CN203199063U

CN203199063U - Suspension device for heavy-duty truck cab

Info

Publication number: CN203199063U
Application number: CN 201220635257
Authority: CN
Inventors: 莫荣博; 邓聚才; 陈志宁; 陈崇山; 李庆广
Original assignee: Dongfeng Liuzhou Motor Co Ltd
Current assignee: Dongfeng Liuzhou Motor Co Ltd
Priority date: 2012-11-27
Filing date: 2012-11-27
Publication date: 2013-09-18
Anticipated expiration: 2022-11-27

Abstract

The utility model discloses a suspension device for a heavy-duty truck cab, relating to the technical field of automobile manufacturing. The suspension device includes a front suspension device and a rear suspension device, the front suspension device includes a front suspending stabilizer bar, front suspending dampers, and helical springs, the rear suspension device includes rear suspending dampers, a rear suspending arched beam and a rear suspending floating beam, the rear suspending dampers are air spring dampers, the two ends of the rear suspending dampers are vertically hinged at the lower parts of hydraulic lock installing plates and rear suspending damper installing plates, and a rear suspending tie rod is arranged between the hydraulic lock installing plates and the rear suspending arched beam. Compared with the prior art, the suspension device provided can solve the problems of poor comfort, insufficient stability and poorer operation safety of the truck cab.

Description

The HD truck cabin suspension

Technical field

The utility model relates to field of automobile, especially a kind of suspension gear for the truck cab.

Background technology

Automobile in motion, the vibration on the operator's compartment mainly is delivered on the operator's compartment by chassis suspension, engine mounting, operator's compartment suspension by the road surface.Traditional automobile cab vehicle body all adopts the direct coupled mode of common vibration damping to link to each other with vehicle frame.The operator's compartment of domestic main autotruck product is most at present adopts with the suspension system of elastomeric material as suspension members, this structure is travelled under the flat road surface condition with the low speed of a motor vehicle for vehicle, and the vibration that is delivered on the operator's compartment is had certain obstruct and mitigation.But when vehicle travels under speed of a motor vehicle condition with higher, or when a bit weaker road of pavement conditions travels, rubber mounting is damped vibration well just, the structural vibration that produces in the operator's compartment and the structureborne noise that is caused by high-frequency vibration are bigger, thereby reduced the traveling comfort of operator's compartment, also made cab structure under the vibration effect, be easy to generate damage.Therefore adopt this common vibration damping mode, effectiveness in vibration suppression is not obvious between automobile cab vehicle body and the vehicle frame, exists the impact by the road surface to pass to automobile chassis frame and cause that the vibration of operator's compartment is bigger, and operator's compartment does not have good ride comfort; On the other hand, this common vibration damping mode does not have anti-trim ability yet, and fore-and-aft stability and the handling safety of operator's compartment are relatively poor.

The utility model content

Technical problem to be solved in the utility model provides a kind of HD truck cabin suspension, and it can solve, and prior art automobile cab traveling comfort is poor, stability is not enough and the relatively poor problem of handling safety.

In order to address the above problem, the technical solution of the utility model is: this HD truck cabin suspension comprises front-end equipment and rear linkage; Described front-end equipment comprises the front overhang stabilizer rod, be installed in left suspension gear and the right suspension gear of the structure unanimity at described front overhang stabilizer rod two ends, the two has included the front overhang upper bracket described left suspension gear and right suspension gear, front overhang undersetting, front overhang bumper and spring; Described front overhang undersetting one end is captiveed joint with vehicle frame, and the other end is connected with front overhang trip shaft bearing, at described front overhang trip shaft bearing the front overhang trip shaft is installed, and described front overhang trip shaft is hinged with the bull stick that is connected with described front overhang upper bracket; The two ends of described front overhang bumper are hinged with described front overhang upper bracket and described front overhang trip shaft respectively; Described spring one end is socketed on the front overhang limiting stopper that is connected with described front overhang trip shaft, and the other end is connected on the described front overhang upper bracket;

Described rear linkage, include the rear overhang bumper, two ends are equipped with the rear overhang arched girder of rear overhang undersetting and the rear overhang floating beam that two ends are connected with the hydraulic lock adapter plate, and described rear overhang bumper two ends vertically are hinged on respectively on the rear overhang bumper adapter plate on described hydraulic lock adapter plate bottom and the described rear overhang undersetting; Between described hydraulic lock adapter plate and the described rear overhang arched girder rear overhang intermediate rod is installed.

In the technique scheme, more specifically scheme can be: described spring is coil spring; Described front overhang limiting stopper is columniform rubber block; Described rear overhang bumper is the air bellow bumper; At described rear overhang undersetting height adjusting valve is installed; Described height adjusting valve is connected with described hydraulic lock adapter plate by adjust bar; Described rear overhang arched girder and described rear overhang undersetting are fixedly connected into " C " word shape.

Owing to adopted technique scheme, compared with the prior art the utility model has following beneficial effect:

1, adopts the preceding mechanical rear gasbag shock-damping structure of operator's compartment, by adjusting front overhang helical spring rigidity and the damping of front overhang bumper, and rear overhang air bag vibration damper assembly is adjusted into vertical layout, swing for suppressing operator's compartment simultaneously, increase rear overhang rubber intermediate rod, can make vehicle adapt to different road conditions, can either relax the impact of vertical direction, vertical direction and horizontal vibration can decay simultaneously again, has the better damping function, can alleviate from vehicle frame and be delivered to vibration on the operator's compartment, make operator's compartment have good ride comfort.

2, two undersettings of the utility model rear linkage link to each other with vehicle frame by bolt, are used for transmitted load, and the bow-shaped structural that utilizes header board and rear overhang undersetting to be connected to form by the rigidity of vehicle frame, has improved resistance to bending significantly.

3, have good anti-trim ability, guarantee fore-and-aft stability and the handling safety of operator's compartment.

Description of drawings

Fig. 1 is the front view of the utility model front-end equipment.

Fig. 2 is A – A cutaway view among Fig. 1.

Fig. 3 is the left view of the utility model front-end equipment.

Fig. 4 is the scheme drawing of the utility model rear linkage.

The specific embodiment

Below in conjunction with accompanying drawing embodiment is described in further detail:

The utility model includes front-end equipment and rear linkage; Front-end equipment such as Fig. 1, Fig. 2 and shown in Figure 3, include front overhang stabilizer rod 1, be installed in left suspension gear and the right suspension gear of front overhang stabilizer rod 1 two-end structure unanimity, the two has included front overhang upper bracket 5 described left suspension gear and right suspension gear, front overhang undersetting 2, front overhang bumper 3 and coil spring 4; Front overhang undersetting 2 one ends are captiveed joint with vehicle frame 10, and the other end is connected with front overhang trip shaft bearing 9, at front overhang trip shaft bearing 9 front overhang trip shaft 7 are installed, and front overhang trip shaft 7 is hinged with the bull stick 6 that is connected with front overhang upper bracket 5; The two ends of front overhang bumper 3 are hinged with front overhang upper bracket 5 and front overhang trip shaft 7 respectively; Coil spring 4 one ends are socketed on the front overhang limiting stopper 8 that is connected with front overhang trip shaft 7, and the other end is connected on the front overhang upper bracket 5; Front overhang limiting stopper 8 is columniform rubber block.

Rear linkage includes rear overhang bumper 15 as shown in Figure 4, rear overhang arched girder 13, rear overhang floating beam 19; At rear overhang arched girder 13 two ends rear overhang undersetting 18 is installed, rear overhang arched girder 13 is fixedly connected into " C " word shape with rear overhang undersetting 18; Rear overhang floating beam 19 two ends are connected with hydraulic lock adapter plate 14; Rear overhang bumper adapter plate 20 is installed on the rear overhang undersetting 18, and rear overhang bumper 15 two ends vertically are hinged on respectively on hydraulic lock adapter plate 14 bottoms and the rear overhang bumper adapter plate 20; Rear overhang bumper 15 is the air bellow bumper; At rear overhang undersetting 18 height adjusting valve 17 is installed; Height adjusting valve 17 is connected with hydraulic lock adapter plate 14 by adjust bar 16, and height adjusting valve 17 can be regulated air bag rigidity, in order to better realize vibration damping; Left side hydraulic lock adapter plate 14(can be right side hydraulic lock adapter plate or both sides hydraulic lock adapter plate at other embodiment) and rear overhang arched girder 13 between rear overhang intermediate rod 12 is installed; Hydraulic lock adapter plate 14 tops are equipped with hydraulic lock 11, and hydraulic lock adapter plate 14 upper articulations have the switch block 22 that is connected with rear overhang upper bracket 21, and hydraulic lock 11 is captiveed joint with automobile cab by rear overhang upper bracket 21; Switch block 3 plays the effect of locking operator's compartment; Rear overhang bumper 15 is vertically installed, and can slow down the impulsive force of above-below direction when vehicle is capable to be driven, and when vehicle generation double swerve, the power that the rear overhang intermediate rod is about 12 pairs is alleviated.

The utility model adopts the preceding mechanical rear gasbag shock-damping structure of operator's compartment, by adjusting front overhang rigidity of helical spring and the damping of front overhang bumper, and will be adjusted into vertical layout for the rear overhang vibration damper assembly of air bellow bumper, swing for suppressing operator's compartment simultaneously, increase rear overhang rubber intermediate rod, can make vehicle adapt to different road conditions, can either relax the impact of vertical direction, vertical direction and horizontal vibration can decay simultaneously again, has the better damping function, can alleviate from vehicle frame and be delivered to vibration on the operator's compartment, make operator's compartment have good ride comfort.

Claims

1. a HD truck cabin suspension is characterized in that: comprise front-end equipment and rear linkage; Described front-end equipment comprises front overhang stabilizer rod (1), be installed in left suspension gear and the right suspension gear of the structure unanimity at described front overhang stabilizer rod (1) two ends, the two has included front overhang upper bracket (5) described left suspension gear and right suspension gear, front overhang undersetting (2), front overhang bumper (3) and spring (4); Described front overhang undersetting (2) one ends are captiveed joint with vehicle frame (10), the other end is connected with front overhang trip shaft bearing (9), at described front overhang trip shaft bearing (9) front overhang trip shaft (7) is installed, described front overhang trip shaft (7) is hinged with the bull stick (6) that is connected with described front overhang upper bracket (5); The two ends of described front overhang bumper (3) are hinged with described front overhang upper bracket (5) and described front overhang trip shaft (7) respectively; Described spring (4) one ends are socketed on the front overhang limiting stopper (8) that is connected with described front overhang trip shaft (7), and the other end is connected on the described front overhang upper bracket (5);

Described rear linkage, include rear overhang bumper (15), two ends are equipped with the rear overhang arched girder (13) of rear overhang undersetting (18) and the rear overhang floating beam (19) that two ends are connected with hydraulic lock adapter plate (14), and described rear overhang bumper (15) two ends vertically are hinged on respectively on the rear overhang bumper adapter plate (20) on described hydraulic lock adapter plate (14) bottom and the described rear overhang undersetting (18); Between described hydraulic lock adapter plate (14) and the described rear overhang arched girder (13) rear overhang intermediate rod (12) is installed.

2. HD truck cabin suspension according to claim 1, it is characterized in that: described spring (4) is coil spring; Described front overhang limiting stopper (8) is columniform rubber block;

Described rear overhang bumper (15) is the air bellow bumper; At described rear overhang undersetting (18) height adjusting valve (17) is installed; Described height adjusting valve (17) is connected with described hydraulic lock adapter plate (14) by adjust bar (16); Described rear overhang arched girder (13) is fixedly connected into " C " word shape with described rear overhang undersetting (18).