CN204263864U - The rear rubber spring equalizing suspension system of highway car - Google Patents
The rear rubber spring equalizing suspension system of highway car Download PDFInfo
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- CN204263864U CN204263864U CN201420672794.1U CN201420672794U CN204263864U CN 204263864 U CN204263864 U CN 204263864U CN 201420672794 U CN201420672794 U CN 201420672794U CN 204263864 U CN204263864 U CN 204263864U
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Abstract
The utility model discloses the rear rubber spring equalizing suspension system of a kind of highway car, comprise vehicle frame, back reaction rod, welding rubber spring support, primary elastomeric spring, auxiliary rubber spring, drive axle, bump rubber, equalizing bar bearing pin, equalizing bar lower bracket, equalizing bar, rubber spring base, rubber bush, equalizing bar lower cover, countersunk-heat bolt, primary elastomeric spring one end with weld rubber spring support and be fixedly connected with, the other end is connected with rubber spring base two inclined-plane; Auxiliary rubber spring upper end is connected with welding rubber spring support, and lower end is relative with rubber spring base top surface position and leave certain interval; Rubber spring bolt of lower base is connected on equalizing bar, and equalizing bar two ends are connected with equalizing bar lower bracket by equalizing bar bearing pin, and equalizing bar lower bracket is connected with drive axle by bolt; Back reaction rod one end is connected with vehicle frame, and the other end is connected with drive axle; Bump rubber is bolted on vehicle frame, contacts when drive axle is jumped with drive axle upper surface.
Description
Technical field
The utility model belongs to the technical field of commercial vehicle/comm..vehicle suspension system designs, particularly a kind of rear rubber spring equalizing suspension system of highway car of application of rubber spring, and this suspension system can be applied to the highway commercial vehicle/comm..vehicle rear suspensions such as 6x4 and 8x4.
Background technology
The steel spring equalizing suspension system that the many employings of domestic highway commercial vehicle/comm..vehicle back balance suspension are traditional or air bellow equalizing suspension system.Leaf Spring Suspension System adopts the steel spring of determining rigidity as elastic element, and air spring suspension systems adopts air bellow as elastic element.
Mainly there is following problem in current steel spring equalizing suspension system:
1) steel plate spring type equalizing suspension system is from great, complex structure;
2) upper and lower back reaction rod is as guiding and force transfer element, stressed complexity, and especially lower beam need bear larger longitudinal force, and damage amount is comparatively large, causes maintenance and accessory handling cost to improve;
3) because this structural steel and iron spring can only be arranged in frame outside, consider laws and regulations requirement, different in width arrangement is more difficult, causes component universality poor;
4) consider carrying and the actual reliability requirement used, the rigidity of steel spring is comparatively large, and be definite value, and built on stilts, the fully loaded load change of heavy-duty commercial vehicle rear overhang comparatively greatly, and when causing zero load, car load ride comfort is very poor;
5) because leaf of spring number is more, and rigidity is large, and the friction between sheet causes larger noise, has a strong impact on car load traveling comfort;
6) need when dismantling steel spring first to be unclamped by clevis bolt, and the tightening torque of general clevis bolt is comparatively large, this dismounting brings very large difficulty, and servicing ease is poor in assembling.
And mainly there is following problem in air bellow equalizing suspension system at present:
1) cost is high;
2) the various valve class of air bellow and piping layout complicated, not easily install;
3) can not overload.
Summary of the invention
The purpose of this utility model is to provide the rear rubber spring equalizing suspension system of a kind of highway car, is applicable to highway commercial vehicle/comm..vehicle, can solve the problems referred to above that prior art exists, meet the requirement of the energy-conserving and environment-protective to vehicle simultaneously.
The technical solution of the utility model is as follows, by reference to the accompanying drawings:
The rear rubber spring equalizing suspension system of a kind of highway car, comprise vehicle frame 1, back reaction rod 2, welding rubber spring support 3, primary elastomeric spring 4, auxiliary rubber spring 5, drive axle 6, bump rubber 7, equalizing bar bearing pin 8, equalizing bar lower bracket 9, equalizing bar 10, rubber spring base 11, rubber bush 12, equalizing bar lower cover 13, countersunk-heat bolt 14, primary elastomeric spring 4 one end with weld rubber spring support 3 and be fixedly connected with, the other end and rubber spring base 11 liang of inclined-planes are connected; Auxiliary rubber spring 5 upper end is connected with welding rubber spring support 3, and lower end is relative with rubber spring base 11 top side location and leave certain interval when car load zero load; Rubber spring base 11 bolt is connected to equalizing bar 10 middle part, equalizing bar lower cover 13 is fixed on equalizing bar 10 two ends by countersunk-heat bolt 14, rubber bush 12 is socketed on equalizing bar bearing pin 8, equalizing bar 10 two ends are connected with equalizing bar lower bracket 9 by equalizing bar bearing pin 8, and equalizing bar lower bracket 9 is connected with drive axle 6 by bolt; Back reaction rod 2 one end is connected with vehicle frame 1, and one end is connected with the back reaction rod support on drive axle 6 in addition; Bump rubber 7 is bolted on vehicle frame 1, contacts when drive axle 6 is jumped with drive axle 6 upper surface, jumps the limit in order to limit on drive axle 6.
A highway car improvement project for rear rubber spring equalizing suspension system, described primary elastomeric spring 4 comprises multi-disc steel plate, and multi-disc steel plate is arranged in parallel, and every two panels steel plate central filler rubber layer.Primary elastomeric spring about 4 two panels steel plate is connected with welding rubber spring support 3 and rubber spring base 11 bolt respectively.
A kind of highway car improvement project of rear rubber spring equalizing suspension system, described auxiliary rubber spring 5 comprises multi-disc steel plate, multi-disc steel plate is arranged in parallel, and every two panels steel plate central filler rubber layer, the steel plate of auxiliary rubber spring 5 top layer is connected with welding rubber spring support 3 bolt, auxiliary rubber spring 6 orlop is rubber layer, and this rubber layer is relative with rubber spring base 11 top side location and leave certain interval when car load is unloaded.
A kind of highway car improvement project of rear rubber spring equalizing suspension system, there is semi-circular groove described equalizing bar 10 end, form circular hole with after the relative snapping of semi-circular groove notch on equalizing bar lower cover 13 and be fixedly connected with by countersunk-heat bolt 14, the equalizing bar bearing pin 8 being socketed with rubber bush 12 is arranged on equalizing bar 10 with the common circular hole formed of equalizing bar lower cover 13.
A kind of highway car further improvement project of rear rubber spring equalizing suspension system, steel skeleton is provided with in the middle of described rubber bush 12, in steel skeleton, external application rubber is bonding, rubber bush 12 inside and outside wall all establishes bossed endless belt, described equalizing bar 10, equalizing bar lower cover 13 and equalizing bar bearing pin 8 being all processed with groove, assembling for coordinating with the projection endless belt on rubber bush 12.
The utility model compared with prior art has the following advantages: this system utilizes rubber spring replacement steel spring and air bellow as elastic element, utilize an equalizing bar cast to replace two original lower I bars simultaneously, the large support of the welding of sheet metal parts is utilized to connect rubber spring, effectively can reduce suspension deadweight and simplify suspension system, be convenient to assembling, keep in repair and reduce costs, ultra-wide vehicle frame can be mated, extend tire life.Because rubber has good nonlinear characteristic, make the rigidity of this suspension system with stroke change obviously, suspension system can be ensured in zero load to the traveling comfort between being fully loaded with, and the noise produced when avoiding metal and metal bump and rub.
Accompanying drawing explanation
Fig. 1 is the utility model rubber suspension system schematic.
Fig. 2 a is primary elastomeric spring structure schematic front view.
Fig. 2 b is the birds-eye view of Fig. 2 a.
Fig. 3 a is auxiliary rubber spring structure schematic front view.
Fig. 3 b is the birds-eye view of Fig. 3 a.
Fig. 4 is the end construction decomposing schematic representation of casting equalizing bar.
Fig. 5 is primary elastomeric spring load-displacement curve.
Fig. 6 is auxiliary rubber spring load-displacement curve.
In Fig. 1: 1 vehicle frame, 2 back reaction rods, 3 welding rubber spring supports, 4 primary elastomeric springs, 5 auxiliary rubber springs, 6 drive axles, 7 bump rubbers, 8 equalizing bar bearing pins, 9 equalizing bar lower brackets, 10 equalizing bars, 11 rubber spring bases, 12 rubber bushs, 13 equalizing bar lower covers, 14 countersunk-heat bolts.
Specific embodiments
Specific embodiments of the present utility model is described in detail below in conjunction with accompanying drawing.
Consult Fig. 1, the rear rubber spring equalizing suspension system of highway car, comprise vehicle frame 1, back reaction rod 2, welding rubber spring support 3, primary elastomeric spring 4, auxiliary rubber spring 5, drive axle 6, bump rubber 7, equalizing bar bearing pin 8, equalizing bar lower bracket 9, equalizing bar 10, rubber spring base 11, rubber bush 12, equalizing bar lower cover 13, countersunk-heat bolt 14, primary elastomeric spring 4 one end with weld rubber spring support 3 and be fixedly connected with, the other end and rubber spring base 11 liang of inclined-planes are connected; Auxiliary rubber spring 5 upper end is connected with welding rubber spring support 3, and lower end is relative with rubber spring base 11 top side location and leave certain interval when car load zero load; Rubber spring base 11 bolt is connected to equalizing bar 10 middle part, equalizing bar lower cover 13 is fixed on equalizing bar 10 two ends by countersunk-heat bolt 14, rubber bush 12 is socketed on equalizing bar bearing pin 8, equalizing bar 10 two ends are connected with equalizing bar lower bracket 9 by equalizing bar bearing pin 8, and equalizing bar lower bracket 9 is connected with drive axle 6 by bolt; Back reaction rod 2 one end is connected with vehicle frame 1, and one end is connected with the back reaction rod support on drive axle 6 in addition; Bump rubber 7 is bolted on vehicle frame 1, contacts when drive axle 6 is jumped with drive axle 6 upper surface, jumps the limit in order to limit on drive axle 6.
Consult Fig. 2, primary elastomeric spring 4 comprises multi-disc steel plate, and multi-disc steel plate is arranged in parallel, and every two panels steel plate central filler rubber layer.Primary elastomeric spring about 4 two panels steel plate is connected with welding rubber spring support 3 and rubber spring base 11 bolt respectively.
Consult Fig. 3, auxiliary rubber spring 5 comprises multi-disc steel plate, multi-disc steel plate is arranged in parallel, and every two panels steel plate central filler rubber layer, the steel plate of auxiliary rubber spring 5 top layer is connected with welding rubber spring support 3 bolt, auxiliary rubber spring 6 orlop is rubber layer, and this rubber layer is relative with rubber spring base 11 top side location and leave certain interval when car load is unloaded.
Consult Fig. 4, there is semi-circular groove equalizing bar 10 end, a circular hole is formed with after the relative snapping of semi-circular groove notch on equalizing bar lower cover 13, rubber bush 12 is first enclosed within equalizing bar bearing pin 8, then equalizing bar 10 is assembled to together with the common circular hole formed of equalizing bar lower cover 13, fastening with countersunk-heat bolt 14; The skeleton of steel is had in the middle of rubber bush 12, in skeleton, external application rubber is bonding, rubber bush 12 inside and outside wall is all with bossed endless belt, equalizing bar 10, equalizing bar lower cover 13 and equalizing bar bearing pin 8 all process groove, coordinate with the projection endless belt on rubber bush 12 and assemble in order to locate.
The utility model rubber suspension system, it utilizes primary elastomeric spring 4 connecting welding rubber spring support 3 and equalizing bar 10, equalizing bar 10 is connected with drive axle 6 by equalizing bar lower bracket 9, replaces steel spring and lower back reaction rod etc. or air bellow and the lower trailing arm etc. of conventional balance suspension.
Principle of work of the present utility model is:
Time unloaded, auxiliary rubber spring 5 does not contact with rubber spring base 11, and only have primary elastomeric spring 4 to work, now the ride comfort of car load is better.Along with the increase of load, auxiliary rubber spring 5 starts to contact with rubber spring base 11, simultaneously because the rigidity of major-minor rubber spring is all increase with the increase of load, the rigidity of the whole rubber suspension system of at full load exceedes conventional steel plate spring type and air spring type balance suspension, can ensure delelivered payload capability.
Consult Fig. 5 and can find out that the rigidity of primary elastomeric spring increases along with the increase of deflection of spring, the traveling comfort of car load when underloading and the load when heavy duty can be ensured like this; Consult Fig. 6 and can find out that the rigidity of auxiliary rubber spring is linear, by with the mating the rigidity that can ensure car load unexpected increase can not occur of primary elastomeric spring, while load-carrying capacity improves, ensure that traveling comfort.
Claims (5)
1. the rear rubber spring equalizing suspension system of highway car, comprise vehicle frame (1), back reaction rod (2), welding rubber spring support (3), primary elastomeric spring (4), auxiliary rubber spring (5), drive axle (6), bump rubber (7), equalizing bar bearing pin (8), equalizing bar lower bracket (9), equalizing bar (10), rubber spring base (11), rubber bush (12), equalizing bar lower cover (13), countersunk-heat bolt (14), it is characterized in that, primary elastomeric spring (4) one end with weld rubber spring support (3) and be fixedly connected with, the other end is connected with rubber spring base (11) two inclined-plane, auxiliary rubber spring (5) upper end with welding rubber spring support (3) is connected, lower end relative with rubber spring base (11) top side location and car load zero load time leave certain interval, rubber spring base (11) bolt is connected to equalizing bar (10) middle part, equalizing bar lower cover (13) is fixed on equalizing bar (10) two ends by countersunk-heat bolt (14), rubber bush (12) is socketed on equalizing bar bearing pin (8), equalizing bar (10) two ends are connected with equalizing bar lower bracket (9) by equalizing bar bearing pin (8), and equalizing bar lower bracket (9) is connected with drive axle (6) by bolt, back reaction rod (2) one end is connected with vehicle frame (1), and one end is connected with the back reaction rod support on drive axle (6) in addition, bump rubber (7) is bolted on vehicle frame (1), contacts, jump the limit in order to limit on drive axle (6) when the upper jumping of drive axle (6) with drive axle (6) upper surface.
2. according to the rear rubber spring equalizing suspension system of a kind of highway car according to claim 1, it is characterized in that, described primary elastomeric spring (4) comprises multi-disc steel plate, multi-disc steel plate is arranged in parallel, and every two panels steel plate central filler rubber layer, primary elastomeric spring (4) up and down two panels steel plate is connected with welding rubber spring support (3) and rubber spring base (11) bolt respectively.
3. according to the rear rubber spring equalizing suspension system of a kind of highway car according to claim 1, it is characterized in that, described auxiliary rubber spring (5) comprises multi-disc steel plate, multi-disc steel plate is arranged in parallel, and every two panels steel plate central filler rubber layer, the steel plate of auxiliary rubber spring (5) top layer is connected with welding rubber spring support (3) bolt, auxiliary rubber spring (5) orlop is rubber layer, and this rubber layer is relative with rubber spring base (11) top side location and leave certain interval when car load is unloaded.
4. according to the rear rubber spring equalizing suspension system of a kind of highway car according to claim 1, it is characterized in that, there is semi-circular groove described equalizing bar (10) end, form circular hole with after the relative snapping of semi-circular groove notch on equalizing bar lower cover (13) and be fixedly connected with by countersunk-heat bolt (14), the equalizing bar bearing pin (8) being socketed with rubber bush (12) is arranged on equalizing bar (10) with the common circular hole formed of equalizing bar lower cover (13).
5. according to the rear rubber spring equalizing suspension system of a kind of highway car according to claim 4, it is characterized in that, steel skeleton is provided with in the middle of described rubber bush (12), in steel skeleton, external application rubber is bonding, rubber bush (12) inside and outside wall all establishes bossed endless belt, described equalizing bar (10), equalizing bar lower cover (13) and equalizing bar bearing pin (8) being all processed with groove, assembling for coordinating with the projection endless belt on rubber bush (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672794.1U CN204263864U (en) | 2014-11-09 | 2014-11-09 | The rear rubber spring equalizing suspension system of highway car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672794.1U CN204263864U (en) | 2014-11-09 | 2014-11-09 | The rear rubber spring equalizing suspension system of highway car |
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| CN204263864U true CN204263864U (en) | 2015-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620214A (en) * | 2016-03-15 | 2016-06-01 | 苏州睿梵工业设计有限公司 | Damping device and carrier trolley using damping device |
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2014
- 2014-11-09 CN CN201420672794.1U patent/CN204263864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620214A (en) * | 2016-03-15 | 2016-06-01 | 苏州睿梵工业设计有限公司 | Damping device and carrier trolley using damping device |
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