CN103558050A - Multifunctional load stimulation test stand - Google Patents
Multifunctional load stimulation test stand Download PDFInfo
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- CN103558050A CN103558050A CN201310590651.6A CN201310590651A CN103558050A CN 103558050 A CN103558050 A CN 103558050A CN 201310590651 A CN201310590651 A CN 201310590651A CN 103558050 A CN103558050 A CN 103558050A
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Abstract
A multifunctional load stimulation test stand comprises a base, a load steering engine, a load steering engine fixing lug base, a load steering engine front-and-back position adjusting wedge block, a load steering engine left-and-right position adjusting block, a pull pressure sensor, a connecting flange, a load steering lug ring shaft, a middle inertia block, a measured steering engine output shaft, a measured steering engine, a measured steering engine installing plate, a rack, a gear, a gear shaft, a gear shaft support, a rolling bearing, a middle bracket, an inertia disc, an anti-rotation cross, a threaded end cap, a lateral force prevention guide wheel, a load steering engine output shaft, an adaptor, a dowel, a guide wheel baffle, a gear shaft support bearing, a load steering engine left-and-right position adjusting screw and a measured steering engine lug ring shaft. By the adoption of the test stand, the performance of the measured steering engine is accurately and reliably tested through the simplest structure and operation most convenient to conduct and at lowest using cost. The multifunctional load stimulation test stand has the advantages of being convenient to demount and mount and high in universality of an installing conversion structure, and can also be suitable for other equipment needing loading.
Description
Technical field
The present invention relates to a kind of multi-functional load simulator stand, it is by carrying out the simulation of load and load end inertia to tested steering wheel, thereby the technical performance index to tested steering wheel is tested, the vehicle rudder that is particularly useful for Aero-Space ground hardware-in-the-loop simulation drives the simulation test of the suffered load of steering wheel and load end inertia.Belong to Aero-Space simulation test equipment technical field.
Background technology
Multi-functional load simulator stand is the visual plant of the rudder face driving suffered load of steering wheel awing of the aircraft such as hardware-in-the-loop simulation laboratory, ground dynamic similation guided missile and load end inertia, and it is the important component part of the large loop semi matter simulating system of aircraft.Along with scientific and technical development, more and more higher to the requirement of the maneuverability of aircraft and control accuracy, and then load simulator loading performance is proposed to more and more higher requirement, promoted thus the progress of load simulator.It is the important component part of aircraft flight control system that rudder face drives steering wheel, its technical feature has vital impact to the reliability of aircraft, operability and security, therefore under experiment condition, the performance of steering wheel is tested to very great meaning.
Patented claim of the present invention is under laboratory condition, to reappear the rudder face of aircraft to drive the suffered load of steering wheel and the inertia of load end, according to the parameters of tested steering wheel, whether the technical performance index that detects tested steering wheel meets the demands, and also can be used for control and the test of the aspects such as position, speed, acceleration and power of tested steering wheel.
Current known load simulating device framework is complicated, bulky or load-bearing capacity is limited, cannot accurately realize the dynamic similation of load, more cannot fictitious load end inertia.The comfortableness of the simple and convenient and testing crew that existing load simulating device majority is not considered installation, dismounting, changes and operated; Simultaneously existing load simulating device is not considered the stressing conditions of testing table main body yet, and the problem that how effectively to reduce radial imbalance force in loading procedure, and this can not be ignored more for seeming under high-power, high-torque load condition; Existing load simulating device is less to simulation considerations such as rudder face inertia in addition, and major part can only be simulated fixedly inertia even can not realize the simulation of inertia.Patented claim of the present invention for the faultiness design of existing load simulating device this Multifunctional negative load simulation experimental device, wherein loading steering wheel and tested steering wheel installs top, the input load of the power output of steering wheel as tested steering wheel will be loaded, the power output that loads steering wheel by change changes the load of tested steering wheel, the suffered dynamic load of simulated flight device rudder face; Utilize pure physical construction to realize the simulation to load end inertia, by providing for simple replacement of or adding parts and just can realize the approximate continuity of inertia and regulate.Multifunctional negative load simulation experimental device of the present invention is simple in structure, low cost of manufacture, versatility and strong operability, simultaneously by improving the flexing resistance of Multifunctional negative load simulation experimental device and reducing radial imbalance force, thereby has effectively improved safe reliability.
Summary of the invention
The object of the present invention is to provide a kind of multi-functional load simulator stand, it is the testing table of the rudder face driving suffered load of steering wheel awing of a kind of simulated flight device and load end inertia, thereby whether test steering wheel performance meets flight requirement.This testing table can carry out accurately, test reliably the performance of tested steering wheel with the operation of the simplest structure, most convenient and minimum use cost, the present invention simultaneously has advantages of easy accessibility and transformational structure highly versatile is installed, so also go for the equipment that other need to load.
In order to realize foregoing invention object, the present invention has adopted following technical scheme:
A kind of multi-functional load simulator stand of the present invention, it comprises base, load steering wheel, load steering wheel fixed ear base, load steering wheel front and back position and adjust wedge, load position, steering wheel left and right adjustment block, pull pressure sensor, joint flange, load steering wheel earrings axle, middle inertia piece, tested steering wheel output shaft, tested steering wheel, tested steering wheel installing plate, tooth bar, gear, gear shaft, gear shaft bearing, rolling bearing, intermediate support, inertia dish, anti-rotation " ten " cabinet frame, screw plug, anti-side force angle sheave, load steering wheel output shaft, adapter, pin, angle sheave baffle plate, gear shaft supporting bearing and loading steering wheel left and right position adjusting screw, tested steering wheel earrings axle, position annexation between them is: load steering wheel and be arranged on and loaded on steering wheel fixed ear base by its cylinder body gudgeon, load steering wheel output shaft and be connected with pull pressure sensor with adapter by joint flange, tested steering wheel is threaded fixing with tested steering wheel installing plate, fixing to be threaded between tested steering wheel installing plate and base, tested steering wheel output shaft is connected with pull pressure sensor with adapter by joint flange, the two ends, left and right of middle inertia piece are connected by pin with tested steering wheel earrings axle with loading steering wheel earrings axle respectively, an axle is respectively stretched out in the rear and front end of middle inertia piece, and shaft end is equipped with rolling bearing and anti-side force angle sheave, the upper end of inertia piece in the middle of tooth bar is arranged on by screw, gear is fixed on gear shaft, and gear shaft is placed on gear shaft bearing, and the mode that gear shaft bearing connects to be threaded is arranged on intermediate support, and intermediate support is threaded connection and is fixed on base, inertia dish is placed in the two ends of gear shaft, and uses anti-rotation " ten " cabinet frame to fix, and prevents that friction force when inertia dish rotates from making screw plug loosening, and screw plug is arranged on gear the tip of the axis, for the axial restraint of inertia dish, and prevents from becoming flexible.
The one-piece construction of described base adopts box hardware, alleviated the quality of whole testing table, the main body part of the force of base is two vertical integral plates, and be aided with reinforcement, such structure has been shared the loading force of straight line loading system preferably, thereby the anti-bending strength of whole testing table is improved largely;
Described loading steering wheel is a servo loading oil cylinder, and its structure is two rod double acting symmetrical expression hydraulic cylinders, and its effect is to provide loading environment to tested steering wheel.It is arranged on and is loaded on steering wheel fixed ear base by gudgeon, in order to guarantee to load steering wheel and tested steering wheel central axes, the left and right, the front and back position that load steering wheel can regulate by loading position, steering wheel left and right adjustment wedge and loading steering wheel front and back position adjustment block respectively, load steering wheel output shaft and be connected with pull pressure sensor with adapter by joint flange, the connected mode of intermediate connecting part is and is threaded;
Described loading steering wheel fixed ear base is the stationary installation that loads steering wheel, it comprises two ear seats, be fixed by screws on testing table pedestal, its effect is to realize loading the fixing of steering wheel with loading coordinating of steering wheel gudgeon by it, loads like this steering wheel and can realize the adjusting of luffing angle in fixing;
Described loading steering wheel front and back position is adjusted wedge and is mounted in the wedge that loads steering wheel fixed ear base side, one side is vertical plane, opposite side is with gradient plane, the cooperation that is adjacent inclined-plane by it realizes the adjustment that loads steering wheel front and back position, and its position is to realize by adjusting the depth position of its screwing;
Position, described loading steering wheel left and right adjustment block is mounted in the adjustment block that loads steering wheel fixed ear base both sides, it comprises determines piece, motion block and adjustment screw, determining piece is connected on testing table pedestal, by change, adjust the depth position of screw and realize motion block to loading the acting force of steering wheel ear seat, thereby realize the adjustment that loads position, steering wheel left and right;
Described pull pressure sensor is commercial that chooses as required, and its function is that the acting force to loading on steering wheel and tested steering wheel is measured accurately, and its precision is higher, thereby realize accurate power, controls, and to power dispute, research has good effect simultaneously;
Described joint flange is the flange-type structure being connected with pull pressure sensor of design, has 8 through holes on it, the through hole in corresponding pull pressure sensor, and realization is connected with pull pressure sensor;
Described loading steering wheel earrings axle is to load steering wheel least significant end with the part of oscillating bearing, and it is connected with pull pressure sensor and middle inertia piece respectively, and it is the final output that loads steering wheel;
In the middle of described, inertia piece is that the middle interconnecting piece that loads steering wheel and tested steering wheel divides, its left and right sides is used for installing anti-side force angle sheave, its both sides, front and back connect respectively loading steering wheel earrings axle and tested steering wheel output shaft, its upper end is the part that connects inertia simulation unit, and it is a crucial especially connection bridgeware;
The projecting shaft that described tested steering wheel output shaft is tested steering wheel, its front end is connected with joint flange, and its function has been the output that loads steering wheel power, speed, displacement equivalent;
Described tested steering wheel is mounted in equipment tested on testing table, it is all tested equipment general names, it is fixed on testing table base by tested steering wheel installing plate, the different different installing plates of tested equipment configuration, thus make testing table be applicable to multiple tested equipment;
Described tested steering wheel installing plate is rectangular slab materials and parts; Its function is to realize the installation of tested steering wheel on testing table, has through hole on it, by screw, itself and tested steering wheel and testing table base is connected;
Described tooth bar is commercial that chooses as required, and its model is HPR-high precision tooth bar, and it is arranged on middle inertia piece by screw, coordinates with gear, and rectilinear motion is converted to rotation;
Described gear is the commercial milling gear of choosing as required, coordinates with tooth bar, and rectilinear motion is converted to rotation, thereby realizes the simulation of rudder face moment of inertia;
Described gear shaft is the circular shaft of Support Gear, and its two ends are supported by gear shaft bearing, and inertia dish is just arranged on gear the tip of the axis, is the main support axle of inertia simulation part;
Described gear shaft bearing is the parts for support teeth wheel shaft, and two rolling bearings are equipped with in its inside, and it is arranged on testing table by screw;
Described rolling bearing is the self-aligning roller bearing of choosing as required, and its function is to offset the radial imbalance force producing in load test process;
Described intermediate support is to connect with metal blank the metal construction support of making; Its function is the radial imbalance force occurring in opposing load test process, anti-side force angle sheave bottom surface directly contacts with the friction plate of its bottom, anti-side force angle sheave end face and intermediate support inside top surface have the gap of 2mm, and it is for preventing radial imbalance force and easy for installation design;
Described inertia Pan Shi garden disk-shaped structure part, its function is the simulation of moment of inertia, has large small through hole above it, can install the approximate step-less adjustment that inertia annulus or inertia piece are realized moment of inertia additional according to testing requirements;
Described anti-rotation " ten " cabinet frame is " ten " font hardware, and it is arranged between gear shaft and inertia dish, and its function is to prevent from making screw plug loosening due to the rotation of inertia dish;
Described screw plug is to be with female cylindrical metal structural member, and it is arranged on gear shaft and inertia dish outside, and its function is that inertia dish and gear shaft are connected;
Described anti-side force angle sheave is inner with self-aligning roller bearing, the outside parts with friction pulley, it be arranged in the middle of inertia piece two ends, by its with intermediate support between contact and the control of gap relational implementation to radial imbalance force;
Described loading steering wheel output shaft is the hydraulic cylinder piston rod that loads steering wheel, and its front end is connected with joint flange, and its function has been the output that loads steering wheel power, speed, displacement equivalent;
Described adapter is the screwed cylindrical metal structural members in two ends, and its function is connect pull pressure sensor and load steering wheel earrings axle, plays the effect of switching;
Described pin is cylinder axis, and its function is realize to load being connected of steering wheel earrings axle and tested steering wheel earrings axle and middle inertia piece;
Described angle sheave baffle plate is the hardware that is connected to the metal blank making of intermediate support inner side, the gap of 0.5mm is left in the outside of it and anti-side force angle sheave, its function is the radial imbalance force preventing in surface level, and has considered easy for installation so leave certain interval;
Described gear shaft supporting bearing is commercial that chooses as required, and its function is support teeth wheel shaft, and the radial force producing while resisting rack and pinion engagement;
Described loading steering wheel left and right position adjusting screw is commercial that chooses as required, and its function is to realize loading the acting force of steering wheel ear seat by changing its depth position, thereby realizes the adjustment that loads position, steering wheel left and right;
The planform of described tested steering wheel earrings axle is with loading steering wheel earrings axle.
In the present invention, by change, load the power output of steering wheel and the inertia of inertia dish, can simulate the aircraft rudder face driving suffered load of steering wheel awing and load end inertia, by testing the property indices of tested steering wheel, whether detect tested steering wheel meets the demands, this load simulation testing table can be realized the performance test to the tested steering wheel of multiple difference, and installation, debugging, test etc. are easy to operate.
Compared with prior art, the invention has the advantages that:
1, economy: the invention belongs to independent research design, its simple in structure, reasonable in design and processing and fabricating and easy accessibility, input cost is low; Not only can realize every loading tasks of conventional load simulator, and avoided using labyrinth testing table to bring expensive, there is comparatively significantly cost advantage with other type load simulator ratio;
2, safe reliability: the present invention adopts simply roof construction, has designed main body load mechanism, make base lightweight, and anti-bending strength is good; And utilize the simple physical constructions such as angle sheave effectively to avoid the generation of uneven radial force;
3, versatility: the present invention has taken into full account the difference of tested steering wheel kind, has designed the syndeton that is applicable to different tested steering wheels, and the installation, the disassembling section that load steering wheel and tested steering wheel convenient simultaneously; On testing table of the present invention, be respectively loading steering wheel and tested steering wheel the various feedback transducers such as pull pressure sensor, displacement transducer have been installed, make this testing table complete function, can be used for the test to each side such as power, speed, acceleration and positions;
4, operability: the present invention has taken into full account from being installed to the debugging requirement for this testing table operation possibility to normal test again, by simple physical construction and gap etc., realized ease-to-operate, considered simultaneously testing crew labour intensity appropriate design the height etc. of testing table;
5, accuracy: working control precision of the present invention depends primarily on the effective accuracy of sensor, based on this all the sensors of the present invention, installation form, acquisition precision, translation interface and precision etc. have all been taken into full account, the present invention simultaneously, by the accurate design to parts such as accurate ratio of gear, moment of inertia dish, inertia pieces, makes this testing table can realize comparatively exactly the approximate step-less adjustment to rudder face inertia.
Accompanying drawing explanation
Fig. 1 is that the axle that waits of the embodiment of the present invention is surveyed view;
Fig. 2 is embodiment of the present invention front elevation;
Fig. 3 is the A-A phantom view of Fig. 2;
Fig. 4 is the part-structure detailed annotation figure of Fig. 3;
Fig. 5 is the vertical view of the embodiment of the present invention;
Fig. 6 is the part-structure detailed annotation figure of Fig. 5;
Fig. 7 is the B-B cut-open view of Fig. 5;
In figure, 1. tested steering wheel, 2. tested steering wheel installing plate, 3. tested steering wheel output shaft, 4. inertia dish, 5. anti-rotation " ten " cabinet frame, 6. screw plug, 7. intermediate support, 8. load steering wheel output shaft, 9. load steering wheel front and back position and adjust wedge, 10. load steering wheel fixed ear base, 11. load steering wheel, 12. bases, 13. joint flanges, 14. pull pressure sensor, 15. adapters, 16. tested steering wheel earrings axles, 17. pins, inertia piece in the middle of 18., 19. pins, 20. load steering wheel earrings axle, 21. joint flanges, 22. pull pressure sensor, 23. adapters, 24. angle sheave baffle plates, 25. rolling bearings, 26. anti-side force angle sheaves, 27. gears, 28. gear shafts, 29. gear shaft bearings, 30. gear shaft supporting bearings, 31. tooth bars, 32. load steering wheel left and right position adjusting screw, 33. load position, steering wheel left and right adjustment block.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is further described.
Consult Fig. 1, the present invention is a kind of multi-functional load simulator stand, it comprises base 12, load steering wheel 11, load steering wheel fixed ear base 10, load steering wheel front and back position and adjust wedge 9, load position, steering wheel left and right adjustment block 33, pull pressure sensor 22, 14, joint flange 21, 13, load steering wheel output shaft 8, middle inertia piece 18, tested steering wheel earrings axle 16, tested steering wheel 1, tested steering wheel installing plate 2, tooth bar 31, gear 27, gear shaft 28, gear shaft bearing 29, rolling bearing 25, intermediate support 7, inertia dish 4, anti-rotation " ten " cabinet frame 5, screw plug 6 and anti-side force angle sheave 26, adapter 15, 23, pin 17, 19, angle sheave baffle plate 24, gear shaft supporting bearing 30 and loading steering wheel left and right position adjusting screw 32.Position annexation between them is: load steering wheel 11 and be arranged on and loaded on steering wheel fixed ear base 10 by gudgeon, load steering wheel output shaft 8 and be connected with pull pressure sensor 22 with adapter 23 by joint flange 21; Tested steering wheel 1 is threaded fixing with tested steering wheel installing plate 2, fixing to be threaded between tested steering wheel installing plate 2 and base 12; Tested steering wheel output shaft 3 is connected with pull pressure sensor 14 with adapter 15 by joint flange 13; The two ends, left and right of middle inertia piece 18 are connected by pin 19,17 with tested steering wheel earrings axle 16 with loading steering wheel earrings axle 20 respectively; An axle is respectively stretched out in the rear and front end of middle inertia piece 18, and shaft end is equipped with rolling bearing 25 and anti-side force angle sheave 26; The upper end of inertia piece 18 in the middle of tooth bar 31 is arranged on by screw; Gear 27 is fixed on gear shaft 28, and gear shaft 28 is placed on gear shaft bearing 29, and the mode that gear shaft bearing 29 connects to be threaded is arranged on intermediate support 7, and intermediate support 7 is threaded connection and is fixed on base 12; Inertia dish 4 is placed in the two ends of gear shaft 28, and use anti-rotation " ten " cabinet frame 5 fixing, and preventing that friction force when inertia dish 4 rotates from making screw plug 6 loosening, screw plug 6 is arranged on the end of gear shaft 28, for the axial restraint of inertia dish 4, and prevent from becoming flexible.
Consult Fig. 1 and 2, loading steering wheel 11 is arranged on and is loaded on steering wheel fixed ear base 10 by its cylinder body gudgeon, in order to guarantee to load steering wheel 11 and tested steering wheel 1 central axes, the front and back and the position, left and right that load steering wheel 11 can regulate by loading steering wheel front and back position adjustment wedge 9 and loading position, steering wheel left and right adjustment block 32 respectively, can load steering wheel front and back position by adjustment and adjust the front and back position that the height of wedge 9 is adjusted loading steering wheel 11, by adjustment, load steering wheel left and right position adjusting screw 32 and adjust position, the left and right adjustment block 33 that loads steering wheel 11 and the position, left and right that loads steering wheel 11, thereby guarantee to load the right alignment of steering wheel earrings axle 20 and tested steering wheel earrings axle 16.Load steering wheel output shaft 8 and be connected with pull pressure sensor 22 with adapter 23 by joint flange 21, the connected mode of intermediate connecting part is and is threaded.Wherein, the diameter of loading steering wheel output shaft 8 is 100mm.
It is fixing that tested steering wheel 1 is threaded connection mode and tested steering wheel installing plate 2, between tested steering wheel installing plate 2 and base 12, in the mode being threaded, fixes, easy to loading and unloading; Tested steering wheel output shaft 16 is connected with pull pressure sensor 22 with adapter 23 by joint flange 13, and the connected mode of intermediate connecting part is thread connection; Tested steering wheel earrings axle 16 is connected on middle inertia piece 18 by pin 17.Load steering wheel 11 the same with tested steering wheel 1 with the transition connected mode between middle inertia piece 18.So just realize tested steering wheel 1 and loaded top is connected between steering wheel 11.
Referring to Fig. 3, Fig. 4 and Fig. 7, the two ends, left and right of middle inertia piece 18 are connected by pin 19 with tested steering wheel earrings axle 16 with loading steering wheel output shaft 8 respectively, realize and load steering wheel 11 and tested steering wheel 1 top is loaded, to load the power output of steering wheel 11 as the load of tested steering wheel 1, the power output that changes loading steering wheel 11 gets final product the stressed situation of change of simulated flight device rudder face in flight course; An axle is respectively stretched out in the rear and front end of middle inertia piece 18, and shaft end is equipped with rolling bearing 25 and anti-side force guide wheel 26; Anti-side force guide wheel 26 is arranged on middle inertia piece 18 by rolling bearing 25, angle sheave baffle plate 24 has limited the position of the horizontal direction of anti-side force guide wheel 26, prevent tested steering wheel output shaft 3 axis and load steering wheel output shaft 8 axis not overlapping on horizontal level, thereby having avoided the generation of horizontal radial out-of-balance force.Wherein, rolling bearing 25 is to select self-aligning roller bearing 22313.
Referring to Fig. 4 and Fig. 7, anti-side force guide wheel 26 carries out the alignment restrictions of vertical direction in the vertical direction by friction plate, and anti-side force guide wheel 26 end faces leave 2mm space, adjusts difference in height when installing, and absorbs vibration; Left and right guide wheel carries out respectively the alignment restrictions of horizontal direction by rub resistance baffle plate, the space that 0.5mm is respectively left at two ends, left and right is adjusted and absorbs horizontal radial out-of-balance force for installing.If load steering wheel output shaft 8, produce radial imbalance force with tested steering wheel output shaft 3, not only can produce very large moment of flexure, affect stability and the accuracy of load test, and can produce very large leakage at the pilot seal place that loads steering wheel 11 and tested steering wheel 1, performance to whole loading system has a huge impact, and therefore prevents that radial imbalance force is particularly important; Adopt this structure, to loading steering wheel output shaft 8 and tested steering wheel output shaft 3 in the vertical direction and horizontal direction has all been carried out alignment restrictions, simply and effectively prevented from loading the generation of radial imbalance force on steering wheel 11 and tested steering wheel 1 projecting shaft;
Referring to Fig. 5 and Fig. 6, whether the upper end of inertia piece 18 in the middle of tooth bar 31 is threaded connection and is arranged on, can be according to needing simulated inertia to mount and dismount, easy and simple to handle; Tooth bar 31 meshes with the gear 27 of its upper end, and when bracket loading test platform is worked, tooth bar 31 Sports band moving gears 27 rotate, and then drive inertia dish 4 to rotate, thereby have realized the simulation to rudder face inertia comparatively authentic and validly.Gear 27 is fixed on gear shaft 28, and gear shaft 28 is placed on gear shaft bearing 29, and the mode that gear shaft bearing 29 connects to be threaded is arranged on intermediate support 7, and the form that intermediate support 7 is threaded connection is fixed on base 12; Wherein, tooth bar 31 is selected HPR-high precision tooth bar, and its modulus is 5, and its length is 1005mm; The modulus of gear 27 is 5, and reference diameter is 100mm.
Referring to Fig. 2, Fig. 5 and Fig. 7, inertia dish 4 is placed in the two ends of gear shaft 28, and use anti-rotation " ten " cabinet frame 5 fixing, prevent that friction force when inertia dish 4 rotates from making screw plug 6 loosening, screw plug 6 is arranged on the end of gear shaft 28, for the axial restraint of inertia dish 4, and prevent from becoming flexible.On inertia dish 4, have many large small through hole, large through-hole is to provide larger inertia in order to wait at inertia dish 4 under the condition of quality; Little inertia annulus and little inertia piece can be connected on inertia dish 4 in the mode being threaded by small through hole, thereby realize the approximate continuity simulation to load inertia;
Referring to Fig. 1, Fig. 2 and Fig. 7, the one-piece construction of base 12 adopts box-structure, thereby effectively alleviated the quality of whole testing table, the main body part of the force of base 12 is two vertical integral plates, and be aided with reinforcement, such structure has been shared the loading force of straight line loading system preferably, thereby the anti-bending strength of whole testing table is improved largely; Meanwhile, consider the comfortableness of testing crew operation etc., the body height of base 12 is designed to 1m, greatly facilitate like this operation of testing crew to testing table.
Claims (1)
1. a multi-functional load simulator stand, it is characterized in that: it comprises base, load steering wheel, load steering wheel fixed ear base, load steering wheel front and back position and adjust wedge, load position, steering wheel left and right adjustment block, pull pressure sensor, joint flange, load steering wheel earrings axle, middle inertia piece, tested steering wheel output shaft, tested steering wheel, tested steering wheel installing plate, tooth bar, gear, gear shaft, gear shaft bearing, rolling bearing, intermediate support, inertia dish, anti-rotation " ten " cabinet frame, screw plug, anti-side force angle sheave, load steering wheel output shaft, adapter, pin, angle sheave baffle plate, gear shaft supporting bearing, load steering wheel left and right position adjusting screw and tested steering wheel earrings axle, load steering wheel and be arranged on and load on steering wheel fixed ear base by its cylinder body gudgeon, load steering wheel output shaft and be connected with pull pressure sensor with adapter by joint flange, tested steering wheel is threaded fixing with tested steering wheel installing plate, fixing to be threaded between tested steering wheel installing plate and base, tested steering wheel output shaft is connected with pull pressure sensor with adapter by joint flange, the two ends, left and right of middle inertia piece are connected by pin with tested steering wheel earrings axle with loading steering wheel earrings axle respectively, an axle is respectively stretched out in the rear and front end of middle inertia piece, and shaft end is equipped with rolling bearing and anti-side force angle sheave, the upper end of inertia piece in the middle of tooth bar is arranged on by screw, gear is fixed on gear shaft, and gear shaft is placed on gear shaft bearing, and the mode that gear shaft bearing connects to be threaded is arranged on intermediate support, and intermediate support is threaded connection and is fixed on base, inertia dish is placed in the two ends of gear shaft, and uses anti-rotation " ten " cabinet frame to fix, and prevents that friction force when inertia dish rotates from making screw plug loosening, and screw plug is arranged on gear the tip of the axis, for the axial restraint of inertia dish, and prevents from becoming flexible,
The one-piece construction of described base adopts box hardware, alleviated the quality of whole testing table, the main body part of the force of base is two vertical integral plates, and be aided with reinforcement, such structure has been shared the loading force of straight line loading system preferably, thereby the anti-bending strength of whole testing table is improved largely;
Described loading steering wheel is a servo loading oil cylinder, and its structure is two rod double acting symmetrical expression hydraulic cylinders, and its effect is to provide loading environment to tested steering wheel; It is arranged on and is loaded on steering wheel fixed ear base by gudgeon, in order to guarantee to load steering wheel and tested steering wheel central axes, the left and right, the front and back position that load steering wheel can regulate by loading position, steering wheel left and right adjustment wedge and loading steering wheel front and back position adjustment block respectively, load steering wheel output shaft and be connected with pull pressure sensor with adapter by joint flange, the connected mode of intermediate connecting part is and is threaded;
Described loading steering wheel fixed ear base is the stationary installation that loads steering wheel, it comprises two ear seats, be fixed by screws on testing table pedestal, its effect is to realize loading the fixing of steering wheel with loading coordinating of steering wheel gudgeon by it, loads like this adjusting that steering wheel is realized luffing angle in fixing;
Described loading steering wheel front and back position is adjusted wedge and is mounted in the wedge that loads steering wheel fixed ear base side, one side is vertical plane, opposite side is with gradient plane, the cooperation that is adjacent inclined-plane by it realizes the adjustment that loads steering wheel front and back position, and its position is to realize by adjusting the depth position of its screwing;
Position, described loading steering wheel left and right adjustment block is mounted in the adjustment block that loads steering wheel fixed ear base both sides, it comprises determines piece, motion block and adjustment screw, determining piece is connected on testing table pedestal, by change, adjust the depth position of screw and realize motion block to loading the acting force of steering wheel ear seat, thereby realize the adjustment that loads position, steering wheel left and right;
Described pull pressure sensor is that the acting force to loading on steering wheel and tested steering wheel is measured accurately, thereby realize accurate power, controls, and to power dispute, research has good effect simultaneously;
Described joint flange is the flange-type structure being connected with pull pressure sensor of design, has 8 through holes on it, the through hole in corresponding pull pressure sensor, and realization is connected with pull pressure sensor;
Described loading steering wheel earrings axle is to load steering wheel least significant end with the part of oscillating bearing, and it is connected with pull pressure sensor and middle inertia piece respectively, and it is the final output that loads steering wheel;
In the middle of described, inertia piece is that the middle interconnecting piece that loads steering wheel and tested steering wheel divides, its left and right sides is used for installing anti-side force angle sheave, its both sides, front and back connect respectively loading steering wheel earrings axle and tested steering wheel output shaft, its upper end is the part that connects inertia simulation unit, and it is a crucial especially connection bridgeware;
The projecting shaft that described tested steering wheel output shaft is tested steering wheel, its front end is connected with joint flange, and its function has been the output that loads steering wheel power, speed, displacement equivalent;
Described tested steering wheel is mounted in equipment tested on testing table, it is all tested equipment general names, it is fixed on testing table base by tested steering wheel installing plate, the different different installing plates of tested equipment configuration, thus make testing table be applicable to multiple tested equipment;
Described tested steering wheel installing plate is rectangular slab materials and parts; Its function is to realize the installation of tested steering wheel on testing table, has through hole on it, by screw, itself and tested steering wheel and testing table base is connected;
Described tooth bar is that model is HPR-high precision tooth bar, and it is arranged on middle inertia piece by screw, coordinates with gear, and rectilinear motion is converted to rotation;
Described gear is milling gear, coordinates with tooth bar, and rectilinear motion is converted to rotation, thereby realizes the simulation of rudder face moment of inertia;
Described gear shaft is the circular shaft of Support Gear, and its two ends are supported by gear shaft bearing, and inertia dish is just arranged on gear the tip of the axis, is the main support axle of inertia simulation part;
Described gear shaft bearing is the parts for support teeth wheel shaft, and two rolling bearings are equipped with in its inside, and it is arranged on testing table by screw;
Described rolling bearing is self-aligning roller bearing, and its function is to offset the radial imbalance force producing in load test process;
Described intermediate support is to connect with metal blank the metal construction support of making; Its function is the radial imbalance force occurring in opposing load test process, anti-side force angle sheave bottom surface directly contacts with the friction plate of its bottom, anti-side force angle sheave end face and intermediate support inside top surface have the gap of 2mm, and it is for preventing radial imbalance force and easy for installation design;
Described inertia Pan Shi garden disk-shaped structure part, its function is the simulation of moment of inertia, has large small through hole above it, according to testing requirements, installs the approximate step-less adjustment that inertia annulus or inertia piece are realized moment of inertia additional;
Described anti-rotation " ten " cabinet frame is " ten " font hardware, and it is arranged between gear shaft and inertia dish, and its function is to prevent from making screw plug loosening due to the rotation of inertia dish;
Described screw plug is to be with female cylindrical metal structural member, and it is arranged on gear shaft and inertia dish outside, and its function is that inertia dish and gear shaft are connected;
Described anti-side force angle sheave is inner with self-aligning roller bearing, the outside parts with friction pulley, it be arranged in the middle of inertia piece two ends, by its with intermediate support between contact and the control of gap relational implementation to radial imbalance force;
Described loading steering wheel output shaft is the hydraulic cylinder piston rod that loads steering wheel, and its front end is connected with joint flange, and its function has been the output that loads steering wheel power, speed, displacement equivalent;
Described adapter is the screwed cylindrical metal structural members in two ends, and its function is connect pull pressure sensor and load steering wheel earrings axle, plays the effect of switching;
Described pin is cylinder axis, and its function is realize to load being connected of steering wheel earrings axle and tested steering wheel earrings axle and middle inertia piece;
Described angle sheave baffle plate is the hardware that is welded on the metal blank making of intermediate support inner side, the gap of 0.5mm is left in the outside of it and anti-side force angle sheave, its function is the radial imbalance force preventing in surface level, and has considered easy for installation so leave certain interval;
Described gear shaft supporting bearing is support teeth wheel shaft, and the radial force producing while resisting rack and pinion engagement;
Described loading steering wheel left and right position adjusting screw is to realize loading the acting force of steering wheel ear seat by changing its depth position, thereby realizes the adjustment that loads position, steering wheel left and right;
The planform of described tested steering wheel earrings axle is with loading steering wheel earrings axle.
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| CN105632276B (en) * | 2016-02-26 | 2018-04-17 | 南京航空航天大学 | A kind of steering engine load simulator for not producing Surplus Moment |
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| CN107167329A (en) * | 2017-06-07 | 2017-09-15 | 北京航空航天大学 | A kind of air force load testing machine of unsymmetrical flight device rudder face |
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| CN111390874A (en) * | 2020-03-30 | 2020-07-10 | 北京海益同展信息科技有限公司 | Exoskeleton structure |
| CN112082788A (en) * | 2020-08-03 | 2020-12-15 | 北京自动化控制设备研究所 | Variable inertia follow-up large-load simulation test device of thrust vector servo mechanism |
| CN112113783A (en) * | 2020-09-21 | 2020-12-22 | 四川航天烽火伺服控制技术有限公司 | Testing device for steering engine |
| CN112526268A (en) * | 2020-11-30 | 2021-03-19 | 中国运载火箭技术研究院 | Multi-compatibility simple steering engine loading test tool and test method |
| CN117007301A (en) * | 2023-10-08 | 2023-11-07 | 航天江南集团有限公司 | High-power steering engine loading device |
| CN117007301B (en) * | 2023-10-08 | 2023-12-12 | 航天江南集团有限公司 | High-power steering engine loading device |
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