CN204383614U - Operator's compartment is floating suspending apparatus entirely - Google Patents

Abstract

The utility model discloses a kind of operator's compartment floating suspending apparatus entirely, relate to field of automobile, it comprises two groups of front overhang assemblies and two groups of rear overhang assemblies, often organize front overhang assembly and comprise the front overhang undersetting that upper end thereof has swing arm, the other end and the front overhang upper bracket of swing arm are hinged, be connected with front overhang shock absorber between swing arm connection and front overhang upper bracket lateral wall, swing arm upper surface is provided with limiting stopper, and limiting stopper is set with the coil spring that two ends abut against with swing arm and front overhang upper bracket respectively; The front end of operator's compartment longeron has the spacing rib of bending; The described swing arm of two groups of front overhang assemblies is connected by Panhard rod, and the top of two front overhang undersettings is bending to the direction mutually deviated from.The utility model is compared to prior art, and have employed 4 floating suspensions entirely at medium-sized commercial vehicle/comm..vehicle, its vibration isolating effect is good, the ride comfort of operator's compartment and reliability all quite stables, and structure is simple, compact, is beneficial to and saves space arrangement space.

Description

Operator's compartment is floating suspending apparatus entirely

Technical field

The utility model relates to field of automobile, especially a kind of suspending apparatus being applied to medium-sized commercial-vehicle cab.

Background technology

Vehicle in the process of moving; the impact on road surface is delivered to operator's compartment by car chassis and produces vibration; passenger can be made to produce uncomfortable, tired out; in order to the ride comfort of lifting vehicle; make to take more comfortable; usual meeting is provided with the suspending apparatus for vibration damping between vehicle frame and operator's compartment, makes Cab mounting on vehicle frame.Existing medium-sized commercial vehicle/comm..vehicle suspending apparatus all adopts half floated suspension, it is adopt being fixedly connected with of two groups of front overhang assemblies of rubber vibration insulating pad at two strong points of operator's compartment front portion, adopt to comprise the floating type connection of two groups of rear overhang assemblies of spring damping element at two strong points of operator's compartment rear end, the suspending apparatus of this structure can play certain vibration isolating effect, but the rubber pad of operator's compartment front support point suspends because its damping of vibrations is less than normal, dynamic stiffness is large, reduce the integral vibration isolation effect of suspending apparatus, the travelling comfort of vehicle is not good, people people can not be met to the requirement of driving comfort level.

Utility model content

The purpose of this utility model is to provide a kind of operator's compartment floating suspending apparatus entirely, and the half suspended device that this device can solve existing medium-sized commercial vehicle/comm..vehicle exists vibration isolating effect difference, drives the not good problem of comfort level.

In order to solve the problem, the technical solution adopted in the utility model is: this operator's compartment entirely floating suspending apparatus comprises and is connected to two groups of front overhang assemblies between both sides vehicle frame and operator's compartment longeron and two groups of rear overhang assemblies, often organize described front overhang assembly and comprise the front overhang upper bracket be connected with described operator's compartment longeron and the front overhang undersetting being fixed on described frame outside wall, the upper end thereof of described front overhang undersetting has swing arm, the other end and the described front overhang upper bracket of described swing arm are hinged, described swing arm is connected with the front overhang shock absorber tilted along described vehicle frame length direction, the other end of described front overhang shock absorber is connected with described front overhang upper bracket, the upper surface of described swing arm is provided with a limiting stopper raised up, described limiting stopper is set with coil spring, described helical spring two ends abut against with described swing arm and described front overhang upper bracket respectively, described front overhang upper bracket has base plate and is located at the side plate of described plate outer side, the lateral wall of described side plate and described operator's compartment longeron offsets, one end of described front overhang shock absorber is connected to the outer wall of the side plate of described front overhang upper bracket, the other end is connected to the outside of described swing arm, and the front end of described operator's compartment longeron has the spacing rib of bending, described in two groups, the described swing arm of front overhang assembly is connected by Panhard rod, and the top of two described front overhang undersettings is bending to the direction mutually deviated from.

Above-mentioned operator's compartment floats in the technical scheme of suspending apparatus entirely, technical scheme can also be more specifically: often organize described rear overhang assembly and comprise the rear overhang upper bracket be connected with described operator's compartment longeron and the rear overhang lower bracket being fixed on described frame outside wall, the upper end of described rear overhang upper bracket is connected with the hydraulic lock erecting frame of horizontally set, the other end of described hydraulic lock erecting frame is connected with the rear overhang shock absorber be obliquely installed, and the other end of described rear overhang shock absorber is connected with the lower end of described rear overhang lower bracket; Described hydraulic lock erecting frame is provided with hydraulic lock, and described rear overhang upper bracket is connected with described hydraulic lock erecting frame; The rear overhang lower bracket top of rear overhang assembly described in two groups inwardly bends in opposite directions.

Further, described helical spring rigidity is 25 ~ 70 Ns/millimeter; The damping coefficient of described front overhang shock absorber is 0.8 ~ 3.5 Newton-second/rice, and dumping force is 300 ~ 4000 Ns; The damping coefficient of described rear overhang shock absorber is 0.8 ~ 3.5 Newton-second/rice, and dumping force is 300 ~ 4000 Ns.

Further, the curve form of described front overhang undersetting, described swing arm and described rear overhang lower bracket is obtained by topological optimization.

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

1, front overhang of the present utility model have employed and significantly can absorb impact and the assembly such as the coil spring of damped vibration and shock absorber, thus by the Cab mounting of medium-sized commercial vehicle/comm..vehicle by original half floating outstanding be improved to 4 entirely floating outstanding, its vibration isolating effect is good, improve medium-sized commercial vehicle/comm..vehicle ride performance, improve driving comfort level.

2, swing arm directly and top bandy front overhang undersetting hinged, front overhang shock absorber two ends connect outside swing arm sidewall and front overhang upper bracket side plate, the structure designs such as coil spring two ends abutting can avoid the problem because of the comfort level difference caused that is coupled, improve decoupling zero rate, make ride comfort and reliability all quite stables of operator's compartment, and structure is simple, compact, is beneficial to and saves space arrangement space.

3, rear overhang shock absorber is obliquely installed, and can brake with horizontal by damping vertical vibration, the setting of hydraulic lock erecting frame, makes it and rear overhang lower bracket and rear overhang shock absorber form triangle installation, is conducive to raising reliability.

4, rigidity of helical spring is limited, and before and after adjustment, the dumping force of outstanding shock absorber and damping coefficient carry out optimal damping curve, to improve ride comfort, reduce driver and crew's degree of fatigue.

5, Cab mounting support adopts topological optimization, under the prerequisite meeting requirements for quality, can reduce deadweight, be beneficial to reduce costs.

Accompanying drawing explanation

Fig. 1 is the structural representation of this Cab mounting device.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail:

Operator's compartment shown in Fig. 1 entirely floating suspending apparatus mainly comprises two groups of front overhang assemblies, 2, two groups of rear overhang assemblies 5 and connects the Panhard rod 3 of two groups of front overhang assemblies 2, front overhang assembly 2 and rear overhang assembly 5 are connected to four ends between both sides vehicle frame 1 and operator's compartment longeron 4, form at 4 and entirely float outstanding.Often organize front overhang assembly 2 to comprise and include front overhang upper bracket 21, coil spring 22, front overhang undersetting 24, front overhang shock absorber 25 and swing arm 26, wherein, front overhang upper bracket 21 is connected with operator's compartment longeron 4, front overhang undersetting 24 is fixedly installed in the lateral wall of vehicle frame 1, the top of front overhang undersetting 24 is bent outwardly inclination, front overhang upper bracket 21 has base plate and is located at the side plate 211 of plate outer side, side plate 211 offsets with the lateral wall of operator's compartment longeron 4, the lug be hinged with swing arm is provided with bottom base plate, the other end of swing arm 26 and the upper end of front overhang undersetting 24 are hinged, the two ends of swing arm 26 are fork body structure, the lug of front overhang upper bracket 21 and the upper end of front overhang undersetting 24 are placed between the fork body at swing arm 26 two ends respectively, the upper surface of swing arm 26 is provided with a limiting stopper raised up 23, and this limiting stopper 23 is set with a coil spring 22, and the two ends of coil spring 22 abut against with swing arm 26 and front overhang upper bracket 21 respectively, the outside of swing arm 26 is connected with the front overhang shock absorber 25 tilted along vehicle frame 1 length direction, the other end of front overhang shock absorber 25 is connected to the outer wall of the side plate 211 of front overhang upper bracket 21, there is the spacing rib 41 of bending, for carrying out spacing to front overhang upper bracket 21 and front overhang shock absorber 25 in the front end of operator's compartment longeron 4, the two ends of Panhard rod 3 are connected with the swing arm 26 of two groups of front overhang assemblies 2 respectively, and the top of two front overhang undersettings 24 is bending to the direction mutually deviated from, preferably, the rigidity of coil spring 22 is 25 ~ 70 Ns/millimeter, front overhang shock absorber 25 adopts two suspension ring structural vibration reduction device, and its damping coefficient is 0.8 ~ 3.5 Newton-second/rice, and dumping force is 300 ~ 4000 Ns.Often organize rear overhang assembly 5 and comprise rear overhang upper bracket 51, hydraulic lock 52, hydraulic lock erecting frame 53, rear overhang shock absorber 54 and rear overhang lower bracket 55, rear overhang upper bracket 51 has the side adapter plate and just right two otic placodes that are fixedly connected on operator's compartment longeron 4 two side respectively, otic placode is down and perpendicular to operator's compartment longeron 4, the hydraulic lock erecting frame 53 of horizontally set is connected with between the otic placode of rear overhang upper bracket 51, hydraulic lock 52 is installed in hydraulic lock erecting frame 52, one end of hydraulic lock erecting frame 52 is connected with the upper end of rear overhang lower bracket 55, the other end is connected with rear overhang shock absorber 54, the bottom of rear overhang lower bracket 55 is fixedly installed in vehicle frame 1 lateral wall, top curves inwardly inclination, rear overhang lower bracket 55 top of two groups of rear overhang assemblies 5 inwardly bends in opposite directions, the upper end of rear overhang lower bracket 55 is connected with the other end of rear overhang shock absorber 54, makes hydraulic lock erecting frame 53, rear overhang shock absorber 54 and rear overhang lower bracket 55 install the triangle forming and close, preferably, rear overhang shock absorber 54 adopts two suspension ring structural vibration reduction device, and its damping coefficient is 0.8 ~ 3.5 Newton-second/rice, and dumping force is 300 ~ 4000 Ns.It is worth mentioning that, the curve form of front overhang undersetting 24, swing arm 26 and rear overhang lower bracket 55 is obtained by topological optimization, to reduce deadweight, reduces cost.

Product of the present utility model strengthens bad road verification experimental verification with car load by Hainan, after having tested, car load ride comfort with test before, differ very little, ride comfort and reliability all quite stables.Simultaneously through the checking of batch manufacturing tracking and testing, vehicle ride comfort effect stability, the good ride comfort obtained improves effect.

Claims (4)

1. an operator's compartment floating suspending apparatus entirely, comprise and be connected to two groups of front overhang assemblies between both sides vehicle frame and operator's compartment longeron and two groups of rear overhang assemblies, it is characterized in that: often organize described front overhang assembly and comprise the front overhang upper bracket be connected with described operator's compartment longeron and the front overhang undersetting being fixed on described frame outside wall, the upper end thereof of described front overhang undersetting has swing arm, the other end and the described front overhang upper bracket of described swing arm are hinged, described swing arm is connected with the front overhang shock absorber tilted along described vehicle frame length direction, the other end of described front overhang shock absorber is connected with described front overhang upper bracket, the upper surface of described swing arm is provided with a limiting stopper raised up, described limiting stopper is set with coil spring, described helical spring two ends abut against with described swing arm and described front overhang upper bracket respectively, described front overhang upper bracket has base plate and is located at the side plate of described plate outer side, the lateral wall of described side plate and described operator's compartment longeron offsets, one end of described front overhang shock absorber is connected to the outer wall of the side plate of described front overhang upper bracket, the other end is connected to the outside of described swing arm, and the front end of described operator's compartment longeron has the spacing rib of bending, described in two groups, the described swing arm of front overhang assembly is connected by Panhard rod, and the top of two described front overhang undersettings is bending to the direction mutually deviated from.

2. operator's compartment according to claim 1 floating suspending apparatus entirely, it is characterized in that: often organize described rear overhang assembly and comprise the rear overhang upper bracket be connected with described operator's compartment longeron and the rear overhang lower bracket being fixed on described frame outside wall, the upper end of described rear overhang upper bracket is connected with the hydraulic lock erecting frame of horizontally set, the other end of described hydraulic lock erecting frame is connected with the rear overhang shock absorber be obliquely installed, and the other end of described rear overhang shock absorber is connected with the lower end of described rear overhang lower bracket; Described hydraulic lock erecting frame is provided with hydraulic lock, and described rear overhang upper bracket is connected with described hydraulic lock erecting frame; The rear overhang lower bracket top of rear overhang assembly described in two groups inwardly bends in opposite directions.

3. operator's compartment according to claim 1 and 2 floating suspending apparatus entirely, is characterized in that: described helical spring rigidity is 25 ~ 70 Ns/millimeter; The damping coefficient of described front overhang shock absorber is 0.8 ~ 3.5 Newton-second/rice, and dumping force is 300 ~ 4000 Ns; The damping coefficient of described rear overhang shock absorber is 0.8 ~ 3.5 Newton-second/rice, and dumping force is 300 ~ 4000 Ns.

4. operator's compartment according to claim 3 floating suspending apparatus entirely, is characterized in that: the curve form of described front overhang undersetting, described swing arm and described rear overhang lower bracket is obtained by topological optimization.