CN108001143A - Front independent suspension system for commercial vehicle - Google Patents
Front independent suspension system for commercial vehicle Download PDFInfo
- Publication number
- CN108001143A CN108001143A CN201711460271.5A CN201711460271A CN108001143A CN 108001143 A CN108001143 A CN 108001143A CN 201711460271 A CN201711460271 A CN 201711460271A CN 108001143 A CN108001143 A CN 108001143A
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- Prior art keywords
- foot
- arm
- swing arm
- torsion
- helical spring
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- 239000000725 suspension Substances 0.000 title claims abstract description 38
- 210000000245 forearm Anatomy 0.000 claims abstract description 32
- 230000000295 complement effect Effects 0.000 claims description 13
- 239000004519 grease Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 9
- 210000002445 nipple Anatomy 0.000 claims description 9
- 238000004073 vulcanization Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 239000000126 substance Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/48—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs
- B60G11/50—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs having helical, spiral or coil springs, and also torsion-bar springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/12—Steering gears mechanical of rack-and-pinion type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a front independent suspension system for commercial vehicle, including coil spring, the torsion bar spring is with the upper and lower swing arm of U type, wherein, go up the upper left front of swing arm, the postbrachium foot is connected with the frame, go up the right arm foot and be connected with the top of knuckle support through the eccentric pin, the bottom of knuckle support is connected with the lower right arm foot of lower swing arm, lower left front, the postbrachium foot is connected with the frame, be located its top on the knuckle support, position between the bottom contacts with the coil spring bottom, the coil spring top is by lower supreme wearing left front, be connected with the bottom of coil spring installing support after the space between the postbrachium foot, the position of nearly last left forearm foot on the upper swing arm is connected with the one end of torsion bar spring through torsion bar spring installing support, the other end of torsion bar spring is connected with the frame. The design can meet the requirements of large bearing capacity, high reliability, high strength, good guiding effect, small occupied space and low cost, and is favorable for realizing the operation stability and the running smoothness of the whole vehicle.
Description
Technical field
The present invention relates to a kind of suspension system, before commercial car list front-axle structure, more particularly to a kind of commercial car use
Independent suspension system, it is particularly applicable on the basis of carrying greatly is ensured, improves intensity and reliability.
Background technology
Loading front axle generally uses leaf spring rigid axle suspension at present, it has the advantages that simple in structure, cost is low etc.,
Influence each other yet with both sides wheel hop, rub the reasons such as larger, nonspring carried mass is big between leaf of spring, cause vehicle
Control stability and ride comfort are poor, in addition, load-carrying vehicle itself axle load is larger and the characteristics of arrangement space is limited also limit it
The introducing and application of remaining types of suspensions, such as air suspension, independent suspension.
Publication No. CN106394154A, publication date are that the application for a patent for invention of on 2 15th, 2017 discloses a kind of band
There are the commercial car list front-axle structure of independent suspension, including symmetrically arranged left independent suspension and right independent suspension, the left independence
Suspension is connected by vehicle frame with right independent suspension；The vehicle frame includes symmetrically arranged left longeron and right vertical beam, described left vertical
Beam is fixedly connected by preceding pocket beam and rear pocket beam with right vertical beam respectively；The independent suspension passes through connecting bracket and four leaf springs point
It is not connected with preceding pocket beam and rear pocket beam, the bottom of connecting bracket is connected by damper with longeron；Rack-and-pinion steering
It is connected with knuckle.Although the design improves bearer properties to a certain extent, it still has following defect：
First, the design is not strong as load bearing component, bearing capacity using leaf spring, it is difficult to meets that the big axle load of medium and heavy load-carrying vehicle is held
Load demand；
Secondly, the leaf spring in the design is divided into two parts in left and right, and each part includes upper and lower two levels, occupied space
It is larger, with medium and heavy load-carrying vehicle arrangement space it is limited the characteristics of it is inconsistent；
Again, the leaf spring in the patent is both director element and load-carrying unit, easily leads to the increasing of wheel alignment parameter excursion
Greatly, so as to influence vehicle handling stability energy, reliability is reduced.
The information for disclosing the background section is merely intended to understanding of the increase to the general background of present patent application, without
It should be considered as recognizing or imply that the information structure has been the existing skill well known to persons skilled in the art in any form
Art.
The content of the invention
The purpose of the present invention is overcome existing in the prior art to meet that big bearing requirements, reliability be high, intensity
Less defect and problem, there is provided a kind of to meet the preceding independence of big bearing requirements, reliability are higher, intensity is larger commercial car
Suspension system.
In order to achieve the above object, the technical solution of the present invention is：A kind of commercial car front independent suspension system, including
Flexible member and knuckle support, the flexible member are connected with vehicle frame, the diverted section of the knuckle support with vehicle frame
The rack-and-pinion steering of setting is connected；
The flexible member includes helical spring and torsion-bar spring, the front independent suspension system further include upper swing arm, lower swing arm,
Torsion-bar spring mounting bracket and helical spring mounting bracket；
The upper swing arm, lower swing arm are U-shaped structure, and the upper left forearm foot of upper swing arm, upper left back arm foot are connected with vehicle frame, on
The upper right arm foot of swing arm is connected by cam pin with the top of knuckle support, under the bottom and lower swing arm of knuckle support
Right arm foot is connected, and lower left forearm foot, the bottom left postbrachium foot of lower swing arm are connected with vehicle frame, positioned at its top on knuckle support
End, the position between bottom are in contact with the bottom of helical spring, the top of helical spring from the bottom to top left forearm foot in drawing-in,
The bottom for the helical spring mounting bracket being connected after gap between upper left back arm foot with vehicle frame is connected；It is near on upper swing arm
The outer wall at the position of upper left forearm foot is connected with the inner wall of the right end of torsion-bar spring mounting bracket, torsion-bar spring mounting bracket
The outer wall of left end is connected with one end of torsion-bar spring, and the other end of torsion-bar spring is connected with vehicle frame, torsion-bar spring, torsion bar bullet
There are torsional spring gap between the junction of spring mounting bracket and upper left forearm foot, and there is folder between torsion-bar spring and helical spring
Angle.
The upper left forearm foot, upper left back arm foot, lower left forearm foot, perforative in bottom left postbrachium foot be embedded with one-to-one corresponding
The first rubber bushing, the second rubber bushing, the 3rd rubber bushing, the 4th rubber bushing.
First rubber bushing, the axial line of the second rubber bushing are coaxial, the 3rd rubber bushing, the 4th rubber lining
The axial line of set is coaxial.
The knuckle support includes the rack body of bottom tray, hollow cylinder and L-type, which includes being connected with each other
Lower supporter arm and collateral boom, the inner of lower supporter arm is connected with the bottom of bottom tray, the outer end of lower supporter arm with it is collateral
The bottom of boom is connected, and the top of collateral boom is mutually hinged by cam pin and upper right arm foot, on the lateral surface of collateral boom
Proximal stent arm, the position of upper right arm foot junction are connected with the outer tube wall of hollow cylinder, the diverted master of inner tube wall of hollow cylinder
Pin is connected with knuckle, on the bottom of collateral boom on proximal stent arm, the position of lower supporter arm junction and lower right arm foot
Set lower arm seat be mutually hinged, the upper position between its top, bottom of collateral boom is provided with damping column, the damping column with
One end of vibration damper complement is mutually hinged, and the other end of vibration damper complement is mutually hinged with the lateral surface of helical spring mounting bracket, spiral shell
The medial surface of rotation spring mounting brackets is connected with vehicle frame, and the bottom of helical spring mounting bracket is connected with the outer bottom of jacking disk
Connect, the inner bottom surface of jacking disk is connected with the top of helical spring, and the bottom of helical spring is in contact with the inner bottom surface of bottom tray.
The inner bottom surface of the jacking disk is connected through upper limit position block with upper limit rubber, and the inner bottom surface of bottom tray is through lower limit
Block is connected with lower limit rubber, and top, the bottom of helical spring are set in the outside of upper limit position block, lower position block, on
Limited block, the upper limit vulcanization of rubber are integrated, and lower position block, the lower limit vulcanization of rubber are integrated.
The position being in contact on inner bottom surface in the jacking disk, bottom tray with helical spring is respectively arranged with upper rubber
Pad, lower rubber pad.
The axial line of the torsion-bar spring is parallel with the fore-and-aft plane of vehicle frame, and torsion-bar spring is located at wheel front end；Institute
State vibration damper complement and be located at end in face of wheel symmetrical centre.
From top to bottom drawing-in knuckle, the inner cavity of hollow cylinder are connected the pivot stud with thrust bearing afterwards successively,
The diverted swing arm of knuckle is connected with the rack-and-pinion steering set in vehicle frame.
The turns auxiliary shaft linear distance of the upper swing arm be less than or equal to lower swing arm turns auxiliary shaft linear distance, and upper swing arm,
Counterbore groove, sinking hole slot are respectively arranged with lower swing arm.
The cam pin includes preceding locking plate, shank structure, pin cap body and rear locking plate, and the shank structure is included successively
Locking cap, key seat, preceding axis pin, middle axis pin and the rear pin shaft of connection, locking cap, key seat, preceding axis pin, the inside of middle axis pin open up altogether
There is same grease nipple installation cavity, the oilhole communicated with grease nipple installation cavity, the end face of rear pin shaft are offered on middle axis pin
On offer axis pin connecting hole, the pin cap body includes sequentially connected locking lid and pin cap seat, and offering lid in locking lid passes through
Through hole, the pin shaft insertion hole that perforation is offered in pin cap seat are coordinated with being inserted into rear pin shaft；
The preceding connecting hole being connected with upper right arm foot is offered on the Pan Bi of the preceding locking plate, the inside of preceding locking plate offers
The preceding locking hole of locking cooperation is carried out with locking cap, is offered on the Pan Bi of the rear locking plate after being connected with upper right arm foot
Connecting hole, the inside of rear locking plate offer the rear locking hole that locking cooperation is carried out with locking lid, and axis pin connecting hole and fixation
One end of bolt is connected, and is fixedly connected after the other end drawing-in lid through hole of fixing bolt with the outer wall of locking lid.
Compared with prior art, beneficial effects of the present invention are：
1st, it is in a kind of commercial car front independent suspension system of the present invention, helical spring, torsion-bar spring is combined, it is common to carry out
Carrying, wherein, the longeron less parallel of torsion-bar spring and vehicle frame, the longeron of helical spring and vehicle frame is at an acute angle in vertical direction,
Also certain angle is rendered as between helical spring, torsion-bar spring, compared with the leaf spring used in the prior art, this kind of combination
Bearing capacity can not only be greatly improved, disclosure satisfy that the big bearing requirements of load-carrying vehicle, and nonspring carried mass can be lowered, kept away
Exempt to rub between plate spring sheet, in addition, the air spring used more in the prior art also has, of low cost, reliability is high, cloth empties
Between it is small the advantages that, be more applicable for the promotion and application at present on domestic load-carrying vehicle.Therefore, the present invention can not only meet to hold greatly
Load requires, reliability is higher, and occupied space is smaller, cost is relatively low.
2nd, in a kind of commercial car front independent suspension system of the present invention, upper swing arm, lower swing arm are set as special guiding
Mechanism, upper swing arm, lower swing arm are U-shaped structure, are arranged up and down by knuckle support between the two, to be connected with vehicle frame,
Compared with prior art, special guiding role can avoid carrying influence to guiding, meanwhile, upper swing arm, lower swing arm from
Body structure and cooperate and also increase mechanical strength and application reliability, in addition, compared with conventional steel plates spring rigid axle suspension, tool
Have the advantages that the nonspring carried mass of smaller, both sides wheel hop do not interfere, arrangement space it is compact, can be obviously improved vehicle manipulation
Stability and ride performance.Therefore, not only guide effect is smooth, intensity is larger, reliability is higher by the present invention, but also beneficial to real
The control stability and ride performance of existing vehicle.
3rd, in a kind of commercial car front independent suspension system of the present invention, under the turns auxiliary shaft linear distance of upper swing arm is less than or equal to
The turns auxiliary shaft linear distance of swing arm, which can bring more preferable suspension fork mechanism rigidity, so as to improve integrally-built intensity
With reliability, meanwhile, counterbore groove can also be set to realize lightweight on upper swing arm, lower swing arm.Therefore, not only intensity of the invention
It is larger, and light weight effect is preferable.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Dimensional structure diagram when Fig. 2 is Fig. 1 left views.
Fig. 3 is dimensional structure diagram when Fig. 2 is looked up.
Fig. 4 is the dimensional structure diagram removed in Fig. 1 after helical spring, torsion-bar spring.
Fig. 5 is the dimensional structure diagram of knuckle support in Fig. 1.
Fig. 6 is the structure diagram that knuckle support in Fig. 1, knuckle are connected.
Fig. 7 is the structure diagram of cam pin in Fig. 1.
Fig. 8 is the structure diagram of shank structure in Fig. 7.
Fig. 9 is the structure diagram of pin cap body in Fig. 7.
Figure 10 is the connection diagram of cam pin and upper right arm foot in Fig. 1.
Figure 11 is cam pin in Figure 10, the sectional view after the connection of upper right arm foot.
Figure 12 is the present invention and the assembling schematic diagram of vehicle frame.
In figure：Helical spring 1, upper rubber pad 11, lower rubber pad 12, torsion-bar spring 2, helical spring mounting bracket 3, jacking
Disk 31, upper limit position block 32, upper limit rubber 33, lower position block 34, lower limit rubber 35, torsion-bar spring mounting bracket 4, knuckle
Stent 5, rack body 51, lower supporter arm 52, collateral boom 53, hollow cylinder 54, bottom tray 55, damping column 56, knuckle 6, turn
To stub 61, thrust bearing 62, turn to swing arm 63, rack-and-pinion steering 64, upper swing arm 7, upper left forearm foot 71, upper left back
Arm foot 72, upper right arm foot 73, the first rubber bushing 74, the second rubber bushing 75, torsional spring gap 76, upper counterbore groove 77, lower swing arm
8th, lower left forearm foot 81, bottom left postbrachium foot 82, lower right arm foot 83, the 3rd rubber bushing 84, the 4th rubber bushing 85, lower arm seat
86th, sinking hole slot 87, cam pin 9, preceding locking plate 91, preceding connecting hole 911, preceding locking hole 912, shank structure 92, locking cap
921st, key seat 922, preceding axis pin 923, middle axis pin 924, rear pin shaft 925, grease nipple installation cavity 926, oilhole 927, axis pin connect
Connect hole 928, pin cap body 93, locking lid 931, pin cap seat 932, lid through hole 933, pin shaft insertion hole 934, rear locking plate 94, after
Connecting hole 941, rear locking hole 942, fixing bolt 95, grease nipple 96, improved mat 97, outer connecting pin 98, vibration damper complement 10,
Vehicle frame 13.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is described in further detail with embodiment.
Referring to Fig. 1 to Figure 12, a kind of commercial car front independent suspension system, including flexible member and knuckle support 5, institute
State flexible member with vehicle frame 13 to be connected, the diverted section 6 of knuckle support 5 is turned to the rack-and-pinion set in vehicle frame 13
System 64 is connected；
The flexible member includes helical spring 1 and torsion-bar spring 2, and the front independent suspension system further includes upper swing arm 7, the bottom
Arm 8, torsion-bar spring mounting bracket 4 and helical spring mounting bracket 3；
The upper swing arm 7, lower swing arm 8 are U-shaped structure, the upper left forearm foot 71 of upper swing arm 7, upper left back arm foot 72 and vehicle frame 13
It is connected, the upper right arm foot 73 of upper swing arm 7 is connected by cam pin 9 with the top of knuckle support 5, knuckle support 5
Bottom is connected with the lower right arm foot 83 of lower swing arm 8, lower left forearm foot 81, bottom left postbrachium foot 82 and 13 phase of vehicle frame of lower swing arm 8
Connect, the position on knuckle support 5 between its top, bottom is in contact with the bottom of helical spring 1, helical spring 1
Top be connected from the bottom to top with vehicle frame 13 after the gap in drawing-in between left forearm foot 71, upper left back arm foot 72 it is spiral
The bottom of spring mounting brackets 3 is connected；The outer wall at the position of closely upper left forearm foot 71 and torsion-bar spring installation branch on upper swing arm 7
The inner wall of the right end of frame 4 is connected, and the outer wall of the left end of torsion-bar spring mounting bracket 4 is connected with one end of torsion-bar spring 2, turns round
The other end of bar spring 2 is connected with vehicle frame 13, torsion-bar spring 2, junction and the upper left forearm foot of torsion-bar spring mounting bracket 4
There are torsional spring gap 76 between 71, and there are angle between torsion-bar spring 2 and helical spring 1.
The upper left forearm foot 71, upper left back arm foot 72, lower left forearm foot 81, perforative in bottom left postbrachium foot 82 be embedded with
One-to-one first rubber bushing 74, the second rubber bushing 75, the 3rd rubber bushing 84, the 4th rubber bushing 85.
First rubber bushing 74, the axial line of the second rubber bushing 75 are coaxial, the 3rd rubber bushing the 84, the 4th
The axial line of rubber bushing 85 is coaxial.
The knuckle support 5 includes bottom tray 55, hollow cylinder 54 and the rack body 51 of L-type, the rack body 51 and wraps
The lower supporter arm 52 of interconnection and collateral boom 53 are included, the inner of lower supporter arm 52 is connected with the bottom of bottom tray 55, bottom
The outer end of support arm 52 is connected with the bottom of collateral boom 53, and the top of collateral boom 53 passes through cam pin 9 and upper right arm foot
73 phases are hinged, proximal stent arm 53, position and the hollow cylinder 54 of upper 73 junction of right arm foot on the lateral surface of collateral boom 53
Outer tube wall is connected, and the diverted stub 61 of inner tube wall of hollow cylinder 54 is connected with knuckle 6, near on the bottom of collateral boom 53
Collateral boom 53, the position of 52 junction of lower supporter arm are hinged with 86 phase of lower arm seat set on lower right arm foot 83, collateral boom
Position on 53 between its top, bottom is provided with damping column 56, one end phase of the damping column 56 and vibration damper complement 10
It is hinged, the other end of vibration damper complement 10 is mutually hinged with the lateral surface of helical spring mounting bracket 3, helical spring mounting bracket 3
Medial surface be connected with vehicle frame 13, the bottom of helical spring mounting bracket 3 is connected with the outer bottom of jacking disk 31, jacking disk
31 inner bottom surface is connected with the top of helical spring 1, and the bottom of helical spring 1 is in contact with the inner bottom surface of bottom tray 55.
The inner bottom surface of the jacking disk 31 is connected through upper limit position block 32 with upper limit rubber 33, the inner bottom surface of bottom tray 55
Be connected through lower position block 34 with lower limit rubber 35, top, the bottom of helical spring 1 be set in upper limit position block 32, under
The outside of limited block 34, upper limit position block 32, the vulcanization of upper limit rubber 33 are integrated, and lower position block 34, lower limit rubber 35 vulcanize
It is integrated.
The position being in contact on inner bottom surface in the jacking disk 31, bottom tray 55 with helical spring 1 is respectively arranged with
Rubber pad 11, lower rubber pad 12.
Before the axial line of the torsion-bar spring 2 is parallel with the fore-and-aft plane of vehicle frame 13, and torsion-bar spring 2 is located at wheel
End；The vibration damper complement 10, which is located in face of wheel symmetrical centre, to be held.
The pivot stud 61 from top to bottom successively drawing-in knuckle 6, hollow cylinder 54 inner cavity after with thrust bearing 62
It is connected, the diverted swing arm 63 of knuckle 6 is connected with the rack-and-pinion steering 64 set in vehicle frame 13.
The turns auxiliary shaft linear distance of the upper swing arm 7 is less than or equal to the turns auxiliary shaft linear distance of lower swing arm 8, and in upper swing arm
7th, counterbore groove 77, sinking hole slot 87 are respectively arranged with lower swing arm 8.
The cam pin 9 includes preceding locking plate 91, shank structure 92, pin cap body 93 and rear locking plate 94, the shank knot
Structure 92 includes sequentially connected locking cap 921, key seat 922, preceding axis pin 923, middle axis pin 924 and rear pin shaft 925, locking cap 921,
Key seat 922, preceding axis pin 923, the inside of middle axis pin 924 offer same grease nipple installation cavity 926 altogether, are opened on middle axis pin 924
Equipped with the oilhole 927 communicated with grease nipple installation cavity 926, axis pin connecting hole 928 is offered on the end face of rear pin shaft 925,
The pin cap body 93 includes sequentially connected locking lid 931 and pin cap seat 932, and lid through hole 933 is offered in locking lid 931,
The pin shaft insertion hole 934 that perforation is offered in pin cap seat 932 is coordinated with being inserted into rear pin shaft 925；
The preceding connecting hole 911 being connected with upper right arm foot 73 is offered on the Pan Bi of the preceding locking plate 91, preceding locking plate 91
Inside offer with locking cap 921 carry out locking cooperation preceding locking hole 912, it is described after locking plate 94 Pan Bi on offer with
The rear connecting hole 941 that upper right arm foot 73 is connected, the inside of rear locking plate 94 is offered carries out locking cooperation with locking lid 931
Locking hole 942 afterwards, and axis pin connecting hole 928 is connected with one end of fixing bolt 95, the other end drawing-in lid of fixing bolt 95
Outer wall after through hole 933 with locking lid 931 is fixedly connected.
The principle of the present invention is described as follows：
The present invention meets the big bearing requirements of load-carrying vehicle using the combination of helical spring, torsion-bar spring, if individually using spiral bullet
Spring or torsion-bar spring can not meet the big bearing requirements of load-carrying vehicle.
The axial line of torsion-bar spring 2 is parallel with the fore-and-aft plane of vehicle frame 13, and torsion-bar spring 2 is located at wheel front end, described
Vibration damper complement 10, which is located in face of wheel symmetrical centre, to be held --- and the technical characteristic can avoid interfering with car wheel structure.
The position being in contact on inner bottom surface in jacking disk 31, bottom tray 55 with helical spring 1 is respectively arranged with upper rubber
Pad 11, lower rubber pad 12 --- the technical characteristic can reach the effect for reducing contact stress and avoiding abnormal sound.
Upper left forearm foot, upper left back arm foot, lower left forearm foot, perforative in bottom left postbrachium foot be embedded with one-to-one
One rubber bushing, the second rubber bushing, the 3rd rubber bushing, the 4th rubber bushing --- the rubber bushing in arm foot be as turn
What dynamic pair used.
Embodiment 1：
Referring to Fig. 1 to Figure 12, a kind of commercial car front independent suspension system, including flexible member and knuckle support 5, the bullet
Property element be connected with vehicle frame 13, the diverted section 6 of the knuckle support 5 and the rack-and-pinion steering set in vehicle frame 13
64 are connected；The flexible member includes helical spring 1 and torsion-bar spring 2, and the front independent suspension system further includes upper swing arm
7th, lower swing arm 8, torsion-bar spring mounting bracket 4 and helical spring mounting bracket 3；The upper swing arm 7, lower swing arm 8 are U-shaped knot
Structure, the upper left forearm foot 71 of upper swing arm 7, upper left back arm foot 72 are connected with vehicle frame 13, and the upper right arm foot 73 of upper swing arm 7 is by inclined
Heart pin 9 is connected with the top of knuckle support 5, and the bottom of knuckle support 5 is connected with the lower right arm foot 83 of lower swing arm 8,
Lower left forearm foot 81, the bottom left postbrachium foot 82 of lower swing arm 8 are connected with vehicle frame 13, positioned at its top, bottom on knuckle support 5
Between position be in contact with the bottom of helical spring 1, the top of helical spring 1 from the bottom to top left forearm foot 71 in drawing-in, on
The bottom for the helical spring mounting bracket 3 being connected after gap between left back arm foot 72 with vehicle frame 13 is connected；Upper swing arm 7
The outer wall at the position of upper nearly upper left forearm foot 71 is connected with the inner wall of the right end of torsion-bar spring mounting bracket 4, torsion-bar spring peace
The outer wall for filling the left end of stent 4 is connected with one end of torsion-bar spring 2, and the other end of torsion-bar spring 2 is connected with vehicle frame 13（It is excellent
Select the axial line of torsion-bar spring 2 parallel with the fore-and-aft plane of vehicle frame 13, and torsion-bar spring 2 is located at wheel front end）, torsion-bar spring
2nd, between the junction of torsion-bar spring mounting bracket 4 and upper left forearm foot 71 there are torsional spring gap 76, and torsion-bar spring 2 with it is spiral
There are angle between spring 1.It is preferred that the turns auxiliary shaft linear distance of the upper swing arm 7 is less than or equal to the revolute pair axis of lower swing arm 8
Distance, and counterbore groove 77, sinking hole slot 87 are respectively arranged with upper swing arm 7, lower swing arm 8.
Embodiment 2：
With embodiment 1, difference is substance：
The upper left forearm foot 71, upper left back arm foot 72, lower left forearm foot 81, perforative in bottom left postbrachium foot 82 be embedded with one by one
Corresponding first rubber bushing 74, the second rubber bushing 75, the 3rd rubber bushing 84, the 4th rubber bushing 85.First rubber
Glue bushing 74, the axial line of the second rubber bushing 75 are coaxial, the 3rd rubber bushing 84, the axial line of the 4th rubber bushing 85
Coaxially.
Embodiment 3：
With embodiment 1, difference is substance：
The knuckle support 5, which includes bottom tray 55, hollow cylinder 54 and the rack body 51 of L-type, the rack body 51, includes phase
The lower supporter arm 52 to connect and collateral boom 53, the inner of lower supporter arm 52 are connected with the bottom of bottom tray 55, lower supporter
The outer end of arm 52 is connected with the bottom of collateral boom 53, and the top of collateral boom 53 passes through cam pin 9 and upper 73 phase of right arm foot
It is hinged, proximal stent arm 53, the position of upper 73 junction of right arm foot and the outer barrel of hollow cylinder 54 on the lateral surface of collateral boom 53
Wall is connected, and the diverted stub 61 of inner tube wall of hollow cylinder 54 is connected with knuckle 6, nearside branch on the bottom of collateral boom 53
Boom 53, the position of 52 junction of lower supporter arm are hinged with 86 phase of lower arm seat set on lower right arm foot 83, on collateral boom 53
Position between its top, bottom is provided with damping column 56, and one end of the damping column 56 and vibration damper complement 10 is mutually hinged,
The other end of vibration damper complement 10 and the lateral surface of helical spring mounting bracket 3 are mutually hinged（It is preferred that vibration damper complement 10 is located at car
Take turns and held in face of symmetrical centre）, the medial surface of helical spring mounting bracket 3 is connected with vehicle frame 13, helical spring mounting bracket 3
Bottom is connected with the outer bottom of jacking disk 31, and the inner bottom surface of jacking disk 31 is connected with the top of helical spring 1, helical spring
1 bottom is in contact with the inner bottom surface of bottom tray 55.
Embodiment 4：
With embodiment 3, difference is substance：
From top to bottom drawing-in knuckle 6, the inner cavity of hollow cylinder 54 are connected the pivot stud 61 with thrust bearing 62 afterwards successively
Connect, the diverted swing arm 63 of knuckle 6 is connected with the rack-and-pinion steering 64 set in vehicle frame 13.
Embodiment 5：
With embodiment 3, difference is substance：
The inner bottom surface of the jacking disk 31 is connected through upper limit position block 32 with upper limit rubber 33, under the inner bottom surface warp of bottom tray 55
Limited block 34 is connected with lower limit rubber 35, and top, the bottom of helical spring 1 are set in upper limit position block 32, lower limit
The outside of block 34, upper limit position block 32, the vulcanization of upper limit rubber 33 are integrated, and lower position block 34, the vulcanization of lower limit rubber 35 are one
Body.The position being in contact on inner bottom surface in the jacking disk 31, bottom tray 55 with helical spring 1 is respectively arranged with upper rubber pad
11st, lower rubber pad 12.
Embodiment 6：
With embodiment 1, difference is substance：
The cam pin 9 includes preceding locking plate 91, shank structure 92, pin cap body 93 and rear locking plate 94, the shank structure 92
Including sequentially connected locking cap 921, key seat 922, preceding axis pin 923, middle axis pin 924 and rear pin shaft 925, locking cap 921, key seat
922nd, preceding axis pin 923, the inside of middle axis pin 924 offer same grease nipple installation cavity 926 altogether, are offered on middle axis pin 924
The oilhole 927 communicated with grease nipple installation cavity 926, offers axis pin connecting hole 928 on the end face of rear pin shaft 925, described
Pin cap body 93 includes sequentially connected locking lid 931 and pin cap seat 932, and lid through hole 933, pin cap are offered in locking lid 931
The pin shaft insertion hole 934 that perforation is offered in seat 932 is coordinated with being inserted into rear pin shaft 925；On the Pan Bi of the preceding locking plate 91
The preceding connecting hole 911 being connected with upper right arm foot 73 is offered, the inside of preceding locking plate 91 is offered is locked with locking cap 921
The preceding locking hole 912 of tight fit, it is described to offer the rear connecting hole being connected with upper right arm foot 73 on the Pan Bi of locking plate 94 afterwards
941, the inside of rear locking plate 94 offers the rear locking hole 942 that locking cooperation is carried out with locking lid 931, and axis pin connecting hole
928 are connected with one end of fixing bolt 95, after the other end drawing-in lid through hole 933 of fixing bolt 95 with locking lid 931
Outer wall is fixedly connected.
Claims (10)
1. a kind of commercial car front independent suspension system, including flexible member and knuckle support（5）, the flexible member and car
Frame（13）It is connected, the knuckle support（5）Diverted section（6）With vehicle frame（13）The rack-and-pinion steering of interior setting
（64）It is connected, it is characterised in that：
The flexible member includes helical spring（1）With torsion-bar spring（2）, the front independent suspension system further includes upper swing arm
（7）, lower swing arm（8）, torsion-bar spring mounting bracket（4）With helical spring mounting bracket（3）；
The upper swing arm（7）, lower swing arm（8）It is U-shaped structure, upper swing arm（7）Upper left forearm foot（71）, upper left back arm foot
（72）With vehicle frame（13）It is connected, upper swing arm（7）Upper right arm foot（73）Pass through cam pin（9）With knuckle support（5）Top
End is connected, knuckle support（5）Bottom and lower swing arm（8）Lower right arm foot（83）It is connected, lower swing arm（8）Under it is left front
Arm foot（81）, bottom left postbrachium foot（82）With vehicle frame（13）It is connected, knuckle support（5）Above between its top, bottom
Position and helical spring（1）Bottom be in contact, helical spring（1）Top left forearm foot in drawing-in from the bottom to top（71）, on
Left back arm foot（72）Between gap after and vehicle frame（13）The helical spring mounting bracket of upper connection（3）Bottom be connected；
Upper swing arm（7）Upper closely upper left forearm foot（71）Position outer wall and torsion-bar spring mounting bracket（4）The inner wall of right end be connected
Connect, torsion-bar spring mounting bracket（4）Left end outer wall and torsion-bar spring（2）One end be connected, torsion-bar spring（2）It is another
End and vehicle frame（13）It is connected, torsion-bar spring（2）, torsion-bar spring mounting bracket（4）Junction and upper left forearm foot（71）It
Between there are torsional spring gap（76）, and torsion-bar spring（2）With helical spring（1）Between there are angle.
A kind of 2. commercial car front independent suspension system according to claim 1, it is characterised in that：The upper left forearm foot
（71）, upper left back arm foot（72）, lower left forearm foot（81）, bottom left postbrachium foot（82）It is interior perforative to be embedded with one-to-one first
Rubber bushing（74）, the second rubber bushing（75）, the 3rd rubber bushing（84）, the 4th rubber bushing（85）.
A kind of 3. commercial car front independent suspension system according to claim 2, it is characterised in that：The first rubber lining
Set（74）, the second rubber bushing（75）Axial line it is coaxial, the 3rd rubber bushing（84）, the 4th rubber bushing（85）Axis
Heart line is coaxial.
A kind of 4. commercial car front independent suspension system according to claim 1,2 or 3, it is characterised in that：
The knuckle support（5）Including bottom tray（55）, hollow cylinder（54）With the rack body of L-type（51）, the rack body
（51）Lower supporter arm including interconnection（52）With collateral boom（53）, lower supporter arm（52）The inner and bottom tray（55）'s
Bottom is connected, lower supporter arm（52）Outer end and collateral boom（53）Bottom be connected, collateral boom（53）Top lead to
Cross cam pin（9）With upper right arm foot（73）Mutually it is hinged, collateral boom（53）Lateral surface on proximal stent arm（53）, upper right arm foot
（73）The position of junction and hollow cylinder（54）Outer tube wall be connected, hollow cylinder（54）The diverted stub of inner tube wall（61）With
Knuckle（6）It is connected, collateral boom（53）Bottom on proximal stent arm（53）, lower supporter arm（52）The position of junction with
Lower right arm foot（83）The lower arm seat of upper setting（86）Mutually it is hinged, collateral boom（53）The upper position between its top, bottom
It is provided with damping column（56）, the damping column（56）With vibration damper complement（10）One end be mutually hinged, vibration damper complement（10）It is another
One end and helical spring mounting bracket（3）Lateral surface be mutually hinged, helical spring mounting bracket（3）Medial surface and vehicle frame（13）
It is connected, helical spring mounting bracket（3）Bottom and jacking disk（31）Outer bottom be connected, jacking disk（31）Inner bottom surface
With helical spring（1）Top be connected, helical spring（1）Bottom and bottom tray（55）Inner bottom surface be in contact.
A kind of 5. commercial car front independent suspension system according to claim 4, it is characterised in that：The jacking disk（31）
Inner bottom surface through upper limit position block（32）With upper limit rubber（33）It is connected, bottom tray（55）Inner bottom surface through lower position block（34）
With lower limit rubber（35）It is connected, helical spring（1）Top, bottom be set in upper limit position block（32）, lower position block
（34）Outside, upper limit position block（32）, upper limit rubber（33）Vulcanization is integrated, lower position block（34）, lower limit rubber（35）
Vulcanization is integrated.
A kind of 6. commercial car front independent suspension system according to claim 5, it is characterised in that：The jacking disk
（31）, bottom tray（55）In inner bottom surface on helical spring（1）The position being in contact is respectively arranged with rubber pad（11）, under
Rubber pad（12）.
A kind of 7. commercial car front independent suspension system according to claim 4, it is characterised in that：The torsion-bar spring
（2）Axial line and vehicle frame（13）Fore-and-aft plane it is parallel, and torsion-bar spring（2）Positioned at wheel front end；The damper is total
Into（10）Held in face of wheel symmetrical centre.
A kind of 8. commercial car front independent suspension system according to claim 4, it is characterised in that：The pivot stud
（61）Drawing-in knuckle successively from top to bottom（6）, hollow cylinder（54）Inner cavity after and thrust bearing（62）It is connected, knuckle
（6）Diverted swing arm（63）With vehicle frame（13）The rack-and-pinion steering of interior setting（64）It is connected.
A kind of 9. commercial car front independent suspension system according to claim 1,2 or 3, it is characterised in that：The upper pendulum
Arm（7）Turns auxiliary shaft linear distance be less than or equal to lower swing arm（8）Turns auxiliary shaft linear distance, and in upper swing arm（7）, lower swing arm
（8）On be respectively arranged with counterbore groove（77）, sinking hole slot（87）.
A kind of 10. commercial car front independent suspension system according to claim 1,2 or 3, it is characterised in that：
The cam pin（9）Including preceding locking plate（91）, shank structure（92）, pin cap body（93）With rear locking plate（94）, it is described
Shank structure（92）Including sequentially connected locking cap（921）, key seat（922）, preceding axis pin（923）, middle axis pin（924）With rear pin
Axis（925）, locking cap（921）, key seat（922）, preceding axis pin（923）, middle axis pin（924）Inside offer same grease altogether
Mouth installation cavity（926）, middle axis pin（924）On offer and grease nipple installation cavity（926）The oilhole communicated（927）, rear pin
Axis（925）End face on offer axis pin connecting hole（928）, the pin cap body（93）Including sequentially connected locking lid（931）
With pin cap seat（932）, locking lid（931）On offer lid through hole（933）, pin cap seat（932）Inside offer the axis pin of perforation
It is inserted into hole（934）With with rear pin shaft（925）Insertion coordinates；
The preceding locking plate（91）Pan Bi on offer and upper right arm foot（73）The preceding connecting hole being connected（911）, preceding locking
Disk（91）Inside offer and locking cap（921）Carry out the preceding locking hole of locking cooperation（912）, the rear locking plate（94）'s
Offered on Pan Bi and upper right arm foot（73）The rear connecting hole being connected（941）, rear locking plate（94）Inside offer and lock
Tight lid（931）Carry out the rear locking hole of locking cooperation（942）, and axis pin connecting hole（928）With fixing bolt（95）One end phase
Connection, fixing bolt（95）Other end drawing-in lid through hole（933）Afterwards with locking lid（931）Outer wall be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460271.5A CN108001143B (en) | 2017-12-28 | 2017-12-28 | Front independent suspension system for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460271.5A CN108001143B (en) | 2017-12-28 | 2017-12-28 | Front independent suspension system for commercial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001143A true CN108001143A (en) | 2018-05-08 |
| CN108001143B CN108001143B (en) | 2023-05-12 |
Family
ID=62062145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711460271.5A Active CN108001143B (en) | 2017-12-28 | 2017-12-28 | Front independent suspension system for commercial vehicle |
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| Country | Link |
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| CN (1) | CN108001143B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591531A (en) * | 2018-11-09 | 2019-04-09 | 吴宗泽 | A kind of automobile chassis damping |
| CN110626137A (en) * | 2019-09-20 | 2019-12-31 | 中国第一汽车股份有限公司 | Rear suspension of heavy-load passenger car |
| CN110962923A (en) * | 2019-11-13 | 2020-04-07 | 北京建筑大学 | All-terrain suspension steering device |
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| JPH10193939A (en) * | 1997-01-14 | 1998-07-28 | Mitsubishi Motors Corp | Independent suspension for vehicle |
| CN101195333A (en) * | 2007-12-11 | 2008-06-11 | 中国三江航天工业集团公司 | Twisted bar heilical spring compound suspension frame device |
| CN204641299U (en) * | 2015-06-01 | 2015-09-16 | 石国祥 | Sliding-type automobile independent suspension system |
| CN205768442U (en) * | 2016-07-14 | 2016-12-07 | 山东丽驰新能源汽车有限公司 | A kind of vehicle rear suspension |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10193939A (en) * | 1997-01-14 | 1998-07-28 | Mitsubishi Motors Corp | Independent suspension for vehicle |
| CN101195333A (en) * | 2007-12-11 | 2008-06-11 | 中国三江航天工业集团公司 | Twisted bar heilical spring compound suspension frame device |
| CN204641299U (en) * | 2015-06-01 | 2015-09-16 | 石国祥 | Sliding-type automobile independent suspension system |
| CN205768442U (en) * | 2016-07-14 | 2016-12-07 | 山东丽驰新能源汽车有限公司 | A kind of vehicle rear suspension |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591531A (en) * | 2018-11-09 | 2019-04-09 | 吴宗泽 | A kind of automobile chassis damping |
| CN110626137A (en) * | 2019-09-20 | 2019-12-31 | 中国第一汽车股份有限公司 | Rear suspension of heavy-load passenger car |
| CN110962923A (en) * | 2019-11-13 | 2020-04-07 | 北京建筑大学 | All-terrain suspension steering device |
| CN110962923B (en) * | 2019-11-13 | 2021-12-14 | 北京建筑大学 | All-terrain suspension steering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108001143B (en) | 2023-05-12 |
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