CN104709061B - Large horse power engine suspension system of off-road vehicle - Google Patents

Large horse power engine suspension system of off-road vehicle Download PDF

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Publication number
CN104709061B
CN104709061B CN201510041186.XA CN201510041186A CN104709061B CN 104709061 B CN104709061 B CN 104709061B CN 201510041186 A CN201510041186 A CN 201510041186A CN 104709061 B CN104709061 B CN 104709061B
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assembly
suspension
bracket assembly
support assembly
suspending
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CN201510041186.XA
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CN104709061A (en
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李旭虎
李晓波
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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Abstract

The invention relates to a large horse power engine suspension system of an off-road vehicle. The large horse power engine suspension system comprises a front engine suspension body and a rear engine suspension body. The front engine suspension body comprises a front left suspension support assembly, a front right suspension support assembly and front damping rubber supporting assemblies, and the front damping rubber supporting assemblies are installed on the front left suspension support assembly and the front right suspension support assembly respectively. The rear engine suspension body comprises a cushion plate, a rear left suspension support assembly, a rear right suspension support assembly, wedge-shaped bearing assemblies, a rear left bearing bracket assembly and a rear right bearing bracket assembly, the rear left suspension support assembly and the rear right suspension support assembly are fixed to the rear ends of front axle central faces on the corresponding outer sides of a frame respectively, and the wedge-shaped bearing assemblies are installed on the rear left suspension support assembly and the rear right suspension support assembly respectively and provided with the corresponding rear left bearing bracket assembly and the corresponding rear right bearing bracket assembly respectively. Thus, the large horse power engine suspension system can be firmly fixed to the part, below a cab, of the frame, and is easy to assemble, high in structural strength and good in stability. Furthermore, the large horse power engine suspension system is simple in structure, easy to manufacture and high in adaptability to manufacturing errors, and installation of engines of different levels of horse power is facilitated.

Description

A kind of offroad vehicle high-powered engine suspension system
Technical field
The present invention relates to a kind of car engine suspension field, particularly a kind of offroad vehicle high-powered engine suspension system System.
Background technology
Existing heavy-duty car mostly is cab over engine, and under-cab is refrigerating module and the electromotor of automobile, cooling Module is arranged on engine front, and electromotor is arranged on the frame inside of under-cab.The suspension of electromotor is typically adopted With welding on front tubular cross bearer, swash plate fixes front snubber block, back suspension device of engine is consolidated using cast member connecting vehicle frame medial slope Damping device after fixed.When heavy off-road vehicle needs high-powered electromotor, because the profile ratio of high-powered engine is larger, Frame inside installs the limited space of electromotor it is easy to lead to back suspension device of engine cannot be arranged on frame inside, or Rear-suspending foundry goods reduces intensity to meet installation, more even so that electromotor cannot be installed, and this brings to engine assembly work Greatly trouble and difficulty.Thus lead to delay work, overdue, bring economic loss to automobile production producer.
Adopting tubular cross bearer current heavy off-road vehicle engine front mounting, the foundry goods of the built-in frame inside of rear-suspending more Electromotor to be installed.When offroad vehicle needs the electromotor of high-power, this structure just seems that installing space is short of and not enough, The shortcoming of this structure is:
(1) the bend pipe crossbeam mismachining tolerance in tubular cross bearer is big, and coroner is difficult to proofread the size of accurate finished parts, easily leads Cause engine assembly improper;
(2) in tubular cross bearer, the welding of swash plate is difficult to accurately, manufacture difficult;
(3) between under-cab vehicle frame, the installing space of electromotor is narrow and small, has very big difficulty using foundry goods.
And same vehicle changes the electromotor of different horsepower, engine mounting just cannot be general, general low degree.
Content of the invention
The invention provides a kind of highly versatile, easily manufacture, to install simple, low cost, good stability offroad vehicle big Horsepower engine suspends.
The present invention is achieved through the following technical solutions:
A kind of offroad vehicle high-powered engine suspension system, including the forward and backward suspension of electromotor, described engine front mounting Including the left and right bracket assembly of front-suspension and front yielding rubber support assembly, the left and right bracket assembly of front-suspension is separately fixed at accordingly Hold in face of the front axle centre of frame inside, the left and right bracket assembly of front-suspension is respectively mounted front yielding rubber support assembly;Described Back suspension device of engine includes backing plate, the left and right bracket assembly of rear-suspending, wedge shape support assembly and left and right rear support bracket assembly, after Suspend the front axle centre surface rear end that left and right bracket assembly is separately fixed at corresponding frame outside, on the left and right bracket assembly of rear-suspending It is mounted on wedge shape support assembly, this wedge shape support assembly is respectively provided with left and right rear support bracket assembly accordingly.
The present invention includes the left and right bracket assembly of front-suspension, front yielding rubber support assembly, backing plate, the left and right support of rear-suspending Assembly, wedge shape support assembly and left and right rear support bracket assembly.The left and right bracket assembly of front-suspension adopts the common of different size Steel plate is welded, and the left and right bracket assembly of front-suspension is fixed on the frame inside of under-cab respectively by screw bolt and nut, Fix front yielding rubber support assembly with bolt on the left and right bracket assembly of front-suspension, then be bolted electromotor front portion Support, the installation completing engine front mounting is fixed;Backing plate adopt common 6mm steel plate, the left and right bracket assembly of rear-suspending, Left and right rear support bracket assembly is all welded using the general steel plate of different size, backing plate and the left and right bracket assembly of rear-suspending It is fixed on the frame outside of under-cab by screw bolt and nut, the left and right bracket assembly of rear-suspending installs wedge shape by bolt Support assembly, wedge shape support assembly installs left and right rear support bracket assembly by bolt, then sends out by screw bolt and nut is fixing The support at motivation rear portion, the installation completing back suspension device of engine is fixed, thus the installation completing high-powered engine is fixed.
In order to adapt to the installation of the electromotor of various difference horsepower, employ before and after electromotor installed by standard component and suspend, lead to Cross the adjustment left and right bracket assembly of front-suspension and left and right rear support bracket assembly to realize the installation of different horsepower engine suspensions Fixing.
In order to solve high-powered engine installing space, assemble summary, back suspension device of engine adopts screw bolt and nut even It is connected on the form of frame outside fixation to be installed.
For Stability Analysis of Structures, firm, the left and right bracket assembly of front-suspension, the left and right bracket assembly of rear-suspending and left and right rear Support bracket assembly is all welded using steel plate bending, and assembly many places increased reinforcement, the wherein left and right support of rear-suspending Assembly all includes L-type bending steel plate, and L-type bending steel plate welds two reinforcements;The left and right bracket assembly of front-suspension all includes two The steel plate of individual difference bending form and the reinforcement gusset in the middle of two steel plates, steel plate and reinforcement gusset are by being welded to one Body;Left and right rear support bracket assembly all includes a riser and a horizontal plate, and horizontal plate is welded on riser, horizontal plate with Be welded with reinforcement between riser, across vehicle frame, riser is located at the inner side of vehicle frame to described horizontal plate, the screw on riser with corresponding Screw on the left and right bracket assembly of rear-suspending corresponds to, and front yielding rubber support assembly and wedge shape support assembly are all using existing Ripe bulk article, wherein, wedge shape support assembly includes V-shaped block and the V-shaped cell body being adapted with V-shaped block, V-shaped block Fixed in insertion V-shaped cell body and by stay bolt, nut and rectangular gasket, setting between V-shaped block and V-shaped cell body can be pressed The V-shaped block rubber of contracting.Front yielding rubber support assembly is by two bending steel plates, compressible block rubber, a positioning Pin, three special nuts, three taper patch compositions, two steel plate grafting form rectangular configuration, arrange compressible between two steel plates Block rubber.
Simple for the ease of processing and fabricating, each described front-suspension left socle assembly and front suspension right bracket assembly, after Suspension left socle assembly and rear-suspending right support assembly, left back frame support bracket assembly and right rear support bracket assembly all with vehicle in Heart face is symmetrical, and each assembly is all completed in the form of welding.
For the ease of drawing materials, reduce manufacturing cost, the left and right bracket assembly of described front-suspension, the left and right support of rear-suspending are total Become with each single-piece in left and right rear support bracket assembly all using general steel plate.
Each described assembly connects all to be fixed using different model screw bolt and nut, assembles simple, quick detachable, stability Good, the material that each bracket assembly is selected is steel plate, and low cost, versatility are good.
Beneficial effect of the present invention:The present invention adopts the left and right bracket assembly of front-suspension, two front yielding rubber support assembly groups Become engine front mounting.Two backing plates, the left and right bracket assembly of rear-suspending, two wedge shape support assemblies and left and right rear support bracket Assembly forms back suspension device of engine.Engine front mounting is fixed on frame inside by bolt, nut, and back suspension device of engine passes through Bolt, nut are fixed on frame outside.Lifting electromotor, completes to fix by bolt.Make the fixation that the present invention can be firm On the vehicle frame of under-cab, assembling is simple, and itself has higher structural strength, good stability again.And the present invention Structure is simple, easily fabricated, to foozle strong adaptability, is easily installed the electromotor of different horsepower.
Brief description
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the engine mounting schematic diagram of the present invention;
In figure:1 vehicle frame, 2 front-suspension left socle assemblies, 3 front suspension right bracket assemblies, yielding rubber support assembly before 4,5 Left back frame support bracket assembly, 6 right rear support bracket assemblies, 7 rear-suspending left socle assemblies, 8 rear-suspending right support assemblies, 9 wedge shapes Support assembly, 10 backing plates, 11 bolts, 12 nuts.
Specific embodiment
A kind of specific embodiment as shown in Figure 1, including front-suspension left socle assembly 2, front suspension right bracket assembly 3, a left side Rear support bracket assembly 5, right rear support bracket assembly 6, rear-suspending left socle assembly 7, rear-suspending right support assembly 8, backing plate 10 The steel plate bending being different size is welded, all existing maturation of front yielding rubber support assembly 4, wedge shape support assembly 9 Bulk article.
Front-suspension left socle assembly 2, front suspension right bracket assembly 3 are symmetrical with regard to vehicle center face, and each assembly adopts two Individual bending steel plate and middle reinforced rib plate weld form.
Engine front mounting passes through bolt 11 and right of nut 12 connecting vehicle frame 1, front-suspension left socle assembly 2, front-suspension Frame assembly 3 and front yielding rubber support assembly 4 complete to install.
Left back frame support bracket assembly 5, right rear support bracket assembly 6, rear-suspending left socle assembly 7, rear-suspending right support are total Become 8 with regard to vehicle center face symmetrically, left back frame support bracket assembly 5 and right rear support bracket assembly 6 all include a riser and one Individual horizontal plate, horizontal plate is welded on riser, is welded with reinforcement between horizontal plate and riser, described horizontal plate across vehicle frame 1, Riser is located at the inner side of vehicle frame 1, the left and right bracket assembly 7 with corresponding rear-suspending of the screw on riser, and the screw on 8 corresponds to, and erects Plate, horizontal plate, reinforcement are respectively three steel plates having dimensions.
Rear-suspending left socle assembly 7 and rear-suspending right support assembly 8 are all done using a L-type steel plate and two general steel plates The triangle reinforcement becoming is welded.
Back suspension device of engine passes through bolt 11 and nut 12 connection backing plate 10, vehicle frame 1, rear-suspending left socle assembly 7, rear overhang Put right support assembly 8, wedge shape support assembly 9 and left back frame support bracket assembly 5, installation that right rear support bracket assembly 6 completes.
Manufacture method:First according to dimensional requirement make two bending steel plates in the left and right bracket assembly of front-suspension and One middle reinforced rib plate, then welds successively according to dimensional requirement and completes front-suspension left socle assembly 2 and front suspension right bracket Assembly 3;Make three in left and right rear support bracket assembly and the left and right bracket assembly of rear-suspending further according to dimensional requirement respectively Individual steel plate, L-type steel plate, two triangle reinforcements, welding three above steel plate completes left back frame support bracket assembly 5 With right rear support bracket assembly 6, then weld a L-type steel plate, two triangle reinforcements complete rear-suspending left socle assembly 7 and Rear-suspending right support assembly 8;A series of bolt 11 finally by different sizes and nut 12 complete suspension before and after electromotor Manufacture.
Using method:First pass through bolt left and right rear support bracket assembly is arranged on flywheel shell of engine, front subtracted Shake rubber assembly 4 is arranged on front-suspension left socle assembly 2 and front suspension right bracket assembly 3 by bolt respectively, passes through Engine front mounting is fixed on inside the vehicle frame 1 of under-cab screw bolt and nut, then wedge shape support assembly 9 is passed through respectively Bolt is arranged on rear-suspending left socle assembly 7 and rear-suspending right support assembly 8, and backing plate 10 and back suspension device of engine are passed through spiral shell Screw bolt and nut is fixed on outside the vehicle frame 1 of under-cab, electromotor of slinging, and allows left back frame support bracket assembly 5 and right rear support Bolt mounting holes on bracket assembly 6 are aligned on the installing hole of wedge shape support assembly 9 of vehicle frame 1 both sides, stamp bolt, but do not beat Tightly, then slowly put down electromotor, the hole on yielding rubber support assembly 4 before the hole be aligned allowing on engine front overhang support, beat Upper bolt, when the equal no problem of installing hole, can urgent bolt, the installation completing electromotor fixes.
The present invention, assembly space is narrow and small for the suspension of existing offroad vehicle high-powered engine, mounting structure complicated loaded down with trivial details, The shortcomings of assembling is difficult, processing technology requires too high, proposes a kind of novel solution:In cross-country automobile chassis under-cab A series of bolts are passed through on the inner side of frame assembly and outer prism and nut connection high-powered engine front-suspension left socle is total Become 2 and front suspension right bracket assembly 3, front yielding rubber support assembly 4, backing plate 10, rear-suspending left socle assembly 8 and the rear-suspending right side The assembling of the parts such as bracket assembly 8, wedge shape support assembly 9, left back frame support bracket assembly 5 and right rear support bracket assembly 6 completes to send out The installation of motivation suspension, then lift high-powered engine, on yielding rubber support assembly 4 and wedge shape support assembly 9 before fixing Bolt and nut, complete the installation of electromotor.This type of attachment is simple, good stability, assembling is simple, dismounting and change is convenient, become This is low, versatility is good.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one The scope the widest causing.

Claims (5)

1. a kind of offroad vehicle high-powered engine suspension system, including electromotor forward and backward suspension it is characterised in that:Electromotor Front-suspension includes the left and right bracket assembly of front-suspension and front yielding rubber support assembly, and the left and right bracket assembly of front-suspension is fixed respectively Hold in face of the front axle centre of corresponding frame inside, the left and right bracket assembly of front-suspension is respectively mounted front yielding rubber and always supports Become;Described back suspension device of engine includes backing plate, the left and right bracket assembly of rear-suspending, wedge shape support assembly and left and right rear support bracket Assembly, the left and right bracket assembly of rear-suspending is separately fixed at the front axle centre surface rear end of corresponding frame outside, left and right of rear-suspending Wedge shape support assembly is mounted on frame assembly, this wedge shape support assembly is respectively provided with left and right rear support bracket accordingly total Become;
Front-suspension left socle assembly and front suspension right bracket assembly, rear-suspending left socle assembly and rear-suspending right support assembly, a left side Rear support bracket assembly and right rear support bracket assembly are all symmetrical with regard to autocentre face;
The left and right bracket assembly of front-suspension all includes the steel plate of two different bending forms and is located at the reinforcement in the middle of two steel plates Plate, steel plate passes through to be welded to be integrated with strengthening gusset,
Wherein, described backing plate and the left and right bracket assembly of rear-suspending are fixed on outside the vehicle frame of under-cab by screw bolt and nut Side.
2. offroad vehicle high-powered engine suspension system according to claim 1 it is characterised in that:Front yielding rubber props up Support assembly includes two bending steel plates, and two steel plate grafting form rectangular configuration, arrange compressible block rubber between two steel plates.
3. offroad vehicle high-powered engine suspension system according to claim 2 it is characterised in that:Rear-suspending is left and right Bracket assembly all includes L-type bending steel plate, and L-type bending steel plate welds two reinforcements.
4. offroad vehicle high-powered engine suspension system according to claim 3 it is characterised in that:Wedge shape support assembly The V-shaped cell body be adapted including V-shaped block and with V-shaped block, V-shaped block insertion V-shaped cell body is interior and fixing, V-shaped block Compressible V-shaped block rubber is set and V-shaped cell body between.
5. offroad vehicle high-powered engine suspension system according to claim 1 it is characterised in that:Backing plate is a square Shape is equipped with the 6mm steel plate of installing hole.
CN201510041186.XA 2015-01-27 2015-01-27 Large horse power engine suspension system of off-road vehicle Active CN104709061B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
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CN106553715A (en) * 2017-01-23 2017-04-05 浙江中立集团有限公司 A kind of horseshoe lock clamp ring
CN108146218A (en) * 2017-12-29 2018-06-12 东风商用车有限公司 A kind of engine rear mounting system assembly
CN110758079A (en) * 2019-09-19 2020-02-07 中国北方车辆研究所 Power assembly suspension device of tracked vehicle
CN110803012A (en) * 2019-11-21 2020-02-18 一汽解放汽车有限公司 Power assembly suspension system

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CN203267758U (en) * 2013-05-28 2013-11-06 上汽依维柯红岩商用车有限公司 Liquefied natural gas engine suspension system of heavy-duty truck
CN103723025A (en) * 2014-01-24 2014-04-16 安徽江淮汽车股份有限公司 Suspension system for electric vehicle power assembly
CN204037314U (en) * 2014-08-28 2014-12-24 上汽依维柯红岩商用车有限公司 Heavy duty truck engine suspension system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008149888A (en) * 2006-12-18 2008-07-03 Mitsubishi Fuso Truck & Bus Corp Support structure for power plant
JP2010180930A (en) * 2009-02-04 2010-08-19 Kurashiki Kako Co Ltd Vibration isolator
CN202623932U (en) * 2012-06-19 2012-12-26 中国重汽集团济南动力有限公司 Suspension device for transfer case of off-road vehicle
CN203267758U (en) * 2013-05-28 2013-11-06 上汽依维柯红岩商用车有限公司 Liquefied natural gas engine suspension system of heavy-duty truck
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