CN106891681B - Lightweight balanced suspension - Google Patents
Lightweight balanced suspension Download PDFInfo
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- CN106891681B CN106891681B CN201710153904.1A CN201710153904A CN106891681B CN 106891681 B CN106891681 B CN 106891681B CN 201710153904 A CN201710153904 A CN 201710153904A CN 106891681 B CN106891681 B CN 106891681B
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- plate spring
- balance shaft
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- seat
- spring connecting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/045—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on different axles on the same side of the vehicle, i.e. the left or the right side
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/023—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected longitudinally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/83—Type of interconnection
- B60G2204/8306—Permanent; Continuous
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/011—Modular constructions
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- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A lightweight balanced suspension belongs to the technical field of automobile balanced suspension measurement. The method is characterized in that: the novel driving device comprises a driving middle axle (16), a driving rear axle (17), a beam mechanism, an upper thrust mechanism, a plate spring connecting mechanism, a balance shaft support and a plate spring connecting seat (25), wherein two ends of the plate spring connecting mechanism are respectively connected with the bottoms of the driving middle axle (16) and the driving rear axle (17) through the plate spring connecting seat (25), the tops of the plate spring connecting seat (25) are connected with the driving middle axle (16) and the driving rear axle (17) through axle fixing clamping grooves (26), the middle part of the plate spring connecting mechanism is connected with the beam mechanism through the balance shaft support, and the beam mechanism is lapped above the balance shaft support. The lightweight balanced suspension omits a lower thrust rod, a plate spring sliding seat and related connecting bolts, simplifies the structure, reduces the production cost, lightens the weight, improves the working efficiency of assembly and the stability of assembly, and simultaneously reduces the subsequent maintenance and claim cost.
Description
Technical Field
A lightweight balanced suspension belongs to the technical field of automobile balanced suspension measurement.
Background
The development of the automobile industry is rapid, the development and application of new automobile technology are gradually changed, and along with the increasing importance of the whole automobile enterprises on light weight, comfort and control smoothness, the automobile suspension field is in front of new large-scale technology upgrading. Lightweight products such as air suspensions, rubber suspensions, few leaf springs and the like have a large-scale popularization and application trend in the fields of buses, heavy trucks and the like. From the perspective of overall technology development of the vehicle, the suspension technology directly relates to the performances of safety, control, comfort, light weight and the like of the vehicle, and is an important component part of the quality of the whole vehicle. Two leaf springs, rubber suspensions and the like are adopted on the new vehicle types of many passenger car and truck enterprises, and along with the development and progress of China society, the requirements of people on the trafficability and comfort of automobiles, particularly heavy-duty cargo automobiles, are gradually improved. The structural safety of each component part of the balanced suspension system directly influences the safety of the whole vehicle.
The traditional balance suspension mainly comprises a balance shaft bracket, a cross beam, a thrust rod and a plate spring seat, wherein a plate spring of a suspension system in the prior art mainly plays a role in damping, and the thrust rod plays a role in transmitting driving force and braking force. However, the existing balance suspension has a complicated structure, various components and heavy weight, and thus it is difficult to achieve the aim of weight reduction. Therefore, a balanced suspension that has a simplified structure and is easy to produce in a modularized manner and can meet the light weight requirement is a problem to be solved at present.
Disclosure of Invention
The technical problems to be solved by the application are as follows: the utility model provides a not have thrust rod lightweight balanced suspension that overcomes prior art's is not enough, provides a simplified structure, easy modularization production, can satisfy the lightweight needs.
The technical scheme adopted for solving the technical problems is as follows: this no distance rod lightweight balanced suspension, its characterized in that: the device comprises a drive center bridge, a drive rear axle, a beam mechanism, an upper thrust mechanism, a plate spring connecting mechanism, a balance shaft support and a plate spring connecting seat, wherein two ends of the plate spring connecting mechanism are respectively connected with the bottoms of the drive center bridge and the drive rear axle through the plate spring connecting seat, the tops of the plate spring connecting seats are connected with the drive center bridge and the drive rear axle through axle fixing clamping grooves in a clamping manner, the lower parts of the plate spring connecting seats are fixedly connected with the plate spring connecting mechanism, the middle parts of the plate spring connecting mechanism are connected with the beam mechanism through the balance shaft support, and the beam mechanism is lapped above the balance shaft support.
In the traditional suspension, the center height of the suspension is increased to the center position of a frame longitudinal beam, a plate spring seat reversing plate spring is arranged below the plate spring seat, and an independent thrust rod support is arranged on the inner lower side. When the plate spring connecting mechanism is installed in a turnover mode, two ends of the plate spring connecting mechanism are fixedly connected with bottoms of the driving intermediate axle and the driving rear axle through the plate spring connecting seats respectively, the driving intermediate axle and the driving rear axle are fixedly connected with the plate spring and the intermediate rear axle through the front plate spring connecting seat and the rear plate spring connecting seat respectively, and therefore the plate spring can play a role in connecting a thrust rod at the same time, and components such as a lower thrust rod, a plate spring sliding seat and the like do not need to be additionally arranged.
The lightweight balanced suspension is externally connected between the frames, so that a lower thrust rod, a plate spring sliding seat and related connecting bolts are omitted, the structure is simplified, the production cost is reduced, the weight is reduced, the assembly working efficiency and the assembly stability are improved, and meanwhile, the subsequent maintenance and claim cost are reduced. Compared with the existing balance suspension, the whole suspension system removes the thrusting rod and the leaf spring sliding seat, the leaf spring connecting mechanism is directly used for replacing the lower thrusting rod, the action of the leaf spring connecting mechanism and the thrusting rod is combined into one, the thrusting rod-free lightweight balance suspension capable of being produced in a modularized mode is characterized in that the middle part of the thrusting rod-free lightweight balance suspension is connected with the cross beam through the balance shaft bracket, and the upper thrusting mechanism is symmetrically arranged on the front side and the rear side of the cross beam, so that the thrusting rod connecting part can be removed from the conventional balance shaft bracket, the weight is greatly reduced, the geometric dimension is reduced, the stress is reduced, and the service life is prolonged.
Preferably, the cross beam is arranged on the inner side of the frame, the plate spring connecting mechanism is connected with the inner side of the balance shaft bracket and the outer side of the frame, and two ends of the cross beam are lapped on the lap joint part of the cross beam and fixedly connected with the lap joint part of the cross beam. In particular, the lower cross beam with larger plane area can be placed on the two groups of balance shaft supports to form a structure that the cross beam is lapped on the balance shaft supports, so that the cross beam and the balance shaft supports are organically connected together, and compared with the prior art, the contact area between the cross beam and the balance shaft supports is increased due to the connection of the cross beam and the cross beam lap joint part, the stress of the balance shaft supports is changed, the stress of the balance shaft supports is dispersed, and the service life of the balance shaft supports is prolonged.
In the horizontal position: the beam support reinforcing boss on the balance shaft support is closely connected with the cast beam and the frame into a whole through bolts. And in the vertical position, the side mounting surface of the balance shaft bracket, the two sides of the casting cross beam and the frame are all provided with bolt holes, and the balance shaft bracket, the frame and the casting cross beam are tightly connected from outside to inside through bolts. The two points fully ensure the connection strength between the balance shaft bracket and the cross beam, and the structure of the balance shaft bracket is lighter.
The plate spring connecting mechanism comprises a plate spring seat, a steel plate spring and a plate spring fixing device, wherein the middle part of the steel plate spring is connected with the plate spring seat through the plate spring fixing device, and the upper part of the plate spring seat is connected with the balance shaft bracket. Preferably, the plate spring fixing device comprises a riding bolt and a hexagonal nut, wherein the plate spring seat is arranged above the middle part of the steel plate spring, the hexagonal nut is arranged at the corresponding position of the mounting plate spring seat below the steel plate spring, and the plate spring seat and the hexagonal nut are connected through the riding bolt.
The traditional connecting part of the thrust rod is omitted, the lower thrust rod is omitted, and the lower thrust rod is connected with the middle rear axle through a leaf spring; the leaf spring is reversed 180 degrees, and the rear axle in the lower distance rod connection is replaced to both sides, and the leaf spring is except the cushioning effect of itself, plays the effect of lower distance rod simultaneously, and leaf spring seat and leg joint set up as an organic wholely, form modular structure, and the batch centralized production of being convenient for improves production precision and production efficiency, and leaf spring has advantages such as with low costs, simple structure and easy maintenance moreover, can practice thrift a large amount of manufacturing cost.
The plate spring seat, the balance shaft support and the frame can form an integrated mechanism to form a modularized structure, and meanwhile, the supporting function of the plate spring can be fully utilized, the plate spring connecting mechanism is directly used for replacing the lower thrust rod, and the functions of the plate spring connecting mechanism and the thrust rod are combined into a whole.
The balance shaft support comprises a balance shaft support and a balance shaft head, one side of the lower part of the balance shaft support is provided with a balance shaft head which is horizontally arranged, and a tensioning and positioning device is additionally arranged at the center of the balance shaft head.
The two ends of the steel plate leaf spring are provided with downwardly bent lugs, the lower part of the leaf spring connecting seat is provided with a horizontally arranged leaf spring fixing shaft, the two ends of the leaf spring fixing shaft are fixedly connected with the leaf spring connecting seat through leaf spring fixing bolts, and the lugs are wound and fixed on the leaf spring fixing shaft.
The two ends of the middle and rear axle plate spring are not in the plate spring type on the common suspension, and the two ends of the plate spring are provided with the rolling lugs, the plate spring connecting seat is fixedly connected through the rolling lugs in a winding way, and the axle is clamped through the plate spring connecting seat, so that the functions of the lower thrust rod and the plate spring are combined into a whole.
The axle fixing clamping groove at the top of the plate spring connecting seat is internally provided with a connecting seat fixing through hole for connecting the bottom of the drive middle axle and the bottom of the drive rear axle.
The tensioning and positioning device comprises a center bolt, a rubber bushing and a flange gland, wherein the center bolt axially penetrates through the balance shaft head, the outer side of the balance shaft head is sleeved with the rubber bushing, and the outer side of the balance shaft head is tightly pressed through the flange gland.
The center bolt is additionally arranged at the center of the balance shaft head, the pulling-in force of the center bolt is utilized to offset the stress of upward bending of the bearing force of the shaft head, the axial force on the shaft head of the balance shaft bracket is eliminated, and the service life of the balance shaft bracket is prolonged. The plate spring is provided with a rubber sleeve and is arranged and fixed on a shaft head of the bracket, a rubber bushing assembly is arranged between the plate spring seat and the shaft head, an outer positioning mechanism is arranged between the rubber bushing assembly and the plate spring seat, and a flange gland is arranged between the rubber bushing assembly and the shaft head for compressing and axially positioning. The inner positioning mechanism enables the rubber bushing assembly to be positioned on the shaft head of the balance shaft support and fixed with the shaft head of the balance shaft support in a positioning way. The inner positioning mechanism and the outer positioning mechanism are fixedly positioned through the flange gland, so that the flange gland is simple to process, convenient to assemble and disassemble, high in assembly efficiency, and not easy to damage in the use process, and the service life is prolonged.
Preferably, the two ends of the plate spring seat and the plate spring supporting groove are respectively provided with a positioning surface and a positioning groove, the plate spring seat is arranged on the inner side of the rubber bushing assembly, and the two sides of the plate spring seat are pressed against the rubber bushing assembly through the mounting surface of the non-thrust rod type bracket and the outer flange gland.
The beam mechanism comprises an upper beam and a lower beam, two ends of the upper beam are connected with the lower beam through beam connecting plates, and the widths of the plate bodies of the upper beam and the lower beam are gradually increased from inside to outside.
The upper beam both ends are from interior to outside widening gradually, and the length of upper beam is greater than the length of lower beam, and crossbeam connecting plate upper portion is vertical form, and the lower part is inwards slope form, and the both ends of upper beam are from interior to outside widening gradually, when installing on the frame, have increased the area of being connected of this super lightweight balanced suspension and frame to reduced the stress that the frame received, improved the life-span of frame, crossbeam connecting plate lower part is inwards slope form, the convenience is installed with the location of balance shaft support.
The beam connecting plate comprises an upper part which is longitudinally arranged and a lower part which is obliquely arranged inwards, two ends of the upper beam are provided with bending ends, and the bending ends are provided with a plurality of light removing holes. The balance shaft support and the cross beam are provided with a plurality of weight removing holes at the parts with smaller stress, so that the weight of the ultra-lightweight balance suspension can be greatly reduced, and the strength of the balance support and the cross beam can be ensured.
And a beam reinforcing plate which is longitudinally arranged is arranged between the upper beam and the lower beam. The reinforcing plate increases the strength of the cross beam and prevents the cross beam from bending deformation.
The upper thrust mechanism comprises an upper thrust rod and an upper thrust rod mounting seat, wherein the upper thrust rod mounting seat is fixed on the upper part of the drive axle bracket, and the upper thrust rod is a V-shaped thrust rod.
Compared with the prior art, the application has the following beneficial effects: the lightweight balanced suspension is externally connected between the frames, so that a lower thrust rod, a plate spring sliding seat and related connecting bolts are omitted, the structure is simplified, the production cost is reduced, the weight is reduced, the assembly working efficiency and the assembly stability are improved, and meanwhile, the subsequent maintenance and claim cost are reduced. Compared with the existing balance suspension, the whole suspension system removes the thrusting rod and the leaf spring sliding seat, the leaf spring connecting mechanism is directly used for replacing the lower thrusting rod, the action of the leaf spring connecting mechanism and the thrusting rod is combined into one, the thrusting rod-free lightweight balance suspension capable of being produced in a modularized mode is characterized in that the middle part of the thrusting rod-free lightweight balance suspension is connected with the cross beam through the balance shaft bracket, and the upper thrusting mechanism is symmetrically arranged on the front side and the rear side of the cross beam, so that the thrusting rod connecting part can be removed from the conventional balance shaft bracket, the weight is greatly reduced, the geometric dimension is reduced, the stress is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a schematic diagram of a lightweight balanced suspension isometric view.
Fig. 2 is a schematic side view of a lightweight balanced suspension.
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2.
Fig. 4 is a schematic top view of fig. 2.
Fig. 5 is a schematic view of the structure of fig. 2 with the frame and axle removed.
Fig. 6 is an isometric view of fig. 5.
Wherein, 1, entablature 2, balance shaft support 3, flange gland 4, center bolt 5, hexagon head bolt 6, rubber bush 7, plate spring seat 8, steel sheet leaf spring 9, saddle bolt 10, hexagon nut 11, crossbeam connecting plate 12, upper thrust rod 13, frame 14, crossbeam overlap joint boss 15, light hole 16, drive center bridge 17, drive rear axle 18, lower crossbeam 19, upper thrust rod mount pad 20, drive axle support 21, balance shaft spindle nose 22, crossbeam reinforcing plate 23, crossbeam overlap joint portion 24, reel 25, leaf spring connecting seat 26, axle fixing draw-in groove 27, leaf spring fixing axle 28, leaf spring fixing bolt 29, connecting seat fixed through-hole.
Detailed Description
Fig. 1 to 6 are diagrams illustrating preferred embodiments of the present application, and the present application is further described below with reference to fig. 1 to 6.
Referring to fig. 1 to 6: a lightweight balanced suspension comprises a drive center axle 16, a drive rear axle 17, a beam mechanism, an upper thrust mechanism, a plate spring connecting mechanism, a balance shaft support 2 and a plate spring connecting seat 25, wherein two ends of the plate spring connecting mechanism are respectively connected with the bottoms of the drive center axle 16 and the drive rear axle 17 through the plate spring connecting seat 25, the top of the plate spring connecting seat 25 is clamped with the drive center axle 16 and the drive rear axle 17 through an axle fixing clamping groove 26, the lower part of the plate spring connecting seat 25 is fixedly connected with the plate spring connecting mechanism, the middle part of the plate spring connecting mechanism is connected with the beam mechanism through the balance shaft support, and the beam mechanism is lapped above the balance shaft support 2.
The both ends of steel sheet leaf spring 8 are equipped with the reel 24 of bending downwards, and leaf spring connecting seat 25 lower part is equipped with the leaf spring fixed axle 27 that the level set up, and leaf spring fixed axle 27 both ends pass through leaf spring fixing bolt 28 fixed connection leaf spring connecting seat 25, and reel 24 winding is fixed on leaf spring fixed axle 27. The axle fixing slot 26 at the top of the plate spring connecting seat 25 is internally provided with a connecting seat fixing through hole 29 for connecting the bottom of the drive middle axle 16 and the bottom of the drive rear axle 17.
The plate spring connecting mechanism comprises a plate spring seat 7, a steel plate spring 8 and a plate spring fixing device, wherein the middle part of the steel plate spring 8 is connected with the plate spring seat 7 through the plate spring fixing device, and the upper part of the plate spring seat 7 is connected with the balance shaft bracket 2. The plate spring fixing device comprises a riding bolt 9 and a hexagonal nut 10, wherein the plate spring seat 7 is arranged above the middle part of the plate spring 8, the hexagonal nut 10 is arranged at a corresponding position of the plate spring seat 7 arranged below the plate spring 8, and the plate spring seat 7 and the hexagonal nut 10 are connected through the riding bolt 9.
One side of the lower part of the balance shaft bracket 2 is connected with a balance shaft head 21 which is horizontally arranged, and a tensioning and positioning device is additionally arranged at the center of the balance shaft head 21. The tensioning and positioning device comprises a center bolt 4, a rubber bushing 6 and a flange gland 3, wherein the center bolt 4 axially penetrates through a balance shaft head 21, the rubber bushing 6 is sleeved on the outer side of the balance shaft head 21, and the outer side of the balance shaft head 21 is tightly pressed through the flange gland 3.
The center bolt is additionally arranged at the center of the balance shaft head 21, the pulling-in force of the center bolt is utilized to counteract the stress of upward bending of the shaft head stress, the axial force on the balance shaft head 21 is eliminated, and the service life of the balance shaft bracket 2 is prolonged. The plate spring is provided with a rubber sleeve and is fixedly arranged on a shaft head of the support, a rubber bushing 6 is arranged between the plate spring seat and the shaft head, an outer positioning mechanism is arranged between the rubber bushing 6 and the plate spring seat 7, and a flange gland 3 is arranged between the rubber bushing 6 and the shaft head for compression and axial positioning. The inner positioning mechanism enables the rubber bushing 6 to be positioned on the shaft head of the balance shaft bracket 2 and fixed with the shaft head of the balance shaft bracket 2. The inner positioning mechanism and the outer positioning mechanism are fixedly positioned through the flange gland 3, so that the flange gland is simple in processing, convenient to assemble and disassemble, high in assembly efficiency, and not easy to damage in the use process, and the service life is prolonged. Preferably, the two ends of the plate spring seat 7 and the plate spring supporting groove are respectively provided with a positioning surface and a positioning groove, the plate spring seat 7 is arranged on the inner side of the rubber bushing 6, and the two sides of the plate spring seat are pressed against the rubber bushing 6 through the mounting surface of the balance shaft bracket 2 and the outer side flange gland 3.
The beam mechanism comprises an upper beam 1 and a lower beam 18, wherein two ends of the upper beam 1 are connected with the lower beam 18 through beam connecting plates 11, and the widths of the plate bodies of the upper beam 1 and the lower beam 18 are gradually increased from inside to outside. The beam connecting plate 11 comprises a longitudinally arranged upper part and an inwardly inclined lower part, two ends of the upper beam 1 are provided with bending ends, and the bending ends are provided with a plurality of light removing holes 15. A beam reinforcing plate 22 is longitudinally arranged between the upper beam 1 and the lower beam 18.
In particular, the leaf spring 8 of the steel plate used in cooperation in the present application is installed in an upside-down manner, that is, as shown in fig. 1, 2 and 4, the arcuate portion of the leaf spring 8 of the steel plate is placed to be convex upward.
The upper thrust mechanism comprises an upper thrust rod 12 and an upper thrust rod mounting seat 19, wherein the upper thrust rod mounting seat 19 is fixed on the upper part of the drive axle bracket 20, and the upper thrust rod 12 is a V-shaped thrust rod.
Compared with the existing balance suspension, the whole suspension system removes the thrusting rod and the leaf spring sliding seat, directly uses the leaf spring connecting mechanism to replace the lower thrusting rod, combines the functions of the leaf spring connecting mechanism and the thrusting rod into one, and can modularly produce the thrusting rod-free lightweight balance suspension, the middle part of the thrusting rod-free lightweight balance suspension is connected with the cross beam through the balance shaft bracket 2, and the upper thrusting mechanism is symmetrically arranged in front of and behind the cross beam, so that the traditional balance shaft bracket 2 can be removed from the thrusting rod connecting part, the weight is greatly reduced, the geometric dimension is reduced, the stress is reduced, and the service life is prolonged.
Preferably, the cross beam is arranged at the inner side of the frame 13, the inner sides of the plate spring connecting mechanism and the balance shaft bracket 2 are connected with the outer side of the frame 13, the two sides of the lower part of the lower cross beam 18 are provided with cross beam lap joint parts 23, the upper part of the balance shaft bracket 2 is provided with a cross beam lap joint boss 14 which protrudes upwards, as shown in fig. 3, compared with the cross beam in the prior art, the cross beam of the application is equivalent to inverted installation, namely, the lower cross beam with larger plane area can be placed on the two groups of balance shaft brackets 2, the length of the upper cross beam 1 is longer than that of the lower cross beam 18, the upper part of the cross beam connecting plate 11 is vertical, the lower part is inclined inwards, and the two ends of the lower cross beam 18 are lapped on the cross beam lap joint parts 23 and are fixedly connected with the cross beam lap joint parts 23. Particularly, a structure that the cross beam is lapped on the balance shaft support 2 is formed, so that the cross beam and the balance shaft support 2 are organically connected together, and as the cross beam is connected with the cross beam lap joint part 23, compared with the prior art, the contact area between the cross beam and the balance shaft support 2 is increased, the stress of the balance shaft support 2 is changed, the stress of the balance shaft support 2 is dispersed, and the service life of the balance shaft support 2 is prolonged.
The above description is only a preferred embodiment of the present application, and is not intended to limit the application in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present application still fall within the protection scope of the technical solution of the present application.
Claims (9)
1. A lightweight balanced suspension characterized by: the device comprises a drive middle axle (16), a drive rear axle (17), a beam mechanism, an upper thrust mechanism, a plate spring connecting mechanism, a balance shaft bracket (2) and a plate spring connecting seat (25), wherein two ends of the plate spring connecting mechanism are respectively connected with the bottoms of the drive middle axle (16) and the drive rear axle (17) through the plate spring connecting seat (25), the tops of the plate spring connecting seat (25) are clamped with the drive middle axle (16) and the drive rear axle (17) through axle fixing clamping grooves (26), the lower part of the plate spring connecting seat (25) is fixedly connected with the plate spring connecting mechanism, the middle part of the plate spring connecting mechanism is connected with the beam mechanism through the balance shaft bracket, and the beam mechanism is lapped above the balance shaft bracket (2);
the plate spring connecting mechanism comprises a plate spring seat (7), a steel plate spring (8) and a plate spring fixing device, wherein the middle part of the steel plate spring (8) is connected with the plate spring seat (7) through the plate spring fixing device, and the upper part of the plate spring seat (7) is connected with the balance shaft bracket (2).
2. A lightweight balanced suspension according to claim 1 wherein: the two ends of the steel plate leaf spring (8) are provided with downwardly bent lugs (24), the lower part of the leaf spring connecting seat (25) is provided with a horizontally arranged leaf spring fixing shaft (27), the two ends of the leaf spring fixing shaft (27) are fixedly connected with the leaf spring connecting seat (25) through leaf spring fixing bolts (28), and the lugs (24) are fixedly wound on the leaf spring fixing shaft (27).
3. A lightweight balanced suspension according to claim 1 wherein: the axle fixing clamping groove (26) at the top of the plate spring connecting seat (25) is internally provided with a connecting seat fixing through hole (29) for connecting the driving middle axle (16) and the bottom of the driving rear axle (17).
4. A lightweight balanced suspension according to claim 1 wherein: one side of the lower part of the balance shaft bracket (2) is provided with a balance shaft head (21) which is horizontally arranged, and a tensioning and positioning device is additionally arranged at the center of the balance shaft head (21).
5. The lightweight balanced suspension of claim 4 wherein: the tensioning and positioning device comprises a center bolt (4), a rubber bushing (6) and a flange gland (3), wherein the center bolt (4) axially penetrates through a balance shaft head (21), the rubber bushing (6) is sleeved on the outer side of the balance shaft head (21), and the outer side of the balance shaft head (21) is tightly pressed through the flange gland (3).
6. A lightweight balanced suspension according to claim 1 wherein: the beam mechanism comprises an upper beam (1) and a lower beam (18), wherein two ends of the upper beam (1) are connected with the lower beam (18) through beam connecting plates (11), and the widths of the plate bodies of the upper beam (1) and the lower beam (18) are gradually increased from inside to outside.
7. The lightweight balanced suspension of claim 6 wherein: the beam connecting plate (11) comprises an upper part which is longitudinally arranged and a lower part which is obliquely arranged inwards, two ends of the upper beam (1) are provided with bending ends, and the bending ends are provided with a plurality of light removing holes (15).
8. The lightweight balanced suspension of claim 6 wherein: a beam reinforcing plate (22) which is longitudinally arranged is arranged between the upper beam (1) and the lower beam (18).
9. A lightweight balanced suspension according to claim 1 wherein: the upper thrust mechanism comprises an upper thrust rod (12) and an upper thrust rod mounting seat (19), wherein the upper thrust rod mounting seat (19) is fixed on the upper part of the drive axle bracket (20), and the upper thrust rod (12) is a V-shaped thrust rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153904.1A CN106891681B (en) | 2017-03-15 | 2017-03-15 | Lightweight balanced suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153904.1A CN106891681B (en) | 2017-03-15 | 2017-03-15 | Lightweight balanced suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106891681A CN106891681A (en) | 2017-06-27 |
| CN106891681B true CN106891681B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710153904.1A Active CN106891681B (en) | 2017-03-15 | 2017-03-15 | Lightweight balanced suspension |
Country Status (1)
| Country | Link |
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| CN (1) | CN106891681B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521301A (en) * | 2017-07-04 | 2017-12-29 | 北汽福田汽车股份有限公司 | Equalizing type of suspension and vehicle |
| CN109278484A (en) * | 2018-11-22 | 2019-01-29 | 安徽福马汽车零部件集团有限公司 | A kind of lightweight high-intensity balance bridge |
| CN109955668B (en) * | 2019-04-09 | 2021-09-21 | 陕西重型汽车有限公司 | Vehicle balance suspension assembly structure |
| CN112757855A (en) * | 2021-01-04 | 2021-05-07 | 东风柳州汽车有限公司 | Balanced suspension and vehicle |
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| CN106891681A (en) | 2017-06-27 |
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