CN1325319C - Through type position locking device for vehicle steering mechanism - Google Patents
Through type position locking device for vehicle steering mechanism Download PDFInfo
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- CN1325319C CN1325319C CNB200510039142XA CN200510039142A CN1325319C CN 1325319 C CN1325319 C CN 1325319C CN B200510039142X A CNB200510039142X A CN B200510039142XA CN 200510039142 A CN200510039142 A CN 200510039142A CN 1325319 C CN1325319 C CN 1325319C
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- position locking
- clamp
- locking device
- lock
- bit
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Abstract
The present invention relates to a through type position locking device for vehicle steering mechanisms, which relates to through type position locking device for vehicle steering mechanisms in electromechanical-control steering mechanisms or systems for vehicles. In the position locking device, a cam steering push-pull rod (43) is positioned in middle shaft holes of a concave shell (44) of a position locking device shell and a convex shell (35) of the position locking device shell; a supporting shaft (34) of a compressing clamp is positioned in corresponding shaft holes of the inner end surfaces of the convex shell (35) of the position locking device shell and the concave shell (44) of the position locking device; supporting eyes (54) on a position locking clamp (41), a pressure spring (33) of the compressing clamp, a positioning sleeve pipe (42) of the pressure spring (33), and axial shims (47) of the position locking clamp are respectively sheathed on the supporting shaft (34) of the compressing clamp. The pressure spring (33) of the compressing clamp is positioned between a pair of supporting eyes (54) on the position locking clamp (41); both sides of each supporting eye (54) on the position locking clamp (41) are respectively provided with the axial shim (47); the position locking end surface (55) of the position locking clamp (41) is concentric with an arc of a cam groove (60) in the middle of the cam steering push-pull rod (43).
Description
Technical field
The present invention relates to the through position locking device that vehicle steering mechanism is used in vehicle Electromechanical Control steering hardware or the system, belong to the technical field of the control that the linear motor driving technology combines with mechanical transmission mechanism or system.
Background technology
In the various structures of Vehicular turn, mainly in the current domestic and international Vehicular turn technology adopt following several steering swivel systems or mechanism so that realize turning to of driving vehicle on the general road.
The base model of active steering mechanism has: electric liquid booster type steering swivel system; The motor power-assisted drives steering swivel system, and (tooth bar is installed the motor power-assisted and is driven steering swivel system; Steering gear is installed the motor power-assisted and is driven steering swivel system; The gear motor power-assisted drives steering swivel system).At present this class power-assisted drives the basic characteristics of steering swivel system and is: the power steering type is not that to come driven wheel tooth bar steering hardware by hydraulic pressure be exactly to come driven wheel tooth bar steering hardware to realize turning to by motor acceleration and deceleration gear mechanism.
The base model of servo-actuated (driven) steering hardware has: the steering swivel system of rotating machine acceleration and deceleration mapping device can be found from their unit formation: system constitutes complicated; The ratio of performance to price is not high, and the steering swivel system energy consumption is bigger, and the system works reliability is undesirable etc.
For the contradiction between resolution system performance and the cost, the technical design of the control that the linear motor driving technology of considering green design-calculated developing direction of Mechatronic Systems and characteristics simultaneously and forming combines with mechanical transmission mechanism or system believes that this class technology and product can play certain impetus to vehicle and correlation technique development thereof.Up to the present, integrated application mode or the structure of also in steering swivel system, not using linear motor driving technology and mechanical transmission mechanism or system and active steering control technology to combine.Therefore, the through position locking device of also using with regard to the vehicle steering mechanism that is not specifically designed to linear motor driving.
Summary of the invention
Technical matters: the purpose of this invention is to provide the through position locking device that a kind of vehicle steering mechanism is used, this position locking device cost is lower, reliable operation, and performance is good, and layout is flexible, goes for independent suspension system and dependent suspension vehicle chassis system.
Technical scheme: in the through position locking device that vehicle steering mechanism of the present invention is used, cam turns to pull bar to be arranged in recessed housing of position locking device housing and position locking device housing convex hull body intermediate shaft hole, the casing flange dish is positioned at the left end of position locking device housing convex hull body, butt flange is positioned at the left end that cam turns to pull bar, and fixed link passes the recessed housing of position locking device housing, position locking device housing convex hull body and position locking device housing convex hull body and forms an integral body; Compress the clamp pivot shaft and be arranged in the corresponding axis hole of inner end surface on position locking device housing convex hull body and the recessed housing of position locking device housing, support earhole on the lock-bit clamp and compress clamp pressure spring and locating sleeve thereof, the axial pad of lock-bit clamp all is enclosed within and compresses on the clamp pivot shaft, compress the centre that the clamp pressure spring is positioned at the support earhole on a pair of lock-bit clamp, the both sides of the support earhole on the lock-bit clamp are respectively equipped with an axial pad; The lock-bit end face and the cam of lock-bit clamp turns to the cam groove arc in the middle of the pull bar concentric; The coaxial following fixed installation axis hole that is arranged in position locking device housing convex hull body and the recessed housing of position locking device housing of electromagnetic valve bearing and cam clamp pull bar, balance spring, preloading spring positioning seat and predetermincd tension trimming screw, one end of cam clamp pull bar is arranged in the hole of electromagnetic valve bearing, the other end contacts with balance spring, hole end surface offsets in the other end of balance spring and the preloading spring positioning seat, and the other end of preloading spring positioning seat contacts with trimming screw.The lock-bit clamp are the clamp of a semicircular in shape, are provided with the support earhole in lock-bit clamp upper end, and the middle part in the semi arch of lock-bit clamp is lock-bit clamp lower surface 56 for the clamp lock-bit end face 55 of flat or specific cambered surface in lock-bit clamp lower end.Cam turns to the diameter of pull bar middle-end bigger than two ends, two sides, the middle part symmetry of middle-end be provided with cam groove.
When position locking device does not power up, cam on the clamp pull bar in the actuating mechanism does not contact with lock-bit clamp lower surface under the effect of balance spring, like this, cam turns to the groove of pull bar clamp constraint of the lock bit also can not retrain, and this depends on the relative position of groove and clamp.When returning to the straight-line travelling position under the effect of institute's bonded assembly steered wheel in aligning torque, design guarantees that groove that this time, cam turned to pull bar just in time contacts with the curved surfaces of lock-bit clamp, thereby but guarantees to make the original steered wheel at high speed of controlling become non-steered wheel under position locking device outage or the control command.
In the time of system's normal operation, position locking device powers up, electromagnetic valve wherein produces thrust, under this thrust and the combined action of balance spring thrust, cam turns to the cam outer face on the pull bar to be in and the discontiguous state of lock-bit shift fork circular arc inside face, thereby make the lock-bit clamp not to turning to pull bar to produce the spacing effect of lock-bit, turn to pull bar under linear motor driving, can come horizontal straight line to move by the job requirement of set operation characteristic like this.
Description of drawings
Fig. 1 is the through position locking device explosive effect scheme drawing that vehicle steering mechanism of the present invention is used.
Have among the above figure: clamp nut 29; Locking reed 30; Position locking device shell fixed link 31; Fixed link sleeve pipe 32; Compress clamp pressure spring 33; Compress clamp pivot shaft 34; Position locking device convex hull body 35; Casing flange dish 36; Casing flange 37; Predetermincd tension trimming screw 38; Balance spring 39; Cam clamp pull bar 40; Lock-bit clamp 41; Locating sleeve 42; Cam turns to pull bar 43; The recessed housing 44 of position locking device; Bearing flange seat 45; Preloading spring positioning seat 46; The axial pad 47 of lock-bit clamp; Electromagnetic valve bearing 48.
Fig. 2 is the outside drawing of the through position locking device used of vehicle steering mechanism of the present invention.
Fig. 3 is the through position locking device assembling effect scheme drawing that vehicle steering mechanism of the present invention is used.
Fig. 4 be among Fig. 2 H-H to cutaway view (power down is the lock-bit state).
Fig. 5 be among Fig. 2 G-G to cutaway view (power down is the lock-bit state).
Fig. 6 is the structural representation of lock-bit clamp 41.Have among the figure: support earhole 54, lock-bit end face 55, lock-bit clamp lower surface 56.
Fig. 7 cam turns to the structural representation of pull bar 43.Have among the figure: wheel groove 60.
The specific embodiment
This position locking device is made up of three functional units, that is: locking mechanism, lock-bit actuating mechanism and position locking device housing.
Locking mechanism:
Locking mechanism is made up of clamp pivot shaft 34, axial pad 47, holddown spring 33, lock-bit clamp 41, locating sleeve 42, wherein holddown spring 33 is coaxial with the earrings of lock-bit clamp 41, and be positioned to compress and be on the clamp pivot shaft 34 in the middle of two lock-bit clamp 41, the holddown spring two ends produce the closed impaction effect to compressing clamp.Locating sleeve 42 makes the lock-bit clamp that definite axial location be arranged.Axially pad 47 makes lock-bit clamp end face and housing inner end surface be separated, thereby makes that the working resistance that compresses clamp is less.
The lock-bit actuating mechanism:
The lock-bit actuating mechanism is made up of pretension trimming screw 38, spring washer 46, balance spring 39, cam clamp pull bar 40, electromagnetic valve bearing 48: pretension trimming screw 38, spring washer 46, balance spring 39, cam clamp pull bar 40, electromagnetic valve bearing 48, be arranged in the corresponding axis hole of position locking device housing lower end, pretension trimming screw 38 balances spring 39 by spring washer 46 and produces axial pressing forces.Cam clamp pull bar one end is arranged in the electromagnetic valve axis hole, and an other end and balance spring contact.
The position locking device housing:
The position locking device housing: the lock-bit housing is bolted to connection with the tubular mounting bracket by the flange 36 of an end.Cam turns to pull bar one end to form the divertical motion relation by wheel steering pull bar and steered wheel.
When other component units states of steering swivel system are normal, through position locking device is under the control of control command, turn to pull bar not produce the lock-bit function to straight-line cam therein, when other unit of system have under fault and the control in control command, when turning to the slippage of pull bar straight line when making left and right sides steered wheel be in the straight-line travelling state, the steered wheel of homonymy is become non-steered wheel, after the system failure is got rid of, under the control of corresponding control command, position locking device does not play the lock-bit function, thereby guarantees that the recovery of homonymy steered wheel can the normal direction of rotation function.
The assurance system is (power down or dead electricity) when catastrophic failure is arranged, and steered wheel becomes non-steering state.By the non-electriferous state of linear drive motor can be under axial force promotes axostylus axostyle can bidirectional-movement realize that its extraneous thrust comes from and turns to the aligning torque of rolling wheel to provide., turn to be rigidly connected by releasing to guarantee under the effect of aligning torque, to make that steered wheel becomes non-steering state because other non-electric factor malfunction the time when drive motor.
Concrete structure is:
In this position locking device, cam turns to pull bar 43 to be arranged in recessed housing 44 of position locking device housing and position locking device housing convex hull body 35 intermediate shaft holes, casing flange dish 36 is positioned at the left end of position locking device housing convex hull body 35, butt flange 37 is positioned at the left end that cam turns to pull bar 43, and fixed link 31 passes the recessed housing 44 of position locking device housing, position locking device housing convex hull body 35 forms an integral body; Compress clamp pivot shaft 34 and be arranged in the corresponding axis hole of inner end surface on position locking device housing convex hull body 35 and the recessed housing 44 of position locking device housing, support earhole 54 on the lock-bit clamp 41 and compress clamp pressure spring 33 and locating sleeve 42, the axial pad 47 of lock-bit clamp all are enclosed within and compress on the clamp pivot shaft 34, compress the centre that clamp pressure spring 33 is positioned at the support earhole 54 on a pair of lock-bit clamp 41, the both sides of the support earhole 54 on lock-bit clamp 41 are respectively equipped with an axial pad 47; The lock-bit end face 55 and the cam of lock-bit clamp 41 turns to the cam groove arc 60 in the middle of the pull bar 43 concentric; Electromagnetic valve bearing 48 and cam clamp pull bar 40, balance spring 39, preloading spring positioning seat 46 and the predetermincd tension trimming screw 38 coaxial following fixed installation axis holes that are arranged in position locking device housing convex hull body 35 and the recessed housing 44 of position locking device housing, one end of cam clamp pull bar 40 is arranged in the hole of electromagnetic valve bearing 48, the other end contacts with balance spring 39, hole end surface offsets in the other end of balance spring 39 and the preloading spring positioning seat 46, and the other end of preloading spring positioning seat 46 contacts with trimming screw 38.Lock-bit clamp 41 are the clamp of a semicircular in shape, are provided with in lock-bit clamp 41 upper ends to support earhole 54, and the middle part in the semi arch of lock-bit clamp 41 is lock-bit clamp lower surface 56 for the clamp lock-bit end face 55 of flat specific cambered surface in lock-bit clamp 41 lower ends.Cam turns to the diameter of pull bar 43 middle-ends bigger than two ends, two sides, the middle part symmetry of middle-end be provided with cam groove 60.
Claims (3)
1, the through position locking device used of a kind of vehicle steering mechanism, it is characterized in that in this position locking device, cam turns to pull bar (43) to be arranged in recessed housing of position locking device housing (44) and position locking device housing convex hull body (35) intermediate shaft hole, casing flange dish (36) is positioned at the left end of position locking device housing convex hull body (35), butt flange (37) is positioned at the left end that cam turns to pull bar (43), and fixed link (31) passes the recessed housing of position locking device housing (44), position locking device housing convex hull body (35) forms an integral body; Compress clamp pivot shaft (34) and be arranged in position locking device housing convex hull body (35) and the corresponding axis hole of the last inner end surface of the recessed housing of position locking device housing (44), support earhole (54) on the lock-bit clamp (41) and compress clamp pressure spring (33) and locating sleeve (42), the axial pad of lock-bit clamp (47) all are enclosed within and compress on the clamp pivot shaft (34), compress the centre that clamp pressure spring (33) is positioned at the support earhole (54) on a pair of lock-bit clamp (41), the both sides of the support earhole (54) on lock-bit clamp (41) are respectively equipped with an axial pad (47); The lock-bit end face (55) and the cam of lock-bit clamp (41) turns to cam groove (60) arc in the middle of the pull bar (43) concentric; Electromagnetic valve bearing (48) and cam clamp pull bar (40), balance spring (39), the coaxial following fixed installation axis hole that is arranged in position locking device housing convex hull body (35) and the recessed housing of position locking device housing (44) of preloading spring positioning seat (46) and predetermincd tension trimming screw (38), one end of cam clamp pull bar (40) is arranged in the hole of electromagnetic valve bearing (48), the other end contacts with balance spring (39), the other end of balance spring (39) and the interior hole end surface of preloading spring positioning seat (46) offset, and the other end of preloading spring positioning seat (46) contacts with trimming screw (38).
2, the through position locking device used of vehicle steering mechanism according to claim 1, it is characterized in that lock-bit clamp (41) are the clamp of a semicircular in shape, be provided with support earhole (54) in lock-bit clamp (41) upper end, middle part in the semi arch of lock-bit clamp (41) is lock-bit clamp lower surface (56) for the clamp lock-bit end face (55) of flat or specific cambered surface in lock-bit clamp (41) lower end.
3, the through position locking device used of vehicle steering mechanism according to claim 1 is characterized in that cam turns to the diameter of pull bar (43) middle-end bigger than two ends, two sides, the middle part symmetry of middle-end be provided with cam groove (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510039142XA CN1325319C (en) | 2005-04-29 | 2005-04-29 | Through type position locking device for vehicle steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510039142XA CN1325319C (en) | 2005-04-29 | 2005-04-29 | Through type position locking device for vehicle steering mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1686744A CN1686744A (en) | 2005-10-26 |
| CN1325319C true CN1325319C (en) | 2007-07-11 |
Family
ID=35304786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510039142XA Expired - Fee Related CN1325319C (en) | 2005-04-29 | 2005-04-29 | Through type position locking device for vehicle steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1325319C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184714B (en) * | 2015-04-29 | 2018-07-24 | 陕西飞机工业（集团）有限公司 | A kind of load of aircraft control surface and drift angle limits device |
| CN114313000B (en) * | 2020-09-30 | 2023-05-09 | 比亚迪股份有限公司 | Pull rod continuous breaking device, inner pull rod, pull rod assembly, steering gear, steering system and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6086074A (en) * | 1995-11-15 | 2000-07-11 | Oshkosh Truck Corporation | Steering lock system |
| US6460427B1 (en) * | 2002-01-28 | 2002-10-08 | Ford Global Technologies, Inc. | Adjustment linkage for tilting and telescoping a steering column assembly |
| CN1485235A (en) * | 2002-07-30 | 2004-03-31 | �����Զ�����ʽ���� | Vehicle steering apparatus |
| CN1535226A (en) * | 2001-04-14 | 2004-10-06 | Zf操作系统有限公司 | Actuating device for vehicle steering system |
-
2005
- 2005-04-29 CN CNB200510039142XA patent/CN1325319C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6086074A (en) * | 1995-11-15 | 2000-07-11 | Oshkosh Truck Corporation | Steering lock system |
| CN1535226A (en) * | 2001-04-14 | 2004-10-06 | Zf操作系统有限公司 | Actuating device for vehicle steering system |
| US6460427B1 (en) * | 2002-01-28 | 2002-10-08 | Ford Global Technologies, Inc. | Adjustment linkage for tilting and telescoping a steering column assembly |
| CN1485235A (en) * | 2002-07-30 | 2004-03-31 | �����Զ�����ʽ���� | Vehicle steering apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1686744A (en) | 2005-10-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20070711 Termination date: 20100429 |