CN114136579A - Automatic change whole car anti-wind test device - Google Patents
Automatic change whole car anti-wind test device Download PDFInfo
- Publication number
- CN114136579A CN114136579A CN202111429469.3A CN202111429469A CN114136579A CN 114136579 A CN114136579 A CN 114136579A CN 202111429469 A CN202111429469 A CN 202111429469A CN 114136579 A CN114136579 A CN 114136579A
- Authority
- CN
- China
- Prior art keywords
- cross beam
- vertical
- gear
- adjusting bolt
- guide wheel
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000008859 change Effects 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000005012 migration Effects 0.000 claims description 22
- 238000013508 migration Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
An automatic wind resistance test device for a whole vehicle comprises a support, a cross beam, a horizontal moving mechanism, a vertical moving mechanism and an electric winch, wherein the support comprises a vertical beam; the horizontal moving mechanism comprises a connecting frame, a first rack, a first gear, a first speed reducing motor, a horizontal guide rail and a first sliding block, wherein the first rack and the horizontal guide rail are fixedly connected with a cross beam; the electric capstan is mounted on the connecting frame. The invention can realize automatic adjustment of the tension point, and belongs to the field of wind resistance tests.
Description
Technical Field
The invention relates to the field of wind resistance tests, in particular to an automatic wind resistance test device for a whole vehicle.
Background
The whole vehicle wind resistance test is an important test in the whole vehicle test, for example, standards such as GJB 2093A-2012 universal test method for military shelter provide a wind simulation test method for whole vehicle equipment (including shelter), when the test is performed, the position of a tension point needs to be controlled, and when the tension point is adjusted, a climbing operation is usually required, and a test error is easily generated by manual operation.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: the automatic wind resistance test device for the whole vehicle can automatically control the position of a pulling force point.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic wind resistance test device for a whole vehicle comprises a support, a cross beam, a horizontal moving mechanism, a vertical moving mechanism and an electric winch, wherein the support comprises a vertical beam; the horizontal moving mechanism comprises a connecting frame, a first rack, a first gear, a first speed reducing motor, a horizontal guide rail and a first sliding block, wherein the first rack and the horizontal guide rail are fixedly connected with a cross beam; the electric capstan is mounted on the connecting frame. After adopting this kind of structure, electric capstan is used for providing the required pulling force of anti-wind test, and electric capstan can move about from top to bottom along with horizontal migration mechanism and vertical movement mechanism, realizes the automatic adjustment of pulling force point.
Preferably, the device further comprises a first electromagnet device and a second electromagnet device, the first electromagnet device is fixed on the connecting frame, the connecting frame is used for attracting the cross beam through the first electromagnet device, the second electromagnet device is fixed on the cross beam, and the cross beam is used for attracting the vertical beam through the second electromagnet device. After the structure is adopted, the cross beam and the vertical beam are both steel structures, and the movement and the fixation of the tension point can be effectively controlled by switching on and off the first electromagnet device and the second electromagnet device.
Preferably, the laser ranging device further comprises a first laser ranging instrument and a second laser ranging instrument, wherein the first laser ranging instrument is installed on the cross beam, and the second laser ranging instrument is installed on the vertical beam. After the structure is adopted, the first laser range finder is used for measuring the position of the horizontal moving mechanism on the cross beam, and the second laser range finder is used for measuring the position of the vertical moving mechanism on the vertical beam, so that the monitoring and feedback of the position of the tension point are realized, and the purpose of accurate adjustment is achieved.
Preferably, the device further comprises a first photoelectric switch and a second photoelectric switch, wherein the first photoelectric switch is arranged on the cross beam, and the second photoelectric switch is arranged on the vertical beam; the crossbeam includes the horizontal migration region, and horizontal migration mechanism removes in the first region, and first photoelectric switch installs in the both ends of horizontal region, erects the roof beam and includes the vertical migration region, and vertical migration mechanism removes in the vertical migration region, and second photoelectric switch installs in the both ends of vertical migration region. After the structure is adopted, the moving ranges of the horizontal moving mechanism and the vertical moving mechanism are respectively controlled through the first photoelectric switch and the second photoelectric switch, and the position of a tool tension point can be accurately positioned by matching with a laser range finder.
Preferably, the horizontal movement mechanism further comprises a guide wheel assembly, the guide wheel assembly comprises a guide wheel support and a guide wheel, the guide wheel is rotatably connected with the guide wheel support, the guide wheel support is mounted on the connecting frame, the axis of the guide wheel is vertical, the side face of the guide wheel is in contact with the inner wall of the cross beam, and when the connecting frame moves, the guide wheel rolls along the inner wall of the cross beam. After adopting this kind of structure, the guide pulley removes along the inboard of crossbeam, can play supplementary directional effect, and can bear the weight of pulling force during the experiment.
Preferably, the guide wheel support is movably connected with the connecting frame, a third adjusting bolt is arranged between the guide wheel support and the connecting frame and is in threaded connection with the guide wheel support, the third adjusting bolt is provided with a tail end and a head end, the tail end of the third adjusting bolt abuts against the connecting frame, and the tail end of the third adjusting bolt is far away from the inner wall of the cross beam relative to the head end. After the structure is adopted, the guide wheel support is provided with the strip-shaped through hole, the guide wheel support is installed on the connecting frame through the installation bolt, the installation bolt penetrates through the strip-shaped through hole and is screwed into the connecting frame, the strip-shaped through hole and the installation bolt can move relatively, and therefore the guide wheel support can move on the connecting frame. Through the rotation of third adjusting bolt, make its tail end top tightly connect the frame, and then make the guide pulley paste the inner wall of crossbeam tightly.
Preferably, the cross beam is I-shaped steel and comprises a web plate, a front wing plate and a rear wing plate, the web plate is horizontally arranged and located between the front wing plate and the rear wing plate, and the guide wheel is located between the front wing plate and the rear wing plate. After the structure is adopted, the guide wheel is respectively clung to the inner walls of the front wing plate and the rear wing plate, and can be accurately oriented.
Preferably, the laser device also comprises a word line laser device, and the word line laser device is arranged on the connecting frame. After the structure is adopted, the linear laser is positioned at the front end of the connecting frame and can be used for controlling the deflection angle range of the pulling force.
Preferably, the vertical moving mechanism comprises a second speed reduction motor, a second rack, a second gear, a vertical guide rail and a second sliding block; the second rack and the vertical guide rail are fixedly connected with the vertical beam, the second slider is fixedly connected with the cross beam, the second slider is connected with the vertical guide rail in a sliding mode, the second gear is meshed with the second rack, the axis of the second gear is horizontal, the second gear is rotatably connected with the cross beam, the second gear is connected with the second gear and drives the second gear to rotate, and the second gear drives the cross beam to move up and down. By adopting the structure, the height of the cross beam can be accurately controlled.
Preferably, the vertical moving mechanism further comprises a first fixing piece, a first adjusting bolt, a second fixing piece and a second adjusting bolt, a second speed reducing motor is connected with a second gear through a transmission shaft, the transmission shaft is connected with the cross beam through a bearing seat, and the second speed reducing motor is installed on the cross beam through a motor base; the first fixing piece and the second fixing piece are fixedly connected with the cross beam, the first adjusting bolt is connected with the first fixing piece in a rotating mode, the bearing seat is connected with the first adjusting bolt in a threaded mode, the second adjusting bolt is connected with the second fixing piece in a rotating mode, and the motor base is connected with the second adjusting bolt in a threaded mode. After the structure is adopted, the position of the transmission shaft can be adjusted by rotating the first adjusting bolt and the second adjusting bolt, and then the position of the second gear is adjusted, so that good meshing transmission between the second gear and the second rack is ensured.
In summary, the present invention has the following advantages: the position of the tension point can be automatically adjusted, and the device is stable and reliable.
Drawings
Fig. 1 is a perspective view of an automatic wind resistance test device for a whole vehicle.
Fig. 2 is a perspective view of the horizontal movement mechanism connected to the cross member.
Fig. 3 is a perspective view of the internal structure of the horizontal movement mechanism.
Fig. 4 is an internal configuration diagram of the horizontal movement mechanism.
Fig. 5 is a perspective view of the connection of the vertical moving mechanism and the cross member.
Fig. 6 is a top view of the vertical moving mechanism, the cross beam, and the vertical beam.
Wherein, 1 is vertical beam, 2 is the crossbeam, and 3 is horizontal migration mechanism, and 4 are vertical migration mechanism, and 5 are electric capstan, and 6 are a word line laser instrument, and 7 are first electromagnet device, and 8 are second electromagnet device.
31 is a connecting frame, 32 is a first rack, 33 is a first gear, 34 is a first speed reducing motor, 35 is a horizontal guide rail, 36 is a first sliding block, 37 is a guide wheel, 38 is a guide wheel support, and 39 is a third adjusting bolt.
41 is the second rack, 42 is the second gear, 43 is the second gear motor, 44 is vertical guide rail, 45 is the second slider, 46 is the motor cabinet, 47 is the bearing frame, 48 is first mounting, 49 is the second mounting.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Example one
As shown in fig. 1 to 6, an automatic wind resistance test device for a whole vehicle comprises a support, a cross beam, a horizontal moving mechanism, a vertical moving mechanism and an electric winch, wherein the support comprises a vertical beam, the horizontal moving mechanism is connected with the cross beam, the cross beam is connected with the vertical beam through the vertical moving mechanism, and the vertical moving mechanism drives the cross beam to move up and down; the horizontal moving mechanism comprises a connecting frame, a first rack, a first gear, a first speed reducing motor, a horizontal guide rail and a first sliding block, wherein the first rack and the horizontal guide rail are fixedly connected with a cross beam; the electric capstan is mounted on the connecting frame. After adopting this kind of structure, electric capstan is used for providing the required pulling force of anti-wind test, and electric capstan can move about from top to bottom along with horizontal migration mechanism and vertical movement mechanism, realizes the automatic adjustment of pulling force point.
The first electromagnet device is fixed on the connecting frame, the connecting frame is attracted to the cross beam through the first electromagnet device, the second electromagnet device is fixed on the cross beam, and the cross beam is attracted to the vertical beam through the second electromagnet device. After the structure is adopted, the cross beam and the vertical beam are both steel structures, and the movement and the fixation of the tension point can be effectively controlled by switching on and off the first electromagnet device and the second electromagnet device.
Still include first laser range finder and second laser range finder, first laser range finder installs on the crossbeam, and second laser range finder installs on erecting the roof beam. After the structure is adopted, the first laser distance meter is used for measuring the position of the horizontal moving mechanism on the cross beam, and the second laser distance meter is used for measuring the position of the vertical moving mechanism on the vertical beam.
The device also comprises a first photoelectric switch and a second photoelectric switch, wherein the first photoelectric switch is arranged on the cross beam, and the second photoelectric switch is arranged on the vertical beam; the crossbeam includes the horizontal migration region, and horizontal migration mechanism removes in the first region, and first photoelectric switch installs in the both ends of horizontal region, erects the roof beam and includes the vertical migration region, and vertical migration mechanism removes in the vertical migration region, and second photoelectric switch installs in the both ends of vertical migration region. After the structure is adopted, the moving ranges of the horizontal moving mechanism and the vertical moving mechanism are respectively controlled through the first photoelectric switch and the second photoelectric switch, and the position of a tool tension point can be accurately positioned by matching with a laser range finder.
The horizontal movement mechanism further comprises a guide wheel assembly, the guide wheel assembly comprises a guide wheel support and a guide wheel, the guide wheel is rotatably connected with the guide wheel support, the guide wheel support is installed on the connecting frame, the axis of the guide wheel is vertical, the side face of the guide wheel is in contact with the inner wall of the cross beam, and when the connecting frame moves, the guide wheel rolls along the inner wall of the cross beam. After adopting this kind of structure, the guide pulley removes along the inboard of crossbeam, can play supplementary directional effect, and can bear the weight of pulling force during the experiment.
Guide pulley support and connection frame swing joint are equipped with third adjusting bolt between guide pulley support and the connection frame, and third adjusting bolt and guide pulley support threaded connection, third adjusting bolt have tail end and head end, and the connection frame is withstood to third adjusting bolt's tail end, and the inner wall of crossbeam is kept away from for the head end to third adjusting bolt's tail end. After the structure is adopted, the tail end of the third adjusting bolt is tightly propped against the connecting frame through the rotation of the third adjusting bolt, and then the guide wheel is tightly attached to the inner wall of the cross beam.
The crossbeam is the I-steel, and the crossbeam includes web, preceding pterygoid lamina, back pterygoid lamina, and the web level sets up and is located between preceding pterygoid lamina and the back pterygoid lamina, and the guide pulley is located between preceding pterygoid lamina and the back pterygoid lamina. After the structure is adopted, the horizontal guide rail is fixed above the web plate, and the rack is fixed below the web plate. Each horizontal movement mechanism comprises 8 guide wheel assemblies, wherein four guide wheels are tightly attached to the inner wall of the front wing plate, and the other four guide wheels are tightly attached to the inner wall of the rear wing plate, so that the horizontal movement mechanism can be accurately oriented.
The laser device also comprises a word line laser device which is arranged on the connecting frame. After the structure is adopted, the linear laser is positioned at the front end of the connecting frame and can be used for controlling the deflection angle range of the pulling force.
The vertical moving mechanism comprises a second speed reducing motor, a second rack, a second gear, a vertical guide rail and a second sliding block; the second rack and the vertical guide rail are fixedly connected with the vertical beam, the second slider is fixedly connected with the cross beam, the second slider is connected with the vertical guide rail in a sliding mode, the second gear is meshed with the second rack, the axis of the second gear is horizontal, the second gear is rotatably connected with the cross beam, the second gear is connected with the second gear and drives the second gear to rotate, and the second gear drives the cross beam to move up and down. By adopting the structure, the height of the cross beam can be accurately controlled.
The vertical moving mechanism further comprises a transmission adjusting assembly, the transmission adjusting assembly comprises a first fixing piece, a first adjusting bolt, a second fixing piece and a second adjusting bolt, a second speed reducing motor is connected with a second gear through a transmission shaft, the transmission shaft is connected with the cross beam through a bearing seat, the second speed reducing motor is installed on the cross beam through a motor seat, the first fixing piece is fixedly connected with the cross beam, the first adjusting bolt is rotatably connected with the first fixing piece, and the bearing seat is in threaded connection with the first adjusting bolt. After the structure is adopted, the position of the second gear is adjusted through the positions of the first adjusting bolt and the second adjusting transmission shaft, so that good meshing transmission between the second gear and the second rack is ensured.
When the automatic wind resistance testing device is used, the position coordinates of a required pulling force point are firstly determined, the position coordinates are input into a control system, the first speed reducing motor and the second speed reducing motor are started, the horizontal moving mechanism and the vertical moving mechanism respectively move, after the horizontal moving mechanism and the vertical moving mechanism move to a target position, the first electromagnet device and the second electromagnet device are electrified, the pulling force point is fixed, the linear laser is started, and the pulling force angle deviation is judged through laser.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides an automatic change whole car anti-wind test device which characterized in that: the device comprises a support, a cross beam, a horizontal moving mechanism, a vertical moving mechanism and an electric winch, wherein the support comprises a vertical beam;
the horizontal moving mechanism comprises a connecting frame, a first rack, a first gear, a first speed reducing motor, a horizontal guide rail and a first sliding block, wherein the first rack and the horizontal guide rail are fixedly connected with a cross beam;
the electric capstan is mounted on the connecting frame.
2. An automatic whole car wind resistance test device according to claim 1, characterized in that: the first electromagnet device is fixed on the connecting frame, the connecting frame is attracted to the cross beam through the first electromagnet device, the second electromagnet device is fixed on the cross beam, and the cross beam is attracted to the vertical beam through the second electromagnet device.
3. An automatic whole car wind resistance test device according to claim 1, characterized in that: still include first laser range finder and second laser range finder, first laser range finder installs on the crossbeam, and second laser range finder installs on erecting the roof beam.
4. An automatic whole car wind resistance test device according to claim 1, characterized in that: the device also comprises a first photoelectric switch and a second photoelectric switch, wherein the first photoelectric switch is arranged on the cross beam, and the second photoelectric switch is arranged on the vertical beam; the crossbeam includes the horizontal migration region, and horizontal migration mechanism removes in the first region, and first photoelectric switch installs in the both ends of horizontal region, erects the roof beam and includes the vertical migration region, and vertical migration mechanism removes in the vertical migration region, and second photoelectric switch installs in the both ends of vertical migration region.
5. An automatic whole car wind resistance test device according to claim 1, characterized in that: the horizontal movement mechanism further comprises a guide wheel assembly, the guide wheel assembly comprises a guide wheel support and a guide wheel, the guide wheel is rotatably connected with the guide wheel support, the guide wheel support is installed on the connecting frame, the axis of the guide wheel is vertical, the side face of the guide wheel is in contact with the inner wall of the cross beam, and when the connecting frame moves, the guide wheel rolls along the inner wall of the cross beam.
6. An automatic whole car wind resistance test device according to claim 5, characterized in that: guide pulley support and connection frame swing joint are equipped with third adjusting bolt between guide pulley support and the connection frame, and third adjusting bolt and guide pulley support threaded connection, third adjusting bolt have tail end and head end, and the connection frame is withstood to third adjusting bolt's tail end, and the inner wall of crossbeam is kept away from for the head end to third adjusting bolt's tail end.
7. An automatic whole car wind resistance test device according to claim 5, characterized in that: the crossbeam is the I-steel, and the crossbeam includes web, preceding pterygoid lamina, back pterygoid lamina, and the web level sets up and is located between preceding pterygoid lamina and the back pterygoid lamina, and the guide pulley is located between preceding pterygoid lamina and the back pterygoid lamina.
8. An automatic whole car wind resistance test device according to claim 1, characterized in that: the laser device also comprises a word line laser device which is arranged on the connecting frame.
9. An automatic whole car wind resistance test device according to claim 1, characterized in that: the vertical moving mechanism comprises a second speed reducing motor, a second rack, a second gear, a vertical guide rail and a second sliding block;
the second rack and the vertical guide rail are fixedly connected with the vertical beam, the second slider is fixedly connected with the cross beam, the second slider is connected with the vertical guide rail in a sliding mode, the second gear is meshed with the second rack, the axis of the second gear is horizontal, the second gear is rotatably connected with the cross beam, the second gear is connected with the second gear and drives the second gear to rotate, and the second gear drives the cross beam to move up and down.
10. An automatic whole car wind resistance test device according to claim 9, characterized in that: the vertical moving mechanism further comprises a first fixing piece, a first adjusting bolt, a second fixing piece and a second adjusting bolt, a second speed reducing motor is connected with a second gear through a transmission shaft, the transmission shaft is connected with the cross beam through a bearing seat, and the second speed reducing motor is installed on the cross beam through a motor base; the first fixing piece and the second fixing piece are fixedly connected with the cross beam, the first adjusting bolt is connected with the first fixing piece in a rotating mode, the bearing seat is connected with the first adjusting bolt in a threaded mode, the second adjusting bolt is connected with the second fixing piece in a rotating mode, and the motor base is connected with the second adjusting bolt in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429469.3A CN114136579A (en) | 2021-11-29 | 2021-11-29 | Automatic change whole car anti-wind test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429469.3A CN114136579A (en) | 2021-11-29 | 2021-11-29 | Automatic change whole car anti-wind test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114136579A true CN114136579A (en) | 2022-03-04 |
Family
ID=80388526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111429469.3A Pending CN114136579A (en) | 2021-11-29 | 2021-11-29 | Automatic change whole car anti-wind test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114136579A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565076A (en) * | 2012-01-17 | 2012-07-11 | 柳州高华机械有限公司 | On-line detection production line |
| CN103033355A (en) * | 2012-12-26 | 2013-04-10 | 吉林大学 | Saloon car safety belt test auxiliary device |
| CN103292974A (en) * | 2013-05-24 | 2013-09-11 | 上海市质量监督检验技术研究院 | Static load, stability and impact testing machine for chairs, cabinets, tables, beds and screens |
| CN105068449A (en) * | 2015-08-20 | 2015-11-18 | 国网山东省电力公司烟台供电公司 | Numerical control swinging experimental device of overhead transmission line |
| CN106996869A (en) * | 2017-05-27 | 2017-08-01 | 北京中汽寰宇机动车检验中心有限公司 | The retracting power experimental rig and method of automobile safety Webbing retractor |
| US20200174097A1 (en) * | 2018-04-20 | 2020-06-04 | Autel Intelligent Technology Corp., Ltd. | Position adjustment apparatus and automobile calibration device |
| CN113701787A (en) * | 2021-10-10 | 2021-11-26 | 深圳市道通科技股份有限公司 | Vehicle measuring equipment |
-
2021
- 2021-11-29 CN CN202111429469.3A patent/CN114136579A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565076A (en) * | 2012-01-17 | 2012-07-11 | 柳州高华机械有限公司 | On-line detection production line |
| CN103033355A (en) * | 2012-12-26 | 2013-04-10 | 吉林大学 | Saloon car safety belt test auxiliary device |
| CN103292974A (en) * | 2013-05-24 | 2013-09-11 | 上海市质量监督检验技术研究院 | Static load, stability and impact testing machine for chairs, cabinets, tables, beds and screens |
| CN105068449A (en) * | 2015-08-20 | 2015-11-18 | 国网山东省电力公司烟台供电公司 | Numerical control swinging experimental device of overhead transmission line |
| CN106996869A (en) * | 2017-05-27 | 2017-08-01 | 北京中汽寰宇机动车检验中心有限公司 | The retracting power experimental rig and method of automobile safety Webbing retractor |
| US20200174097A1 (en) * | 2018-04-20 | 2020-06-04 | Autel Intelligent Technology Corp., Ltd. | Position adjustment apparatus and automobile calibration device |
| CN113701787A (en) * | 2021-10-10 | 2021-11-26 | 深圳市道通科技股份有限公司 | Vehicle measuring equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113428182B (en) | Detection robot based on curved track | |
| CN112432757A (en) | Steering wheel clearance adjustment simulation mechanism | |
| CN112362288A (en) | Automatic adjusting system for attack angle of wind tunnel test unmanned aerial vehicle | |
| CN114136579A (en) | Automatic change whole car anti-wind test device | |
| CN110528385B (en) | Road and bridge detection operation platform | |
| CN116678493A (en) | Real-time monitoring device for environment-friendly noise monitoring | |
| CN201583400U (en) | Bogie cross sliding platform test device | |
| CN211904906U (en) | Electrodynamic type bridge expansion joint test device | |
| CN114895681A (en) | Robot for detecting highway guardrail plate and control method | |
| CN110646157B (en) | Sliding window limiting impact test device | |
| CN109946037B (en) | Blocking moving device for simulating bracket interference quantity change and application | |
| CN113267354A (en) | Positioning system of bogie test bed | |
| CN208698880U (en) | The frame construction and its wheelbase of process bogie adjust component | |
| CN220913173U (en) | Electromagnetic compatibility test mounting platform with adjustable angle | |
| CN221078025U (en) | Testing device for electric stay bar of automobile tail door | |
| CN202641869U (en) | Tube beam installation structure and tube beam with same | |
| CN218917623U (en) | Transmitting device for far field test of antenna unit | |
| JPH08145844A (en) | Apparatus for supporting wind tunnel model | |
| CN107142796B (en) | Positioning tool for mounting J-III type expansion joint of medium-low speed magnetic levitation track | |
| CN218952413U (en) | Combined type internal climbing steel beam structure | |
| CN218751448U (en) | Aircraft engine mounting bracket device | |
| CN219299040U (en) | Novel hinge | |
| CN220912661U (en) | Cable dynamic interference test device | |
| CN219026465U (en) | Car door slideway assembly welding positioning structure | |
| CN116378124A (en) | Device for measuring foundation load force of stay cable iron tower based on portal frame lifting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |