CN212827752U - Structure of rear air suspension base assembly based on 10-meter full-bearing type city bus - Google Patents
Structure of rear air suspension base assembly based on 10-meter full-bearing type city bus Download PDFInfo
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- CN212827752U CN212827752U CN202021524545.XU CN202021524545U CN212827752U CN 212827752 U CN212827752 U CN 212827752U CN 202021524545 U CN202021524545 U CN 202021524545U CN 212827752 U CN212827752 U CN 212827752U
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model discloses a structure based on 10 meters full load-bearing type city bus's back air suspension base assembly, including little straight beam, gasbag seat, apron, bumper shock absorber support and stabilizer bar fixed cover, little straight beam is straight rod-like, and the apron is equipped with two, corresponds to install near the rear end position in little straight beam below, and the gasbag seat contains front airbag seat and back airbag seat, installs respectively at the front and back both ends of little straight beam to the connection face of front airbag seat and back airbag seat is located the same side of little straight beam with the apron; the shock absorber bracket is arranged above the small straight beam, is positioned between the rear airbag seat and the cover plate and is close to the cover plate; the fixed sleeve of the stabilizer bar is fixedly connected below the rear airbag seat. The utility model discloses optimize and adjusted holistic design and holistic structural design for the overall design structure is compacter, more simple and convenient, more practical, and the city passenger train of holding formula automobile body air suspension structure entirely simultaneously has also obtained higher manipulation performance and stability of traveling, and low in manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the passenger train part, concretely relates to structure based on 10 meters bear formula city passenger train's back air suspension base assembly entirely.
Background
The pure electric city bus is a vehicle type widely popularized and used by the nation and is also a main vehicle of each city at present, the relevant standards of the nation and all places have specific detailed parameter requirements on the step height, the height of the floor in the bus, the channel width, the seating number of passengers and the like, and the realization of the specific requirements is mainly closely related to the arrangement design structure of the front suspension of the pure electric city bus; as a city bus, the design method is important for increasing more riding comfort of the pure electric city bus by reasonably arranging the positions of an air bag, an air bag support, a shock absorber, a guide mechanism and a related support structure except that the city bus meets the specific detailed parameter requirements of the national and all local relevant standards on the step height, the height of a floor in the bus, the width of a channel, the seat number of passengers and the like.
At present, the whole design structure of the rear air suspension base commonly used by the pure electric city bus with a full-load type vehicle body structure is shown in figure 1, and the structure has the following problems:
1. the C-shaped beam structure is adopted, so that the using amount of the whole material is large, the whole weight is too large, and the design requirement of light weight is not met;
2. the C-shaped beam structure is not beneficial to the design and arrangement of parts of the whole vehicle, and the layout space of the whole vehicle is seriously occupied, so that the space utilization rate of the whole vehicle is lower;
3. the whole welding workload of the structure is large, the process is complex, the manufacturing cost is increased, and the target requirement of cost reduction is not met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that will solve is: based on the characteristics of the urban bus with the air suspension structure, the overall design structure of the air suspension base is adjusted, the structural requirement of the overall design of the full-bearing urban bus is met, the severe condition of long-term overload operation is met, the convenience of whole bus installation and maintenance is guaranteed, and the manufacturing cost is reduced.
The utility model adopts the technical proposal that:
a structure based on a rear air suspension base assembly of a 10-meter full-load-bearing type urban bus comprises a small straight beam, a front air bag seat, a rear air bag seat, two cover plates, a shock absorber support and a stabilizer bar fixing sleeve, wherein the small straight beam is in a straight rod shape, the two cover plates are correspondingly arranged above and below the small straight beam and close to the rear end position, the front air bag seat and the rear air bag seat are respectively arranged at the front end and the rear end of the small straight beam, and the connecting surface of the front air bag seat and the rear air bag seat is positioned above the small straight beam; the shock absorber bracket is arranged above the small straight beam, is positioned between the rear airbag seat and the cover plate and is close to the cover plate; the fixed sleeve of the stabilizer bar is fixedly connected below the rear airbag seat.
By adopting the technical scheme, the C-shaped beam is replaced by the small straight beam, the occupied space of the bearing beam is reduced, the airbag seat, the cover plate, the shock absorber support and the stabilizer bar fixing sleeve structure are simplified correspondingly, the weight of the whole structure is reduced, the whole layout is compact, the space layout design of the parts of the whole vehicle is facilitated, the layout space of the whole vehicle is increased, and the welding process difficulty is reduced.
Further, preceding gasbag seat is the type of invering U, and one end extension is equipped with preceding connecting piece and matches little straight roof beam external diameter, and preceding gasbag seat is installed in little straight roof beam top through preceding connecting piece and little straight roof beam front end fixed connection, and the preceding gasbag seat other end is located little straight roof beam outside.
Further, the rear airbag seat is an inverted U-shaped structure, one end of the rear airbag seat is inclined and extends outwards to be matched with the longitudinal section of the small straight beam, a rear connecting piece is arranged on the longitudinal section of the small straight beam, the rear airbag seat is fixedly connected with the rear end of the small straight beam through the rear connecting piece, and the other end of the rear airbag seat is located on the outer side of the small straight beam and is connected with a rear airbag seat reinforcing plate between the rear airbag seat and the rear.
Furthermore, the shock absorber support is Contraband type, and the opening is downward to both ends are seted up and are installed the little straight beam top through the recess with little straight beam matched recess.
Further, the fixed cover of stabilizer bar is the semicircle tube-shape, installs in back gasbag seat reinforcing plate below, and the fixed cover both sides end of stabilizer bar is connected with back gasbag seat reinforcing plate and back connecting piece respectively, forms both ends open-ended cavity.
Further, the device also comprises a lower thrust rod seat side reinforcing plate, a lower thrust rod seat rear reinforcing plate, a lower thrust rod seat lower reinforcing plate and a lower thrust rod seat; the bottom surface of the lower thrust rod base side reinforcing plate is fixedly connected with the side wall surface of the small straight beam, two lower thrust rod base rear reinforcing plates are arranged in the middle of the lower thrust rod base side reinforcing plate and are radially vertical to the top surface of the lower thrust rod base side reinforcing plate, the two lower thrust rod base rear reinforcing plates are respectively and vertically arranged on one side, close to the cover plate, of the lower thrust rod base side reinforcing plate at intervals, and two side edges of the lower thrust rod base lower reinforcing plate are respectively connected with the lower thrust rod base side reinforcing plate and the lower thrust rod base rear reinforcing plate; the lower thrust rod seats are two, are arranged on one side, far away from the cover plate, of the reinforcing plate behind the lower thrust rod seat and are respectively fixed at the upper end and the lower end of the reinforcing plate behind the thrust rod seat.
Furthermore, the junction of the front airbag seat and the small straight beam is fixedly connected with a front airbag seat inclined strut, and the junction of the rear airbag seat and the small straight beam is fixedly connected with a rear airbag seat inclined strut.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the small straight beam is used for replacing a C-shaped beam, so that the material consumption is greatly reduced, the overall weight is reduced, and the design requirement of light weight is met;
2. the utility model has compact overall layout, is beneficial to the space layout design of the parts of the whole vehicle, increases the layout space of the whole vehicle, and greatly improves the space utilization rate of the whole vehicle;
3. the utility model simplifies the structure, improves the whole welding process, reduces the welding difficulty and the welding workload, reduces the manufacturing cost, and meets the requirement of reducing the cost of the whole vehicle;
4. the utility model discloses the structure is on the basis of the structure of present back air suspension base commonly used, and the optimization has adjusted holistic design and holistic structural design for overall design structure is compacter, more simple and convenient, more practical, and the city passenger train of the formula automobile body air suspension structure of bearing totally has meanwhile also obtained higher manipulation performance and stability of traveling.
Drawings
FIG. 1 is a schematic structural diagram of a rear air suspension base commonly used for a pure electric city bus with a full-load type body structure at present;
fig. 2 is a schematic structural diagram of the present invention.
The marks in the figure are 1, a front air bag seat, 2, a front air bag seat diagonal brace, 3, a small straight beam, 4, a cover plate, 5, a shock absorber support, 6, a rear air bag seat diagonal brace, 7, a rear air bag seat, 8, a rear air bag seat reinforcing plate, 9, a stabilizer bar fixing sleeve, 10, a rear axle fixing screw hole fixing sleeve, 11, a lower thrust rod seat side reinforcing plate, 12, a lower thrust rod seat lower reinforcing plate, 13, a lower thrust rod seat rear reinforcing plate, 14 and a lower thrust rod seat.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
The utility model provides a structure based on 10 meters all-bearing formula city bus's back air suspension base assembly, includes little straight beam 3, preceding gasbag seat 1, back gasbag seat 7, apron 4, bumper shock absorber support 5, the fixed cover 9 of stabilizer bar, lower thrust rod seat side reinforcing plate 11, reinforcing plate 13 behind the lower thrust rod seat, reinforcing plate 12 under the lower thrust rod seat and lower thrust rod seat 14.
The small straight beam 3 is a straight rectangular pipe, the number of the cover plates 4 is two, the mounting hole is formed in the central position, the two cover plates 4 are respectively positioned above and below the small straight beam 3, and the four corners of the two cover plates are connected and mounted at the position, close to the rear end, of the small straight beam 3 through a rear axle fixing screw hole fixing sleeve 10, so that structural balance is kept.
The front airbag seat 1 is arranged at the front end of the small straight beam 3, the front airbag seat 1 is in an inverted U shape, one end of the front airbag seat 1 extends and is provided with a front connecting piece matched with the outer diameter of the small straight beam 3, the front airbag seat 1 and the front end of the small straight beam 3 are welded and arranged above the small straight beam 3 through the front connecting piece, so that a contact surface is positioned above the small straight beam 3, a mounting hole is formed in the contact surface, and the other end of the front airbag seat 1 is positioned outside the small straight beam 3; and the front airbag seat inclined strut 2 is welded at the joint of the front airbag seat 1 and the small straight beam 3 and used for enhancing the connecting strength of the front airbag seat 1 and the small straight beam 3.
The rear airbag seat 7 is arranged at the rear end of the small straight beam 3, the rear airbag seat 7 is in an inverted U shape, one end of the rear airbag seat extends obliquely outwards to be matched with the longitudinal section of the small straight beam 3 and is provided with a rear connecting piece, the rear airbag seat 7 is fixedly connected with the rear end of the small straight beam 3 through the rear connecting piece, so that a contact surface is positioned above the small straight beam 3, a mounting hole is formed in the contact surface, the other end of the rear airbag seat 7 is positioned on the outer side of the small straight beam 3, a rear airbag seat reinforcing plate 8 is welded between the rear airbag seat and the rear connecting piece, the strength of the integral structure of the rear airbag seat 7 is enhanced, and; and the rear airbag seat inclined strut 6 is welded at the joint of the rear airbag seat 7 and the small straight beam 3 and used for enhancing the connecting strength of the rear airbag seat 7 and the small straight beam 3.
The shock absorber support 5 is Contraband-shaped, the opening of the shock absorber support is downward, grooves matched with the small straight beams 3 are formed in the two ends of the shock absorber support, the shock absorber support is welded above the small straight beams 3 through the grooves, and the shock absorber support is located between the rear airbag seat 7 and the cover plate 4 and close to the cover 4.
The stabilizer bar fixing sleeve 9 is in a semi-cylindrical shape and is arranged below the rear airbag seat reinforcing plate 8, and two side ends of the stabilizer bar fixing sleeve 9 are respectively connected with the rear airbag seat reinforcing plate 8 and the rear connecting piece to form a cavity with two open ends; on the premise of ensuring the function of the stabilizer bar in the rear suspension, the structure size is more compact, and the layout design requirement of the whole vehicle is ensured.
The bottom surface of the lower thrust rod seat side reinforcing plate 11 is welded with the side wall surface of the small straight beam 3, the lower thrust rod seat rear reinforcing plate 13 is arranged in the middle of the lower thrust rod seat side reinforcing plate 11 and is radially perpendicular to the top surface of the lower thrust rod seat side reinforcing plate 11, the lower thrust rod seat rear reinforcing plate 12 is trapezoidal and is provided with two reinforcing plates, the two reinforcing plates are respectively and vertically arranged on one side, close to the cover plate 4, of the lower thrust rod seat side reinforcing plate 11 at intervals, and the two side edges of the lower thrust rod seat lower reinforcing plate 12 are respectively connected with the lower thrust rod seat side reinforcing plate 11 and the lower thrust rod seat rear reinforcing plate 13 so as to enhance the supporting stability of the lower thrust rod seat rear reinforcing plate 12 to the lower thrust rod seat rear reinforcing plate 13.
The two lower thrust rod seats 14 are arranged on one side, away from the cover plate 4, of the lower thrust rod seat rear reinforcing plate 13 and are respectively fixed at the upper end and the lower end of the thrust rod seat rear reinforcing plate 13, and the end surfaces of the two lower thrust rod seats do not exceed the end surfaces of the lower thrust rod seat side reinforcing plate 11 and the lower thrust rod seat rear reinforcing plate 13.
The welding modes adopt carbon dioxide arc welding for welding.
Above-mentioned novel back air suspension base structure, through changing the spandrel girder into little straight beam 3, compares original C type roof beam, reduces the occupation space of spandrel girder, reduces overall structure weight, accords with lightweight design requirement. And the front airbag seat 1, the rear airbag seat 7, the cover plate 4, the shock absorber support 5 and the stabilizer bar fixing sleeve 9 are correspondingly simplified, the whole layout is compact, the space layout design of parts of the whole vehicle is facilitated, the layout space of the whole vehicle is increased, the welding process difficulty is reduced, the manufacturing cost is reduced, and the requirement of reducing the cost of the whole vehicle is met. Meanwhile, the city passenger car with the full-bearing type car body air suspension structure also obtains higher operation performance and running stability.
The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent flow changes made by using the contents of the new type specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the new type patent protection scope of the present invention.
Claims (7)
1. The utility model provides a structure of back air suspension base assembly based on 10 meters bear formula city bus entirely, includes little straight beam (3), preceding gasbag seat (1), back gasbag seat (7), apron (4), bumper shock absorber support (5) and the fixed cover of stabilizer bar (9), its characterized in that: the small straight beam (3) is in a straight rod shape, two cover plates (4) are arranged and correspondingly mounted above and below the small straight beam (3) and close to the rear end position, the front airbag seat (1) and the rear airbag seat (7) are respectively mounted at the front end and the rear end of the small straight beam (3), and the connecting surfaces of the front airbag seat (1) and the rear airbag seat (7) are both positioned above the small straight beam (3); the shock absorber bracket (5) is arranged above the small straight beam (3), is positioned between the rear airbag seat (7) and the cover plate (4) and is close to the cover plate (4); the stabilizer bar fixing sleeve (9) is fixedly connected below the rear air bag seat (7).
2. The structure of the rear air suspension base assembly based on the 10-meter full-load type city bus according to claim 1, characterized in that: preceding gasbag seat (1) is invertd the U type, and one end extension is equipped with preceding connecting piece and matches little straight roof beam (3) external diameter, and preceding gasbag seat (1) is installed in little straight roof beam (3) top through preceding connecting piece and little straight roof beam (3) front end fixed connection, and preceding gasbag seat (1) other end is located little straight roof beam (3) outside.
3. The structure of the rear air suspension base assembly based on the 10-meter full-load type city bus according to claim 1, characterized in that: rear airbag seat (7) are the type of invering the U, and the outside extension of one end slope matches little straight roof beam (3) longitudinal section and is equipped with the back connecting piece, and rear airbag seat (7) are located little straight roof beam (3) outside through back connecting piece and little straight roof beam (3) rear end fixed connection, rear airbag seat (7) other end to and be connected rear airbag seat reinforcing plate (8) between the back connecting piece.
4. The structure of the rear air suspension base assembly based on the 10-meter full-load type city bus according to claim 1, characterized in that: the shock absorber support (5) is Contraband-shaped, the opening of the shock absorber support is downward, grooves matched with the small straight beams (3) are formed in the two ends of the shock absorber support, and the shock absorber support is installed above the small straight beams (3) through the grooves.
5. The structure of the rear air suspension base assembly based on the 10-meter full-load type city bus as claimed in claim 3, wherein: the fixed cover of stabilizer bar (9) is the semicircle tube-shape, installs in back gasbag seat reinforcing plate (8) below, and the fixed cover of stabilizer bar (9) both sides end is connected with back gasbag seat reinforcing plate (8) and back connecting piece respectively, forms both ends open-ended cavity.
6. The structure of the rear air suspension base assembly based on the 10-meter full-load type city bus according to claim 1, characterized in that: the device also comprises a lower thrust rod seat side reinforcing plate (11), a lower thrust rod seat rear reinforcing plate (13), a lower thrust rod seat lower reinforcing plate (12) and a lower thrust rod seat (14); the bottom surface of the lower thrust rod base side reinforcing plate (11) is fixedly connected with the side wall surface of the small straight beam (3) and is close to the cover plate (4), the lower thrust rod base rear reinforcing plate (13) is arranged in the middle of the lower thrust rod base side reinforcing plate (11) and is perpendicular to the lower thrust rod base side reinforcing plate (11) in the radial direction, the lower thrust rod base lower reinforcing plate (12) is vertically arranged on one side, close to the cover plate (4), of the lower thrust rod base side reinforcing plate (11), and two side edges of the lower thrust rod base lower reinforcing plate (12) are respectively connected with the lower thrust rod base side reinforcing plate (11) and the lower thrust rod base rear reinforcing plate (13); the two lower thrust rod seats (14) are arranged on one side, away from the cover plate (4), of the lower thrust rod seat rear reinforcing plate (13) and are fixed to the upper end and the lower end of the thrust rod seat rear reinforcing plate (13) respectively.
7. The structure of the rear air suspension base assembly based on the 10-meter full-load type city bus according to claim 1, characterized in that: the front airbag seat inclined strut is characterized in that a joint of the front airbag seat (1) and the small straight beam (3) is fixedly connected with a front airbag seat inclined strut (2), and a joint of the rear airbag seat (7) and the small straight beam (3) is fixedly connected with a rear airbag seat inclined strut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021524545.XU CN212827752U (en) | 2020-07-29 | 2020-07-29 | Structure of rear air suspension base assembly based on 10-meter full-bearing type city bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021524545.XU CN212827752U (en) | 2020-07-29 | 2020-07-29 | Structure of rear air suspension base assembly based on 10-meter full-bearing type city bus |
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| CN212827752U true CN212827752U (en) | 2021-03-30 |
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| CN202021524545.XU Active CN212827752U (en) | 2020-07-29 | 2020-07-29 | Structure of rear air suspension base assembly based on 10-meter full-bearing type city bus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232471A (en) * | 2021-05-11 | 2021-08-10 | 丹阳市联铖汽车配件有限公司 | Safe C-shaped beam structure applied to automobile suspension system |
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2020
- 2020-07-29 CN CN202021524545.XU patent/CN212827752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232471A (en) * | 2021-05-11 | 2021-08-10 | 丹阳市联铖汽车配件有限公司 | Safe C-shaped beam structure applied to automobile suspension system |
| CN113232471B (en) * | 2021-05-11 | 2022-05-31 | 丹阳市联铖汽车配件有限公司 | Safe C-shaped beam structure applied to automobile suspension system |
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