CN212340664U - Vehicle frame for commercial vehicle cab road vibration simulation endurance test - Google Patents
Vehicle frame for commercial vehicle cab road vibration simulation endurance test Download PDFInfo
- Publication number
- CN212340664U CN212340664U CN202020757170.5U CN202020757170U CN212340664U CN 212340664 U CN212340664 U CN 212340664U CN 202020757170 U CN202020757170 U CN 202020757170U CN 212340664 U CN212340664 U CN 212340664U
- Authority
- CN
- China
- Prior art keywords
- endurance test
- frame
- road
- commercial vehicle
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a commercial car driver's cabin road simulation vibration endurance test uses frame includes along two longerons of longitudinal arrangement and sets up in order two by preceding to back on horizontal respectively first crossbeam, second crossbeam and third crossbeam between the longeron, the height of longeron and commercial car real vehicle frame longeron highly equal and adopt double-deck longeron. In the frame for the commercial vehicle cab road vibration simulation endurance test, the longitudinal beam adopts a double-layer beam structure, so that the strength of the longitudinal beam is improved, and the risk of cracking of the longitudinal beam in the test process is avoided; the front, middle and rear cross beams are connected with the double-layer longitudinal beam, the simple frame structure is adopted to meet the requirements of rigidity, strength and iteration precision in the test process, and the reliability and the test efficiency are greatly improved.
Description
Technical Field
The utility model relates to a commercial car technical field specifically indicates a commercial car driver's cabin road simulation vibration frame for endurance test.
Background
The durability test of the road simulation vibration of the cab of the commercial vehicle needs to assemble the cab of the commercial vehicle on a test frame (a half frame) through a suspension system, 7 actuators are connected with the test frame (the half frame) through an L plate clamp, and the durability test of the road simulation vibration of the cab is carried out through a road spectrum driving actuator.
The test frame adopted in the prior art scheme usually adopts a real vehicle frame to cut the front half, and the front half frame of the real vehicle frame is a single-layer longitudinal beam. The test frame adopts a real vehicle frame to cut the front half, and the real vehicle frame is generally a single-layer longitudinal beam due to cost reduction, so that the problems of insufficient rigidity and strength can be caused, the longitudinal beam and the cross beam of the test frame are easy to crack in the test process, the test efficiency is influenced, and the iteration precision is influenced due to insufficient rigidity.
Disclosure of Invention
An object of the utility model is to provide a commercial car driver's cabin road simulation vibration frame for endurance test can improve intensity and rigidity, guarantees road simulation vibration endurance test's reliability.
In order to realize the purpose, the utility model discloses a commercial car driver's cabin road simulation vibration endurance test is with frame includes along two longerons of longitudinal arrangement and sets up in order two by preceding to the back on horizontal respectively first crossbeam, second crossbeam and third crossbeam between the longeron, the height of longeron and commercial car real vehicle frame longeron highly equal and adopt double-deck longeron.
Preferably, the longitudinal beam is a U-shaped beam and comprises an outer layer beam and an inner layer beam which is embedded in the outer layer beam and riveted into a whole.
Preferably, the thickness of the outer layer beam is 8mm, and the thickness of the inner layer beam is 5 mm; the length of longeron is 3200mm, longeron upper and lower airfoil width is 90 mm.
Preferably, the two ends of the second cross beam are connected with the longitudinal beams on the two sides through bolts and are arranged between the connecting positions of the front vertical actuator L plate clamp and the rear vertical actuator L plate clamp for the road simulation vibration endurance test on the longitudinal beams.
Preferably, the second cross beam is arranged on a center line of a connecting position of a front vertical actuator L plate clamp and a connecting position of a rear vertical actuator L plate clamp for a road simulation vibration endurance test on the longitudinal beam.
Preferably, the second beam is a round tube beam or a back-to-back beam.
Preferably, two ends of the third cross beam are connected with the longitudinal beams on two sides through bolts and are arranged on the longitudinal beams behind the connecting position of the L-shaped plate clamp of the rear vertical actuator for the road simulation vibration endurance test.
Preferably, the third cross beam (3) is arranged on the longitudinal beam at a position which is more than 300mm away from the connecting position of an L plate clamp of a rear vertical actuator for the road simulation vibration endurance test.
Preferably, the third beam comprises two beam main bodies and four connecting plates, the two beam main bodies are U-shaped cross-section beams, the opening of the beam main body in the front faces forwards, the opening of the beam main body in the rear faces backwards, and the four connecting plates are respectively fixed to the upper end and the lower end of the left side and the upper end and the lower end of the right side of the two beam main bodies.
Preferably, the connecting plate is provided with side flanges, and the side flanges of the connecting plate are respectively connected with the longitudinal beam bolts on two sides.
The utility model has the advantages that: in the frame for the commercial vehicle cab road vibration simulation endurance test, the longitudinal beam adopts a double-layer beam structure, so that the strength of the longitudinal beam is improved, and the risk of cracking of the longitudinal beam in the test process is avoided; the front, middle and rear cross beams are connected with the double-layer longitudinal beam, the simple frame structure is adopted to meet the requirements of rigidity, strength and iteration precision in the test process, and the reliability and the test efficiency are greatly improved.
Drawings
Fig. 1 is a plan view of a vehicle frame for a road simulation vibration endurance test of a cab of a commercial vehicle according to a preferred embodiment of the present invention.
Fig. 2 is a side view of the vehicle frame for a road-simulated vibration endurance test of the cab of the commercial vehicle in fig. 1.
Fig. 3A and 3B are an axial sectional view and a side view of the second cross member in fig. 1, respectively.
Fig. 4A and 4B are a plan view and a front view of the third cross member in fig. 1, respectively.
Fig. 5A and 5B are a cross-sectional view and an exploded cross-sectional view of the side member in fig. 1, respectively.
Fig. 6 is a plan view of a vehicle frame for a road vibration simulation endurance test in a cab of a commercial vehicle according to another preferred embodiment of the present invention.
The components in the figures are numbered as follows: the first cross beam 1, the second cross beam 2, the third cross beam 3 (wherein, the cross beam main body 31, the connecting plate 32), and the longitudinal beam 4 (wherein, the outer layer beam 41, the inner layer beam 42).
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
Referring to fig. 1 and 2, the vehicle frame for the commercial vehicle cab road simulation vibration endurance test of the preferred embodiment of the present invention includes a longitudinal beam 4 and a first cross beam 1, a second cross beam 2 and a third cross beam 3 respectively transversely disposed between the two longitudinal beams 4, i.e. the vehicle frame for the commercial vehicle cab road simulation vibration endurance test adopts three cross beams of front (the first cross beam 1), middle (the second cross beam 2) and back (the third cross beam 3) to connect the longitudinal beams 4. In the illustrated embodiment, a vehicle body frame having a wide front and a narrow rear is used as an example.
The first cross beam 1 is arranged at the front end of the longitudinal beam 4, and two ends of the first cross beam are connected with the longitudinal beams 4 on two sides through bolts. The structure of the first cross beam 1 is consistent with that of a frame front cross beam of a commercial vehicle.
The second cross beam 2 is arranged in the middle of the longitudinal beam 4, and two ends of the second cross beam are respectively connected with the longitudinal beams 4 on two sides through bolts. The shape and structure of the second beam 2 are similar to those of the first beam 1, and the structure is shown in fig. 3A and 3B. In the illustrated embodiment, the second cross member 2 is a circular tubular member and is disposed on the side member 4 in the vicinity of the center line of the connecting position (the position of the chain line in fig. 1 and 2) of the L-plate clamps of the front and rear vertical actuators for the road vibration simulation durability test. The second cross beam 2 improves the rigidity and the strength of the frame, greatly reduces the risk of cracking at the joint of the cross beam and the longitudinal beam in the test process, and ensures the iteration precision.
The third cross beam 3 is arranged at the rear end of the longitudinal beam 4, and two ends of the third cross beam are respectively connected with the longitudinal beams 4 on two sides through bolts. The third beam 3 is a back-to-back beam, and the structure is as shown in fig. 4A and 4B. In the illustrated embodiment, the third cross member 3 is arranged on the side member 4 at a distance of more than 300mm from the attachment position of the L-plate clip of the rear vertical actuator for road-simulating vibration durability test (the position of the right-hand chain line in fig. 1 and 2).
As shown in fig. 4A and 4B, the third beam 3 is a back-to-back structure, and includes two beam main bodies 31 and four connecting plates 32. The two beam main bodies 31 are U-shaped cross-section beams and are arranged back to back in the front-rear direction, that is, the back plates of the two beam main bodies 31 are arranged back to back, the opening of the front beam main body 31 faces forward, and the opening of the rear beam main body 31 faces backward. The four connecting plates 32 are respectively disposed at the upper and lower ends of the left and right sides, that is, the left upper connecting plate 32 is connected to the left upper end surface (upper wing surface) of the front and rear beam main body 31, the left lower connecting plate 32 is connected to the left lower end surface (lower wing surface) of the front and rear beam main body 31, the right upper connecting plate 32 is connected to the right upper end surface (upper wing surface) of the front and rear beam main body 31, and the right lower connecting plate 32 is connected to the right lower end surface (lower wing surface) of the front and rear beam main body 31. The connecting plate 32 is a flanged plate, and the side flanges of the connecting plate 32 are respectively connected with the longitudinal beams 4 at two sides, so that the third cross beam 3 is fixed.
The shape of the longitudinal beam 4 is the same as that of a commercial vehicle real vehicle frame longitudinal beam, and the height H of the longitudinal beam 4 is equal to that of the real vehicle frame longitudinal beam. As shown in fig. 5A and 5B, the longitudinal beam 4 is a double-layer longitudinal beam, and includes an outer layer beam 41 and an inner layer beam 42, the outer layer beam 41 and the inner layer beam 42 have matching cross sections, and the inner layer beam 42 is just embedded into the outer layer beam 41 and riveted into a whole. The longitudinal beam 4 adopts a double-layer structure, so that the strength of the longitudinal beam can be improved, and the risk of cracking of the longitudinal beam in the test process is avoided. In the illustrated embodiment, the thickness D1 of the outer layer beam 41 is 8mm, and the thickness D2 of the inner layer beam 42 is 5 mm; the length of the longitudinal beam 4 is 3200mm, and the width W of the upper wing surface and the lower wing surface of the longitudinal beam 4 is 90 mm.
Please refer to fig. 6, which is a top view of a vehicle frame for a road vibration simulation endurance test of a cab of a commercial vehicle according to another preferred embodiment of the present invention. In the illustrated embodiment, the frame for the commercial vehicle cab road vibration simulation endurance test is a parallel structure frame, and the second cross beam 2 can also adopt a back-to-back structure which is the same as the third cross beam 3 on the premise that enough positions can be arranged. The rest of the structure is the same as that of the first preferred embodiment, and the description thereof is omitted.
As described above, the utility model discloses a frame for driver's cabin vibration endurance test compares with prior art and has following advantage at least:
(1) the longitudinal beam adopts a double-layer beam structure, so that the strength of the longitudinal beam is improved, and the risk of cracking of the longitudinal beam in the test process is avoided;
(2) the second cross beam is added in the middle of the longitudinal beam and is arranged near the center line of the connecting position of the front and rear vertical actuator L plate clamps, so that the rigidity and the strength of the frame are improved, the risk of cracking at the connecting part of the cross beam and the longitudinal beam in the test process is greatly reduced, and the iteration precision is ensured;
(3) the third cross beam is of a back-to-back structure and is arranged at a position which is larger than 300mm behind the connecting position of the L-plate clamp of the rear vertical actuator, so that the rigidity and the strength of the frame are improved, the cracking risk of the connecting position of the cross beam and the longitudinal beam in the test process is greatly reduced, and the iteration precision is ensured.
To sum up, the utility model discloses a double-deck longeron structure is connected to three crossbeams before, in, after adopting in commercial car driver's cabin road simulation vibration endurance test uses the frame, adopts simple frame structure to satisfy rigidity, intensity and iteration required precision in the test process, has promoted reliability and test efficiency by a wide margin.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a commercial car driver's cabin road simulation frame for vibration endurance test, includes two longerons (4) along longitudinal arrangement, its characterized in that: the frame further includes respectively transversely by preceding two to setting up in order after to first crossbeam (1), second crossbeam (2) and third crossbeam (3) between longeron (4), the height of longeron (4) equals and adopts double-deck longeron with the height of commercial vehicle frame longeron.
2. The commercial vehicle cab road vibration simulation endurance test frame of claim 1, wherein: the longitudinal beam (4) is a U-shaped beam and comprises an outer layer beam (41) and an inner layer beam (42) which is embedded in the outer layer beam (41) and riveted into a whole.
3. The commercial vehicle cab road vibration simulation endurance test frame of claim 2, wherein: the thickness of the outer layer beam (41) is 8mm, and the thickness of the inner layer beam (42) is 5 mm; the length of longeron (4) is 3200mm, longeron (4) upper and lower airfoil width is 90 mm.
4. The commercial vehicle cab road vibration simulation endurance test frame of claim 2, wherein: the two ends of the second cross beam (2) are connected with the longitudinal beam (4) on the two sides through bolts and are arranged between the connecting position of the L plate clamp of the front vertical actuator and the connecting position of the L plate clamp of the rear vertical actuator for the road simulation vibration endurance test on the longitudinal beam (4).
5. The commercial vehicle cab road vibration endurance test frame of claim 4, wherein: the second cross beam (2) is arranged on the center line of the connecting position of the L-shaped plate clamp of the front vertical actuator and the connecting position of the L-shaped plate clamp of the rear vertical actuator for the road simulation vibration endurance test on the longitudinal beam (4).
6. The commercial vehicle cab road vibration endurance test frame of claim 4, wherein: the second cross beam (2) adopts a round tube beam or a back-to-back beam.
7. The commercial vehicle cab road vibration endurance test frame of claim 4, wherein: the two ends of the third cross beam (3) are connected with the longitudinal beams (4) on the two sides through bolts and are arranged on the longitudinal beams (4) at the rear of the connecting position of the L-shaped plate clamp of the rear vertical actuator for the road simulation vibration endurance test.
8. The commercial vehicle cab road vibration simulation endurance test frame of claim 7, wherein: the third cross beam (3) is arranged on the longitudinal beam (4) at a position which is more than 300mm away from the connecting position of the L-shaped plate clamp of the rear vertical actuator for the road simulated vibration endurance test.
9. The commercial vehicle cab road vibration simulation endurance test frame of claim 7, wherein: the third cross beam (3) comprises two cross beam main bodies (31) and four connecting plates (32), the two cross beam main bodies (31) are U-shaped cross-section beams, the front cross beam main body (31) is provided with an opening facing forwards, the rear cross beam main body (31) is provided with an opening facing backwards, and the four connecting plates (32) are respectively fixed at the upper end and the lower end of the left side and the upper end and the lower end of the right side of the two cross beam main bodies (31).
10. The commercial vehicle cab road vibration simulation endurance test frame of claim 9, wherein: the connecting plate (32) is provided with side flanging, and the side flanging of the connecting plate (32) is respectively in bolt connection with the longitudinal beams (4) on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020757170.5U CN212340664U (en) | 2020-05-09 | 2020-05-09 | Vehicle frame for commercial vehicle cab road vibration simulation endurance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020757170.5U CN212340664U (en) | 2020-05-09 | 2020-05-09 | Vehicle frame for commercial vehicle cab road vibration simulation endurance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212340664U true CN212340664U (en) | 2021-01-12 |
Family
ID=74079671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020757170.5U Active CN212340664U (en) | 2020-05-09 | 2020-05-09 | Vehicle frame for commercial vehicle cab road vibration simulation endurance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212340664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984315A (en) * | 2021-11-30 | 2022-01-28 | 东风商用车有限公司 | Method and system for detecting bolt in vibration simulation test |
-
2020
- 2020-05-09 CN CN202020757170.5U patent/CN212340664U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984315A (en) * | 2021-11-30 | 2022-01-28 | 东风商用车有限公司 | Method and system for detecting bolt in vibration simulation test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101674971B (en) | Underframe for automobile | |
| CN212340664U (en) | Vehicle frame for commercial vehicle cab road vibration simulation endurance test | |
| CN113247094A (en) | Tractor frame | |
| CN201338655Y (en) | Low-floor passenger car frame | |
| CN211765900U (en) | Lower body structure of electric automobile | |
| CN105584529A (en) | Front-section assembly of leaf spring suspension chassis frame of low drive zone passenger car | |
| CN109318993A (en) | The mounting structure and automobile of automobile component | |
| CN106827995B (en) | Frame cross beam assembly formed by V-shaped thrust rod brackets | |
| CN111521410A (en) | Vehicle frame for commercial vehicle cab road vibration simulation endurance test | |
| CN204488930U (en) | A kind of tractor chassis structure | |
| CN213057210U (en) | Auxiliary frame and van vehicle | |
| CN108502027B (en) | Automobile body rear portion force transmission structure and automobile body | |
| CN201305035Y (en) | Front lower beam assembly of panel rear floor for vehicles | |
| US9296293B1 (en) | Vehicle load management structure | |
| CN210912615U (en) | Underbody structure for a load-bearing vehicle body | |
| CN203864803U (en) | Double-rear-axle type heavy truck frame | |
| CN218907371U (en) | Rear section frame and electric bus | |
| CN202449080U (en) | Strengthening structure for automobile floor framework | |
| CN218368020U (en) | Longitudinal beam grid structure at front floor | |
| CN204775497U (en) | Reinforcing plate in car A post | |
| CN214648594U (en) | Channel reinforcing structure in lower vehicle body | |
| CN213168078U (en) | Vehicle body chassis, rail vehicle body and rail vehicle | |
| CN211336197U (en) | Compartment floor | |
| CN216684628U (en) | Grid type rear floor structure | |
| CN213768714U (en) | Auxiliary frame of vehicle and vehicle with auxiliary frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |