CN117087371A - Double-axle steering balance suspension system - Google Patents
Double-axle steering balance suspension system Download PDFInfo
- Publication number
- CN117087371A CN117087371A CN202311225212.5A CN202311225212A CN117087371A CN 117087371 A CN117087371 A CN 117087371A CN 202311225212 A CN202311225212 A CN 202311225212A CN 117087371 A CN117087371 A CN 117087371A
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- China
- Prior art keywords
- steering
- axle
- bridge
- assembly
- thrust rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 36
- 230000000712 assembly Effects 0.000 claims abstract description 36
- 238000000429 assembly Methods 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005065 mining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
Classifications
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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
- B60G11/113—Mountings on the axle
-
- 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
- B60G11/107—Sliding or rolling mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/006—Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/16—Arrangement of linkage connections
- B62D7/166—Arrangement of linkage connections substantially perpendicular, e.g. between tie-rod and steering knuckle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a double-axle steering balance suspension system, which relates to the technical field of heavy trucks and comprises a first axle and a second axle, wherein steering assemblies are arranged at two ends of the first axle and the second axle, wheel hub assemblies are arranged on the steering assemblies, and steering assemblies for controlling the steering of the wheel hub assemblies are arranged on the first axle and the second axle; the two ends of the first bridge and the second bridge are respectively provided with a sliding seat assembly, and a plate spring assembly is arranged between the two sliding seat assemblies on the same side. When the first bridge road surface is protruding and the second bridge road surface is sunken, the first bridge drives the front end of the plate spring assembly to move upwards, the plate spring rotates around the balance shaft in the middle of the plate spring, the second bridge drives the rear end of the plate spring to move downwards, and the front double bridges act together to share the load. When the first bridge road surface is concave and the second bridge road surface is convex, the whole system moves reversely, so that the effect of sharing the load by the front double bridges is achieved.
Description
Technical Field
The invention relates to the technical field of heavy trucks, in particular to a double-axle steering balance suspension system.
Background
The front double steering axle structure is mainly applied to heavy trucks and is beneficial to improving the carrying capacity of vehicles. At present, the domestic front double steering axle structure generally adopts two independent leaf spring suspension structures. The structure is applied to a wide mine card, so that the vehicle wheelbase is lengthened, and the turning radius is increased. And when the mining area severe working condition is used, two independent leaf spring suspension structures can cause the inconsistent condition of two bridge actual loads because of reasons such as ground fluctuation, the leaf spring fracture appears, two bridge tire wearing and tearing and other faults, seriously influence mining card availability factor, reduce economic benefits.
Disclosure of Invention
The present invention is directed to a dual-axle steering balance suspension system, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the double-axle steering balance suspension system comprises a first axle and a second axle, wherein both ends of the first axle and the second axle are respectively provided with a steering assembly, the steering assemblies are respectively provided with a wheel hub assembly, and the first axle and the second axle are respectively provided with a steering assembly for controlling the steering of the wheel hub assemblies;
the two ends of the first bridge and the second bridge are respectively provided with a sliding seat assembly, a plate spring assembly is respectively arranged between the two sliding seat assemblies on the same side, the upper end of the plate spring assembly is provided with a bearing hub assembly, the plate spring assembly and the bearing hub assembly are fixed by adopting U-shaped bolts, the two bearing hub assemblies are respectively bolted with a balanced suspension assembly, an intermediate plate is fixedly connected between the two balanced suspension assemblies, the balanced suspension assemblies are respectively fixedly connected with a truck girder, an inner thrust rod assembly is respectively arranged between the intermediate plate and the first bridge and between the intermediate plate and the second bridge, and an outer thrust rod assembly is respectively arranged between the two ends of the intermediate plate and between the first bridge and the second bridge.
As a further scheme of the invention: the steering assembly comprises steering arms, the steering arms are respectively arranged at the lower ends of the steering assembly, steering tie rods are arranged between the steering arms below the same bridge, upper ends of the steering assembly are respectively provided with upper pull arms, steering tie rods are respectively arranged between the two upper pull arms on the same side, ball joint hinge seats are respectively arranged at two ends of the steering tie rods and the two ends of the steering tie rods, the ball joint hinge seats are respectively connected with the upper pull arms and the steering arms in a rotating mode, and thrust assemblies for applying steering force are respectively arranged at one side lower ends of the first bridge and the second bridge.
As still further aspects of the invention: the length of the steering arm on the first bridge is longer than that of the steering arm on the second bridge.
As still further aspects of the invention: the thrust component comprises an oil cylinder base, the oil cylinder bases are respectively and fixedly connected to the positions, close to the middle, of the lower ends of one side of the first bridge and the lower ends of one side of the second bridge, steering oil cylinders are respectively and rotatably connected in the oil cylinder bases, and the output ends of the steering oil cylinders are respectively and rotatably connected with steering arms.
As still further aspects of the invention: the inner thrust rod assembly comprises an inner thrust rod, wherein both ends of the inner thrust rod are rotationally connected with inner thrust rod seats, and the inner thrust rod seats at both ends of the inner thrust rod are respectively and fixedly connected with the middle plate, the first bridge and the middle of the second bridge.
As still further aspects of the invention: the outer thrust rod assembly comprises an outer thrust rod, two ends of the outer thrust rod are respectively and rotatably connected with outer thrust rod seats, and the outer thrust rod seats at two ends of the outer thrust rod are respectively and fixedly connected with two ends of the middle plate, the first bridge and the second bridge.
As still further aspects of the invention: and the two ends of the outer thrust rod and the inner thrust rod are rotationally connected with the thrust rod seat in a ball head hinging mode.
As still further aspects of the invention: a plurality of reinforcing ribs are arranged between a vertical plate which is used for being fixed with a truck girder at the upper end of the balance suspension assembly and a support at the bottom of the balance suspension assembly.
As still further aspects of the invention: the plate spring assembly consists of a plurality of plate springs with different lengths.
As still further aspects of the invention: the sliding seat assembly is fixedly connected to the bridge deck of the first bridge and the bridge deck of the second bridge by bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can shorten the front double-axle distance and reduce the turning radius of the mine truck. The front double-axle type anti-collision device can adapt to the road surface with undulating mining areas, prevent the axles from being suspended, furthest exert the bearing capacity of the front double-axle, and improve the shock resistance of the heavy-load downhill front axle.
2. The plate spring assembly realizes the up-and-down swing of the front end and the rear end through the rotation of the balance shaft, and adapts to road condition fluctuation along with the first bridge and the second bridge to share the load together. When the first bridge road surface is protruding and the second bridge road surface is sunken, the first bridge drives the front end of the plate spring assembly to move upwards, the plate spring rotates around the balance shaft in the middle of the plate spring, the second bridge drives the rear end of the plate spring to move downwards, and the front double bridges act together to share the load. When the first bridge road surface is concave and the second bridge road surface is convex, the whole system moves reversely, so that the effect of sharing the load by the front double bridges is achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial structure in the present invention.
Fig. 3 is a schematic view of the structure of the truck frame according to the present invention when the truck frame is disassembled.
FIG. 4 is a schematic view of a balanced suspension assembly according to the present invention.
Wherein: 1. a bridge; 2. a second bridge; 3. a leaf spring assembly; 4. a sliding seat assembly; 5. a balanced suspension assembly; 6. truck girders; 7. a steering arm; 8. a pull-up arm; 9. a steering tie rod; 10. a steering cylinder; 11. a tie rod; 12. an outer thrust rod assembly; 121. an outer thrust rod seat; 122. an outer thrust rod; 13. an inner thrust rod assembly; 131. an inner thrust rod seat; 132. an inner thrust rod; 14. an intermediate plate; 15. a bearing hub assembly; 16. a steering assembly; 17. a hub assembly; 18. a ball joint seat; 19. an oil cylinder base; 20. u-shaped bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, in an embodiment of the present invention, a dual-axle steering balance suspension system includes a first axle 1 and a second axle 2, both ends of the first axle 1 and the second axle 2 are respectively provided with a steering assembly 16, the steering assemblies 16 are respectively provided with a hub assembly 17, and the first axle 1 and the second axle 2 are respectively provided with a steering assembly for controlling the steering of the hub assembly 17; a plurality of reinforcing ribs are arranged between a vertical plate which is used for being fixed with a truck girder 6 at the upper end of the balance suspension assembly 5 and a support at the bottom of the balance suspension assembly 5; the strength of the vertical plate at the upper end of the truck girder 6 can be effectively improved by the arranged reinforcing ribs; the invention can shorten the front double-axle distance and reduce the turning radius of the mine truck. The front double-axle type anti-collision device can adapt to the road surface with undulating mining areas, prevent the axles from being suspended, furthest exert the bearing capacity of the front double-axle, and improve the shock resistance of the heavy-load downhill front axle.
The steering assembly comprises steering arms 7, the steering arms 7 are respectively arranged at the lower ends of steering assemblies 16, steering tie rods 11 are arranged between the steering arms 7 below the same bridge, upper ends of the steering assemblies 16 are respectively provided with upper pull arms 8, steering tie rods 9 are respectively arranged between the two upper pull arms 8 on the same side, ball-head hinging seats 18 are respectively arranged at two ends of the steering tie rods 9 and the steering tie rods 11, the ball-head hinging seats 18 are respectively connected with the upper pull arms 8 and the steering arms 7 in a rotating way, the steering tie rods 9 are connected to the upper pull arms 8 of a first bridge 1 and a second bridge 2 through the ball-head hinging seats 18 to form a steering trapezoid, and thrust assemblies for applying steering force are respectively arranged at the lower ends of one sides of the first bridge 1 and the second bridge 2; the steering straight pull rod 9 is connected with the first bridge 1 and the second bridge 2 to drive the two bridges to synchronously move. The steering arm 7 of the first bridge 1 is longer than the steering arm 7 of the second bridge 2, and the steering angle difference of the first bridge 1 and the second bridge 2 is realized by combining the difference of the steering trapezoids of the first bridge 1 and the second bridge 2. The smooth steering of the front double bridge is realized.
The length of the steering arm 7 on the first bridge 1 is longer than that of the steering arm 7 on the second bridge 2; the thrust component comprises an oil cylinder base 19, the oil cylinder base 19 is respectively and fixedly connected to the lower ends of one side of the first axle 1 and the second axle 2, steering oil cylinders 10 are respectively and rotatably connected in the oil cylinder base 19, the output ends of the steering oil cylinders 10 are respectively and rotatably connected with the steering arms 7, and when steering, the steering oil cylinders 10 drive the steering arms 7 to move, and meanwhile, steering is realized under the cooperation of the tie rods 11 and the tie rods 9.
The two ends of the first bridge 1 and the second bridge 2 are respectively provided with a sliding seat assembly 4, the sliding seat assemblies 4 are fixedly connected to bridge decks of the first bridge 1 and the second bridge 2 through bolts, a plate spring assembly 3 is respectively arranged between the two sliding seat assemblies 4 on the same side, the plate spring assembly 3 consists of a plurality of plate springs with different lengths, the upper ends of the plate spring assemblies 3 are provided with bearing hub assemblies 15, the plate spring assemblies 3 and the bearing hub assemblies 15 are fixed through U-shaped bolts 20, the two bearing hub assemblies 15 are respectively bolted with a balanced suspension assembly 5, an intermediate plate 14 is fixedly connected between the two balanced suspension assemblies 5, a truck girder 6 is fixedly connected to the balanced suspension assembly 5, an inner thrust rod assembly 13 is respectively arranged between the middle of the intermediate plate 14 and the first bridge 1 and the second bridge 2, and an outer thrust rod assembly 12 is respectively arranged between the two ends of the intermediate plate 14 and the first bridge 1 and the second bridge 2.
The plate spring assembly 3 realizes the up-and-down swing of the front end and the back end through the rotation of the balance shaft, the first bridge 1 and the second bridge 2 are adapted to road condition fluctuation to share the load together, when the first bridge 1 is raised on the road surface and the second bridge 2 is recessed on the road surface, the first bridge 1 drives the front end of the plate spring assembly 3 to move upwards, the plate spring rotates around the balance shaft in the middle, the second bridge 2 drives the back end of the plate spring to move downwards, and the front bridge and the two bridges act together to share the load. When the pavement of the first bridge 1 is concave and the pavement of the second bridge 2 is convex, the whole system moves reversely, and the effect of sharing the load by the front double bridges can be achieved.
The inner thrust rod assembly 13 comprises an inner thrust rod 132, wherein both ends of the inner thrust rod 132 are rotatably connected with inner thrust rod seats 131, and the inner thrust rod seats 131 at both ends of the inner thrust rod 132 are fixedly connected with the middle plate 14, the first bridge 1 and the second bridge 2 respectively; the outer thrust rod assembly 12 comprises an outer thrust rod 122, wherein both ends of the outer thrust rod 122 are rotatably connected with outer thrust rod seats 121, and the outer thrust rod seats 121 at both ends of the outer thrust rod 122 are fixedly connected with the two ends of the middle plate 14, the first bridge 1 and the second bridge 2 respectively; both ends of the outer thrust rod 122 and the inner thrust rod 132 are rotationally connected with the thrust rod seat in a ball head hinging manner; the outer thrust rod assemblies 12 are arranged in a splayed manner in the Y direction, and limit the Y-direction deflection of the girder relative to the front double bridge. The outer 12 and inner 13 thrust rod assemblies are inclined in the Z direction, together limiting Z deflection of the girder relative to the front double bridge.
The working principle of the invention is as follows: the plate spring assembly 3 realizes the up-and-down swing of the front end and the back end through the rotation of the balance shaft, the first bridge 1 and the second bridge 2 are adapted to road condition fluctuation to share the load together, when the first bridge 1 is raised on the road surface and the second bridge 2 is recessed on the road surface, the first bridge 1 drives the front end of the plate spring assembly 3 to move upwards, the plate spring rotates around the balance shaft in the middle, the second bridge 2 drives the back end of the plate spring to move downwards, and the front bridge and the two bridges act together to share the load. When the road surface of the first bridge 1 is concave, the road surface of the second bridge 2 is convex, the whole system moves reversely, the effect that the front double bridges share the load jointly can be achieved, when the steering is carried out, the steering cylinder 10 drives the steering arm 7 to move, the steering straight pull rod 9 is connected with the first bridge 1 and the second bridge 2 to drive the two bridges to synchronously move, the steering arm 7 of the first bridge 1 is longer than the steering arm 7 of the second bridge 2, and the steering angle difference of the first bridge 1 and the second bridge 2 is realized by combining the steering trapezium difference of the first bridge 1 and the second bridge 2. The smooth steering of the front double bridge is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Although the present disclosure describes embodiments in terms of one embodiment, not every embodiment is provided with only one embodiment, and the description is for clarity only, and those skilled in the art should recognize that the embodiments described in the disclosure may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
Claims (10)
1. A double-axle steering balance suspension system comprising a primary axle (1) and a secondary axle (2), characterized in that: both ends of the first bridge (1) and the second bridge (2) are respectively provided with a steering assembly (16), the steering assemblies (16) are respectively provided with a hub assembly (17), and steering assemblies for controlling the steering of the hub assemblies (17) are respectively arranged on the first bridge (1) and the second bridge (2);
the two ends of the first bridge (1) and the second bridge (2) are respectively provided with a sliding seat assembly (4), a plate spring assembly (3) is respectively arranged between the two sliding seat assemblies (4) on the same side, the upper end of the plate spring assembly (3) is provided with a bearing hub assembly (15), the plate spring assembly (3) and the bearing hub assembly (15) are fixed by adopting U-shaped bolts (20), the two bearing hub assemblies (15) are respectively bolted with a balanced suspension assembly (5), an intermediate plate (14) is fixedly connected between the two balanced suspension assemblies (5), a truck girder (6) is fixedly connected on the balanced suspension assembly (5), an inner thrust rod assembly (13) is respectively arranged between the middle of the intermediate plate (14) and the first bridge (1) and the second bridge (2), and an outer thrust rod assembly (12) is respectively arranged between the two ends of the intermediate plate (14) and the first bridge (1) and the second bridge (2).
2. The double-axle steering balance suspension system according to claim 1, wherein the steering assembly comprises steering arms (7), the steering arms (7) are respectively arranged at the lower ends of the steering assemblies (16), steering tie rods (11) are respectively arranged between the steering arms (7) below the same axle, upper ends of the steering assemblies (16) are respectively provided with upper pull arms (8), steering tie rods (9) are respectively arranged between the two upper pull arms (8) on the same side, ball joint seats (18) are respectively arranged at two ends of the steering tie rods (9) and the steering tie rods (11), the ball joint seats (18) are respectively in rotary connection with the upper pull arms (8) and the steering arms (7), and thrust assemblies for applying steering force are respectively arranged at one side lower ends of the first axle (1) and the second axle (2).
3. A double-axle steering balanced suspension according to claim 2 wherein the length of the steering arm (7) on the primary axle (1) is greater than the length of the steering arm (7) on the secondary axle (2).
4. The double-axle steering balance suspension system according to claim 2, wherein the thrust component comprises an oil cylinder base (19), the oil cylinder base (19) is fixedly connected to the positions, close to the middle, of one side lower ends of the first axle (1) and the second axle (2), of the oil cylinder base (19), steering oil cylinders (10) are rotatably connected in the oil cylinder base (19), and output ends of the steering oil cylinders (10) are rotatably connected with steering arms (7) respectively.
5. The double-axle steering balance suspension system according to claim 1, wherein the inner thrust rod assembly (13) comprises an inner thrust rod (132), both ends of the inner thrust rod (132) are rotatably connected with inner thrust rod seats (131), and the inner thrust rod seats (131) at both ends of the inner thrust rod (132) are fixedly connected with the middle plate (14), the middle of the first axle (1) and the middle of the second axle (2) respectively.
6. The double-axle steering balance suspension system according to claim 5, wherein the outer thrust rod assembly (12) comprises an outer thrust rod (122), two ends of the outer thrust rod (122) are rotatably connected with outer thrust rod seats (121), and the outer thrust rod seats (121) at two ends of the outer thrust rod (122) are fixedly connected with two ends of the middle plate (14), the first axle (1) and the second axle (2) respectively.
7. The dual axle steering balance suspension system of claim 6, wherein both ends of the outer (122) and inner (132) thrust rods are pivotally connected to the thrust rod mounts by ball joints.
8. The double-axle steering balance suspension system according to claim 1, wherein a plurality of reinforcing ribs are arranged between a vertical plate fixed with a truck girder (6) at the upper end of the balance suspension assembly (5) and a support at the bottom of the balance suspension assembly (5).
9. A double axle steering balanced suspension according to claim 1 wherein the leaf spring assembly (3) consists of several leaf springs of different lengths.
10. The double-axle steering balance suspension system according to claim 1, wherein the sliding seat assembly (4) is fixedly connected to the bridge deck of the first axle (1) and the second axle (2) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311225212.5A CN117087371A (en) | 2023-09-21 | 2023-09-21 | Double-axle steering balance suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311225212.5A CN117087371A (en) | 2023-09-21 | 2023-09-21 | Double-axle steering balance suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117087371A true CN117087371A (en) | 2023-11-21 |
Family
ID=88777033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311225212.5A Pending CN117087371A (en) | 2023-09-21 | 2023-09-21 | Double-axle steering balance suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117087371A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553733A (en) * | 2024-01-12 | 2024-02-13 | 驰田汽车技术研发武汉有限公司 | Front axle detection device and hydro-pneumatic spring suspension structure |
-
2023
- 2023-09-21 CN CN202311225212.5A patent/CN117087371A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553733A (en) * | 2024-01-12 | 2024-02-13 | 驰田汽车技术研发武汉有限公司 | Front axle detection device and hydro-pneumatic spring suspension structure |
| CN117553733B (en) * | 2024-01-12 | 2024-04-09 | 驰田汽车技术研发武汉有限公司 | Front axle detection device and hydro-pneumatic spring suspension structure |
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| CB03 | Change of inventor or designer information |
Inventor after: Xia Mali Inventor after: Pi Zhiwei Inventor after: Xu Long Inventor after: Liu Chengyu Inventor after: Huang Yuhong Inventor before: Xia Mali Inventor before: Huang Yuhong Inventor before: Pi Zhiwei Inventor before: Xu Long Inventor before: Liu Chengyu |
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