CN109955668B - Vehicle balance suspension assembly structure - Google Patents
Vehicle balance suspension assembly structure Download PDFInfo
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- CN109955668B CN109955668B CN201910280227.9A CN201910280227A CN109955668B CN 109955668 B CN109955668 B CN 109955668B CN 201910280227 A CN201910280227 A CN 201910280227A CN 109955668 B CN109955668 B CN 109955668B
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- Prior art keywords
- balance shaft
- steel plate
- axle
- plate spring
- shell
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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
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
- B60G2202/112—Leaf spring longitudinally arranged
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a vehicle balance suspension assembly structure, which takes a vehicle frame as a bearing body of a suspension system, two ends of a steel plate spring are fixed at the upper end of an axle through an axle end assembly, a balance shaft upper structure is adopted, the steel plate spring is arranged at the lower end of a balance shaft shell, under the condition that the height distance between the axle and the vehicle frame is certain, the size and the weight of a balance shaft support can reach the optimum, the servicing quality is reduced, meanwhile, during bearing, the weight is transmitted to the balance shaft shell from the vehicle frame and then transmitted to the steel plate spring and the axle, the fixed connection stress condition between the balance shaft shell and the steel plate spring is reduced, the vehicle balance suspension assembly structure is not influenced by the bearing weight, the reliability is greatly improved, and the service life is greatly prolonged; the device adopts the shaft end assembly of the balance shaft to rotatably connect the leaf spring with the frame, has the capability of self-adaption to uneven road surfaces of the traditional balance suspension, increases the relative rotation height between the two axles, can adapt to complex cross-country road surfaces, and has the advantages of simple structure, light weight and high generalization degree.
Description
Technical Field
The invention relates to a steel plate spring balanced suspension assembly, in particular to a vehicle balanced suspension assembly structure.
Background
The suspension of the existing trailer mostly adopts a steel plate spring type with higher rigidity and smaller dynamic deflection, is mainly used for material transportation on a better road surface, and is difficult to meet the requirement of a cross-country road on the performance of the suspension. The existing steel plate spring balanced suspension assembly is shown in a schematic diagram of a traditional balanced suspension in fig. 5, and mainly comprises a balanced shaft assembly 1, a steel plate spring 2, a lower thrust rod 3, an axle 4, an upper thrust rod 5, a frame 6 and a U-shaped bolt 7, wherein the steel plate spring 2 is installed on the balanced shaft assembly 1 through the U-shaped bolt 7, two sides of the steel plate spring are respectively matched with a sliding plate seat of the axle 4, longitudinal limit is not caused, the axle 4 is installed on the frame 6 through the upper thrust rod 5 and the lower thrust rod 3, the posture and the motion track of the axle are ensured, and various forces and moments in the longitudinal direction and the transverse direction of a vehicle are borne.
The axle steering traction rod trailer has certain height difference between an upper frame and a lower frame of the axle steering traction rod trailer due to the existence of a steering device, and the front suspension and the rear suspension are respectively arranged on the lower frame and the upper frame.
Disclosure of Invention
The invention aims to provide a vehicle balanced suspension assembly structure to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vehicle balance suspension assembly structure comprises a balance shaft end assembly, a steel plate spring and a bridge end assembly; two ends of the steel plate spring are fixed at the upper end of the axle through an axle end assembly; the balance shaft end assembly comprises a balance shaft support, a balance shaft and a balance shaft shell, balance shaft mounting holes are formed in the balance shaft shell and the balance shaft support, the balance shaft shell is rotatably connected with the balance shaft support through the balance shaft, the balance shaft support is fixed on the frame, and the balance shaft shell is fixed at the upper end of the steel plate spring.
Furthermore, the end part of one end, connected with the balance shaft support, of the balance shaft is provided with a limiting boss, and the end part of one end, connected with the balance shaft shell in a rotating mode, of the balance shaft is limited and fixed through an end cover.
Further, the end cover is fixedly connected with the balance shaft through a fastening screw; the outer side of the end cover is provided with a sealing cover.
Further, the balance shaft is connected with the balance shaft support in an interference fit mode or fixedly connected or rotatably connected.
Further, a shaft sleeve is arranged between the balance shaft and the balance shaft shell.
Furthermore, the shaft sleeve adopts a double-sided oil passage structure.
Furthermore, the balance shaft support is welded on the frame through bolts; the balance shaft shell is fixedly connected with the steel plate spring through a first U-shaped bolt, and the axle end assembly is fixed on an axle through a second U-shaped bolt.
Furthermore, the outer side of the balance shaft shell is provided with a fastening bolt limiting groove.
Furthermore, a positioning hole is arranged on the contact surface of the balance shaft shell and the steel plate spring, and a positioning column is arranged on the steel plate spring.
Further, the axle end assembly comprises an axle end assembly shell and a bolt fixing plate, the bolt fixing plate comprises an upper fixing plate and a lower fixing plate, the axle is located between the upper fixing plate and the lower fixing plate, the steel plate spring is located between the axle end assembly shell and the upper fixing plate, and the axle end assembly shell, the steel plate spring and the bolt fixing plate are fastened through second U-shaped bolts.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a vehicle balance suspension assembly structure, which takes a vehicle frame as a bearing body of a suspension system, two ends of a steel plate spring are fixed at the upper end of an axle through an axle end assembly, a balance shaft upper structure is adopted, the steel plate spring is arranged at the lower end of a balance shaft shell, under the condition that the height distance between the axle and the vehicle frame is certain, the size and the weight of a balance shaft support can reach the optimum, the servicing quality is reduced, and meanwhile, during bearing, the weight is transmitted to the balance shaft shell from the vehicle frame and then transmitted to the steel plate spring and the axle, the fixed connection stress condition between the balance shaft shell and the steel plate spring is reduced, the vehicle balance suspension assembly structure is not influenced by the bearing weight, the reliability is greatly improved, and the service life is greatly prolonged; the device adopts the shaft end assembly of the balance shaft to rotatably connect the leaf spring with the frame, has the capability of self-adaption to uneven road surfaces of the traditional balance suspension, increases the relative rotating height between two axles, can adapt to complex cross-country road surfaces, has few connecting points with the frame, can realize modular installation, improves the adaptability of the whole vehicle modification, and has simple structure, light weight and high generalization degree.
Furthermore, the balance shaft is of a disconnected structure, one end of the balance shaft is arranged in a hole of the balance shaft support through interference assembly or fixation or rotation, the other end of the balance shaft support is provided with the shaft sleeve and the balance shaft shell, a rotary kinematic pair is formed between the balance shaft shell and the balance shaft, the shaft sleeve is of a double-sided oil duct structure, good lubrication effect is achieved when relative rotation is achieved between the balance shaft shell and the balance shaft, meanwhile, the shaft sleeve can also rotate, stress of the balance shaft shell is enabled to be uniform, and the service life of the balance shaft shell is prolonged.
Furthermore, the two end parts of the steel plate spring are fixed on the axle through the axle end assembly and the second U-shaped bolt, so that the position and the posture of the axle are changed along with the deformation of the steel plate spring, various forces transmitted from the road surface can be transmitted to the steel plate spring through the axle and finally reach the frame, a complex thrust rod mechanism is omitted, the whole vehicle is convenient to arrange, and the universality of parts is improved.
Furthermore, a positioning hole is formed in the contact surface of the balance shaft shell and the steel plate spring, and a positioning column is arranged on the steel plate spring, so that the balance shaft shell and the steel plate spring can be conveniently installed and positioned.
Further, the axle end assembly includes axle end assembly casing and bolt fixing plate, bolt fixing plate includes upper fixed plate and bottom plate, the axle is located between upper fixed plate and the bottom plate, leaf spring is located between axle end assembly casing and the upper fixed plate, axle end assembly casing, leaf spring and bolt fixing plate pass through second U type bolt-up, adopt axle end assembly casing to fix leaf spring, when preventing that the axle produces inclination around the driving process, leaf spring produces relative slip relative to axle end assembly casing and axle, leaf spring and the fixed relative stability of axle have been ensured.
Drawings
Fig. 1 is a schematic structural view of a balancing stand according to the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic view of a balance shaft structure according to the present invention.
Fig. 4 is a schematic view of a shaft sleeve structure.
Fig. 5 is a schematic view of a conventional counterbalanced suspension.
FIG. 6 is a schematic view of a bridge end assembly mounting arrangement.
Wherein, 1, balance shaft assembly; 2. a leaf spring; 3. a lower thrust rod; 4. an axle; 5. an upper thrust rod; 6. a frame; 7. a U-shaped bolt; 8. a balance shaft end assembly; 9. a bridge end assembly; 10. an axle; 11. a first U-shaped bolt; 12. a second U-shaped bolt; 13. a balance shaft support; 14. a balance shaft; 15. a balance shaft housing; 16. a shaft sleeve; 17. an end cap; 18. positioning holes; 19. a positioning column; 20. a bridge end assembly housing; 21. a bolt fixing plate; 22. a base plate; 23. a force transfer pin.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 to 4, a vehicle balanced suspension assembly structure comprises a balanced axle end assembly 8, a steel plate spring 2 and an axle end assembly 9; two ends of the steel plate spring 2 are fixed at the upper end of an axle 10 through an axle end assembly 9; the balance shaft end assembly 8 comprises a balance shaft support 13, a balance shaft 14 and a balance shaft shell 15, balance shaft mounting holes are formed in the balance shaft shell 15 and the balance shaft support 13, the balance shaft shell 15 is rotatably connected with the balance shaft support 13 through the balance shaft 14, the balance shaft support 13 is fixed on the frame 6, and the balance shaft shell 15 is fixed at the upper end of the steel plate spring 2; under the condition that the height distance between the vehicle axle 10 and the vehicle frame 6 is fixed, the size and the weight of the balance shaft support 13 can be optimized, the servicing quality is reduced, meanwhile, when the vehicle axle is loaded, the weight is transmitted to the balance shaft shell 15 from the vehicle frame 6 and then transmitted to the steel plate spring 2 and the vehicle axle 10, a balance shaft upper structure is adopted, the fixed connection stress condition between the balance shaft shell 15 and the steel plate spring 2 is reduced, the fixed connection part between the balance shaft shell 15 and the steel plate spring 2 is free from gravity, and only the pre-tightening force between the balance shaft shell 15 and the steel plate spring 2 is required to be met;
a limiting boss is arranged at the end part of one end of the balance shaft 14 connected with the balance shaft support 13, the end part of one end of the balance shaft 14 rotatably connected with the balance shaft shell 15 is limited and fixed through an end cover 17, and the end cover 17 is fixedly connected with the balance shaft 14 through a fastening screw; the balance shaft 14 is connected with the balance shaft support 13 in an interference fit manner or fixedly connected or rotationally connected; a sealing cover is arranged on the outer side of the end cover 17 to prevent dust or rainwater from corroding the end part of the balance shaft 14;
a shaft sleeve 16 is arranged between the balance shaft 14 and the balance shaft shell 15, so that a rotary motion pair is formed between the balance shaft 14 and the balance shaft shell 15; the shaft sleeve 16 adopts a double-sided oil channel structure, namely, circumferential oil channels are respectively arranged on the inner circumferential surface and the outer circumferential surface of the shaft sleeve 16, so that a good lubricating effect is achieved when the balance shaft 14 and the balance shaft shell 15 rotate relatively, and meanwhile, the shaft sleeve 16 can also rotate, so that the stress is uniform, and the service life is prolonged;
the frame 6 is used as a supporting body of a suspension system, and the balance shaft support 13 is welded on the frame 6 through bolts; the balance shaft shell 15 is fixedly connected with the steel plate spring 2 through the first U-shaped bolt 11, so that the first U-shaped bolt 11 only bears pretightening force and is not influenced by bearing weight, the reliability of the balance shaft shell is greatly improved, and the service life of the balance shaft shell is greatly prolonged; a fastening bolt limiting groove is formed in the outer side of the balance shaft shell 15, so that the first U-shaped bolt 11 can be conveniently installed and limited, and the first U-shaped bolt 11 is prevented from axially sliding relative to the balance shaft shell 15; a positioning hole 18 is formed in the contact surface of the balance shaft shell 15 and the steel plate spring 2, and a positioning column 19 is arranged on the steel plate spring 2, so that the balance shaft shell 15 and the steel plate spring 2 can be conveniently installed and positioned;
two ends of the steel plate spring 2 are fixed on an axle 10 through an axle end assembly 9 and a second U-shaped bolt 12, so that the position and the posture of the axle 10 change along with the deformation of the steel plate spring 2, various forces transmitted from a road surface can be transmitted to the steel plate spring 2 from the axle 10 and finally reach a frame 1, a complex thrust rod mechanism is cancelled, the whole vehicle is convenient to arrange, and the universality of parts is improved; as shown in fig. 6, the axle end assembly 9 includes an axle end assembly housing 20 and a bolt fixing plate 21, the bolt fixing plate 21 includes an upper fixing plate and a lower fixing plate, the axle 10 is located between the upper fixing plate and the lower fixing plate, the leaf spring 2 is located between the axle end assembly housing 20 and the upper fixing plate, and the axle end assembly housing 20, the leaf spring 2 and the bolt fixing plate 21 are fastened by a second U-shaped bolt 12; the axle end assembly shell 20 is coated on the outer side of the steel plate spring 2, the axle end assembly shell 20 is of a concave structure, an opening is formed in one side wall of the concave structure, the end part of the steel plate spring 2 is attached to the inside of the axle end assembly shell 20, the steel plate spring is fixed by the axle end assembly shell, the steel plate spring is prevented from sliding relative to the axle end assembly shell and an axle when a front axle and a rear axle generate inclination angles in the driving process, and the relative stability of the steel plate spring and the axle is ensured; a backing plate 22 is arranged between the plate spring 2 and the upper fixing plate, the backing plate 22 and the plate spring 2 are positioned through a force transmission pin 23, a downward bending part is arranged at the end part of the plate spring 2, the plate spring 2 is further positioned, the bending part is arranged downward on the spring steel plate layer at the lowest layer of the plate spring 2, double positioning fixing is adopted, and the connection stability between the plate spring 2 and the axle is further enhanced;
the structural principle and the using steps of the invention are further explained in the following with the attached drawings:
the frame 6 is used as a bearing body of a suspension system, the balance shaft support 13 is fastened on the frame 6 through bolts, a balance shaft upper structure is adopted, the steel plate spring 2 is arranged at the lower end of the balance shaft shell 15 through the first U-shaped bolt 11, under the condition that the height distance between the axle 10 and the frame 6 is certain, the size and the weight of the balance shaft support 13 can reach the optimal value, the preparation quality is reduced, meanwhile, during bearing, the weight is transmitted to the balance shaft shell 15 from the frame 6 and then transmitted to the steel plate spring 2 and the axle 6, so that the first U-shaped bolt 11 only bears the pretightening force, the influence of the bearing weight is avoided, and the reliability and the service life of the suspension system are greatly improved; the balance shaft 9 adopts a disconnected structure, one end of the balance shaft is arranged in a hole of the balance shaft support 13 through interference assembly or fixation or rotation, and the other end of the balance shaft is provided with a shaft sleeve 16 and a balance shaft shell 15, so that a rotary motion pair is formed between the balance shaft shell 15 and the balance shaft 13; as shown in the schematic structural diagram of the shaft sleeve 16 in fig. 4, the shaft sleeve 16 adopts a double-sided oil passage structure, so that when the balance shaft housing 15 and the balance shaft 13 rotate relatively, a good lubricating effect is achieved, and meanwhile, the shaft sleeve 16 can also rotate, so that the bearing is uniform, and the service life is prolonged; the two end parts of the steel plate spring 2 are fixed on the axle 10 through the axle end assembly 9 and the second U-shaped bolt 12, so that the position and the posture of the axle 10 change along with the deformation of the steel plate spring 2, various forces transmitted from the road surface can be transmitted to the steel plate spring 2 from the axle 10 and finally reach the frame 6, a complex thrust rod mechanism is cancelled, the whole vehicle is convenient to arrange, and the universality of parts is improved.
The suspension structure type has the capability of self-adaption of the uneven road surface of the traditional balance suspension, can adapt to the complex off-road surface, has few connection points with a frame, can realize modular installation, improves the refitting adaptability of the whole vehicle, and has simple structure, light weight and high generalization degree.
Claims (1)
1. A vehicle balance suspension assembly structure is characterized by comprising a balance shaft end assembly (8), a steel plate spring (2) and a bridge end assembly (9); two ends of the steel plate spring (2) are fixed at the upper end of an axle (10) through an axle end assembly (9); the balance shaft end assembly (8) comprises a balance shaft support (13), a balance shaft (14) and a balance shaft shell (15), balance shaft mounting holes are formed in the balance shaft shell (15) and the balance shaft support (13), the balance shaft shell (15) is rotatably connected with the balance shaft support (13) through the balance shaft (14), the balance shaft support (13) is fixed on the frame (6), the balance shaft shell (15) is fixed at the upper end of the leaf spring (2), and the balance shaft support (13) is welded on the frame (6) through bolts; the balance shaft shell (15) is fixedly connected with the steel plate spring (2) through a first U-shaped bolt (11), the axle end assembly (9) is fixedly connected with the axle (10) through a second U-shaped bolt (12), the axle end assembly (9) comprises an axle end assembly shell (20) and a bolt fixing plate (21), the bolt fixing plate (21) comprises an upper fixing plate and a lower fixing plate, the axle (10) is positioned between the upper fixing plate and the lower fixing plate, the steel plate spring (2) is positioned between the axle end assembly shell (20) and the upper fixing plate, the axle end assembly shell (20) is wrapped outside the steel plate spring (2), the axle end assembly shell (20), the steel plate spring (2) and the bolt fixing plate (21) are fastened through the second U-shaped bolt (12), the axle end assembly shell (20) is wrapped outside the steel plate spring (2), the axle end assembly shell (20) is of a concave structure, one side wall of the concave structure is provided with an opening, the end part of a steel plate spring (2) is attached to the inside of a bridge end assembly shell (20), a backing plate (22) is arranged between the steel plate spring (2) and an upper fixing plate, the backing plate (22) and the steel plate spring (2) are positioned through a force transmission pin (23), a downward bending part is arranged at the end part of the steel plate spring (2), a limiting boss is arranged at the end part of one end, connected with a balance shaft support (13), of a balance shaft (14), the end part of one end, rotatably connected with the balance shaft shell (15), of the balance shaft (14) is limited and fixed through an end cover (17), and the end cover (17) is fixedly connected with the balance shaft (14) through a fastening screw; the outer side of the end cover (17) is provided with a sealing cover, the balance shaft (14) is connected with the balance shaft support (13) in an interference fit mode or fixedly connected or rotatably connected, a shaft sleeve (16) is arranged between the balance shaft (14) and the balance shaft shell (15), the shaft sleeve (16) adopts a double-sided oil duct structure, a positioning hole (18) is formed in the contact surface of the balance shaft shell (15) and the steel plate spring (2), a positioning column (19) is arranged on the steel plate spring (2), and a fastening bolt limiting groove is formed in the outer side of the balance shaft shell (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280227.9A CN109955668B (en) | 2019-04-09 | 2019-04-09 | Vehicle balance suspension assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280227.9A CN109955668B (en) | 2019-04-09 | 2019-04-09 | Vehicle balance suspension assembly structure |
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| Publication Number | Publication Date |
|---|---|
| CN109955668A CN109955668A (en) | 2019-07-02 |
| CN109955668B true CN109955668B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910280227.9A Active CN109955668B (en) | 2019-04-09 | 2019-04-09 | Vehicle balance suspension assembly structure |
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| CN (1) | CN109955668B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003036B (en) * | 2019-07-09 | 2022-06-07 | 中车长春轨道客车股份有限公司 | Landing balance suspension structure and transfer system comprising same |
| CN111152614A (en) * | 2020-01-21 | 2020-05-15 | 中国重汽集团济南动力有限公司 | Double-stage vibration reduction high-adaptability balanced suspension system |
| CN112721556A (en) * | 2021-02-03 | 2021-04-30 | 中国重汽集团济南动力有限公司 | Balanced suspension assembly |
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| WO2007009470A1 (en) * | 2005-07-17 | 2007-01-25 | Mohammed Omar Badr El-Din | Sealing device |
| CN101890889A (en) * | 2010-07-02 | 2010-11-24 | 上汽依维柯红岩商用车有限公司 | Heavy truck four-U-bolt balanced suspension |
| CN101983877A (en) * | 2008-11-28 | 2011-03-09 | 陕西同力重工股份有限公司 | Large-carrying capacity off-highway dump truck |
| CN205149442U (en) * | 2015-11-25 | 2016-04-13 | 陕西重型汽车有限公司 | Disconnected back balance suspension and adopt highway tipper of this back balance suspension |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891681B (en) * | 2017-03-15 | 2023-08-29 | 山东安博机械科技股份有限公司 | Lightweight balanced suspension |
| CN107323195B (en) * | 2017-06-29 | 2019-07-02 | 山东杨嘉汽车制造有限公司 | A kind of suspension arrangement of semitrailer |
-
2019
- 2019-04-09 CN CN201910280227.9A patent/CN109955668B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007009470A1 (en) * | 2005-07-17 | 2007-01-25 | Mohammed Omar Badr El-Din | Sealing device |
| CN101983877A (en) * | 2008-11-28 | 2011-03-09 | 陕西同力重工股份有限公司 | Large-carrying capacity off-highway dump truck |
| CN101890889A (en) * | 2010-07-02 | 2010-11-24 | 上汽依维柯红岩商用车有限公司 | Heavy truck four-U-bolt balanced suspension |
| CN205149442U (en) * | 2015-11-25 | 2016-04-13 | 陕西重型汽车有限公司 | Disconnected back balance suspension and adopt highway tipper of this back balance suspension |
| 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 |
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| CN109955668A (en) | 2019-07-02 |
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