CN202541238U - Lift bridge air suspension frame with single middle air spring - Google Patents
Lift bridge air suspension frame with single middle air spring Download PDFInfo
- Publication number
- CN202541238U CN202541238U CN201220170285XU CN201220170285U CN202541238U CN 202541238 U CN202541238 U CN 202541238U CN 201220170285X U CN201220170285X U CN 201220170285XU CN 201220170285 U CN201220170285 U CN 201220170285U CN 202541238 U CN202541238 U CN 202541238U
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- gas spring
- lift bridge
- vehicle frame
- bridge assembly
- leaf spring
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Abstract
The utility model discloses a lift bridge air suspension frame with a single middle air spring. The lift bridge air suspension frame comprises two front brackets, a left connecting beam, a right connecting beam, a guide mechanism, the lifting air spring and two bearing air springs, wherein the two front brackets are fixedly connected with a frame, the left connecting beam and the right connecting beam are connected between the two front brackets, the guide mechanism is connected between the front brackets and a lift bridge assembly and comprises two plate spring guide arms and a plate spring connecting beam which is rigidly connected between the rear ends of the two plate spring guide arms, the front ends of the two plate spring guide arms are hinged with the front brackets, the middle sections of the two plate spring guide arms are connected with the lift bridge assembly by U-shaped bolts and a lower plate spring base plate, the lifting air spring is arranged in the middle in front of the lift bridge assembly, the two bearing air springs are arranged behind the lift bridge assembly, and two shock absorbers are arranged between the lift bridge assembly and the frame. The suspension frame has the advantages of few part, convenience in maintenance, low cost and convenience in processing and manufacturing, and is still suitable for use when the frame is very close to the ground.
Description
Technical field
The utility model relates to a kind of air suspension, particularly a kind of lift bridge air suspension.
Background technology
Traditional lift bridge air suspension is mainly used in the propons elevator system; Form by parts such as front frame, four connecting rod guiding mechanisms, lifting gas spring, carrying gas springs; Said four connecting rod guiding mechanisms have comprised upper and lower two approximately parallel longitudinal rods, and said lifting gas spring acts on the pilot bar.The lift bridge air suspension through about 2 inflations that promote the gas springs back down four connecting rod guiding mechanisms, realize the lifting of lift bridge thus.
Traditional lift bridge air suspension has three shortcomings.The one, owing to adopted four connecting rod guiding mechanisms, number of spare parts is many, manufacturing is complicated, cost is high, the shortcoming of maintenance difficulty so have.The 2nd, the lifting gas spring in traditional lift bridge air suspension is positioned at the vehicle frame side-lower, and it is bigger to take up room, so when vehicle frame is low apart from ground, can't arrange.Three is that four connecting rod guiding mechanisms make the load of lift bridge air suspension be difficult to increase to 13 tons.
The utility model content
The purpose of the utility model provides a kind of mid-single gas spring lift bridge air suspension, solve traditional lift bridge air suspension number of spare parts many, make complicated, cost is high, the maintenance difficulty technical matters; And solve the problem that traditional lift bridge air suspension can't be arranged when vehicle frame is low apart from ground; The load that also will solve traditional lift bridge air suspension is difficult to increase to 13 tons problem.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: a kind of mid-single gas spring lift bridge air suspension; Comprise two front frames of captiveing joint, be connected two left and right sides tie-beams between the front frame, be connected the guiding mechanism between front frame and the lift bridge assembly with vehicle frame; And promote the gas spring and carry the gas spring; It is characterized in that: said guiding mechanism comprises two leaf spring guide arms and is rigidly attached to the leaf spring tie-beam between the rear end of two leaf spring guide arms, and the front end of two leaf spring guide arms all is articulated and connected with front frame, and the stage casing of two leaf spring guide arms all is connected with the lift bridge assembly with the leaf spring lower bolster through U-bolt.
Said lifting gas spring has one and be arranged on the dead ahead midway location of lift bridge assembly; The upper end of lifting gas spring is connected with the lifting gas spring seat of honour on being fixedly connected on the lift bridge assembly, and the lower end that promotes the gas spring is connected with the lifting gas spring support beam that is rigidly attached between the vehicle frame.
Said carrying gas spring has two and be arranged on the rear of lift bridge assembly; Two upper ends of carrying the gas springs all be fixedly connected on vehicle frame on carrying gas spring upper bracket be connected, the lower end of two carrying gas springs all be fixedly connected on guiding mechanism on carrying gas spring undersetting be connected.
Between said lift bridge assembly and vehicle frame, also be provided with two shock absorbers; The upper end of two shock absorbers all is articulated and connected with the shock absorber upper bracket that is fixedly connected on the vehicle frame, and the lower end of two shock absorbers all is articulated and connected with the shock absorber lower bracket that is fixedly connected on the leaf spring guide arm.
Said lifting gas spring support beam is connected swash plate by the vehicle frame on promoting gas spring stay bearing plate and being fixedly connected on lifting gas spring stay bearing plate and forms, and said lifting gas spring stay bearing plate is connected with the lower end that promotes the gas spring, and said vehicle frame connects swash plate and connects to ground.
Said front frame, lifting gas spring support beam, shock absorber upper bracket and carrying gas spring upper bracket all are connected the lateral surface of vehicle frame.
Said shock absorber lower bracket is clipped between lift bridge assembly and the leaf spring guide arm.
Compared with prior art the utlity model has following characteristics and beneficial effect: compare with traditional lift bridge air suspension; The utility model does not adopt four connecting rod guiding mechanisms; But adopted the single longitudenal arm structure; Adopt single lifting gas spring to realize enhanced feature simultaneously, and will promote the gas spring and be arranged in lift bridge dead ahead midway location, with carrying the rear side that the gas spring is arranged in lift bridge.This structure has three benefits; The one, can make the air suspension structure become simple; Have amount of parts few, be convenient to keep in repair, cost is low, the advantage of convenient processing and manufacture; The 2nd, whole air suspension still is suitable for when vehicle frame is low apart from ground, the 3rd, the reliability of this air suspension is very high, can improve the load to 13 ton of lift bridge air suspension.
The utility model has been realized the enhanced feature of non-driving vehicle bridge, when needing to promote lift bridge, charges into pressure gas to promoting the gas spring, can lift bridge be promoted.
The utilization that the utility model is the least possible the vehicle frame outer space, so saved the vehicle frame outer space, improved commonality with drive axle air suspension parts.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the scheme drawing that promotes gas spring support beam.
Fig. 3 promotes the gas spring seat of honour to be connected the scheme drawing on the lift bridge assembly.
Reference numeral: 1-front frame; 2-left and right sides tie-beam; 3-leaf spring guide arm; 4-U type bolt; 5-leaf spring lower bolster; 6-shock absorber lower bracket; The 7-shock absorber; 8-shock absorber upper bracket; 9-carries the gas spring; 10-carries gas spring undersetting; 11-leaf spring tie-beam; 12-lift bridge assembly; 13-promotes gas spring support beam; 13.1-promote gas spring stay bearing plate; 13.2-vehicle frame connects swash plate; 14-promotes the gas spring; 15-carries gas spring upper bracket; 16-promotes the gas spring seat of honour.
The specific embodiment
Embodiment is referring to shown in Fig. 1-3; This mid-single gas spring lift bridge air suspension; Comprise two front frames 1 of captiveing joint with vehicle frame; Be connected two left and right sides tie-beams 2 between the front frame 1, be connected the guiding mechanism between front frame 1 and the lift bridge assembly 12, and promote gas spring 14 and carry gas spring 9.This mid-single gas spring lift bridge air suspension can the non-powered axle of convenient location after drive axle on, can cooperate various non-powered axles.
Said guiding mechanism comprises two leaf spring guide arms 3 and is rigidly attached to the leaf spring tie-beam 11 between the rear end of two leaf spring guide arms 3; The front end of two leaf spring guide arms 3 all is articulated and connected with front frame 1, and the stage casing of two leaf spring guide arms 3 all is connected with lift bridge assembly 12 with leaf spring lower bolster 5 through U-bolt 4.
Said lifting gas spring 14 has one and be arranged on the dead ahead midway location of lift bridge assembly 12; The upper end of lifting gas spring 14 is connected with the lifting gas spring seat of honour 16 on being fixedly connected on lift bridge assembly 12, and the lower end that promotes gas spring 14 is connected with the lifting gas spring support beam 13 that is rigidly attached between the vehicle frame.In the present embodiment; Promote gas spring support beam 13 and link to each other with the side of vehicle frame, inboard at vehicle frame for lifting gas spring provides the strong point down, when promoting the inflation of gas spring, provide support counter-force; Promote the gas spring seat of honour and be welded in the vehicle bridge top; Be connected with the upper end that promotes the gas spring, transmit the hoisting force that promotes the gas spring, the lift bridge assembly is promoted.
Said carrying gas spring 9 has two and be arranged on the rear of lift bridge assembly 12; Two upper ends of carrying gas springs 9 all be fixedly connected on vehicle frame on carrying gas spring upper bracket 15 be connected, the lower end of two carrying gas springs 9 all be fixedly connected on guiding mechanism on carrying gas spring undersetting 10 be connected.
Between said lift bridge assembly 12 and vehicle frame, also be provided with two shock absorbers 7; The upper end of two shock absorbers 7 all is articulated and connected with the shock absorber upper bracket 8 that is fixedly connected on the vehicle frame, and the lower end of two shock absorbers 7 all is articulated and connected with the shock absorber lower bracket 6 that is fixedly connected on the leaf spring guide arm 3.In the present embodiment, shock absorber lower bracket 6 is clipped between lift bridge assembly 12 and the leaf spring guide arm 3.
In the present embodiment; Promote gas spring support beam 13 by promoting gas spring stay bearing plate 13.1 and being connected swash plate 13.2 with the vehicle frame that promotes gas spring stay bearing plate captive joint and forming; Said lifting gas spring stay bearing plate 13.1 is connected with the lower end that promotes gas spring 14, and said vehicle frame connects swash plate 13.2 and connects to ground.
In the present embodiment, said front frame 1, promote gas spring support beam 13, shock absorber upper bracket 8 and carry the lateral surface that gas spring upper bracket 15 all is connected vehicle frame.
The utility model adopts leaf spring guide arm 3 and leaf spring tie-beam 11 to make guiding mechanism, is the single longitudenal arm structure, and the guide arm front end links to each other with front frame 1 through lining, and lift bridge assembly 12 transmits longitudinal force through left and right two leaf spring guide arms; The leaf spring guide arm passes through under the lift bridge assembly; U-bolt 4 with lift bridge assembly 12, shock absorber lower bracket 6, leaf spring guide arm 3, leaf spring lower bolster 5 clamped joints together; Each is delivered to the lift bridge assembly on the vehicle frame through front frame 1 by the leaf spring guide arm to stressed; Simultaneously left and right two front frames link to each other with left and right sides tie-beam 2, and two front frames are born vehicle bridge that the leaf spring guide arm transmits jointly respectively to power; Carry gas spring 9 lower ends and be installed on the carrying gas spring undersetting 10, will carry gas spring undersetting again and link to each other with leaf spring guide arm 3, leaf spring tie-beam 11 orders, carry gas spring 9 upper ends and link to each other with the vehicle frame side through carrying gas spring upper bracket 15 with bolt; Shock absorber 7 lower ends link to each other with shock absorber lower bracket 6, and the shock absorber upper end links to each other with shock absorber upper bracket 8, and shock absorber upper bracket 8 is connected with the vehicle frame side; Promoting gas spring 14 upper ends is installed on the lifting gas spring seat of honour 16; Promote gas spring lower end and be installed on the lifting gas spring stay bearing plate 13.1, lifting gas spring support beam 13 remains motionless, promotes the lifting gas spring seat of honour 16 when promoting the inflation of gas spring; Promote the gas spring seat of honour and drive lift bridge assembly 12 winding board spring guide arms, 3 front fulcrums (being the front end of leaf spring guide arm) rotation; Realize that thus the lift bridge assembly promotes, when promoting the venting of gas spring, utilize the weight of lift bridge assembly that the lift bridge assembly is transferred.
Claims (4)
1. mid-single gas spring lift bridge air suspension; Comprise two front frames (1) of captiveing joint with vehicle frame; Be connected the left and right sides tie-beam (2) between two front frames (1); Be connected the guiding mechanism between front frame (1) and the lift bridge assembly (12), and promote gas spring (14) and carry gas spring (9), it is characterized in that:
Said guiding mechanism comprises two leaf spring guide arms (3) and is rigidly attached to the leaf spring tie-beam (11) between the rear end of two leaf spring guide arms (3); The front end of two leaf spring guide arms (3) all is articulated and connected with front frame (1), and the stage casing of two leaf spring guide arms (3) all is connected with lift bridge assembly (12) with leaf spring lower bolster (5) through U-bolt (4);
Said lifting gas spring (14) has one and be arranged on the dead ahead midway location of lift bridge assembly (12); The upper end of lifting gas spring (14) is connected with the lifting gas spring seat of honour (16) on being fixedly connected on lift bridge assembly (12), and the lower end that promotes gas spring (14) is connected with the lifting gas spring support beam (13) that is rigidly attached between the vehicle frame;
Said carrying gas spring (9) has two and be arranged on the rear of lift bridge assembly (12); Two upper ends of carrying gas springs (9) all be fixedly connected on vehicle frame on carrying gas spring upper bracket (15) be connected, the lower end of two carrying gas springs (9) all be fixedly connected on guiding mechanism on carrying gas spring undersetting (10) be connected;
Between said lift bridge assembly (12) and vehicle frame, also be provided with two shock absorbers (7); The upper end of two shock absorbers (7) all is articulated and connected with the shock absorber upper bracket (8) that is fixedly connected on the vehicle frame, and the lower end of two shock absorbers (7) all is articulated and connected with the shock absorber lower bracket (6) that is fixedly connected on the leaf spring guide arm (3).
2. mid-single gas spring lift bridge air suspension according to claim 1; It is characterized in that: said lifting gas spring support beam (13) is by promoting gas spring stay bearing plate (13.1) and being connected swash plate (13.2) with the vehicle frame that promotes gas spring stay bearing plate captive joint and forming; Said lifting gas spring stay bearing plate (13.1) is connected with the lower end that promotes gas spring (14), and said vehicle frame connects swash plate (13.2) and connects to ground.
3. mid-single gas spring lift bridge air suspension according to claim 1 is characterized in that: said front frame (1), lifting gas spring support beam (13), shock absorber upper bracket (8) and carrying gas spring upper bracket (15) all are connected the lateral surface of vehicle frame.
4. mid-single gas spring lift bridge air suspension according to claim 1, it is characterized in that: said shock absorber lower bracket (6) is clipped between lift bridge assembly (12) and the leaf spring guide arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220170285XU CN202541238U (en) | 2012-04-20 | 2012-04-20 | Lift bridge air suspension frame with single middle air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220170285XU CN202541238U (en) | 2012-04-20 | 2012-04-20 | Lift bridge air suspension frame with single middle air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202541238U true CN202541238U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220170285XU Expired - Fee Related CN202541238U (en) | 2012-04-20 | 2012-04-20 | Lift bridge air suspension frame with single middle air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202541238U (en) |
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 |
| CN104354557A (en) * | 2014-09-19 | 2015-02-18 | 集瑞联合重工有限公司 | Rear lifting axle air suspension system for tractor |
| CN105329059A (en) * | 2014-08-07 | 2016-02-17 | 陕西重型汽车有限公司 | Heavy-duty truck and air sac lifting and bearing back suspension rack system |
| CN106347454A (en) * | 2016-11-23 | 2017-01-25 | 中国重汽集团济南动力有限公司 | Middle supporting shaft assembly for vehicle |
| CN113787876A (en) * | 2021-10-08 | 2021-12-14 | 一汽解放汽车有限公司 | Double-axle suspension system |
-
2012
- 2012-04-20 CN CN201220170285XU patent/CN202541238U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329059A (en) * | 2014-08-07 | 2016-02-17 | 陕西重型汽车有限公司 | Heavy-duty truck and air sac lifting and bearing back suspension rack system |
| CN105329059B (en) * | 2014-08-07 | 2018-05-25 | 陕西重型汽车有限公司 | Heavy duty truck and its airbag lift air bag carrying rear-suspension system |
| 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 |
| CN104354557A (en) * | 2014-09-19 | 2015-02-18 | 集瑞联合重工有限公司 | Rear lifting axle air suspension system for tractor |
| CN106347454A (en) * | 2016-11-23 | 2017-01-25 | 中国重汽集团济南动力有限公司 | Middle supporting shaft assembly for vehicle |
| CN113787876A (en) * | 2021-10-08 | 2021-12-14 | 一汽解放汽车有限公司 | Double-axle suspension system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING KEBUKE SCIENCE AND TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: BEIJING KEBUKE AUTOMOBILE TECHNOLOGY CO., LTD. Effective date: 20131205 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131205 Address after: 100015 Beijing City, Chaoyang District Shun Street No. 6 (Beijing LINK) 18 floor 1-101 Patentee after: Beijing Kebuke Science and Technology Development Co., Ltd. Address before: 100015 Beijing City, Chaoyang District Shun Street No. 6 (Beijing LINK) 18 floor 1-101 Patentee before: Beijing Corpco Automobile Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20190420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |