CN208602259U - A kind of front axle device - Google Patents

Abstract

The utility model relates to a kind of front axle devices, belong to vehicle part technical field.Including front-axle beam assembly, two wheel side assemblies, two vibration damper assemblies, wheel side assembly, vibration damper assembly are respectively symmetrically equipped with outside front-axle beam assembly two sides；The front axle device is the horizontal double fork arm type equal front-axle structures of monolithic leaf spring, it further includes two upper yoke assemblies, two lower fork arm assemblies and monolithic leaf spring, front-axle beam assembly two side ends are symmetrically arranged with a upper yoke assembly and a lower fork arm assembly, upper and lower yoke assembly one end is connected respectively front-axle beam assembly side, the upper and lower yoke assembly other end is connected respectively wheel side assembly upper and lower end, vibration damper assembly is connected in the middle part of front-axle beam assembly side by its upper bushing, and vibration damper assembly is connected on lower fork arm assembly by its lower bushing；The horizontal monolithic leaf spring of front-axle beam assembly cavity arrangements；The above structure is simple, and space layout is small, reaches lightweight purpose, can position front-wheel parameter as early as possible, enhances reliability and stability.

Description

A kind of front axle device

Technical field

The utility model relates to a kind of front axle devices, belong to vehicle part technical field.

Background technique

According to the applicant understood: a kind of existing torsion-bar spring double wish-bone arm type front axle device, by front-axle beam assembly 1-1, upper connecting rod Assembly 2-1, torsion-bar spring 3-1, upper swing arm assembly 4-1, vibration damper assembly 5-1, wheel side assembly 6-1, bottom arm assembly 7-1, under The fixed bracket 9-1 of rod assembly 8-1, pull rod is constituted, and torsion-bar spring 3-1 is as elastic element, upper swing arm assembly 4-1, lower swing arm Assembly 7-1, upper connecting rod assembly 2-1, lower rod assembly 8-1 are as front axle device guiding mechanism；Take turns side assembly 6-1 and front-axle beam assembly 1-1 fixes bracket 9-1 and upper swing arm assembly 4-1, lower swing arm by upper swing arm assembly 4-1, the 7-1 connection of bottom arm assembly, pull rod Assembly 7-1 is fixed on one end front-axle beam assembly 1- by upper connecting rod assembly 2-1, lower rod assembly 8-1 connection, vibration damper assembly 5-1 1, the other end is connect with bottom arm assembly 7-1, and torsion-bar spring 3-1 is fixed on one end front-axle beam assembly 1-1.In the double transverse arms of torsion-bar spring When formula front axle device and vehicle assemble, the fixed bracket 9-1 and torsion-bar spring 3-1 of front-axle beam assembly 1-1, pull rod is connect with vehicle frame.When Torsion-bar spring double wish-bone arm type front axle device after the assembly is completed, needs to adjust suspension height by torsion-bar spring 3-1 under whole vehicle state, And adjustment front-wheel camber, back rake angle and toe-in.It will be apparent that torsion-bar spring double wish-bone arm type front axle device exists, structure is complicated, The disadvantages of adjustment is cumbersome, assembly precision requires high and arrangement space big.Therefore it is unfavorable for light-weight design theory etc. more More to become trend, product competitiveness cannot be promoted.

Summary of the invention

The purpose of the utility model is to provide a kind of front axle device, structure is simple, adjustment is simplified, space layout is small, can The various parameters of front-wheel are accurately positioned, lateral stiffness is big, effectively enhances the reliability and stability of suspension entirety.

In order to reach the goals above, a kind of front axle device of the utility model, including front-axle beam assembly, two wheel side assemblies, Two vibration damper assemblies are respectively symmetrically equipped with wheel side assembly, vibration damper assembly outside front-axle beam assembly two sides；It is characterized by: The lightweight front axle device is the horizontal double fork arm type equal front-axle structures of monolithic leaf spring, further includes yoke assemblies on two, under two Yoke assembly and monolithic leaf spring, the front-axle beam assembly two side ends are symmetrically arranged with a upper yoke assembly and a lower yoke is total At upper and lower yoke assembly one end is connected respectively front-axle beam assembly side, and the upper and lower yoke assembly other end is connected respectively Side assembly upper and lower end is taken turns, the vibration damper assembly is connected in the middle part of front-axle beam assembly side by its upper bushing, vibration damper assembly It is connected on lower fork arm assembly by its lower bushing；The horizontal monolithic leaf spring of front-axle beam assembly cavity arrangements.

Further, the front-axle beam assembly is in left and right symmetrical structure, and the front-axle beam assembly includes crossbeam, crossbeam two side ends Yoke mounting rack and damper connecting bracket, the yoke mounting rack, damper connecting bracket be located on crossbeam side； The yoke mounting frame is at longitudinal strip cavity and is located at the left and right outside of crossbeam side, according in left and right cavity wall, Opposite bolt hole is issued respectively in lower end；The damper connecting bracket is located at the middle part of crossbeam side, constitutes upper end opening chamber Road, the opposing sidewalls upper end of cavity each extend over lifting lug, issue on lifting lug corresponding with left and right vibration damper assembly upper bushing central axis The through-hole of grafting.

Further, the upper and lower yoke assembly is " A " shape, and it is cyclic annular with respect to two prongs and the other side to form side Head has transverse center through-hole in bushing wherein two prongs are cylinder bush structure；It is inserted into respectively by bolt upper and lower Yoke assembly prong bushing transverse center through-hole and the opposite bolt hole for connecting yoke mounting rack upper and lower end；I.e. each upper yoke is total Pass through bolt respectively at two prongs to be correspondingly connected in yoke mounting rack upper end, each upper yoke assembly toroidal head portion is connected by ball pin It taper hole and is fixed through nut on wheel side assembly outside front-axle beam assembly two sides；Each two prong of lower fork arm assembly is corresponding by bolt respectively It is connected to yoke mounting rack lower end, each lower fork arm assembly toroidal head portion connects the wheel side assembly outside front-axle beam assembly two sides by ball pin Lower cone hole is simultaneously fixed through nut；Each vibration damper assembly upper bushing central axis both ends correspond to be led on grafting damper connecting bracket lifting lug Hole, bushing is correspondingly connected on the connection frame of each lower fork arm assembly neck through bolt under each vibration damper assembly；The front-axle beam assembly Steering assembly is assembled in crossbeam side, and the steering assembly passes through connecting hole thereon respectively, and through bolt to be connected in the front-axle beam total At on crossbeam, the left and right end ball pin of steering assembly is connect with taper hole in the wheel side assembly in the left and right outside of front-axle beam assembly respectively.

Further, the connection frame is the " u "-shaped bracket of certain altitude of raising upward, yoke under the integrally connected of bottom Assembly neck；" u "-shaped carrier openings end is respectively corresponded on " u "-shaped wall and is provided with through-hole towards two prongs, by corresponding logical Hole is connect with bushing under the vibration damper assembly in the left and right outside of front-axle beam assembly respectively through bolt.

Further, the monolithic leaf spring is variable cross-section single-leaf spring, and left and right side installs stationary fixture additional, described Stationary fixture includes upper elastic cushion block, lower elastic cushion block, has bolt hole bracket at the top of the upper elastic cushion block, described upper and lower Elastic cushion block generally " several " font and two sides stabilizer blade is all had, by being correspondingly connected with upper and lower elastic cushion block stabilizer blade for monolithic steel Flat spring clamping connection is solid by bolt respectively by the strap bolt hole bracket at the top of each upper elastic cushion block between upper and lower elastic cushion block It is connected on crossbeam；The single-leaf spring two side ends install bumper block additional, and the bumper block is flat including rubber from top to down Platform, platform base and bottom tongue, the single-leaf spring both ends are respectively placed in the rubber platform of two side ends bumper block It goes up and passes through each bottom tongue correspondence and be plugged in each lower fork arm assembly neck fovea superior chamber bottom through-hole.

Further, the " u "-shaped bracket and the cavity are located at lower fork arm assembly neck upper and lower position, described " u "-shaped bracket is integrated with the cavity to be connected.

Further, each upper and lower yoke is always integrally formed punch forming, and distance is greater than upper yoke between lower fork arm assembly prong Distance between assembly prong.

Further the front-axle beam assembly side ipsilateral with single-leaf spring is equipped with engine support frame assembly.

Further, the outside of the yoke mounting rack, damper connecting bracket that depend on front-axle beam assembly both ends respectively is equipped with Stiffening plate.

The utility model has the beneficial effects that the front axle device after being assembled on vehicle, only need to adjust toe-in, remaining four-wheel Positional parameter is guaranteed that adjustment is simplified by components itself；Reduce vehicle space layout, while light-weight, reaches assembly lightweight Purpose.Front axle device design is simple, easy to assembly, and production efficiently, using reliable, and easy disassembly and maintenance, meets vehicle The development & production requirement of component.

Detailed description of the invention

The utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the structural schematic diagram of the prior art.

Fig. 2 is the embodiments of the present invention schematic diagram.

Fig. 3 is each exploded sketch in Fig. 2.

Fig. 4 is preceding beam assembly structure schematic diagram in the embodiments of the present invention.

Fig. 5 is upper yoke structural schematic diagram in the embodiments of the present invention.

Fig. 6 is lower yoke structure schematic diagram in the embodiments of the present invention.

Fig. 7 is that assembly structure schematic diagram in side is taken turns in the embodiments of the present invention.

Fig. 8 is vibration damper assembly structural schematic diagram in the embodiments of the present invention.

Fig. 9 is diverter assembly structure schematic diagram in the embodiments of the present invention.

Figure 10 is variable cross-section single-leaf spring structural schematic diagram in the embodiments of the present invention.

Figure 11 is upper elastic cushion block structural schematic diagram in the embodiments of the present invention.

Figure 12 is lower elastic cushion block structural schematic diagram in the embodiments of the present invention.

Figure 13 is bumper block structural schematic diagram in the embodiments of the present invention.

Specific embodiment

Embodiment one

A kind of front axle device of the utility model, structure are implemented as shown in Fig. 2-13, including front-axle beam assembly 1, two wheel Assembly 2, two vibration damper assemblies 3 in side are respectively symmetrically equipped with wheel side assembly 2, vibration damper assembly 3 outside 1 two sides of front-axle beam assembly；This is light Quantization front axle device is the horizontal double fork arm type equal front-axle structures of monolithic leaf spring, further includes two upper 4, two lower yokes of yoke assembly Assembly 5 and monolithic leaf spring 6, leaf spring are front axle device elastic element, and it is total that 1 two side ends of front-axle beam assembly are symmetrically arranged with a upper yoke At 4 and a lower fork arm assembly 5, upper yoke assembly 4, lower fork arm assembly 5 are front axle device guiding mechanism, upper and lower yoke assembly One end is connected respectively 1 side of front-axle beam assembly, and it is upper and lower that the upper and lower yoke assembly other end is connected respectively wheel side assembly 2 End, vibration damper assembly 3 are connected in the middle part of 1 side of front-axle beam assembly by its upper bushing 31, and the lower bushing 32 of vibration damper assembly 3 connects By on its lower fork arm assembly 5；The horizontal monolithic leaf spring of 1 cavity arrangements of front-axle beam assembly.

In embodiment, in conjunction with Fig. 3, Fig. 4: front-axle beam assembly 1 be in left and right symmetrical structure, front-axle beam assembly 1 include crossbeam 11, Yoke mounting rack 12, damper connecting bracket 13, yoke mounting rack 12, damper connecting bracket 13 are located at 11 side of crossbeam On；Yoke mounting rack 12 constitutes by longitudinal cavity and is located at the left and right outside of 11 side of crossbeam, according in left and right cavity wall, Opposite bolt hole 121 is issued respectively in lower end；Damper connecting bracket 13 is located at the middle part of 11 side of crossbeam, constitutes upper end opening Cavity, the opposing sidewalls upper end of cavity respectively on prolong lifting lug, issued on lifting lug and left and right 3 upper bushing of vibration damper assembly, 31 center Axis corresponds to the through-hole 311 of grafting.In conjunction with Fig. 3, Fig. 5, Fig. 6: upper yoke assembly 4, lower fork arm assembly 5 are " A " shape, and form one Side has in transverse direction in bushing 41 with respect to two prongs and other side toroidal head portion wherein two prongs are 41 structure of cylinder bushing Heart through-hole；Upper and lower 41 transverse center through-hole of yoke assembly prong bushing is inserted by bolt respectively and connects yoke mounting rack 12 The opposite bolt hole 121 of upper and lower end；I.e. each 4 liang of prongs of upper yoke assembly pass through bolt respectively and are correspondingly connected in yoke mounting rack 12 upper ends, each upper 4 toroidal head portion of yoke assembly by ball pin 42 connect 1 two sides of front-axle beam assembly outside wheel side assembly 2 on taper hole simultaneously It is fixed through nut；5 liang of prongs of each lower fork arm assembly pass through bolt respectively and are correspondingly connected in 12 lower end of yoke mounting rack, such as Fig. 3, figure 7, shown in Fig. 8, Fig. 9；Each upper 4 toroidal head portion of yoke assembly is connected by ball pin 42 on the wheel side assembly 2 outside 1 two sides of front-axle beam assembly Taper hole 21 is simultaneously fixed through nut；5 liang of prongs of each lower fork arm assembly are bolted on yoke mounting rack 12, and each lower yoke is total 2 lower cone hole 22 of wheel side assembly outside 1 two sides of front-axle beam assembly is connected by ball pin 42 at 5 toroidal head portions and is fixed through nut；Respectively subtract Shake 3 upper bushing of device assembly, 31 central axis both ends correspond to through-hole 311 on 13 lifting lug of grafting damper connecting bracket, each vibration damper assembly 3 lower bushings 32 are correspondingly connected on the connection frame of each 5 neck of lower fork arm assembly through bolt, in the present embodiment, connection frame be to The " u "-shaped bracket 51 of upper protrusion certain altitude, 5 neck of bottom integrally connected lower fork arm assembly；51 open end court of " u "-shaped bracket To two prongs, is respectively corresponded on " u "-shaped wall and be provided with through-hole 511, left with front-axle beam assembly 1 respectively through bolt by corresponding through-hole 511, The lower bushing 32 of right lateral vibration damper assembly 3 connects；Assemble steering assembly 7, steering assembly in 1 crossbeam of front-axle beam assembly, 11 side 7 are connected on 1 crossbeam 11 of front-axle beam assembly by connecting hole 71 thereon through bolt respectively, and the left and right end ball pin 72 of steering assembly 7 is divided It is not connect with taper hole 23 in the wheel side assembly 2 in the left and right outside of front-axle beam assembly 1, final assembling is as shown in Figure 2.

Monolithic leaf spring is variable cross-section single-leaf spring 6, shown in structure chart 10, and combines Figure 11, Figure 12, Figure 13: single 6 left and right side of piece leaf spring installs stationary fixture additional, and stationary fixture includes upper elastic cushion block 8, lower elastic cushion block 9, upper elastic cushion block 8 tops have bolt hole bracket 81, upper and lower elastic cushion block generally " several " font and all have two sides stabilizer blade, pass through corresponding connect Upper and lower elastic cushion block stabilizer blade is connect by 6 clamping connection of single-leaf spring between upper and lower elastic cushion block, by each upper 8 top of elastic cushion block Strap bolt hole bracket 81 be connected on crossbeam 11 by bolt respectively；6 two side ends of single-leaf spring install bumper block 10 additional, Bumper block 10 includes rubber platform 101, platform base 102 and bottom tongue 103,6 both ends of single-leaf spring from top to down Portion is respectively placed on the rubber platform 101 of two side ends bumper block 10 and is plugged in each lower fork by each bottom tongue 103 correspondence 52 bottom through-hole 53 of cavity on 5 neck of arm assembly.In conjunction with Fig. 6: to ensure the entire dress of front-axle beam assembly 1, adjusting and simplify, " u "-shaped bracket 51 are located at 5 neck upper and lower position of lower fork arm assembly with cavity 52, and " u "-shaped bracket 51 is integrated with cavity 52 to be connected, with this Increase stability.In conjunction with Fig. 5 and Fig. 6: each upper and lower yoke is always integrally formed punch forming, and distance is big between 5 prong of lower fork arm assembly The distance between upper 4 prong of yoke assembly.Simultaneously to reinforce 1 stability of front-axle beam assembly, in conjunction with Fig. 3 and Fig. 4: it is total to depend on front-axle beam respectively It is ipsilateral equipped with stiffening plate 14 and single-leaf spring 6 at the outside of the yoke mounting rack 12 at both ends, damper connecting bracket 13 1 side of front-axle beam assembly is equipped with engine support frame assembly 15.Thus, it, should compared with Fig. 1 torsion-bar spring double wish-bone arm type front axle device Front-wheel parameter can be precisely located in double yoke front axle devices, and lateral stiffness is larger, and the inclination of turning is small.This preceding bridge dress It sets, size can also be reformulated according to field condition；Light-weight compared with prior art Fig. 1, cost is also low, and stability is strong, convenient Assembly and maintenance, meet production matching requirements.More important: the front axle device is the horizontal double fork arm type equal front-axle structures of monolithic leaf spring, It can be widely applied in all kinds of commercial vehicles, suitability is strong, and application prospect is also very wide.

In addition to the implementation, the utility model patent can also have other embodiment.It is all to use equivalent replacement or wait Effect transformation formed technical solution, all fall within the requires of the utility model protection in the range of.

Claims (8)

1. a kind of front axle device, including front-axle beam assembly, two wheel side assemblies, two vibration damper assemblies, front-axle beam assembly two sides It is respectively symmetrically equipped with wheel side assembly, vibration damper assembly outside；It is characterized by: the front axle device is the horizontal double fork arm type equals of monolithic leaf spring Front-axle structure further includes two upper yoke assemblies, two lower fork arm assemblies and monolithic leaf spring, the front-axle beam assembly two side ends It is symmetrically arranged with a upper yoke assembly and a lower fork arm assembly, upper and lower yoke assembly one end is connected respectively front-axle beam assembly Side, the upper and lower yoke assembly other end are connected respectively wheel side assembly upper and lower end, and the vibration damper assembly by serving as a contrast thereon On set is connected in the middle part of front-axle beam assembly side, vibration damper assembly is connected on lower fork arm assembly by its lower bushing；The front-axle beam The horizontal monolithic leaf spring of assembly cavity arrangements.

2. a kind of front axle device as described in claim 1, it is characterised in that: the front-axle beam assembly is in left and right symmetrical structure, institute Stating front-axle beam assembly includes crossbeam, the yoke mounting rack of crossbeam two side ends and damper connecting bracket, the yoke mounting rack, damping Device connecting bracket is located on crossbeam side；The yoke mounting frame is at longitudinal strip cavity and is located at crossbeam side Left and right outside, issue opposite bolt hole respectively according to left and right cavity wall upper and lower end；The damper connecting bracket is located at crossbeam The middle part of side constitutes upper end opening cavity, and the opposing sidewalls upper end of cavity each extends over lifting lug, issued on lifting lug with it is left, Right vibration damper assembly upper bushing central axis corresponds to the through-hole of grafting.

3. a kind of front axle device as claimed in claim 2, it is characterised in that: the upper and lower yoke assembly is " A " shape, and Forming side has laterally in bushing with respect to two prongs and other side toroidal head portion wherein two prongs are cylinder bush structure Central through hole；Upper and lower yoke assembly prong bushing transverse center through-hole is inserted by bolt respectively and is connected on yoke mounting rack, The opposite bolt hole of lower end；I.e. each upper two prong of yoke assembly passes through bolt respectively and is correspondingly connected in yoke mounting rack upper end, respectively Upper yoke assembly toroidal head portion is connected taper hole on the wheel side assembly outside front-axle beam assembly two sides by ball pin and fixed through nut；Under each Two prong of yoke assembly passes through bolt respectively and is correspondingly connected in yoke mounting rack lower end, and each lower fork arm assembly toroidal head portion passes through ball Wheel side assembly lower cone hole outside pin connection front-axle beam assembly two sides is simultaneously fixed through nut；Each vibration damper assembly upper bushing central axis both ends Through-hole on grafting damper connecting bracket lifting lug is corresponded to, bushing is correspondingly connected with total in each lower yoke through bolt under each vibration damper assembly At on the connection frame of neck；Steering assembly is assembled in the front-axle beam assembly crossbeam side, and the steering assembly passes through it respectively Upper connecting hole is connected on the front-axle beam assembly crossbeam through bolt, the left and right end ball pin of steering assembly is left with front-axle beam assembly respectively, Taper hole connects in the assembly of right lateral wheel side.

4. a kind of front axle device as claimed in claim 3, it is characterised in that: the connection frame is the certain altitude that raises upward " u "-shaped bracket, bottom integrally connected lower fork arm assembly neck；" u "-shaped carrier openings end two prongs of direction, " u "-shaped wall On respectively correspond and be provided with through-hole, served as a contrast respectively under the vibration damper assembly in the left and right outside of front-axle beam assembly by corresponding through-hole through bolt Set connection.

5. a kind of front axle device as described in claim 1, it is characterised in that: the monolithic leaf spring is variable cross-section single steel plate bullet Spring, left and right side install stationary fixture additional, and the stationary fixture includes upper elastic cushion block, lower elastic cushion block, the upper elastic cushion block Top has bolt hole bracket, the upper and lower elastic cushion block generally " several " font and all has two sides stabilizer blade, passes through corresponding connect Upper and lower elastic cushion block stabilizer blade is connect by single-leaf spring clamping connection between upper and lower elastic cushion block, at the top of each upper elastic cushion block Strap bolt hole bracket passes through bolt respectively and is connected on crossbeam；The single-leaf spring two side ends install bumper block additional, described Bumper block includes rubber platform, platform base and bottom tongue from top to down, and the single-leaf spring both ends are set respectively In on the rubber platform of two side ends bumper block and by each bottom tongue correspondence be plugged in cavity on each lower fork arm assembly neck Bottom through-hole.

6. a kind of front axle device as described in claim 1, it is characterised in that: each upper and lower yoke is always integrally formed punch forming, Distance is greater than distance between upper yoke assembly prong between lower fork arm assembly prong.

7. a kind of front axle device as claimed in claim 5, it is characterised in that: and the ipsilateral front-axle beam assembly side of single-leaf spring Hold equipped engine support frame assembly.

8. a kind of front axle device as described in claim 1, it is characterised in that: depend on the yoke installation at front-axle beam assembly both ends respectively Frame, damper connecting bracket outside be equipped with stiffening plate.