CN203078616U - Cab rear air spring suspension - Google Patents
Cab rear air spring suspension Download PDFInfo
- Publication number
- CN203078616U CN203078616U CN 201320015560 CN201320015560U CN203078616U CN 203078616 U CN203078616 U CN 203078616U CN 201320015560 CN201320015560 CN 201320015560 CN 201320015560 U CN201320015560 U CN 201320015560U CN 203078616 U CN203078616 U CN 203078616U
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- CN
- China
- Prior art keywords
- air bellow
- bumper
- operator
- cab
- compartment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000725 suspension Substances 0.000 title abstract description 14
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 abstract description 18
- 230000035939 shock Effects 0.000 abstract description 9
- 239000006096 absorbing agent Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000002775 capsule Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a cab rear air spring suspension which is composed of a rear supporting device, a locking device, a rear inhibiting device and a rear gas circuit device. The rear supporting device is matched with a rear air spring shock absorber and a height control valve of a cab of a new structure, vibration damping performance of the cab rear suspension is improved, dynamic shock insulation rate reaches 60%, idling shock insulation rate reaches 80%, cab shock caused by the fact that impact of the road surface is transmitted to a vehicle frame through an underpan suspension is rapidly reduced, and smooth performance of the cab when a motor vehicle is driven is improved, and driving comfort is greatly improved.
Description
Technical field
The utility model relates to automobile cab suspending apparatus technical field, relate in particular to a kind of operator's compartment after air bellow suspend.
Background technology
Ride comfort become to attach most importance to important performance indexes of card, the damping performance that Cab mounting suspends after particularly is crucial, it is single to mate the air bellow structure that suspends after heavily blocking operator's compartment at present both at home and abroad, the following problem of ubiquity: at first be that bumper is short, stroke is little, compression and recovery resistance are big, the operating altitude of bumper is generally at 270mm, and secondly stroke 40mm is that utricule is little, utricule working diameter 120mm, height 130mm is that the height-control valve of coupling is unreasonable at last, and the inflation exhaust velocity is slow, after tested, the dynamic shock insulation rate of air bellow can only reach 30%, and idling vibration isolation rate can only reach 50%, and damping effect is undesirable.
The utility model content
Air bellow suspended after embodiment of the present utility model provided a kind of operator's compartment, and damping effect is better, can obviously improve ride comfort.
For achieving the above object, the utility model embodiment provides following technical scheme:
Air bellow suspends behind a kind of operator's compartment, comprises rear support device, Locking Device, back inhibiting device and back gas path device, and it is characterized in that: described Locking Device one end is captiveed joint with described rear support device, other end captive joint cabin rear wall outside plate; Back inhibiting device is captiveed joint with described rear support device respectively with the back gas path device.
Described rear support device comprises entablatrance, portal frame, bumper and lateral connecting rod;
One end and the entablatrance of lateral connecting rod are hinged, and the other end is hinged with the portal frame that is fixed on the vehicle frame, and the upper and lower end of bumper is hinged with the left and right mounting hole of entablatrance and portal frame respectively.
Described bumper is the air bellow bumper.
Described air bellow shock absorber design height is 390mm, and stroke is 70mm, and the utricule usable length is 170mm.
The beneficial effects of the utility model are:
Improve the cushioning performance that suspends behind the operator's compartment, dynamically the shock insulation rate reaches 60%, idling vibration isolation rate reaches 80%, can decay rapidly to pass to the vibrations that vehicle frame causes operator's compartment by the ground-surface impact by the chassis suspension, and operator's compartment has good ride comfort when making running car.
Description of drawings
The structural representation that Fig. 1 suspends for the utility model air bellow;
The schematic diagram of gas circuit that Fig. 2 suspends for the utility model air bellow;
The air bellow bumper structural representation that Fig. 3 suspends for the utility model air bellow;
The height-control valve inlet, outlet characteristic curve scheme drawing that Fig. 4 suspends for the utility model air bellow.
Nomenclature:
1 rear support device, 23 left hangers
11 entablatrances, 24 right hangers
12 portal frames, 25 hydraulic lock
13 left air bellow bumper 26 back mountings
131 lower lift rings, 3 back inhibiting device
132 admission ports, 31 left bump rubber suspension brackets
133 piston bodies, 32 right bump rubber suspension brackets
134 lower catch hoops, 33 left damping rubber blocks
135 capsule skins, 34 right damping rubber blocks
136 bumpers, 4 back gas path devices
137 front bands, 41 connecting lines
138 upper lift rings 42 are often opened the electromagnetism check valve
14 right air bellow bumper 43 height adjusting valves
15 lateral connecting rods, 44 air receivers
2 Locking Devices, 61 cabin rear wall outside plates
21 left rubber cushion blocks 71 vehicle frames
22 right rubber cushion blocks
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
As the description in the above-mentioned background technology, in order to solve the problem of the damping effect difference that suspends behind the operator's compartment, air bellow suspends after the utility model proposes a kind of operator's compartment, with reference to figure 1, shown in Figure 2, rear support device 1 is made up of entablatrance 11, portal frame 12, left air bellow bumper 13, right air bellow bumper 14 and lateral connecting rod 15;
One end and the entablatrance 11 of lateral connecting rod 15 are hinged, and the other end is hinged with the portal frame 12 that is fixed on the vehicle frame 71, and lateral connecting rod 15 can guarantee the lateral stability of operator's compartment;
The upper and lower end of left side air bellow bumper 13 and right air bellow bumper 14 is hinged with the left and right mounting hole of entablatrance 11 and portal frame 12 respectively.
Fixing left hanger 23 in the both sides of cabin rear wall outside plate 61 and right hanger 24, fixing back, middle part mounting 26;
A left side rubber cushion blocks 21 and right rubber cushion blocks 23 cooperate with left hanger 23 and right hanger 24 respectively and are fixed on both sides, crossbeam 11 upper surface, and hydraulic lock 2 cooperates with back mounting 26 and is fixed on crossbeam 11 middle parts.
Back inhibiting device 3 is made up of left bump rubber suspension bracket 31, right bump rubber suspension bracket 31, left damping rubber block 33 and right damping rubber block 34;
Left side damping rubber block 33 and right damping rubber block 34 are separately fixed at both sides, crossbeam 11 lower surface with respect to left hanger 23 and right hanger 24 bottoms;
A left side bump rubber suspension bracket 31 and right bump rubber suspension bracket 32 cooperate with left damping rubber block 33 and right damping rubber block 34 respectively and are fixed on portal frame 12 both sides.
Back gas path device 4 by connecting line 41, often open electromagnetism check valve 42, height adjusting valve 43 is formed;
In the running car, be fixed on left hanger 12, the right hanger 24 on the cabin rear wall outside plate 61 and be fixed on the cabin rear wall outside plate 61 back mounting 26 respectively be fixed on left rubber block 21, the right rubber block 22 on the entablatrance 11 and be fixed on the hydraulic lock 25 coupling lockings at entablatrance 11 middle parts, Locking Device 2 makes operator's compartment and entablatrance 11 form one, makes the operator's compartment locking;
After suspend can be according to the stressing conditions of the strong point behind the operator's compartment, control the gas that charges and discharge of left air bellow bumper 13, right air bellow bumper 14 by height adjusting valve 43, thereby regulate the rigidity and the soft durometer of air bellow, to guarantee the invariant position of the relative vehicle frame 71 of operator's compartment, left side air bellow bumper 13, right air bellow bumper 14 can make the vibrations of operator's compartment reduce, and obtain comfortable driving environment;
When height adjusting valve 43 can stop air bellow to be hit, moment, anticyclonic pressure was to the influence of brake system;
String is moving about the effect restriction operator's compartment of lateral connecting rod 15, helps the stable of operator's compartment left and right directions;
Back inhibiting device 3 is that keep left bump rubber suspension bracket 31, right bump rubber suspension bracket 32 cooperated the upper and lower spacing effect of operator's compartment with left damping rubber block 33, right damping rubber block 24; upper limit can protect the bumper in left air bellow bumper 13, the right air bellow bumper 14 not to be damaged; when system did not have atmospheric pressure state, lower limit can protect the air bellow in left air bellow bumper 13, the right air bellow bumper 14 not to be damaged.
With reference to shown in Figure 2, be gas circuit principle of the present utility model, connect the gas air receiver 44 that is full of certain pressure by connecting line 41, electromagnetism check valve 42, height-control valve 43 are often opened in other end series connection, be communicated with left air bellow vibration damper assembly 13 and right air bellow vibration damper assembly 14 respectively by height-control valve 43 at last, realize the gas that charges and discharge of air bellow by regulating height-control valve 43, thereby regulate the soft durometer and the rigidity of air bellow.
With reference to shown in Figure 3, be back of the present utility model air bellow structure, left air bellow bumper 13 and right air bellow bumper 14 are for being arranged in the same air spring damper of diverse location.The air bellow bumper is made up of lower lift ring 131, admission port 132, piston body 133, lower catch hoop 134, capsule skin 135, bumper 136, front band 137 and upper lift ring 138;
Air bellow bumper operating altitude is 390mm, and stroke is 70mm, and the utricule usable length is 170mm;
Above-mentioned operating altitude is an air bellow shock absorber design height, and above-mentioned stroke is that air bellow shock absorber maximum height and stretching minimum altitude are poor, and above-mentioned utricule usable length is capsule skin 135 height;
The utility model extends bumper 136, piston body 133 and capsule skin 135 in proportion, increases volume and bumper 136 strokes, reduces the piston dumping force, and air bellow 13 rigidity are reduced, and improves cushioning performance.(bumper 136 design height 390mm, stroke: 70mm, recovery damping force 980 ± 150N during piston speed 0.3m/s, compression damping power 540 ± 110N, air bellow operation pressure: 6bar, utricule usable length 170mm cushion stroke is big, integral rigidity is regulated easily).
With reference to shown in Figure 4, inlet, outlet characteristic curve for height-control valve 43 of the present utility model, slope in the operating angle interval is very big, the vibration that passes to vehicle frame by the chassis suspension is impacted in induction that can be sensitive by ground-surface, that realizes air bellow fast charges and discharge gas with damped vibration, guarantees ride comfort.
Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (4)
1. air bellow suspends behind the operator's compartment, comprises rear support device, Locking Device, back inhibiting device and back gas path device, and it is characterized in that: described Locking Device one end is captiveed joint with described rear support device, other end captive joint cabin rear wall outside plate; Back inhibiting device is captiveed joint with described rear support device respectively with the back gas path device.
2. air bellow suspends behind the operator's compartment according to claim 1, it is characterized in that: described rear support device comprises entablatrance, portal frame, bumper and lateral connecting rod;
One end and the entablatrance of lateral connecting rod are hinged, and the other end is hinged with the portal frame that is fixed on the vehicle frame, and the upper and lower end of bumper is hinged with the left and right mounting hole of entablatrance and portal frame respectively.
3. air bellow suspends behind the operator's compartment according to claim 2, it is characterized in that: described bumper is the air bellow bumper.
4. air bellow suspends behind the operator's compartment according to claim 3, it is characterized in that: described air bellow bumper operating altitude is 390mm, and stroke is 70mm, and the utricule usable length is 170mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015560 CN203078616U (en) | 2013-01-11 | 2013-01-11 | Cab rear air spring suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015560 CN203078616U (en) | 2013-01-11 | 2013-01-11 | Cab rear air spring suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203078616U true CN203078616U (en) | 2013-07-24 |
Family
ID=48824477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015560 Expired - Fee Related CN203078616U (en) | 2013-01-11 | 2013-01-11 | Cab rear air spring suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203078616U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859721A (en) * | 2015-05-05 | 2015-08-26 | 芜湖福马汽车零部件有限公司 | Vehicle wide-body portal frame |
| CN103754276B (en) * | 2014-02-13 | 2016-03-02 | 安徽江淮汽车股份有限公司 | A kind of cab rear suspension structure |
| CN111661157A (en) * | 2020-06-08 | 2020-09-15 | 中国重汽集团成都王牌商用车有限公司 | Multifunctional front cross beam assembly with air storage function |
| CN112520633A (en) * | 2021-01-22 | 2021-03-19 | 吉林大学 | Hydraulic lifting and locking equipment for cab |
-
2013
- 2013-01-11 CN CN 201320015560 patent/CN203078616U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754276B (en) * | 2014-02-13 | 2016-03-02 | 安徽江淮汽车股份有限公司 | A kind of cab rear suspension structure |
| CN104859721A (en) * | 2015-05-05 | 2015-08-26 | 芜湖福马汽车零部件有限公司 | Vehicle wide-body portal frame |
| CN111661157A (en) * | 2020-06-08 | 2020-09-15 | 中国重汽集团成都王牌商用车有限公司 | Multifunctional front cross beam assembly with air storage function |
| CN112520633A (en) * | 2021-01-22 | 2021-03-19 | 吉林大学 | Hydraulic lifting and locking equipment for cab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20190111 |