CN210571419U - Static strength test vehicle body leveling device - Google Patents
Static strength test vehicle body leveling device Download PDFInfo
- Publication number
- CN210571419U CN210571419U CN201921899046.6U CN201921899046U CN210571419U CN 210571419 U CN210571419 U CN 210571419U CN 201921899046 U CN201921899046 U CN 201921899046U CN 210571419 U CN210571419 U CN 210571419U
- Authority
- CN
- China
- Prior art keywords
- controller
- supporting
- displacement sensors
- jack
- vehicle body
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a quiet test automobile body levelling device of intensity. The device includes: the device comprises a plurality of displacement sensors, a controller, a plurality of driving circuits and a plurality of jacks; the displacement sensors are respectively positioned at a plurality of supporting center plates of a process bogie for supporting the car body and are used for acquiring the heights of the corresponding supporting center plates; the plurality of displacement sensors, the plurality of driving circuits, the plurality of jacks and the plurality of supporting center plates are in one-to-one correspondence; the driving circuit is connected with the jack; the jack is positioned below the supporting core disc and is used for supporting the supporting core disc; the output ends of the displacement sensors are connected with the input end of the controller, and the output end of the controller is connected with the driving circuits; the controller is used for adjusting output signals of the plurality of driving circuits according to height data acquired by the plurality of displacement sensors, and further adjusting the extending height of the jack. The utility model discloses can make the experimental automobile body of static strength keep the level, improve the experimental degree of accuracy.
Description
Technical Field
The utility model relates to a quiet strength test field of automobile body especially relates to a quiet strength test automobile body leveling device.
Background
At present, when a static strength test of a motor train unit, an inter-city train and a large railway passenger train is carried out, the train body needs to fall on a manufactured process bogie, the design and the manufacture of the process bogie are only temporary tools designed for meeting the test requirements, and the design and the assembly of the process bogie are greatly different from those of a conventional bogie assembled by a train, and the defects of low manufacturing precision, poor assembly quality and the like are mainly reflected. The vehicle body is required to be in a horizontal state in the test process, if the vehicle body is not in the horizontal state, the transmission mode of the force is different from the actual condition in the force loading process during the test, the acquired stress value and displacement value data are inaccurate, and the danger of possible vehicle rollover can not be found in time if the vehicle body inclines.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quiet intensity test automobile body leveling device makes quiet intensity test automobile body keep the level, improves the experimental degree of accuracy.
In order to achieve the above object, the utility model provides a following scheme:
a static strength test car body leveling device comprises: the device comprises a plurality of displacement sensors, a controller, a plurality of driving circuits and a plurality of jacks;
the displacement sensors are respectively positioned at a plurality of supporting center plates of a process bogie for supporting the car body, and are used for acquiring the heights of the corresponding supporting center plates; the plurality of displacement sensors, the plurality of driving circuits, the plurality of jacks and the plurality of supporting center plates are in one-to-one correspondence; the driving circuit is connected with the jack; the jack is positioned below the supporting core disc and used for supporting the supporting core disc;
the output ends of the plurality of displacement sensors are connected with the input end of the controller, and the output end of the controller is connected with the plurality of driving circuits; the controller is used for adjusting output signals of the driving circuits according to height data acquired by the displacement sensors, and then adjusting the extending height of the jack.
Optionally, the method further includes: a plurality of hydraulic oil pumps; the jacks are all oil jacks; a plurality of drive circuit, a plurality of hydraulic oil pump and a plurality of hydraulic jack one-to-one, drive circuit's output with the control end of hydraulic oil pump is connected, the hydraulic oil pump pass through oil pipe with hydraulic jack connects.
Optionally, the driving circuit is configured to adjust a rotation direction of a motor of the hydraulic oil pump according to an adjustment signal of the controller.
Optionally, the method further includes: a low voltage power supply; and the power ends of the controller and the hydraulic oil pump are connected with the low-voltage power supply.
Optionally, the controller is a programmable control box, and each displacement sensor is connected to a signal line of the programmable controller.
Optionally, the method further includes: a control screen; the control screen is used for receiving the set height input by a user when the static strength test vehicle body leveling device is started; the input end of the controller is connected with the output end of the control screen, and the controller is used for receiving the set height input by the user; the output end of the controller is connected with the input end of the control screen, and the controller is used for sending the received heights of the plurality of supporting center plates to the control screen for displaying.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
at present, the leveling of a test vehicle body before the test is finished through manual operation, and under the general condition, an operator measures through a box ruler and manually presses a screw jack to finish the leveling. The manual measurement of the distance has the defects of measurement error and inaccurate reading, the height of each supporting center plate is extremely difficult to maintain on a horizontal plane, and the precision is extremely low; the height is not easy to control through manual adjustment, and the device is repeatedly adjusted, thereby wasting time and energy. During the test, the jack breaks down in the loading process, so that the vehicle body slightly moves down and cannot be found in time, and the test data is inaccurate. The utility model discloses a device passes through the height of displacement sensor control support center dish, and the error is only 0.05%, and is accurate reliable, carries out automatically regulated through programmable controller control moreover, does not need the manual work, has avoided because the bad consequence that people's maloperation caused. And the balance state of the vehicle can be monitored in real time in the test process, and the method is accurate, reliable and safe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of an embodiment 1 of the static strength test vehicle body leveling device of the present invention;
fig. 2 is the structural schematic diagram of the static strength test vehicle body leveling device of embodiment 2 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is the structure schematic diagram of the static strength test vehicle body leveling device of embodiment 1 of the present invention. As shown in fig. 1, the static strength test vehicle body leveling device of the present embodiment includes: a controller 101, a plurality of drive circuits 102, a plurality of jacks 103, and a plurality of displacement sensors 104.
The plurality of displacement sensors 104 are respectively located at a plurality of supporting center plates of a process bogie supporting the vehicle body, and the displacement sensors 104 are used for acquiring the heights of the corresponding supporting center plates. The driving circuit 102 is connected with the jack 103; the jack 103 is located below the supporting core plate and is used for supporting the supporting core plate.
The output ends of the plurality of displacement sensors 104 are connected with the input end of the controller 101, and the output end of the controller 101 is connected with the plurality of driving circuits 102; the controller 101 is configured to adjust output signals of the plurality of driving circuits 102 according to height data acquired by the plurality of displacement sensors 104, so as to adjust the extending height of the jack 103.
The plurality of displacement sensors 104, the plurality of driving circuits 102, the plurality of jacks 103 and the plurality of supporting core plates are in one-to-one correspondence, that is, each supporting core plate corresponds to a set of control equipment, the set of control equipment comprises one displacement sensor 104 for measuring the height of the supporting core plate, one jack 103 for adjusting the height of the supporting core plate, and one driving circuit 102 for driving the jack 103 to extend and retract, and the driving circuit 102 corresponding to each supporting core plate is controlled by the controller 101. The controller 101 determines whether all the supporting core discs are in a horizontal state according to data of all the displacement sensors, and if one of the supporting core discs is higher or lower than a set horizontal value, the controller 101 controls the driving circuit 102 corresponding to the supporting core disc to generate a driving signal to adjust the extending height of the jack 103 so as to enable the supporting core disc to be in the set horizontal value.
Fig. 2 is the structural schematic diagram of the static strength test vehicle body leveling device of embodiment 2 of the present invention. As shown in fig. 2, the static strength test vehicle body leveling device of the present embodiment includes: the hydraulic jack comprises a plurality of displacement sensors, a controller, a plurality of driving circuits, a plurality of hydraulic oil pumps and a plurality of oil jacks. A plurality of drive circuit, a plurality of hydraulic oil pump and a plurality of hydraulic jack one-to-one, drive circuit's output with the control end of hydraulic oil pump is connected, the hydraulic oil pump pass through oil pipe with hydraulic jack connects. Different from the embodiment 1, the jack of the embodiment adopts a hydraulic jack, and the corresponding driving circuit drives the rotation direction of the motor of the hydraulic oil pump so as to adjust the extension length of the jack. The connection relationship between other components is the same as in embodiment 1.
During the concrete implementation, the experimental automobile body levelling device of static strength that this embodiment provided still includes: a low voltage power supply; and the power ends of the controller and the hydraulic oil pump are connected with the low-voltage power supply. The controller is a programmable control box, and each displacement sensor is connected with a signal wire of the programmable controller. The static strength test automobile body levelling device that this embodiment provided still includes: a control screen; the control screen is used for receiving the set height input by a user when the static strength test vehicle body leveling device is started; the input end of the controller is connected with the output end of the control screen, and the controller is used for receiving the set height input by the user; the output end of the controller is connected with the input end of the control screen, and the controller is used for sending the received heights of the plurality of supporting center plates to the control screen for displaying.
The static strength test car body leveling device of this embodiment has two kinds of working methods: firstly, an automatic leveling working mode is adopted; and the other is a manual leveling working mode. An automatic/manual change-over switch is arranged on the programmable control box, and before leveling, a leveling mode is selected firstly. The test vehicle body is automatically leveled in an automatic leveling manner in general. The manual leveling system is used for leveling the vehicle body only when the automatic leveling system fails. The manual leveling mode is as follows: the automatic/manual change-over switch is turned to a manual position, the heights of the four supporting center plates are adjusted through the manual control hydraulic oil pump, and manual measurement is carried out through a box ruler when the heights of the four supporting center plates are adjusted.
Taking 4 supporting center plates on the process bogie as an example, four driving circuits are arranged in the programmable control box to respectively control four hydraulic oil pumps, and each hydraulic oil pump is connected with a corresponding jack through an oil pipe to control the jack to ascend and descend. Each displacement sensor is connected with a signal wire of the programmable controller, and the height of each core plate is fed back to the programmable controller. And the displacement sensor is arranged on the upper surface of the process bogie base and is positioned below each supporting center plate.
The working mode is as follows: and turning on a power switch, and turning on an automatic leveling mode or a manual leveling mode through an automatic/manual change-over switch. After the automatic leveling mode is selected, the system is automatically started, after the starting is completed, the interface firstly enters a height h interface which needs to be adjusted, the height value is determined according to different vehicle types, and after the height value is input, the programmable control box simultaneously reads the numerical values of the four displacement sensors, namely the heights of the four supporting center plates of the process bogie of the vehicle body according to the received height value. The set height value h is used as a reference value, the reference value and the values of the four displacement sensors are calculated, the value of the lifting of each supporting core plate is calculated, only subtraction operation is needed, and the calculation can be realized by adopting a common adder-subtractor. If the value needing to be increased is a positive value, the oil pump performs rising adjustment, and if the value needs to be increased is a negative value, the oil pump performs falling adjustment. And then calculating the pulse number required by the driving circuit according to the calculated numerical value required to be increased. And transmitting the calculated pulse number to a corresponding driving circuit, controlling the hydraulic oil cylinder, adjusting the motor of the hydraulic oil cylinder to rotate forwards or reversely, and slowly extending or retracting the oil jack to enable each core disc to reach a preset height so as to achieve the leveling purpose. When the supporting center plate needs to be lifted by a value of 0mm, the leveling process is finished.
The height of the supporting center plate is monitored through the displacement sensor, the error is only +/-0.05%, the method is accurate and reliable, automatic adjustment is carried out through the control of the programmable controller, manual work is not needed, and adverse consequences caused by misoperation of people are avoided. And the balance state of the vehicle can be monitored in real time in the test process, and the method is accurate, reliable and safe.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. The utility model provides a quiet intensity test automobile body levelling device which characterized in that includes: the device comprises a plurality of displacement sensors, a controller, a plurality of driving circuits and a plurality of jacks;
the displacement sensors are respectively positioned at a plurality of supporting center plates of a process bogie for supporting the car body, and are used for acquiring the heights of the corresponding supporting center plates; the plurality of displacement sensors, the plurality of driving circuits, the plurality of jacks and the plurality of supporting center plates are in one-to-one correspondence; the driving circuit is connected with the jack; the jack is positioned below the supporting core disc and used for supporting the supporting core disc;
the output ends of the plurality of displacement sensors are connected with the input end of the controller, and the output end of the controller is connected with the plurality of driving circuits; the controller is used for adjusting output signals of the driving circuits according to height data acquired by the displacement sensors, and then adjusting the extending height of the jack.
2. The static strength test vehicle body leveling device according to claim 1, further comprising: a plurality of hydraulic oil pumps; the jacks are all oil jacks; a plurality of drive circuit, a plurality of hydraulic oil pump and a plurality of hydraulic jack one-to-one, drive circuit's output with the control end of hydraulic oil pump is connected, the hydraulic oil pump pass through oil pipe with hydraulic jack connects.
3. The static strength test vehicle body leveling device according to claim 2, wherein the driving circuit is configured to adjust a rotation direction of a motor of the hydraulic oil pump according to an adjustment signal of the controller.
4. The static strength test vehicle body leveling device according to claim 2, further comprising: a low voltage power supply; and the power ends of the controller and the hydraulic oil pump are connected with the low-voltage power supply.
5. The static strength test vehicle body leveling device according to claim 1, wherein the controller is a programmable control box, and each displacement sensor is connected with a signal wire of the programmable controller.
6. The static strength test vehicle body leveling device according to claim 1, further comprising: a control screen; the control screen is used for receiving the set height input by a user when the static strength test vehicle body leveling device is started; the input end of the controller is connected with the output end of the control screen, and the controller is used for receiving the set height input by the user; the output end of the controller is connected with the input end of the control screen, and the controller is used for sending the received heights of the plurality of supporting center plates to the control screen for displaying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921899046.6U CN210571419U (en) | 2019-11-06 | 2019-11-06 | Static strength test vehicle body leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921899046.6U CN210571419U (en) | 2019-11-06 | 2019-11-06 | Static strength test vehicle body leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210571419U true CN210571419U (en) | 2020-05-19 |
Family
ID=70635264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921899046.6U Active CN210571419U (en) | 2019-11-06 | 2019-11-06 | Static strength test vehicle body leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210571419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551375A (en) * | 2020-07-01 | 2020-08-18 | 河北京车轨道交通车辆装备有限公司 | Vehicle body static strength vehicle lifting test system and method |
| CN112964443A (en) * | 2021-03-04 | 2021-06-15 | 合肥维信诺科技有限公司 | Falling ball testing device |
| CN114703909A (en) * | 2022-05-07 | 2022-07-05 | 水利部交通运输部国家能源局南京水利科学研究院 | Offshore wind power cylinder type foundation model test sinking auxiliary device and using method |
-
2019
- 2019-11-06 CN CN201921899046.6U patent/CN210571419U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551375A (en) * | 2020-07-01 | 2020-08-18 | 河北京车轨道交通车辆装备有限公司 | Vehicle body static strength vehicle lifting test system and method |
| CN112964443A (en) * | 2021-03-04 | 2021-06-15 | 合肥维信诺科技有限公司 | Falling ball testing device |
| CN114703909A (en) * | 2022-05-07 | 2022-07-05 | 水利部交通运输部国家能源局南京水利科学研究院 | Offshore wind power cylinder type foundation model test sinking auxiliary device and using method |
| CN114703909B (en) * | 2022-05-07 | 2022-12-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Offshore wind power cylinder type foundation model test sinking auxiliary device and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210571419U (en) | Static strength test vehicle body leveling device | |
| CN204495337U (en) | A kind of self-level(l)ing device for laser forming | |
| CN109084149B (en) | Electromechanical automatic leveling rotating base | |
| CN107830840B (en) | Movable electric-drive automatic leveling device and leveling method thereof | |
| CN111412811A (en) | Size detection equipment for intelligent pantograph carbon slide plate and detection method thereof | |
| CN108663274A (en) | The very heavy very useful three axis the static and dynamic experiment machine of one kind and test method | |
| CN203798678U (en) | Tire mold pressure test device | |
| CN111252692A (en) | Automatic jacking and posture adjusting device for airplane | |
| CN216955439U (en) | Concrete strength detection device for building engineering quality detection | |
| CN214473798U (en) | Automatic lifting device for gas relay calibration | |
| CN113959772A (en) | Sampling and drilling device and method for wall surface concrete quality detection | |
| CN114161171A (en) | Precision numerical control machine tool | |
| CN111805302A (en) | Machine tool leveling device and leveling method | |
| CN105091809B (en) | The self-level(l)ing device and method of finished car three-dimensional coordinates measurement | |
| CN201476970U (en) | Suspension-loading test platform | |
| CN205426098U (en) | Finished car three -coordinates measuring's automatic levelling device | |
| CN213580112U (en) | Car body gravity center positioning device based on Internet of things | |
| CN111551375A (en) | Vehicle body static strength vehicle lifting test system and method | |
| JP2000107962A (en) | Automatic horizontal setting device | |
| CN216771104U (en) | Wall surface concrete quality testing is with sample drilling equipment | |
| CN213890493U (en) | A body trimming equipment for nixing pottery | |
| CN209819136U (en) | Automatic leveling compensation device for servo motor | |
| CN220829199U (en) | Anode guide rod straightness detection device | |
| CN217465758U (en) | Bearing axial clearance measuring equipment | |
| CN210774632U (en) | Shafting load measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |