CN204330362U - A kind of wire-control steering test platform damping analogue means - Google Patents
A kind of wire-control steering test platform damping analogue means Download PDFInfo
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- CN204330362U CN204330362U CN201520015971.3U CN201520015971U CN204330362U CN 204330362 U CN204330362 U CN 204330362U CN 201520015971 U CN201520015971 U CN 201520015971U CN 204330362 U CN204330362 U CN 204330362U
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- steering
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- servo electric
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Abstract
The utility model discloses a kind of novel line traffic control steering test bench damping analogue means, comprise mounting plate, rocker arrangement, damping charger and steering gear coupling arrangement, rocker arrangement comprises a splined shaft and is fixed thereon two rigid swing arm, damping charger is provided with four cursor slide support posts and the mounting platform on it, cursor slide support post is provided with one can freely regulated locking cursor slide, locking cursor slide is fixed with a servo electric jar and it is connected with lower rigid swing arm, servo electric jar leading portion is provided with pull pressure sensor, steering gear coupling arrangement is fixed on mounting platform by U-shaped cover, steering-by-wire device is connected with upper rigid swing arm, damping charger in the utility model can carry out the running fix in limit range, realize the change of load(ing) point, force value adjustment can be loaded with servo electric jar to match, thus real-time steering resisting moment under various working can be simulated, and then can test steering real-time and accurately.
Description
Technical field
The utility model relates to a kind of analogue means, is specifically related to a kind of wire-control steering test platform damping analogue means.
Background technology
Wire-control steering test platform is one correct simulated automotive steering-by-wire action in off-line case, and the emulator that diversion experiments data can be exported, in wire-controlled steering system exploitation, improve and serve vital effect in test.
Automobile steering-by-wire testing table, to the really degree of real vehicle steering-by-wire process simulation, directly affects the reliability of testing table data.Turn to the simulation degree of damping then directly related with the really degree turned to.Therefore turn to the simulation of damping to be the important component part of wire-control steering test bed design, it mainly simulates the aligning torque turned in implementation suffered by tire.
The spring simulated resistance that application number 200820081713.5 adopts one end fixing, aligning torque and the tire corner of which generation are proportional within the specific limits, and in actual steering process, both are in nonlinear relationship, and therefore which exists larger simulation error; Application number 200910066983.8 adopts magnetic powder brake to load surface resistance, thus carries out hardware-in-the-loop test.Which can realize the function of steering drag, but can not be emulated when steering wheel rotating speed is zero, namely belongs to passive loading; Application number 201010191612.5 adopts electrohydraulic system to carry out resistance simulation, and which can realize initiatively loading, but its element required is more, and cost is high, easily reveals.Hydraulic system exports and there is certain hysteresis quality simultaneously, can not meet the requirement of real-time of emulation.
Utility model content
(1) technical matters that will solve
For solving the problem, the utility model proposes for above deficiency and a kind ofly responds the wire-control steering test platform damping analogue means fast, precision is high, this device adopts servo electric jar as loading element, realized the movement of load(ing) point by line slideway, with this, tyre moment in steering-by-wire process is simulated exactly.
(2) technical scheme
Of the present utility modelly to be achieved through the following technical solutions: a kind of wire-control steering test platform damping analogue means, comprise mounting plate, rocker arrangement, damping charger and steering gear coupling arrangement, described rocker arrangement comprises four short support posts be secured by bolts on mounting plate, lower connecting plate is provided with above described short support post, described lower connecting plate lower center position is provided with a photoelectric encoder, a splined shaft is connected with by key in the middle of described photoelectric encoder, described splined shaft axostylus axostyle is respectively arranged with rigid swing arm and lower rigid swing arm up and down, described lower connecting plate top is connected to upper junction plate by long support column, described lower connecting plate and upper junction plate middle position are provided with the bearing flange for fixing splined shaft, described damping charger comprises four and is secured by bolts in the cursor slide support post on mounting plate and is mounted on the mounting platform at described cursor slide support post top, two cursor slide support posts at described same plane place are arranged with a locking cursor slide, described locking cursor slide, a slide block guide rail is provided with in the middle of upper rigid swing arm and lower rigid swing arm, a servo electric jar is provided with between slide block guide rail slide block on described locking cursor slide and lower rigid swing arm, described servo electric jar front end push rod is also provided with a pull pressure sensor, described steering gear coupling arrangement comprises a steering-by-wire device, described steering-by-wire device is fixed on mounting platform top by U-shaped cover setting, described steering-by-wire device front end is connected on the slide block of upper rigid swing arm place slide block guide rail by web member.
Improve as one, described servo electric jar is connected by an output sleeve with pull pressure sensor, and described output sleeve is threaded with servo electric jar front end push rod and junction is provided with setting nut.
As further improvement, described upper rigid swing arm and lower rigid swing arm are locked on splined shaft by the lock-screw being arranged at side.
As further improvement, described locking cursor slide both sides are provided with two column trepannings, have holding screw hole in the arranged outside of described column trepanning, be right against holding screw hole place be provided with fastening compressing tablet at the inwall of described column trepanning.
(3) beneficial effect
The utility model has following beneficial effect:
(1) the damping charger in the utility model and adopt horizontally disposed up and down between steering-by-wire device, can make full use of space, reduces the floor area of device.
(2) the damping charger in the utility model can carry out the running fix in limit range, realize the change of load(ing) point, force value adjustment can be loaded with servo electric jar to match, thus real-time steering resisting moment under various working can be simulated, and then can test steering real-time and accurately.
(3) the utility model adopts the simulation loading mode of rocker-arm, when eliminating the device such as wheel and suspension, also can the steering procedure of simulating wheel exactly, and provide cost savings simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation one.
Fig. 2 is the utility model structural representation two.
Fig. 3 is that locking cursor slide installs active face cross sectional view and partial enlarged drawing thereof.
1-mounting plate; 2-rocker arrangement; 3-damping charger; 4-steering gear coupling arrangement; The short support post of 21-; 22-lower connecting plate; 23-photoelectric encoder; 24-splined shaft; The upper rigid swing arm of 25-; Rigid swing arm under 26-; 27-long support column; 28-upper junction plate; 29-bearing flange; 31-cursor slide support post; 32-mounting platform; 33-locks cursor slide; 34-slide block guide rail; 35-servo electric jar; 36-pull pressure sensor; 37-output sleeve; 38-setting nut; 41-steering-by-wire device; 42-web member; 43-U jacket; 331-holding screw hole; The fastening compressing tablet of 332-.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to shown in Fig. 1-Fig. 3, a kind of novel line traffic control steering test bench damping analogue means, comprise mounting plate 1, rocker arrangement 2, damping charger 3 and steering gear coupling arrangement 4, described rocker arrangement 2 comprises four short support posts 21 be secured by bolts on mounting plate 1, described short support post 21 is provided with lower connecting plate 22 above, described lower connecting plate 22 lower center position is provided with a photoelectric encoder 23, a splined shaft 24 is connected with by key in the middle of described photoelectric encoder 23, described splined shaft 24 axostylus axostyle is respectively arranged with rigid swing arm 25 and lower rigid swing arm 26 up and down, described lower connecting plate 22 top is connected to upper junction plate 28 by long support column 27, described lower connecting plate 22 and upper junction plate 28 middle position are provided with the bearing flange 29 for fixing splined shaft 24, described damping charger 3 comprises four and is secured by bolts in the cursor slide support post 31 on mounting plate 1 and is mounted on the mounting platform 32 at described cursor slide support post 31 top, two cursor slide support posts 31 at described same plane place are arranged with a locking cursor slide 33, described locking cursor slide 33, a slide block guide rail 34 is provided with in the middle of upper rigid swing arm 25 and lower rigid swing arm 26, a servo electric jar 35 is provided with between slide block guide rail 34 slide block on described locking cursor slide 33 and lower rigid swing arm 26, described servo electric jar 35 front end push rod is also provided with a pull pressure sensor 36, described steering gear coupling arrangement 4 comprises a steering-by-wire device 41, described steering-by-wire device 41 is arranged by U-shaped cover 43 and is fixed on mounting platform 32 top, described steering-by-wire device 41 front end is connected on the slide block of upper rigid swing arm 25 place slide block guide rail 34 by web member 42.
Wherein, described servo electric jar 35 is connected by an output sleeve (37) with pull pressure sensor 36, and described output sleeve 37 is threaded with servo electric jar 35 front end push rod and junction is provided with setting nut 38; Described upper rigid swing arm 25 and lower rigid swing arm 26 are locked on splined shaft 24 by the lock-screw being arranged at side; Described locking cursor slide 33 both sides are provided with two column trepannings, have holding screw hole 331 in the arranged outside of described column trepanning, be right against holding screw hole 331 place be provided with fastening compressing tablet 332 at the inwall of described column trepanning.
In the above description, cursor slide support post 31 lower end has screw thread, equally with other two classes column can step-by-step screw in mounting plate 1, and its upper surface supports mounting platform 32 for installing, and middle smooth, cylindrical peripheral surface is in order to lock slip and the location of cursor slide 33; Locking cursor slide 33 arrives the smooth, cylindrical peripheral surface in the middle of it through cursor slide support post 31, after determining position, by locking device locking positioning, as shown in Figure 3, is made up of holding screw hole 331 and fastening compressing tablet 332.Fastening compressing tablet 332 is cut into by shape shown in figure by Linear cut, and in holding screw hole 331, place can screw in lock-screw, and lock-screw end face can compress holding screw hole 31, and locking rocking arm 33 is fixed on cursor slide support post 31.This locking mode not only can optimize locking effect, can improve the serviceable life of locking device simultaneously.The center section of locking cursor slide 33 has threaded hole, can carry out the installation of rear end slide block guide rail 34.
Servo electric jar 35 is device rotary motion being converted to rectilinear motion, applies comparatively extensive.The tail hinge pin axle of servo electric jar 35 passes a through hole of electric cylinder contiguous block; The bearing pin of connecting hinge will ensure that installing rear space is parallel to splined shaft 24, therefore needs to carry out the screw-in depth of regulation output axle sleeve 37 on servo electric jar 35 output shaft by setting nut 38; Similar with rear end slide block, front end slide block slips into from one end of front slideway, after determining position, carries locking mechanism lock tightening position by front end slide block; Pull pressure sensor 36 contiguous block is installed on the slider guide of front end by screw; Pull pressure sensor 36 two ends are forward and reverse threaded hole, and what pull pressure sensor 36 two ends can be screwed in simultaneously output sleeve 37 and sensor contiguous block is threaded on axle, is connected by damping charger 3 with this with the lower rigid swing arm 26 of rocker arrangement.
This device in use, by treated for the output signal of photoelectric encoder 23 and pull pressure sensor 36 export to ECU (Electrical Control Unit) after, then after calculating and the process of ECU (Electrical Control Unit) PI module, export corresponding current signal to control the operation of servo electric jar 35.
After the utility model ECU (Electrical Control Unit), its course of work is as follows: damping charger 3 is moved to correct position by front and back ends slide block, and carries locking mechanism lock tightening position, measures lower moment arm simultaneously; After steering-by-wire device 41 being installed to the correct position of mounting platform 32, carrying locking mechanism lock tightening position by upper end slide block, measure moment arm simultaneously.
Steering resisting moment or resistance is provided according to real-time steering resisting moment for realizing wire-controlled steering system testing table, the control module be equipped with by the utility model is according to the auto model of write, upper and lower moment arm value and photoelectric encoder 23 change after the steering drag that calculates according to certain computing method of angular signal after, this signal is passed to servo electric jar 35, promote pull pressure sensor 36, thus drive lower rigid swing arm 26 to rotate around splined shaft 24, export until corresponding moment to be passed to upper rigid swing arm 10 to steering-by-wire device 16, thus the generation of simulation steering resisting moment.Namely the velocity mode of the utility model employing servo electric jar 35 carrys out the ground drag that simulated automotive tire is subject to.
The rotational angle of the splined shaft 9 that control module measures according to photoelectric encoder 23 and experiment condition show that servo electric jar 35 needs the resistance provided, and this resistance torque signal is sent to inner pi regulator in the mode of digital quantity signal, as the input command of pi regulator, form force value and follow system.Meanwhile, the resistance feedback that electric cylinder exports by the pull pressure sensor 22 under installing between rigid swing arm 26 and servo electric jar 35, to pi regulator, forms power closed-loop control system.Pi regulator, according to the input command of host computer and feedback signal, after doing proportional integral computing, exports analog voltage signal to servo-driver module, and then obtains aligning torque accurately.
Embodiment recited above is only be described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that this area ordinary person makes the technical solution of the utility model and improvement; protection domain of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (4)
1. A wire control steering damping simulator test rig, including fixed installation plate (1), rocker device (2), damping load device (3), and steering connection device (4), whose character is: the rocker device (2) including four by bolt is fixed on the fixed plate (1) short support column (21), described the short supporting pillar (21) under the above Settings are connecting plate (22), described the connection plate (22) at the bottom of the central location Settings (23), a photoelectric encoder is described in the photoelectric encoder (23) through key connection between a spline shaft (24), spline shaft described (24) on the shaft lever, respectively, set up and down with the rigid arm (25) and the rigid arm (26), described the connection plate (22) through the long upper support column (27) connection first connecting plate (28), described the connection plate (22) and the connecting plate (28)Central location all Settings are used for fixed spline shaft bearings flange (24) (29), damping load device (3) including four fixed in the fixed by bolts mounting plate (1) the slider on the support column (31) and installing fixed slider support column described in (31) at the top of the installation platform (32), as described in the same plane in two slider support pillar position is equipped with a lock slider (31) (33), described in the lock slider (33), the rigid arm (25), and the rigid arm (26) are set up among a sliding block guide rail (34), described in the lock slider (33) and the rigid arm (26) the sliding block guide rail (34) on the slider to a servo electric cylinder between (35), described the servo electric cylinder (35) front push rod also sets a pressure sensor (36), described steering connection device (4) includes a wire control steering (41), described in wire control steering (41) by U set (43) setting fixed in the upper installation platform (32), as described in wire control steering (41) front end through fitting (42) connected to the rigid arm (25) sliding block guide rail sliding block (34).
2. a kind of wire-control steering test platform damping analogue means according to claim 1, it is characterized in that: described servo electric jar (35) is connected by an output sleeve (37) with pull pressure sensor (36), described output sleeve (37) is threaded with servo electric jar (35) front end push rod and junction is provided with setting nut (38).
3. a kind of wire-control steering test platform damping analogue means according to claim 1, is characterized in that: described upper rigid swing arm (25) and lower rigid swing arm (26) are locked on splined shaft (24) by the lock-screw being arranged at side.
4. a kind of wire-control steering test platform damping analogue means according to claim 1, it is characterized in that: described locking cursor slide (33) both sides are provided with two column trepannings, there is holding screw hole (331) in the arranged outside of described column trepanning, be right against holding screw hole (331) place at the inwall of described column trepanning and be provided with fastening compressing tablet (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015971.3U CN204330362U (en) | 2015-01-09 | 2015-01-09 | A kind of wire-control steering test platform damping analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015971.3U CN204330362U (en) | 2015-01-09 | 2015-01-09 | A kind of wire-control steering test platform damping analogue means |
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| Publication Number | Publication Date |
|---|---|
| CN204330362U true CN204330362U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520015971.3U Expired - Fee Related CN204330362U (en) | 2015-01-09 | 2015-01-09 | A kind of wire-control steering test platform damping analogue means |
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| CN (1) | CN204330362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166481A (en) * | 2021-11-08 | 2022-03-11 | 浙江省轻工业品质量检验研究院 | Plug-in panel damping testing device |
-
2015
- 2015-01-09 CN CN201520015971.3U patent/CN204330362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166481A (en) * | 2021-11-08 | 2022-03-11 | 浙江省轻工业品质量检验研究院 | Plug-in panel damping testing device |
| CN114166481B (en) * | 2021-11-08 | 2023-08-22 | 浙江省轻工业品质量检验研究院 | Inserted panel damping testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160109 |