CN112721563A - Maintenance-free disconnected balance shaft assembly and balance suspension system - Google Patents
Maintenance-free disconnected balance shaft assembly and balance suspension system Download PDFInfo
- Publication number
- CN112721563A CN112721563A CN201911030418.6A CN201911030418A CN112721563A CN 112721563 A CN112721563 A CN 112721563A CN 201911030418 A CN201911030418 A CN 201911030418A CN 112721563 A CN112721563 A CN 112721563A
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- balance shaft
- flange
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- balance
- axle
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- 239000000725 suspension Substances 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910001141 Ductile iron Inorganic materials 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
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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
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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
- B60G2204/81—Interactive suspensions; arrangement affecting more than one suspension unit front and rear unit
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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
- B60G2204/8302—Mechanical
Abstract
The invention relates to a maintenance-free disconnected type balance shaft assembly and a balance suspension system, and belongs to the technical field of rear balance suspensions of heavy-duty automobiles. The balanced suspension system mainly includes: the balance shaft assembly comprises a plate spring, a V-shaped thrust rod and a lower thrust rod, and mainly comprises a balance shaft bracket, a balance shaft shell, a flange bushing, a flange and a bolt. The balance shaft assembly is arranged on two sides of the frame, the balance shaft support is fixed with the frame, the balance shaft shell and the plate spring are fastened into an assembly body through a riding bolt and a plate spring pressing plate, and the assembly body and the flange bushing sleeved on the balance shaft swing around the balance shaft together to meet the motion stroke of the suspension. The lower end of the balance shaft support is connected with one end of the lower thrust rod, and the other end of the balance shaft support is connected with the middle bridge and the rear bridge; two ends of the V-shaped thrust rod are fixed on the frame cross beam and the middle and rear axles. The suspension system is reliable in fastening, torsion resistance of the suspension system is guaranteed, the balance shaft support and the balance shaft shell are of a cavity and rib plate matching structure, high-performance ductile iron is adopted, the structure is light, and cost is low.
Description
Technical Field
The invention relates to the technical field of rear balance suspensions of heavy-duty automobiles, in particular to a maintenance-free disconnected balance shaft assembly and a balance suspension system.
Background
The balance suspension is a general term for all force transmission connecting devices between a frame and an axle or a wheel of an automobile, and the main functions of the suspension are to transmit all forces and moments acting between the wheel and a vehicle body, such as supporting force, braking force, driving force and the like, and relieve impact load transmitted to the vehicle body from an uneven road surface, damp vibration caused by the impact load, ensure comfort of passengers, and reduce dynamic load of cargos and the vehicle.
At present, a double-rear-axle balance suspension of a road tractor mainly adopts an integral balance shaft and a balance connecting shaft to be in an integral through type, and the balance shaft and the balance connecting shaft are integrally communicated, so that the weight of a balance shaft assembly is increased, the jumping distance of a transmission shaft is small, the interchangeability is poor, the economy of an automobile is reduced, and the maintenance cost is high; most of the lubricating oil is lubricated by heavy-load gear oil or lubricating grease, and the problems of oil leakage and pollution are not solved effectively all the time; along with the stricter laws and regulations such as environmental protection and load limitation in the transportation industry, the insufficient performance of the suspension structure is not beneficial to the light weight development requirement of the road tractor. In order to solve the problems, the invention develops a maintenance-free balance shaft and a balance suspension system with high performance and light weight, reduces the self weight of a vehicle chassis and can meet the requirement of a user on pulling more goods
Disclosure of Invention
In order to solve the problems in the prior art, the invention discloses a maintenance-free disconnected balance shaft assembly and a balance suspension system with high performance and light weight, the balance shaft assembly comprises a balance shaft and a balance shaft bracket which are integrally formed, the balance shaft and the balance shaft bracket are hollow, the balance shaft bracket is positioned at the rear side end of the balance shaft, the balance bracket comprises two symmetrical vehicle frame ventral surface mounting plates which extend upwards, a vehicle frame cross beam mounting plate which extends towards the rear side and a U-shaped lower thrust rod mounting plate which extends downwards, the vehicle frame cross beam mounting plate, the vehicle frame ventral surface mounting plate and the thrust rod mounting plate are all provided with mounting holes, wherein the two vehicle frame ventral surface mounting plates are vertical V-shaped broadsword, the vehicle frame cross beam mounting plates are horizontal plates, the mounting holes are uniformly distributed on respective plate surfaces, the root parts of the vehicle frame cross beams are provided with arc-shaped grooves, the groove is used for clamping and supporting the frame during installation and connection; the thrust rod mounting plate is a vertically arranged U-shaped plate, and mounting holes in the thrust rod mounting plate penetrate through the bottoms of wing plates on two sides of the U-shaped plate along the length direction of the U-shaped plate; the balance shaft is sleeved with a flange bushing, a flange is fixed at the front side end of the balance shaft through a bolt, the flange compresses the flange bushing axially, the inner side of the flange bushing props against the balance shaft support, a balance shaft shell is sleeved on the outer side of the flange bushing, and the balance shaft shell can rotate around the balance shaft. The rear frame of each automobile is provided with two balance shaft assemblies which are respectively arranged on two sides of the frame, the design is different from the integral through design of the balance shaft of the traditional automobile, and meanwhile, the design of hollow and connecting reinforcing ribs is adopted, so that the weight of the balance shaft assemblies is effectively reduced, and the lightweight design is realized.
Furthermore, the upper part of the outer periphery ring of the balance shaft shell is provided with a plurality of semicircular bosses, the upper surfaces of the bosses are provided with two inwards-concave weight reducing grooves, the weight of the assembly is further reduced, a plate spring fixing hole with internal threads is formed in the center between the two weight reducing grooves, vertical plates are respectively arranged on the front side and the rear side of the upper surface of each boss, and vertical bolt through holes are respectively formed in the four corners of the lower end of each boss.
Further, the flange bush is a rubber and steel plate composite structure, one side edge of the flange bush is turned outwards to form a convex edge, the outer side of the balance shaft is sleeved with the two flange bushes, the convex edges of the two flange bushes are respectively located on the opposite outer sides of the two flange bushes, and the balance shaft shell is sleeved between the convex edges of the two flange bushes. The two flange bushings with the convex edges are adopted to form a clamping groove between the two convex edges to clamp the balance shaft shell on the outer side of the two convex edges, and meanwhile, the balance shaft shell is convenient to mount. The flange bushing is of a metal steel plate and rubber vulcanization composite structure, and the metal steel plate is respectively embedded in the periphery of the flange bushing in the axial direction and the radial direction so as to provide sufficient radial rigidity, axial rigidity, deflection rigidity and torsional rigidity, and the failure caused by too large rubber deformation can be avoided while the bearing capacity of a suspension system is ensured.
Furthermore, a circle of 6 small bolt holes are axially formed in the end face of the outer side of the balance shaft, a large bolt hole is formed in the center of the balance shaft, seven through holes with six sizes are correspondingly formed in the flange, the flange is fixed to the end face of the outer side of the balance shaft through the 6 small bolts and the large bolt to form an assembly body, and the flange is mainly used for axially and inwardly squeezing the flange bushing.
Meanwhile, the invention designs a maintenance-free disconnected type balance suspension system, which comprises two balance shaft assemblies, a plate spring, a V-shaped thrust rod and a lower thrust rod, wherein the two balance shaft assemblies are respectively positioned at two sides of a frame and positioned between a middle axle and a rear axle of the frame, a frame cross beam mounting plate of a balance shaft bracket of each balance shaft assembly is fixed on the lower side surface of a frame cross beam at the same side through bolts, and a frame ventral surface mounting plate is fixed on the ventral surface of the frame through bolts; the spring is pressed on the upper surface of a balance shaft shell of the balance shaft, the middle part of the spring is clamped between two vertical plates on the upper surface of the balance shaft shell and is fixed through two riding bolts, the two riding bolts are respectively positioned on two sides of a boss of the balance shaft shell, the lower end of the riding bolt penetrates through a bolt through hole at the lower end of the boss to be fixed after the riding bolt presses the spring, and two ends of the spring are respectively fixed on a middle axle and a rear axle of the frame; the number of the V-shaped thrust rods is two, each V-shaped thrust rod is provided with 1 big head end and two small head ends, the big head ends of the two V-shaped thrust rods are respectively connected with the middle parts of the middle axle and the rear axle, the two small head ends are respectively connected with the middle parts of the inner sides of the frames at two sides, and the V-shaped thrust rods can bear longitudinal force and lateral force transmitted by a road surface and have the function of stabilizing vehicle running; the number of the lower thrust rods is four, the lower thrust rods are respectively used for connecting two ends of the middle axle and the rear axle with the balance shaft assembly, and the connecting ends of the lower thrust rods and the balance shaft assembly are fixed in mounting holes in one side of the thrust rod mounting plate of the balance shaft support through bolts.
Furthermore, a plate spring pressing plate is arranged on the upper side of the middle of the plate spring, two riding bolts on the plate spring respectively press two ends of the plate spring pressing plate to be fixed, and through holes corresponding to the plate spring fixing holes of the balance shaft shell are formed in the centers of the plate spring and the plate spring pressing plate respectively and are provided with bolts for connection and fixation.
Furthermore, ball pin metal bearings are welded at the end parts of the V-shaped thrust rod and the lower thrust rod in a friction welding mode and are connected, each ball pin metal bearing is composed of a ball pin and a spherical outer ring, and the ball pin is made of high-performance ductile iron or a forged piece.
In the prior art, the maintenance-free disconnected balance shaft assembly and the balance suspension system designed by the invention have the following improvements: firstly, the balance shaft assembly is arranged on two sides of a frame in a disconnected design and forms a balance suspension system together with a plate spring, a V-shaped thrust rod and a lower thrust rod, compared with the traditional through balance shaft, the weight of the suspension is effectively reduced, and meanwhile, the balance shaft shell and the thrust rod are all optimized lightweight structures and lightweight materials, so that the light-weight requirement of a road tractor is met; in addition, the flange bushing of a steel plate and rubber composite structure is applied to the balance shaft assembly, lubrication is not needed, the rigidity-variable performance is achieved, sufficient radial rigidity, axial rigidity, deflection rigidity and torsional rigidity can be provided, the bearing capacity of a suspension system is guaranteed, rubber deformation caused by too large deformation can be avoided from losing efficacy, lubrication maintenance is not needed, the vibration isolation performance and the smoothness of the frame are good, and the comfort of a vehicle is further improved; the end part of the balance shaft is axially pre-tightened and pressed with the flange by six small bolts and one large bolt, so that metal surfaces of the two parts are in contact, the problem that the bolts cannot be screwed down due to the elastic influence of rubber is avoided, and the reliable fastening of the suspension is ensured.
Drawings
FIG. 1 is a schematic structural view of a balance shaft assembly according to the present invention;
FIG. 2 is a schematic view of a balance shaft support structure of the present invention;
FIG. 3 is a schematic view of a balance shaft housing structure according to the present invention;
FIG. 4 is a schematic perspective view of a balanced suspension system according to the present invention
Description of the reference numerals
1 frame, 2 lower push supports, 3 spring sliding plates, 4 middle axles, 5 leaf springs, 6 riding bolts, 7 leaf spring pressing plates, 8 balance shaft assemblies, 9 lower push rods, 10 rear axles, 11 limiting blocks, 12-V-shaped push rods, 13 frame cross beams, 81 balance shaft supports, 82 balance shaft shells, 83 flange bushes, 84 flanges, 85 small bolts, 86 large bolts, 81a frame cross beam mounting plates, 81b frame ventral surface mounting plates, 81c balance shafts, 81d lower push rod mounting plates, 82a weight reduction grooves, 82b vertical plates, 82c cylindrical holes, 82d leaf spring mounting holes and 82e bolt through holes
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1
As shown in fig. 1 and 2, the maintenance-free disconnected balance shaft assembly designed by the invention comprises a balance shaft support 81 and a balance shaft 81c which are integrally formed, wherein the middle rear part of the balance shaft support 81 and the balance shaft 81c is hollow, the balance shaft support 81 is positioned at the rear side end of the balance shaft 81c and comprises two symmetrical frame ventral surface mounting plates 81b which extend upwards and are in a V shape, a frame cross beam mounting plate 81a which extends backwards and a lower thrust rod mounting plate 81d which extends downwards and is in a U shape, the two frame ventral surface mounting plates 81b are vertically arranged, the middle part of each plate is in a large arc shape, and each plate is provided with two rows of fourteen mounting holes which are used for being mounted and connected with the ventral surface of a frame. The frame cross beam mounting plate 81a is horizontally arranged, the root part of the frame cross beam mounting plate is arc-shaped and bent, the upper surface of the frame cross beam mounting plate is provided with a connecting reinforcing rib, and four mounting holes are formed in the frame cross beam mounting plate 81a and connected with a frame cross beam. The lower thrust rod mounting plate 81d is disposed in a U shape extending in a direction perpendicular to the axial direction of the balance shaft, and mounting holes extending in the length direction are formed in the bottoms of wing plates on both sides of the lower thrust rod mounting plate for connecting the lower thrust rod.
Two oppositely arranged flange bushings 83 are sleeved on the periphery of the balance shaft 81c, one side edge of each flange bushing 83 is turned outwards to form a folded edge, when the two flange bushings 83 are oppositely arranged, the folded edges of the two flange bushings are positioned at opposite outer sides, a groove is formed between the two folded edges, the flange bushings 83 are of a rubber and steel plate composite structure, and metal steel plates are respectively embedded in the periphery of the flange bushings 83 in the axial direction and the radial direction so as to provide enough radial rigidity, axial rigidity, deflection rigidity and torsional rigidity. The balancing shaft housing 82 is fitted in a groove formed by the two flange bushings 83, and the width of the balancing shaft housing 82 is the same as that of the groove. The outer end face of the balance shaft 81c is provided with a circle of 6 small bolt holes and a large bolt hole at the center along the axial direction, the flange 84 is fixed through six small bolts 85 and a large bolt 86, and the flange 84 presses the flange bush 83 inwards along the axial direction to form an assembly whole.
As shown in fig. 3, the balance shaft housing 82 has a cylindrical hole 82c at the center thereof for receiving the flange bushing 83, and has an inner diameter equal to an outer diameter of the recess formed by the flange bushings 83, and is rotatable about the balance shaft 81 c. The upper part of the outer circumference ring of the balance shaft shell 82 is provided with a plurality of semicircular bosses, the upper surface of each boss is provided with two weight-reducing grooves 82a which are concave inwards, the weight of the assembly is further reduced, and a plate spring fixing hole 82d with internal threads is arranged at the center between the two weight-reducing grooves 82 a. In addition, vertical plates 82b are respectively arranged on the front side and the rear side of the upper surface of the boss, and vertical bolt through holes 82e are respectively arranged at four corners of the lower end of the boss.
Example 2
As shown in fig. 4, the present invention also designs a maintenance-free disconnected type vehicle balanced suspension system, which is installed on a vehicle frame 1 and includes two balanced shaft assemblies 8, two V-shaped thrust rods 12, four lower thrust rods 9 and two leaf springs 5, which are described in embodiment 1.
The two balance shaft assemblies 8 are respectively arranged in the middle of two sides of the frame 1 and positioned between the middle axle 4 and the rear axle 10 of the vehicle, the two frame ventral surface mounting plates 81b of the balance shaft bracket 81 of each balance shaft assembly 8 are respectively fixed on the ventral surface of the frame 1 through 14 bolts, and the frame cross beam mounting plate 81a is fixed on the lower surface of the frame cross beam 13 of the frame 1 through 4 bolts.
The middle part of the plate spring 5 is pressed on the balance shaft assembly 8, the plate spring 5 is clamped between two vertical plates 82b on the upper surface of the balance shaft shell 82 in a specific position, a plate spring pressing plate 7 is arranged on the upper side of the middle part of the plate spring 5, riding bolts 6 are respectively arranged at two ends of the plate spring pressing plate 7 and downwards press the plate spring 5, and the lower parts of the two riding bolts 6 respectively penetrate through bolt through holes 82e on two sides of the lower end of a boss of the balance shaft shell 82 and then are fixed. Meanwhile, through holes corresponding to the plate spring mounting holes 82d are formed in the centers of the plate spring pressing plate 7 and the plate spring 5, respectively, and are sequentially fixed by passing bolts therethrough. The two ends of the plate spring 5 are respectively fixed on the middle axle 4 and the rear axle 10 through the spring sliding blocks 3.
The four lower thrust rods 9 are respectively used for connecting two ends of the middle axle 4 and the rear axle 10 with the balance shaft assembly 8 on the same side, the two ends of the lower thrust rods 9 are respectively welded with ball pin metal bearings in a friction welding mode, each ball pin metal bearing is composed of a ball pin and a spherical metal outer ring on the periphery of the ball pin, and the ball pin is cast by adopting ductile iron. The connecting end of the ball pin is connected with the connecting end of the middle axle 4 or the rear axle 10 through the lower push bracket 2, the connecting end of the ball pin is connected with the two sides of the lower push rod mounting plate 81d, and the mounting holes at the two ends of the ball pin are respectively connected and fixed with the mounting holes of the wing plates at the two sides of the U-shaped plate of the lower push rod mounting plate 81d through bolts.
The V-shaped thrust rod 12 is formed by two thrust rods in a V shape to form a big head end and two small head ends, the big head end and the small head ends are respectively welded with ball pin metal bearings in a friction welding mode, and the structure of the ball pin metal bearings is the same as that of the lower thrust rod 9. The big end ends of the two V-shaped thrust rods 12 are respectively hinged at the middle parts of the middle axle 4 and the rear axle 10, and the small end ends of the two V-shaped thrust rods are respectively hinged at the two ends of the frame cross beam 13.
In addition, two limiting blocks 11 are respectively connected to the lower parts of the two sides of the frame 1 corresponding to the middle axle 4 and the rear axle 10 through bolts, and the limiting blocks 11 protect the suspension.
According to the disconnected type balance suspension system designed by the invention, the maintenance-free flange bushing is arranged between the balance shaft and the balance shaft shell, the structure is light, the lubrication and maintenance are not needed, and the chassis has good vibration isolation performance and smoothness, so that the vehicle comfort is further improved, and the light development requirement of a highway traction truck is also met.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (7)
1. Non-maintaining disconnected balanced axle assembly, its characterized in that, balanced axle assembly includes integrated into one piece's balanced axle and balanced axle support, the inside cavity of the two, balanced axle support is located the rear side end of balanced axle, balanced support includes the frame ventral surface mounting panel of two symmetries that upwards stretches out, the frame cross member mounting panel that stretches out to the rear side and the lower push rod mounting panel of the U type that stretches out downwards, all open the mounting hole on frame cross member mounting panel, frame ventral surface mounting panel and the lower push rod mounting panel, the cover has the flange bush on the balanced axle, the preceding side end of balanced axle has the flange through the bolt fastening, the flange axial compresses tightly the flange bush, the flange bush overcoat has the balanced axle housing.
2. The maintenance-free disconnected balancing shaft assembly according to claim 1, wherein a plurality of semicircular bosses are arranged on the upper portion of the outer circumferential ring of the balancing shaft housing, two lightening grooves are formed in the upper surface of each boss, a plate spring fixing hole is formed in the center between the two lightening grooves, vertical plates are respectively arranged on the front side and the rear side of the upper surface of each boss, and vertical bolt through holes are respectively formed in four corners of the lower end of each boss.
3. The maintenance-free disconnected balance shaft assembly according to claim 2, wherein the flange bushing is a rubber and steel plate composite structure, one side edge of the flange bushing is turned outwards to form a flange, two flange bushings are sleeved on the outer side of the balance shaft, the flanges of the two flange bushings are respectively located on the opposite outer sides of the flange bushing, and the balance shaft housing is sleeved between the flanges of the two flange bushings.
4. The maintenance-free disconnected balance shaft assembly according to claim 3, wherein a circle of 6 small bolt holes are formed in the outer end face of the balance shaft, a large bolt hole is formed in the center of the balance shaft, and the flange is fixed to the outer end face of the balance shaft through 6 small bolts and a large bolt.
5. The maintenance-free disconnected type balance suspension system is characterized by comprising two balance shaft assemblies, a plate spring, a V-shaped thrust rod and a lower thrust rod, wherein the two balance shaft assemblies are respectively positioned on two sides of a frame and between a middle axle and a rear axle of the frame, a frame cross beam mounting plate of a balance shaft bracket of each balance shaft assembly is fixed on the lower side surface of a frame cross beam through bolts, and a frame ventral surface mounting plate is fixed on the ventral surface of the frame through bolts; the spring is pressed on the upper surface of a balance shaft shell of the balance shaft, the middle part of the spring is clamped between two vertical plates on the upper surface of the balance shaft shell and is fixed through two riding bolts, the two riding bolts are respectively positioned on two sides of a boss of the balance shaft shell, the lower end of the riding bolt penetrates through a bolt through hole at the lower end of the boss to be fixed after the riding bolt presses the spring, and two ends of the spring are respectively fixed on a middle axle and a rear axle of the frame; the number of the V-shaped thrust rods is two, each V-shaped thrust rod is provided with 1 big head end and two small head ends, the big head ends of the two V-shaped thrust rods are respectively connected with the middle parts of the middle axle and the rear axle, and the two small head ends are respectively connected with the middle parts of the inner sides of the two sides of the frame; the number of the lower thrust rods is four, the lower thrust rods are respectively used for connecting two ends of the middle axle and the rear axle with the balance shaft assembly, and the connecting ends of the lower thrust rods and the balance shaft assembly are fixed in mounting holes in one side of the thrust rod mounting plate of the balance shaft support through bolts.
6. The maintenance-free disconnected type balanced suspension system of claim 5, wherein a plate spring pressing plate is arranged on the upper side of the middle part of the plate spring, two riding bolts on the plate spring respectively press two ends of the plate spring pressing plate to be fixed, and through holes corresponding to the plate spring fixing holes of the balance shaft shell are respectively formed in the centers of the plate spring and the plate spring pressing plate and are connected and fixed through bolts.
7. The maintenance-free disconnected type balanced suspension system of claim 6, wherein the ends of the V-shaped thrust rod and the lower thrust rod are connected by welding ball pin metal bearings through friction welding, each ball pin metal bearing is composed of a ball pin and a spherical outer ring, and each ball pin is made of high-performance ball iron or forged piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030418.6A CN112721563A (en) | 2019-10-28 | 2019-10-28 | Maintenance-free disconnected balance shaft assembly and balance suspension system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030418.6A CN112721563A (en) | 2019-10-28 | 2019-10-28 | Maintenance-free disconnected balance shaft assembly and balance suspension system |
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| Publication Number | Publication Date |
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| CN112721563A true CN112721563A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030418.6A Pending CN112721563A (en) | 2019-10-28 | 2019-10-28 | Maintenance-free disconnected balance shaft assembly and balance suspension system |
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| CN (1) | CN112721563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606057A (en) * | 2018-12-29 | 2019-04-12 | 中国重汽集团济南动力有限公司 | A kind of rear suspension trunnion base |
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| CN206598688U (en) * | 2016-12-05 | 2017-10-31 | 中国第一汽车股份有限公司 | A kind of equalizing type of suspension assembly |
| CN107512146A (en) * | 2017-08-31 | 2017-12-26 | 中国重汽集团济南动力有限公司 | A kind of rubber bushing of balance shaft and equalizing type of suspension assembly |
| RU180518U1 (en) * | 2017-11-28 | 2018-06-14 | Публичное акционерное общество "КАМАЗ" | REAR BALANCING SUSPENSION OF A 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 |
| CN110370882A (en) * | 2019-08-17 | 2019-10-25 | 安徽安凯金达机械制造有限公司 | A kind of lightweight disconnected balance shaft suspension assembly structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606057A (en) * | 2018-12-29 | 2019-04-12 | 中国重汽集团济南动力有限公司 | A kind of rear suspension trunnion base |
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Application publication date: 20210430 |