CN102275481A - Oil-gas suspension mechanism and engineering vehicle with suspension mechanism - Google Patents
Oil-gas suspension mechanism and engineering vehicle with suspension mechanism Download PDFInfo
- Publication number
- CN102275481A CN102275481A CN2011101594323A CN201110159432A CN102275481A CN 102275481 A CN102275481 A CN 102275481A CN 2011101594323 A CN2011101594323 A CN 2011101594323A CN 201110159432 A CN201110159432 A CN 201110159432A CN 102275481 A CN102275481 A CN 102275481A
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- ball pivot
- oleo
- pneumatic suspension
- half free
- free bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
- B60G2202/24—Fluid damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/128—Damper mount on vehicle body or chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/129—Damper mount on wheel suspension or knuckle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/43—Fittings, brackets or knuckles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/40—Constructional features of dampers and/or springs
- B60G2206/41—Dampers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides an oil-gas suspension mechanism and an engineering vehicle with the suspension mechanism. The oil-gas suspension mechanism comprises a spherical hinge seat, a connecting part and a suspension cylinder, wherein the connecting part is provided with an internal spherical surface and used for connecting with a frame, and the suspension cylinder is arranged on the spherical hinge seat; the middle part of a cylinder body of the suspension cylinder is provided with a spherical hinge part in a spherical bulged shape, and the spherical hinge part is matched with the internal spherical surface of the spherical hinge seat so as to form a hinged mechanism; and an extending end of a piston rod of the suspension cylinder is provided with a hinged part hinged with an axle. The suspension cylinder of the oil-gas suspension mechanism provided by the invention is connected with the frame by the spherical hinge seat arranged at the middle part of the cylinder body, so that an upper connecting point of the suspension cylinder can be lowered, and then the height of a whole vehicle can be effectively reduced, the centre of gravity of the vehicle can be lowered, and the stability of the whole vehicle can be increased.
Description
Technical field
The present invention relates to the vehicle suspension system field, especially, relate to a kind of oleo-pneumatic suspension mechanism and have the engineering truck of this hitch.
Background technology
For general oil cylinder,, adopt ball pivot or universal-joint, ball pivot or the effect of universal-joint bearing radial force at the oil cylinder two ends in order to allow oil cylinder swing within the specific limits.As the oleo-pneumatic suspension oil cylinder, it is for connecting the shock absorber of vehicle bridge and vehicle frame, and effect is that the impact of facing vehicle bridge when alleviating running car is delivered to vehicle frame, increases the traveling comfort of car load.Simultaneously, for preventing too much vibration, in oleo-pneumatic suspension, be added with damping hole, with damped vibration rapidly.
As shown in Figure 1, the mounting means of oleo-pneumatic suspension oil cylinder commonly used is that bearing pin is installed, be that the hanging oil cylinder upper/lower terminal is respectively arranged with bulb 1 and following bulb 2, leave simultaneously a bearing on vehicle frame and vehicle bridge, the bearing pin that oleo-pneumatic suspension oil cylinder upper/lower terminal passes through separately respectively is connected with vehicle bridge with vehicle frame.Adopt the oleo-pneumatic suspension oil cylinder of this structure, it is connected hinge or universal-joint, stressed is diametral load, the load of hinge or universal-joint is had relatively high expectations, and, connect the two ends that the joint is arranged in oil cylinder, limited the layout of oil cylinder to a certain extent.In order to reduce the car load center of gravity, attachment point need be arranged in the vehicle frame upper end as far as possible on the oil cylinder, increases design difficulty.Simultaneously, oil cylinder requires to be arranged in the vehicle frame both sides, when frame width during greater than vehicle bridge oil cylinder attachment point width, need carry out bigger change to vehicle frame and could arrange the suspension oil cylinder.
Therefore, be necessary to provide a kind of and can effectively reduce the car load height, increase whole vehicle stability, and mounting means flexibly and be easy to install the oleo-pneumatic suspension oil cylinder mechanism.
Summary of the invention
The engineering truck that the object of the invention is to provide a kind of oleo-pneumatic suspension mechanism and has this hitch, with the oleo-pneumatic suspension system that solves existing engineering truck during with the use of twins vehicle bridge coupling, because spacing is little between vehicle bridge tire and the vehicle frame, the technical matters that the oleo-pneumatic suspension oil cylinder is difficult to arrange.
For achieving the above object, according to an aspect of the present invention, provide a kind of oleo-pneumatic suspension mechanism, comprising: the ball pivot seat has Internal Spherical Surface and is used for connecting portion connected to ground; Hanging oil cylinder is installed on the ball pivot seat, and the middle part of the cylinder body of hanging oil cylinder has the ball pivot portion of protrusion spherical in shape, and ball pivot portion matches with the Internal Spherical Surface of ball pivot seat to constitute linkwork; The external part of the piston rod of hanging oil cylinder has and vehicle bridge pivotally attached articulated section.
Further, the ball pivot seat comprises the first half free bearings and the second half free bearings of mutual fastening, and connecting portion is arranged on the first half free bearings or the second half free bearings.
Further, be respectively arranged with first docking section and second docking section on the first half free bearings and the second half free bearings, first docking section is provided with the screw that is connected that cooperatively interacts with second docking section.
Further, the maximum cross-section coplane of the interface of the first half free bearings and the second half free bearings and the along continuous straight runs of ball pivot portion, first docking section is the first gimbal panel that is arranged at the first half free bearing peripheries, and second docking section is the second gimbal panel that is arranged at the second half free bearing peripheries.
Further, comprise a plurality of first screws that are provided with equally spacedly along first circumference on the first gimbal panel, comprise a plurality of second screws that are provided with equally spacedly along second circumference on the second gimbal panel, wherein, first circumference and the coaxial same radius of second circumference, and the quantity of first screw and second screw is all identical with radius.
Further, the periphery of the first gimbal panel or the second gimbal panel is provided with the outward extending ring portion of along continuous straight runs, to form connecting portion, connecting portion is provided with the 3rd along the circumferential direction uniform screw to the external diameter of ring portion greater than the external diameter of the gimbal panel relative with it.
Further, the inboard of ball pivot seat is provided with the oil storage annular groove, and the arranged outside of ball pivot seat has the filler port that is communicated with and points to the center of ball pivot seat with the oil storage annular groove, is provided with the oiling plug screw in the described filler port.
Further, ball pivot portion along Boring mill to the cornerite radian greater than the ball pivot seat along Boring mill to the cornerite radian.
Further, be provided with telescopic dust protecting cap between the lower end of the articulated section of piston rod and cylinder body.
According to a further aspect in the invention, also provide a kind of engineering truck, be connected by above-mentioned oleo-pneumatic suspension mechanism between the vehicle frame of this project vehicle and the vehicle bridge.
The present invention has following beneficial effect:
Hanging oil cylinder links to each other with vehicle frame by the ball pivot seat that is arranged on the cylinder body middle part, with the last point of connection reduction of hanging oil cylinder, and then can reduce the car load height effectively, lowers the center of gravity, and increases whole vehicle stability; In addition, because hanging oil cylinder is installed in bottom of frame, but not the vehicle frame side, thereby can avoid because vehicle frame side and tire pitch deficiency cause installing the problem of hanging oil cylinder by actv..
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.With reference to figure, the present invention is further detailed explanation below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is existing oleo-pneumatic suspension cylinder structure scheme drawing;
Fig. 2 is the mounting structure scheme drawing of oleo-pneumatic suspension mechanism on vehicle of the preferred embodiment of the present invention;
Fig. 3 is the cylinder body cross-sectional view of the preferred embodiment of the present invention;
Fig. 4 is the hanging oil cylinder of the preferred embodiment of the present invention and the unitized construction scheme drawing of ball pivot seat;
Fig. 5 is the first half free bearings of the preferred embodiment of the present invention and the plan structure signal of first docking section;
Fig. 6 be the preferred embodiment of the present invention the second half free bearings, second docking section and connecting portion look up structural representation;
Fig. 7 is the cross-sectional view of the first half free bearings and the second half free bearings of the preferred embodiment of the present invention; And
Fig. 8 is the hanging oil cylinder pendulum angle scheme drawing of the preferred embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figures 2 and 3, according to an aspect of the present invention, provide a kind of oleo-pneumatic suspension mechanism, this oleo-pneumatic suspension mechanism comprises hanging oil cylinder, and the middle part of the cylinder body 11 of hanging oil cylinder has the 11a of ball pivot portion of protrusion spherical in shape.Correspondingly, the lower shoe 20 of vehicle frame is provided with ball pivot seat 30, the periphery of the inside face of this ball pivot seat 30 and the 11a of ball pivot portion is complementary, like this, ball pivot portion can be installed in the ball pivot seat 30 that the shape with the 11a of ball pivot portion adapts, so that the 11a of ball pivot portion and ball pivot seat 30 constitutes linkworks, and then to make cylinder body 11 be that supporting base can be swung with ball pivot seat 30.Ball pivot seat 30 is provided with and is used for the connecting portion that links to each other with the lower shoe 20 of vehicle frame; The external part of the piston rod 13 of hanging oil cylinder has and vehicle bridge 40 pivotally attached articulated section 13a.
Dismounting for the ease of ball pivot seat 30, ball pivot seat 30 can comprise the first half free bearings 31 and the second half free bearings 32 of mutual fastening, the connecting portion that is used for linking to each other with the lower shoe 20 of vehicle frame can be arranged on the first half free bearings 31, also can be arranged on the second half free bearings 32.
As shown in Figure 4, for the first half free bearings 31 and the second half free bearings 32 can be snapped together, and can adapt to impact in the vehicle ' process, be respectively arranged with first docking section 311 on the first half free bearings 31 and the second half free bearings 32 and 321, the first docking sections 311, second docking section are provided with the screw that is connected that cooperatively interacts with second docking section 321.When ball pivot seat 30 is installed, the first half free bearings 31 and the second half free bearings 32 are set on the 11a of ball pivot portion of cylinder body 11, then with cooperatively interacting on first docking section 311 and second docking section 321 be connected the screw alignment, utilize bolt that the first half free bearings 31 and the second half free bearings 32 are snapped together at last.
The first half free bearings 31 and the second half free bearings 32 can snap together by along continuous straight runs, also can vertically snap together.Preferably, the first half free bearings 31 and the second half free bearing 32 along continuous straight runs snap together, that is to say, the maximum cross-section coplane of the interface of the first half free bearings 31 and the second half free bearings 32 and the along continuous straight runs of the 11a of ball pivot portion, first docking section 311 is for being arranged at the first gimbal panel of the first half free bearing 31 peripheries, and second docking section 321 is for being arranged at the second gimbal panel of the second half free bearing 32 peripheries.That is to say that the first half free bearings 31 are passed down through from the upper end of cylinder body 11, the second half free bearings 32 are upward through from the lower end of cylinder body 11 with the first half free bearings 31 and fasten.
As shown in Figure 5 and Figure 6, for the first half free bearings 31 and the second half free bearings 32 can closely be fastened, and can bear various impacts in the vehicle ' process, can on first gimbal panel (first docking section 311) and the second gimbal panel (second docking section 321), many tapped bore to cooperatively interacting be set, carry out fastening with a plurality of bolts again.Preferably, can be provided with a plurality of first screws 313 equally spacedly at the first gimbal panel upper edge, first circumference, second circumference is provided with a plurality of second screws 323 equally spacedly in the second gimbal panel upper edge, wherein, the coaxial same radius of first circumference and second circumference, the quantity of first screw 313 and second screw 323 is all identical with radius.
In order to save installing space, simplify the structure of oleo-pneumatic suspension mechanism, the periphery of the first gimbal panel or the second gimbal panel is provided with the outward extending ring portion of along continuous straight runs, the external diameter of ring portion greater than the external diameter of the gimbal panel relative with it to form described connecting portion.Preferably, the connecting portion that is used for linking to each other with the lower shoe 20 of vehicle frame can be the 3rd gimbal panel 324 that radially outward stretches out along the second gimbal panel, and the external diameter of the 3rd gimbal panel 324 is greater than the external diameter of the first gimbal panel, so that the 3rd gimbal panel 324 can directly link to each other with the lower shoe 20 of vehicle frame, and the first gimbal panel can be clipped in the middle.A plurality of the 3rd screw 325, the three screws of along the circumferential direction equidistantly arranging 325 can be set on the 3rd gimbal panel 324 can be used to realize purpose that ball pivot seat 30 is linked to each other with the lower shoe 20 of vehicle frame.
In fact, the 3rd gimbal panel 324 and the second gimbal panel are the panel of one, do not have tangible demarcation line, but in order to distinguish, adopt dotted line that the 3rd gimbal panel 324 and the second gimbal panel area are separated among Fig. 6, only for the ease of understanding.
As shown in Figure 7, owing to can produce relative motion between the 11a of ball pivot portion of ball pivot seat 30 and cylinder body 11, in order to improve the lubricity between ball pivot seat 30 and the 11a of ball pivot portion, the inboard of ball pivot seat 30 is provided with oil storage annular groove 34, the arranged outside of ball pivot seat 30 has the filler port 35 that is communicated with and points to the center of ball pivot seat 30 with oil storage annular groove 34, and is provided with oiling plug screw 36 in the filler port 35.
When car load travels, there is relative motion between vehicle bridge 40 and the vehicle frame, therefore, the design of oil cylinder should be able to be satisfied the needs of this relative motion, that is to say, cylinder body 11 need decide according to the carrying capacity of car load design-calculated size and requirement with the amplitude of fluctuation of ball pivot seat 30 for a spot wobble, promptly will satisfy the car load requirement.
As shown in Figure 8, between cylinder body 11 in service and the first half free bearings 31 and the second half free bearings 32, interfere, the 11a of ball pivot portion along the axial cornerite radian of cylinder body 11 greater than ball pivot seat 30 along the axial cornerite radian of cylinder body 11.Also we can say, the two ends of the 11a of ball pivot portion are reserved with the reservation arc portion that is not covered by ball pivot seat 30, the arc length of reservation arc portion becomes big greatly with the change of the full swing angle of cylinder body 11, that is to say, can change the arc length of the reservation arc portion of the 11a of ball pivot portion according to the variation of the full swing angle of the cylinder body 11 of hanging oil cylinder.Changing an angle sees, (Φ 1 also can to utilize formula α≤min, Φ 2) represent, wherein, α is the maximum pendulum angle of hanging oil cylinder, angle Φ 1 and angle Φ 2 are respectively the pairing angle of reservation arc portion of the top and bottom of the 11a of ball pivot portion, if Φ 1, Φ 2 are less than the required maximum pendulum angle α of hanging oil cylinder, then should increase ball pivot seat 30 top and bottom reservation arc portion length (in other words, should reduce the cornerite arc length of the first half free bearings 31 and the second half free bearings 32, and also want to satisfy the force request of ball pivot seat 30 when reducing the cornerite arc length).
In order to prevent that dust from entering in the cylinder body 11 by the fore and aft motion with piston rod 13, telescopic, rubber-like dust protecting cap 50 can be set between the lower end of the articulated section of piston rod 13 13a and cylinder body 11.
According to another aspect of the present invention, also provide a kind of engineering truck, can connect by above-mentioned oleo-pneumatic suspension mechanism between the vehicle frame of this project vehicle and the vehicle bridge.The lower end of hanging oil cylinder and the connection mode of vehicle bridge are constant, and the point of connection of upper end moves to the midway location of oil cylinder.Oil cylinder adopts bolted connection with being connected of other parts, and after oil cylinder installed, the upper end can be hidden in the vehicle frame box house, saved the height on car load chassis.
Hanging oil cylinder can be arranged in the inside of vehicle frame casing, has effectively utilized the car load space, is beneficial to the layout of other parts, simultaneously owing in casing, can prevent the pollution of dust to oil cylinder to a certain extent.Cylinder pipe can be arranged from box house, makes car load more attractive in appearance.
When master layout, frame width adopts oil cylinder hitch provided by the invention the most suitable during greater than the width of vehicle bridge upper cylinder mounting bracket.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an oleo-pneumatic suspension mechanism is characterized in that, comprising:
Ball pivot seat (30) has Internal Spherical Surface and is used for connecting portion connected to ground;
Hanging oil cylinder is installed on the described ball pivot seat (30), and the middle part of the cylinder body of described hanging oil cylinder (11) has the ball pivot portion (11a) of protrusion spherical in shape, described ball pivot portion (11a) the formation linkwork that matches with the Internal Spherical Surface of described ball pivot seat (30).
2. oleo-pneumatic suspension according to claim 1 mechanism is characterized in that, the external part of the piston rod of described hanging oil cylinder (13) has and vehicle bridge (40) pivotally attached articulated section (13a).
3. oleo-pneumatic suspension according to claim 2 mechanism, it is characterized in that, described ball pivot seat (30) comprises the first half free bearings (31) and the second half free bearings (32) of mutual fastening, be respectively arranged with first docking section (311) and second docking section (321) on described the first half free bearings (31) and described the second half free bearings (32), described first docking section (311) is provided with the screw that is connected that cooperatively interacts with described second docking section (321).
4. oleo-pneumatic suspension according to claim 3 mechanism is characterized in that, described connecting portion is arranged on described the first half free bearings (31) or described the second half free bearings (32).
5. oleo-pneumatic suspension according to claim 4 mechanism, it is characterized in that, the maximum cross-section coplane of the interface of described the first half free bearings (31) and described the second half free bearings (32) and the along continuous straight runs of described ball pivot portion (11a), described first docking section (311) is for being arranged at the first gimbal panel of described the first half free bearing (31) peripheries, and described second docking section (321) is for being arranged at the second gimbal panel of described the second half free bearing (32) peripheries.
6. oleo-pneumatic suspension according to claim 5 mechanism, it is characterized in that, comprise a plurality of first screws (313) that are provided with equally spacedly along first circumference on the described first gimbal panel, comprise a plurality of second screws (323) that are provided with equally spacedly along second circumference on the described second gimbal panel, wherein, described first circumference and the coaxial same radius of described second circumference, and the quantity of described first screw (313) and described second screw (323) is all identical with radius.
7. oleo-pneumatic suspension according to claim 6 mechanism, it is characterized in that, the periphery of described first gimbal panel or the described second gimbal panel is provided with the outward extending ring portion of along continuous straight runs, to form described connecting portion, described connecting portion is provided with along the circumferential direction uniform the 3rd screw (325) to the external diameter of described ring portion greater than the external diameter of the gimbal panel relative with it.
8. according to each described oleo-pneumatic suspension mechanism in the claim 1 to 7, it is characterized in that, the inboard of described ball pivot seat (30) is provided with oil storage annular groove (34), the arranged outside of described ball pivot seat (30) has the filler port (35) that is communicated with and points to the center of described ball pivot seat (30) with described oil storage annular groove (34), is provided with oiling plug screw (36) in the described filler port (35).
9. oleo-pneumatic suspension according to claim 8 mechanism is characterized in that, described ball pivot portion (11a) along the axial cornerite radian of described cylinder body (11) greater than described ball pivot seat (30) along the axial cornerite radian of described cylinder body (11).
10. oleo-pneumatic suspension according to claim 8 mechanism is characterized in that, is provided with telescopic dust protecting cap (50) between the articulated section (13a) of the piston rod of described hanging oil cylinder (13) and the lower end of described cylinder body (11).
11. an engineering truck has vehicle frame and vehicle bridge, it is characterized in that, connects by each described oleo-pneumatic suspension mechanism in the claim 1 to 10 between described vehicle frame and the described vehicle bridge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110159432 CN102275481B (en) | 2011-06-14 | 2011-06-14 | Oil-gas suspension mechanism and engineering vehicle with suspension mechanism |
| PCT/CN2012/074207 WO2012171411A1 (en) | 2011-06-14 | 2012-04-17 | Oil-gas suspension mechanism and engineering vehicle with the suspension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110159432 CN102275481B (en) | 2011-06-14 | 2011-06-14 | Oil-gas suspension mechanism and engineering vehicle with suspension mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102275481A true CN102275481A (en) | 2011-12-14 |
| CN102275481B CN102275481B (en) | 2013-06-19 |
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ID=45101346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110159432 Active CN102275481B (en) | 2011-06-14 | 2011-06-14 | Oil-gas suspension mechanism and engineering vehicle with suspension mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102275481B (en) |
| WO (1) | WO2012171411A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555807A (en) * | 2012-03-26 | 2012-07-11 | 中联重科股份有限公司 | Engineering vehicle, and speed control system and speed control method for engineering vehicle |
| WO2012171411A1 (en) * | 2011-06-14 | 2012-12-20 | 湖南三一智能控制设备有限公司 | Oil-gas suspension mechanism and engineering vehicle with the suspension mechanism |
| CN104812596A (en) * | 2012-11-06 | 2015-07-29 | 斯堪尼亚商用车有限公司 | Mounting device for vehicle |
| CN104832495A (en) * | 2015-03-31 | 2015-08-12 | 徐州重型机械有限公司 | Suspension cylinder and crane |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612548A (en) * | 2013-12-08 | 2014-03-05 | 武汉天捷重型装备股份有限公司 | Hydro-pneumatic suspension mechanism for engineering vehicle |
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| GB599410A (en) * | 1945-10-11 | 1948-03-11 | Percy Burgess | Improvements relating to vehicle suspension means |
| DE4328319A1 (en) * | 1993-08-23 | 1995-03-02 | Hemscheidt Maschf Hermann | Cylinder-piston unit for a hydropneumatic suspension |
| CN2501759Y (en) * | 2001-07-31 | 2002-07-24 | 同济大学 | Oil hydraulic absorber for spherical hinge siding passing type locomotive vehicle |
| CN202186256U (en) * | 2011-06-14 | 2012-04-11 | 三一汽车起重机械有限公司 | Oil gas suspension mechanism and engineering truck comprising same |
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| DE3716819A1 (en) * | 1986-05-27 | 1987-12-03 | Volkswagen Ag | Telescopic Shock Absorber for Vehicles, especially telescopic shock absorber of a shock-absorber or spring strut |
| US4718780A (en) * | 1986-09-02 | 1988-01-12 | O & S Manufacturing Company | Sealed compound bearing and method for making the same |
| CN2489997Y (en) * | 2001-07-11 | 2002-05-08 | 株洲庆云电力机车配件工厂 | Coupler for oleo-gear of electric locomotive |
| JP3917955B2 (en) * | 2003-06-26 | 2007-05-23 | 石川島芝浦機械株式会社 | Cylinder mounting structure |
| CN102275481B (en) * | 2011-06-14 | 2013-06-19 | 三一汽车起重机械有限公司 | Oil-gas suspension mechanism and engineering vehicle with suspension mechanism |
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2011
- 2011-06-14 CN CN 201110159432 patent/CN102275481B/en active Active
-
2012
- 2012-04-17 WO PCT/CN2012/074207 patent/WO2012171411A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599410A (en) * | 1945-10-11 | 1948-03-11 | Percy Burgess | Improvements relating to vehicle suspension means |
| DE4328319A1 (en) * | 1993-08-23 | 1995-03-02 | Hemscheidt Maschf Hermann | Cylinder-piston unit for a hydropneumatic suspension |
| CN2501759Y (en) * | 2001-07-31 | 2002-07-24 | 同济大学 | Oil hydraulic absorber for spherical hinge siding passing type locomotive vehicle |
| CN202186256U (en) * | 2011-06-14 | 2012-04-11 | 三一汽车起重机械有限公司 | Oil gas suspension mechanism and engineering truck comprising same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171411A1 (en) * | 2011-06-14 | 2012-12-20 | 湖南三一智能控制设备有限公司 | Oil-gas suspension mechanism and engineering vehicle with the suspension mechanism |
| CN102555807A (en) * | 2012-03-26 | 2012-07-11 | 中联重科股份有限公司 | Engineering vehicle, and speed control system and speed control method for engineering vehicle |
| CN102555807B (en) * | 2012-03-26 | 2014-09-03 | 中联重科股份有限公司 | Engineering vehicle, and speed control system and speed control method for engineering vehicle |
| CN104812596A (en) * | 2012-11-06 | 2015-07-29 | 斯堪尼亚商用车有限公司 | Mounting device for vehicle |
| CN104832495A (en) * | 2015-03-31 | 2015-08-12 | 徐州重型机械有限公司 | Suspension cylinder and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012171411A1 (en) | 2012-12-20 |
| CN102275481B (en) | 2013-06-19 |
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