CN107036783A - A kind of carrier aircraft support prepared for captive trajectory testing ground - Google Patents

A kind of carrier aircraft support prepared for captive trajectory testing ground Download PDF

Info

Publication number
CN107036783A
CN107036783A CN201611237473.9A CN201611237473A CN107036783A CN 107036783 A CN107036783 A CN 107036783A CN 201611237473 A CN201611237473 A CN 201611237473A CN 107036783 A CN107036783 A CN 107036783A
Authority
CN
China
Prior art keywords
carrier aircraft
poppet
hinge component
normal direction
support arm
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
Application number
CN201611237473.9A
Other languages
Chinese (zh)
Inventor
孙鹏飞
鲁文博
陈雪冬
刘斌
赵长辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AVIC Shenyang Aerodynamics Research Institute
Original Assignee
AVIC Shenyang Aerodynamics Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AVIC Shenyang Aerodynamics Research Institute filed Critical AVIC Shenyang Aerodynamics Research Institute
Priority to CN201611237473.9A priority Critical patent/CN107036783A/en
Publication of CN107036783A publication Critical patent/CN107036783A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/06Measuring arrangements specially adapted for aerodynamic testing
    • G01M9/062Wind tunnel balances; Holding devices combined with measuring arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

The invention belongs to aviation aerodynamic force wind-tunnel technique field, it is related to a kind of carrier aircraft support prepared for captive trajectory testing ground.It is characterized in that:It includes door shape support frame, translation mechanism and guide rod cranking block mechanism;Translation mechanism includes spiral lift 5, line slideway 6, sliding block installing plate 7 and after-poppet 9;Guide rod cranking block mechanism includes servo electric jar 1, electronic jar 2, pitching support arm 4, after-poppet 9, the 1st hinge component 10, the 2nd hinge component 11 and the 3rd hinge component 12.The present invention proposes a kind of carrier aircraft support prepared for captive trajectory testing ground, solve the problem that carrier aircraft can not be supported when captive trajectory testing ground prepares, shorten the preparation for carrying out captive trajectory testing state and check the test period taken, improve the service efficiency of wind-tunnel.

Description

A kind of carrier aircraft support prepared for captive trajectory testing ground
Technical field
The invention belongs to aviation aerodynamic force wind-tunnel technique field, it is related to a kind of captive trajectory testing ground that is used for and prepares Carrier aircraft support.Experiment posture of the carrier aircraft in wind-tunnel can specifically be simulated, prepared for captive trajectory testing ground Carrier aircraft support meanss.
Background technology
Captive trajectory testing is a kind of extraordinary wind tunnel test for studying store Combinations and carrier separation security feature, experiment China and foreign countries The separation for hanging thing and carrier aircraft is realized by a kind of six-freedom motion mechanism.Wherein, carrier aircraft supports real using wind tunnel model support Existing its angle of pitch change, store Combinations use six-freedom motion mechanism supports.Adjusted by controlling mechanism in six degree of freedom plug-in The initial relative position of thing and carrier aircraft, is the necessary condition that guarantee test is smoothed out.According to test requirements document to store Combinations with carrying Machine relative position relation carries out static simulation, can check the running status of six degree of freedom, and asking of being likely to occur is investigated out in time Topic.Currently, the preparation of captive trajectory testing state and review time occupy the test period of wind-tunnel, reduce the use of wind-tunnel Efficiency.It is more and more with wind tunnel test, take wind-tunnel facilities and carry out experiment and prepare meet experiment demand.It need to grind Make the ground supports structure of a carrier aircraft to simulate holding state of the carrier aircraft in wind-tunnel, while realizing the phase of wind tunnel model support Close function.Current wind tunnel test ground preparation model support is all fixed static, it is impossible to carry out pitching and normal direction motion, nothing Method meets the ground preparation requirement of captive trajectory testing.
The content of the invention
The purpose of the present invention is:A kind of carrier aircraft support prepared for captive trajectory testing ground is proposed, to solve to catch The problem that carrier aircraft can not be supported when trajectory tests ground prepares is obtained, the preparation and inspection for shortening progress captive trajectory testing state are accounted for Test period, improves the service efficiency of wind-tunnel.
The technical scheme is that:A kind of carrier aircraft support prepared for captive trajectory testing ground, it is characterised in that: It includes door shape support frame, translation mechanism and guide rod cranking block mechanism;
Door shape support frame is made up of 2 column 8a, 1 long beam 8b, 2 normal direction columns 3 and 4 tail trimmer 8c, and 2 are stood Post 8a upper end is vertical with long beam 8b two ends respectively to be connected as under entirety, the upper end of 2 normal direction columns 3 and long beam 8b Surface is vertically connected as entirety, positioned at the middle part and lower end of the normal direction column 3 on the left side by 2 tail trimmer 8c with being located at the left side Column 8a is connected as entirety, and 2 tail trimmer 8c and standing positioned at the right are passed through positioned at the middle part and lower end of the normal direction column 3 on the right The space that post 8a is connected as between entirety, 2 normal direction columns 3 turns into the installing space of translation mechanism and guide rod cranking block mechanism;
Translation mechanism includes spiral lift 5, line slideway 6, sliding block installing plate 7 and after-poppet 9;Spiral lift 5 one End is arranged on the leading flank of long beam 8b in door shape support frame, and the other end is linked together with after-poppet 9, and after-poppet 9 is fixed on On sliding block installing plate 7, the both sides of sliding block installing plate 7 are separately mounted on 2 line slideways 6, and line slideway 6 is separately fixed at a shape The trailing flank of 2 normal direction columns 3 of support frame or so;It is spiral lift 5 and long beam 8b, line slideway 6 and normal direction column 3, straight It is bolted between line guide rail 6 and after-poppet 9, spiral lift 5 and after-poppet 9;
Guide rod cranking block mechanism includes servo electric jar 1, electronic jar 2, pitching support arm 4, after-poppet 9, the 1st hinge component 10th, the 2nd hinge component 11 and the 3rd hinge component 12;Electronic jar 2 is bolted on after-poppet 9, servo electric jar 1 is fixed together by the 3rd hinge component 12 and electronic jar 2, and pitching support arm 4 passes through the 2nd hinge component 11 and servo electricity Dynamic cylinder 1 is fixed together, and after-poppet 9 is fixed together by the 1st hinge component 10 and pitching support arm 4;1st hinge component 10, 2nd hinge component 11 and the 3rd hinge component 12 are rotary gemel, and two parts that can limit its connection can only be along hinge axes Carry out relative rotary motion.
The running of translation mechanism and guide rod cranking block mechanism is:The carrier aircraft angle of attack as needed, controls servo electric jar 1 Stroke, 1st hinge component 10 of the pitching support arm 4 around the lower section of normal direction girder 3 is rotated and is reached the given carrier aircraft angle of attack;According to Carrier aircraft change in angle of attack amount calculates carrier aircraft high variable quantity, and control spiral lift 5 makes after-poppet 9 and sliding block installing plate 7 along installation Line slideway 6 on normal direction column 3 is moved;Because pitching support arm 4 is fixed together with after-poppet 9, therefore installed in pitching branch The carrier aircraft of the front end of arm 4 carries out vertical motion with pitching support arm 4, compensate for because of the Normal Displacement amount that carrier aircraft change in angle of attack is produced.
It is an advantage of the invention that:A kind of carrier aircraft support prepared for captive trajectory testing ground is proposed, solves and catches The problem that carrier aircraft can not be supported when trajectory tests ground prepares is obtained, the preparation and inspection for carrying out captive trajectory testing state is shortened The test period of occupancy, improves the service efficiency of wind-tunnel.
Brief description of the drawings
Fig. 1 is the partial structural diagram of the present invention.
Fig. 2 is Fig. 1 right view, illustrate only the drawing of center section.
Fig. 3 is the axonometric drawing of monnolithic case of the present invention.
Embodiment
The present invention is described in further details below.Referring to Fig. 1 to Fig. 3, it is accurate that one kind is used for captive trajectory testing ground Standby carrier aircraft support, it is characterised in that:It includes door shape support frame, translation mechanism and guide rod cranking block mechanism;
Door shape support frame is made up of 2 column 8a, 1 long beam 8b, 2 normal direction columns 3 and 4 tail trimmer 8c, and 2 are stood Post 8a upper end is vertical with long beam 8b two ends respectively to be connected as under entirety, the upper end of 2 normal direction columns 3 and long beam 8b Surface is vertically connected as entirety, positioned at the middle part and lower end of the normal direction column 3 on the left side by 2 tail trimmer 8c with being located at the left side Column 8a is connected as entirety, and 2 tail trimmer 8c and standing positioned at the right are passed through positioned at the middle part and lower end of the normal direction column 3 on the right The space that post 8a is connected as between entirety, 2 normal direction columns 3 turns into the installing space of translation mechanism and guide rod cranking block mechanism;
Translation mechanism includes spiral lift 5, line slideway 6, sliding block installing plate 7 and after-poppet 9;Spiral lift 5 one End is arranged on the leading flank of long beam 8b in door shape support frame, and the other end is linked together with after-poppet 9, and after-poppet 9 is fixed on On sliding block installing plate 7, the both sides of sliding block installing plate 7 are separately mounted on 2 line slideways 6, and line slideway 6 is separately fixed at a shape The trailing flank of 2 normal direction columns 3 of support frame or so;It is spiral lift 5 and long beam 8b, line slideway 6 and normal direction column 3, straight It is bolted between line guide rail 6 and after-poppet 9, spiral lift 5 and after-poppet 9;
Guide rod cranking block mechanism includes servo electric jar 1, electronic jar 2, pitching support arm 4, after-poppet 9, the 1st hinge component 10th, the 2nd hinge component 11 and the 3rd hinge component 12;Electronic jar 2 is bolted on after-poppet 9, servo electric jar 1 is fixed together by the 3rd hinge component 12 and electronic jar 2, and pitching support arm 4 passes through the 2nd hinge component 11 and servo electricity Dynamic cylinder 1 is fixed together, and after-poppet 9 is fixed together by the 1st hinge component 10 and pitching support arm 4;1st hinge component 10, 2nd hinge component 11 and the 3rd hinge component 12 are rotary gemel, and two parts that can limit its connection can only be along hinge axes Carry out relative rotary motion.
The running of translation mechanism and guide rod cranking block mechanism is:The carrier aircraft angle of attack as needed, controls servo electric jar 1 Stroke, 1st hinge component 10 of the pitching support arm 4 around the lower section of normal direction girder 3 is rotated and is reached the given carrier aircraft angle of attack;According to Carrier aircraft change in angle of attack amount calculates carrier aircraft high variable quantity, and control spiral lift 5 makes after-poppet 9 and sliding block installing plate 7 along installation Line slideway 6 on normal direction column 3 is moved;Because pitching support arm 4 is fixed together with after-poppet 9, therefore installed in pitching branch The carrier aircraft of the front end of arm 4 carries out vertical motion with pitching support arm 4, compensate for because of the Normal Displacement amount that carrier aircraft change in angle of attack is produced.
The present invention operation principle be:The carrier aircraft angle of attack as needed, controls the stroke of servo electric jar 1, makes pitching 1st hinge component 10 of the support arm 4 around the lower section of normal direction girder 3 rotates and reaches the given carrier aircraft angle of attack;According to carrier aircraft change in angle of attack amount Carrier aircraft high variable quantity is calculated, control spiral lift 5 makes after-poppet 9 and sliding block installing plate 7 along on normal direction column 3 Line slideway 6 is moved;Because pitching support arm 4 is fixed together with after-poppet 9, thus installed in the front end of pitching support arm 4 carrier aircraft with Pitching support arm 4 and carry out vertical motion, compensate for because of the Normal Displacement amount that carrier aircraft change in angle of attack is produced.
Embodiment:Carrier aircraft is arranged on the front end of pitching support arm 4, the carrier aircraft and the relative position of store Combinations simulated as needed And posture, control servo electric jar 1 and spiral lift 5, carrier aircraft is reached corresponding position and posture, you can to enter captive trajectory Test the preparation and bug check on ground.

Claims (1)

1. a kind of carrier aircraft support prepared for captive trajectory testing ground, it is characterised in that:It includes door shape support frame, translation Mechanism and guide rod cranking block mechanism;
Door shape support frame is made up of 2 columns (8a), 1 long beam (8b), 2 normal direction columns (3) and 4 tail trimmers (8c), and 2 The upper end of individual column (8a) is vertical with the two ends of long beam (8b) respectively to be connected as entirety, the upper end of 2 normal direction columns (3) and length The lower surface of crossbeam (8b) is vertically connected as entirety, and the middle part and lower end positioned at the normal direction column (3) on the left side pass through 2 tail trimmers (8c) is connected as entirety with the column (8a) positioned at the left side, and the middle part and lower end positioned at the normal direction column (3) on the right are short by 2 Crossbeam (8c) and the column (8a) positioned at the right be connected as space between entirety, 2 normal direction columns (3) turn into translation mechanism and The installing space of guide rod cranking block mechanism;
Translation mechanism includes spiral lift (5), line slideway (6), sliding block installing plate (7) and after-poppet (9);Spiral lift (5) one end is arranged on the leading flank of long beam (8b) in door shape support frame, and the other end links together with after-poppet (9), rear branch Frame (9) is fixed on sliding block installing plate (7), and sliding block installing plate (7) both sides are separately mounted on 2 line slideways (6), and straight line is led Rail (6) is separately fixed at the trailing flank of 2 normal direction columns (3) of shape support frame or so;Spiral lift (5) and long beam (8b), line slideway (6) and normal direction column (3), line slideway (6) and after-poppet (9), spiral lift (5) and after-poppet (9) Between be bolted;
Guide rod cranking block mechanism includes servo electric jar (1), electronic jar (2), pitching support arm (4), after-poppet (9), the 1st hinge Component (10), the 2nd hinge component (11) and the 3rd hinge component (12);Electronic jar (2) is bolted on after-poppet (9) on, servo electric jar (1) is fixed together by the 3rd hinge component (12) and electronic jar (2), and pitching support arm (4) leads to Cross the 2nd hinge component (11) to be fixed together with servo electric jar (1), after-poppet (9) passes through the 1st hinge component (10) and pitching Support arm (4) is fixed together;1st hinge component (10), the 2nd hinge component (11) and the 3rd hinge component (12) are rotary hinge Chain, can limit two parts of its connection can only carry out relative rotary motion along hinge axes.
The running of translation mechanism and guide rod cranking block mechanism is:The carrier aircraft angle of attack as needed, control servo electric jar (1) Stroke, makes 1st hinge component (10) of the pitching support arm (4) below normal direction girder (3) rotate and reach the given carrier aircraft angle of attack; Carrier aircraft high variable quantity is calculated according to carrier aircraft change in angle of attack amount, control spiral lift (5) makes after-poppet (9) and sliding block installing plate (7) along line slideway (6) motion being arranged on normal direction column (3);Because pitching support arm (4) and after-poppet (9) are connected in one Rise, therefore the carrier aircraft for being arranged on pitching support arm (4) front end compensate for because of the carrier aircraft angle of attack as pitching support arm (4) carries out vertical motion Change the Normal Displacement amount produced.
CN201611237473.9A 2016-12-28 2016-12-28 A kind of carrier aircraft support prepared for captive trajectory testing ground Pending CN107036783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611237473.9A CN107036783A (en) 2016-12-28 2016-12-28 A kind of carrier aircraft support prepared for captive trajectory testing ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611237473.9A CN107036783A (en) 2016-12-28 2016-12-28 A kind of carrier aircraft support prepared for captive trajectory testing ground

Publications (1)

Publication Number Publication Date
CN107036783A true CN107036783A (en) 2017-08-11

Family

ID=59530829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611237473.9A Pending CN107036783A (en) 2016-12-28 2016-12-28 A kind of carrier aircraft support prepared for captive trajectory testing ground

Country Status (1)

Country Link
CN (1) CN107036783A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107830987A (en) * 2017-12-04 2018-03-23 中国航空工业集团公司沈阳空气动力研究所 Captive trajectory testing mechanism in six degree of freedom store Combinations pole based on Bevel Gear Transmission
CN107860545A (en) * 2017-12-04 2018-03-30 中国航空工业集团公司沈阳空气动力研究所 The six degree of freedom system of large-scale transonic wind tunnel big load model captive trajectory testing
CN107991054A (en) * 2017-11-08 2018-05-04 江西洪都航空工业集团有限责任公司 A kind of captive trajectory experimental method
CN109297665A (en) * 2018-08-16 2019-02-01 中国航空工业集团公司沈阳空气动力研究所 Use the online test method of the captive trajectory of high accurancy and precision Aerodynamic Model
CN111289209A (en) * 2020-03-06 2020-06-16 中国空气动力研究与发展中心低速空气动力研究所 Model pitch angle motion supporting device suitable for wind tunnel test of wing-body fusion aircraft
CN116296225A (en) * 2023-05-18 2023-06-23 中国航空工业集团公司沈阳空气动力研究所 High-speed wind tunnel large-attack-angle test device based on arc-shaped curved knife attack-angle mechanism

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405210A1 (en) * 1977-10-06 1979-05-04 Sefac Elevator for heavy road vehicles - consists of two columns each with sliding rectangular frame formed of tubes and including chain attachment holes
JP2003294575A (en) * 2002-03-29 2003-10-15 Mitsubishi Heavy Ind Ltd Controlling method for model supporting device
CN101986160A (en) * 2010-05-19 2011-03-16 北京航空航天大学 Position-locking shooting method and device for carrying out particle image velocemetry (PIV) measurement under model dynamic pitching
CN103033335A (en) * 2012-12-12 2013-04-10 中国航空工业空气动力研究院 Slide rail type airplane model rear body release wind tunnel test device
CN103983459A (en) * 2014-05-21 2014-08-13 中国航天空气动力技术研究院 Supporting device capable of achieving rapid and continuous change of angle and bearing large load
CN103983393A (en) * 2014-05-21 2014-08-13 中国航天空气动力技术研究院 Large six-component measurement and angle-variable support device
CN103994748A (en) * 2014-05-27 2014-08-20 中国航天空气动力技术研究院 Method for estimating trim incidence angle of unmanned aerial vehicle by using flight and wind tunnel test data
CN105806585A (en) * 2016-05-11 2016-07-27 中国空气动力研究与发展中心高速空气动力研究所 High-speed wind tunnel large attack angle pitching dynamic stalling test device
CN206756423U (en) * 2016-12-28 2017-12-15 中国航空工业集团公司沈阳空气动力研究所 A kind of carrier aircraft support prepared for captive trajectory testing ground

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405210A1 (en) * 1977-10-06 1979-05-04 Sefac Elevator for heavy road vehicles - consists of two columns each with sliding rectangular frame formed of tubes and including chain attachment holes
JP2003294575A (en) * 2002-03-29 2003-10-15 Mitsubishi Heavy Ind Ltd Controlling method for model supporting device
CN101986160A (en) * 2010-05-19 2011-03-16 北京航空航天大学 Position-locking shooting method and device for carrying out particle image velocemetry (PIV) measurement under model dynamic pitching
CN103033335A (en) * 2012-12-12 2013-04-10 中国航空工业空气动力研究院 Slide rail type airplane model rear body release wind tunnel test device
CN103983459A (en) * 2014-05-21 2014-08-13 中国航天空气动力技术研究院 Supporting device capable of achieving rapid and continuous change of angle and bearing large load
CN103983393A (en) * 2014-05-21 2014-08-13 中国航天空气动力技术研究院 Large six-component measurement and angle-variable support device
CN103994748A (en) * 2014-05-27 2014-08-20 中国航天空气动力技术研究院 Method for estimating trim incidence angle of unmanned aerial vehicle by using flight and wind tunnel test data
CN105806585A (en) * 2016-05-11 2016-07-27 中国空气动力研究与发展中心高速空气动力研究所 High-speed wind tunnel large attack angle pitching dynamic stalling test device
CN206756423U (en) * 2016-12-28 2017-12-15 中国航空工业集团公司沈阳空气动力研究所 A kind of carrier aircraft support prepared for captive trajectory testing ground

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
陈学冬等: "基于集成多轴控制的载机模型运动控制***设计", 《2016航空试验测试技术学术交流会论文集》 *
黄叙辉等: "1.2m跨超声速风洞新型捕获轨迹***研制", 《实验流体力学》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107991054A (en) * 2017-11-08 2018-05-04 江西洪都航空工业集团有限责任公司 A kind of captive trajectory experimental method
CN107991054B (en) * 2017-11-08 2019-10-18 江西洪都航空工业集团有限责任公司 A kind of captive trajectory experimental method
CN107830987A (en) * 2017-12-04 2018-03-23 中国航空工业集团公司沈阳空气动力研究所 Captive trajectory testing mechanism in six degree of freedom store Combinations pole based on Bevel Gear Transmission
CN107860545A (en) * 2017-12-04 2018-03-30 中国航空工业集团公司沈阳空气动力研究所 The six degree of freedom system of large-scale transonic wind tunnel big load model captive trajectory testing
CN107860545B (en) * 2017-12-04 2024-04-12 中国航空工业集团公司沈阳空气动力研究所 Six-degree-of-freedom system for large transonic wind tunnel large load model capture track test
CN107830987B (en) * 2017-12-04 2024-04-12 中国航空工业集团公司沈阳空气动力研究所 Six-degree-of-freedom mechanism store strut for capture track test based on bevel gear transmission
CN109297665A (en) * 2018-08-16 2019-02-01 中国航空工业集团公司沈阳空气动力研究所 Use the online test method of the captive trajectory of high accurancy and precision Aerodynamic Model
CN111289209A (en) * 2020-03-06 2020-06-16 中国空气动力研究与发展中心低速空气动力研究所 Model pitch angle motion supporting device suitable for wind tunnel test of wing-body fusion aircraft
CN116296225A (en) * 2023-05-18 2023-06-23 中国航空工业集团公司沈阳空气动力研究所 High-speed wind tunnel large-attack-angle test device based on arc-shaped curved knife attack-angle mechanism
CN116296225B (en) * 2023-05-18 2023-07-21 中国航空工业集团公司沈阳空气动力研究所 High-speed wind tunnel large-attack-angle test device based on arc-shaped curved knife attack-angle mechanism

Similar Documents

Publication Publication Date Title
CN107036783A (en) A kind of carrier aircraft support prepared for captive trajectory testing ground
CN102156036B (en) Bump peristaltic test machine used for vehicle seat
CN103303493B (en) A kind of large aircraft strength test wing loads bringing device
CN102494908A (en) Servo-motor aerodynamic load analog device of aircraft landing gear folding and unfolding
CN106932187B (en) Device and method for testing protruding of nose landing gear of carrier-based aircraft
CN102530264B (en) Pneumatic load simulator for undercarriage control test
CN107290123B (en) The big angle of attack device of multiple degrees of freedom wind-tunnel
CN102717897A (en) Aerodynamic loading system and loading method for undercarriage self-control spring-damping system
CN203310604U (en) Tooling mechanism with three degrees of freedom
CN102779438A (en) Flight simulated mechanical execution system simulating full-motion of airplane
CN208653748U (en) A kind of pantograph and contact net contact analysis testing stand
CN204008006U (en) A kind of pipeline internal force balance system
CN206756423U (en) A kind of carrier aircraft support prepared for captive trajectory testing ground
CN107010245B (en) Flap control surface servo loading mechanism
CN105068449B (en) Experimental provision is waved in a kind of overhead transmission line numerical control
CN203365137U (en) Large slewing bearing test device
CN203005759U (en) Undercarriage loading following device
JP7158076B2 (en) Launcher injection track device
CN204290838U (en) A kind of adjustable connecting-rod formula solar energy tracking support
CN203396567U (en) Durability test clamp for double shaft components of automobile exhaust system
CN208568218U (en) The torsional rigidity test of vehicular platform of passenger car torsion beam
CN102928241A (en) Method for examining and testing mechanical interfaces of vehicle body and bogies
CN209570348U (en) A kind of aero-engine simple test stand frame
CN203343672U (en) Car body lifting and locating mechanism for welding line
CN205879551U (en) Damper test stand frame

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170811