CN112248736B - Air spring suspension system - Google Patents
Air spring suspension system Download PDFInfo
- Publication number
- CN112248736B CN112248736B CN202011150708.7A CN202011150708A CN112248736B CN 112248736 B CN112248736 B CN 112248736B CN 202011150708 A CN202011150708 A CN 202011150708A CN 112248736 B CN112248736 B CN 112248736B
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- Prior art keywords
- air
- elastic part
- pipe
- air bag
- sealing ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
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- 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
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an air spring suspension system which comprises an air storage cylinder, an air inlet pipe, a support, an auxiliary elastic part, a height adjusting valve, a main elastic part, a shock absorber, a guide arm, an air bag, an exhaust pipe, an air delivery pipe, an air energy storage cylinder, a first sliding rod, a first sealing ring, a first air guide pipe, a one-way valve, a second sliding rod, a second sealing ring, an air guide hopper, a second air guide pipe, a telescopic column, a connecting rod, an air storage bag, a sliding plate and a telescopic rod. The invention can better buffer the folding of the air bag, effectively solves the problem that the air bag is easy to fold when the air spring suspension system jolts in bad road conditions, reduces the abnormal damage of the air bag, improves the practical service life of the air bag and the safety of vehicle operation, simultaneously improves the working efficiency, also enhances the practicability, and simultaneously leads the main elastic part and the auxiliary elastic part to support and absorb shock when the guide arm swings.
Description
Technical Field
The invention relates to a spring suspension system, in particular to an air spring suspension system, and belongs to the technical field of semitrailers.
Background
Along with the national requirement for safety performance of hazardous chemical substance transport vehicles, the air spring suspension system is forcibly applied to the hazardous chemical substance transport vehicles, the air spring suspension is good in buffering effect, smoothness of the vehicles can be improved, service life of the vehicles is prolonged, influence of road conditions is caused, air bag folding phenomenon easily occurs when the air spring suspension system jolts and runs under severe road conditions, and practical service life of the air bags is seriously influenced. Accordingly, an air spring suspension system has been proposed to address the above-mentioned problems.
Disclosure of Invention
It is an object of the present invention to provide an air spring suspension system that solves the above problems.
The invention achieves the aim through the following technical scheme that the air spring suspension system comprises an air storage cylinder, a bracket, a height adjusting valve, an air airbag and an air energy storage cylinder, the air storage cylinder, the bracket, the height adjusting valve, the air bag and the air energy storage cylinder are sequentially arranged on the frame of the semitrailer from left to right, the inner cavity of the air storage cylinder is communicated with the inner cavity of the air airbag through an air inlet pipe arranged on the surface of the air storage cylinder, a horizontally arranged telescopic rod is arranged on the inner side wall of the air energy storage cylinder, a sliding plate is fixedly connected with the telescopic rod, the sliding plate is in sliding fit with the inner side wall of the air energy storage cylinder, one end of the sliding plate is provided with an air storage bag, the air storage air bag is connected with an exhaust pipe and an air delivery pipe which are arranged on the surface of the air bag, the exhaust pipe is fixedly connected with a first air guide pipe which is horizontally arranged through a mounting ring arranged on the inner side wall of the exhaust pipe, the surface of the first air duct is provided with a one-way valve, the inner side of the exhaust pipe is provided with a first blocking component for blocking the first air duct, the air delivery pipe is provided with a horizontally arranged second air duct through a security turn ring arranged on the inner side wall of the air delivery pipe, one end of the second air duct is fixedly connected with an air duct hopper, the inner side of the air duct is provided with a second blocking component for blocking the second air duct, a horizontal adjusting component for driving the first blocking component and the second blocking component to move in the horizontal direction is arranged in the inner cavity of the air bag, a shock absorber and a guide arm are sequentially hinged on the side wall of the bracket from top to bottom, one end of the shock absorber is connected with an axle of the semitrailer, the other end of the guide arm is hinged with an air bag, and the guiding arm interlude is connected with the semitrailer axle, install the supporting component who carries out auxiliary stay to the guiding arm on the support lateral wall.
Preferably, the horizontal adjusting assembly comprises the telescopic column and two connecting rods which are vertically arranged, the telescopic column is installed at the top end of the inner side of the air bag, the telescopic end of the telescopic column is connected with the bottom end of the inner side of the air bag, and the connecting rods are hinged to the telescopic column.
Preferably, the first blocking assembly comprises a first sliding rod and a first sealing ring, the first sliding rod is connected with a sliding block which is in sliding fit with the inner wall of the exhaust pipe in a sliding fit manner, one end of the first sliding rod is hinged to one end of the connecting rod, the first sealing ring is installed at one end of the first sliding rod and connected with one end of the connecting rod, and the diameter of the first sealing ring is equal to the inner diameter of the first air guide pipe.
Preferably, the second blocking assembly comprises a second sliding rod and a second sealing ring, the second sliding rod is connected with a sliding block which is in sliding fit with the inner wall of the gas pipe in a sliding fit manner, one end of the second sliding rod is hinged to one end of the connecting rod, the second sealing ring is installed at one end of the second sliding rod and connected with one end of the second sliding rod, and the diameter of the second sealing ring is equal to the inner diameter of the second gas pipe.
Preferably, the supporting component comprises a main elastic part and an auxiliary elastic part, the main elastic part is hinged to a frame of the semitrailer, the telescopic end of the main elastic part is hinged to the guide arm, the auxiliary elastic part is hinged to the support, and the telescopic end of the auxiliary elastic part is hinged to the telescopic end of the main elastic part.
Preferably, the telescopic column and the telescopic rod are both composed of two sleeves and a return spring, and the two sleeves are elastically connected through the return spring.
Preferably, the main elastic part and the auxiliary elastic part are both composed of two sleeves and a supporting spring, and the two sleeves are elastically connected through the supporting spring.
The invention has the beneficial effects that:
the telescopic column drives the first sliding rod and the second sliding rod to move rightwards through the connecting rod, the first sliding rod drives the first sealing ring to move rightwards and contact with the inner wall of the first air guide pipe, so that the first sealing ring blocks the first air guide pipe, the second sliding rod drives the second sealing ring to move rightwards and contact with the inner wall of the second air guide pipe, so that the second sealing ring blocks the second air guide pipe, the second sealing ring moves while conveying the gas in the air airbag into the air storage airbag through the air conveying pipe, and when the second sealing ring moves to the inner side of the air guide hopper, the gas conveying speed of the gas in the air airbag into the air storage airbag through the air conveying pipe is slowed down, thereby cushion the air bag, when being stretched rapidly behind the air bag, make first slide bar and second slide bar drive first sealing washer and second sealing washer and reset, make the gas in the gas storage gasbag pass through blast pipe and gas transmission pipe guide air bag under the effect of telescopic link with higher speed simultaneously in, so can be better to folding buffering at the air bag, effectively solve the easy folding problem of air spring suspension system gasbag when abominable road conditions jolt, reduce the unusual damage of gasbag, promote the practicality of gasbag and vehicle operation's security and also improve work efficiency simultaneously, the practicality has also been strengthened simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a cross-sectional connection of the exhaust pipe according to the present invention;
FIG. 3 is a schematic view showing a cross-sectional view of the gas pipe connection according to the present invention;
FIG. 4 is a schematic view of the connection structure of the air bladder and the air accumulator according to the present invention.
In the figure: 1. the air storage cylinder comprises an air storage cylinder, 2, an air inlet pipe, 3, a support, 4, an auxiliary elastic part, 5, a height adjusting valve, 6, a main elastic part, 7, a shock absorber, 8, a guide arm, 9, an air bag, 10, an exhaust pipe, 11, an air pipe, 12, an air energy storage cylinder, 13, a first sliding rod, 14, a first sealing ring, 15, a first air guide pipe, 16, a one-way valve, 17, a second sliding rod, 18, a second sealing ring, 19, an air guide hopper, 20, a second air guide pipe, 21, a telescopic column, 22, a connecting rod, 23, an air storage bag, 24, a sliding plate, 25 and a telescopic rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, an air spring suspension system includes an air storage cylinder 1, a bracket 3, a height adjustment valve, an air bag 9 and an air energy storage cylinder 12, and is characterized in that: the air storage cylinder 1, the bracket 3, the height adjusting valve, the air bag 9 and the air energy storage cylinder 12 are sequentially arranged on the frame of the semi-trailer from left to right, the inner cavity of the air storage cylinder 1 is communicated with the inner cavity of the air airbag 9 through an air inlet pipe 2 arranged on the surface of the air storage cylinder 1, a horizontally arranged telescopic rod 25 is arranged on the inner side wall of the air energy storage cylinder 12, a sliding plate 24 is fixedly connected with the telescopic rod 25, and the slide plate 24 is in sliding fit with the inner side wall of the air energy storage cylinder 12, one end of the slide plate 24 is provided with an air storage air bag 23, and the air storage bag 23 is connected with the exhaust pipe 10 and the air delivery pipe 11 which are arranged on the surface of the air bag 9, the exhaust pipe 10 is fixedly connected with a horizontally arranged first air duct 15 through a mounting ring arranged on the inner side wall of the exhaust pipe 10, the surface of the first air duct 15 is provided with a one-way valve 16, the inner side of the exhaust pipe 10 is provided with a first blocking component for blocking the first air duct 15, the air delivery pipe 11 is provided with a horizontally arranged second air duct 20 through an installation ring arranged on the inner side wall of the air delivery pipe 11, one end of the second air duct 20 is fixedly connected with an air guide hopper 19, a second blocking component for blocking the second air duct 20 is arranged at the inner side of the air duct 11, a horizontal adjusting component which drives the first blocking component and the second blocking component to move in the horizontal direction is arranged in the inner cavity of the air bag 9, a shock absorber 7 and a guide arm 8 are sequentially hinged on the side wall of the bracket 3 from top to bottom, one end of the shock absorber 7 is connected with an axle of the semitrailer, the other end of the guide arm 8 is hinged with an air bag 9, and 8 interlude of guiding arm and semitrailer axle connection, install on the 3 lateral walls of support and carry out the supporting component of auxiliary stay to guiding arm 8.
The horizontal adjusting assembly consists of a telescopic column 21 and two connecting rods 22 which are vertically arranged, the telescopic column 21 is arranged at the top end of the inner side of the air bag 9, the telescopic end of the telescopic column 21 is connected with the bottom end of the inner side of the air bag 9, and the two connecting rods 22 are hinged on the telescopic column 21; the first blocking assembly consists of a first sliding rod 13 and a first sealing ring 14, the first sliding rod 13 is connected with a sliding block which is in sliding fit with the inner wall of the exhaust pipe 10 in a sliding fit manner, one end of the first sliding rod 13 is hinged with one end of a connecting rod 22, the first sealing ring 14 is installed at one end of the first sliding rod 13 and connected, the diameter of the first sealing ring 14 is equal to the inner diameter of the first air duct 15, and the first sealing ring 14 can better seal the second air duct 15; the second blocking assembly consists of a second sliding rod 17 and a second sealing ring 18, the second sliding rod 17 is connected with a sliding block which is in sliding fit with the inner wall of the gas conveying pipe 11 in a sliding fit manner, one end of the second sliding rod 17 is hinged with one end of a connecting rod 22, the second sealing ring 18 is installed at one end of the second sliding rod 17 and connected, the diameter of the second sealing ring 18 is equal to the inner diameter of the second gas guide pipe 20, and the second sealing ring 18 can better seal the second gas guide pipe 20; the support assembly consists of a main elastic part 6 and an auxiliary elastic part 4, the main elastic part 6 is hinged on a frame of the semitrailer, the telescopic end of the main elastic part 6 is hinged with the guide arm 8, the auxiliary elastic part 4 is hinged on the bracket 3, and the telescopic end of the auxiliary elastic part 4 is hinged with the telescopic end of the main elastic part 6; the telescopic column 21 and the telescopic rod 25 are both composed of two sleeves and a return spring, and the two sleeves are elastically connected through the return spring; main elastic component 6 and vice elastic component 4 constitute by two sleeves and supporting spring, and two sleeves pass through supporting spring elastic connection, thereby the better messenger of being convenient for supports the shock attenuation when the guide arm 8 swings to main elastic component 6 and vice elastic component 4 production elasticity.
When the invention is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, when the guide arm 8 drives the air bag 9 to contract inwards, the air bag 9 compresses the telescopic column 21, the telescopic column 21 drives the first sliding rod 13 and the second sliding rod 17 to move rightwards through the connecting rod 22, the first sliding rod 13 drives the first sealing ring 14 to move rightwards and contact with the inner wall of the first air duct 15, so that the first sealing ring 14 blocks the first air duct 15, and simultaneously, the second sliding rod 17 drives the second sealing ring 18 to move rightwards and contact with the inner wall of the second air duct 20, so that the second sealing ring 18 blocks the second air duct 20, meanwhile, the second sealing ring 18 moves and simultaneously enables the gas in the air airbag 9 to be conveyed into the air storage airbag 23 through the gas conveying pipe 11, when the second sealing ring 18 moves to the inner side of the gas guide hopper 19, the gas conveying speed of the gas in the air airbag 9 conveyed into the air storage airbag 23 through the gas conveying pipe 11 starts to be reduced, the air airbag 9 is buffered, when the air airbag 9 is rapidly stretched, the first sliding rod 13 and the second sliding rod 17 drive the first sealing ring 14 and the second sealing ring 18 to reset, meanwhile, the gas in the air storage airbag 23 is accelerated to be guided into the air airbag 9 through the exhaust pipe 10 and the gas conveying pipe 11 under the action of the telescopic rod 25, and meanwhile, the main elastic piece 6 and the auxiliary elastic piece 4 are enabled to support and absorb shock when the guide arm 8 swings.
It is fully within the purview of one skilled in the art to make the invention, including the circuits and electronic components and modules, known in the art, and without undue experimentation, the invention is not limited to software and process modifications.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides an air spring suspension system, includes air receiver (1), support (3), height control valve, air bag (9) and air energy storage section of thick bamboo (12), its characterized in that: the air storage cylinder (1), the support (3), the height adjusting valve, the air bag (9) and the air energy storage cylinder (12) are sequentially installed on a frame of a semitrailer from left to right, an inner cavity of the air storage cylinder (1) is communicated with an inner cavity of the air bag (9) through an air inlet pipe (2) installed on the surface of the air storage cylinder (1), a telescopic rod (25) horizontally arranged is installed on the inner side wall of the air energy storage cylinder (12), a sliding plate (24) is fixedly connected with the telescopic rod (25), the sliding plate (24) is in sliding fit with the inner side wall of the air energy storage cylinder (12), the air bag (23) is installed at one end of the sliding plate (24), the air bag (23) is connected with an exhaust pipe (10) and an air pipe (11) installed on the surface of the air bag (9), the exhaust pipe (10) is fixedly connected with a first air guide pipe (15) horizontally arranged through an installation ring installed on the inner side wall of the exhaust pipe (10), a check valve (16) is installed on the surface of the first air guide pipe (15), a first blocking component for blocking the first air guide pipe (10) is installed on the inner side wall of the air guide pipe (11), a second air guide pipe (20) horizontally arranged on the inner side wall of a second air guide pipe (19) installed on the air guide pipe (11), a second blocking component for blocking a second air duct (20) is installed on the inner side of the air conveying pipe (11), a horizontal adjusting component for driving the first blocking component and the second blocking component to move in the horizontal direction is installed in the inner cavity of the air bag (9), a shock absorber (7) and a guide arm (8) are sequentially hinged to the side wall of the support (3) from top to bottom, one end of the shock absorber (7) is connected with an axle of a semitrailer, the other end of the guide arm (8) is hinged to the air bag (9), the middle section of the guide arm (8) is connected with the axle of the semitrailer, and a supporting component for supporting the guide arm (8) in an auxiliary mode is installed on the side wall of the support (3); the horizontal adjusting assembly consists of a telescopic column (21) and two connecting rods (22), the telescopic column (21) is vertically arranged on the top end of the inner side of the air bag (9), the telescopic end of the telescopic column (21) is connected with the bottom end of the inner side of the air bag (9), and the two connecting rods (22) are hinged to the telescopic column (21); the first blocking assembly is composed of a first sliding rod (13) and a first sealing ring (14), the first sliding rod (13) is connected with a sliding block which is in sliding fit with the inner wall of the exhaust pipe (10) in a sliding fit mode, one end of the first sliding rod (13) is hinged to one end of a connecting rod (22), the first sealing ring (14) is installed at one end of the first sliding rod (13) and connected with one end of the first sealing ring (14), and the diameter of the first sealing ring (14) is equal to the inner diameter of the first air guide pipe (15); the second blocking assembly consists of a second sliding rod (17) and a second sealing ring (18), the second sliding rod (17) is connected with a sliding block which is in sliding fit with the inner wall of the gas conveying pipe (11) in a sliding fit manner, one end of the second sliding rod (17) is hinged with one end of a connecting rod (22), the second sealing ring (18) is installed at one end of the second sliding rod (17) and connected, and the diameter of the second sealing ring (18) is equal to the inner diameter of the second gas guide pipe (20); the support assembly is composed of a main elastic part (6) and an auxiliary elastic part (4), the main elastic part (6) is hinged to a frame of the semitrailer, the telescopic end of the main elastic part (6) is hinged to the guide arm (8), the auxiliary elastic part (4) is hinged to the support (3), and the telescopic end of the auxiliary elastic part (4) is hinged to the telescopic end of the main elastic part (6).
2. An air spring suspension system according to claim 1, wherein: the telescopic column (21) and the telescopic rod (25) are composed of two sleeves and a return spring, and the two sleeves are elastically connected through the return spring.
3. An air spring suspension system according to claim 1, wherein: the main elastic part (6) and the auxiliary elastic part (4) are composed of two sleeves and supporting springs, and the two sleeves are elastically connected through the supporting springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150708.7A CN112248736B (en) | 2020-10-24 | 2020-10-24 | Air spring suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150708.7A CN112248736B (en) | 2020-10-24 | 2020-10-24 | Air spring suspension system |
Publications (2)
| Publication Number | Publication Date |
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| CN112248736A CN112248736A (en) | 2021-01-22 |
| CN112248736B true CN112248736B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011150708.7A Active CN112248736B (en) | 2020-10-24 | 2020-10-24 | Air spring suspension system |
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| CN (1) | CN112248736B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173046B (en) * | 2021-05-18 | 2022-10-28 | 贵州詹阳动力重工有限公司 | Horizontal adjusting device and wheeled multi-purpose machineshop car |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5346246A (en) * | 1992-11-23 | 1994-09-13 | Load-Air, Inc. | Automatic air bag suspension control system |
| CA2272830A1 (en) * | 1997-09-17 | 2000-11-26 | Contitech Luftfedersysteme Gmbh | Air spring system |
| JP2001163219A (en) * | 1999-12-10 | 2001-06-19 | Sumitomo Metal Ind Ltd | Air spring device for rolling stock |
| CN102392868A (en) * | 2011-07-17 | 2012-03-28 | 贺劼 | Composite air spring with built-in spiral spring plus filled liquid and auxiliary air chamber |
| CN109808436A (en) * | 2019-02-14 | 2019-05-28 | 浙江科力车辆控制系统有限公司 | Vehicular air suspension |
| CN211166303U (en) * | 2019-12-13 | 2020-08-04 | 山东宏凯机械配件制造有限公司 | Vehicle body height adjusting device for trailer axle |
| CN111806181A (en) * | 2020-07-06 | 2020-10-23 | 汪轩锚 | Air bag suspension structure of semitrailer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013110645A1 (en) * | 2013-09-26 | 2015-03-26 | Contitech Luftfedersysteme Gmbh | Air suspension with integrated height control |
-
2020
- 2020-10-24 CN CN202011150708.7A patent/CN112248736B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5346246A (en) * | 1992-11-23 | 1994-09-13 | Load-Air, Inc. | Automatic air bag suspension control system |
| CA2272830A1 (en) * | 1997-09-17 | 2000-11-26 | Contitech Luftfedersysteme Gmbh | Air spring system |
| JP2001163219A (en) * | 1999-12-10 | 2001-06-19 | Sumitomo Metal Ind Ltd | Air spring device for rolling stock |
| CN102392868A (en) * | 2011-07-17 | 2012-03-28 | 贺劼 | Composite air spring with built-in spiral spring plus filled liquid and auxiliary air chamber |
| CN109808436A (en) * | 2019-02-14 | 2019-05-28 | 浙江科力车辆控制系统有限公司 | Vehicular air suspension |
| CN211166303U (en) * | 2019-12-13 | 2020-08-04 | 山东宏凯机械配件制造有限公司 | Vehicle body height adjusting device for trailer axle |
| CN111806181A (en) * | 2020-07-06 | 2020-10-23 | 汪轩锚 | Air bag suspension structure of semitrailer |
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| CN112248736A (en) | 2021-01-22 |
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Denomination of invention: An air spring suspension system Effective date of registration: 20230626 Granted publication date: 20230314 Pledgee: Wuhu wanshe sub branch of Huishang Bank Co.,Ltd. Pledgor: Anhui sinor logistics equipment Co.,Ltd. Registration number: Y2023980045671 |
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