CN107697171A - Rear suspension device of cab and truck - Google Patents
Rear suspension device of cab and truck Download PDFInfo
- Publication number
- CN107697171A CN107697171A CN201711096426.1A CN201711096426A CN107697171A CN 107697171 A CN107697171 A CN 107697171A CN 201711096426 A CN201711096426 A CN 201711096426A CN 107697171 A CN107697171 A CN 107697171A
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- China
- Prior art keywords
- assembly
- torque arm
- sleeve
- arm welding
- suspension device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0604—Cabs insulated against vibrations or noise, e.g. with elastic suspension
- B62D33/0608—Cabs insulated against vibrations or noise, e.g. with elastic suspension pneumatic or hydraulic suspension
Abstract
The invention provides a kind of rear suspension device of cab and truck, it is related to the technical field of automotive accessory, rear overhang assembly includes upper lock body assembly, hydraulic lock, torque arm welding assembly, air spring shock absorption assembly, support beam assembly, undersetting；Second end of torque arm welding assembly is provided with sleeve, and polyurethane bushing is provided with sleeve, and the outer wall of polyurethane bushing is bonded with the inwall of sleeve；Rotary shaft is provided with polyurethane bushing, the second end of torque arm welding assembly by rotary shaft and support beam assembly with being rotatably connected.Because the deformability of polyurethane bushing is larger, during driver's cabin moves up and down, polyurethane bushing is deformed, changed by the relative displacement between sleeve and rotary shaft to buffer the first end of two torque arm welding assembly in relative displacement caused by the direction parallel with crossbeam of edge, along the displacement on the direction parallel with crossbeam between two hydraulic locks of reduction, the abrasion of relieving hydraulic lock so that the comfortableness for sailing room is preferable.
Description
Technical field
The present invention relates to the technical field of automotive accessory, more particularly, to a kind of rear suspension device of cab and load-carrying vapour
Car.
Background technology
With the development of China's traffic and the progress of science and technology, people require more next for the comfortableness of load-carrying electrical automobile
It is higher.Rear suspension device of cab is typically set on truck, to connect the rear end of driver's cabin and vehicle frame, for driver's cabin
The buffering of vertical displacement.
In the prior art, rear suspension device of cab generally comprises crossbeam, crossbeam both ends are symmetrically arranged with two groups of rear overhang assemblies,
Two groups of rear overhang assemblies include upper bracket, hydraulic lock, torque arm, air spring damper, one end of overarm brace, undersetting.Upper branch
Seat, hydraulic lock, one end of torque arm, air spring damper, overarm brace, undersetting are sequentially connected.Upper lock body connects with driver's cabin
Connect, undersetting is connected with vehicle frame.Generally.One end of overarm brace is connected with crossbeam, and the other end is used to connect air spring damping
Device and lower carriage.Overarm brace is hinged close to one end of crossbeam with torque arm.Torque arm hinged place is provided with sleeve, and rubber is set in sleeve
Glue bushing, sleeve are positioned in the groove of overarm brace, pass through bolt in rubber bushing, after fixed by nut.
Existing rear suspension device of cab, during driver's cabin moves up and down, upper bracket is connected with driver's cabin, on two
The distance between support is fixed, and hydraulic lock is now in connection status with the bearing pin of upper bracket, and hydraulic lock is not rotatable with torque arm
Connection.Torque arm needs the axle centered on jointed shaft to swing, by the cushioning effect of air spring damper, to be buffered in driver's cabin
The displacement moved up and down, make the comfortableness of driver's cabin preferable.Torque arm is during axle is swung centered on jointed shaft, torque arm band
Hydraulic lock axle centered on jointed shaft to swing, now, torque arm is producing micro-displacement along the direction parallel with crossbeam, causes
Two hydraulic locks change along the distance on the direction parallel with crossbeam；But the deformability of the rubber bushing in sleeve
It is smaller so that displacement of the hinged end of torque arm and overarm brace along the direction where crossbeam is smaller, causes hydraulic lock along crossbeam institute
Displacement in direction is larger so that hydraulic lock is easily worn, while the buffering of driver's cabin is impacted so that driver's cabin
Comfortableness is poor.
The content of the invention
It is an object of the invention to provide a kind of rear suspension device of cab and truck, is driven in the prior art with alleviating
During room moves up and down, hydraulic lock is easily worn, while the buffering of driver's cabin is impacted so that driver's cabin it is comfortable
The poor technical problem of property.
Rear suspension device of cab provided by the invention, including crossbeam and two groups of rear overhang assemblies for being arranged on crossbeam both ends, institute
State rear overhang assembly include upper lock body assembly, hydraulic lock, torque arm welding assembly, air spring shock absorption assembly, support beam assembly, under
Bearing；The upper lock body assembly is connected with driver's cabin, and the undersetting is connected with vehicle frame；
The torque arm welding assembly includes first end and the second end；The support beam assembly includes first end and second
End；The upper lock body assembly, hydraulic lock, the first end of torque arm welding assembly, air spring shock absorption assembly, support beam assembly
First end, undersetting are sequentially connected；
Second end of the support beam assembly is connected with the end of the crossbeam；Second end of the torque arm welding assembly
Sleeve is provided with, polyurethane bushing is provided with the sleeve, the outer wall of the polyurethane bushing pastes with the inwall of the sleeve
Close；Rotary shaft is provided with the polyurethane bushing, the second end of the torque arm welding assembly is with passing through the rotary shaft and institute
State support beam assembly to be rotatably connected, so that the torque arm welding assembly can be swung with the central shaft of the rotary shaft.
Further, the support beam assembly includes bottom plate and two side plates；Two side plates are relatively arranged on
Both sides of the bottom plate, and the bottom of the side plate is connected with the both ends respectively with the bottom plate so that two side plates with
Bottom plate, which encloses, is set as groove；
The rotary shaft is arranged to bolt and support tube, and the bolt is arranged in the support tube, the support tube
Axial length is equal to the recess width；The torque arm welding assembly sets sleeved one end to be arranged on the inside of the groove,
And fixed by screw bolt and nut.
Further, the quantity of the polyurethane bushing is arranged to two, and two polyurethane bushings are relatively arranged on described
The both ends of sleeve；
The polyurethane bushing includes boss and connecting tube, and the boss is arranged at one end of the connecting tube, and described
The external diameter of boss is more than the external diameter of the connecting tube；The external diameter of the connecting tube is more than the internal diameter of the sleeve, the connecting tube
It is arranged at the inside of the sleeve, the bottom of the boss and the end abutment of the sleeve.
Further, the internal diameter of the connecting tube is more than the internal diameter of the boss so that the support tube be arranged at it is described
After in polyurethane bushing, space is provided between the support tube and the connecting tube.
Further, the support beam assembly includes the first linkage section, tilting section, vertical section and the second linkage section；
First linkage section, tilting section, vertical section and the second linkage section are sequentially connected；
First linkage section is used to be connected with the crossbeam, torque arm welding assembly respectively；The tilting section erects with described
Angle between straight section is less than 90 °；
Second linkage section is used to be connected with the air spring shock absorption assembly, undersetting respectively.
Further, first side plate, the top edge of the second side plate are provided with thickening part, and the thickening part is used to strengthen
The intensity of the support beam assembly.
Further, punched out is provided with the bottom plate, the punched out is used for the connecting line for passing hydraulic lock.
Further, the length range of the torque arm welding assembly is：240-280mm.
Further, in addition to height valve assembly and altitude valve upper bracket assembly, the height valve assembly are arranged at described
The sidepiece of support beam assembly, the altitude valve upper bracket assembly are arranged at the air spring shock absorption assembly and welded with the torque arm
Connect the junction of assembly, height valve assembly and altitude valve upper bracket the assembly connection, for controlling the vertical height of driver's cabin.
Present invention also offers a kind of truck, including rear suspension device of cab as described above.
Rear suspension device of cab provided by the invention, including crossbeam and two groups of rear overhang assemblies for being arranged on crossbeam both ends, institute
State rear overhang assembly include upper lock body assembly, hydraulic lock, torque arm welding assembly, air spring shock absorption assembly, support beam assembly, under
Bearing；The upper lock body assembly is connected with driver's cabin, and the undersetting is connected with vehicle frame；The torque arm welding assembly includes first
End and the second end；The support beam assembly includes the second end of first end；The upper lock body assembly, hydraulic lock, torque arm welding
The first end of assembly, air spring shock absorption assembly, one end of support beam assembly, undersetting are sequentially connected；The support beam
Second end of assembly is connected with the end of the crossbeam；Second end of the torque arm welding assembly is provided with sleeve, the sleeve
Polyurethane bushing is inside provided with, the outer wall of the polyurethane bushing is bonded with the inwall of the sleeve；In the polyurethane bushing
Be provided with rotary shaft, the second end of the torque arm welding assembly with it is rotatable by the rotary shaft and the support beam assembly
Connection, so that the torque arm welding assembly can be swung with the central shaft of the rotary shaft.Steering room back suspension provided by the invention
Device, the deformability of polyurethane bushing is larger, and during driver's cabin moves up and down, torque arm axle centered on rotary shaft is put
Dynamic, along the direction parallel with crossbeam, sleeve acts power to polyurethane bushing, and polyurethane bushing is deformed, passed through
Relative displacement between sleeve and rotary shaft changes parallel with crossbeam on edge to buffer the first end of two torque arm welding assembly
Relative displacement caused by direction, along the displacement on the direction parallel with crossbeam, relieving hydraulic lock between two hydraulic locks of reduction
Abrasion, and then cause sail room comfortableness it is preferable.
Truck provided by the invention, including rear suspension device of cab as described above.Load-carrying vapour provided by the invention
Beneficial effect caused by car and rear suspension device of cab provided by the invention is essentially identical, therefore repeats no more here.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the stereogram that polyurethane bushing in rear suspension device of cab provided by the invention is open shape；
Fig. 2 is the stereogram after rear suspension device of cab provided by the invention assembling；
Fig. 3 is the blast that polyurethane bushing is provided with the torque arm welding assembly of rear suspension device of cab provided by the invention
Figure；
Fig. 4 is the polyurethane bushing of rear suspension device of cab provided by the invention and the perspective view of support tube assembling；
Fig. 5 is the front view of the support beam assembly of rear suspension device of cab provided by the invention；
Fig. 6 is the stereogram of the support beam assembly of rear suspension device of cab provided by the invention.
Icon：1- upper lock body assemblies；2- hydraulic locks；3- torque arm welding assembly；The first end of 31- torque arm welding assembly；32-
Second end of torque arm welding assembly；33- sleeves；34- polyurethane bushings；341- boss；342- connecting tubes；35- support tubes；36-
Bolt；37- nuts；4- air spring shock absorption assembly；5- support beam assemblies；The first end of 51- support beam assemblies；52- branch
Support the second end of crossbeam assembly；53- side plates；531- thickening parts；54- bottom plates；541- punched out；The linkage sections of 55- first；56- inclines
Oblique section；57- vertical sections；The linkage sections of 58- second；6- undersettings；7- altitude valve upper bracket assemblies；8- height valve assemblies；9- crossbeams.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it are based on orientation shown in the drawings or position
Relation, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Rear suspension device of cab provided by the invention, as depicted in figs. 1 and 2.Rear suspension device of cab provided by the invention
Including crossbeam 9 and two groups of rear overhang assemblies at the both ends of crossbeam 9 are arranged on, rear overhang assembly includes upper lock body assembly 1, hydraulic lock 2, torque arm
Welding assembly 3, air spring shock absorption assembly 4, support beam assembly 5, undersetting 6.Upper lock body assembly 1 is connected with driver's cabin, under
Bearing 6 is connected with vehicle frame；Torque arm welding assembly 3 includes first end and the second end；Support beam assembly 5 includes first end and second
End；Upper lock body assembly 1, hydraulic lock 2, the first end 31 of torque arm welding assembly, air spring shock absorption assembly 4, support beam assembly
First end 51, undersetting 6 is sequentially connected.Hydraulic lock 2, the first end 31 of torque arm welding assembly, air spring shock absorption assembly 4,
The first end 51 of support beam assembly, the connection of undersetting 6 can be connected by bolt 36, nut 37.Hydraulic lock 2, torque arm weldering
Connect fixed after assembly 3 connects.Second end 52 of support beam assembly is connected with the end of crossbeam 9；The second of torque arm welding assembly
End 32 is provided with sleeve 33, and polyurethane bushing 34, the outer wall of polyurethane bushing 34 and the inwall of sleeve 33 are provided with sleeve 33
Fitting, so that polyurethane bushing 34 is completely embedded with sleeve 33.Rotary shaft, torque arm welding assembly are provided with polyurethane bushing 34
The second end 32 with being rotatably connected by rotary shaft and support beam assembly 5 so that torque arm welding assembly 3 can be with rotary shaft
Central shaft swing.
Rear suspension device of cab provided by the invention, because the deformability of polyurethane bushing 34 is larger, on driver's cabin
During lower movement, torque arm welding assembly 3 and hydraulic lock 2 axle centered on rotary shaft are swung, in the edge side parallel with crossbeam 9
Upwards, sleeve 33 acts power to polyurethane bushing 34, and polyurethane bushing 34 is deformed, by sleeve 33 and rotary shaft it
Between relative displacement change to buffer the first end 31 of two torque arm welding assembly along phase caused by the direction parallel with crossbeam 9
To displacement, along the displacement on the direction parallel with crossbeam 9, the abrasion shape of relieving hydraulic lock 2 between two hydraulic locks 2 of reduction
Condition, and then make it that the comfortableness of driver's cabin is good.
Meanwhile rear suspension device of cab provided by the invention, during truck is repaired, in the prior art, by
In the rigidity of rubber bushing is larger, deflection is smaller so that the lateral displacement of torque arm welding assembly 3 is smaller, causes two hydraulic pressure
Laterally opposed displacement between lock 2 is smaller, when distance and the hydraulic lock 2 of the bearing pins of two upper lock body assemblies 1 prevent hole from having partially
When poor, even if hydraulic lock 2 has guide effect, but the lateral displacement of two hydraulic locks 2 is smaller so that upper lock body assembly 1 can not
Correctly drop into hydraulic lock 2, cause the difficulty that latches.However, rear suspension device of cab provided by the invention uses polyurethane
Bushing 34, transversely deforming amount is larger, can be along the larger position of laterally generation between the first end 31 of the torque arm welding assembly made
Move so that two hydraulic locks 2 laterally can produce larger displacement, latch conveniently.For convenience of description, it is parallel with crossbeam 9
Direction is arranged to laterally.
Again, rear suspension device of cab provided by the invention, during truck is turned, the outer wall of polyurethane by
Pressure to sleeve 33 towards turn direction, polyurethane bushing 34 are deformed, and relative to rubber bushing of the prior art, are gathered
The elasticity of urethane bushing 34 preferably, can carry out good resilience, alleviate the force-bearing situation of sleeve 33, and it is total to be advantageous to torque arm welding
The long period is used into 3.
Specifically, as shown in Fig. 3, Fig. 4 and Fig. 6, support beam assembly 5 includes bottom plate 54 and two side plates 53；Two institutes
State the both sides that side plate 53 is relatively arranged on the bottom plate 54, and the bottom of the side plate 53 and the both ends with the bottom plate 54 respectively
Connection, so that two side plates 53 enclose with bottom plate 54 is set as groove；Rotary shaft is arranged to bolt 36 and support tube 35, bolt 36
It is arranged in support tube 35, the axial length of support tube 35 is equal to recess width；Second end 32 of torque arm welding assembly 3 is arranged at
On the inside of groove, and fixed by bolt 36 and nut 37.
Above-mentioned polyurethane bushing 34 is interference fitted with sleeve 33, and when making, polyurethane bushing 34 is pressed into sleeve 33,
Support tube 35 is set in polyurethane bushing 34, the second end 32 of torque arm welding assembly 3 is positioned over close to support beam assembly
The second end 52 groove in, the both sides of groove are provided with through hole, and one end of bolt 36 is through through hole, the inside of support tube 35 and recessed
The through hole of the groove other end, finally with the penetrating end of the fixing bolt 36 of nut 37.The setting of support tube 35 is act as：Such as without branch
Stay tube 35, then torque arm welding assembly 3 is put into the groove in support beam assembly 5, nut 37 is screwed in one end of bolt 36,
Because the deflection of polyurethane bushing 34 is larger so that during nut 37 screws in bolt 36, easily cause two of groove
Side wall is deformed to the center position of groove, so as to cause the deformation of groove, so that polyurethane bushing 34 is by groove
Extruding of the side wall to center position, influences the swing of torque arm welding assembly 3.Therefore, support tube 35 is to polyurethane bushing 34 and branch
Support the supporting role of the groove of crossbeam assembly 5.
Deformation process of the bur of detailed process and polyurethane bushing 34 during above-mentioned driver's cabin vertical tremor in can be with
Specifically describe, by taking the torque arm welding assembly 3 on the right side of Fig. 1 as an example.When torque arm welding assembly 3 is downward and has crossed the institute of crossbeam 9
Position when, the left side of polyurethane bushing 34 by the right direction of sleeve 33 pressure, polyurethane bushing 34 compressed from
And ensure that two hydraulic locks 2 are constant in the relative position of horizontal direction, so as to the abrasion of relieving hydraulic lock 2.When torque arm welding is total
During being swung up into 3, torque arm welding assembly 3 is located on the extended line direction of crossbeam 9, now the right side of polyurethane bushing 34
By the pressure of the left direction of sleeve 33, polyurethane bushing 34 compressed so as to ensure two hydraulic locks 2 in horizontal direction for side
Relative position it is constant, relieving hydraulic lock 2 abrasion.
Further, the quantity of polyurethane bushing 34 could be arranged to two, and two polyurethane bushings 34 are relatively arranged on
The both ends of sleeve 33；Polyurethane bushing 34 includes boss 341 and connecting tube 342, and boss 341 is arranged at one end of connecting tube 342,
And the external diameter of boss 341 is more than the external diameter of connecting tube 342, to ensure the patch of the inwall of sleeve 33 and the outer wall of polyurethane bushing 34
Close；The external diameter of connecting tube 342 is more than the internal diameter of sleeve 33, and connecting tube 342 is arranged at the inside of sleeve 33, the bottom of boss 341
With the end abutment of sleeve 33.During making, the end of connecting tube 342 of two polyurethane bushings 34 is extruded to sleeve 33 respectively
It is interior, until the bottom of boss 341 and the end abutment of sleeve 33.Above-mentioned setting can make sleeve 33 be positioned over support beam assembly
The second end 52 groove in, alleviate extruding of the side plate 53 to sleeve 33.It is simultaneously easy to make.
Further, the internal diameter of connecting tube 342 is more than the internal diameter of boss 341, so that support tube 35 is arranged at polyurethane lining
After in set 34, space is provided between support tube 35 and connecting tube 342.Above-mentioned setting can reduce torque arm welding assembly 3 and swing
During, the abrasion of the relative rotation between polyurethane bushing 34 and support tube 35.Meanwhile it can alleviate in torque arm welding assembly
In 3 swing process, polyurethane bushing 34 is under pressure, when being deformed to the center position of support tube 35, to the pressure of support tube 35,
Avoid the deformation of support tube 35.
Connect as shown in figure 5, support beam assembly 5 can include the first linkage section 55, tilting section 56, vertical section 57 and second
Connect section 58；First linkage section 55, tilting section 56, the linkage section 58 of vertical section 57 and second are sequentially connected.The first of above-mentioned side plate 53
Linkage section 55, tilting section 56, the linkage section 58 of vertical section 57 and second are formed in one, merely just for convenience of description, by side plate
53 are divided into several parts.
First linkage section 55 is used to be connected with crossbeam 9, torque arm welding assembly 3 respectively；Between tilting section 56 and vertical section 57
Angle be less than 90 °；Second linkage section 58 is used to be connected with air spring shock absorption assembly 4, undersetting 6 respectively.Because torque arm is welded
The width for connecing assembly 3 is less than the width of groove, and during torque arm welding assembly 3 is swung, torque arm welding assembly 3 is to groove
Beveled end moves.Above-mentioned setting, be advantageous to reduce rear suspension device of cab space-consuming, make two support beam assemblies 5 it
Between distance increase, be advantageous to place the part such as engine between two support beam assemblies 5.
Bottom plate 54 is provided between the bottom of side plate 53, is advantageous to strengthen the intensity of support beam assembly 5.The top of side plate 53
Thickening part 531 is provided with side, thickening part 531 is used for the intensity for strengthening support beam assembly 5.Above-mentioned setting is also beneficial to strengthen
The intensity of support beam assembly 5, while mitigate the weight of support beam assembly 5.
Further, punched out 541 is provided with bottom plate 54, punched out 541 is used for the connecting line for passing hydraulic lock 2, liquid
The connecting line of pressure lock 2 and the mechanism being arranged between two support beam assemblies 5 connect.Above-mentioned setting causes steering room back suspension to fill
Put overall ingenious.
When length between the both ends of torque arm welding assembly 3 is longer, be advantageous to alleviate the horizontal position between two hydraulic locks 2
Move, slow down the abrasion of hydraulic lock 2, but torque arm welding assembly 3 is long, then can make the tilting section 56 of support beam assembly 5 to horizontal stroke
The center position movement of beam 9, causes the space between two support beam assemblies 5 to reduce, therefore, from torque arm welding assembly 3
Both ends between length range be：240-280mm, to take into account the first end 31 for ensureing to alleviate torque arm welding assembly in horizontal side
It is larger to the space between displacement and two support beam assemblies 5.
Rear suspension device of cab provided by the invention also includes height valve assembly 8 and altitude valve upper bracket assembly 7, altitude valve
Assembly 8 is arranged at the sidepiece of support beam assembly 5, and altitude valve upper bracket assembly 7 is arranged at air spring shock absorption assembly 4 and torque arm
The junction of welding assembly 3, height valve assembly 8 and altitude valve upper bracket assembly 7 connect, and by controlling air spring assembly, enter
And control the vertical height of driver's cabin.
In summary, rear suspension device of cab provided by the invention, the second end 32 of torque arm welding assembly are provided with sleeve
33, polyurethane bushing 34 is provided with sleeve 33, and the outer wall of polyurethane bushing 34 is bonded with the inwall of sleeve 33, so that polyurethane
Bushing 34 is completely embedded with sleeve 33.Support tube 35 and bolt 36 are provided with polyurethane bushing 34, so that torque arm welding assembly 3
It can be swung with the central shaft of bolt 36.Rear suspension device of cab provided by the invention, due to the deformation energy of polyurethane bushing 34
Power is larger, and during driver's cabin moves up and down, torque arm welding assembly 3 and hydraulic lock 2 axle centered on rotary shaft are swung,
On along the direction parallel with crossbeam 9, sleeve 33 acts power to polyurethane bushing 34, and polyurethane bushing 34 is deformed, and leads to
The relative displacement crossed between sleeve 33 and rotary shaft changes to buffer the first end 31 of two torque arm welding assembly on edge and crossbeam 9
Relative displacement caused by parallel direction, along the displacement on the direction parallel with crossbeam 9 between two hydraulic locks 2 of reduction, delay
The wear condition of hydraulic lock 2 is solved, improves the comfortableness of driver's cabin, and is latched conveniently, upset and load-carrying vapour in favor of driver's cabin
The maintenance of car.Meanwhile the deft design of support beam assembly 5, intensity are higher.
Truck provided by the invention, including rear suspension device of cab as above.The first end 51 of support beam assembly
It is detachably connected with undersetting 6, when the model difference of truck, the model of undersetting 6 can be only changed, so that this hair
The rear suspension device of cab of bright offer can apply the truck of Multiple Type, while save cost.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of rear suspension device of cab, it is characterised in that including crossbeam and be arranged on two groups of rear overhang assemblies at crossbeam both ends, institute
State rear overhang assembly include upper lock body assembly, hydraulic lock, torque arm welding assembly, air spring shock absorption assembly, support beam assembly, under
Bearing；The upper lock body assembly is connected with driver's cabin, and the undersetting is connected with vehicle frame；
The torque arm welding assembly includes first end and the second end；The support beam assembly includes first end and the second end；Institute
State upper lock body assembly, hydraulic lock, the first end of torque arm welding assembly, air spring shock absorption assembly, the first of support beam assembly
End, undersetting are sequentially connected；
Second end of the support beam assembly is connected with the end of the crossbeam；Second end of the torque arm welding assembly is set
There is sleeve, polyurethane bushing is provided with the sleeve, the outer wall of the polyurethane bushing is bonded with the inwall of the sleeve；Institute
State and rotary shaft is provided with polyurethane bushing, the second end of the torque arm welding assembly is with passing through the rotary shaft and the support
Crossbeam assembly is rotatably connected, so that the torque arm welding assembly can be swung with the central shaft of the rotary shaft.
2. rear suspension device of cab according to claim 1, it is characterised in that the support beam assembly includes bottom plate
And two side plates；Two side plates are relatively arranged on the both sides of the bottom plate, and the bottom of the side plate with respectively with it is described
The both ends connection of bottom plate, so that two side plates enclose with bottom plate is set as groove；
The rotary shaft is arranged to bolt and support tube, and the bolt is arranged in the support tube, the axial direction of the support tube
Length is equal to the recess width；The torque arm welding assembly sets sleeved one end to be arranged on the inside of the groove, and leads to
Screw bolt and nut is crossed to fix.
3. rear suspension device of cab according to claim 2, it is characterised in that the quantity of the polyurethane bushing is arranged to
Two, two polyurethane bushings are relatively arranged on the both ends of the sleeve；
The polyurethane bushing includes boss and connecting tube, and the boss is arranged at one end of the connecting tube, and the boss
External diameter be more than the connecting tube external diameter；The external diameter of the connecting tube is more than the internal diameter of the sleeve, and the connecting tube is set
In the inside of the sleeve, the bottom of the boss and the end abutment of the sleeve.
4. rear suspension device of cab according to claim 3, it is characterised in that the internal diameter of the connecting tube is more than described convex
The internal diameter of platform, so that after the support tube is arranged in the polyurethane bushing, set between the support tube and the connecting tube
It is equipped with space.
5. rear suspension device of cab according to claim 2, it is characterised in that the support beam assembly includes first and connected
Connect section, tilting section, vertical section and the second linkage section；First linkage section, tilting section, vertical section and the second linkage section connect successively
Connect；
First linkage section is used to be connected with the crossbeam, torque arm welding assembly respectively；The tilting section and the vertical section
Between angle be less than 90 °；
Second linkage section is connected with the air spring shock absorption assembly, undersetting respectively.
6. rear suspension device of cab according to claim 2, it is characterised in that the top edge of the side plate is provided with thickening
Portion, the thickening part are used for the intensity for strengthening the support beam assembly.
7. rear suspension device of cab according to claim 2, it is characterised in that punched out, institute are provided with the bottom plate
State the connecting line that punched out is used to pass hydraulic lock.
8. rear suspension device of cab according to claim 7, it is characterised in that the length range of the torque arm welding assembly
For：240-280mm.
9. rear suspension device of cab according to claim 1, it is characterised in that also including on height valve assembly and altitude valve
Bracket assembly；
The height valve assembly is arranged at the sidepiece of the support beam assembly, and the altitude valve upper bracket assembly is arranged at described
The junction of air spring shock absorption assembly and the torque arm welding assembly, height valve assembly and altitude valve the upper bracket assembly connect
Connect, for controlling the vertical height of driver's cabin.
10. a kind of truck, it is characterised in that including the rear suspension device of cab as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096426.1A CN107697171A (en) | 2017-11-09 | 2017-11-09 | Rear suspension device of cab and truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096426.1A CN107697171A (en) | 2017-11-09 | 2017-11-09 | Rear suspension device of cab and truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107697171A true CN107697171A (en) | 2018-02-16 |
Family
ID=61178964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096426.1A Pending CN107697171A (en) | 2017-11-09 | 2017-11-09 | Rear suspension device of cab and truck |
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| CN (1) | CN107697171A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357572A (en) * | 2018-04-16 | 2018-08-03 | 江铃汽车股份有限公司 | A kind of steering room back suspension holder of novel integrated morphology |
| CN109693528A (en) * | 2019-02-26 | 2019-04-30 | 博戈橡胶金属（上海）有限公司 | A kind of engine wobble support |
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| CN101274645A (en) * | 2007-03-13 | 2008-10-01 | 斯堪尼亚有限公司 | Elastic washer bushing, vehicle cabin suspension and the use of such a washer bushing |
| CN201385706Y (en) * | 2009-03-26 | 2010-01-20 | 内蒙古第一机械制造（集团）有限公司 | Shock absorber servo type driving cab rear suspension device |
| CN201729197U (en) * | 2010-09-03 | 2011-02-02 | 湖北炎龙汽车有限公司 | Driving cab rear suspension assembly |
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| CN203268167U (en) * | 2013-06-09 | 2013-11-06 | 上汽依维柯红岩商用车有限公司 | Cab rear suspension system |
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| CN103693117A (en) * | 2013-12-26 | 2014-04-02 | 玉环县强力件制造厂 | Heavily-loaded vehicle cab rear suspension device |
| CN204341233U (en) * | 2014-12-30 | 2015-05-20 | 山西大运汽车制造有限公司 | Integral type driving cab rear suspension assembly |
| CN204736665U (en) * | 2015-05-25 | 2015-11-04 | 中国重汽集团济南动力有限公司 | Driver's cabin front overhang swing arm device |
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| CN207536002U (en) * | 2017-11-09 | 2018-06-26 | 北京北方凌云悬置系统科技有限公司 | Rear suspension device of cab and truck |
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| US6073714A (en) * | 1999-02-25 | 2000-06-13 | Freightliner Corporation | Vehicle cab suspension system |
| CN101274645A (en) * | 2007-03-13 | 2008-10-01 | 斯堪尼亚有限公司 | Elastic washer bushing, vehicle cabin suspension and the use of such a washer bushing |
| CN201385706Y (en) * | 2009-03-26 | 2010-01-20 | 内蒙古第一机械制造（集团）有限公司 | Shock absorber servo type driving cab rear suspension device |
| CN201729197U (en) * | 2010-09-03 | 2011-02-02 | 湖北炎龙汽车有限公司 | Driving cab rear suspension assembly |
| CN102514634A (en) * | 2011-12-09 | 2012-06-27 | 三一重工股份有限公司 | Rear suspension component and device of car cab |
| CN203358724U (en) * | 2013-01-07 | 2013-12-25 | 中国北方车辆研究所 | Back suspension device of cab |
| CN103072639A (en) * | 2013-01-31 | 2013-05-01 | 中国重汽集团成都王牌商用车有限公司 | Suspension device applied to medium and heavy duty truck cab |
| CN203246518U (en) * | 2013-05-23 | 2013-10-23 | 中国重汽集团济南动力有限公司 | Elastic lining used for cab suspension system |
| CN203268167U (en) * | 2013-06-09 | 2013-11-06 | 上汽依维柯红岩商用车有限公司 | Cab rear suspension system |
| CN103693117A (en) * | 2013-12-26 | 2014-04-02 | 玉环县强力件制造厂 | Heavily-loaded vehicle cab rear suspension device |
| CN204341233U (en) * | 2014-12-30 | 2015-05-20 | 山西大运汽车制造有限公司 | Integral type driving cab rear suspension assembly |
| CN204736665U (en) * | 2015-05-25 | 2015-11-04 | 中国重汽集团济南动力有限公司 | Driver's cabin front overhang swing arm device |
| CA2957744A1 (en) * | 2016-02-09 | 2017-08-09 | Dux Machinery Corporation | Suspension system for a cabin of a mining vehicle |
| CN207536002U (en) * | 2017-11-09 | 2018-06-26 | 北京北方凌云悬置系统科技有限公司 | Rear suspension device of cab and truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357572A (en) * | 2018-04-16 | 2018-08-03 | 江铃汽车股份有限公司 | A kind of steering room back suspension holder of novel integrated morphology |
| CN109693528A (en) * | 2019-02-26 | 2019-04-30 | 博戈橡胶金属（上海）有限公司 | A kind of engine wobble support |
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