CN202770914U - Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system - Google Patents
Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system Download PDFInfo
- Publication number
- CN202770914U CN202770914U CN201220446789XU CN201220446789U CN202770914U CN 202770914 U CN202770914 U CN 202770914U CN 201220446789X U CN201220446789X U CN 201220446789XU CN 201220446789 U CN201220446789 U CN 201220446789U CN 202770914 U CN202770914 U CN 202770914U
- Authority
- CN
- China
- Prior art keywords
- axis
- ball screw
- positioning component
- connects
- planker
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system. The test system comprises an installation base (1), a Y-axis locating assembly and a XZ plane locating system. The Y-axis locating assembly comprises a Y-axis ball screw assembly, a Y-axis ball linear sliding rail (2), a Y-axis leveling connection carriage (3), and an antenna installation support (6). An X-axis automatic locating assembly comprises an X-axis ball screw assembly, an X-axis ball linear sliding rail (10), an X-axis leveling connection carriage (11), an X-axis driving servo motor (12) and an X-axis grating ruler (13). A Z-axis automatic locating assembly comprises a single axis robot (17), a test sensor installation bracket (18), a Z-axis grating ruler (19), a Z-axis gravity center adjusting back frame (20) and a Z-axis driving servo motor (21). According to the utility model, advantages of high degree of integration, high precision, less scattering, small size, light weight, easy utilization, easy maintenance and low cost can be realized, and the test requirements of a small-size antenna can be satisfied.
Description
Technical field
The utility model relates to the full-automatic hyper band radar antenna of a kind of three-dimensional high-precision near-field test system.
Background technology
The antenna near-field test is carried out in microwave dark room, and its precision is high, efficient is high, cost is low, and the application in antenna measurement is more and more extensive.The antenna near-field test macro mainly comprises antenna to be measured and probe system, antenna to be measured and probe positioning system, test data collection and disposal system.Wherein, antenna to be measured and the Key Platform of probe positioning system as the antenna near-field test, its locator meams and precision are determining antenna measurement result's precision.Antenna to be measured is exactly its bearing accuracy with the key technical indexes of probe positioning system: plane of orientation degree, repetitive positioning accuracy and the antenna of probe and probe relative position precision.At present, the unit of domestic researching antenna near-field test platform mainly is some colleges and universities and research institute, such as Xian Electronics Science and Technology University, BJ University of Aeronautics ﹠ Astronautics and middle electric 14, their product orientation flatness can reach about 0.08mm, and optimization auxiliary by laser tracker and control system is the highest can to reach 0.04mm.But mostly adopt column foot formula structure, bulky, integrated degree is not high, complex structure, inconvenience paste absorbing material to reduce the test platform scattering to the impact of test result, generally is only applicable to the test of Large Radar Antenna.And their product positioning system (can be called scanning support or sampling rack again) of generally just popping one's head in, antenna-positioning system and probe positioning system are not integrated on the platform, use limitation larger, it is not too convenient to use.
The utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, provide a kind of closed loop automatic control system that adopts to realize that hi-Fix, bearing accuracy are high, whole platform microwave " zero " scattering, greatly low microwave scattering are on the impact of near-field test precision, integrated degree is high, volume is little, lightweight, and operation and maintenance is the full-automatic hyper band radar antenna of low-cost three-dimensional high-precision near-field test system easily.
The purpose of this utility model is achieved through the following technical solutions: the full-automatic hyper band radar antenna of three-dimensional high-precision near-field test system, it comprises mounting base, Y-axis positioning component and XZ plane positioning system, the Y-axis positioning component comprises the Y-axis ball screw assembly, the Y-axis rolling ball linear slide rail, the slide block group a that is complementary with the Y-axis rolling ball linear slide rail, the Y-axis leveling connects planker, Y-axis scale and antenna erection support, the Y-axis ball screw assembly comprises Y-axis ball screw, the Y-axis feed screw nut and the Y-axis screw mandrel bearing that are complementary with Y-axis ball screw, Y-axis feed screw nut is fixedly mounted on the Y-axis leveling and connects on the planker, the Y-axis feed screw nut is passed on the top of Y-axis ball screw and Y-axis screw mandrel bearing is flexibly connected, and Y-axis screw mandrel bearing is fixedly mounted on the mounting base; Two Y-axis rolling ball linear slide rails are fixedly mounted on respectively on the mounting base, the Y-axis scale is parallel to the Y-axis rolling ball linear slide rail and is installed on the mounting base, the antenna erection support is fixedly mounted on the upper plane that the Y-axis leveling connects planker, and the Y-axis leveling connects the lower plane of planker slide block group a is installed; The XZ plane positioning system is comprised of the automatic positioning component of X-axis and the automatic positioning component of Z axis, the automatic positioning component of X-axis comprises the X-axis ball screw assembly, the X-axis rolling ball linear slide rail, the slide block group b that is complementary with the X-axis rolling ball linear slide rail, the X-axis leveling connects planker, X-axis drives servomotor and X-axis grating scale, the X-axis ball screw assembly comprises X-axis ball screw, the X-axis feed screw nut and the X-axis screw mandrel bearing that are complementary with X-axis ball screw, X-axis feed screw nut is fixedly mounted on the X-axis leveling and connects on the planker, one end of X-axis ball screw connects X-axis by shaft coupling and drives servomotor, the other end passes the X-axis feed screw nut and X-axis screw mandrel bearing is flexibly connected, and X-axis screw mandrel bearing is fixedly mounted on the mounting base; Two X-axis rolling ball linear slide rails are fixedly mounted on respectively on the mounting base, and the X-axis grating scale is parallel to the X-axis rolling ball linear slide rail and is installed on the mounting base, and the X-axis leveling connects the lower plane of planker slide block group b is installed; The automatic positioning component of Z axis comprises that single shaft robot, testing sensor mounting bracket, Z axis grating scale, Z axis centre of gravity adjustment backrest and Z axis drive servomotor, the automatic positioning component of Z axis is fixedly installed in the upper plane that the X-axis leveling connects planker by Z axis centre of gravity adjustment backrest, one end of single shaft robot connects Z axis by shaft coupling and drives servomotor, the single shaft robot is fixedly mounted on the Z axis centre of gravity adjustment backrest, the testing sensor mounting bracket is fixedly mounted on the slide block of single shaft robot, and the Z axis grating scale is parallel to the single shaft robot and is installed on the Z axis centre of gravity adjustment backrest.
The end of Y-axis ball screw links to each other or links to each other with servomotor by shaft coupling with the operation handwheel.
The outside surface of mounting base, Y-axis positioning component, the automatic positioning component of X-axis and the automatic positioning component of Z axis all attaches absorbing material.
The beneficial effects of the utility model are:
(1) utilizes Integration Design thought, adopt cast iron platform as mounting base, select highly integrated high precision ball linear slide rail and high precision ball screw mandrel to form X, y-axis shift actuation mechanism, as Z axis travel mechanism, realized the running fix on X, Y, three direction of principal axis of Z with highly integrated single shaft robot;
(2) Y-axis both can adopt manual control also can adopt automatic control mode according to requirements, and the utility model can adopt the manual control mode according to requirements, and the walking depth of parallelism reaches 0.05mm;
(3) X, Z axis adopt closed loop automatic control system to realize hi-Fix, and XZ plane of orientation degree is less than 0.05mm, and repetitive positioning accuracy reaches 0.01mm;
(4) adopt the Stealth shape designing technique, reduced the cross section of platform in the microwave direction, whole platform surface is designed to regular planar as far as possible so that attach absorbing material simultaneously, thereby realized microwave " zero " scattering of whole platform, greatly reduced microwave scattering to the impact of near-field test precision;
(5) the integrated degree of whole test macro is high, and precision is high, scattering is little, volume is little lightweight, and working service is convenient, and cost is low, satisfies the test request of the following small size antenna of 50GHz.
Description of drawings
Fig. 1 is the utility model structural representation;
Among the figure, 1-mounting base, 2-Y axle rolling ball linear slide rail, the leveling of 3-Y axle connects planker, and 4-operates handwheel, 5-Y axle scale, 6-antenna erection support, 7-Y shaft ball screw, 8-Y axial filament stem nut, 9-Y axial filament rod bearing, 10-X axle rolling ball linear slide rail, the leveling of 11-X axle connects planker, and the 12-X axle drives servomotor, 13-X axle grating scale, the 14-X shaft ball screw, 15-X-axis feed screw nut, 16-X axial filament rod bearing, 17-single shaft robot, 18-testing sensor mounting bracket, 19-Z axle grating scale, 20-Z axle centre of gravity adjustment backrest, the 21-Z axle drives servomotor, 22-slide block.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, the full-automatic hyper band radar antenna of three-dimensional high-precision near-field test system, it comprises mounting base 1, Y-axis positioning component and XZ plane positioning system, mounting base 1 is " T " font, integral casting forming, mounting base 1 upper surface is installed the precise ball linear slide rail of X, Y-axis, and flatness requires very high, so the requirement that processing guarantees its flatness such as scrape by grinding and shovel.The outside surface of mounting base 1, Y-axis positioning component and XZ plane positioning system all attaches absorbing material.
The Y-axis positioning component comprises the Y-axis ball screw assembly, Y-axis rolling ball linear slide rail 2, the slide block group a that is complementary with Y-axis rolling ball linear slide rail 2, the Y-axis leveling connects planker 3, Y-axis scale 5 and antenna erection support 6, the Y-axis ball screw assembly comprises Y-axis ball screw 7, the Y-axis feed screw nut 8 and the Y-axis screw mandrel bearing 9 that are complementary with Y-axis ball screw 7, Y-axis feed screw nut 8 is mounted by means of bolts on the Y-axis leveling and connects on the planker 3, the top of Y-axis ball screw 7 is passed Y-axis feed screw nut 8 and is flexibly connected with Y-axis screw mandrel bearing 9, the end of Y-axis ball screw 7 links to each other or links to each other with servomotor by shaft coupling with operation handwheel 4, this programme adopts the mode of attended operation handwheel 4, adopts the mode of artificial rotary manipulation handwheel 4 to control.Y-axis screw mandrel bearing 9 is mounted by means of bolts on the mounting base 1; Two Y-axis rolling ball linear slide rails 2 are mounted by means of bolts on respectively on the mounting base 1, Y-axis scale 5 is parallel to Y-axis rolling ball linear slide rail 2 and sticks on the mounting base 1, antenna erection support 6 is mounted by means of bolts on the upper plane that the Y-axis leveling connects planker 3, and the Y-axis leveling connects the lower plane of planker 3 slide block group a is installed.Make Y-axis ball screw 7 rotations by rotary manipulation handwheel 4, drive Y-axis feed screw nut 8 and move along a straight line, move along Y direction thereby drive Y-axis rolling ball linear slide rail 2, Y-axis leveling connection planker 3 and antenna erection support 6 integral body.
The XZ plane positioning system is comprised of the automatic positioning component of X-axis and the automatic positioning component of Z axis, and the location travel range is 800mm * 800mm.The automatic positioning component of X-axis comprises the X-axis ball screw assembly, X-axis rolling ball linear slide rail 10, the slide block group b that is complementary with X-axis rolling ball linear slide rail 10, the X-axis leveling connects planker 11, X-axis drives servomotor 12 and X-axis grating scale 13, the X-axis ball screw assembly comprises X-axis ball screw 14, the X-axis feed screw nut 15 and the X-axis screw mandrel bearing 16 that are complementary with X-axis ball screw 14, X-axis feed screw nut 15 is mounted by means of bolts on the X-axis leveling and connects on the planker 11, one end of X-axis ball screw 14 connects X-axis by shaft coupling and drives servomotor 12, the other end passes X-axis feed screw nut 15 and is flexibly connected with X-axis screw mandrel bearing 16, and X-axis screw mandrel bearing 16 is mounted by means of bolts on the mounting base 1; Two X-axis rolling ball linear slide rails 10 are mounted by means of bolts on respectively on the mounting base 1, X-axis grating scale 13 is parallel to X-axis rolling ball linear slide rail 10 and sticks on the mounting base 1, the X-axis leveling connects the lower plane of planker 11 slide block group b is installed, and slide block group a is connected with slide block group b and is installed in four slide blocks that leveling connects four corners of planker lower plane by bolt and forms.The automatic positioning component of Z axis comprises single shaft robot 17, testing sensor mounting bracket 18, Z axis grating scale 19, Z axis centre of gravity adjustment backrest 20 and Z axis drive servomotor 21, the automatic positioning component of Z axis is fixedly installed in the upper plane that the X-axis leveling connects planker 11 by Z axis centre of gravity adjustment backrest 20, one end of single shaft robot 17 connects Z axis by shaft coupling and drives servomotor 21, single shaft robot 17 is fixedly mounted on the Z axis centre of gravity adjustment backrest 20, testing sensor mounting bracket 18 is fixedly mounted on the slide block 22 of single shaft robot 17, and Z axis grating scale 19 is parallel to single shaft robot 17 and is installed on the Z axis centre of gravity adjustment backrest 20.
Control system consists of closed-loop control system by servomotor, servo driving, PLC controller, position feedback grating scale, can reach the in-placing precision of 0.01mm.Can realize connecting communication by the Ethernet serial communication interface between control system and the host computer.Whole control system both can be carried out fast moving control with handheld box, also can carry out in real time accurately control by upper computer software, convenient test coordinate acquisition data.Connecting communication is convenient between control system and the host computer, and extensibility is strong, is beneficial to according to reality test needs to carry out subsequent development.The flatness of XZ plane of orientation, antenna erection support 6 has conclusive impact on electromagnetic scattering to the precision of antenna near-field test result along the walking depth of parallelism of Y-axis and whole platform, by adopting the high integrated driving of above-mentioned high precision, guidance set, closed-loop control system, reasonably structural design and anti-scatter measure, realized that XZ plane of orientation degree is less than 0.05mm, repetitive positioning accuracy is less than 0.01mm, the Y-axis walking depth of parallelism satisfies the small size antenna near-field test requirement below the 50GHz less than the accuracy requirement of 0.05mm with towards the requirement of electromagnetic wave direction " zero " scattering.
Claims (3)
1. the full-automatic hyper band radar antenna of three-dimensional high-precision near-field test system, it is characterized in that: it comprises mounting base (1), Y-axis positioning component and XZ plane positioning system, the Y-axis positioning component comprises the Y-axis ball screw assembly, Y-axis rolling ball linear slide rail (2), the slide block group a that is complementary with Y-axis rolling ball linear slide rail (2), the Y-axis leveling connects planker (3), Y-axis scale (5) and antenna erection support (6), the Y-axis ball screw assembly comprises Y-axis ball screw (7), the Y-axis feed screw nut (8) and the Y-axis screw mandrel bearing (9) that are complementary with Y-axis ball screw (7), Y-axis feed screw nut (8) is fixedly mounted on the Y-axis leveling and connects on the planker (3), the top of Y-axis ball screw (7) is passed Y-axis feed screw nut (8) and is flexibly connected with Y-axis screw mandrel bearing (9), and Y-axis screw mandrel bearing (9) is fixedly mounted on the mounting base (1); Two Y-axis rolling ball linear slide rails (2) are fixedly mounted on respectively on the mounting base (1), Y-axis scale (5) is parallel to Y-axis rolling ball linear slide rail (2) and is installed on the mounting base (1), antenna erection support (6) is fixedly mounted on the upper plane that the Y-axis leveling connects planker (3), and the Y-axis leveling connects the lower plane of planker (3) slide block group a is installed;
The XZ plane positioning system is comprised of the automatic positioning component of X-axis and the automatic positioning component of Z axis, the automatic positioning component of X-axis comprises the X-axis ball screw assembly, X-axis rolling ball linear slide rail (10), the slide block group b that is complementary with X-axis rolling ball linear slide rail (10), the X-axis leveling connects planker (11), X-axis drives servomotor (12) and X-axis grating scale (13), the X-axis ball screw assembly comprises X-axis ball screw (14), the X-axis feed screw nut (15) and the X-axis screw mandrel bearing (16) that are complementary with X-axis ball screw (14), X-axis feed screw nut (15) is fixedly mounted on the X-axis leveling and connects on the planker (11), one end of X-axis ball screw (14) connects X-axis by shaft coupling and drives servomotor (12), the other end passes X-axis feed screw nut (15) and is flexibly connected with X-axis screw mandrel bearing (16), and X-axis screw mandrel bearing (16) is fixedly mounted on the mounting base (1); Two X-axis rolling ball linear slide rails (10) are fixedly mounted on respectively on the mounting base (1), X-axis grating scale (13) is parallel to X-axis rolling ball linear slide rail (10) and is installed on the mounting base (1), and the X-axis leveling connects the lower plane of planker (11) slide block group b is installed;
The automatic positioning component of Z axis comprises single shaft robot (17), testing sensor mounting bracket (18), Z axis grating scale (19), Z axis centre of gravity adjustment backrest (20) and Z axis drive servomotor (21), the automatic positioning component of Z axis is fixedly installed in the upper plane that the X-axis leveling connects planker (11) by Z axis centre of gravity adjustment backrest (20), one end of single shaft robot (17) connects Z axis by shaft coupling and drives servomotor (21), single shaft robot (17) is fixedly mounted on the Z axis centre of gravity adjustment backrest (20), testing sensor mounting bracket (18) is fixedly mounted on the slide block (22) of single shaft robot (17), and Z axis grating scale (19) is parallel to single shaft robot (17) and is installed on the Z axis centre of gravity adjustment backrest (20).
2. the full-automatic hyper band radar antenna of three-dimensional high-precision according to claim 1 near-field test system is characterized in that: the end of described Y-axis ball screw (7) links to each other or links to each other with servomotor by shaft coupling with operation handwheel (4).
3. the full-automatic hyper band radar antenna of three-dimensional high-precision according to claim 1 near-field test system, it is characterized in that: the outside surface of described mounting base (1), Y-axis positioning component, the automatic positioning component of X-axis and the automatic positioning component of Z axis all attaches absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220446789XU CN202770914U (en) | 2012-09-04 | 2012-09-04 | Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220446789XU CN202770914U (en) | 2012-09-04 | 2012-09-04 | Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770914U true CN202770914U (en) | 2013-03-06 |
Family
ID=47777478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220446789XU Withdrawn - After Issue CN202770914U (en) | 2012-09-04 | 2012-09-04 | Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770914U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841265A (en) * | 2012-09-04 | 2012-12-26 | 成都锦江电子系统工程有限公司 | Three-dimensional high-precision fully-automatic ultra-high frequency band radar antenna near-field testing system |
| CN103323685A (en) * | 2013-07-16 | 2013-09-25 | 南京顺仕祥电子有限公司 | Antenna plane near-field test scanner |
| CN103698617A (en) * | 2014-01-06 | 2014-04-02 | 南京顺仕祥电子有限公司 | Antenna measuring space scanning plane error compensation method |
| CN104325455A (en) * | 2014-10-21 | 2015-02-04 | 国家电网公司 | System and method for controlling movement of railway robot in valve hall room |
| CN104965129A (en) * | 2015-06-18 | 2015-10-07 | 四川莱源科技有限公司 | Single-probe near-field antenna test system |
| CN105974342A (en) * | 2016-07-06 | 2016-09-28 | 苏州富强科技有限公司 | Magnetic flux density measuring apparatus and measuring method thereof |
| CN106291134A (en) * | 2016-11-10 | 2017-01-04 | 成都锐芯盛通电子科技有限公司 | Antenna intelligent test system based on robot and method of testing |
| CN109597094A (en) * | 2018-10-26 | 2019-04-09 | 上海神添实业有限公司 | The complete polarization near-field scan method and system of general purpose vehicle based on unmanned plane |
| CN109975796A (en) * | 2019-04-11 | 2019-07-05 | 清华大学深圳研究生院 | Integrated position measurement and adjustment device and method |
| CN112098732A (en) * | 2020-09-21 | 2020-12-18 | 深圳市环波科技有限责任公司 | Microwave electromagnetic parameter three-dimensional test system and method thereof |
-
2012
- 2012-09-04 CN CN201220446789XU patent/CN202770914U/en not_active Withdrawn - After Issue
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841265A (en) * | 2012-09-04 | 2012-12-26 | 成都锦江电子系统工程有限公司 | Three-dimensional high-precision fully-automatic ultra-high frequency band radar antenna near-field testing system |
| CN102841265B (en) * | 2012-09-04 | 2014-11-05 | 成都锦江电子系统工程有限公司 | Three-dimensional high-precision fully-automatic ultra-high frequency band radar antenna near-field testing system |
| CN103323685A (en) * | 2013-07-16 | 2013-09-25 | 南京顺仕祥电子有限公司 | Antenna plane near-field test scanner |
| CN103698617A (en) * | 2014-01-06 | 2014-04-02 | 南京顺仕祥电子有限公司 | Antenna measuring space scanning plane error compensation method |
| CN104325455A (en) * | 2014-10-21 | 2015-02-04 | 国家电网公司 | System and method for controlling movement of railway robot in valve hall room |
| CN104965129A (en) * | 2015-06-18 | 2015-10-07 | 四川莱源科技有限公司 | Single-probe near-field antenna test system |
| CN105974342A (en) * | 2016-07-06 | 2016-09-28 | 苏州富强科技有限公司 | Magnetic flux density measuring apparatus and measuring method thereof |
| WO2018006532A1 (en) * | 2016-07-06 | 2018-01-11 | 苏州富强科技有限公司 | Magnetic flux density measurement apparatus and measurement method therefor |
| CN106291134A (en) * | 2016-11-10 | 2017-01-04 | 成都锐芯盛通电子科技有限公司 | Antenna intelligent test system based on robot and method of testing |
| CN106291134B (en) * | 2016-11-10 | 2023-08-08 | 成都锐芯盛通电子科技有限公司 | Robot-based antenna intelligent test system and test method |
| CN109597094A (en) * | 2018-10-26 | 2019-04-09 | 上海神添实业有限公司 | The complete polarization near-field scan method and system of general purpose vehicle based on unmanned plane |
| CN109975796A (en) * | 2019-04-11 | 2019-07-05 | 清华大学深圳研究生院 | Integrated position measurement and adjustment device and method |
| CN112098732A (en) * | 2020-09-21 | 2020-12-18 | 深圳市环波科技有限责任公司 | Microwave electromagnetic parameter three-dimensional test system and method thereof |
| CN112098732B (en) * | 2020-09-21 | 2023-07-25 | 深圳市环波科技有限责任公司 | Microwave electromagnetic parameter three-dimensional test system and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202770914U (en) | Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system | |
| CN102841265B (en) | Three-dimensional high-precision fully-automatic ultra-high frequency band radar antenna near-field testing system | |
| CN105652684B (en) | A kind of novel large four-degree-of-freedom attitude-simulating simulation architecture | |
| CN201508149U (en) | Oversized gantry-type three-coordinate measuring machine | |
| CN102700726B (en) | Three-coordinate double-support arm positioner | |
| CN206419641U (en) | A kind of laser tracker height adjuster | |
| CN103737577A (en) | Six-freedom-degree industrial robot with ball screw pair transmission | |
| CN104965129A (en) | Single-probe near-field antenna test system | |
| CN108001708A (en) | A kind of aircraft wing docks posture adjustment reconfigurable device | |
| CN103323685A (en) | Antenna plane near-field test scanner | |
| CN206787482U (en) | A kind of auxiliary monitor station suitable for magnetostrictive displacement sensor | |
| CN206348100U (en) | A kind of six-component force sensor calibrating installation | |
| CN201803696U (en) | Pinion gear measuring device with granite structure | |
| CN102102986A (en) | Roundness/cylindricality measurement workbench capable of automatically regulating center and inclination | |
| CN113561143A (en) | Displacement-controllable three-coordinate adjusting device and using method thereof | |
| CN108480632B (en) | Vibration material disk equipment of quick location | |
| CN202711000U (en) | Three-dimensional high-precision full-automatic ultra-high frequency band radar antenna near-field test closed-loop control system | |
| CN204087810U (en) | The parallel institution that Hydrauservo System and piezoelectric ceramic actuator drive jointly | |
| CN207036383U (en) | Vibrating flexible beam measurement and control device based on laser displacement sensor | |
| CN205750491U (en) | A kind of three axle suspension arm type space coordinates mobile devices | |
| CN113049233B (en) | Bionic joint leg test platform | |
| CN113029124B (en) | Three-dimensional attitude position measurement device based on infrared visual guidance and laser ranging | |
| CN202743485U (en) | Three-coordinate double-support arm positioner | |
| CN201528254U (en) | Single-shaft servo control device | |
| CN205352971U (en) | A accurate motion platform of diaxon for X X -ray diffractometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |