CN204055215U - A kind of double leval jib two bladder air draft hitch - Google Patents
A kind of double leval jib two bladder air draft hitch Download PDFInfo
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- CN204055215U CN204055215U CN201420478574.5U CN201420478574U CN204055215U CN 204055215 U CN204055215 U CN 204055215U CN 201420478574 U CN201420478574 U CN 201420478574U CN 204055215 U CN204055215 U CN 204055215U
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- chassis side
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- swing arm
- side rail
- lower swing
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Abstract
This double leval jib two bladder air draft hitch, comprise two chassis side raiies be parallel to each other, cross member of frame that two ends are connected to two chassis side rail head ends, lower swing arm support below chassis side rail front end is installed, two ends are individually fixed in below two chassis side raiies and the vehicle bridge vertical with two chassis side raiies, two ends are rotated respectively by bearing pin and are installed on lower swing arm in lower swing arm support and vehicle bridge and lower support of shock absorber, two air bags and two damping limiting devices, described air bag upper end and chassis side rail are connected and fixed, and its lower end and lower bracket are fixed.Two propelling rods achieve separate being connected and fixed by propelling rod front frame and installation backing plate, the transmission of the stressed rear power made is more uniform, thus avoid adopt longitudinal rod add lateral rod structure after being connected and fixed after be subject to larger side to very easily cause cross member of frame to destroy during power operating mode situation generation.
Description
Technical field
The utility model relates to automotive suspension technical field, is specifically related to a kind of air suspension apparatus.
Background technology
Along with China's expanding economy, the automobile of passenger vehicle and special purpose is had higher requirement to road-holding property, traveling comfort, ride comfort, safety, and this creates very large facilitation to domestic air suspension market.In addition, the research of heavy motor vehicle road pavement mechanism of fracture and understanding are deepened further, government the factor such as to be paid much attention to the attention of Highway Maintenance, restriction various places at home of overloading, and the application of air suspension in heavy goods vehicles market also will be expanded further.At present, for the double leval jib two bladder air suspension that wide body frame structure for automotive mates, for upper thrust rod arrangement, the no matter domestic or most of employing longitudinal rod+lateral rod structure of import, in this structure, lateral rod connects vehicle bridge and chassis side rail, destroy to very easily causing crossbeam during power operating mode at larger side, extreme influence is caused to the reliability of air suspension and even car load.
Summary of the invention
The utility model, in order to overcome the deficiency of above technology, provides a kind of connection reliable, the double leval jib two bladder air draft hitch of reasonable stress.
The utility model overcomes the technical scheme that its technical matters adopts:
This double leval jib two bladder air draft hitch, comprise two chassis side raiies be parallel to each other, two ends are connected to the cross member of frame of two chassis side rail head ends, lower swing arm support below chassis side rail front end is installed, two ends are individually fixed in vehicle bridge below two chassis side raiies and vertical with two chassis side raiies, the lower swing arm and lower support of shock absorber that are installed in lower swing arm support and vehicle bridge are rotated in two ends respectively by bearing pin, two air bags and two damping limiting devices, described air bag upper end and chassis side rail are connected and fixed, its lower end and lower bracket are fixed, described damping limiting device upper end is fixed on chassis side rail by damping limiting device upper bracket, its lower end is hinged to be fixed on lower swing arm and lower support of shock absorber, two air bag lower ends are connected and fixed by reversing crossbeam, two chassis side raiies and cross member of frame connecting portion are respectively arranged with propelling rod front frame, two propelling rod head ends arranged that are mutually in the shape of the letter V are installed on propelling rod front frame by axis of rotation, its tail end is installed on by axis of rotation to be installed on backing plate, described installation backing plate is fixed in vehicle bridge, described propelling rod, lower swing arm support, lower swing arm and form four-bar linkage structure between lower support of shock absorber and vehicle bridge.
In order to install facility, some mounting holes that above-mentioned installation backing plate comprises the plate body in W shape and is arranged on plate body, described plate body front end forms groove I and groove II respectively, the plate body of described groove I and groove II both sides is respectively arranged with screw, the tail end of described two propelling rods lays respectively in groove I and groove II, and the rotating shaft of its tail end utilizes threaded fasteners to be fixed in screw.
In order to reduce weight, above-mentioned plate body is provided with lightening hole.
The beneficial effects of the utility model are: two propelling rods achieve separate being connected and fixed by propelling rod front frame and installation backing plate, the transmission of the stressed rear power made is more uniform, thus avoid adopt longitudinal rod add lateral rod structure after being connected and fixed after be subject to larger side to very easily cause cross member of frame to destroy during power operating mode situation generation.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is that B in Fig. 1 is to structural representation;
Fig. 3 is plan structure schematic diagram of the present utility model;
Fig. 4 is mounting mat plate structure schematic diagram;
In figure, 1. chassis side rail 2. cross member of frame 3. lower swing arm support 4. lower swing arm and lower support of shock absorber 5. air bag 6. damping limiting device 7. damping limiting device upper bracket 8. vehicle bridge 9. propelling rod 10. propelling rod front frame 11. are installed backing plate 111. plate body 112. groove I 113. groove II 114. screw 115. mounting hole 116. lightening hole 12. and are reversed crossbeam.
Detailed description of the invention
Be described further below in conjunction with accompanying drawing 1 to accompanying drawing 4 pairs of the utility model.
This double leval jib two bladder air draft hitch, comprise two chassis side raiies be parallel to each other 1, two ends are connected to the cross member of frame 2 of two chassis side rail 1 head ends, lower swing arm support 3 below chassis side rail 1 front end is installed, two ends are individually fixed in vehicle bridge 8 below two chassis side raiies 1 and vertical with two chassis side raiies 1, the lower swing arm and lower support of shock absorber 4 that are installed in lower swing arm support 3 and vehicle bridge 8 are rotated in two ends respectively by bearing pin, two air bags 5 and two damping limiting devices 6, air bag 5 upper end and chassis side rail 1 are connected and fixed, its lower end and lower bracket 4 are fixed, damping limiting device 6 upper end is fixed on chassis side rail 1 by damping limiting device upper bracket 7, its lower end is hinged to be fixed on lower swing arm and lower support of shock absorber 4, two air bag 5 lower ends are connected and fixed by reversing crossbeam 12, two chassis side raiies 1 are respectively arranged with propelling rod front frame 10 with cross member of frame 2 connecting portion, two propelling rod 9 head ends arranged that are mutually in the shape of the letter V are installed on propelling rod front frame 10 by axis of rotation, its tail end is installed on by axis of rotation to be installed on backing plate 11, installing backing plate 11 is fixed in vehicle bridge 8, propelling rod 9, lower swing arm support 3, lower swing arm and form four-bar linkage structure between lower support of shock absorber 4 and vehicle bridge 8, the four-bar linkage structure formed is high by force intensity, improve the reliability of use, and two propelling rods 9 achieve separate being connected and fixed by propelling rod front frame 10 and installation backing plate 11, the transmission of the stressed rear power made is more uniform, thus avoid adopt longitudinal rod add lateral rod structure after being connected and fixed after be subject to larger side to very easily cause cross member of frame 2 to destroy during power operating mode situation generation.
Some mounting holes 115 that backing plate 11 comprises the plate body 111 in W shape and is arranged on plate body 111 are installed, plate body 111 front end forms groove I 112 and groove II 113 respectively, the plate body 111 of groove I 112 and groove II 113 both sides is respectively arranged with screw 114, the tail end of two propelling rods 9 lays respectively in groove I 112 and groove II 113, and the rotating shaft of its tail end utilizes threaded fasteners to be fixed in screw 114.Plate body 111 force structure of W shape is good, meets independent installation two propelling rods 9 by groove I 112 and groove II 113.Utilizing threaded fasteners to be fixed to the correct position of vehicle bridge 8 by mounting hole 115 plate body 111 after installing propelling rod 9, thus relatively integrated propelling rod 9 designs requirement on machining accuracy reduction, thus reduce manufacturing cost, and simply easy for installation.Plate body 111 is provided with lightening hole 116.The weight of plate body 111 can be reduced by arranging lightening hole 116, therefore meeting the designer trends of modern vehicle loss of weight, and reducing manufacturing cost.
Claims (3)
1. a double leval jib two bladder air draft hitch, it is characterized in that: comprise two chassis side raiies be parallel to each other (1), two ends are connected to the cross member of frame (2) of two chassis side rail (1) head ends, lower swing arm support (3) below chassis side rail (1) front end is installed, two ends are individually fixed in two chassis side rail (1) belows and the vehicle bridge (8) vertical with two chassis side raiies (1), the lower swing arm and lower support of shock absorber (4) that are installed in lower swing arm support (3) and vehicle bridge (8) are rotated in two ends respectively by bearing pin, two air bags (5) and two damping limiting devices (6), described air bag (5) upper end and chassis side rail (1) are connected and fixed, its lower end and lower bracket (4) are fixed, described damping limiting device (6) upper end is fixed on chassis side rail (1) by damping limiting device upper bracket (7), its lower end is hinged to be fixed on lower swing arm and lower support of shock absorber (4), two air bag (5) lower ends are connected and fixed by reversing crossbeam (12), two chassis side raiies (1) are respectively arranged with propelling rod front frame (10) with cross member of frame (2) connecting portion, two propelling rod (9) head ends arranged that are mutually in the shape of the letter V are installed on propelling rod front frame (10) by axis of rotation, its tail end is installed on by axis of rotation to be installed on backing plate (11), described installation backing plate (11) is fixed in vehicle bridge (8), described propelling rod (9), lower swing arm support (3), lower swing arm and form four-bar linkage structure between lower support of shock absorber (4) and vehicle bridge (8).
2. double leval jib two bladder air draft hitch according to claim 1, it is characterized in that: some mounting holes (115) that described installation backing plate (11) comprises the plate body (111) in W shape and is arranged on plate body (111), described plate body (111) front end forms groove I (112) and groove II (113) respectively, the plate body (111) of described groove I (112) and groove II (113) both sides is respectively arranged with screw (114), the tail end of described two propelling rods (9) lays respectively in groove I (112) and groove II (113), the rotating shaft of its tail end utilizes threaded fasteners to be fixed in screw (114).
3. double leval jib two bladder air draft hitch according to claim 2, is characterized in that: described plate body (111) is provided with lightening hole (116).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420478574.5U CN204055215U (en) | 2014-08-25 | 2014-08-25 | A kind of double leval jib two bladder air draft hitch |
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CN201420478574.5U CN204055215U (en) | 2014-08-25 | 2014-08-25 | A kind of double leval jib two bladder air draft hitch |
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CN204055215U true CN204055215U (en) | 2014-12-31 |
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CN201420478574.5U Active CN204055215U (en) | 2014-08-25 | 2014-08-25 | A kind of double leval jib two bladder air draft hitch |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104149571A (en) * | 2014-08-25 | 2014-11-19 | 中国重汽集团济南动力有限公司 | Four-bar and double-air bag air suspension device |
CN107891722A (en) * | 2017-11-03 | 2018-04-10 | 艾迪森诺亚移动医院智能装备江苏有限公司 | A kind of antitorque damping adaptive equalization system |
CN111845242A (en) * | 2020-07-09 | 2020-10-30 | 安徽工程大学 | Suspension of dump truck |
-
2014
- 2014-08-25 CN CN201420478574.5U patent/CN204055215U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104149571A (en) * | 2014-08-25 | 2014-11-19 | 中国重汽集团济南动力有限公司 | Four-bar and double-air bag air suspension device |
CN107891722A (en) * | 2017-11-03 | 2018-04-10 | 艾迪森诺亚移动医院智能装备江苏有限公司 | A kind of antitorque damping adaptive equalization system |
CN107891722B (en) * | 2017-11-03 | 2023-11-21 | 艾迪森诺亚移动医院智能装备江苏有限公司 | Torsion-resistant damping self-adaptive balance system |
CN111845242A (en) * | 2020-07-09 | 2020-10-30 | 安徽工程大学 | Suspension of dump truck |
CN111845242B (en) * | 2020-07-09 | 2024-05-10 | 安徽工程大学 | Suspension of dump truck |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230710 Address after: No. 583, Jiyan Road, Huaiyin District, Jinan City, Shandong Province, 250000 Patentee after: China National Heavy Duty Truck Group Ji'nan Special Vehicle Co.,Ltd. Address before: 250002, hero mountain road, Shizhong District, Shandong, Ji'nan 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |
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TR01 | Transfer of patent right |