CN214822451U

CN214822451U - Double-axle suspension

Info

Publication number: CN214822451U
Application number: CN202120986509.3U
Authority: CN
Inventors: 郑亮; 屠建刚; 孔相杰
Original assignee: Zhengzhou Kingstone Auto Parts Co ltd
Current assignee: Zhengzhou Kingstone Auto Parts Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-23
Anticipated expiration: 2031-05-10

Abstract

The utility model provides a double-axle suspension, which comprises a longitudinal beam, a plurality of cross beams are arranged on the longitudinal beam at intervals, a plurality of transverse thrust rods are arranged on the longitudinal beam, a balance beam is symmetrically arranged at one end of the longitudinal beam and on the outer side of the longitudinal beam, the lower parts of the two sides of the balance beam are connected with helical springs, wherein the lower part of the spiral spring at one side is connected with an axle upper support arranged at the upper part of the axle, the lower part of the spiral spring at the other side is connected with the axle upper support arranged at the upper part of the axle, an axle guide arm is arranged on one side of the axle and on the longitudinal beam, the axle vibration caused by the impact of the vehicle can be effectively reduced through the double-axle structure, the influence of the impact on the vehicle running of the vehicle on the axle is avoided, and the vehicle damage caused by the collision of the axle with the longitudinal beam can be avoided, and the impact received in the running process of the vehicle can be absorbed and slowed down through the matching of various mechanisms to ensure the stable running of the vehicle.

Description

Double-axle suspension

Technical Field

The utility model relates to a vapour vehicle axle hangs technical field, concretely relates to pair axle suspension.

Background

With the increase of domestic economy, the traffic volume of the automobile cargo transportation industry is increased. General trucks are multi-axle, after a truck loads goods, more than 70% of load is borne by a rear axle group, but current regulations and actual conditions limit the axle load not to exceed an allowable range, and in order to prevent the rear bearing from being subjected to excessive load and reduce the grounding pressure of rear wheels, various truck manufacturers adopt a method of increasing the number of axles and tires to increase the load capacity. The domestic heavy truck suspension mainly comprises: the spring suspension is simple and reliable in structure manufacturing, but the smoothness is poor and the requirement for light weight development cannot be met; the air suspension is good in comfort and adjustable in height, but the structure is complex, the maintenance cost is high, and the environment cannot be overloaded; the rubber suspension can be used for an overload working environment, so that the comfort is good, but the price is high, and the ground clearance of an axle is low due to inconvenient maintenance; there is a need for a suspension that is comfortable, relatively simple in construction, has a high ground clearance, and can be used in an overload environment.

In view of the above, we propose a tandem axle suspension for light vehicles (such as minivans, passenger cars and special vehicles) to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a dual axle suspension, can effectively reduce the axle tremble caused when the vehicle is impacted through the dual axle structure and avoid the axle to be impacted and influence the vehicle to travel, and cause the axle to collide the longeron and cause the vehicle to damage, and can absorb the impact received in the vehicle traveling process through the cooperation of each mechanism and slow down and guarantee the stable traveling of the vehicle;

the suspension developed by the project meets the requirement of a customer on ground clearance, and simultaneously gives consideration to the light weight requirement of the vehicle on parts. On the basis that the comfort is better, the suspension simplifies the structure and is convenient to maintain, the suspension has the characteristics of an independent suspension although having the essence of a rigid suspension, and the problem that the grounding performance of wheels is kept by uneven load and a concave-convex road surface can be well solved.

For solving the technical problem, the utility model provides a pair axle suspension, longeron and crossbeam including the frame main part, the crossbeam interval is provided with a plurality ofly on the longeron, be provided with a plurality of lateral thrust pole on the longeron, the outside symmetry of longeron is provided with equalizing beam, equalizing beam's both sides sub-unit connection has coil spring, coil spring's lower part and axle upper bracket are connected, one side of axle just is provided with the axle guiding arm on the longeron, be connected with the bumper shock absorber on the axle guiding arm, the opposite side of bumper shock absorber is fixed inboard at the longeron.

Furthermore, lining beams are arranged on two sides of the cross beam and connected to the inner sides of the longitudinal beams.

Furthermore, the transverse thrust rod is a torsion bar spring, one end of the transverse thrust rod is hinged to the inner side of the longitudinal beam, and the other end of the transverse thrust rod is fixedly connected to an axle upper support on one side of the longitudinal beam.

Furthermore, the balance beam is provided with two lifting lugs which are respectively positioned at two sides of the longitudinal beam, the lower part of the balance beam is provided with an arc-shaped lifting lug, a pin shaft hole is formed in each lifting lug, pin shafts are arranged at two sides of the longitudinal beam corresponding to the pin shaft holes, and gaskets which are matched with the pin shaft holes are arranged at the end parts of the pin shafts.

Furthermore, the two ends of the equalizing beam are provided with limiting blocks, the lower part of the equalizing beam corresponding to the limiting blocks is provided with a guide cylinder connected with the axle upper support, the upper part of the guide cylinder is connected in the limiting blocks, and the lower part of the guide cylinder is matched with the diameter of the inner ring of the spiral spring.

Furthermore, one end of the axle guide arm is connected with the outer side spherical hinge of the longitudinal beam, the other end of the axle guide arm is connected to the axle upper support, and the other end of the axle guide arm is connected to the axle upper support.

Furthermore, the bumper shock absorber is provided with a plurality of, the one end fixed connection of bumper shock absorber is on the inside wall of longeron, the other end of bumper shock absorber is connected on the axle upper bracket of longeron both sides.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the problem that the load of the bearing spring of the double-link bridge is uneven is solved through the matching of the guide arms and the balance beam and the shock absorber, and the problem that the load of the spring at one side cannot be uniformly applied to the bearing spring due to errors of design, manufacture, assembly and the like and the change of the gravity center position of the vehicle cargo is avoided.

2. When a vehicle is positioned on a ramp, one bearing spring of the double-link bridge is in a state of load overrun, so that the problem of jumping stroke is caused.

3. The phenomenon that individual wheels are separated from the ground and are suspended to advance can occur when the road condition of a vehicle of the traditional suspension system is poor, and the trafficability characteristic and the road surface adaptability of the vehicle can be greatly improved by the equalizing beam suspension system.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a front plan view of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a schematic diagram of the separation of the equalizing frame of the present invention.

1. A stringer; 2. a cross beam; 3. a lateral thrust rod; 4. equalizing the beam; 5. a coil spring; 6. a pin shaft hole; 7. an axle upper support; 8. an axle; 9. a limiting block; 10. an axle guide arm; 11. a guide cylinder; 12. a shock absorber; 13. a lining beam; 14. lifting lugs; 15. a gasket; 16. and (7) a pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-5: a double-axle suspension comprises a longitudinal beam 1 of a vehicle frame, wherein a plurality of cross beams 2 are arranged on the longitudinal beam 1 at intervals, a plurality of axles 8 are arranged on the outer sides of the longitudinal beam 1 and correspond to the two sides of the cross beams 2, a plurality of transverse thrust rods 3 are arranged on the longitudinal beam 1, equalizing beams 4 are symmetrically arranged on the outer sides of the longitudinal beam 1, the lower parts of the two sides of the equalizing beams 4 are connected with coil springs 5, the lower parts of the coil springs 5 are connected with axle upper supports 7 arranged on the axles 8, axle guide arms 10 are arranged on one sides of the axles 8 and on the longitudinal beam 1, the axle guide arms 10 are connected with the axles 8 and the axle upper supports 7, shock absorbers 12 are connected on the axles 8, the other ends of the shock absorbers 12 are fixed on the inner sides of the longitudinal beam 1, particularly, the two inner sides of the longitudinal beam are fixed and connected through the cross beams, and the cross beams are provided with a plurality of cross beams so as to ensure the stability of the vehicle frame main body, the transverse thrust rod is arranged on one side of the cross beam, the upper wing surface and the lower wing surface of the cross beam can protect the transverse thrust rod, so that sundries rolled and bounced by wheels cannot damage the transverse push rod in the running process of a vehicle, the transverse thrust rod is a torsion rod spring, the axle upper support on one side of the longitudinal beam is connected through the transverse push rod, so that the suspension is kept in balance through the torsion action when the vehicle inclines, the vehicle is prevented from being unbalanced due to the inclination of the suspension, the balance beam pin shaft is arranged on the outer side of the longitudinal beam, so that the two sides of the balance beam can be inclined in different degrees, the vehicle can be adjusted through the balance beam when encountering a rough road surface in the running process, the two sides of the balance beam are connected with the axle upper supports which are arranged on the two sides of the balance beam and are matched with the balance beam through the spiral spring and the limiting structure arranged in the spiral spring, so that the acting force can be transmitted to the balance beam through the spiral spring when the axle is impacted, the acting force is uniformly distributed through the balance beam to avoid the situation that the single side receives too large impact to cause vehicle unbalance, and the suspension connected with the balance beam is the suspension of an axle and the axle suspension of an axle arranged on the single side of the longitudinal beam, so the impact force is shared by the axle and the axle on the same side when the wheel is impacted, thereby reducing the accident rate, the axles and the axles on the two sides of the longitudinal beam are connected through a coupling, the corresponding axle and the axle are arranged on the corresponding axle upper support and the axle upper support relative to the two sides of the longitudinal beam, one end of an axle guide arm is connected on the longitudinal beam through a ball hinge, the other end is connected on the axle upper support and the axle upper support, the impact received by the axle and the axle can be buffered by the axle guide arm relatively, the fixed end of a shock absorber is connected on a shock absorber support on the inner side wall of the longitudinal beam, and the other end of the shock absorber is connected on the axle upper support, the vibration of the upper support of the axle is reduced by buffering the upper support of the axle through the shock absorber.

According to the utility model discloses an embodiment, as shown in fig. 1, 3, 5, the both sides of crossbeam 2 are provided with lining beam 13, be provided with a plurality of connecting holes and lightening hole on the lining beam, correspond connecting hole and lightening hole are provided with a plurality of fixed orificess and lightening hole that suit with it in the inboard of frame, fixed orificess and lightening hole are connected through lining beam with the connecting hole and lightening, and lining beam bolted connection is in the both sides of crossbeam particularly, fixes lining beam inboard through connecting hole and lightening hole cooperation setting on the frame that set up on lining beam and lightening hole to this fixes the crossbeam on the frame, and fixes the frame through the crossbeam and can effectively guarantee the stability of frame.

According to the utility model discloses an embodiment, as shown in fig. 1, 4, lateral thrust pole 3 is torsion bar spring, lateral thrust pole 3's one end is articulated with the inboard distance rod support that sets up at longeron 1, lateral thrust pole 3's other end fixed connection is on the axle upper bracket 7 of longeron 1 one side, and the lateral thrust pole is the torsion bar spring of making with the spring steel specifically, and the distance rod support on one end and the longeron is articulated, and the other end of distance rod is then fixed on the suspension about, and when the automobile body heeled, the suspension of both sides is beated and has not unanimity, and the torsion will take place for the lateral thrust pole, and the elasticity of pole body becomes the resistance that continues to let the car heeled, has finally played the effect of lateral stability.

According to the utility model discloses an embodiment, as shown in fig. 1, 2, 4, equalizing beam 4 is provided with two both sides that are located longeron 1 respectively, equalizing beam 4's lower part is provided with curved lug 14, be provided with round pin shaft hole 6 on the lug 14, correspond round pin shaft hole 6 is provided with round pin axle 16 in longeron 1's both sides, the tip of round pin axle 16 is provided with the gasket 15 that suits with round pin shaft hole 6, and lug fixed connection suits with the round pin axle in equalizing beam's lower part particularly, the round pin shaft hole that sets up on the lug, therefore equalizing beam accessible round pin shaft hole forms articulatedly to the round pin axle, and the gasket diameter that round pin axle one side set up is greater than the diameter in round pin shaft hole, and consequently the lug is connected and is sold epaxial back accessible installation gasket and fix equalizing beam at the round pin epaxially.

According to an embodiment of the present invention, as shown in fig. 1, 3 and 5, two ends of the equalizing beam 4 are provided with stoppers 9, a guide cylinder 11 connected with the axle upper support 7 is provided at the lower portion of the equalizing beam 4 corresponding to the stoppers 9, the upper portion of the guide cylinder 11 is connected in the stoppers 9, the lower portion of the guide cylinder 11 is adapted to the diameter of the inner ring of the coil spring 5, specifically, the stoppers provided at two ends of the equalizing beam are used to connect the upper end of the guide cylinder, the upper end of the guide cylinder is a limit connecting rod with a diameter adapted to the stoppers, the limit connecting rod passes through the limit and is provided with a connecting disk connected with the limit connecting rod at the end of the limit connecting rod, i.e. the upper portion of the equalizing beam, and the diameter of the limit connecting rod is larger than the stoppers, so that the upper portion of the limit connecting rod is fixed on the equalizing beam, the lower portion of the guide cylinder is connected to the axle upper support corresponding to the equalizing beam, and the lower part of the guide cylinder is provided with a base, the lower part of the limiting connecting rod is fixed on the base, a plurality of circumferential reinforcing ribs are arranged on the upper base surface of the base, and the outer diameter formed by surrounding of the reinforcing ribs is adapted to the inner diameter of the spiral spring, so that the spiral spring is limited by the guide cylinder when being connected to the guide cylinder, and the spiral spring cannot horizontally shake.

According to the utility model discloses an embodiment, as shown in fig. 2, 3, 5, the one end and the 1 outside ball pivot of longeron of axle guiding arm 10 are connected, the other end of axle guiding arm 10 is connected on axle upper bracket 7, and the axle guiding arm is provided with a plurality ofly relatively with axle upper bracket particularly, and the axle guiding arm all connects on the longeron through the ball pivot mode, and one side at relative axle upper bracket is fixed to its other end, consequently when the axle of vehicle produced the tremor with the axle and leads to axle and axle upwards to beat, the axle guiding arm avoided axle and axle to beat the too big collision longeron of distance to it to produce certain suppression power.

According to the utility model discloses an embodiment, as shown in fig. 1, 3, 5, bumper shock absorber 12 is provided with a plurality ofly, the bumper shock absorber support fixed connection that sets up on the one end of bumper shock absorber 12 and the 1 inside wall of longeron, the other end of bumper shock absorber 12 is connected on axle upper bracket 7, and the fixed end fixed connection of bumper shock absorber is particularly on the bumper shock absorber support, and the inside wall fixed connection of bumper shock absorber support and longeron, and one side of support on corresponding axle is connected to its other end, when the axle produced the vibration and drives axle upper bracket and produce corresponding vibration, the bumper shock absorber carried out the shock attenuation to axle upper bracket and avoids vibrating too greatly leading to axle upper bracket collision longeron.

The utility model discloses a use method:

the crossbeam is connected to the longeron inboard, increases the stability of longeron through the crossbeam, and axle all are when the double-axle makes the front wheel and the rear wheel of vehicle receive the impact, and the impact force is cushioned by the double suspension of both sides, and will transmit the power and the power of acting on between wheel and longeron and turn round and carry out the buffering of multi-structure cooperation to this guarantees the smooth-going of vehicle.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A tandem axle suspension, characterized by: comprises a longitudinal beam (1) and a cross beam (2) of a frame main body, wherein a plurality of cross beams (2) are arranged on the longitudinal beam (1) at intervals, a plurality of axles (8) are arranged at the outer sides of the longitudinal beams (1) corresponding to the two sides of the cross beam (2), a plurality of transverse thrust rods (3) are arranged on the longitudinal beam (1), equalizing beams (4) are symmetrically arranged on the outer side of the longitudinal beam (1), the lower parts of two sides of the equalizing beam (4) are connected with spiral springs (5), the lower parts of the spiral springs (5) are connected with an axle upper support (7) arranged on an axle (8), an axle guide arm (10) is arranged on one side of the axle (8) and on the longitudinal beam (1), the axle guide arm (10) is connected with an axle (8) and an axle upper support (7), the vehicle axle (8) is connected with a shock absorber (12), and the other end of the shock absorber (12) is fixed on the inner side of the longitudinal beam (1).

2. The tandem axle suspension of claim 1, wherein: and lining beams (13) are arranged on two sides of the cross beam (2), and the lining beams (13) are connected to the inner sides of the longitudinal beams (1).

3. The tandem axle suspension of claim 1, wherein: the transverse thrust rod (3) is a torsion bar spring, one end of the transverse thrust rod (3) is hinged with a thrust rod support arranged on the inner side of the longitudinal beam (1), and the other end of the transverse thrust rod (3) is fixedly connected to an axle upper support (7) on one side of the longitudinal beam (1).

4. The tandem axle suspension of claim 1, wherein: the balance beam (4) is provided with two sides which are respectively located on the longitudinal beam (1), the lower portion of the balance beam (4) is provided with an arc-shaped lifting lug (14), a pin shaft hole (6) is formed in the lifting lug (14), pin shafts (16) are arranged on two sides of the longitudinal beam (1) corresponding to the pin shaft hole (6), and a gasket (15) which is matched with the pin shaft hole (6) is arranged at the end portion of each pin shaft (16).

5. The tandem axle suspension of claim 1, wherein: the two ends of the equalizing beam (4) are provided with limiting blocks (9), guide cylinders (11) connected with the axle upper support (7) are arranged on the lower portions of the equalizing beam (4) corresponding to the limiting blocks (9), the upper portions of the guide cylinders (11) are connected into the limiting blocks (9), and the lower portions of the guide cylinders (11) are matched with the inner ring diameter of the spiral spring (5).

6. The tandem axle suspension of claim 1, wherein: one end of the axle guide arm (10) is connected with the outer side of the longitudinal beam (1) through a spherical hinge, and the other end of the axle guide arm (10) is connected to the axle upper support (7).

7. The tandem axle suspension of claim 1, wherein: the shock absorber (12) are provided with a plurality of, the shock absorber support fixed connection that sets up on one end of shock absorber (12) and longeron (1) inside wall, the other end of shock absorber (12) is connected on support (7) on the axle.