CN219806901U

CN219806901U - Semitrailer suspension with axle tire lifting device

Info

Publication number: CN219806901U
Application number: CN202321279814.4U
Authority: CN
Inventors: 冯敬考; 冯敬田; 冯东涛
Original assignee: Hebei Chunhui Special Purpose Vehicle Manufacturing Co ltd
Current assignee: Hebei Chunhui Special Purpose Vehicle Manufacturing Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-10
Anticipated expiration: 2033-05-25

Abstract

The utility model relates to the technical field of semitrailer suspensions, in particular to a semitrailer suspension with an axle tire lifting device, which comprises an underframe and a top frame, wherein the number of the underframe is two, reinforcing rods for reinforcing are connected between the underframe, a first suspension and a second suspension are respectively connected at two ends of the underframe, and an outer expanding frame is connected at the middle section of the underframe. According to the utility model, the top frame is connected with the bottom frame through the buffer blocks at two ends, the buffer spring rods below the buffer blocks are matched with the damping springs to support the top frame, when loaded cargoes exist on the top frame, the top frame automatically presses down to enable the lifting suspension to fall to be in contact with the ground, and when the load is lighter, the lifting suspension moves upwards, and is a complete suspension system, and the full functions of the first suspension and the second suspension are realized, so that the reduced wheel consumption is realized, and meanwhile, the full functions of the suspension system are realized, and the whole is more stable.

Description

Semitrailer suspension with axle tire lifting device

Technical Field

The utility model relates to the technical field of semitrailer suspensions, in particular to a semitrailer suspension with an axle tire lifting device.

Background

In the automotive field, in particular in the field of freight vehicles, there is a constant need for multiple pull, fast running and reduced operating costs. In order to protect road facilities such as roads and bridges, traffic units have strict restrictions on the axle load of vehicles.

In the prior art, in order to increase the nuclear load tonnage of the vehicle, manufacturers generally popularize 6×2, 6×4, 8×4 and other multi-axle series vehicle types, and the vehicle types have the outstanding advantages of reasonable axle load distribution, large bearing capacity, good stability, large driving force and braking force and the like, however, the vehicle has the defects that unnecessary power loss exists among the axles when the vehicle runs in an idle state, and the problems of low idle running speed, large oil consumption, serious tire wear, large noise and the like are outstanding.

Wherein patent number CN215851572U discloses a semitrailer rear wheel axle pulling device, include: the two groups of fences are symmetrically and vertically fixedly arranged on the upper surface of the main board, the lower surface of the main board is fixedly provided with a placing plate through two mounting rods, an axle is fixedly arranged on the placing plate, and the left end and the right end of the axle are hinged with moving assemblies; the utility model discloses a semi-trailer suspension with a tire lifting device, which comprises a semi-trailer body, a tire lifting device, a tire lifting mechanism and a tire lifting mechanism, wherein the lifting mechanism is used for lifting a moving assembly, the lifting mechanism is used for lifting the moving assembly, the lifting mechanism comprises two groups of connecting parts and a driving part, the connecting parts are used for being connected with the moving assembly, the driving part is used for providing driving force for the connecting parts to change positions, the moving assembly hinged to the left end and the right end of the axle can move only when the semi-trailer body is in a loading state under the cooperation of the driving part and the connecting parts, and when the semi-trailer body is in an unloading state, the moving assembly can be lifted, but the wheels are recovered, the consumption of the wheels of the semi-trailer body is reduced, and the driving steering and shock absorption buffering functions of the suspension body are not realized.

Disclosure of Invention

The utility model aims to provide a semitrailer suspension with an axle tire lifting device, which is realized by arranging an underframe, a top frame, a lifting suspension and an expanding frame, wherein the underframe is used for connecting and fixing a first suspension and a second suspension, the first suspension and the second suspension are used for supporting a semitrailer, the top frame is matched with buffer blocks at two ends to be connected with the underframe, a buffer spring rod below the buffer blocks is matched with a damping spring to support the top frame, when loaded cargoes exist on the top frame, the top frame is automatically pressed down, the lifting suspension falls down to be in contact with the ground, and when the load is lighter, the lifting suspension moves upwards, is a complete suspension system, has all functions of the first suspension and the second suspension, reduces the wheel consumption, and meanwhile, has all functions of a suspension system, and is more stable in whole.

Therefore, the utility model provides a semitrailer suspension with an axle tire lifting device, which comprises an underframe and a top frame, wherein the number of the underframe is two, reinforcing rods for reinforcement are connected between the underframe, two ends of the underframe are respectively connected with a first suspension and a second suspension, the middle section of the underframe is connected with an outer expanding frame, buffer spring rods are arranged at two ends of the outer expanding frame above the underframe, the top frame is a quadrangular frame body, buffer blocks are arranged at two ends of the top frame, the buffer spring rods penetrate through the buffer blocks and are connected with the upper part of the underframe, damping shock springs are sleeved between the underframe and the top frame outside the buffer spring rods, lifting suspensions are arranged in the top frame, and the lifting suspensions are arranged between the outer expanding frames.

Preferably: the first suspension comprises a driving box, leaf springs and a bridge frame, wherein the driving box is arranged between the inner sides of the bottom frame, the number of the leaf springs is two, the leaf springs are respectively connected with the outer sides of the bottom frame through fixing pins, two sides of the bridge frame are connected between the lowest points of the leaf springs, hanging lugs are respectively arranged at the two tail ends of the bridge frame, a hub is connected with the outer sides of each hanging lug, a power output shaft below the driving box is connected with one end of a transmission rod, the other end of the transmission rod is connected with one end of each hanging lug, and one end of the corresponding hanging lug is connected with the other end of the transmission rod, and the other end of the corresponding steering rod is connected with one outer end of the other hanging lug.

Preferably: the second suspension and the first suspension have the same structure.

Preferably: the structure of the lifting suspension is the same as that of the first suspension, and a driving box and a leaf spring in the lifting suspension are respectively arranged on the inner side and the outer side of the top frame.

Preferably: reinforcing rods are also arranged in the top frame.

Preferably: the number of the reinforcing rods is several.

Preferably: the buffer block is positioned on the outer side of the buffer spring rod and is penetrated with a positioning hole, one end of the positioning rod is inserted into the positioning hole, and the other end of the positioning rod is connected to the underframe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the underframe, the top frame, the lifting suspension and the outer expanding frame are arranged, the first suspension and the second suspension are connected and fixed by the underframe, the first suspension and the second suspension are used for supporting the semitrailer, the buffer blocks at two ends of the top frame are matched with the underframe to be connected, the buffer spring rods below the buffer blocks are matched with the damping springs to support the top frame, when loaded cargoes exist on the top frame, the top frame automatically presses down to enable the lifting suspension to fall into contact with the ground, when the load is lighter, the lifting suspension moves upwards, the lifting suspension is a complete suspension system, and has all functions of the first suspension and the second suspension, so that reduced wheel consumption is realized, and meanwhile, all functions of the suspension system are provided, and the whole system is more stable.

Drawings

FIG. 1 is an overall schematic of a semitrailer suspension with an axle tire lifting device of the present utility model;

fig. 2 is a schematic structural view of a first suspension of a semitrailer suspension with an axle tire lifting device according to the present utility model. In the figure: 1. a chassis; 2. a reinforcing rod;

3. a first suspension; 301. a drive box; 302. a fixing pin; 303. a transmission rod; 304. a leaf spring; 305. hanging lugs; 306. a steering lever; 307. a hub; 308. a bridge;

4. a buffer block; 5. a positioning rod; 6. positioning holes; 7. an outer expanding frame; 8. a top frame; 9. lifting the suspension; 10. a buffer spring rod; 11. damping vibration-absorbing springs; 12. and a second suspension.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a preferred embodiment of the present utility model is shown, which is a semitrailer suspension with an axle tire lifting device, and includes an underframe 1 and a top frame 8, the number of underframe 1 is two, a reinforcing rod 2 for reinforcement is connected between the underframe 1, two ends of the underframe 1 are respectively connected with a first suspension 3 and a second suspension 12, a middle section position of the underframe 1 is connected with an expanding frame 7, two ends of the expanding frame 7 above the underframe 1 are provided with buffer spring rods 10, the top frame 8 is a quadrilateral frame body, two ends of the top frame 8 are provided with buffer blocks 4, the buffer spring rods 10 penetrate through the buffer blocks 4 and are connected with the top of the underframe 1, the outer sides of the buffer spring rods 10 are located between the underframe 1 and the top frame 8, the top frame 8 is internally provided with a lifting suspension 9, the suspension 9 is located between the expanding frame 7, the underframe 1 is connected with the first suspension 3 and the second suspension 12, the top frame 12 is connected with the first suspension 3 and the second suspension 12 by the underframe 1, the two ends of the top frame 8 are connected with the buffer spring rods 12, and the top frame 8 is more fully matched with the two ends of the buffer spring rods 4 when the top frame 8 is in a lower than the first suspension 8, and the whole system is in a lower system has the function of reducing the shock absorption, and the full load is more stable, and the shock absorption system is realized.

The first suspension 3 comprises a driving box 301, leaf springs 304 and a bridge 308, the driving box 301 is installed between the inner sides of the chassis 1, the number of the leaf springs 304 is two, the two ends of each leaf spring 304 are connected to the outer sides of the chassis 1 through fixing pins 302, two sides of the bridge 308 are connected between the lowest points of the leaf springs 304, lugs 305 are installed at two tail ends of the bridge 308, hubs 307 are connected to the outer sides of the lugs 305, a power output shaft below the driving box 301 is connected with one end of a driving rod 303, the other end of the driving rod 303 is connected to one end of the lugs 305, and one end of a steering rod 306 is connected to the other end of the corresponding lug 305, the other end of the steering rod 306 is connected to one outer end of the other lug 305, the leaf springs 304 can buffer the supporting force of the bridge 308, the driving box 301 can drive the driving rod 303 to move, one side of the lugs 305 is adjusted to rotate, the rotating lugs 306 drive the other connected steering rod 306 to rotate, the other side of the lugs 305 is driven to rotate, and the hubs 307 can rotate more conveniently and the hubs 307 can rotate, and the hubs 307 can rotate conveniently.

The second suspension 12 and the first suspension 3 have the same structure.

The structure of the lifting suspension 9 is the same as that of the first suspension 3, and the driving box 301 and the leaf spring 304 inside the lifting suspension 9 are respectively installed on the inner side and the outer side of the top frame 8, so that the complete function of the lifting suspension 9 is ensured.

Reinforcing rods 2 are also arranged in the top frame 8, so that the strength of the top frame 8 and the bottom frame 1 is ensured.

The number of the reinforcing rods 2 is a plurality of, and the strength of the reinforcing rods 2 is higher.

The buffer block 4 is positioned on the outer side of the buffer spring rod 10 and is penetrated with a positioning hole 6, one end of a positioning rod 5 is inserted into the positioning hole 6, the other end of the positioning rod 5 is connected to the chassis 1, and the positioning rod 5 is matched with the positioning hole 6 to limit the shrinkage of the buffer spring rod 10 and the shrinkage and shock absorption of the damping spring 11 and prevent the deviation.

The utility model relates to a semitrailer suspension with an axle tire lifting device, which comprises a suspension body, a suspension body and a suspension body, wherein the suspension body is provided with a suspension body, the: during the use, through being connected fixed by chassis 1 to first suspension 3 and second suspension 12, support by first suspension 3 and second suspension 12 semitrailer, and the buffer block 4 at roof-rack 8 cooperation both ends is connected with chassis 1, buffer spring bar 10 cooperation damping spring 11 below buffer block 4 supports roof-rack 8, when there is loaded goods on roof-rack 8, roof-rack 8 is automatic to push down, will rise suspension 9 whereabouts and ground contact, when the load is lighter, it is upwards moved to rise suspension 9, rise suspension 9 is a complete suspension system, have the whole function of first suspension 3 and second suspension 12, reduced wheel consumption has been realized, possess the whole function of suspension system simultaneously, the whole is more stable.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined by the claims which are newly filed.

Claims

1. Semitrailer suspension with axle tire hoisting device, including chassis (1) and roof-rack (8), its characterized in that: the number of the underframe (1) is two, reinforcing rods (2) are connected between the underframe (1), the two ends of the underframe (1) are respectively connected with a first suspension (3) and a second suspension (12), the middle section position of the underframe (1) is connected with an outer expansion frame (7), the upper part of the underframe (1) is positioned at the two ends of the outer expansion frame (7) and is provided with buffer spring rods (10), the top frame (8) is a quadrilateral frame body, buffer blocks (4) are arranged at the two ends of the top frame (8), the buffer spring rods (10) penetrate through the buffer blocks (4) and are connected with the upper part of the underframe (1), the outer side of the buffer spring rods (10) is positioned between the underframe (1) and the top frame (8) and is sleeved with damping springs (11), and the inner part of the top frame (8) is provided with lifting suspensions (9) and the lifting suspensions (9) are positioned between the outer expansion frames (7).

2. A semitrailer suspension with axle tire lifting device as claimed in claim 1 wherein: the first suspension (3) comprises a driving box (301), leaf springs (304) and a bridge frame (308), wherein the driving box (301) is installed between the inner sides of the underframe (1), the leaf springs (304) are two in number, two ends of each leaf spring (304) are connected to the outer sides of the underframe (1) through fixing pins (302), two sides of the bridge frame (308) are connected between the lowest points of the leaf springs (304), hanging lugs (305) are installed at two tail ends of the bridge frame (308), hubs (307) are connected to the outer sides of the hanging lugs (305), one end of a transmission rod (303) is connected to a power output shaft below the driving box (301), the other end of the transmission rod (303) is connected to one end of the hanging lug (305), the other end of the hanging lug (305) is connected to one end of a steering rod (306), and the other end of the steering rod (306) is connected to one end of the other hanging lug (305).

3. A semitrailer suspension with axle tire lifting device as claimed in claim 2 wherein: the second suspension (12) and the first suspension (3) have the same structure.

4. A semitrailer suspension with axle tire lifting device as claimed in claim 3, wherein: the structure of the lifting suspension (9) is the same as that of the first suspension (3), and a driving box (301) and a leaf spring (304) inside the lifting suspension (9) are respectively arranged on the inner side and the outer side of the top frame (8).

5. A semitrailer suspension with an axle tire lifting device as recited in claim 4, wherein: the inside of the top frame (8) is also provided with a reinforcing rod (2).

6. A semitrailer suspension with an axle tire lifting device as recited in claim 5, wherein: the number of the reinforcing rods (2) is a plurality of.

7. A semitrailer suspension with an axle tire lifting device as recited in claim 6, wherein: the buffer block (4) is positioned on the outer side of the buffer spring rod (10) and is penetrated with a positioning hole (6), one end of a positioning rod (5) is inserted into the positioning hole (6), and the other end of the positioning rod (5) is connected to the underframe (1).