CN210235096U - Lightweight frame assembly suitable for air suspension - Google Patents
Lightweight frame assembly suitable for air suspension Download PDFInfo
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- CN210235096U CN210235096U CN201920693467.7U CN201920693467U CN210235096U CN 210235096 U CN210235096 U CN 210235096U CN 201920693467 U CN201920693467 U CN 201920693467U CN 210235096 U CN210235096 U CN 210235096U
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- frame assembly
- beam body
- connecting plate
- air suspension
- light weight
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- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a lightweight frame assembly suitable for air suspension, including the longeron that bilateral symmetry set up, front beam, middle beam, the tail crossbeam that both ends are connected with two longerons respectively, at least one and be close to the middle beam of tail crossbeam and adopt the casting cavity tubular crossbeam, it includes cavity tubular crossbeam body, the crossbeam body both ends outer wall is equipped with longeron connecting portion; all be equipped with the connecting plate between longeron connecting portion and the longeron, the connecting plate is including upper junction plate and lower connecting plate that all are the L type. The cast hollow circular tubular cross beam is adopted to replace the existing channel beam, so that the local torsional rigidity of the frame assembly is increased while the stress concentration is avoided, the reliability of the frame assembly is increased, and the weight and cost reduction is realized; the cast hollow circular tubular beam integrates the function of a suspension thrust rod bracket, so that a separate thrust rod bracket is omitted, the weight and the cost are reduced; the cross section of the beam connecting plate is uniform in size, the material utilization rate is high, and the assembly cost is reduced, and the connecting plate is light in weight.
Description
Technical Field
The utility model belongs to the technical field of the car, specifically a lightweight frame assembly suitable for air suspension.
Background
The frame assembly for the traction automobile suitable for the air suspension at present comprises back-to-back cross beams, wherein the cross beams, cross beam connecting plates and thrust rod supports are connected with frame longitudinal beams through fasteners to form the frame assembly, and the connecting plates, the suspension thrust rod supports and the frame longitudinal beams are bilaterally symmetrical parts.
In the existing frame assembly structure, a beam assembly consisting of a beam, a beam connecting plate and a thrust rod bracket has larger overall weight, so that the overall weight of the frame assembly is not favorable for the trend of light weight of the whole vehicle; on the other hand, the cross beam is two channel beams, so that stress concentration at the bending position is easy to occur when the frame is twisted, and the reliability of the frame assembly is not facilitated; in addition, although the overall shape of the cross beam connecting plate is L-shaped, the cross section size change is large, the material utilization rate is low, and the increasingly severe commodity cost requirements are not facilitated.
Chinese patent "wide front and narrow rear frame of light weight type tractor", No. CN 202518348U, bulletin No. 2012.11.07, discloses a frame assembly for a light weight type tractor, wherein a middle cross beam close to a rear cross beam is a channel steel beam, and a connecting plate arranged between the channel steel beam and a longitudinal beam is a trapezoid at least on one side when viewed from the drawing, that is, the size of an interface along the length direction of the longitudinal beam is greatly changed.
SUMMERY OF THE UTILITY MODEL
Problem to the background art existence, the utility model aims to provide a lightweight frame assembly suitable for air suspension who solves the used frame assembly's of present heavy load traction automobile weight, cost scheduling problem.
In order to achieve the above object, the utility model discloses a lightweight frame assembly suitable for air suspension, including the longeron that bilateral symmetry set up, front beam, intermediate transverse beam, the tail crossbeam that both ends are connected with two longerons respectively, its characterized in that: the structure of at least one middle cross beam close to the tail cross beam is as follows: the cross beam comprises a hollow circular tube-shaped cross beam body, wherein air storage cylinder partition plates are arranged at two ends of the cross beam body, and longitudinal beam connecting parts are arranged on the outer walls of two ends of the cross beam body; the side parts of two sides of two ends of the beam body are symmetrically provided with a balanced suspension thrust rod support; the top of the middle part of the beam body is provided with an air inlet connector and an air outlet connector, and the bottom of the beam body is provided with a water drain valve connector; brake valve connecting seats are symmetrically arranged on the lateral parts of the two sides of the middle part of the beam body; the beam body, the longitudinal beam connecting part and the balanced suspension thrust rod support are integrally cast and formed; all be equipped with the connecting plate between longeron connecting portion and the longeron, the connecting plate includes upper junction plate and lower connecting plate that all are the L type.
Preferably, the middle part of the beam body and the two sides of the water drain valve connector along the axis of the beam body are provided with first support reserved seats. The reserved seat at the position can be a seat body for an electric pipeline or reserved seats for other accessories.
Preferably, the tops of the two ends of the beam body are provided with second support reserved seats. The reserved seat can provide a connection foundation for other subsequently designed supports, and thus expansibility is increased.
Preferably, four brake valve connecting seats are arranged on each side of the beam body, and the brake valve connecting seats are arranged on the same side at intervals along the axis direction of the beam body.
Further preferably, the distance between the two brake valve connecting seats in the middle is smaller than the distance between the two brake valve connecting seats and the brake valve connecting seats on the two sides.
Further preferably, bosses are arranged at two ends of the end face of the longitudinal beam connecting portion and can be in contact with the longitudinal beam.
Preferably, the upper connecting plate is a strip-shaped sheet metal part and comprises a first part and a second part which are vertically arranged, and the sections of the first part and the second part along the length direction of the first part and the second part are both rectangular; the second portion is provided with a plurality of first through holes at intervals along the length direction.
Further preferably, the second portion has a groove formed at an edge thereof and recessed toward the first portion. Thus, the design of the groove can increase the strength and avoid the lug boss on the beam connecting part.
Preferably, the lower connecting plate is a strip-shaped sheet metal part and comprises a third part and a fourth part which are vertically arranged, and the sections of the third part and the fourth part along the length direction of the third part and the fourth part are both rectangular; the third portion is provided with a plurality of second through holes at intervals along the length direction of the third portion.
The utility model has the advantages that: the integrally cast beam is adopted to replace the existing welded beam assembly, and the balance suspension bracket thrust rod support function and the air reservoir function are integrated, so that the weight of the whole vehicle is effectively reduced; the connecting brackets at two ends of the connecting bracket correspond to the large bracket of the balanced suspension, occupy small space of the longitudinal beam and are beneficial to the modularized arrangement of the chassis; the circular tube beam avoids the screwing space of the bolt, greatly improves the assembly manufacturability and improves the production efficiency. Because the cast hollow round tubular beam is connected at the end part, the upper connecting plate and the lower connecting plate can adopt an L-shaped shape with uniform section size.
The cast hollow circular tubular cross beam is adopted to replace the existing channel beam, so that the local torsional rigidity of the frame assembly is increased while the stress concentration is avoided, the reliability of the frame assembly is increased, and the weight and cost reduction is realized; the cast hollow circular tubular beam integrates the function of a suspension thrust rod bracket, so that a separate thrust rod bracket is omitted, the weight and the cost are reduced; the cross section of the beam connecting plate is uniform in size, the material utilization rate is high, and the assembly cost is reduced, and the connecting plate is light in weight.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a schematic structural view of the hollow tubular beam of the present invention
FIG. 3 is a schematic view of the partial three-dimensional structure of the present invention
In the figure: the device comprises a beam body 1, an air storage cylinder clapboard 2, a longitudinal beam connecting part 3 (a boss 3.1), a balanced suspension thrust rod support 4, an air inlet interface 5, an exhaust interface 6, a water drain valve interface 7, a brake valve connecting seat 8, a first support reserved seat 9, a second support reserved seat 10, a longitudinal beam 11, a tail beam 12, an upper connecting plate 13 (a first part 13.1, a second part 13.2, a first through hole 13.3, a groove 13.4) and a lower connecting plate 14 (a third part 14.1, a fourth part 14.2 and a second through hole 14.3).
Detailed Description
The technical solutions of the present invention (including the preferred ones) are further described in detail by way of fig. 1 to 3 and enumerating some alternative embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the light frame assembly suitable for an air suspension of the present invention comprises longitudinal beams 11 arranged in bilateral symmetry, a front cross beam, a middle cross beam and a tail cross beam 12, both ends of which are respectively connected with the two longitudinal beams 11, and at least one middle cross beam which is close to the tail cross beam 12 is a cast hollow circular tubular cross beam, and one middle cross beam is generally arranged; and connecting plates are arranged between the longitudinal beam connecting part 3 and the longitudinal beam 11 and comprise an upper connecting plate 13 and a lower connecting plate 14 which are L-shaped.
As shown in fig. 2, the structure of the cast hollow round tubular beam is as follows: the cross beam comprises a hollow circular tube-shaped cross beam body 1, wherein air storage cylinder partition plates 2 are arranged at two ends of the cross beam body 1, and longitudinal beam connecting parts 3 are arranged on the outer walls of two ends of the cross beam body 1; the air storage cylinder partition plate 2 is made of hot rolled steel plates through stamping, bolt fixing holes are formed in the air storage cylinder partition plate, and bolts are hermetically connected with the two ends of the cross beam body 1 to form a closed cavity for a braking system to use as an air storage cylinder. The longitudinal beam connecting parts 3 are uniformly distributed with longitudinal beam connecting holes at intervals.
The lateral parts of two sides of two ends of the beam body 1 are symmetrically provided with a balanced suspension thrust rod support 4; that is, in the view point of fig. 1, the gimbal thrust rod supports 4 are provided on both left and right sides and front and rear sides of both ends of the cross beam body 1, for a total of four gimbal thrust rod supports 4.
The top of the middle part of the beam body 1 is provided with an air inlet connector 5 and an exhaust connector 6, and the bottom is provided with a water drain valve connector 7; the positions of the air inlet port 5 and the air outlet port 6 can be interchanged according to requirements, and are not necessarily arranged according to the marks in the figures.
Brake valve connecting seats 8 are symmetrically arranged on the lateral parts of the two sides of the middle part of the beam body 1; that is, in the view of fig. 2, the front and the rear of the beam body 1 are provided with brake valve connecting seats 8. Four brake valve type connecting seats 8 are arranged on each side of the beam body 1, and the brake valve type connecting seats are arranged on the same side at intervals along the axis direction of the beam body 1. The distance between the two middle brake valve connecting seats 8 is smaller than the distance between the two middle brake valve connecting seats and the brake valve connecting seats 8 on the two sides.
Preferably, the middle part of the beam body 1 and the two sides of the water drain valve port 7 along the axis of the beam body 1 are provided with first support reserved seats 9. The reserved seat at the position can be a seat body for an electric pipeline or reserved seats for other accessories.
Preferably, the top of the two ends of the beam body 1 is provided with a second support reserved seat 10. The reserved seat can provide a connection foundation for other subsequently designed supports, and thus expansibility is increased.
The beam body 1, the longitudinal beam connecting part 3, the balanced suspension thrust rod support 4, the air inlet interface 5, the exhaust interface 6, the drain valve interface 7, the brake valve connecting seat 8, the first support reserved seat 9 and the second support reserved seat 10 are integrally cast and formed. Wherein the threaded holes on the longitudinal beam connecting part 3, the brake valve connecting seat 8 and the first support reserved seat 9 are processed after. The threaded hole on the second bracket reserved seat 10 can be machined again as required.
As shown in fig. 2 and 3, bosses 3.1 are respectively arranged at two ends of the end surface of the longitudinal beam connecting part 3, and the bosses 3.1 can contact with the longitudinal beam 11.
As shown in fig. 3, the upper connecting plate 13 is a strip-shaped sheet metal part, and includes a first portion 13.1 and a second portion 13.2 that are vertically arranged, and both the cross sections of the first portion 13.1 and the second portion 13.2 along the length direction thereof are rectangular; the second portion 13.2 is provided with a plurality of first through holes 13.3 at intervals along the length direction thereof. Preferably, the middle edge of the second part 13.2 is provided with a groove 13.4 which is concave to the first part. In this way the design of the recess 13.4 increases the strength while avoiding the boss 3.1 on the beam connection.
The lower connecting plate 14 is a strip-shaped sheet metal part and comprises a third part 14.1 and a fourth part 14.2 which are vertically arranged, and the sections of the third part 14.1 and the fourth part 14.2 along the length direction are rectangular; the third portion 14.1 is provided with a plurality of second through holes 14.3 at intervals along the length direction thereof.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (9)
1. The utility model provides a lightweight frame assembly suitable for air suspension, includes the longeron that bilateral symmetry set up, front beam, middle cross beam, the tail crossbeam that both ends are connected with two longerons respectively, its characterized in that: the structure of at least one middle cross beam close to the tail cross beam is as follows: the cross beam comprises a hollow circular tube-shaped cross beam body, wherein air storage cylinder partition plates are arranged at two ends of the cross beam body, and longitudinal beam connecting parts are arranged on the outer walls of two ends of the cross beam body; the side parts of two sides of two ends of the beam body are symmetrically provided with a balanced suspension thrust rod support; the top of the middle part of the beam body is provided with an air inlet connector and an air outlet connector, and the bottom of the beam body is provided with a water drain valve connector; brake valve connecting seats are symmetrically arranged on the lateral parts of the two sides of the middle part of the beam body; the beam body, the longitudinal beam connecting part and the balanced suspension thrust rod support are integrally cast and formed; all be equipped with the connecting plate between longeron connecting portion and the longeron, the connecting plate includes upper junction plate and lower connecting plate that all are the L type.
2. The light weight frame assembly adapted for an air suspension of claim 1, wherein: and the middle part of the beam body and the two sides of the water drain valve connector along the axis of the beam body are provided with first support reserved seats.
3. The light weight frame assembly adapted for an air suspension of claim 1, wherein: and second support reserved seats are arranged at the tops of the two ends of the beam body.
4. The light weight frame assembly adapted for an air suspension of claim 1, wherein: four brake valve connecting seats are arranged on each side of the beam body, and the brake valve connecting seats are arranged on the same side at intervals along the axis direction of the beam body.
5. The light weight frame assembly adapted for an air suspension of claim 4, wherein: the distance between the two brake valve connecting seats in the middle is smaller than the distance between the two brake valve connecting seats and the brake valve connecting seats on the two sides.
6. The light weight frame assembly adapted for an air suspension of claim 1, wherein: the end face of the longitudinal beam connecting portion is provided with bosses which can be in contact with the longitudinal beam.
7. The light weight frame assembly adapted for an air suspension of claim 1, wherein: the upper connecting plate is a strip-shaped sheet metal part and comprises a first part and a second part which are vertically arranged, and the sections of the first part and the second part along the length direction of the first part and the second part are rectangular; the second portion is provided with a plurality of first through holes at intervals along the length direction.
8. The light weight frame assembly adapted for an air suspension of claim 7, wherein: the middle edge of the second part is provided with a groove which is concave to the first part.
9. The light weight frame assembly adapted for an air suspension of claim 1, wherein: the lower connecting plate is a strip-shaped sheet metal part and comprises a third part and a fourth part which are vertically arranged, and the sections of the third part and the fourth part along the length direction of the third part and the fourth part are both rectangular; the third portion is provided with a plurality of second through holes at intervals along the length direction of the third portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693467.7U CN210235096U (en) | 2019-05-15 | 2019-05-15 | Lightweight frame assembly suitable for air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693467.7U CN210235096U (en) | 2019-05-15 | 2019-05-15 | Lightweight frame assembly suitable for air suspension |
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| Publication Number | Publication Date |
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| CN210235096U true CN210235096U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920693467.7U Active CN210235096U (en) | 2019-05-15 | 2019-05-15 | Lightweight frame assembly suitable for air suspension |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791953A (en) * | 2020-06-30 | 2020-10-20 | 东风商用车有限公司 | Integrally-formed lightweight cast beam assembly |
| CN112721564A (en) * | 2021-02-04 | 2021-04-30 | 中国重汽集团济南动力有限公司 | Light-weight balance shaft suspension |
| CN113997970A (en) * | 2021-09-26 | 2022-02-01 | 中车青岛四方机车车辆股份有限公司 | Pipe structure, bogie and rail vehicle |
| CN114850312A (en) * | 2022-06-14 | 2022-08-05 | 一汽解放汽车有限公司 | Preparation process of frame cross beam, frame assembly and vehicle |
-
2019
- 2019-05-15 CN CN201920693467.7U patent/CN210235096U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791953A (en) * | 2020-06-30 | 2020-10-20 | 东风商用车有限公司 | Integrally-formed lightweight cast beam assembly |
| CN112721564A (en) * | 2021-02-04 | 2021-04-30 | 中国重汽集团济南动力有限公司 | Light-weight balance shaft suspension |
| CN113997970A (en) * | 2021-09-26 | 2022-02-01 | 中车青岛四方机车车辆股份有限公司 | Pipe structure, bogie and rail vehicle |
| CN113997970B (en) * | 2021-09-26 | 2023-03-14 | 中车青岛四方机车车辆股份有限公司 | Pipe structure, bogie and rail vehicle |
| CN114850312A (en) * | 2022-06-14 | 2022-08-05 | 一汽解放汽车有限公司 | Preparation process of frame cross beam, frame assembly and vehicle |
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