Preferably, the first spring bearing and the second spring bearing are all interference fitted with booster output shaft.
Preferably, first spring bearing and the second spring bearing are separately mounted to the both sides of the turbine disk.
The advantages of tubing string servo steering system noise absorber of the present invention, is：Relative to existing spring bearing with
Body clearance coordinates, and the first spring bearing of tubing string servo steering system noise absorber of the invention is matched with shell interference
It closes, the second spring bearing is interference fitted with shell, has been reduced or eliminated noise, has been improved the driving experience of driver.
A kind of installation method of tubing string servo steering system noise absorber, including tubing string servo steering system as above
Noise absorber, installation steps are as follows：1) shell is mounted on automobile；2) turbine disk is mounted on booster output shaft
And it is interference fitted with booster output shaft；3) booster output shaft is installed to by the first spring bearing and the second spring bearing
On shell, and first spring bearing is interference fitted with shell, second spring bearing is interference fitted with shell, institute
It states the first spring bearing and is located inside, the second spring bearing is located at outside；4) torque is detected by torque sensor, works as torque
When being unsatisfactory for requiring, and torque is adjusted, until torque is met the requirements.
The advantages of installation method of the tubing string servo steering system noise absorber of the present invention, is：Relative to existing
Spring bearing coordinates with body clearance, the first spring bearing and shell of tubing string servo steering system noise absorber of the invention
Body is interference fitted, and the second spring bearing is interference fitted with shell, has been reduced or eliminated noise, has been improved the driving body of driver
It tests.
Description of the drawings
Fig. 1 is the structural schematic diagram of tubing string servo steering system noise absorber of the embodiment of the present invention.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific implementation mode be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of violating intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
A kind of tubing string servo steering system noise absorber
Embodiment 1
As shown in Figure 1, a kind of tubing string servo steering system noise absorber, including shell 3, booster output shaft 1, whirlpool
Wheel disc 2, shell 3 are mounted on automobile；Booster output shaft 1 is installed to shell by the first spring bearing 4 and the second spring bearing 6
On body 3, the first spring bearing 4 is interference fitted with shell 3, and the second spring bearing 6 is interference fitted with shell 3, the first spring bearing 4
Positioned inside, the second spring bearing 6 is located at outside；The turbine disk 2 is located at the inside of the first spring bearing 4, and the turbine disk 2 is mounted on and helps
It is interference fitted on power device output shaft 1 and with booster output shaft 1.
Coordinate relative to existing spring bearing and body clearance, the tubing string servo steering system noise of the present embodiment is eliminated
The first spring bearing 4 and the shell 3 of device are interference fitted, and the second spring bearing 6 is interference fitted with shell 3, is reduced or eliminated
Noise improves the driving experience of driver.
First spring bearing 4 and the second spring bearing 6 are mounted on the same side of the turbine disk 2.First spring bearing 4 and power-assisted
Device output shaft 1 is interference fitted.Second spring bearing 6 and 1 clearance fit of booster output shaft.First spring bearing 4 and booster
Output shaft 1 is interference fitted, and the second spring bearing 6 and the benefit of 1 clearance fit of booster output shaft are to facilitate booster and shell 3
Assembly.It is provided with screw thread on the booster output shaft 1 in 6 outside of the second spring bearing；Locking nut 5 is installed on screw thread.Lock
The intersection of the outboard end and booster output shaft 1 of tight nut 5 is provided with mechanical riveting point 7.Mechanical riveting point 7 is used for locking nut
5 progress are locking.Axial pretightning force is generated to bearing by applying torque to locking nut 5, axial pre tightening force is used for disappearing
Except the gap of bearing axial direction.
Embodiment 2
A kind of tubing string servo steering system noise absorber, including shell, booster output shaft and the turbine disk, shell peace
On automobile；Booster output shaft is installed to by the first spring bearing and the second spring bearing on shell, the first support shaft
It holds and is interference fitted with shell, the second spring bearing is interference fitted with shell, and the first spring bearing is located inside, the second spring bearing
Positioned at outside；The turbine disk is located at the inside of the first spring bearing, and the turbine disk is mounted on booster output shaft and defeated with booster
Shaft is interference fitted.
Coordinate relative to existing spring bearing and body clearance, tubing string servo steering system noise of the invention eliminates dress
The first spring bearing set is interference fitted with shell, and the second spring bearing is interference fitted with shell, has been reduced or eliminated noise, has been carried
The high driving experience of driver.
First spring bearing and the second spring bearing are mounted on the same side of the turbine disk.First spring bearing and booster are defeated
Shaft is interference fitted.Second spring bearing coordinates with booster output shaft clearance.First spring bearing and booster output shaft mistake
It is full of cooperation, the second spring bearing and the benefit of booster output shaft clearance cooperation are to facilitate the assembly of booster and shell.Second
Inclined-plane clamp spring is installed on booster output shaft on the outside of spring bearing.Inclined-plane clamp spring can automatic preloaded bearing, bearing pre-tightened
Eliminate bearing axial clearance automatically afterwards.
Embodiment 3
A kind of tubing string servo steering system noise absorber, including shell, booster output shaft and the turbine disk, shell peace
On automobile；Booster output shaft is installed to by the first spring bearing and the second spring bearing on shell, the first support shaft
It holds and is interference fitted with shell, the second spring bearing is interference fitted with shell, and the first spring bearing is located inside, the second spring bearing
Positioned at outside；The turbine disk is located at the inside of the first spring bearing, and the turbine disk is mounted on booster output shaft and defeated with booster
Shaft is interference fitted.
Coordinate relative to existing spring bearing and body clearance, tubing string servo steering system noise of the invention eliminates dress
The first spring bearing set is interference fitted with shell, and the second spring bearing is interference fitted with shell, has been reduced or eliminated noise, has been carried
The high driving experience of driver.
First spring bearing and the second spring bearing are mounted on the same side of the turbine disk.First spring bearing and the second support
Bearing is all interference fitted with booster output shaft.The position of interference fit is controlled by pressure curve.
Embodiment 4
A kind of tubing string servo steering system noise absorber, including shell, booster output shaft and the turbine disk, shell peace
On automobile；Booster output shaft is installed to by the first spring bearing and the second spring bearing on shell, the first support shaft
It holds and is interference fitted with shell, the second spring bearing is interference fitted with shell, and the first spring bearing is located inside, the second spring bearing
Positioned at outside；The turbine disk is located at the inside of the first spring bearing, and the turbine disk is mounted on booster output shaft and defeated with booster
Shaft is interference fitted.
Coordinate relative to existing spring bearing and body clearance, tubing string servo steering system noise of the invention eliminates dress
The first spring bearing set is interference fitted with shell, and the second spring bearing is interference fitted with shell, has been reduced or eliminated noise, has been carried
The high driving experience of driver.First spring bearing and the second spring bearing are separately mounted to the both sides of the turbine disk.
A kind of installation method of tubing string servo steering system noise absorber, including tubing string servo steering system as above
Noise absorber, installation steps are as follows：1) shell is mounted on automobile；2) turbine disk is mounted on booster output shaft
And it is interference fitted with booster output shaft；3) booster output shaft is installed to by the first spring bearing and the second spring bearing
On shell, and first spring bearing is interference fitted with shell, second spring bearing is interference fitted with shell, institute
It states the first spring bearing and is located inside, the second spring bearing is located at outside；4) torque is detected by torque sensor, works as torque
When being unsatisfactory for requiring, and torque is adjusted, until torque is met the requirements.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of tubing string servo steering system noise absorber, which is characterized in that including：
Shell (3) is mounted on automobile；
Booster output shaft (1) is installed to by the first spring bearing (4) and the second spring bearing (6) on shell (3), described
First spring bearing (4) and shell (3) are interference fitted, and second spring bearing (6) is interference fitted with shell (3), and described the
One spring bearing (4) is located inside, and the second spring bearing (6) is located at outside；
The turbine disk (2), is located at the inside of the first spring bearing (4), and the turbine disk (2) is mounted on booster output shaft (1)
And it is interference fitted with booster output shaft (1).
2. tubing string servo steering system noise absorber according to claim 1, which is characterized in that first support
Bearing (4) and the second spring bearing (6) are mounted on the same side of the turbine disk (2).
3. tubing string servo steering system noise absorber according to claim 2, which is characterized in that the first spring bearing
(4) it is interference fitted with booster output shaft (1).
4. tubing string servo steering system noise absorber according to claim 3, which is characterized in that the second spring bearing
(6) with booster output shaft (1) clearance fit.
5. tubing string servo steering system noise absorber according to claim 4, which is characterized in that the second spring bearing
(6) screw thread is provided on the booster output shaft (1) on the outside of；Locking nut (5) is installed on the screw thread.
6. tubing string servo steering system noise absorber according to claim 5, which is characterized in that the locking nut
(5) intersection of outboard end and booster output shaft (1) is provided with mechanical riveting point.
7. tubing string servo steering system noise absorber according to claim 4, which is characterized in that the second spring bearing
(6) inclined-plane clamp spring is installed on the booster output shaft (1) on the outside of.
8. tubing string servo steering system noise absorber according to claim 2, which is characterized in that the first spring bearing
(4) it is all interference fitted with booster output shaft (1) with the second spring bearing (6).
9. tubing string servo steering system noise absorber according to claim 1, which is characterized in that first support
Bearing (4) and the second spring bearing (6) are separately mounted to the both sides of the turbine disk (2).
10. a kind of installation method of tubing string servo steering system noise absorber, which is characterized in that including such as claim 1-
9 any one of them tubing string servo steering system noise absorbers, installation steps are as follows：1) shell is mounted on automobile；
2) turbine disk is mounted on booster output shaft and is interference fitted with booster output shaft；3) booster output shaft is passed through
One spring bearing and the second spring bearing are installed on shell, and first spring bearing is interference fitted with shell, institute
It states the second spring bearing to be interference fitted with shell, first spring bearing is located inside, and the second spring bearing is located at outside；4)
Torque is detected by torque sensor, when torque is unsatisfactory for requiring, and adjusts torque, until torque is met the requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177779.2A CN108382453A (en) | 2018-03-05 | 2018-03-05 | Tubing string servo steering system noise absorber and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177779.2A CN108382453A (en) | 2018-03-05 | 2018-03-05 | Tubing string servo steering system noise absorber and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108382453A true CN108382453A (en) | 2018-08-10 |
Family
ID=63069777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810177779.2A Pending CN108382453A (en) | 2018-03-05 | 2018-03-05 | Tubing string servo steering system noise absorber and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108382453A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000318626A (en) * | 1999-05-10 | 2000-11-21 | Nsk Ltd | Electric power steering device |
| CN103124667A (en) * | 2011-09-28 | 2013-05-29 | 日本精工株式会社 | Electric assist device |
| US20170104383A1 (en) * | 2015-10-08 | 2017-04-13 | Denso Corporation | Drive device |
| CN206159363U (en) * | 2016-08-26 | 2017-05-10 | 潍柴动力股份有限公司 | Engine power output structure |
-
2018
- 2018-03-05 CN CN201810177779.2A patent/CN108382453A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000318626A (en) * | 1999-05-10 | 2000-11-21 | Nsk Ltd | Electric power steering device |
| CN103124667A (en) * | 2011-09-28 | 2013-05-29 | 日本精工株式会社 | Electric assist device |
| US20170104383A1 (en) * | 2015-10-08 | 2017-04-13 | Denso Corporation | Drive device |
| CN206159363U (en) * | 2016-08-26 | 2017-05-10 | 潍柴动力股份有限公司 | Engine power output structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180810 |