CN105628327A - Steel wire rope transmission type two-shaft rudder deflection control force measurement device - Google Patents
Steel wire rope transmission type two-shaft rudder deflection control force measurement device Download PDFInfo
- Publication number
- CN105628327A CN105628327A CN201510992508.9A CN201510992508A CN105628327A CN 105628327 A CN105628327 A CN 105628327A CN 201510992508 A CN201510992508 A CN 201510992508A CN 105628327 A CN105628327 A CN 105628327A
- Authority
- CN
- China
- Prior art keywords
- rudder
- wireline
- steel wire
- base body
- diaxon
- 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.)
- Granted
Links
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
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/10—Control of position or direction without using feedback
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a steel wire rope transmission type two-shaft rudder deflection control force measurement device comprising a base; a rudder surface deflection driving component which comprises a driving motor, an input shaft and a rolling wheel; a performing component; a balance component which is arranged in the performing component and used for measuring the load of rudder surfaces; the rudder surfaces which are arranged in the installing grooves of the balance component; and a steel wire rope which drives the performing wheel to rotate through rotation of the rolling wheel so as to drive the balance component and the rudder surfaces to rotate, wherein the two ends of the steel wire rope are fixed in the open groove of a pre-tightening spring piece so that the steel wire rope is enabled to be in the tightening state. According to the steel wire rope transmission type two-shaft rudder deflection control force measurement device, test efficiency is high, control accuracy of rudder deflection is enhanced, the rudder deflection angle can be accurately controlled by an encoder arranged in the motor, machining error caused by using an angle pin (lock) can be avoided, rudder deflection of two rudder surfaces and the borne load can be simultaneously controlled and measured, and the whole device is compact in structure, small in size and convenient to operate and can be applied to most of hinge moment test models.
Description
Technical field
The invention belongs to wind tunnel test technical field, particularly a kind of wireline transmission formula diaxon rudder controls device for measuring force partially.
Background technology
The fast development of aerospace cause, proposes more and more higher requirement to wind1 tunnel trial efficiency and precision. The method that the drift angle, rudder face of current wind-tunnel model mainly adopts different angles pin (lock) manually to change realizes. The precision of this kind of method is subject to the impact of the factor such as mould processing, assembling, it is difficult to ensure, also it is difficult to directly be measured true drift angle, rudder face, needing in the frequent wind1 tunnel trial changing model rudder drift angle, wind-tunnel opens frequently, close to close and seriously affect wind1 tunnel trial efficiency and increase experimentation cost.
For the high request that wind-tunnel rudder face dynamometer check precision is proposed by the aerospace flight vehicle development of satisfied a new generation, solve the contradiction of wind1 tunnel trial experimentation cost, production efficiency, the present invention proposes one and can automatically drive control surface deflection, and the measurement true deflection angle in rudder face and aerodynamic load rudder face deflect device for measuring force automatically in real time.
Summary of the invention
For the problem mentioned, the present invention provides a kind of wireline transmission formula diaxon rudder and partially controls device for measuring force, it is characterised in that, comprising:
Pedestal, it is provided with installation shaft;
Control surface deflection drives assembly, comprising: drive-motor, input shaft and roller, described drive-motor is fixedly installed on described pedestal, described input shaft one end is connected with output shaft and the preloading spring sheet of drive-motor, being provided with groove on described roller and be connected with the described input shaft the other end, described groove arranges installation wireline;
Executive module, it comprises and performs wheel around what described installation shaft was rotated, described execution wheel is provided with groove, arranges installation wireline in described groove;
Balance assembly, it is arranged in described executive module, for measuring rudder face load;
Rudder face, it is arranged in the installation groove of balance assembly;
Wireline, it drives described execution wheel to rotate by the rotation of described roller, thus drives balance assembly and rudder face to rotate, and described wireline two ends are fixed in the open slot of described preloading spring sheet so that described wireline is in tight state.
Preferred version is: described pedestal comprises:
Base body;
Steel wire position-limiting drum, its one end is fixedly connected with described Base body, and the other end is fixedly connected with described drive-motor;
Pedestal cover plate, it is fixedly connected with described Base body, and forms cavity with described Base body;
End cap, on its end face being arranged on described Base body, for sealing the circular hole of insertion instrument.
Preferred version is: described steel wire position-limiting drum, and its one end is fixedly connected with the flange face of Base body by screw, and the other end is fixedly connected with described drive-motor by screw.
Preferred version is: be provided with the first groove and the 2nd groove that restriction steel wire slides inside described steel wire position-limiting drum.
Preferred version is: described executive module also comprises two steel ball groups and wireline briquetting.
Preferred version is: described steel ball group coordinates with described execution wheel and Base body, is arranged in described Base body by described executive module, and described executive module is rotated around described installation shaft.
Preferred version is: described wireline briquetting is used for being pressed on by wireline in the described groove performing wheel, prevents both relatively sliding.
Preferred version is: described driving assembly also comprises the first bearing and the 2nd bearing, described roller by with described first bearing and the 2nd bearing fit, be supported in described installation shaft.
Preferred version is: described driving assembly also comprises bearing end cap, and described bearing end cap is arranged on one end of described installation shaft, for limiting the axial motion of bearing.
Preferred version is: described executive module is arranged on described pedestal cover plate and described Base body is formed in cavity.
The useful effect of the present invention is as follows:
1, test efficiency height, it is possible to automatically change rudder drift angle when not interrupting wind1 tunnel trial and run, greatly reduce time and cost economically, improve wind1 tunnel trial efficiency significantly.
2, improve the control accuracy that rudder is inclined, rudder inclination angle accurately can be controlled by the encoder of motor internal, the machining error avoiding use angle pin (lock) and produce.
3, can same control, measure two rudder faces the inclined and suffered load of rudder.
4, whole apparatus structure is compact, volume is little, easy to operate, it is possible to be applied to major part hinge moment test model in.
Accompanying drawing explanation
Fig. 1 is the present invention's assembling schematic diagram in a model;
Fig. 2 is present configuration schematic diagram;
Fig. 3 is Base body structural representation;
Fig. 4 is base seat lid plate structure schematic diagram;
Fig. 5 is Fig. 2 A-A sectional view;
Fig. 6 is the B-B sectional view of Fig. 2;
Fig. 7 is roller structure schematic diagram;
Fig. 8 is for performing wheel B structure schematic diagram;
Fig. 9 is steel wire position-limiting drum structural representation;
Figure 10 is for performing wheel A structural representation.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to specification sheets word.
Such as " have " it is to be understood that used herein, other element one or more do not allotted in " comprising " and " comprising " term or its combination existence or interpolation.
A kind of wireline transmission formula diaxon rudder controls device for measuring force partially, comprises pedestal 100, control surface deflection driving assembly 200, executive module 300, balance assembly 400. Control surface deflection drives the drive-motor 201 of assembly 200 to be fixed by the steel wire position-limiting drum 104 of screw and pedestal 100, and roller 203 is supported in the installation shaft 1021 of Base body 102 by the first bearing 204, the 2nd bearing 205. Steel ball group 304, the steel ball group 305 of executive module 300 coordinate with the cylindrical hole 1022 of Base body 102, the circular cone hole 1011 of pedestal cover plate 101 respectively, thus are installed in pedestal 100 by executive module 300. Balance assembly 400 is installed in executive module 300. Rudder face 500 is installed in the installation groove of balance assembly 400 by pin. Whole rudder partially controls device for measuring force and is arranged in the inner chamber of model.
During test, by input shaft 202, the rotation of motor 201 is passed to roller 203, roller 203 utilizes steel wire 209 to drive the executive module 300 being arranged in pedestal 100 cavity around its axial rotation, thus drive balance assembly 400 and rudder face to rotate, the angle rotated accurately is measured by the internal encoder of motor 201, so achieving the accurate control to control surface deflection angle. Rudder face load is accurately measured by the balance assembly 400 being arranged in executive module 300.
Described pedestal 100 comprises pedestal cover plate 101, Base body 102, end cap 103 and steel wire position-limiting drum 104. Steel wire position-limiting drum 104 is fixed by flange face on the left of screw and Base body 102, and left side is fixed by screw and drive-motor 201, and the first groove 1041 of inner side, the 2nd groove 1042 is for installing steel wire 209, and limits it and slide in groove; Base body 102 is one-piece construction, mainly comprises installation shaft 1021, cylindrical hole 1022. Installation shaft 1021 coordinates with the first bearing 204, the 2nd bearing 205, drives assembly 200 for supporting control surface deflection. Cylindrical hole 1022 coordinates with the steel ball group 304 of executive module 300, thus is installed in Base body 102 by executive module 300; Pedestal cover plate 101 is one-piece construction, fixed by screw and Base body 102, circular cone hole 1011 coordinates with the steel ball group 305 of executive module 300, thus is installed on by executive module 300 in the cavity that Base body 102 and pedestal cover plate 101 form, and can around axial rotation; Base body 102 right side is used for inserting the circular hole sealing of instrument by described end cap 103 by screw.
Control surface deflection drives assembly 200 to comprise drive-motor 201, input shaft 202, roller 203, first bearing 204, the 2nd bearing 205, bearing end cap 206, preloading spring sheet 207, rope hoop 208 and steel wire 209. Described drive-motor 201 is arranged on steel wire position-limiting drum 104 left end face by screw, and the output shaft of drive-motor 201 coordinates with input shaft 202, thus drives input shaft to rotate; Described input shaft 202 is connected with right roller 203 by screw, and the rotation of drive-motor 201 is passed to roller 203. Preloading spring sheet 207 is installed by screw in the left side in the big footpath of input shaft 202. Steel wire 209 passes the first circular hole, the 2nd circular hole of input shaft 202, and utilizes rope hoop 208 to be fixed on preloading spring sheet 207 by the two ends of steel wire; In described roller 203, hole coordinates with the first bearing 204, the 2nd bearing 205, is supported in the installation shaft 1021 of Base body 102. Steel wire 209, for installing steel wire 209, is wrapped in groove 2031 by the rotation of roller 203 by surface grooves 2031; Described bearing end cap 206 is fixed by screws in the left end of installation shaft 1021, thus limits the axial motion of bearing; Described preloading spring sheet 207 is arranged on the left side in the big footpath of input shaft 202 by screw, is fixed in the open slot of preloading spring sheet 207 at the two ends of steel wire 209 by rope hoop 208, and is in tight state, thus ensures the accurate degree that angle is transmitted.
Executive module 300 comprises steel ball group B301, performs to take turns B302, wireline briquetting 303, perform wheel A304 and steel ball group A305. Described steel ball group B coordinates with the conical surface 3021 of execution wheel B302, the cylindrical hole 1022 of Base body 102 respectively, thus is installed in Base body 102 by executive module 300, and can around its axial rotation; Performing wheel B302 is one-piece construction, comprises the conical surface 3021, groove 3022, cylindrical hole 3023. The conical surface 3021 coordinates with steel ball group B304. Steel wire 209 is installed in groove 3022 inside. Cylindrical hole 3023 coordinates with balance shoulder, thus is arranged on by balance and performs wheel B302 inside; Described wireline briquetting 303 is fixed by screws in the plane performed on the right side of wheel B302, and is pressed on by steel wire 209 in the groove 3022 performing wheel B302, prevents both from occurring relatively sliding to affect the accurate degree of angle transmission; Performing wheel A304 is one-piece construction, is fixed on the flange face 3024 performing wheel B302 by screw, and key 3041 coordinates with the groove 401 of balance assembly 400, thus drives balance assembly 400 to rotate; Steel ball group A305 coordinates with the circular cone hole 1011 performing cylindrical section, pedestal cover plate 101 outside wheel A304 respectively, thus makes in the cavity that executive module 300 is fixed on pedestal 100, and can around axial rotation.
The present invention provides a kind of wireline transmission formula diaxon rudder and partially controls device for measuring force, it is characterised in that, comprising:
Pedestal, it is provided with installation shaft;
Control surface deflection drives assembly, comprising: drive-motor, input shaft and roller, described drive-motor is fixedly installed on described pedestal, described input shaft one end is connected with output shaft and the preloading spring sheet of drive-motor, being provided with groove on described roller and be connected with the described input shaft the other end, described groove arranges installation wireline;
Executive module, it comprises and performs wheel around what described installation shaft was rotated, described execution wheel is provided with groove, arranges installation wireline in described groove;
Balance assembly, it is arranged in described executive module, for measuring rudder face load;
Rudder face, it is arranged in the installation groove of balance assembly;
Wireline, it drives described execution wheel to rotate by the rotation of described roller, thus drives balance assembly and rudder face to rotate, and described wireline two ends are fixed in the open slot of described preloading spring sheet so that described wireline is in tight state.
Preferred version is: described pedestal comprises:
Base body;
Steel wire position-limiting drum, its one end is fixedly connected with described Base body, and the other end is fixedly connected with described drive-motor;
Pedestal cover plate, it is fixedly connected with described Base body, and forms cavity with described Base body;
End cap, on its end face being arranged on described Base body, for sealing the circular hole of insertion instrument.
Preferred version is: described steel wire position-limiting drum, and its one end is fixedly connected with the flange face of Base body by screw, and the other end is fixedly connected with described drive-motor by screw.
Preferred version is: be provided with the first groove and the 2nd groove that restriction steel wire slides inside described steel wire position-limiting drum.
Preferred version is: described executive module also comprises two steel ball groups and wireline briquetting.
Preferred version is: described steel ball group coordinates with described execution wheel and Base body, is arranged in described Base body by described executive module, and described executive module is rotated around described installation shaft.
Preferred version is: described wireline briquetting is used for being pressed on by wireline in the described groove performing wheel, prevents both relatively sliding.
Preferred version is: described driving assembly also comprises the first bearing and the 2nd bearing, described roller by with described first bearing and the 2nd bearing fit, be supported in described installation shaft.
Preferred version is: described driving assembly also comprises bearing end cap, and described bearing end cap is arranged on one end of described installation shaft, for limiting the axial motion of bearing.
Preferred version is: described executive module is arranged on described pedestal cover plate and described Base body is formed in cavity.
The useful effect of the present invention is as follows:
1, test efficiency height, it is possible to automatically change rudder drift angle when not interrupting wind1 tunnel trial and run, greatly reduce time and cost economically, improve wind1 tunnel trial efficiency significantly.
2, improve the control accuracy that rudder is inclined, rudder inclination angle accurately can be controlled by the encoder of motor internal, the machining error avoiding use angle pin (lock) and produce.
3, can same control, measure two rudder faces the inclined and suffered load of rudder.
4, whole apparatus structure is compact, volume is little, easy to operate, it is possible to be applied to major part hinge moment test model in.
Although embodiment of the present invention are open as above, but listed utilization that it is not restricted in specification sheets and enforcement mode, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore claim is not being deviated from and under general concept that equivalency range limits, the present invention is not limited to specific details and illustrates and the legend described here.
Claims (10)
1. a wireline transmission formula diaxon rudder controls device for measuring force partially, it is characterised in that, comprising:
Pedestal, it is provided with installation shaft;
Control surface deflection drives assembly, comprising: drive-motor, input shaft and roller, described drive-motor is fixedly installed on described pedestal, described input shaft one end is connected with output shaft and the preloading spring sheet of drive-motor, described roller is provided with groove and is connected with the described input shaft the other end, wireline is installed in described groove;
Executive module, it comprises and performs wheel around what described installation shaft was rotated, and described execution wheel is provided with groove, installs wireline in described groove;
Balance assembly, it is arranged in described executive module, for measuring rudder face load;
Rudder face, it is arranged in the installation groove of balance assembly;
Wireline, it drives described execution wheel to rotate by the rotation of described roller, thus drives balance assembly and rudder face to rotate, and described wireline two ends are fixed in the open slot of described preloading spring sheet so that described wireline is in tight state.
2. wireline transmission formula diaxon rudder according to claim 1 controls device for measuring force partially, it is characterised in that, described pedestal comprises:
Base body;
Steel wire position-limiting drum, its one end is fixedly connected with described Base body, and the other end is fixedly connected with described drive-motor;
Pedestal cover plate, it is fixedly connected with described Base body, and forms cavity with described Base body;
End cap, on its end face being arranged on described Base body, for sealing the circular hole of insertion instrument.
3. wireline transmission formula diaxon rudder according to claim 2 controls device for measuring force partially, it is characterised in that, described steel wire position-limiting drum, its one end is fixedly connected with the flange face of Base body by screw, and the other end is fixedly connected with described drive-motor by screw.
4. wireline transmission formula diaxon rudder according to claim 2 controls device for measuring force partially, it is characterised in that, it is provided with the first groove and the 2nd groove that restriction steel wire slides inside described steel wire position-limiting drum.
5. wireline transmission formula diaxon rudder according to claim 1 controls device for measuring force partially, it is characterised in that, described executive module also comprises steel ball group and wireline briquetting.
6. wireline transmission formula diaxon rudder according to claim 5 controls device for measuring force partially, it is characterized in that, described steel ball group coordinates with described execution wheel and Base body, is arranged in described Base body by described executive module, and described executive module is rotated around described installation shaft.
7. wireline transmission formula diaxon rudder according to claim 5 controls device for measuring force partially, it is characterised in that, described wireline briquetting is used for being pressed on by wireline in the described groove performing wheel, prevents both relatively sliding.
8. wireline transmission formula diaxon rudder according to claim 1 controls device for measuring force partially, it is characterized in that, described driving assembly also comprises the first bearing and the 2nd bearing, described roller by with described first bearing and the 2nd bearing fit, be supported in described installation shaft.
9. wireline transmission formula diaxon rudder according to claim 1 controls device for measuring force partially, it is characterised in that, described driving assembly also comprises bearing end cap, and described bearing end cap is arranged on one end of described installation shaft, for limiting the axial motion of bearing.
10. wireline transmission formula diaxon rudder according to claim 2 controls device for measuring force partially, it is characterised in that, described executive module is arranged on described pedestal cover plate and described Base body is formed in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992508.9A CN105628327B (en) | 2015-12-24 | 2015-12-24 | A kind of two axis rudder of wire rope gearing formula controls device for measuring force partially |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992508.9A CN105628327B (en) | 2015-12-24 | 2015-12-24 | A kind of two axis rudder of wire rope gearing formula controls device for measuring force partially |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628327A true CN105628327A (en) | 2016-06-01 |
| CN105628327B CN105628327B (en) | 2018-06-01 |
Family
ID=56043466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510992508.9A Active CN105628327B (en) | 2015-12-24 | 2015-12-24 | A kind of two axis rudder of wire rope gearing formula controls device for measuring force partially |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105628327B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623951A (en) * | 2020-04-28 | 2020-09-04 | 中国航天空气动力技术研究院 | Wind tunnel model multi-attitude coupling real-time force measuring device and test method |
| CN111623950A (en) * | 2020-04-28 | 2020-09-04 | 中国航天空气动力技术研究院 | Hinge moment measuring device, system and method for automatically deflecting control surface |
| CN114001906A (en) * | 2021-11-02 | 2022-02-01 | 中国空气动力研究与发展中心超高速空气动力研究所 | Automatic rudder deflection angle changing device for hypersonic wind tunnel hinge moment measurement test and use method thereof |
| CN114001907A (en) * | 2021-11-02 | 2022-02-01 | 中国空气动力研究与发展中心超高速空气动力研究所 | Test device design and use method for simultaneous deflection angle of balance and control surface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944376A (en) * | 2012-11-30 | 2013-02-27 | 中国航天空气动力技术研究院 | Wind tunnel test device |
| CN202956259U (en) * | 2012-12-11 | 2013-05-29 | 长沙理工大学 | Device for testing aerodynamic force of moving vehicles |
| CN104503483A (en) * | 2014-11-28 | 2015-04-08 | 中国航空工业空气动力研究院 | Controllable strake wing/canard wing pitching angle movement system of airplane wind tunnel test model |
-
2015
- 2015-12-24 CN CN201510992508.9A patent/CN105628327B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944376A (en) * | 2012-11-30 | 2013-02-27 | 中国航天空气动力技术研究院 | Wind tunnel test device |
| CN202956259U (en) * | 2012-12-11 | 2013-05-29 | 长沙理工大学 | Device for testing aerodynamic force of moving vehicles |
| CN104503483A (en) * | 2014-11-28 | 2015-04-08 | 中国航空工业空气动力研究院 | Controllable strake wing/canard wing pitching angle movement system of airplane wind tunnel test model |
Non-Patent Citations (1)
| Title |
|---|
| 王军: "钢丝绳牵引舵***控制策略的研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623951A (en) * | 2020-04-28 | 2020-09-04 | 中国航天空气动力技术研究院 | Wind tunnel model multi-attitude coupling real-time force measuring device and test method |
| CN111623950A (en) * | 2020-04-28 | 2020-09-04 | 中国航天空气动力技术研究院 | Hinge moment measuring device, system and method for automatically deflecting control surface |
| CN114001906A (en) * | 2021-11-02 | 2022-02-01 | 中国空气动力研究与发展中心超高速空气动力研究所 | Automatic rudder deflection angle changing device for hypersonic wind tunnel hinge moment measurement test and use method thereof |
| CN114001907A (en) * | 2021-11-02 | 2022-02-01 | 中国空气动力研究与发展中心超高速空气动力研究所 | Test device design and use method for simultaneous deflection angle of balance and control surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105628327B (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102944376B (en) | Wind tunnel test device | |
| CN105628327A (en) | Steel wire rope transmission type two-shaft rudder deflection control force measurement device | |
| CN102914442B (en) | One-way pressure dynamic loading device | |
| CN105527068A (en) | Wind tunnel dynamic force measurement test device for canard configuration rotating missile | |
| CN103574153B (en) | Control valve for liquid phase chromatographic analysis method | |
| CN102564379B (en) | Method and device for measuring and selecting gasket of taper bearing | |
| CN106840574A (en) | A kind of device for wind-tunnel dynamic derivative forced vibration tests | |
| CN107238457A (en) | A kind of low thrust measurement apparatus | |
| CN102393304A (en) | Sliding barrel type central frame used in solid rocket motor static test | |
| CN102430918B (en) | Coaxiality guide and correction device and guide and correction method using same | |
| CN202710670U (en) | Single-shaft heavy antenna testing rotary table | |
| CN102426085A (en) | Device and method for testing contact rigidity of spherical surface-rotary surface combining surface | |
| CN106017934A (en) | Automobile hub bearing tester | |
| CN104647027A (en) | Vertical intelligent high-pressure rotor assembly device with elastic structure | |
| CN205327440U (en) | Electric steering engine radial force loading device | |
| KR20130116737A (en) | The mass-flow control device for super sonic wind-tunnel testing and wind-tunnel testing apparatus having the same | |
| CN110530637A (en) | Planetary roller screw dynamic property general-utility test platform | |
| CN106584353A (en) | Steering engine gear shaft pressing device | |
| CN109612615A (en) | The test device of automobile hub bearing load friction torque | |
| CN105571555A (en) | Measuring device of shield tail gap of shield tunneling machine and measuring method thereof | |
| CN103592218A (en) | Elastomer rubber sealing ring drag reduction test device and elastomer rubber sealing ring/non-smooth surface integrated drag reduction test device | |
| CN205404114U (en) | Axial force loading measuring device | |
| CN110873159A (en) | Underwater screw rod sliding block transmission device | |
| CN106840590A (en) | A kind of component of miniaturized large-load integral type five dynamic pitching balance | |
| CN106949814A (en) | Rapid assembling and adjusting device for precisely assembled bearing and using method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |