CN217403804U - Experimental device for improve experimental precision of car barycenter - Google Patents
Experimental device for improve experimental precision of car barycenter Download PDFInfo
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- CN217403804U CN217403804U CN202123133693.6U CN202123133693U CN217403804U CN 217403804 U CN217403804 U CN 217403804U CN 202123133693 U CN202123133693 U CN 202123133693U CN 217403804 U CN217403804 U CN 217403804U
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Abstract
The utility model provides an experimental device for improving the precision of an automobile mass center test, which belongs to the technical field of side-turning tests, when in use, firstly, an automobile is stopped on a bearing platform, a cylinder rod of a side-turning oil cylinder extends out, under the reaction force of a fixed seat, a movable fixed lug drives a side-turning platform to take a rotating shaft between the movable fixed lug and a side-turning support seat as a rotating point, and the side-turning platform starts to turn, thereby realizing the side-turning test of the automobile; when the side-turning table turns on side, the bearing table also turns on side along with the side, and the bearing table is connected with the side-turning table through the bull's eye movable joint, the reaction force of the bull's eye movable joint on the side-turning table is offset with the lateral force of the weighing component, and the friction resistance of the pulley and the slide rail is small, so that the bending stress of the weighing component caused by the lateral force can be ignored, the weighing sensor can be normally used in a side-turning test, and the weighing precision of the weighing sensor during side-turning is improved.
Description
Technical Field
The utility model belongs to the technical field of the experiment of turning on one's side, especially, relate to an improve experimental apparatus of car barycenter test precision.
Background
The roll stability angle of the automobile is an important index for evaluating the running safety of the automobile, and the roll stability angles and test methods of various automobile types are clearly required in the standards GB7258-2017 and GB/T14172-2009. The test is mainly realized by driving a tested vehicle to turn over together through the rollover test bed.
When a traditional automobile side-turning device is used in a test, the weighing module cannot accurately weigh a test automobile due to the fact that an automobile body inclines.
Therefore, the invention is very necessary to provide an experimental device for improving the precision of the automobile mass center test.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an improve experimental apparatus of car barycenter test precision to traditional car device of turning on one's side that provides in solving the background art is experimental, owing to take place the automobile body and take place the slope, leads to the unable accurate problem of weighing to the test automobile of weighing module. An experimental device for improving the test precision of the mass center of an automobile comprises a side overturning platform, wherein a sliding rail is fixedly arranged above the side overturning platform; the slide rail is connected with a weighing component in a sliding way, and the top of the weighing component is provided with a bearing platform; two ends of the bearing table are connected with the side overturning table through bull eye movable joints; an oil cylinder fixing lug is fixedly arranged on one side of the side overturning platform; a side-turning oil cylinder is arranged in the oil cylinder fixing lug, and a fisheye joint is arranged at the end part of a cylinder rod of the side-turning oil cylinder; the fisheye joint is movably connected with the fixed seat through a rotating shaft.
As a further technical proposal of the utility model, the side-tipping platform is arranged in a U shape; the number of the sliding rails is three; the weighing components are provided with six groups, each three groups are one row, and each row of the weighing components are fixedly connected through a connecting rod.
As a further technical scheme of the utility model, the lower end of the side-turn table far away from the side of the oil cylinder fixing lug is fixedly provided with a movable fixing lug; the movable fixing lug is connected with the side-turning supporting seat through a rotating shaft.
As a further technical scheme of the utility model, the both sides of plummer be provided with six bull's eye freely movable joint, and every side is provided with threely.
As a further technical scheme of the utility model, the weighing component comprises a pulley, the pulley is installed on the installation frame through a rotating shaft, and a weighing sensor is fixedly installed at the top of the installation frame; the weighing sensor is contacted with the bottom of the bearing table.
As a further technical proposal of the utility model, the cross section of the slide rail is designed into a trapezoidal shape; the middle of the pulley is provided with a groove which can be clamped with the slide rail.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, when in use, the automobile is firstly stopped on the bearing platform, the cylinder rod of the side-turning oil cylinder extends out, and under the reaction force of the fixed seat, the movable fixing lug drives the side-turning platform to take the rotating shaft between the movable fixing lug and the side-turning support seat as a rotating point and start turning, thereby realizing the side-turning test of the automobile;
2. the utility model discloses in, when the platform of turning on one's side takes place to turn on one's side, the plummer is the same to be followed and takes place to turn on one's side, because through bull's eye swing joint connection between plummer and the platform of turning on one's side, bull's eye swing joint receives the reaction force of the platform of turning on one's side and offsets with the subassembly yawing force of weighing, and the frictional force resistance of pulley and slide rail is less moreover, and consequently the bending stress that the subassembly of weighing received the yawing force and arouses can be ignored, and weighing sensor can be normal use in the experiment of heeling to weighing sensor's the precision of weighing when turning on one's side has been improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a bottom view of fig. 1 of the present invention;
fig. 3 is a schematic plan view of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3 according to the present invention;
fig. 5 is an enlarged schematic view of the position B of fig. 3 in the present invention.
In the figure:
1-side overturning platform, 2-sliding rail, 3-weighing component, 4-bearing platform, 5-side-slipping prevention retaining beam, 6-bull-eye movable joint, 7-movable fixing lug, 8-side overturning supporting seat, 9-side overturning oil cylinder, 10-oil cylinder fixing lug, 11-fisheye joint, 12-fixing seat, 31-pulley, 32-mounting rack and 33-weighing sensor.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1-5
The utility model provides an experimental device for improving the precision of an automobile mass center test, which comprises a side-turn table 1, wherein a slide rail 2 is fixedly arranged above the side-turn table 1; the slide rail 2 is connected with a weighing component 3 in a sliding way, and the top of the weighing component 3 is provided with a bearing platform 4; one end of the bearing table 4 is provided with a side-slipping prevention stop beam 5, and two ends of the bearing table 4 are connected with the side-turning table 1 through a bull eye movable joint 6; an oil cylinder fixing lug 10 is fixedly arranged on one side of the side overturning platform 1; a side-turning oil cylinder 9 is arranged in the oil cylinder fixing lug 10, and a fisheye joint 11 is arranged at the end part of a cylinder rod of the side-turning oil cylinder 9; the fisheye joint 11 is movably connected with the fixed seat 12 through a rotating shaft.
In the embodiment, the side overturning platform 1 is arranged in a U shape; three sliding rails 2 are arranged; the weighing components 3 are provided with six groups, each three groups are one row, and each row of the weighing components 3 are fixedly connected through a connecting rod.
Specifically, the force brought to the bearing table 4 by the automobile when the automobile turns over can be uniformly distributed and detected through the weighing assemblies 3, and the whole stress analysis precision of the bearing table 4 is improved.
In the embodiment, the lower end of the side turning platform 1 far away from the oil cylinder fixing lug 10 is fixedly provided with a movable fixing lug 7; the movable fixing lug 7 is connected with the side-turning supporting seat 8 through a rotating shaft.
Specifically, when the rollover test device is used, firstly, an automobile is stopped on the bearing platform 4, the cylinder rod of the rollover oil cylinder 9 extends out, and under the reaction force of the fixed seat 12, the movable fixing lug 7 drives the rollover platform 1 to rotate by taking the rotating shaft between the movable fixing lug 7 and the rollover supporting seat 8 as a rotating point and begin to overturn, so that the rollover test of the automobile is realized.
In this embodiment, six bull-eye movable joints 6 are arranged on two sides of the bearing table 4, and three bull-eye movable joints are arranged on each side; the weighing assembly 3 comprises a pulley 31, the pulley 31 is mounted on a mounting frame 32 through a rotating shaft, and a weighing sensor 33 is fixedly mounted at the top of the mounting frame 32; the weighing sensor 33 is contacted with the bottom of the bearing table 4; the cross section of the slide rail 2 is designed into a trapezoidal shape; the middle of the pulley 31 is provided with a groove which can be clamped with the slide rail 2.
Specifically, when the side-tipping platform 1 turns over, the bearing platform 4 turns over along with the side, because the bearing platform 4 is connected with the side-tipping platform 1 through the bull-eye movable joint 6, the reaction force of the bull-eye movable joint 6 on the side-tipping platform 1 offsets the lateral force of the weighing component 3, and the friction resistance of the pulley 31 and the slide rail 2 is small, the bending stress of the weighing component 3 caused by the lateral force can be ignored, the weighing sensor 33 can be normally used in the side-tipping test, and thus the weighing precision of the weighing sensor 33 during the side-tipping is improved.
Principle of operation
When the utility model is used, firstly, the automobile is stopped on the bearing platform 4, the cylinder rod of the side-turning oil cylinder 9 extends out, and under the reaction force of the fixed seat 12, the movable fixed lug 7 drives the side-turning platform 1 to rotate by taking the rotating shaft between the movable fixed lug 7 and the side-turning supporting seat 8 as a rotating point and start turning, thereby realizing the side-turning test of the automobile; when the side-turning platform 1 turns over, the bearing platform 4 also turns over along with the side, because the bearing platform 4 is connected with the side-turning platform 1 through the bull-eye movable joint 6, the reaction force of the bull-eye movable joint 6 on the side-turning platform 1 offsets the lateral force of the weighing component 3, and the friction resistance of the pulley 31 and the slide rail 2 is small, the bending stress of the weighing component 3 caused by the lateral force can be ignored, the weighing sensor 33 can be normally used in the side-turning test, and thus the weighing precision of the weighing sensor 33 during the side-turning is improved.
Utilize technical scheme, or technical staff in the field is in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (6)
1. The utility model provides an improve experimental apparatus of car barycenter test precision which characterized in that: the device comprises a side overturning platform (1), wherein a sliding rail (2) is fixedly arranged above the side overturning platform (1); the slide rail (2) is connected with a weighing component (3) in a sliding way, and the top of the weighing component (3) is provided with a bearing platform (4); two ends of the bearing table (4) are connected with the side-turning table (1) through a bull eye movable joint (6); an oil cylinder fixing lug (10) is fixedly arranged on one side of the side overturning platform (1); a side-turning oil cylinder (9) is arranged in the oil cylinder fixing lug (10), and a fisheye joint (11) is arranged at the end part of a cylinder rod of the side-turning oil cylinder (9); the fisheye joint (11) is movably connected with the fixed seat (12) through a rotating shaft.
2. The experimental device for improving the accuracy of the mass center test of the automobile according to claim 1, wherein: the side overturning platform (1) is arranged in a U shape; three sliding rails (2) are arranged; the weighing components (3) are provided with six groups, each three groups are one row, and each row of the weighing components (3) are fixedly connected through a connecting rod.
3. The experimental device for improving the accuracy of the mass center test of the automobile as claimed in claim 2, wherein: the lower end of one side of the side overturning platform (1) far away from the oil cylinder fixing lug (10) is fixedly provided with a movable fixing lug (7); the movable fixing lug (7) is connected with the side-turning supporting seat (8) through a rotating shaft.
4. The experimental device for improving the accuracy of the mass center test of the automobile as claimed in claim 3, wherein: two sides of the bearing table (4) are provided with six bull's eye movable joints (6), and each side is provided with three.
5. The experimental device for improving the accuracy of the mass center test of the automobile as claimed in claim 3, wherein: the weighing component (3) comprises a pulley (31), the pulley (31) is mounted on a mounting frame (32) through a rotating shaft, and a weighing sensor (33) is fixedly mounted at the top of the mounting frame (32); the weighing sensor (33) is in contact with the bottom of the bearing table (4).
6. The experimental device for improving the accuracy of the mass center test of the automobile as claimed in claim 5, wherein: the cross section of the sliding rail (2) is designed into a trapezoidal shape; the middle of the pulley (31) is provided with a groove which can be clamped with the sliding rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123133693.6U CN217403804U (en) | 2021-12-14 | 2021-12-14 | Experimental device for improve experimental precision of car barycenter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123133693.6U CN217403804U (en) | 2021-12-14 | 2021-12-14 | Experimental device for improve experimental precision of car barycenter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217403804U true CN217403804U (en) | 2022-09-09 |
Family
ID=83131705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123133693.6U Active CN217403804U (en) | 2021-12-14 | 2021-12-14 | Experimental device for improve experimental precision of car barycenter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217403804U (en) |
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2021
- 2021-12-14 CN CN202123133693.6U patent/CN217403804U/en active Active
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